:root {
  --bg-main: #151922;
  --bg-soft: #1f2632;
  --bg-glass: rgba(18, 24, 34, 0.76);
  --bg-light: #f4efe7;
  --text-main: #f1eadf;
  --text-soft: #b8c0cf;
  --text-dark: #2d2a25;
  --line: rgba(236, 194, 118, 0.38);
  --line-strong: rgba(236, 194, 118, 0.72);
  --accent: #edbc67;
  --accent-deep: #bf7f1a;
  --accent-soft: #f8dfaf;
  --chip: rgba(237, 188, 103, 0.12);
  --shadow: 0 26px 70px -38px rgba(7, 10, 18, 0.95);
}

:root.light {
  --bg-main: #faf5ec;
  --bg-soft: #fffaf3;
  --bg-glass: rgba(255, 250, 243, 0.86);
  --bg-light: #1f2632;
  --text-main: #26231d;
  --text-soft: #5f5a51;
  --text-dark: #f6f0e6;
  --line: rgba(191, 127, 26, 0.34);
  --line-strong: rgba(191, 127, 26, 0.62);
  --accent: #a96714;
  --accent-deep: #8d5510;
  --accent-soft: #7d4a0a;
  --chip: rgba(169, 103, 20, 0.1);
  --shadow: 0 22px 60px -34px rgba(130, 90, 30, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Manrope', system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 18%, rgba(237, 188, 103, 0.2), transparent 34%),
    radial-gradient(circle at 87% 12%, rgba(81, 131, 180, 0.24), transparent 36%),
    linear-gradient(165deg, #111620 0%, var(--bg-main) 34%, #111620 100%);
  color: var(--text-main);
  line-height: 1.65;
  min-height: 100vh;
  min-height: 100dvh;
}

:root.light body {
  background:
    radial-gradient(circle at 8% 22%, rgba(191, 127, 26, 0.22), transparent 32%),
    radial-gradient(circle at 86% 12%, rgba(132, 170, 205, 0.3), transparent 34%),
    linear-gradient(165deg, #f8f2e8 0%, var(--bg-main) 36%, #f6efe3 100%);
}

h1,
h2,
h3,
.brand-title {
  font-family: 'DM Serif Display', serif;
  letter-spacing: 0.02em;
}

a {
  color: inherit;
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  background: var(--bg-glass);
}

.header-content {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 60px;
  height: auto;
  display: block;
  filter: drop-shadow(0 6px 15px rgba(237, 188, 103, 0.28));
}

.brand-title {
  color: var(--accent-soft);
  line-height: 1;
  font-size: 1.28rem;
}

.brand-sub {
  font-size: 0.82rem;
  color: var(--text-soft);
}

.header-links {
  display: none;
  align-items: center;
  gap: 1.1rem;
}

.header-links a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

.header-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--line-strong);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.header-links a:hover::after {
  transform: scaleX(1);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--accent-soft);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.btn-icon:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.icon {
  width: 20px;
  height: 20px;
}

.btn {
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  min-height: 42px;
  padding: 0.58rem 1.02rem;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--accent-deep), var(--accent));
  color: #110f0d;
  border-color: transparent;
}

.btn-outline {
  color: var(--accent-soft);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--line-strong);
  background: var(--chip);
}

.hero {
  padding: 5.4rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
  align-items: stretch;
}

.hero-content {
  position: relative;
}

.kicker,
.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--accent);
}

.hero-title {
  font-size: clamp(2.4rem, 7vw, 5.4rem);
  line-height: 0.95;
  margin-top: 0.5rem;
  max-width: 14ch;
}

.hero-text {
  margin-top: 1.1rem;
  max-width: 62ch;
  color: var(--text-soft);
}

.hero-cta {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.hero-tags {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.hero-tags li {
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--accent-soft);
  font-size: 0.77rem;
  font-weight: 700;
  padding: 0.32rem 0.62rem;
}

.hero-panel {
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(15, 20, 29, 0.82), rgba(26, 34, 47, 0.82));
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

:root.light .hero-panel {
  background: linear-gradient(165deg, rgba(255, 250, 242, 0.9), rgba(249, 241, 228, 0.9));
}

.hero-panel h2 {
  color: var(--accent-soft);
  font-size: clamp(1.75rem, 3.6vw, 2.24rem);
  line-height: 1;
  margin-bottom: 0.9rem;
}

.hero-panel ul {
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.hero-panel li {
  padding-left: 1rem;
  color: var(--text-soft);
  position: relative;
}

.hero-panel li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.64rem;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.hero-mini-metrics {
  margin-top: 1rem;
  display: grid;
  gap: 0.55rem;
}

.hero-mini-metrics article {
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: center;
}

.hero-mini-metrics span {
  color: var(--accent);
  font-weight: 800;
}

.hero-mini-metrics p {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.section {
  padding: 4.7rem 0;
}

