:root {
  color-scheme: light;
  --paper: #f7f1e8;
  --paper-warm: #fffaf3;
  --paper-deep: #efe3d3;
  --ink: #211a16;
  --ink-soft: #5f5148;
  --muted: #8a7769;
  --hairline: rgba(73, 50, 35, 0.16);
  --hairline-strong: rgba(73, 50, 35, 0.28);
  --red: #d92d20;
  --red-deep: #9e1710;
  --orange: #ff7a1a;
  --orange-soft: #ffe1bf;
  --blue: #144d78;
  --green: #147f55;
  --white: #ffffff;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0) 460px),
    var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(33, 26, 22, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 26, 22, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.14));
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 122, 26, 0.2), transparent 28%),
    radial-gradient(circle at 12% 78%, rgba(217, 45, 32, 0.13), transparent 30%);
  opacity: 0.7;
}

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

img,
video {
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(247, 241, 232, 0.84);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border: 1px solid var(--red);
  border-radius: 7px;
  background: var(--paper-warm);
}

.brand-mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 5px;
  width: 2px;
  height: 13px;
  background: var(--red);
  transform: translateX(-50%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  transform: translateX(-50%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--red);
  border-color: var(--hairline-strong);
  background: rgba(255, 250, 243, 0.78);
  outline: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: clamp(30px, 5vw, 74px);
  align-items: center;
  min-height: 92svh;
  padding: 114px clamp(20px, 5vw, 78px) 56px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}

.hero-media {
  position: absolute;
  right: -7vw;
  top: 72px;
  z-index: -3;
  width: min(880px, 62vw);
  height: 62vh;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.9) contrast(1.05);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-scrim,
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-scrim {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(247, 241, 232, 0.98) 0%, rgba(247, 241, 232, 0.9) 55%, rgba(247, 241, 232, 0.46) 100%),
    linear-gradient(180deg, rgba(255, 250, 243, 0.92) 0%, rgba(247, 241, 232, 0) 60%);
}

.hero-grid {
  z-index: -1;
  background:
    repeating-linear-gradient(90deg, transparent 0 132px, rgba(217, 45, 32, 0.11) 133px, transparent 134px),
    repeating-linear-gradient(0deg, transparent 0 86px, rgba(33, 26, 22, 0.05) 87px, transparent 88px);
  opacity: 0.64;
}

.hero-content {
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 780px;
  font-size: 86px;
}

.hero h1 span {
  display: block;
}

.hero-subtitle {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--ink);
  font-size: 29px;
  font-weight: 900;
  line-height: 1.32;
}

.hero-copy {
  max-width: 780px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.85;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 13px;
  border: 1px solid rgba(217, 45, 32, 0.24);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.82);
  color: var(--red-deep);
  font-size: 14px;
  font-weight: 900;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 19px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 900;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--orange));
  color: var(--white);
  box-shadow: 0 16px 34px rgba(217, 45, 32, 0.24);
}

.btn-secondary {
  border-color: var(--hairline-strong);
  background: rgba(255, 250, 243, 0.82);
  color: var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 20px 42px rgba(217, 45, 32, 0.3);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(217, 45, 32, 0.5);
  color: var(--red);
  background: var(--white);
}

.btn.full {
  width: 100%;
}

.btn-icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.arrow-icon::before,
.arrow-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);
}

.arrow-icon::before {
  width: 13px;
  height: 2px;
  background: currentColor;
}

.arrow-icon::after {
  width: 8px;
  height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.repo-icon {
  border: 2px solid currentColor;
  border-radius: 50%;
}

.repo-icon::before,
.repo-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  background: currentColor;
  transform: translateX(-50%);
}

.repo-icon::before {
  top: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.repo-icon::after {
  bottom: 2px;
  width: 2px;
  height: 6px;
}

.hero-console {
  position: relative;
  align-self: center;
  width: 100%;
  border: 1px solid rgba(217, 45, 32, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 250, 243, 0.84);
  box-shadow:
    0 30px 80px rgba(101, 62, 29, 0.16),
    16px 16px 0 rgba(255, 122, 26, 0.18);
  overflow: hidden;
}

.hero-console::before {
  content: "";
  position: absolute;
  inset: -1px auto auto -1px;
  width: 36%;
  height: 5px;
  background: var(--red);
}

.console-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.live-dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  white-space: nowrap;
}

.live-dot::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(20, 127, 85, 0.12);
}

.console-preview {
  position: relative;
  height: 255px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-deep);
}

.console-preview video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
}

.console-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 250, 243, 0.02), rgba(72, 36, 18, 0.12)),
    repeating-linear-gradient(0deg, transparent 0 9px, rgba(255, 255, 255, 0.18) 10px);
  pointer-events: none;
}

.console-preview span {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  padding: 7px 9px;
  border: 1px solid rgba(217, 45, 32, 0.28);
  border-radius: 6px;
  background: rgba(255, 250, 243, 0.88);
  color: var(--red-deep);
  font-size: 13px;
  font-weight: 900;
}

