:root {
  color-scheme: dark;
  /* Bảng màu nền tối nhiều lớp */
  --bg-deep: #050507;
  --bg-color: #0a0a0e;
  --bg-surface: #0f0f14;
  --section-bg-flat: #0d141c;
  --panel-bg: #111118;
  --panel-bg-hover: #16161f;
  --panel-border: rgba(255, 255, 255, 0.06);
  --panel-border-hover: rgba(255, 255, 255, 0.12);

  /* Bảng màu chữ */
  --text-primary: #f0f0f5;
  --text-secondary: #8e8ea0;
  --text-muted: #555568;

  /* Bảng màu nhấn */
  --brand-color: #fc6767;
  --brand-color-rgb: 252, 103, 103;
  --brand-color-deep: #e90089;
  --brand-color-deep-rgb: 233, 0, 137;
  --accent-1: var(--brand-color);
  --accent-2: var(--brand-color-deep);
  --accent-3: #ff8d72;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --accent-glow-1: rgba(var(--brand-color-rgb), 0.18);
  --accent-glow-2: rgba(var(--brand-color-deep-rgb), 0.14);
  --brand-gradient: var(--accent-gradient);
  
  /* Dropdown và thành phần */
  --dropdown-hover: rgba(255, 255, 255, 0.05);
  --dropdown-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  --header-bg: rgba(10, 10, 14, 0.75);
  --header-bg-scrolled: rgba(10, 10, 14, 0.92);
  --header-text: #e8eaf2;
  --header-text-muted: #b9bfcd;
  --mobile-menu-bg: rgba(10, 10, 14, 0.96);
  --visual-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  --visual-shadow-hover: 0 30px 80px rgba(0, 0, 0, 0.7);
  --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);

  /* Bố cục chung */
  --container-max-width: clamp(20rem, 92vw, 75rem);
  --container-gutter: clamp(1.25rem, 3vw, 2.5rem);
  --header-max-width: clamp(20rem, 96vw, 88rem);
  --header-gutter: clamp(0.9rem, 2vw, 1.5rem);
  --header-height: 72px;
  --section-spacing: 100px;
  --section-spacing-sm: 60px;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;

  /* Chuyển động */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s var(--ease-out-expo);
  --transition-slow: 0.6s var(--ease-out-expo);