.section-alt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 26, 0.5);
}

.section-light {
  background: var(--bg-light);
  color: var(--text-dark);
  border-top: 1px solid rgba(191, 127, 26, 0.25);
  border-bottom: 1px solid rgba(191, 127, 26, 0.25);
}

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

.section-head.left,
.section-lead.left {
  text-align: left;
}

.section-title {
  margin-top: 0.5rem;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 0.98;
}

.section-lead {
  margin: 0.95rem auto 0;
  max-width: 68ch;
  color: var(--text-soft);
}

.section-light .section-lead {
  color: rgba(45, 42, 37, 0.78);
}

.impact-grid {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.metric-card {
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(21, 28, 40, 0.9), rgba(15, 20, 30, 0.9));
  padding: 1.15rem;
  box-shadow: var(--shadow);
}

:root.light .metric-card {
  background: linear-gradient(165deg, rgba(255, 250, 242, 0.92), rgba(249, 241, 228, 0.92));
}

.metric-label {
  font-size: 0.79rem;
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  margin-top: 0.4rem;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: var(--accent-soft);
  line-height: 0.95;
}

:root.light .metric-value {
  color: var(--accent-deep);
}

.metric-copy {
  margin-top: 0.55rem;
  color: var(--text-soft);
}

.blueprint-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: 1fr;
  align-items: start;
}

.stack-lanes {
  display: grid;
  gap: 0.8rem;
}

.lane-card {
  border-left: 2px solid var(--line-strong);
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(19, 24, 33, 0.84);
  padding: 1rem;
}

:root.light .lane-card {
  background: rgba(255, 250, 242, 0.9);
}

.lane-card h3 {
  color: var(--accent-soft);
  font-size: 1.6rem;
  margin-bottom: 0.36rem;
}

:root.light .lane-card h3 {
  color: var(--accent-deep);
}

.lane-card p {
  color: var(--text-soft);
}

.flow-grid {
  margin-top: 1.9rem;
  display: grid;
  gap: 0.95rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.flow-card {
  border: 1px solid var(--line);
  background: rgba(19, 25, 35, 0.75);
  padding: 1rem;
}

:root.light .flow-card {
  background: rgba(255, 250, 242, 0.88);
}

.flow-card span {
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
  margin-bottom: 0.72rem;
}

.flow-card h3 {
  color: var(--accent-soft);
  font-size: 1.52rem;
  line-height: 1;
}

:root.light .flow-card h3 {
  color: var(--accent-deep);
}

.flow-card p {
  margin-top: 0.55rem;
  color: var(--text-soft);
}

.ai-grid {
  margin-top: 2rem;
  display: grid;
  gap: 0.95rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.ai-card {
  border: 1px solid rgba(191, 127, 26, 0.36);
  background: rgba(255, 252, 248, 0.94);
  padding: 1.1rem;
}

:root.light .ai-card {
  background: rgba(36, 44, 58, 0.93);
  border-color: rgba(248, 223, 175, 0.3);
}

.ai-card h3 {
  color: var(--accent-deep);
  font-size: 1.5rem;
  line-height: 1;
}

:root.light .ai-card h3 {
  color: var(--accent-soft);
}

.ai-card p {
  margin-top: 0.5rem;
  color: rgba(45, 42, 37, 0.85);
}

:root.light .ai-card p {
  color: rgba(244, 239, 230, 0.86);
}

.roadmap-box {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(20, 26, 37, 0.84), rgba(15, 20, 30, 0.84));
  box-shadow: var(--shadow);
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.25rem, 3.2vw, 2rem);
}

:root.light .roadmap-box {
  background: linear-gradient(160deg, rgba(255, 249, 240, 0.92), rgba(247, 239, 225, 0.92));
}

.roadmap-box h2 {
  margin-top: 0.55rem;
  font-size: clamp(2rem, 4.3vw, 3rem);
  line-height: 0.98;
  color: var(--accent-soft);
}

:root.light .roadmap-box h2 {
  color: var(--accent-deep);
}

.roadmap-box p {
  margin-top: 0.68rem;
  color: var(--text-soft);
}

.roadmap-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 1.4rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--chip);
  color: var(--accent-soft);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.58s ease, transform 0.58s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 860px) {
  .header-links {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 1.8rem;
  }

  .blueprint-grid {
    grid-template-columns: 0.96fr 1.04fr;
    gap: 1.8rem;
  }

  .roadmap-box {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
  }

  .roadmap-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 760px) {
  .brand-sub,
  .header-links {
    display: none;
  }

  .brand-logo {
    width: 60px;
  }
}

@media (max-width: 560px) {
  .header-controls .btn {
    display: none;
  }

  .hero-title {
    max-width: none;
    line-height: 1;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}