
/* font chữ bài viết */
@font-face {
  font-family: 'SegoeUI';
  src: url('../../fonts/SVN-Segoe-UI.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
/* font chữ tiêu đề */
@font-face {
  font-family: 'SpaceGrotesk';
  src: url('../../fonts/SpaceGrotesk-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
/* font chữ logo */
@font-face {
  font-family: 'Nunito';
  src: url('../../fonts/Nunito-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
      --sky: #b9dcf2;
      --sky-deep: #82bddc;
      --ink: #17243a;
      --muted: #52657d;
      --blue: #2b4a91;
      --blue-dark: #243b82;
      --green: #8bd35b;
      --green-dark: #1f8c52;
      --white: #ffffff;
      --soft-white: rgba(255, 255, 255, 0.78);
      --line: rgba(36, 59, 130, 0.14);
      --shadow: 0 24px 70px rgba(38, 81, 126, 0.18);
      --radius: 28px;
      --container: 1180px;
    }

    * { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}

	body {
	  margin: 0;
	  font-family: 'SegoeUI', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	  color: var(--ink);
	  background: #f6fbff;
	}

    img, svg { max-width: 100%; display: block; }

    a { color: inherit; text-decoration: none; }

    button, input, textarea, select {
      font: inherit;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .section {
      padding: 32px 0;
      position: relative;
    }

    .section-title {
      max-width: 780px;
      margin: 0 auto 44px;
      text-align: center;
    }

    .section-title .label,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 14px;
      color: var(--green-dark);
      text-transform: uppercase;
      letter-spacing: 0.16em;
      font-size: 20px;
      font-weight: 800;
    }

    .section-title h2,
    .hero h1 {
      margin: 0;
      color: var(--green-dark);
      letter-spacing: -0.04em;
      line-height: 1.04;
    }

.section-title h2 {
      font-family: 'SpaceGrotesk', sans-serif;
	  font-size: clamp(17px, 2vw, 24px);
	  font-weight: 600;
	  letter-spacing: 0.09em;
	  text-transform: uppercase;
	  text-align: center;
    }

    .hero-title-main,
    .section-title h2.about-brand-title,
    #san-pham .section-title h2,
    #process .section-title h2,
    #estimate .section-title h2,
    .partners .section-title h2,
    #tin-tuc .section-title h2 {
      color: var(--blue-dark);
    }
	
	.section-title h2.about-brand-title {
	  font-family: 'Nunito', sans-serif;
	  font-weight: 700;
	  text-transform: uppercase;
	  letter-spacing: 0.035em;
	  font-size: clamp(34px, 5vw, 58px);
	}

    .section-title p {
      max-width: 720px;
	  margin: 18px auto 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.75;
	  text-align: center;
	  padding: 0 20px;
    }

    .site-header {
      position: fixed;
      z-index: 50;
      top: 0;
      left: 0;
      right: 0;
      background: rgba(185, 220, 242, 0.76);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    }

    .nav-wrap {
      height: 86px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
	  position: relative;
    }

	.brand-logo {
	  width: auto;
	  height: 78px;
	  max-width: 280px;
	  object-fit: contain;
	  flex: 0 0 auto;
	  display: block;
	}

    .brand-mark {
      width: 50px;
      height: 50px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--green), #d8ff92);
      box-shadow: 0 14px 30px rgba(67, 161, 82, 0.25);
      position: relative;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: '';
      position: absolute;
      background: var(--blue-dark);
      opacity: 0.9;
    }

    .brand-mark::before {
      width: 24px;
      height: 4px;
      border-radius: 10px;
      left: 10px;
      top: 20px;
      transform: rotate(-28deg);
    }

    .brand-mark::after {
      width: 4px;
      height: 24px;
      border-radius: 10px;
      left: 20px;
      top: 10px;
      transform: rotate(-28deg);
    }

	.nav-links {
	  position: absolute;
	  left: 50%;
	  transform: translateX(-50%);
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  gap: clamp(16px, 3vw, 36px);
	  font-size: 16px;
	  font-weight: 700;
	  white-space: nowrap;
	}

    .nav-links a {
      position: relative;
      padding: 12px 0;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      height: 3px;
      left: 0;
      right: 100%;
      bottom: 4px;
      border-radius: 999px;
      background: var(--green-dark);
      transition: right 0.25s ease;
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      right: 0;
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border: 0;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--blue-dark);
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      margin: 5px auto;
      background: currentColor;
      border-radius: 999px;
    }

.hero {
  width: 100%;
  height: 620px;
  min-height: auto;
  padding-top: 118px;
  overflow: hidden;
  background-image: url('../../images/background1.png');
  background-repeat: no-repeat;
  background-position: right top;
  background-size: cover;
}

.hero-grid {
  position: relative;
  z-index: 3;
  height: 100%;
  min-height: auto;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 38px;
  padding-bottom: 60px;
}

    .hero-copy {
      max-width: 720px;
      padding-top: 24px;
    }

.hero .eyebrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 0 20px;
  padding: 9px 18px;
  border-radius: 999px;
  overflow: hidden;

  color: var(--green-dark);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(240, 248, 255, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow:
    0 10px 24px rgba(31, 140, 82, 0.10),
    0 4px 12px rgba(36, 59, 130, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);

  font-family: 'SegoeUI', sans-serif;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

	.hero h1 {
	  font-family: 'SpaceGrotesk', sans-serif;
	  font-weight: 600;
	  font-size: 52px;
	}

	.hero-title-main {
	  display: inline-block;
	  margin-left: -4px;
	}

	.hero-title-brand {
	  display: block;
	  font-family: 'Nunito', sans-serif;
	  font-weight: 700;
	  color: rgba(255, 255, 255, 0.9);
	  text-transform: uppercase;
	  letter-spacing: 0.035em;
	  font-size: 70px;
	  margin-top: 8px;
	  margin-left: -5px;
	  text-shadow: 0 16px 32px rgba(37, 72, 131, 0.12);
	}


	.hero-description {
	  margin: 28px 0 0 0px;
	  max-width: 490px;
	  color: #eff3f9;
	  font-family: 'SegoeUI', sans-serif;
	  font-size: 15px;
	  line-height: 1.72;
	  font-weight: 500;
	}

	.hero-actions {
	  display: flex;
	  flex-wrap: wrap;
	  gap: 18px;
	  margin-top: 34px;
	}

	.hero-actions .btn {
	  font-family: 'SpaceGrotesk', sans-serif;
	  font-weight: 600;
	}

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 54px;
      padding: 14px 26px;
      border: 0;
      border-radius: 999px;
      cursor: pointer;
      font-weight: 900;
      letter-spacing: 0.01em;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn:hover { transform: translateY(-2px); }

    .btn:disabled {
      opacity: 0.65;
      cursor: not-allowed;
      transform: none;
    }

    .btn:disabled:hover { transform: none; }

    .visually-hidden {
      position: absolute !important;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      white-space: nowrap;
      border: 0;
    }

    .contact-item[aria-disabled="true"],
    .floating-contact a[aria-disabled="true"] {
      opacity: 0.6;
      pointer-events: none;
    }

	@property --shine-angle {
	  syntax: '<angle>';
	  initial-value: 0deg;
	  inherits: false;
	}

	.btn-primary.btn-shine {
	  color: #fff;
	  border: 2px solid transparent;  
	  background:
		linear-gradient(135deg, var(--green), var(--green-dark)) padding-box,
		conic-gradient(
		  from var(--shine-angle),
		  transparent 0deg,
		  transparent 230deg,
		  rgba(255, 255, 255, 0.95) 270deg,
		  #d8ff92 295deg,
		  transparent 330deg,
		  transparent 360deg
		) border-box;
	  animation: shineBorder 2.4s linear infinite;
	  box-shadow:
		0 18px 36px rgba(40, 142, 72, 0.26),
		0 0 18px rgba(139, 211, 91, 0.45);
	}

	@keyframes shineBorder {
	  to {
		--shine-angle: 360deg;
	  }
	}

@media (prefers-reduced-motion: reduce) {
  .btn-primary.btn-shine,
  .trust-item,
  .trust-item::before,
  .trust-icon img {
    animation: none;
  }
}

    .btn-secondary {
      color: var(--blue-dark);
      background: rgba(255, 255, 255, 0.64);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55);
    }

.trust-section {
  position: relative;
  z-index: 4;
  padding: 34px 0 34px;
  background: #f6fbff;
}

.hero-trust-title {
  position: static;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 0 0 22px;
  color: #1e5aa8;
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
}

.hero-trust-title::before,
.hero-trust-title::after {
  content: '';
  width: 72px;
  height: 1px;
  background: rgba(30, 90, 168, 0.35);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(210px, 235px));
  justify-content: center;
  gap: 16px;
  position: static;
  margin-top: 40px;
}

.trust-item {
  min-height: auto;
  padding: 14px 18px;
  border-radius: 24px;

  background: linear-gradient(145deg, rgba(255,255,255,0.82), rgba(238,248,255,0.72));
  border: 0.8px solid #ffffff;
  box-shadow:
    0 14px 32px rgba(37, 82, 130, 0.10),
    inset 0 0 0 1px rgba(255,255,255,0.55);

  position: relative;
  overflow: hidden;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  font-family: 'SegoeUI', sans-serif;
  font-weight: 700;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: 16px;
  line-height: 1.25;
  letter-spacing: 0.04em;

transition:
  transform 0.25s ease,
  box-shadow 0.25s ease,
  border-color 0.25s ease;

animation: trustCardAuto 3.2s ease-in-out infinite;
}

@keyframes trustCardAuto {
  0%, 100% {
    transform: translateY(0);
    border-color: #ffffff;
    box-shadow:
      0 14px 32px rgba(37, 82, 130, 0.10),
      inset 0 0 0 1px rgba(255,255,255,0.55);
  }

  45% {
    transform: translateY(-4px);
    border-color: #1f8c52;
    box-shadow:
      0 20px 46px rgba(37, 82, 130, 0.16),
      0 0 18px rgba(31, 140, 82, 0.22),
      inset 0 0 0 1px rgba(255,255,255,0.75);
  }
}

.trust-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  z-index: 0;

background: linear-gradient(
  120deg,
  transparent 0%,
  rgba(173, 216, 230, 0.10) 25%,
  rgba(186, 230, 245, 0.15) 48%,
  rgba(140, 205, 230, 0.15) 58%,
  rgba(173, 216, 230, 0.10) 72%,
  transparent 100%
);

transform: skewX(-18deg);
animation: trustSweepAuto 3.2s ease-in-out infinite;
}

@keyframes trustSweepAuto {
  0% {
    left: -120%;
  }

  45% {
    left: 130%;
  }

  100% {
    left: 130%;
  }
}

.trust-item > * {
  position: relative;
  z-index: 1;
}

.trust-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 5px;
}

.trust-main {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.08;
  color: var(--blue-dark);
  -webkit-text-stroke: 0;
}

.trust-sub {
  color: #134E4A;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.12;
  text-align: center;
  letter-spacing: 0.08em;
}