.preview-scan {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.preview-scan::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), var(--red), transparent);
  box-shadow: 0 0 22px rgba(255, 122, 26, 0.64);
  animation: console-scan 4.6s linear infinite;
}

@keyframes console-scan {
  0% {
    transform: translateY(0);
    opacity: 0;
  }

  8% {
    opacity: 1;
  }

  92% {
    opacity: 1;
  }

  100% {
    transform: translateY(255px);
    opacity: 0;
  }
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--hairline);
}

.console-metrics div {
  padding: 18px 16px;
  border-right: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.42);
}

.console-metrics div:last-child {
  border-right: 0;
}

.console-metrics strong {
  display: block;
  color: var(--red);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 40px;
  line-height: 1;
}

.console-metrics span {
  display: block;
  margin-top: 7px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.console-track {
  display: grid;
  gap: 10px;
  padding: 16px;
  background: rgba(255, 250, 243, 0.6);
}

.track-item {
  position: relative;
  min-height: 38px;
  padding: 10px 12px 10px 38px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.track-item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: var(--muted);
}

.track-item.active::before {
  background: var(--green);
}

.track-item.warning::before {
  background: var(--orange);
}

.section {
  padding: clamp(78px, 8vw, 122px) clamp(20px, 5vw, 78px);
  border-bottom: 1px solid var(--hairline);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.section-heading {
  max-width: 790px;
}

.section-heading.centered {
  margin: 0 auto;
  text-align: center;
}

.section h2 {
  font-size: 54px;
  line-height: 1.12;
}

.section-heading p:not(.eyebrow) {
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.85;
}

.section-problem {
  background:
    linear-gradient(90deg, rgba(255, 122, 26, 0.11), rgba(255, 255, 255, 0) 46%),
    var(--paper-warm);
}

.evidence-panel {
  border: 1px solid rgba(217, 45, 32, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: 12px 12px 0 rgba(217, 45, 32, 0.08);
}

.evidence-number {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hairline);
}

.evidence-number span {
  color: var(--red);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 88px;
  font-weight: 900;
  line-height: 0.95;
}

.evidence-panel p {
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.82;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.source-links a {
  padding: 8px 10px;
  border: 1px solid rgba(217, 45, 32, 0.28);
  border-radius: 999px;
  background: rgba(255, 225, 191, 0.42);
  color: var(--red-deep);
  font-size: 13px;
  font-weight: 900;
}

.source-links a:hover,
.source-links a:focus-visible {
  border-color: var(--red);
  background: rgba(255, 225, 191, 0.68);
  outline: none;
}

.shift-section {
  background: var(--paper);
}

.shift-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 116px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 46px;
}

.mode-card {
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
}

.mode-card h3 {
  margin: 0 0 20px;
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 27px;
}

.mode-card ol {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.mode-card li {
  position: relative;
  min-height: 34px;
  padding-left: 44px;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.68;
  counter-increment: step;
}

.mode-card li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.mode-card.passive {
  color: var(--ink-soft);
}

.mode-card.active-mode {
  border-color: rgba(217, 45, 32, 0.34);
  background:
    linear-gradient(135deg, rgba(255, 225, 191, 0.54), rgba(255, 255, 255, 0.7));
}

.mode-card.active-mode h3 {
  color: var(--red-deep);
}

.mode-card.active-mode li::before {
  border-color: rgba(217, 45, 32, 0.55);
  color: var(--red);
}

.shift-axis {
  display: grid;
  place-items: center;
  min-height: 100%;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.shift-axis span {
  position: relative;
  display: inline-flex;
  justify-content: center;
  width: 100%;
  writing-mode: vertical-rl;
}

.shift-axis span::before,
.shift-axis span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 2px;
  height: 46px;
  background: var(--orange);
  transform: translateX(-50%);
}

.shift-axis span::before {
  top: -58px;
}

.shift-axis span::after {
  bottom: -58px;
}

.system-section {
  background:
    linear-gradient(180deg, rgba(255, 122, 26, 0.09), rgba(255, 255, 255, 0) 44%),
    var(--paper-warm);
}

.layer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 46px;
}

.layer-card {
  min-width: 0;
  border: 1px solid rgba(217, 45, 32, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  overflow: hidden;
}

.layer-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--hairline);
}

.layer-card div {
  padding: 21px;
}

.layer-index {
  display: block;
  margin-bottom: 10px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.layer-card h3,
.tech-grid h3 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 25px;
  line-height: 1.25;
}

.layer-card p,
.tech-grid p {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.78;
}

.demo-section {
  background: var(--paper);
}

.roadmap-showcase {
  margin-top: 46px;
}

.roadmap-frame {
  margin: 0;
  padding: 28px;
  border: 1px solid rgba(217, 45, 32, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 225, 191, 0.54), rgba(255, 255, 255, 0.78)),
    var(--paper-warm);
  box-shadow: 18px 18px 0 rgba(255, 122, 26, 0.14);
}

