/* Sections — layout shells; type lives in typography.css */

.section-head {
  text-align: center;
  max-width: var(--measure-wide, 46rem);
  margin: 0 auto clamp(48px, 6vw, 80px);
}

.section-head .eyebrow { display: inline-block; }

/* ── Hero — CAD PDF light-streak sci-fi ── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--nav-h) + 56px);
  padding-bottom: clamp(72px, 10vw, 110px);
  overflow: hidden;
}

.hero-bg {
  --parallax-x: 0;
  --parallax-y: 0;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--muted-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--muted-line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 10%, transparent 72%);
  opacity: 1;
  translate: calc(var(--parallax-x) * 6px) calc(var(--parallax-y) * 4px);
}

.hero-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 48% 40% at 72% 20%, rgba(61, 168, 255, 0.1), transparent 58%),
    radial-gradient(ellipse 36% 32% at 16% 72%, rgba(255, 255, 255, 0.03), transparent 55%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(61, 168, 255, 0.04), transparent 60%),
    linear-gradient(180deg, #050506 0%, var(--bg) 58%, var(--bg) 100%);
  translate: calc(var(--parallax-x) * 12px) calc(var(--parallax-y) * 8px);
}

.hero-streak {
  position: absolute;
  width: 140%;
  height: 220px;
  right: -30%;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.55;
  mix-blend-mode: screen;
}

.hero-streak--a {
  top: 8%;
  background: linear-gradient(105deg,
    transparent 10%,
    rgba(61, 168, 255, 0.38) 35%,
    rgba(61, 168, 255, 0.12) 55%,
    transparent 78%);
  transform: rotate(-18deg);
  opacity: 0.42;
  translate: calc(var(--parallax-x) * 26px) calc(var(--parallax-y) * 10px);
  animation: streakDrift 12s ease-in-out infinite alternate;
}

.hero-streak--b {
  top: 28%;
  height: 140px;
  background: linear-gradient(100deg,
    transparent 20%,
    rgba(107, 192, 255, 0.28) 45%,
    rgba(61, 168, 255, 0.12) 60%,
    transparent 85%);
  transform: rotate(-12deg);
  opacity: 0.32;
  translate: calc(var(--parallax-x) * -18px) calc(var(--parallax-y) * 14px);
  animation: streakDrift 16s ease-in-out infinite alternate-reverse;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  mix-blend-mode: screen;
}

.hero-orb--cyan {
  width: min(420px, 55vw);
  height: min(420px, 55vw);
  right: 5%;
  top: 12%;
  background: radial-gradient(circle, rgba(61, 168, 255, 0.45), transparent 68%);
  translate: calc(var(--parallax-x) * 22px) calc(var(--parallax-y) * 14px);
  animation: orbPulse 7s ease-in-out infinite;
}

.hero-orb--violet {
  width: min(320px, 40vw);
  height: min(320px, 40vw);
  left: 8%;
  bottom: 18%;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.28), transparent 70%);
  translate: calc(var(--parallax-x) * -16px) calc(var(--parallax-y) * 12px);
  animation: orbPulse 9s ease-in-out infinite reverse;
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.32) 0%,
    rgba(0, 0, 0, 0.1) 38%,
    rgba(0, 0, 0, 0.88) 100%
  );
}

/* ── Hero video carousel ── */
.hero-video-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: #000000;
}

.hero-video-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.85s ease;
}

.hero-video-slide.is-active {
  opacity: 1;
}

.hero-video-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero--video .hero-bg {
  z-index: 1;
}

.hero--video .hero-glow {
  background:
    radial-gradient(ellipse 48% 40% at 74% 18%, rgba(61, 168, 255, 0.08), transparent 58%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.22) 0%, rgba(0, 0, 0, 0.55) 100%);
}

.hero--video .hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.26) 42%,
    rgba(0, 0, 0, 0.84) 100%
  );
}