.trust-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: transparent;
}

.trust-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;

  filter: brightness(0) saturate(100%) invert(43%) sepia(36%) saturate(900%) hue-rotate(84deg) brightness(95%) contrast(90%);
transition: transform 0.25s ease, filter 0.25s ease;
animation: trustIconAuto 3.2s ease-in-out infinite;
}

@keyframes trustIconAuto {
  0%, 100% {
    transform: scale(1) translateY(0);
  }

  45% {
    transform: scale(1.08) translateY(-2px);
  }
}

    .card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .feature-card,
    .service-card,
    .product-card,
    .news-card,
    .brand-card,
    .step-card,
    .contact-card,
    .estimate-card {
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .feature-card {
      padding: 28px;
      min-height: 210px;
    }

    .feature-card .icon,
    .service-card .icon,
    .product-card .icon {
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      margin-bottom: 20px;
      border-radius: 22px;
      background: #eaffd6;
      font-size: 28px;
    }
	
	.feature-card .icon img,
	.service-card .icon img,
	.product-card .icon img {
	  width: 50px;
	  height: 50px;
	  object-fit: contain;
	  display: block;
	}

    .feature-card h3,
    .service-card h3,
    .product-card h3,
    .news-card h3 {
      margin: 0 0 12px;
      color: var(--blue-dark);
      font-size: 21px;
      line-height: 1.25;
    }

    .feature-card p,
    .service-card p,
    .product-card p,
    .news-card p,
    .step-card p,
    .contact-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
    }
	
.feature-premium-grid {
  gap: 22px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 245px;
  padding: 32px 24px 28px;
  border-radius: 30px;
  text-align: center;

  background:
    linear-gradient(160deg, rgba(255,255,255,0.96), rgba(238,248,255,0.82));
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow:
    0 24px 58px rgba(36, 59, 130, 0.13),
    inset 0 0 0 1px rgba(255,255,255,0.62);

  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(139, 211, 91, 0.22), transparent 34%),
    radial-gradient(circle at bottom right, rgba(43, 74, 145, 0.14), transparent 36%);
  opacity: 0.85;
  pointer-events: none;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,0.55),
    transparent
  );
  transform: skewX(-18deg);
  transition: left 0.65s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(31, 140, 82, 0.28);
  box-shadow:
    0 32px 70px rgba(36, 59, 130, 0.18),
    0 0 24px rgba(139, 211, 91, 0.22),
    inset 0 0 0 1px rgba(255,255,255,0.75);
}

.feature-card:hover::after {
  left: 130%;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-card .feature-icon {
  width: 74px;
  height: 74px;
  margin: 0 auto 24px;
  border-radius: 24px;

  background:
    linear-gradient(145deg, #ffffff, #eaf7ff);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow:
    0 16px 34px rgba(36, 59, 130, 0.13),
    inset 0 0 0 1px rgba(139, 211, 91, 0.16);
}

.feature-card .feature-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(31%) sepia(42%) saturate(1041%) hue-rotate(88deg) brightness(92%) contrast(92%);
  transition: transform 0.28s ease, filter 0.28s ease;
}

.feature-card:hover .feature-icon img {
  transform: scale(1.08) translateY(-2px);
  filter: brightness(0) saturate(100%) invert(20%) sepia(58%) saturate(1392%) hue-rotate(207deg) brightness(92%) contrast(91%);
}

.feature-card h3 {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.feature-card p {
  max-width: 220px;
  margin: 0 auto;
  color: #52657d;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 500;
}

    .services {
      background:
        linear-gradient(180deg, #f6fbff, #eff9ff);
    }

.two-col {
  display: grid;
  grid-template-columns: 3.05fr 0.95fr;
  gap: 28px;
  align-items: stretch;
}

.about-service-row {
  margin-top: 48px;
}


.intro-panel {
  border-radius: calc(var(--radius) + 10px);
  padding: clamp(22px, 3vw, 28px);
  background: var(--sky);
  color: var(--blue-dark);
  border: 1px solid rgba(255,255,255,0.86);
  box-shadow:
    0 24px 58px rgba(38, 81, 126, 0.14),
    inset 0 0 0 1px rgba(255,255,255,0.58);
  position: relative;
  overflow: hidden;
}

.intro-panel::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius) + 9px);
  border: 1px solid rgba(255,255,255,0.18);
  pointer-events: none;
}

.intro-panel > * {
  position: relative;
  z-index: 1;
}

.intro-panel .service-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 0 14px;
  padding: 9px 18px;
  border-radius: 999px;
  overflow: hidden;

  color: var(--green-dark);
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(240,248,255,0.72));
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow:
    0 10px 24px rgba(31, 140, 82, 0.10),
    0 4px 12px rgba(36, 59, 130, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.95);

  font-family: 'SegoeUI', sans-serif;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.intro-panel .service-title {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 10px 24px rgba(0,0,0,0.16);
}

.solar-solution-grid {
  --solar-button-width: 220px;
  --solar-button-gap: 18px;
  --solar-frame-width: calc((var(--solar-button-width) * 3) + (var(--solar-button-gap) * 2));

  display: grid;
  grid-template-columns: repeat(3, var(--solar-button-width));
  justify-content: center;
  align-items: center;
  gap: var(--solar-button-gap);

  width: var(--solar-frame-width);
  max-width: 100%;
  margin: 0px auto 0;
}

	.solar-solution-item {
	  position: relative;
	  isolation: isolate;
min-height: 64px;
width: var(--solar-button-width);
min-width: 0;
padding: 12px 24px;
	  border-radius: 18px;
	  border: 1px solid rgba(255, 255, 255, 0.26);
	  background:
		linear-gradient(145deg, rgba(255,255,255,0.16), rgba(255,255,255,0.08));
	  color: #52657d;
	  font-family: 'SpaceGrotesk', sans-serif;
	  font-size: 15px;
	  font-weight: 600;
	  line-height: 1.45;
	  text-align: center;
	  cursor: pointer;
	  overflow: hidden;

	  display: flex;
	  align-items: center;
	  justify-content: center;

	  box-shadow:
		0 16px 34px rgba(0, 0, 0, 0.12),
		inset 0 0 0 1px rgba(255, 255, 255, 0.08);

	  transition:
		transform 0.28s ease,
		box-shadow 0.28s ease,
		border-color 0.28s ease,
		background 0.28s ease;
	}

	.solar-solution-item::before {
	  content: '';
	  position: absolute;
	  inset: 0;
	  z-index: -1;
	  background:
		linear-gradient(
		  120deg,
		  transparent 0%,
		  rgba(255,255,255,0.22) 42%,
		  transparent 70%
		);
	  transform: translateX(-120%) skewX(-18deg);
	  transition: transform 0.65s ease;
	}

	.solar-solution-item:hover {
	  transform: translateY(-3px);
	  border-color: rgba(255,255,255,0.48);
	  box-shadow:
		0 22px 44px rgba(0, 0, 0, 0.16),
		0 0 20px rgba(139, 211, 91, 0.16),
		inset 0 0 0 1px rgba(255,255,255,0.16);
	}

	.solar-solution-item:hover::before {
	  transform: translateX(120%) skewX(-18deg);
	}

	.solar-solution-item.is-active {
	  border: 1.5px solid transparent;
	  background:
		linear-gradient(135deg, #2b4a91, #1f8c52) padding-box,
		conic-gradient(
		  from var(--shine-angle),
		  transparent 0deg,
		  transparent 215deg,
		  rgba(255,255,255,0.95) 255deg,
		  #d8ff92 292deg,
		  transparent 330deg,
		  transparent 360deg
		) border-box;
	  color: #ffffff;
	  transform: translateY(-4px);
	  animation: shineBorder 2.8s linear infinite;
	  box-shadow:
		0 24px 54px rgba(0, 0, 0, 0.18),
		0 0 24px rgba(139, 211, 91, 0.42),
		inset 0 0 0 1px rgba(255,255,255,0.22);
	}

	.solar-solution-item.is-active::before {
	  transform: translateX(120%) skewX(-18deg);
	}

	.solar-solution-item:focus-visible {
	  outline: 3px solid rgba(216,255,146,0.72);
	  outline-offset: 3px;
	}

/* Khung ảnh dưới 3 loại hệ thống điện mặt trời */
.solar-system-frame {
  margin: 18px auto 0;

  /* Chiều ngang bằng đúng hàng 3 nút phía trên */
  width: calc((220px * 3) + (18px * 2));
  max-width: 100%;

  /* Chiều cao tự động theo chiều ngang */
  aspect-ratio: 12249 / 7780;
  padding: 0;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.22), rgba(255,255,255,0.08));
  box-shadow:
    0 26px 62px rgba(8, 25, 60, 0.22),
    inset 0 0 0 1px rgba(255,255,255,0.12);

  display: flex;
  align-items: center;
  justify-content: center;

  position: relative;
  overflow: hidden;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.solar-system-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.12), transparent 24%),
    radial-gradient(circle at 12% 12%, rgba(255,255,255,0.20), transparent 26%);
}

.solar-system-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition:
    opacity 0.28s ease,
    transform 0.45s ease,
    filter 0.45s ease;
}

.solar-system-frame img {
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}

	.service-list {
	  display: grid;
	  grid-template-columns: 1fr;
	  gap: 18px;
	}

    .service-card,
    .product-card {
      padding: 28px;
    }

.product-split-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
  margin-top: 32px;
}

/* Thanh Tab chọn dọc */
.product-tabs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: static;
  width: 220px; 
  flex-shrink: 0;
}

/* Khung chứa hàng tiêu đề Danh mục sản phẩm */
.product-menu-header {
  display: flex;
  align-items: center;
  gap: 10px;                  /* Khoảng cách giữa icon và chữ */
  padding: 10px 4px;          /* Khoảng cách đệm xung quanh */
  margin-bottom: 8px;         /* Tạo khoảng cách với nút Tấm pin phía dưới */
  border-bottom: 2px solid var(--line); /* Đường gạch chân mảnh */
}

/* Định dạng chữ "Danh mục sản phẩm" */
.product-menu-header span {
  font-family: 'SpaceGrotesk', sans-serif;
  font-weight: 900;
  font-size: 16px;            
  color: var(--blue-dark);
  text-transform: uppercase;  /* Viết hoa chữ */
  letter-spacing: 0.02em;
}

/* Định dạng Icon của tiêu đề danh mục */
.product-menu-header .menu-header-icon {
  width: 30px;                
  height: 30px;               
  object-fit: contain;
  /* Bộ lọc giúp icon chuyển sang màu xanh đậm đồng bộ với màu chữ */
  filter: brightness(0) saturate(100%) invert(20%) sepia(58%) saturate(1392%) hue-rotate(207deg) brightness(92%) contrast(91%);
}

/* Ẩn hàng tiêu đề này trên điện thoại vì thanh menu sẽ chuyển sang dạng trượt ngang */
@media (max-width: 780px) {
  .product-menu-header {
    display: none;
  }
}