.roadmap-frame img {
  display: block;
  width: 90%;
  height: auto;
  margin: 0 auto;
  border: 1px solid rgba(73, 50, 35, 0.1);
  border-radius: 6px;
  background: var(--white);
}

#demo-title {
  display: inline-block;
  transform: scaleX(1.06);
  transform-origin: center;
}

#demo .section-heading {
  max-width: 1040px;
}

#demo .section-heading p:not(.eyebrow) {
  white-space: nowrap;
}

.roadmap-actions {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

.tech-section {
  background:
    linear-gradient(90deg, rgba(217, 45, 32, 0.08), rgba(255, 255, 255, 0) 52%),
    var(--paper-warm);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 46px;
}

.tech-grid article {
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
}

.tech-grid article:first-child {
  border-color: rgba(217, 45, 32, 0.34);
  background: rgba(255, 225, 191, 0.48);
}

.materials-section {
  background:
    linear-gradient(180deg, rgba(255, 122, 26, 0.08), rgba(255, 255, 255, 0) 48%),
    var(--paper);
}

.materials-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  gap: 22px;
  align-items: stretch;
  margin-top: 46px;
}

.material-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(217, 45, 32, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 12px 12px 0 rgba(217, 45, 32, 0.08);
}

.material-preview {
  position: relative;
  display: block;
  width: 100%;
  height: 520px;
  min-height: 0;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-warm);
  cursor: zoom-in;
  overflow: hidden;
}

.material-preview img,
.material-preview object {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.material-preview object {
  background: var(--white);
}

.material-zoom {
  position: absolute;
  right: 16px;
  bottom: 16px;
  padding: 8px 11px;
  border: 1px solid rgba(217, 45, 32, 0.28);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.9);
  color: var(--red-deep);
  font-size: 12px;
  font-weight: 900;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.material-preview:hover .material-zoom,
.material-preview:focus-visible .material-zoom {
  opacity: 1;
  transform: translateY(0);
}

.material-caption {
  flex: 1;
  padding: 22px;
}

.material-caption h3 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 25px;
  line-height: 1.25;
}

.material-caption p {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.78;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(18, 14, 12, 0.78);
  backdrop-filter: blur(8px);
}

.lightbox.is-open {
  display: flex;
}

.lightbox-content {
  width: min(1180px, 100%);
  height: min(86vh, 920px);
  border-radius: var(--radius);
  background: var(--paper-warm);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
  overflow: hidden;
}

.lightbox-content img,
.lightbox-content iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
  background: var(--paper-warm);
}

.lightbox-close {
  position: fixed;
  right: 24px;
  top: 20px;
  z-index: 61;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.92);
  color: var(--ink);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.final-cta {
  background:
    linear-gradient(135deg, rgba(217, 45, 32, 0.14), rgba(255, 122, 26, 0.16)),
    var(--paper);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.cta-inner h2 {
  max-width: 820px;
  font-size: 48px;
  line-height: 1.18;
}

.cta-actions {
  margin-top: 0;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 78px);
  color: var(--muted);
  font-size: 14px;
  background: var(--paper-warm);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-media {
    width: 100%;
    height: 52vh;
    right: 0;
    opacity: 0.12;
    clip-path: none;
  }

  .hero-console {
    max-width: 720px;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .layer-grid,
  .tech-grid,
  .materials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-inner {
    display: block;
  }

  .cta-actions {
    justify-content: flex-start;
    margin-top: 26px;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: sticky;
    padding: 14px 18px;
  }

  .brand {
    font-size: 13px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 58px 18px 48px;
  }

  .hero h1 {
    font-size: 49px;
  }

  .hero-subtitle {
    font-size: 24px;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.76;
  }

  .hero-actions,
  .cta-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .console-preview {
    height: 205px;
  }

  .console-metrics {
    grid-template-columns: 1fr;
  }

  .console-metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }

  .console-metrics div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 66px 18px;
  }

  .section h2 {
    font-size: 38px;
  }

  #demo .section-heading p:not(.eyebrow) {
    white-space: normal;
  }

  .evidence-number {
    grid-template-columns: 1fr;
  }

  .evidence-number span {
    font-size: 76px;
  }

  .shift-grid,
  .layer-grid,
  .tech-grid,
  .materials-grid {
    grid-template-columns: 1fr;
  }

  .material-preview {
    height: 420px;
  }

  .lightbox {
    padding: 56px 14px 18px;
  }

  .shift-axis {
    min-height: 64px;
  }

  .shift-axis span {
    writing-mode: horizontal-tb;
  }

  .shift-axis span::before,
  .shift-axis span::after {
    top: 50%;
    width: 36px;
    height: 2px;
    transform: translateY(-50%);
  }

  .shift-axis span::before {
    left: 16px;
  }

  .shift-axis span::after {
    right: 16px;
    bottom: auto;
    left: auto;
  }

  .roadmap-frame {
    padding: 14px;
  }

  .cta-inner h2 {
    font-size: 35px;
  }

  .site-footer {
    display: grid;
    padding: 22px 18px;
  }
}