  /* Màn intro */
  --intro-bg:
    radial-gradient(circle at top, rgba(var(--brand-color-rgb), 0.12), transparent 36%),
    radial-gradient(circle at 78% 24%, rgba(var(--brand-color-deep-rgb), 0.14), transparent 30%),
    linear-gradient(180deg, rgba(5, 5, 7, 0.98), rgba(10, 10, 14, 0.99));
  --intro-panel-bg: linear-gradient(180deg, rgba(8, 8, 12, 0.9), rgba(5, 5, 7, 0.96));
  --intro-grid-line: rgba(255, 255, 255, 0.02);
  --intro-border: rgba(255, 255, 255, 0.06);
  --intro-border-strong: rgba(255, 255, 255, 0.1);
  --intro-surface: rgba(255, 255, 255, 0.025);
  --intro-surface-strong: rgba(255, 255, 255, 0.04);
  --intro-shine: rgba(255, 255, 255, 0.18);
  --hero-caption-color: rgba(224, 230, 240, 0.84);
  --hero-caption-shadow: rgba(var(--brand-color-rgb), 0.06);
  --hero-caption-line-start: rgba(var(--brand-color-rgb), 0.2);
  --hero-caption-line-mid: rgba(var(--brand-color-rgb), 0.9);
  --hero-caption-line-end: rgba(var(--brand-color-deep-rgb), 0.45);
  --hero-caption-scan-soft: rgba(255, 255, 255, 0.04);
  --hero-caption-scan-bright: rgba(255, 255, 255, 0.34);
  --hero-caption-scan-accent: rgba(var(--brand-color-rgb), 0.2);
  --hero-title-gradient: linear-gradient(135deg, #ffffff 0%, #f4f7ff 34%, #c9d6ff 64%, #ff8d72 88%, #ff4fa8 100%);
  --hero-title-shadow: 0 0 18px rgba(201, 214, 255, 0.12);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--section-bg-flat);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2400' height='1800' viewBox='0 0 2400 1800'%3E%3Cg fill='none' stroke='rgba(252,103,103,0.17)' stroke-width='1.4' stroke-linecap='round'%3E%3Cpath d='M-250 156 C 120 42, 310 248, 610 170 S 1110 86, 1420 196 S 1840 338, 2260 188 S 2610 88, 2890 166'/%3E%3Cpath d='M-230 364 C 140 260, 360 470, 690 388 S 1210 286, 1540 406 S 1940 556, 2320 398 S 2640 286, 2920 374'/%3E%3Cpath d='M-270 612 C 110 490, 380 726, 740 628 S 1300 520, 1630 652 S 2030 826, 2400 644 S 2710 520, 3010 612'/%3E%3Cpath d='M-220 844 C 150 742, 430 950, 790 866 S 1340 770, 1680 902 S 2070 1058, 2450 882 S 2770 764, 3070 850'/%3E%3Cpath d='M-260 1096 C 130 970, 450 1218, 830 1114 S 1410 1000, 1770 1138 S 2160 1306, 2520 1128 S 2840 1006, 3140 1092'/%3E%3Cpath d='M-210 1368 C 170 1246, 500 1494, 900 1380 S 1510 1260, 1870 1408 S 2260 1588, 2620 1394 S 2930 1266, 3210 1356'/%3E%3C/g%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2400' height='1800' viewBox='0 0 2400 1800'%3E%3Cg fill='none' stroke='rgba(233,0,137,0.16)' stroke-width='1.5' stroke-linecap='round'%3E%3Cpath d='M46 -180 C 190 8, 286 134, 438 298 S 720 612, 910 860 S 1200 1208, 1388 1498 S 1650 1770, 1850 2044'/%3E%3Cpath d='M418 -210 C 560 -16, 664 112, 796 286 S 1042 596, 1236 842 S 1510 1182, 1712 1476 S 1988 1750, 2214 2028'/%3E%3Cpath d='M812 -168 C 944 18, 1030 126, 1178 316 S 1446 648, 1646 916 S 1938 1268, 2160 1560 S 2442 1832, 2668 2108'/%3E%3Cpath d='M1288 -224 C 1418 -20, 1514 122, 1656 308 S 1938 632, 2146 902 S 2444 1260, 2674 1552 S 2958 1820, 3182 2094'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover, cover;
  background-position: center top, center top;
  background-repeat: no-repeat, no-repeat;
  opacity: 0.72;
  filter: drop-shadow(0 0 8px rgba(252, 103, 103, 0.12)) drop-shadow(0 0 14px rgba(233, 0, 137, 0.08));
}

body::after {
  background-image:
    linear-gradient(180deg, rgba(122, 214, 227, 0.03), rgba(122, 214, 227, 0.01) 32%, transparent 58%),
    repeating-linear-gradient(88.8deg,
      transparent 0,
      transparent calc(7rem - 1px),
      rgba(132, 220, 232, 0.08) calc(7rem - 1px),
      rgba(132, 220, 232, 0.08) 7rem),
    repeating-linear-gradient(91.2deg,
      transparent 0,
      transparent calc(7rem - 1px),
      rgba(132, 220, 232, 0.08) calc(7rem - 1px),
      rgba(132, 220, 232, 0.08) 7rem),
    repeating-linear-gradient(180deg,
      transparent 0,
      transparent calc(6rem - 1px),
      rgba(132, 220, 232, 0.05) calc(6rem - 1px),
      rgba(132, 220, 232, 0.05) 6rem);
  background-size: auto, 56% 100%, 56% 100%, 100% 100%;
  background-position: center top, -3% top, 103% top, center top;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat;
  opacity: 0.42;
}