.hero--video .hero-grid {
  opacity: 0.35;
}

.hero-bottom-dock {
  position: absolute;
  left: 50%;
  bottom: clamp(72px, 11vh, 128px);
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.hero-funnel-copy .hero-actions {
  justify-content: flex-start;
  margin: 4px 0 8px;
}

.hero-carousel-bar {
  position: relative;
  left: auto;
  bottom: auto;
  transform: none;
  z-index: auto;
  display: flex;
  justify-content: center;
}

.hero-carousel-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(10, 10, 12, 0.55);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}

.hero-carousel-seg {
  position: relative;
  width: 34px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  overflow: hidden;
  cursor: pointer;
  appearance: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-carousel-seg:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scaleY(1.2);
}

.hero-carousel-seg.is-done {
  background: rgba(255, 255, 255, 0.45);
}

.hero-carousel-seg.is-active {
  background: rgba(255, 255, 255, 0.22);
}

.hero-carousel-fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: #3DA8FF;
  box-shadow: 0 0 10px rgba(61, 168, 255, 0.55);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.hero-carousel-seg.is-done .hero-carousel-fill {
  background: rgba(255, 255, 255, 0.7);
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-video-slide { transition: none; }
}

@keyframes streakDrift {
  from { transform: rotate(-18deg) translateX(0); }
  to { transform: rotate(-14deg) translateX(-3%); }
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.hero-content { position: relative; z-index: 2; width: 100%; }

.hero-inner {
  max-width: min(920px, 92vw);
  margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: clamp(16px, 2vw, 22px);
  max-width: 36em;
  line-height: 1.4;
  text-shadow: none;
}

.hero-brand {
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: clamp(16px, 2vw, 22px);
  text-shadow: none;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.18;
  color: var(--text);
  max-width: 16em;
  margin-bottom: clamp(14px, 2vw, 18px);
}

.hero-lead {
  font-size: clamp(19px, 1.8vw, 21px);
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.47;
  letter-spacing: -0.011em;
  max-width: 28em;
  margin-bottom: clamp(28px, 3.5vw, 36px);
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}

/* ── Intro band ── */
.intro-band {
  padding: calc(var(--section-y) * 1.05) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

#intro-text {
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-2);
  max-width: 42rem;
  letter-spacing: -0.015em;
}

#intro-text em { font-style: normal; color: var(--text); font-weight: 500; }

#intro-text .intro-rotate {
  display: inline-block; min-width: 10ch;
  color: var(--accent); font-weight: 600;
}

#intro-text .intro-rotate-in { animation: introWordIn 0.45s ease; }

@keyframes introWordIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ── Stats ── */
.stats { border-bottom: 1px solid var(--border); background: var(--bg-gradient-soft); }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: var(--max); margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.stat {
  padding: clamp(36px, 5vw, 56px) clamp(16px, 2.5vw, 32px);
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }

.stat-val {
  font-size: clamp(36px, 4vw, 52px); font-weight: 600;
  letter-spacing: -0.04em; line-height: 1; margin-bottom: 12px;
  text-shadow: 0 0 32px rgba(61, 168, 255, 0.25);
}
.stat-val span { font-size: 0.45em; color: var(--accent); font-weight: 500; margin-left: 2px; }
.stat-label { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 6px; }
.stat-ctx { font-size: 12.5px; color: var(--text-3); line-height: 1.55; }

/* ── Capabilities / product stack ── */
.capabilities { padding: calc(var(--section-y) * 0.85) 0; background: var(--bg); }
.product-stack { display: flex; flex-direction: column; gap: 14px; }

.product-card {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0;
  border: 1px solid var(--border); overflow: hidden;
  background: linear-gradient(180deg, #0a0a0a 0%, #050505 100%);
  transition: background 0.25s ease;
}
.product-card:last-child { border-bottom: 1px solid var(--border); }
.product-card:hover {
  background: linear-gradient(180deg, #111111 0%, #080808 100%);
}

.product-visual {
  position: relative; min-height: clamp(280px, 36vw, 420px);
  overflow: hidden; background: #050506;
}