/* Xử lý ẩn các nút tab sản phẩm khi nhận class từ JavaScript */
.product-tab-btn.hide-tab {
  display: none !important;
}

.product-tab-btn {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  padding: 12px 16px;
  border-radius: 16px;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  letter-spacing: 0.03em;
  font-weight: 600;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(38, 81, 126, 0.04);
}

/* 1. Khi di chuột qua nút thông thường: chữ và viền đổi sang màu xanh lá thương hiệu */
.product-tab-btn:hover {
  background: #ffffff;
  transform: translateX(4px);
  border-color: var(--green-dark);
  color: var(--green-dark);
}

/* 2. Khi tab được kích hoạt hẳn: nền biến thành màu xanh đậm, chữ và icon chuyển sang màu trắng */
.product-tab-btn.is-active {
  background: var(--blue-dark);
  color: #ffffff;
  border-color: var(--blue-dark);
  box-shadow: 0 10px 24px rgba(36, 59, 130, 0.16);
}

.product-panes {
  width: 100%;
}

.product-pane {
  display: none;
}

.product-pane.is-active {
  display: block;
  animation: fadePaneIn 0.4s ease forwards;
}

@keyframes fadePaneIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

/* Thẻ con hiển thị chi tiết sản phẩm */
.product-item-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.product-item-card:hover {
  transform: translateY(-5px);
  border-color: var(--green);
}

/* Khung chứa ảnh sản phẩm ở phía trên */
.product-img-box {
  width: 100%;
  height: 260px; /* Điều chỉnh chiều cao ảnh cho cân đối với khung */
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 16px;
  background: #ffffff;
  display: block; /* Chuyển từ dạng grid/icon sang hiển thị khối ảnh */
}

/* Định dạng hình ảnh tự động co giãn chuẩn tỷ lệ bao phủ */
.product-img-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.3s ease;
}

/* Hiệu ứng phóng to nhẹ hình ảnh khi rê chuột vào thẻ sản phẩm */
.product-item-card:hover .product-img-box img {
  transform: scale(1.05);
}

@media (max-width: 900px) {
  .product-img-box {
    height: clamp(205px, 30vw, 230px);
    margin-bottom: 14px;
  }
}

.product-item-card h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.product-item-card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  flex-grow: 1;
}

.product-services {
  margin-top: 58px;
}

.product-services__heading {
  max-width: 780px;
  margin: 0 auto 44px;
  text-align: center;
}

.product-services__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.75;
  text-align: center;
  padding: 0 20px;
}

.product-services__heading h2 {
  max-width: 900px;
  margin: 0 auto;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-align: center;
}

.product-services__heading p:last-child {
  max-width: 720px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  text-align: center;
  padding: 0 20px;
}

.product-services-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  align-items: stretch;
}

.product-service-item {
  position: relative;
  min-height: 330px;
  padding: 48px 24px 32px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 255, 0.92));
  border: 1px solid rgba(36, 59, 130, 0.12);
  box-shadow:
    0 22px 52px rgba(38, 81, 126, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
  text-align: center;
}

.product-service-icon {
  width: 150px;
  height: 150px;
  display: grid;
  place-items: center;
  margin: 0 auto 28px;
  background: transparent;
  border: 0;
}

.product-service-icon img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  filter: none;
}

.product-service-item h3 {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.product-service-item p {
  max-width: 220px;
  margin: 0 auto;
  color: #52657d;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 500;
}

.product-services-cta {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: 28px;
  margin-top: 24px;
  padding: 20px 38px;
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(234, 255, 214, 0.52), rgba(255, 255, 255, 0.82));
  border: 1px solid rgba(31, 140, 82, 0.12);
  box-shadow: 0 18px 42px rgba(38, 81, 126, 0.08);
}

.product-services-cta__visual {
  display: grid;
  place-items: center;
  min-height: 120px;
}

.product-services-cta__visual img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: none;
  transform: scale(2.5);
  transform-origin: center;
}

.product-services-cta__content {
  text-align: center;
}

.product-services-cta__content p {
  margin: 0;
  color: var(--blue-dark);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
}

.product-services-cta__content strong {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.3;
}

.product-services-cta__button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 16px;
  padding: 12px 34px;
  border-radius: 12px;
  color: #ffffff;
  background:
    linear-gradient(145deg, #24a862, var(--green-dark));
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 17px;
  font-weight: 600;
  box-shadow:
    0 14px 28px rgba(31, 140, 82, 0.20),
    0 0 0 0 rgba(31, 140, 82, 0.34);
  animation: productServicesButtonPulse 2.2s ease-in-out infinite;
  transition:
    box-shadow 0.24s ease,
    transform 0.24s ease;
}

.product-services-cta__button::after {
  content: '';
  position: absolute;
  inset: -35% auto -35% -55%;
  z-index: 0;
  width: 42%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent,
    rgba(255, 255, 255, 0.72),
    transparent
  );
  transform: translateX(-80%) skewX(-18deg);
  animation: productServicesButtonShine 2.6s ease-in-out infinite;
}

.product-services-cta__button span {
  position: relative;
  z-index: 1;
  display: inline-block;
  animation: productServicesButtonTextMove 1.7s ease-in-out infinite;
}

.product-services-cta__button:hover,
.product-services-cta__button:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 18px 34px rgba(31, 140, 82, 0.28),
    0 0 0 7px rgba(31, 140, 82, 0.10);
}

@keyframes productServicesButtonPulse {
  0%,
  100% {
    box-shadow:
      0 14px 28px rgba(31, 140, 82, 0.20),
      0 0 0 0 rgba(31, 140, 82, 0.28);
  }

  48% {
    box-shadow:
      0 18px 36px rgba(31, 140, 82, 0.30),
      0 0 0 9px rgba(31, 140, 82, 0);
  }
}

@keyframes productServicesButtonTextMove {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }
}

@keyframes productServicesButtonShine {
  0%,
  38% {
    transform: translateX(-80%) skewX(-18deg);
  }

  70%,
  100% {
    transform: translateX(420%) skewX(-18deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-services-cta__button,
  .product-services-cta__button::after,
  .product-services-cta__button span {
    animation: none;
  }
}

.product-services-benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(36, 59, 130, 0.10);
  box-shadow: 0 16px 34px rgba(38, 81, 126, 0.08);
}

.product-services-benefit {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 0 20px;
}

.product-services-benefit + .product-services-benefit {
  border-left: 1px solid rgba(36, 59, 130, 0.16);
}

.product-services-benefit img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  filter: none;
}

.product-services-benefit strong {
  display: block;
  color: var(--green-dark);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.25;
}

.product-services-benefit span {
  display: block;
  margin-top: 3px;
  color: #52657d;
  font-family: 'SegoeUI', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .product-services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-services-cta,
  .product-services-benefits {
    grid-template-columns: 1fr;
  }

  .product-services-cta {
    text-align: center;
  }

  .product-services-benefit {
    grid-template-columns: 60px 1fr;
    padding: 14px 8px;
  }

  .product-services-benefit + .product-services-benefit {
    border-left: 0;
    border-top: 1px solid rgba(36, 59, 130, 0.12);
  }
}

@media (max-width: 780px) {
  .product-container-box {
    padding: 18px;
  }

  .product-services {
    margin-top: 34px;
  }

  .product-services-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-service-item {
    min-height: auto;
    padding: 42px 20px 24px;
  }

  .product-service-icon {
    width: 128px;
    height: 128px;
    margin-bottom: 20px;
  }

  .product-service-icon img {
    width: 132px;
    height: 132px;
  }

  .product-services__heading h2 {
    font-size: clamp(17px, 2vw, 24px);
  }

  .product-services__heading p:last-child {
    font-size: 16px;
  }

  .product-services-cta {
    padding: 18px;
    border-radius: 22px;
  }

  .product-services-cta__visual {
    min-height: 80px;
  }

  .product-services-cta__visual img {
    width: 76px;
    height: 76px;
  }

  .product-services-cta__content p,
  .product-services-cta__content strong {
    font-size: 19px;
  }

  .product-services-benefits {
    padding: 8px 16px;
  }

  .product-services-benefit {
    grid-template-columns: 60px 1fr;
  }

  .product-split-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .product-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    overflow: visible;
    position: static;
    width: 100%;
    max-width: 100%;
    padding-bottom: 0;
    white-space: normal;
  }
  .product-tab-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
    padding: 9px 4px;
    font-size: clamp(9px, 2.45vw, 10.5px);
    line-height: 1.15;
    letter-spacing: 0;
    text-align: center;
    white-space: nowrap;
  }
  .product-tab-btn .tab-icon {
    display: none;
  }
  .product-tab-btn:hover {
    transform: none;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .product-item-card {
    min-height: auto;
    padding: 10px;
    border-radius: 18px;
  }

  .product-img-box {
    height: clamp(118px, 35vw, 145px);
    margin-bottom: 8px;
    border-radius: 12px;
  }

  .product-item-card h3 {
    margin-bottom: 0;
    font-size: 12px;
    line-height: 1.25;
  }
}

    .process {
      background: var(--sky);
      overflow: hidden;
    }

    .process-line {
      --line-y: 50%;
      position: relative;
      display: grid;
      grid-template-columns: repeat(6, minmax(120px, 1fr));
      align-items: center;
      min-height: 255px;
      padding: 18px 22px;
      border: 0;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
      overflow: visible;
    }

    .process-line::before {
      content: '';
      position: absolute;
      z-index: 0;
      left: 26px;
      right: 26px;
      top: var(--line-y);
      height: 3px;
      border-radius: 999px;
      transform: translateY(-50%);
      background: var(--blue-dark);
      box-shadow: none;
    }

    .process-line::after {
      content: '';
      position: absolute;
      z-index: 1;
      left: 15px;
      right: 15px;
      top: var(--line-y);
      height: 12px;
      transform: translateY(-50%);
      pointer-events: none;
      background:
        radial-gradient(circle at left center, var(--blue-dark) 0 6px, transparent 7px),
        radial-gradient(circle at right center, var(--blue-dark) 0 6px, transparent 7px);
      filter: none;
    }

    .process-step {
      --connector-length: 42px;
      --connector-dot: 14px;
      --step-color: #56b340;
      --step-deep: #319631;
      --step-soft: rgba(86, 179, 64, 0.42);
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-rows: 68px 84px 68px;
      align-items: center;
      justify-items: center;
      min-height: 220px;
      padding: 0 8px;
      background: transparent;
      border: 0;
      border-radius: 0;
      box-shadow: none;
      text-align: center;
    }

    .process-step::before {
      display: none;
    }

    .process-step.is-top::before {
      top: 20px;
    }

    .process-step.is-bottom::before {
      bottom: 20px;
    }

    .process-step h3 {
      --title-offset-y: 0px;
      margin: 0;
      color: var(--green-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(14px, 1.15vw, 18px);
      font-weight: 600;
      line-height: 1.25;
      letter-spacing: 0.01em;
      width: min(190px, 100%);
      min-height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      text-wrap: balance;
      overflow-wrap: break-word;
      transition: color 0.28s ease;
    }