body.intro-playing {
  overflow: hidden;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-deep: #f1f4f8;
  --bg-color: #f6f8fb;
  --bg-surface: #ffffff;
  --section-bg-flat: #edf1f4;
  --panel-bg: #ffffff;
  --panel-bg-hover: #f3f6fa;
  --panel-border: rgba(22, 29, 37, 0.1);
  --panel-border-hover: rgba(22, 29, 37, 0.18);
  --text-primary: #161616;
  --text-secondary: #4d5358;
  --text-muted: #7a8086;
  --accent-glow-1: rgba(var(--brand-color-rgb), 0.08);
  --accent-glow-2: rgba(var(--brand-color-deep-rgb), 0.08);
  --dropdown-hover: rgba(22, 29, 37, 0.05);
  --dropdown-shadow: 0 20px 50px rgba(22, 29, 37, 0.15);
  --header-bg: rgba(246, 248, 251, 0.8);
  --header-bg-scrolled: rgba(255, 255, 255, 0.95);
  --header-text: #161616;
  --header-text-muted: #4d5358;
  --mobile-menu-bg: rgba(255, 255, 255, 0.98);
  --visual-shadow: 0 20px 60px rgba(22, 29, 37, 0.1);
  --visual-shadow-hover: 0 30px 80px rgba(22, 29, 37, 0.15);
  --card-shadow: 0 10px 30px rgba(22, 29, 37, 0.06);
  --intro-bg:
    radial-gradient(circle at top, rgba(var(--brand-color-rgb), 0.08), transparent 34%),
    radial-gradient(circle at 78% 24%, rgba(var(--brand-color-deep-rgb), 0.08), transparent 28%),
    linear-gradient(180deg, rgba(246, 248, 251, 0.97), rgba(255, 255, 255, 0.985));
  --intro-panel-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(246, 248, 251, 0.88));
  --intro-grid-line: rgba(22, 29, 37, 0.05);
  --intro-border: rgba(22, 29, 37, 0.08);
  --intro-border-strong: rgba(22, 29, 37, 0.14);
  --intro-surface: rgba(22, 29, 37, 0.03);
  --intro-surface-strong: rgba(22, 29, 37, 0.05);
  --intro-shine: rgba(255, 255, 255, 0.36);
  --hero-caption-color: rgba(34, 40, 49, 0.94);
  --hero-caption-shadow: rgba(var(--brand-color-rgb), 0.08);
  --hero-caption-line-start: rgba(var(--brand-color-rgb), 0.22);
  --hero-caption-line-mid: rgba(var(--brand-color-rgb), 0.92);
  --hero-caption-line-end: rgba(var(--brand-color-deep-rgb), 0.5);
  --hero-caption-scan-soft: rgba(255, 255, 255, 0);
  --hero-caption-scan-bright: rgba(255, 255, 255, 0.38);
  --hero-caption-scan-accent: rgba(var(--brand-color-rgb), 0.22);
  --hero-title-gradient: linear-gradient(135deg, #12161c 0%, #34404d 48%, #ff7a6d 82%, #e90089 100%);
  --hero-title-shadow: 0 10px 24px rgba(22, 29, 37, 0.08);
}

:root[data-theme="light"] body::before {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2400' height='1800' viewBox='0 0 2400 1800'%3E%3Cg fill='none' stroke='rgba(252,103,103,0.16)' stroke-width='1.4' stroke-linecap='round'%3E%3Cpath d='M-250 156 C 120 42, 310 248, 610 170 S 1110 86, 1420 196 S 1840 338, 2260 188 S 2610 88, 2890 166'/%3E%3Cpath d='M-230 364 C 140 260, 360 470, 690 388 S 1210 286, 1540 406 S 1940 556, 2320 398 S 2640 286, 2920 374'/%3E%3Cpath d='M-270 612 C 110 490, 380 726, 740 628 S 1300 520, 1630 652 S 2030 826, 2400 644 S 2710 520, 3010 612'/%3E%3Cpath d='M-220 844 C 150 742, 430 950, 790 866 S 1340 770, 1680 902 S 2070 1058, 2450 882 S 2770 764, 3070 850'/%3E%3Cpath d='M-260 1096 C 130 970, 450 1218, 830 1114 S 1410 1000, 1770 1138 S 2160 1306, 2520 1128 S 2840 1006, 3140 1092'/%3E%3Cpath d='M-210 1368 C 170 1246, 500 1494, 900 1380 S 1510 1260, 1870 1408 S 2260 1588, 2620 1394 S 2930 1266, 3210 1356'/%3E%3C/g%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2400' height='1800' viewBox='0 0 2400 1800'%3E%3Cg fill='none' stroke='rgba(233,0,137,0.14)' stroke-width='1.42' stroke-linecap='round'%3E%3Cpath d='M46 -180 C 190 8, 286 134, 438 298 S 720 612, 910 860 S 1200 1208, 1388 1498 S 1650 1770, 1850 2044'/%3E%3Cpath d='M418 -210 C 560 -16, 664 112, 796 286 S 1042 596, 1236 842 S 1510 1182, 1712 1476 S 1988 1750, 2214 2028'/%3E%3Cpath d='M812 -168 C 944 18, 1030 126, 1178 316 S 1446 648, 1646 916 S 1938 1268, 2160 1560 S 2442 1832, 2668 2108'/%3E%3Cpath d='M1288 -224 C 1418 -20, 1514 122, 1656 308 S 1938 632, 2146 902 S 2444 1260, 2674 1552 S 2958 1820, 3182 2094'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover, cover;
  background-position: center top, center top;
  background-repeat: no-repeat, no-repeat;
  opacity: 0.62;
  filter: drop-shadow(0 0 6px rgba(252, 103, 103, 0.08)) drop-shadow(0 0 10px rgba(233, 0, 137, 0.05));
}

:root[data-theme="light"] body::after {
  background-image:
    linear-gradient(180deg, rgba(52, 153, 168, 0.03), rgba(52, 153, 168, 0.012) 32%, transparent 58%),
    repeating-linear-gradient(88.8deg,
      transparent 0,
      transparent calc(7rem - 1px),
      rgba(52, 153, 168, 0.11) calc(7rem - 1px),
      rgba(52, 153, 168, 0.11) 7rem),
    repeating-linear-gradient(91.2deg,
      transparent 0,
      transparent calc(7rem - 1px),
      rgba(52, 153, 168, 0.11) calc(7rem - 1px),
      rgba(52, 153, 168, 0.11) 7rem),
    repeating-linear-gradient(180deg,
      transparent 0,
      transparent calc(6rem - 1px),
      rgba(52, 153, 168, 0.07) calc(6rem - 1px),
      rgba(52, 153, 168, 0.07) 6rem);
  background-size: auto, 56% 100%, 56% 100%, 100% 100%;
  background-position: center top, -3% top, 103% top, center top;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat;
  opacity: 0.34;
}

::selection {
  background: var(--accent-1);
  color: white;
}

.container {
  width: min(calc(100% - (var(--container-gutter) * 2)), var(--container-max-width));
  margin: 0 auto;
}

.page-intro {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--intro-bg);
  overflow: hidden;
}

.page-intro[hidden] {
  display: none;
}

.page-intro__ambient {
  position: absolute;
  inset: 12% 10%;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background:
    linear-gradient(90deg, var(--intro-grid-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--intro-grid-line) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(circle at center, black 35%, transparent 82%);
  opacity: 0.4;
}

.page-intro__panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: var(--intro-panel-bg);
  z-index: 0;
}

.page-intro__panel--left {
  left: 0;
}

.page-intro__panel--right {
  right: 0;
}

.page-intro__inner {
  position: relative;
  z-index: 1;
  width: min(100%, 40rem);
  display: grid;
  place-items: center;
  min-height: min(100svh - clamp(3rem, 8vw, 6rem), 44rem);
}

.page-intro__copy {
  width: min(100%, 34rem);
  display: grid;
  justify-items: center;
  gap: 1rem;
  text-align: center;
}

.page-intro__row,
.page-intro__status,
.page-intro__progress-meta,
.page-intro__stage {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}

.page-intro__progress {
  width: min(100%, 22rem);
}

.page-intro__progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-intro__progress-label {
  color: var(--text-muted);
}

.page-intro__progress-value {
  color: var(--text-primary);
}

.page-intro__progress-rail {
  position: relative;
  height: 0.45rem;
  overflow: hidden;
  background: var(--intro-surface-strong);
  border: 1px solid var(--intro-border);
}

.page-intro__progress-rail::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--intro-shine), transparent);
  transform: translateX(-100%);
  animation: introProgressShine 1.25s linear infinite;
}

.page-intro__progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2), #ffd2b2);
  box-shadow: 0 0 18px rgba(var(--brand-color-rgb), 0.34);
}