    .process-step:nth-child(5) h3 {
      width: min(220px, 100%);
      white-space: nowrap;
    }

    .process-step.is-top h3 {
      --title-offset-y: -26px;
      grid-row: 1;
      align-self: start;
      transform: translateY(var(--title-offset-y));
    }

    .process-step.is-bottom h3 {
      --title-offset-y: 26px;
      grid-row: 3;
      align-self: end;
      transform: translateY(var(--title-offset-y));
    }

    .process-step.is-bottom .step-node {
      grid-row: 2;
    }

    .process-step p,
    .process-step .step-number {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      white-space: nowrap;
      border: 0;
    }

    .step-node {
      grid-row: 2;
      position: relative;
      width: 80px;
      height: 80px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background:
        linear-gradient(145deg, #ffffff, #eaf7ff);
      border: 1px solid rgba(255,255,255,0.9);
      box-shadow:
        0 16px 34px rgba(36, 59, 130, 0.13),
        inset 0 0 0 1px rgba(139, 211, 91, 0.16);
      transition:
        box-shadow 0.28s ease,
        border-color 0.28s ease;
    }

    .step-node::before {
      content: '';
      position: absolute;
      z-index: 2;
      left: 50%;
      width: var(--connector-dot);
      height: var(--connector-dot);
      border-radius: 50%;
      transform: translateX(-50%);
      background: #ffffff;
      border: 3px solid var(--step-color);
      box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.52);
      transition:
        border-color 0.28s ease,
        box-shadow 0.28s ease;
    }

    .process-step.is-top .step-node::after,
    .process-step.is-bottom .step-node::after {
      content: '';
      position: absolute;
      left: 50%;
      width: 3px;
      height: var(--connector-length);
      border-radius: 999px;
      transform: translateX(-50%);
      background: var(--step-color);
      box-shadow: 0 0 12px rgba(139, 211, 91, 0.26);
      transition:
        background 0.28s ease,
        box-shadow 0.28s ease;
    }

    .process-step.is-top .step-node::after {
      bottom: 100%;
    }

    .process-step.is-bottom .step-node::after {
      top: 100%;
    }

    .process-step.is-top .step-node::before {
      bottom: calc(100% + var(--connector-length) - 1px);
    }

    .process-step.is-bottom .step-node::before {
      top: calc(100% + var(--connector-length) - 1px);
    }

    .step-node img {
      width: 44px;
      height: 44px;
      object-fit: contain;
      filter: brightness(0) saturate(100%) invert(31%) sepia(42%) saturate(1041%) hue-rotate(88deg) brightness(92%) contrast(92%);
      transition: transform 0.28s ease, filter 0.28s ease;
    }

    .process-step:hover .step-node {
      border-color: rgba(255, 255, 255, 1);
      box-shadow:
        0 20px 42px rgba(36, 59, 130, 0.18),
        0 0 20px rgba(139, 211, 91, 0.22),
        inset 0 0 0 1px rgba(255, 255, 255, 0.75);
    }

    .process-step:hover .step-node::before {
      border-color: var(--blue-dark);
      box-shadow:
        0 0 0 3px rgba(255, 255, 255, 0.62),
        0 0 14px rgba(36, 59, 130, 0.24);
    }

    .process-step:hover .step-node::after {
      background: var(--blue-dark);
      box-shadow: 0 0 14px rgba(36, 59, 130, 0.28);
    }

    .process-step:hover .step-node img {
      transform: scale(1.08) translateY(-2px);
      filter: brightness(0) saturate(100%) invert(20%) sepia(58%) saturate(1392%) hue-rotate(207deg) brightness(92%) contrast(91%);
    }

    .process-step:hover h3 {
      color: var(--blue-dark);
    }

    .estimate-tool {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
      gap: 22px;
      align-items: stretch;
    }

    .estimate-panel {
      overflow: hidden;
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .estimate-panel-title {
      margin: 0;
      padding: 15px 18px;
      color: #ffffff;
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(16px, 1.5vw, 19px);
      font-weight: 600;
      letter-spacing: 0.08em;
      line-height: 1.25;
      text-align: center;
      text-transform: uppercase;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.16), transparent 36%),
        linear-gradient(135deg, var(--green-dark), var(--blue-dark));
    }

    .estimate-input-panel .estimate-panel-title {
      background:
        linear-gradient(135deg, rgba(255,255,255,0.16), transparent 36%),
        linear-gradient(135deg, var(--blue), var(--blue-dark));
    }

    .estimate-result-panel {
      background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,252,255,0.9));
      display: flex;
      flex-direction: column;
    }

    .estimate-panel-body {
      padding: clamp(18px, 3vw, 24px);
    }

    .estimate-result-panel .estimate-panel-body {
      flex: 1;
      display: flex;
    }

    .estimate-form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .estimate-field,
    .estimate-sun-box {
      display: grid;
      gap: 8px;
      min-width: 0;
      padding: 14px;
      border: 1px solid rgba(36, 59, 130, 0.10);
      border-radius: 18px;
      background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,252,255,0.9));
    }

    .estimate-sun-box,
    .estimate-field-full,
    .estimate-range-field {
      grid-column: 1 / -1;
    }

    .estimate-two-col,
    .estimate-consumption-mode {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .estimate-field label {
      min-height: 36px;
      display: flex;
      align-items: center;
      font-size: 13px;
      font-weight: 900;
      line-height: 1.3;
      color: var(--blue-dark);
    }

    .estimate-field input,
    .estimate-field select {
      min-height: 46px;
    }

    .estimate-hint {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .estimate-range-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      color: var(--blue-dark);
      font-size: 13px;
      font-weight: 900;
    }

    .estimate-range-title span {
      font-weight: 900;
    }

    .estimate-range-title strong {
      color: var(--green-dark);
      font-size: 16px;
    }

    .estimate-range-input {
      padding: 0;
      border: 0;
      box-shadow: none;
      accent-color: var(--green-dark);
      cursor: pointer;
    }

    .estimate-range-input:focus {
      box-shadow: none;
      transform: none;
    }

    .estimate-error {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border: 1px solid #fecaca;
      border-radius: 14px;
      background: #fff0f0;
      color: #a03333;
      font-size: 13px;
      font-weight: 800;
      line-height: 1.5;
    }

    .estimate-result-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      flex: 1;
      width: 100%;
      align-content: stretch;
    }

    .estimate-result-item {
      position: relative;
      min-height: 96px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 13px 14px;
      border: 1px solid rgba(36, 59, 130, 0.10);
      border-radius: 20px;
      background: #ffffff;
      text-align: center;
      overflow: hidden;
    }

    .estimate-result-main,
    .estimate-result-cost {
      grid-column: 1 / -1;
    }

    .estimate-result-main {
      min-height: 78px;
      background: linear-gradient(135deg, #f0faf7, #e7f7ee);
      border-color: rgba(31, 140, 82, 0.20);
    }

    .estimate-result-green {
      background: linear-gradient(135deg, #f5fff9, #effaf3);
      border-color: rgba(31, 140, 82, 0.22);
    }

    .estimate-result-area {
      background: linear-gradient(135deg, #f7fbff, #eff6ff);
      border-color: rgba(37, 99, 235, 0.20);
    }

    .estimate-result-blue {
      background: linear-gradient(135deg, #eff6ff, #e0f2fe);
      border-color: rgba(36, 59, 130, 0.18);
    }

    .estimate-result-orange {
      background: linear-gradient(135deg, #fff7ed, #ffedd5);
      border-color: rgba(245, 158, 11, 0.28);
    }

    .estimate-result-cost {
      min-height: 88px;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.10), transparent 38%),
        linear-gradient(135deg, #0f8aa7 0%, #123f94 58%, #243b82 100%);
      border-color: rgba(255, 255, 255, 0.34);
      box-shadow: 0 18px 34px rgba(36, 59, 130, 0.18);
    }

    .estimate-result-item.estimate-result-cost span {
      color: #ffffff;
      font-weight: 900;
      text-shadow: 0 2px 8px rgba(23, 36, 58, 0.28);
    }

    .estimate-result-item span {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      font-weight: 900;
      line-height: 1.35;
      letter-spacing: 0.05em;
    }

    .estimate-result-item span::after {
      content: "";
      width: min(116px, 100%);
      height: 2px;
      margin-top: 12px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(31, 140, 82, 0.26), rgba(37, 99, 235, 0.46));
    }

    .estimate-result-item.estimate-result-cost span::after {
      background: linear-gradient(90deg, rgba(139, 211, 91, 0.72), rgba(255, 255, 255, 0.58));
    }

    .estimate-result-item strong {
      margin-top: 14px;
      color: var(--blue-dark);
      font-size: clamp(22px, 2.8vw, 34px);
      line-height: 1.1;
    }

    .estimate-result-main strong {
      font-size: clamp(40px, 6vw, 72px);
    }

    .estimate-result-main strong,
    .estimate-result-green strong {
      color: var(--green-dark);
    }

    .estimate-result-area span,
    .estimate-result-blue span {
      color: var(--blue);
    }

    .estimate-result-green span {
      color: var(--green-dark);
    }

    .estimate-result-area strong,
    .estimate-result-blue strong {
      color: var(--blue);
    }

    .estimate-result-orange strong {
      color: #d97706;
    }

    .estimate-result-orange span {
      color: #c65f05;
    }

    .estimate-result-cost strong {
      color: #ffffff;
      font-size: clamp(34px, 5vw, 60px);
      font-weight: 900;
    }

    .estimate-result-note {
      grid-column: 1 / -1;
      width: 100%;
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto;
      color: var(--blue-dark);
      font-size: 12px;
      font-style: italic;
      line-height: 1.7;
      text-align: center;
    }

    @media (min-width: 960px) {
      #estimate .container {
        width: 900px;
      }

      .estimate-tool {
        width: 900px;
        max-width: 100%;
        margin-inline: auto;
        grid-template-columns: 460px 430px;
        gap: 10px;
        align-items: stretch;
      }

      .estimate-panel-title {
        padding: 8px 13px;
        font-size: clamp(14px, 1.05vw, 16px);
      }

      .estimate-panel-body {
        padding: 10px;
      }

      .estimate-form-grid,
      .estimate-result-grid {
        gap: 6px;
      }

      .estimate-field,
      .estimate-sun-box {
        gap: 4px;
        padding: 7px 9px;
        border-radius: 13px;
      }

      .estimate-two-col,
      .estimate-consumption-mode {
        gap: 7px;
      }

      .estimate-field label {
        min-height: 18px;
        font-size: 11.8px;
      }

      .estimate-field input,
      .estimate-field select {
        min-height: 33px;
        padding: 7px 9px;
        border-radius: 12px;
        font-size: 13.5px;
      }

      .estimate-hint,
      .estimate-note {
        font-size: 10.6px;
        line-height: 1.25;
      }