.page-intro__stages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.page-intro__stage {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--intro-border);
  background: var(--intro-surface);
  color: var(--text-muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-intro__stage--active {
  border-color: rgba(var(--brand-color-rgb), 0.3);
  background: rgba(var(--brand-color-rgb), 0.12);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--intro-border);
}

.page-intro__rows {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 30rem);
}

.page-intro__row {
  display: grid;
  grid-template-columns: 7.25rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--intro-border);
  background: var(--intro-surface);
  letter-spacing: 0.04em;
  position: relative;
  overflow: hidden;
  text-align: left;
}

.page-intro__row::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(var(--brand-color-rgb), 0.12), transparent);
  transform: translateX(-100%);
  animation: introRowScan 1.8s linear infinite;
}

.page-intro__row:nth-child(2)::after {
  animation-delay: 0.35s;
}

.page-intro__row:nth-child(3)::after {
  animation-delay: 0.7s;
}

.page-intro__row-label {
  color: var(--text-primary);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.page-intro__row-value {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.page-intro__status {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  min-height: 1.6em;
  max-width: 34ch;
}

.page-intro__wordmark {
  position: relative;
  z-index: 1;
  width: min(100%, 28rem);
  overflow: visible;
  color: var(--text-primary);
  margin-inline: auto;
}

@keyframes introProgressShine {
  to {
    transform: translateX(100%);
  }
}

@keyframes introRowScan {
  to {
    transform: translateX(100%);
  }
}

h1, h2, h3, h4, h5 {
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 8vw, 5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

strong {
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-med);
  text-decoration: none;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 10px 30px rgba(var(--brand-color-rgb), 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(var(--brand-color-rgb), 0.4);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border-hover);
  color: var(--text-primary);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-1);
  color: var(--accent-1);
  box-shadow: 0 0 20px var(--accent-glow-1);
}

section {
  padding: var(--section-spacing) 0;
  position: relative;
}

section:not(.hero):not(.proof-strip):not(#final-cta) {
  background: transparent;
}

section + section::before {
  display: none;
}


.eyebrow {
  color: var(--accent-1);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  line-height: 1.4;
  margin-bottom: 0;
  display: inline-flex;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(var(--brand-color-rgb), 0.08);
  border: 1px solid rgba(var(--brand-color-rgb), 0.16);
  border-radius: 0;
  max-width: min(100%, 36ch);
  align-self: flex-start;
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 2rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-med);
}

.card:hover {
  border-color: var(--panel-border-hover);
  background: var(--panel-bg-hover);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-size: 1.1rem;
}

.card h3 sup {
  font-size: 0.65rem;
  color: var(--brand-color-deep);
  font-weight: 700;
  margin-left: 0.3rem;
  vertical-align: super;
}

.card p:last-child {
  margin-bottom: 0;
}

.discover-snippet-section {
  padding-block: clamp(4rem, 7vw, 5.5rem);
}

.discover-snippet {
  position: relative;
}

.discover-snippet__card {
  width: min(100%, 100%);
  margin: 0 auto;
  padding: clamp(1.5rem, 3vw, 3rem);
  border-left: 4px solid var(--accent-1);
  background:
    linear-gradient(135deg, rgba(var(--brand-color-rgb), 0.11), rgba(var(--brand-color-deep-rgb), 0.05) 40%, transparent 78%),
    var(--panel-bg);
}

.discover-snippet__card:hover {
  border-left-color: var(--brand-color-deep);
}

.discover-snippet__lead {
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  line-height: 1.85;
  color: var(--text-primary);
  max-width: min(100%, 66ch);
  margin-bottom: 2rem;
}

.discover-snippet__actions {
  margin-top: 2rem;
}

.definition-block {
  padding-top: clamp(2.5rem, 4.6vw, 4rem);
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
}

.definition-block__intro {
  max-width: min(100%, 64rem);
  margin-inline: auto;
  text-align: center;
}

.definition-block h2 {
  margin-bottom: 0.9rem;
}

.definition-block p {
  max-width: min(100%, 84ch);
  margin-inline: auto;
}

.definition-block p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .discover-snippet-section {
      padding-block: clamp(3.25rem, 8vw, 4.5rem);
    }