      .estimate-note {
        margin-top: 4px;
      }

      .estimate-range-title {
        font-size: 11.8px;
      }

      .estimate-range-field {
        gap: 2px;
        padding-block: 5px;
      }

      .estimate-range-field .estimate-hint {
        line-height: 1.18;
      }

      .estimate-range-input {
        height: 12px;
      }

      .estimate-result-item {
        min-height: 76px;
        padding: 8px 10px;
        border-radius: 16px;
      }

      .estimate-result-main {
        min-height: 76px;
      }

      .estimate-result-cost {
        min-height: 86px;
      }

      .estimate-result-item span {
        font-size: 10.8px;
        line-height: 1.2;
      }

      .estimate-result-item span::after {
        width: min(96px, 100%);
        margin-top: 5px;
      }

      .estimate-result-item strong {
        margin-top: 5px;
        font-size: clamp(17px, 1.8vw, 23px);
      }

      .estimate-result-main strong {
        font-size: clamp(28px, 3.2vw, 38px);
      }

      .estimate-result-cost strong {
        font-size: clamp(24px, 2.7vw, 31px);
      }

      .estimate-result-note {
        min-height: 32px;
        font-size: 10.6px;
        line-height: 1.28;
      }
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field.full { grid-column: 1 / -1; }

    label {
      font-size: 14px;
      font-weight: 900;
      color: var(--blue-dark);
    }

    input, textarea, select {
      width: 100%;
      border: 1px solid rgba(36, 59, 130, 0.16);
      border-radius: 18px;
      padding: 14px 16px;
      background: rgba(255,255,255,0.86);
      color: var(--ink);
      outline: none;
      transition: box-shadow 0.2s ease, border 0.2s ease;
    }

    textarea {
      resize: vertical;
      min-height: 120px;
    }

    input:focus, textarea:focus, select:focus {
      border-color: rgba(31, 140, 82, 0.5);
      box-shadow: 0 0 0 4px rgba(139, 211, 91, 0.22);
    }

    .estimate-note {
      margin: 10px 0 0;
      color: var(--muted);
      line-height: 1.7;
      font-size: 12px;
    }

    @media (min-width: 960px) {
      .estimate-note {
        margin-top: 4px;
        font-size: 10.6px;
        line-height: 1.25;
      }
    }

    .partners {
      --partner-logo-gap: 18px;
      --partner-logo-card-width: 178px;
      --partner-logo-loop-distance: -2352px;
      --partner-logo-speed: 34s;
      background: #f6fbff;
    }

    .partners .brand-row {
      position: relative;
      overflow: hidden;
      padding: 4px 0;
      background: #f6fbff;
      -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
      mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    }

    .partners .brand-track {
      display: flex;
      width: max-content;
      gap: var(--partner-logo-gap);
      animation: partnerLogoMarquee var(--partner-logo-speed) linear infinite;
      animation-play-state: paused;
      transform: translate3d(0, 0, 0);
      will-change: transform;
    }

    .partners .brand-track[data-loop-ready="true"] {
      animation-play-state: running;
    }

    .partners .brand-card {
      flex: 0 0 var(--partner-logo-card-width);
      height: 104px;
      display: grid;
      place-items: center;
      padding: 18px;
      background: transparent;
      overflow: hidden;
    }

    .partners .brand-card img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
      transform: translateZ(0);
    }

    @keyframes partnerLogoMarquee {
      from {
        transform: translateX(0);
      }

      to {
        transform: translate3d(var(--partner-logo-loop-distance), 0, 0);
      }
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .news-card {
      overflow: hidden;
    }

    .news-thumb {
      min-height: 170px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--sky), #eaffd6);
      color: var(--blue-dark);
      font-size: 56px;
    }

    .news-content {
      padding: 24px;
    }

    .contact-section {
      background: linear-gradient(180deg, #f6fbff, var(--sky));
    }

    .contact-layout {
      display: block;
    }

    .contact-title {
      margin-bottom: 34px;
    }

    .contact-title .label {
      margin-bottom: 0;
      justify-content: center;
    }

    .contact-card {
      padding: clamp(24px, 4vw, 38px);
    }

    .contact-unified-card {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: clamp(28px, 4vw, 54px);
      align-items: start;
    }

    .contact-copy,
    .contact-form {
      min-width: 0;
    }

    .contact-form-panel {
      padding: clamp(22px, 3vw, 30px);
      border: 1px solid rgba(36, 59, 130, 0.12);
      border-radius: 28px;
      background: var(--sky);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.82),
        0 16px 34px rgba(36, 59, 130, 0.08);
    }

    .contact-form-panel h3 {
      margin: 0 0 22px;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(18px, 1.7vw, 24px);
      font-weight: 600;
      line-height: 1.2;
      letter-spacing: 0.09em;
      text-align: center;
    }

    .contact-form-panel input,
    .contact-form-panel select,
    .contact-form-panel textarea,
    .contact-form-panel option,
    .contact-form-panel .btn {
      font-family: 'SegoeUI', sans-serif;
    }

    .contact-form-panel .contact-submit-btn {
      width: 100%;
      margin: 18px auto 0;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.64);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55);
    }

    .privacy-consent {
      display: grid;
      grid-template-columns: 20px minmax(0, 1fr);
      align-items: start;
      gap: 10px;
      margin-top: 16px;
      padding: 0;
      background: transparent;
      border: 0;
      box-shadow: none;
    }

    .privacy-consent input {
      width: 18px;
      height: 18px;
      margin: 3px 0 0;
      accent-color: var(--green-dark);
      cursor: pointer;
    }

    .privacy-consent__text {
      margin: 0;
      color: var(--blue-dark);
      font-size: 13px;
      font-weight: 600;
      line-height: 1.55;
      text-align: left;
    }

    .privacy-consent__policy {
      display: inline;
      padding: 0;
      border: 0;
      background: transparent;
      color: var(--green-dark);
      font: inherit;
      font-weight: 900;
      text-decoration: underline;
      text-underline-offset: 3px;
      cursor: pointer;
    }

    .privacy-consent__policy:hover,
    .privacy-consent__policy:focus-visible {
      color: var(--blue-dark);
    }

    .contact-form-panel .contact-submit-btn:disabled {
      opacity: 0.55;
      cursor: not-allowed;
      transform: none;
    }

    .contact-copy h2 {
      margin: 0;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(17px, 2vw, 24px);
      font-weight: 600;
      line-height: 1.04;
      letter-spacing: 0.09em;
      text-transform: uppercase;
      text-align: left;
    }

    .contact-copy .contact-copy-text {
      max-width: 720px;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.75;
      text-align: left;
      padding: 0;
    }

    .contact-list {
      display: grid;
      gap: 14px;
      margin-top: 28px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border-radius: 22px;
      background: #eef8ff;
      border: 0;
      font-weight: 800;
      color: var(--blue-dark);
      text-align: left;
      text-decoration: none;
      cursor: pointer;
    }

    .contact-item img {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      object-fit: contain;
    }

    .contact-hotline-trigger {
      width: 100%;
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    .contact-address-link[aria-disabled="true"] {
      opacity: 1;
      color: var(--blue-dark);
      font-weight: 800;
      cursor: default;
    }

    .contact-address-link[aria-disabled="true"] img {
      opacity: 1;
    }

    .status-message {
      display: none;
      margin-top: 18px;
      padding: 14px 16px;
      border-radius: 18px;
      font-weight: 800;
      line-height: 1.5;
    }

    .status-message.show { display: block; }
    .status-message.ok { background: #eaffd6; color: #1f6c37; }
    .status-message.error { background: #fff0f0; color: #a03333; }

    .hotline-modal[hidden],
    .policy-modal[hidden],
    .product-detail-modal[hidden] {
      display: none;
    }

    .hotline-modal,
    .policy-modal,
    .product-detail-modal {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      padding: 22px;
    }

    .policy-modal {
      z-index: 110;
    }

    .hotline-modal__backdrop,
    .policy-modal__backdrop,
    .product-detail-modal__backdrop {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 22% 18%, rgba(139, 211, 91, 0.22), transparent 30%),
        radial-gradient(circle at 82% 8%, rgba(130, 189, 220, 0.24), transparent 34%),
        rgba(8, 18, 34, 0.68);
      backdrop-filter: blur(12px);
    }

    .hotline-modal__dialog {
      position: relative;
      z-index: 1;
      width: min(100%, 440px);
      padding: 34px;
      border-radius: 30px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 251, 255, 0.94));
      border: 1px solid rgba(255, 255, 255, 0.78);
      box-shadow:
        0 30px 80px rgba(23, 36, 58, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    .hotline-modal__dialog h3 {
      margin: 0 44px 24px 0;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(20px, 2vw, 24px);
      line-height: 1.2;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .hotline-modal__close {
      position: absolute;
      top: 18px;
      right: 18px;
      width: 38px;
      height: 38px;
      border: 1px solid rgba(36, 59, 130, 0.10);
      border-radius: 50%;
      background: rgba(238, 248, 255, 0.9);
      color: var(--blue-dark);
      font-size: 24px;
      line-height: 1;
      cursor: pointer;
      box-shadow: 0 8px 18px rgba(36, 59, 130, 0.08);
      transition:
        background 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
    }

    .hotline-modal__numbers {
      display: grid;
      gap: 14px;
    }

    .hotline-modal__numbers a {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 58px;
      padding: 15px 20px;
      border-radius: 20px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(238, 248, 255, 0.88));
      border: 1px solid rgba(36, 59, 130, 0.12);
      color: var(--blue-dark);
      font-family: 'SegoeUI', sans-serif;
      font-size: 20px;
      font-weight: 800;
      text-decoration: none;
      box-shadow:
        0 12px 28px rgba(36, 59, 130, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.88);
      transition:
        color 0.22s ease,
        border-color 0.22s ease,
        background 0.22s ease,
        transform 0.22s ease,
        box-shadow 0.22s ease;
    }

    .hotline-modal__close:hover,
    .hotline-modal__numbers a:hover {
      transform: translateY(-2px);
      box-shadow:
        0 16px 34px rgba(36, 59, 130, 0.12),
        0 0 18px rgba(31, 140, 82, 0.12);
    }

    .hotline-modal__numbers a:hover {
      color: var(--green-dark);
      border-color: rgba(31, 140, 82, 0.28);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(234, 255, 214, 0.58));
    }

    .product-detail-modal__dialog {
      position: relative;
      z-index: 1;
      width: min(100%, 540px);
      padding: 38px 34px 36px;
      border-radius: 28px;
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(241, 249, 255, 0.96));
      border: 1px solid rgba(255, 255, 255, 0.82);
      text-align: center;
      box-shadow:
        0 30px 80px rgba(23, 36, 58, 0.30),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    .product-detail-modal__eyebrow {
      margin: 0 42px 12px;
      color: var(--green-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.22em;
      text-transform: uppercase;
    }

    .product-detail-modal__dialog h3 {
      margin: 0;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(20px, 2vw, 26px);
      font-weight: 800;
      line-height: 1.45;
      letter-spacing: 0.04em;
    }

    .product-detail-modal__close {
      position: absolute;
      top: 18px;
      right: 18px;
      width: 38px;
      height: 38px;
      border: 1px solid rgba(36, 59, 130, 0.10);
      border-radius: 50%;
      background: rgba(238, 248, 255, 0.9);
      color: var(--blue-dark);
      font-size: 24px;
      line-height: 1;
      cursor: pointer;
      box-shadow: 0 8px 18px rgba(36, 59, 130, 0.08);
      transition:
        background 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
    }

    .product-detail-modal__close:hover {
      transform: translateY(-2px);
      box-shadow:
        0 16px 34px rgba(36, 59, 130, 0.12),
        0 0 18px rgba(31, 140, 82, 0.12);
    }

    .policy-modal__dialog {
      position: relative;
      z-index: 1;
      width: min(100%, 920px);
      max-height: min(88vh, 780px);
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      overflow: hidden;
      border-radius: 28px;
      background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 248, 255, 0.96));
      border: 1px solid rgba(255, 255, 255, 0.86);
      box-shadow:
        0 36px 90px rgba(8, 18, 34, 0.38),
        0 0 0 1px rgba(139, 211, 91, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    .policy-modal__dialog::before {
      content: '';
      position: absolute;
      top: 0;
      left: 26px;
      right: 26px;
      height: 4px;
      border-radius: 0 0 999px 999px;
      background: linear-gradient(90deg, var(--green), var(--green-dark), var(--sky-deep));
      z-index: 2;
    }

    .policy-modal__header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 28px 32px 24px;
      background:
        linear-gradient(135deg, rgba(23, 36, 58, 0.98), rgba(36, 59, 130, 0.94)),
        radial-gradient(circle at 14% 0%, rgba(139, 211, 91, 0.30), transparent 34%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    }

    .policy-modal__eyebrow {
      margin: 0 0 8px;
      color: rgba(234, 255, 214, 0.86);
      font-family: 'SegoeUI', sans-serif;
      font-size: 12px;
      font-weight: 900;
      line-height: 1;
      letter-spacing: 0.22em;
      text-transform: uppercase;
    }

    .policy-modal__header h3 {
      margin: 0;
      color: #ffffff;
      font-family: 'SpaceGrotesk', sans-serif;
      font-size: clamp(20px, 2.4vw, 30px);
      line-height: 1.25;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      text-wrap: balance;
    }

    .policy-modal__close {
      flex: 0 0 auto;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(255, 255, 255, 0.24);
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.12);
      color: #ffffff;
      font-size: 24px;
      line-height: 1;
      cursor: pointer;
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
      transition:
        background 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
    }

    .policy-modal__close:hover {
      transform: translateY(-2px);
      background: rgba(255, 255, 255, 0.20);
      box-shadow:
        0 16px 34px rgba(0, 0, 0, 0.18),
        0 0 18px rgba(31, 140, 82, 0.12);
    }

    .policy-modal__content {
      overflow: auto;
      margin: 22px;
      padding: 12px clamp(22px, 3vw, 34px) clamp(22px, 3vw, 34px);
      border-radius: 22px;
      color: var(--ink);
      font-size: 16px;
      line-height: 1.75;
      text-align: left;
      background:
        linear-gradient(180deg, #ffffff, #fbfdff);
      border: 1px solid rgba(36, 59, 130, 0.10);
      box-shadow:
        0 18px 44px rgba(23, 36, 58, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
      outline: none;
    }

    .policy-modal__content.is-loading,
    .policy-modal__content.is-error {
      display: grid;
      place-items: center;
      min-height: 260px;
      padding: 32px;
      text-align: center;
      font-weight: 800;
      border-style: dashed;
    }

    .policy-modal__content.is-error {
      color: #8a2f2f;
      background:
        linear-gradient(180deg, #fffafa, #ffffff);
      border-color: rgba(160, 51, 51, 0.18);
    }

    .policy-modal__content h1,
    .policy-modal__content h2,
    .policy-modal__content h3 {
      color: var(--blue-dark);
      line-height: 1.3;
      margin: 1.2em 0 0.55em;
    }

    .policy-modal__content .policy-doc-section-title {
      margin: 1.45em 0 0.9em;
      padding: 11px 16px 11px 18px;
      border-left: 4px solid var(--green-dark);
      border-radius: 14px;
      color: var(--blue-dark);
      background:
        linear-gradient(90deg, rgba(234, 255, 214, 0.72), rgba(238, 248, 255, 0.78));
      font-family: 'SpaceGrotesk', 'SegoeUI', sans-serif;
      font-weight: 900;
      line-height: 1.38;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      text-align: left;
      box-shadow: inset 0 0 0 1px rgba(31, 140, 82, 0.10);
    }

    .policy-modal__content > .policy-doc-section-title:first-child,
    .policy-modal__content > :first-child.policy-doc-section-title {
      margin-top: 0;
    }

    .policy-modal__content .policy-doc-numbered-title {
      margin: 1.05em 0 0.55em;
      color: var(--blue-dark);
      font-weight: 400;
      line-height: 1.75;
      text-align: left;
    }

    .policy-modal__content .policy-doc-number-marker {
      display: inline;
      margin-right: 6px;
      color: inherit;
      background: transparent;
      font-weight: 400;
    }

    .policy-modal__content .policy-doc-number-text {
      color: inherit;
      font-weight: 400;
    }

    .policy-modal__content ol,
    .policy-modal__content ul {
      padding-left: 1.45em;
    }

    .policy-modal__content li::marker {
      color: var(--green-dark);
      font-weight: 900;
    }

    .policy-modal__content p,
    .policy-modal__content ul,
    .policy-modal__content ol {
      margin-top: 0;
      margin-bottom: 1em;
    }

    .policy-modal__content p:not(.policy-doc-section-title):not(.policy-doc-numbered-title),
    .policy-modal__content li {
      text-align: justify;
      text-justify: inter-word;
    }

    .policy-modal__content p:not(.policy-doc-section-title):not(.policy-doc-numbered-title) {
      margin-bottom: 1.05em;
    }

    .policy-modal__content table {
      width: 100%;
      border-collapse: collapse;
      margin: 18px 0;
      font-size: 15px;
    }

    .policy-modal__content th,
    .policy-modal__content td {
      border: 1px solid rgba(36, 59, 130, 0.18);
      padding: 10px 12px;
      vertical-align: top;
    }

    .service-price-modal__content {
      padding: 10px clamp(18px, 2.5vw, 28px) clamp(18px, 2.5vw, 28px);
      background: transparent;
    }

    .policy-modal--service-price .policy-modal__content {
      margin-top: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
    }

    .policy-modal--service-price .policy-modal__dialog {
      width: min(100%, 1080px);
    }

    .service-price-workbook {
      display: grid;
      gap: 26px;
    }

    .service-price-sheet {
      display: grid;
      gap: 22px;
    }

    .service-price-sheet h4 {
      margin: 0 0 12px;
      color: var(--blue-dark);
      font-family: 'SpaceGrotesk', 'SegoeUI', sans-serif;
      font-size: 18px;
      font-weight: 900;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .service-price-table-wrap {
      overflow-x: auto;
      border: 1px solid rgba(36, 59, 130, 0.14);
      border-radius: 18px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 250, 255, 0.9));
      box-shadow:
        0 18px 44px rgba(38, 81, 126, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    .policy-modal__content .service-price-table {
      min-width: 820px;
      margin: 0;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 14.5px;
      line-height: 1.58;
    }

    .policy-modal__content .service-price-table th,
    .policy-modal__content .service-price-table td {
      border: 0;
      border-right: 1px solid rgba(36, 59, 130, 0.12);
      border-bottom: 1px solid rgba(36, 59, 130, 0.12);
      padding: 12px 14px;
      color: var(--ink);
      background: rgba(255, 255, 255, 0.96);
      text-align: left;
      white-space: pre-line;
    }

    .policy-modal__content .service-price-table th {
      color: #ffffff;
      background: var(--blue-dark);
      font-family: 'SpaceGrotesk', 'SegoeUI', sans-serif;
      font-weight: 900;
      letter-spacing: 0.02em;
    }

    .policy-modal__content .service-price-table .service-price-section-row th {
      position: static;
      padding: 16px 18px;
      color: var(--blue-dark);
      background:
        linear-gradient(90deg, rgba(234, 255, 214, 0.9), rgba(238, 248, 255, 0.96));
      border-right: 0;
      border-bottom: 1px solid rgba(31, 140, 82, 0.18);
      font-family: 'SpaceGrotesk', 'SegoeUI', sans-serif;
      font-size: 17px;
      font-weight: 900;
      line-height: 1.35;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      text-align: left;
      box-shadow: inset 4px 0 0 var(--green-dark);
    }

    .policy-modal__content .service-price-table .service-price-section-row:not(:first-child) th {
      border-top: 18px solid transparent;
      background-clip: padding-box;
    }

    .policy-modal__content .service-price-table .service-price-header-row th {
      position: sticky;
      top: 0;
      z-index: 1;
      color: #ffffff;
      background:
        linear-gradient(135deg, var(--blue-dark), #2b4a91);
      border-bottom-color: rgba(255, 255, 255, 0.26);
      font-size: 14px;
      font-weight: 900;
      text-align: center;
    }

    .policy-modal__content .service-price-table .service-price-header-row th:first-child {
      min-width: 145px;
    }

    .policy-modal__content .service-price-table tr:nth-child(even) td {
      background: rgba(238, 248, 255, 0.62);
    }

    .policy-modal__content .service-price-table td:first-child {
      min-width: 145px;
      color: var(--blue-dark);
      font-weight: 800;
      text-align: center;
    }

    .policy-modal__content .service-price-table td:last-child {
      color: var(--green-dark);
      font-weight: 800;
    }

    .policy-modal__content .service-price-table th:last-child,
    .policy-modal__content .service-price-table td:last-child {
      border-right: 0;
    }

    .policy-modal__content .service-price-table tr:last-child td {
      border-bottom: 0;
    }

    .footer {
      padding: 58px 0 30px;
      background: #17243a;
      color: white;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
      gap: 30px;
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 16px;
    }

    .footer h3 {
      font-family: 'Nunito', sans-serif;
    }

    .footer p,
    .footer a,
    .footer li {
      color: rgba(255,255,255,0.74);
      line-height: 1.75;
    }

    .footer-policy-link {
      display: inline;
      padding: 0;
      border: 0;
      background: transparent;
      color: rgba(255,255,255,0.74);
      line-height: 1.75;
      text-align: left;
      cursor: pointer;
      transition: color 0.2s ease;
    }

    .footer-policy-link:hover,
    .footer-policy-link:focus-visible {
      color: #ffffff;
    }

    .footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 8px;
    }

    .copyright {
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.62);
      font-size: 14px;
    }

    .floating-contact {
      position: fixed;
      z-index: 60;
      right: 20px;
      bottom: 20px;
      display: grid;
      gap: 14px;
    }

    .floating-contact .floating-contact__home,
    .floating-contact .floating-contact__address {
      display: none;
    }