  .discover-snippet__card {
      border-left-width: 3px;
    }

  .discover-snippet__lead {
      line-height: 1.78;
      margin-bottom: 1.5rem;
    }

  .definition-block {
      padding-top: 2.5rem;
      padding-bottom: 1rem;
    }
}

.step {
  flex: 1;
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  transition: all var(--transition-med);
  position: relative;
}

.step:hover {
  border-color: var(--panel-border-hover);
  background: var(--panel-bg-hover);
  transform: translateY(-3px);
}

.step + .step::after {
  content: '→';
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.2rem;
  font-weight: 300;
}

.step-num {
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 10px 28px rgba(var(--brand-color-rgb), 0.32);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 2.5rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

th, td {
  padding: 1.25rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--panel-border);
  transition: background var(--transition-fast);
}

th {
  background: rgba(255, 255, 255, 0.025);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

td:last-child {
  color: var(--accent-1);
  font-weight: 500;
}

#positioning {
  background: var(--accent-gradient);
  position: relative;
  overflow: hidden;
}

#positioning::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.1), transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 0, 0, 0.15), transparent 60%);
  pointer-events: none;
}

#positioning h2 {
  color: white;
}

#positioning p {
  color: rgba(255, 255, 255, 0.8);
}

#social-proof .card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}




.text-center { text-align: center; }

.mb-0 { margin-bottom: 0; }

.mb-4 { margin-bottom: 1rem; }

.mb-8 { margin-bottom: 2.5rem; }

.mt-4 { margin-top: 1.5rem; }

.mt-8 { margin-top: 3rem; }

.p-0 { padding: 0; }

.overflow-hidden { overflow: hidden; }

.reveal-el {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal-el.revealed {
  opacity: 1;
  transform: translateY(0);
}

.feat-grid .card.reveal-el {
  transition-delay: calc(var(--reveal-i, 0) * 80ms);
}

.card[style*="opacity: 0.6"] {
  border-style: dashed;
}

.site-next-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.site-next-card {
  display: grid;
  gap: 0.45rem;
  padding: 1rem 1.05rem;
  text-decoration: none;
  color: inherit;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent-3) 8%, transparent), transparent 100%),
    color-mix(in srgb, var(--surface-2, #fff) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-3) 14%, var(--panel-border));
  box-shadow: var(--card-shadow);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-next-card:hover,
.site-next-card:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent-3) 42%, var(--panel-border));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 100%),
    color-mix(in srgb, var(--surface-2, #fff) 30%, transparent);
}

.site-next-title {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.site-next-copy {
  color: color-mix(in srgb, var(--text-primary) 72%, var(--text-secondary));
  font-size: 0.95rem;
  line-height: 1.65;
}

.site-next-card:hover .site-next-title,
.site-next-card:focus-visible .site-next-title {
  color: var(--accent-3);
}

@media (max-width: 1024px) {
  .page-intro__inner {
      width: min(100%, 36rem);
      min-height: min(100svh - 2.5rem, 40rem);
    }

  .page-intro__copy {
      width: 100%;
    }

  .page-intro__row {
      grid-template-columns: 1fr;
      gap: 0.35rem;
      text-align: left;
    }

  .step + .step::after {
      content: '↓';
      left: 50%;
      top: -1.25rem;
      transform: translateX(-50%);
    }

  .discover-snippet__points {
      grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
  :root {
      --section-spacing: 70px;
    }

  .feat-grid {
      grid-template-columns: 1fr;
    }

  .discover-snippet__lead {
      max-width: none;
    }

  h1 {
      font-size: 2.5rem;
    }
}

@media (max-width: 640px) {
  .page-intro {
      padding: 1rem;
    }

  .page-intro__inner {
      min-height: calc(100svh - 2rem);
    }

  .page-intro__copy {
      gap: 0.85rem;
    }

  .page-intro__wordmark {
      width: min(100%, 18rem);
    }

  .page-intro__progress,
    .page-intro__rows {
      width: 100%;
    }

  .definition-block {
      padding-top: 2rem;
      padding-bottom: 0.75rem;
    }

  .site-next-grid {
      grid-template-columns: 1fr;
    }
}