    .floating-contact__item {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      padding: 0;
      border: 0;
      border-radius: 50%;
      color: white;
      background: rgba(255, 255, 255, 0.96);
      box-shadow:
        0 10px 22px rgba(23, 36, 58, 0.12),
        0 0 0 0 rgba(31, 140, 82, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
      font-weight: 900;
      cursor: pointer;
      animation: floatingContactPulse 2.4s ease-in-out infinite;
      transition:
        box-shadow 0.22s ease,
        transform 0.22s ease;
    }

    .floating-contact__item span {
      display: none;
    }

    .floating-contact__zalo {
      order: 1;
    }

    .floating-contact__mess {
      order: 2;
    }

    .floating-contact__phone {
      order: 3;
    }

    .floating-contact__item:nth-child(2) {
      animation-delay: 0.25s;
    }

    .floating-contact__item:nth-child(3) {
      animation-delay: 0.5s;
    }

    .floating-contact img {
      width: 32px;
      height: 32px;
      object-fit: contain;
      display: block;
    }

    .floating-contact__item:hover {
      transform: translateY(-3px) scale(1.08);
      box-shadow:
        0 14px 28px rgba(23, 36, 58, 0.16),
        0 0 16px rgba(31, 140, 82, 0.18),
        0 0 0 8px rgba(31, 140, 82, 0),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    @keyframes floatingContactPulse {
      0%,
      100% {
        transform: translateY(0) scale(1);
        box-shadow:
          0 10px 22px rgba(23, 36, 58, 0.12),
          0 0 0 0 rgba(31, 140, 82, 0.28),
          inset 0 1px 0 rgba(255, 255, 255, 0.9);
      }

      45% {
        transform: translateY(-4px) scale(1.1);
        box-shadow:
          0 18px 34px rgba(23, 36, 58, 0.18),
          0 0 20px rgba(31, 140, 82, 0.24),
          0 0 0 10px rgba(31, 140, 82, 0),
          inset 0 1px 0 rgba(255, 255, 255, 0.95);
      }
    }

    @media (max-width: 900px) {
      .partners {
        --partner-logo-speed: 56s;
      }

      .two-col,
      .estimate-tool,
      .contact-unified-card {
        grid-template-columns: 1fr;
      }

      .hero-grid {
        padding-bottom: 60px;
      }

.trust-row {
  grid-template-columns: repeat(2, minmax(220px, 250px));
  justify-content: center;
}
	  

      .trust-row,
      .card-grid,
      .product-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .steps {
        grid-template-columns: repeat(3, 1fr);
      }

      .steps::before { display: none; }

      .brand-row { grid-template-columns: repeat(3, 1fr); }
    }

	@media (max-width: 780px) {
      .partners {
        --partner-logo-speed: 84s;
      }

	    html {
			scroll-padding-top: 72px;
		}
	  
	  .container {
		width: min(100% - 28px, var(--container));
	  }

	.nav-wrap {
	  height: 74px;
	  justify-content: center;
	  position: relative;
	}

	.brand {
	  position: absolute;
	  left: 50%;
	  transform: translateX(-50%);
	  z-index: 2;
	}

	.brand-logo {
	  height: 58px;
	  max-width: 220px;
	}

	.menu-toggle {
	  display: block;
	  position: absolute;
	  left: 0;
	  right: auto;
	  z-index: 3;
	}

	.nav-links {
	  position: absolute;
	  top: calc(100% - 10px);
	  left: 0;
	  right: auto;
	  transform: none;
	  display: none;
	  flex-direction: column;
	  align-items: flex-start;
	  gap: 4px;
	  width: 110px;
	  padding: 12px;
	  border-radius: 22px;
	  background: rgba(185, 220, 242, 0.98);
	  border: 1px solid rgba(255, 255, 255, 0.55);
	  box-shadow: var(--shadow);
	}

	.nav-links.open {
	  display: flex;
	}

	.nav-links a {
	  width: fit-content;
	  padding: 11px 0;
	  border-radius: 14px;
	  text-align: left;
	  font-size: 14px;
	  font-weight: 800;
	}

	.nav-links a:hover {
	  background: rgba(255, 255, 255, 0.42);
	}

      .hero {
        padding-top: 90px;
      }

      .hero-grid {
        min-height: auto;
        padding-bottom: 50px;
      }

      .hero h1 {
        font-size: 40px;
        line-height: 1.08;
      }

      .hero-title-main {
        margin-left: 0;
      }

      .hero-title-brand {
        margin-left: 0;
        font-size: 44px;
        line-height: 1.04;
        white-space: nowrap;
      }

      .hero-trust-title {
        gap: 10px;
        font-size: 14px;
        letter-spacing: 0.12em;
        white-space: normal;
      }

      .hero-trust-title::before,
      .hero-trust-title::after {
        flex: 1;
        width: auto;
        min-width: 34px;
      }

      .hero-copy { padding-top: 10px; }

      .hero .eyebrow {
        padding: 7px 14px;
        font-size: 11px;
        letter-spacing: 0.14em;
      }

      .hero-description {
        max-width: 100%;
        font-size: 15px;
        font-weight: 700;
        text-shadow:
          0 2px 12px rgba(23, 36, 58, 0.38),
          0 1px 2px rgba(23, 36, 58, 0.32);
      }

      .hero-actions {
        margin-top: 120px;
      }

.trust-row {
  grid-template-columns: minmax(240px, 290px);
  justify-content: center;
}

.trust-item {
  min-height: auto;
  padding: 13px 16px;
}

.trust-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  justify-content: stretch;
  column-gap: 12px;
}

.trust-icon {
  justify-self: center;
}

.trust-text {
  align-items: center;
  justify-self: center;
  width: 100%;
}

      .section { padding: 68px 0; }

      .card-grid,
      .service-list,
      .product-strip,
      .steps,
      .news-grid,
      .brand-row,
      .footer-grid,
      .form-grid,
      .estimate-form-grid,
      .estimate-two-col,
      .estimate-consumption-mode,
      .result-grid,
      .estimate-result-grid {
        grid-template-columns: 1fr;
      }

      .estimate-tool {
        gap: 14px;
      }

      .estimate-panel {
        border-radius: 18px;
      }

      .estimate-panel-title {
        padding: 8px 12px;
        font-size: 15px;
        line-height: 1.2;
      }

      .estimate-panel-body {
        padding: 9px;
      }

      .estimate-form-grid,
      .estimate-result-grid {
        gap: 8px;
      }

      .estimate-field,
      .estimate-sun-box {
        gap: 4px;
        padding: 7px 9px;
        border-radius: 14px;
      }

      .estimate-field label {
        min-height: 0;
        font-size: 11.5px;
        line-height: 1.2;
      }

      .estimate-field input,
      .estimate-field select {
        min-height: 36px;
        padding: 7px 10px;
        border-radius: 13px;
      }

      .estimate-hint,
      .estimate-note {
        font-size: 10.5px;
        line-height: 1.25;
      }

      .estimate-note {
        margin-top: 4px;
      }

      .estimate-range-field {
        gap: 3px;
        padding-block: 6px;
      }

      .estimate-range-title {
        font-size: 11.5px;
      }

      .estimate-range-input {
        height: 12px;
      }

      .estimate-result-item {
        min-height: 68px;
        padding: 7px 9px;
        border-radius: 14px;
      }

      .estimate-result-main {
        min-height: 64px;
      }

      .estimate-result-cost {
        min-height: 70px;
      }

      .estimate-result-item span {
        font-size: 11px;
      }

      .estimate-result-item span::after {
        width: min(90px, 100%);
        margin-top: 5px;
      }

      .estimate-result-item strong {
        margin-top: 5px;
        font-size: clamp(19px, 6.5vw, 26px);
      }

      .estimate-result-main strong {
        font-size: clamp(32px, 10vw, 46px);
      }

      .estimate-result-cost strong {
        font-size: clamp(25px, 8vw, 34px);
      }

      .estimate-result-note {
        min-height: 34px;
        font-size: 10.5px;
        line-height: 1.28;
      }
	  
.solar-solution-grid {
  width: 100%;
  grid-template-columns: 1fr;
}

.solar-solution-item {
  width: 100%;
  min-height: 74px;
  padding-inline: 16px;
  font-size: 14px;
}

.solar-solution-item::before {
  display: none;
}

.solar-system-frame {
  width: 100%;
}

      body {
        padding-bottom: 86px;
      }

      .floating-contact {
        left: 0;
        right: 0;
        bottom: 0;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 0;
        padding: 7px 6px calc(7px + env(safe-area-inset-bottom));
        background: rgba(185, 220, 242, 0.96);
        backdrop-filter: blur(16px);
        border-top: 1px solid rgba(36, 59, 130, 0.10);
        box-shadow: 0 -10px 28px rgba(23, 36, 58, 0.10);
        backdrop-filter: blur(12px);
      }

      .floating-contact .floating-contact__home,
      .floating-contact .floating-contact__address,
      .floating-contact__item {
        display: grid;
      }

      .floating-contact__home {
        order: 1;
      }

      .floating-contact__address {
        order: 2;
      }

      .floating-contact__phone {
        order: 3;
      }

      .floating-contact__zalo {
        order: 4;
      }

      .floating-contact__mess {
        order: 5;
      }

      .floating-contact__item {
        width: 100%;
        height: 64px;
        grid-template-rows: 32px auto;
        align-items: center;
        justify-items: center;
        gap: 4px;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        color: var(--blue-dark);
        font-family: 'SegoeUI', sans-serif;
        font-size: clamp(11px, 2.7vw, 13px);
        font-weight: 900;
        line-height: 1.1;
        text-align: center;
        text-decoration: none;
        animation: none;
      }

      .floating-contact__item span {
        display: block;
        white-space: nowrap;
      }

      .floating-contact img {
        width: 30px;
        height: 30px;
      }

      .floating-contact__phone img {
        width: 36px;
        height: 36px;
        animation: mobileHotlinePulse 1.7s ease-in-out infinite;
      }

      .floating-contact__item:hover {
        transform: none;
        box-shadow: none;
      }

      @keyframes mobileHotlinePulse {
        0%,
        100% {
          transform: translateY(0) scale(1);
          filter: none;
        }

        45% {
          transform: translateY(-2px) scale(1.08);
          filter:
            drop-shadow(0 0 10px rgba(31, 140, 82, 0.34))
            drop-shadow(0 8px 14px rgba(23, 36, 58, 0.16));
        }
      }

      .field.full { grid-column: auto; }

      .footer-grid { gap: 24px; }

      .floating-contact {
        right: 0;
        bottom: 0;
      }

      .policy-modal {
        padding: 12px;
      }

      .policy-modal__dialog {
        max-height: calc(100vh - 108px);
        border-radius: 20px;
      }

      .policy-modal__header {
        padding: 22px 18px 18px;
      }

      .policy-modal__header h3 {
        font-size: 18px;
        letter-spacing: 0.04em;
      }

      .policy-modal__close {
        width: 38px;
        height: 38px;
      }

      .policy-modal__content {
        margin: 12px;
        padding: 18px;
        border-radius: 16px;
        font-size: 15px;
      }

    }
	
	.customer-card {
	  height: 100%;
	  min-height: 330px;
	  padding: 28px 24px;
	  border-radius: 28px;
	  background:
		radial-gradient(circle at 15% 0%, rgba(139,211,91,0.13), transparent 34%),
		linear-gradient(180deg, #ffffff, #f4f9ff);
	  border: 1px solid rgba(255,255,255,0.88);
	  box-shadow:
		0 26px 62px rgba(38, 81, 126, 0.13),
		inset 0 0 0 1px rgba(36, 59, 130, 0.06);
	  position: relative;
	  overflow: hidden;
	}

	.customer-card::before {
	  content: '';
	  position: absolute;
	  inset: 0;
	  background:
		linear-gradient(135deg, rgba(255,255,255,0.72), transparent 42%);
	  pointer-events: none;
	}

	.customer-card > * {
	  position: relative;
	  z-index: 1;
	}

.customer-card .customer-label {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 0 14px;
  padding: 9px 18px;
  border-radius: 999px;
  overflow: hidden;

  color: var(--green-dark);
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(240,248,255,0.72));
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow:
    0 10px 24px rgba(31, 140, 82, 0.10),
    0 4px 12px rgba(36, 59, 130, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.95);

  font-family: 'SegoeUI', sans-serif;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

	.customer-card h3 {
	  margin: 0 0 18px;
	  color: var(--blue-dark);
	  font-family: 'SpaceGrotesk', sans-serif;
	  font-size: 24px;
	  font-weight: 600;
	  line-height: 1.2;
	  letter-spacing: -0.02em;
	}

	.customer-list {
	  display: grid;
	  gap: 10px;
	}

	.customer-item {
	  display: flex;
	  align-items: center;
	  gap: 12px;
	  min-height: 46px;
	  padding: 10px 12px;
	  border-radius: 12px;
	  background: rgba(255,255,255,0.86);
	  border: 1px solid rgba(36, 59, 130, 0.10);
	  color: var(--blue-dark);
	  font-family: 'SegoeUI', sans-serif;
	  font-size: 15px;
	  font-weight: 600;
	  line-height: 1.35;
	  box-shadow: 0 10px 22px rgba(38, 81, 126, 0.06);
	  transition:
		transform 0.24s ease,
		box-shadow 0.24s ease,
		border-color 0.24s ease;
	}

	.customer-item:hover {
	  transform: translateY(-2px);
	  border-color: rgba(31, 140, 82, 0.22);
	  box-shadow: 0 16px 30px rgba(38, 81, 126, 0.10);
	}

.customer-icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: transparent;
  border-radius: 0;
  color: var(--blue-dark);
}

.customer-icon img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
  filter: brightness(0) saturate(100%) invert(20%) sepia(58%) saturate(1392%) hue-rotate(207deg) brightness(92%) contrast(91%);
}

/* ĐỊNH DẠNG KHUNG VIỀN LỚN BAO QUANH DANH MỤC SẢN PHẨM */
.product-container-box {
  background: transparent;           
  border: 1px solid var(--line);  
  border-radius: var(--radius);   
  padding: 32px;                 
  box-shadow: var(--shadow);    
  margin-top: 32px;              
}

.product-container-box .product-split-wrap {
  margin-top: 0; 
}

/* --- CĂN CHỈNH ICON CHO MENU TAB SẢN PHẨM --- */
.product-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px; /* Tạo khoảng cách vừa vặn giữa icon và chữ */
}

.product-tab-btn .tab-icon {
  width: 24px;   /* Giới hạn chiều ngang icon nhỏ gọn */
  height: 24px;  /* Giới hạn chiều cao icon nhỏ gọn */
  object-fit: contain;
  
  /* Lọc màu mặc định sang màu xanh dương giống màu chữ ban đầu */
  filter: brightness(0) saturate(100%) invert(20%) sepia(58%) saturate(1392%) hue-rotate(207deg) brightness(92%) contrast(91%);
  transition: filter 0.25s ease;
}

/*  ĐOẠN CODE MỚI ĐÃ SỬA LỖI: */

/* 1. Khi di chuột qua nút thông thường, đổi icon sang màu xanh lá thương hiệu */
.product-tab-btn:hover .tab-icon {
  filter: brightness(0) saturate(100%) invert(43%) sepia(36%) saturate(900%) hue-rotate(84deg) brightness(95%) contrast(90%);
}

/* 2. Chỉ khi tab được kích hoạt hẳn (nền nút biến thành màu xanh đậm), icon mới đổi sang màu trắng */
.product-tab-btn.is-active .tab-icon {
  filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

@media (max-width: 780px) {
  .product-container-box {
    padding: 18px;
  }
}

/* Bố cục riêng cho phần Sản phẩm theo dạng tab ngang và thẻ sản phẩm */
#san-pham .product-container-box {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  margin-top: 36px;
}

#san-pham .product-split-wrap {
  display: block;
  margin-top: 0;
}

#san-pham .product-menu-header {
  display: none;
}

#san-pham .product-tabs {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 18px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#san-pham .product-tab-btn {
  width: 100%;
  min-height: 58px;
  justify-content: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid rgba(36, 59, 130, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: none;
  text-align: center;
  transform: none;
}

#san-pham .product-tab-btn:hover {
  border-color: rgba(31, 140, 82, 0.32);
  background: rgba(255, 255, 255, 0.82);
  color: var(--blue-dark);
  transform: none;
}

#san-pham .product-tab-btn.is-active,
#san-pham .product-tab-btn.is-active:hover {
  background: var(--blue-dark);
  color: #ffffff;
  border-color: var(--blue-dark);
  box-shadow: 0 14px 28px rgba(36, 59, 130, 0.18);
}

#san-pham .product-tab-btn .tab-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
}

#san-pham .product-panes {
  margin-top: 44px;
}

#san-pham .product-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
}

#san-pham .product-item-card {
  min-height: 400px;
  align-items: center;
  padding: 24px;
  border-radius: 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(36, 59, 130, 0.12);
  box-shadow: 0 18px 42px rgba(38, 81, 126, 0.08);
}

#san-pham .product-img-box {
  height: 250px;
  margin-bottom: 18px;
  border-radius: 14px;
}

#san-pham .product-item-card h3 {
  margin: 0 0 22px;
}

#san-pham .product-detail-link {
  width: min(190px, 100%);
  min-height: 46px;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid rgba(36, 59, 130, 0.18);
  border-radius: 12px;
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 10px 18px rgba(36, 59, 130, 0.08);
  font-family: 'SpaceGrotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

#san-pham .product-detail-link span {
  font-size: 24px;
  line-height: 1;
  transform: translateY(-1px);
}

#san-pham .product-detail-link:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: #ffffff;
  transform: translateY(-2px);
}

@media (max-width: 1100px) {
  #san-pham .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  #san-pham .product-tabs {
    gap: 8px;
  }

  #san-pham .product-tab-btn {
    gap: 8px;
    padding: 10px 8px;
  }

  #san-pham .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  #san-pham .product-container-box {
    margin-top: 24px;
    padding: 0;
  }

  #san-pham .product-tabs {
    gap: 6px;
    padding: 0;
    border-radius: 0;
  }

  #san-pham .product-tab-btn {
    min-height: 44px;
    padding: 8px 4px;
    font-size: clamp(9px, 2.45vw, 10.5px);
    line-height: 1.15;
    letter-spacing: 0;
    white-space: nowrap;
  }

  #san-pham .product-tab-btn .tab-icon {
    display: none;
  }

  #san-pham .product-panes {
    margin-top: 24px;
  }

  #san-pham .product-grid {
    gap: 12px;
  }

  #san-pham .product-item-card {
    min-height: auto;
    padding: 10px;
    border-radius: 18px;
  }

  #san-pham .product-img-box {
    height: clamp(118px, 35vw, 145px);
    margin-bottom: 8px;
    border-radius: 12px;
  }

  #san-pham .product-item-card h3 {
    margin-bottom: 10px;
    font-size: 12px;
    line-height: 1.25;
  }

  #san-pham .product-detail-link {
    width: 100%;
    min-height: 34px;
    gap: 6px;
    border-radius: 10px;
    font-size: 11px;
  }

  #san-pham .product-detail-link span {
    font-size: 18px;
  }
}

@media (max-width: 900px) {
  .process-line {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: auto;
    padding: 24px 18px;
    overflow: visible;
  }

  .process-line::before {
    display: block;
    left: 57px;
    right: auto;
    top: 34px;
    bottom: 34px;
    width: 3px;
    height: auto;
    transform: none;
    background: var(--blue-dark);
    box-shadow: none;
  }

  .process-line::after {
    display: none;
  }

  .process-step,
  .process-step.is-top,
  .process-step.is-bottom {
    grid-template-columns: 84px 1fr;
    grid-template-rows: auto;
    align-items: center;
    justify-items: start;
    gap: 0 16px;
    min-height: auto;
    padding: 0;
    text-align: left;
  }

  .process-step::before {
    display: none;
  }

  .process-step h3,
  .process-step.is-top h3,
  .process-step.is-bottom h3 {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    width: auto;
    min-height: auto;
    display: block;
    transform: none;
    text-align: left;
    font-size: 16px;
    line-height: 1.3;
  }

  .process-step:nth-child(5) h3 {
    width: auto;
    white-space: normal;
  }

  .process-step .step-node,
  .process-step.is-bottom .step-node {
    grid-column: 1;
    grid-row: 1;
    width: 78px;
    height: 78px;
  }

  .process-step .step-node::after {
    display: none;
  }

  .process-step .step-node::before {
    display: none;
  }

  .process-step .step-node img {
    width: 42px;
    height: 42px;
  }

  .process-step p {
    position: static;
    grid-column: 2;
    grid-row: 2;
    width: auto;
    height: auto;
    margin: 0;
    clip: auto;
    overflow: visible;
    white-space: normal;
    color: rgba(255, 255, 255, 0.88);
    font-size: 14px;
    line-height: 1.55;
  }
}

@media (max-width: 780px) {
  .trust-section {
    padding-top: 18px;
    padding-bottom: 20px;
  }

  #gioi-thieu {
    padding-top: 24px;
    padding-bottom: 20px;
  }

  #san-pham,
  #process,
  #estimate,
  .partners,
  #tin-tuc,
  #lien-he {
    padding-top: 24px;
  }

  #process {
    padding-bottom: 28px;
  }

  #process .section-title {
    margin-bottom: 16px;
  }

  .process-line {
    gap: 12px;
    padding: 16px 14px;
  }

  .process-line::before {
    left: 53px;
    top: 26px;
    bottom: 26px;
  }

  .process-step,
  .process-step.is-top,
  .process-step.is-bottom {
    grid-template-columns: 78px 1fr;
    gap: 0 12px;
  }

  .process-step .step-node,
  .process-step.is-bottom .step-node {
    width: 72px;
    height: 72px;
  }

  .process-step .step-node img {
    width: 40px;
    height: 40px;
  }

  .process-step p {
    font-size: 13.5px;
    line-height: 1.45;
  }
}