.product-visual-shade {
  position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: linear-gradient(90deg, rgba(0,0,0,.12), rgba(0,0,0,.58));
}
.product-card.reverse .product-visual-shade {
  background: linear-gradient(270deg, rgba(0,0,0,.12), rgba(0,0,0,.58));
}

.layer-chip {
  position: absolute; top: 20px; left: 20px; z-index: 3;
  padding: 6px 12px; border-radius: var(--pill);
  background: rgba(8, 8, 10, .65); border: 1px solid var(--border);
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-2);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}

.product-body {
  padding: clamp(32px, 5vw, 56px) clamp(28px, 5vw, 64px);
  display: flex; flex-direction: column; justify-content: center; max-width: 640px;
}
.product-body h3 {
  font-size: clamp(24px, 2.8vw, 36px); font-weight: 600;
  letter-spacing: -0.03em; margin-bottom: 14px; line-height: 1.15;
}
.product-desc {
  font-size: 15px; color: var(--text-2); line-height: 1.75;
  letter-spacing: -0.01em; margin-bottom: 24px;
}
.product-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--text);
  opacity: 0.72; transition: opacity 0.15s ease; width: fit-content;
}
.product-link:hover { opacity: 1; transform: none; }
.product-card.reverse { direction: rtl; }
.product-card.reverse > * { direction: ltr; }

.cap-visual { position: absolute; inset: 0; z-index: 1; }

.cap-visual--grid .cap-grid-plane {
  position: absolute; inset: 12% 8% 18% 8%;
  background-image:
    linear-gradient(rgba(61,168,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,168,255,.12) 1px, transparent 1px);
  background-size: 36px 36px;
  transform: perspective(600px) rotateX(52deg);
  transform-origin: center top;
  border: 1px solid rgba(61,168,255,.18);
  mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.cap-visual--grid .cap-grid-scan {
  position: absolute; left: 10%; right: 10%; top: 28%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7; animation: capScan 4.5s ease-in-out infinite;
}

.cap-visual--bars {
  display: flex; align-items: flex-end; justify-content: center;
  gap: 14px; padding: 18% 14% 16%;
}
.cap-visual--bars span {
  flex: 1; max-width: 48px; height: var(--h);
  background: linear-gradient(180deg, var(--accent), rgba(61,168,255,.15));
  border-radius: 2px 2px 0 0; opacity: 0.85;
}

.cap-visual--loop { display: flex; align-items: center; justify-content: center; }
.cap-loop-ring {
  width: min(220px, 48vw); height: min(220px, 48vw);
  border-radius: 50%; border: 1px solid rgba(61,168,255,.28);
  box-shadow: inset 0 0 40px rgba(61,168,255,.08);
}
.cap-loop-nodes {
  position: absolute; width: min(220px, 48vw); height: min(220px, 48vw);
}
.cap-loop-nodes i {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px rgba(61,168,255,.55);
}
.cap-loop-nodes i:nth-child(1) { top: 0; left: 50%; transform: translate(-50%, -50%); }
.cap-loop-nodes i:nth-child(2) { top: 28%; right: 4%; }
.cap-loop-nodes i:nth-child(3) { bottom: 12%; right: 18%; }
.cap-loop-nodes i:nth-child(4) { bottom: 12%; left: 18%; }
.cap-loop-nodes i:nth-child(5) { top: 28%; left: 4%; }

@keyframes capScan {
  0%, 100% { top: 22%; opacity: 0.35; }
  50% { top: 58%; opacity: 0.9; }
}


/* ── Standards ── */
.standards {
  padding: var(--section-y) 0;
  background: var(--bg);
}

.standards-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.standard-item {
  padding: clamp(28px, 3.2vw, 36px) clamp(18px, 2.2vw, 28px);
  border-right: 1px solid var(--border);
  border-bottom: none;
  transition: background 0.25s;
}

.standard-item:nth-child(4n) { border-right: none; }

.standard-item:hover {
  background: transparent;
}

.standard-num {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 18px;
}

.standard-item h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.standard-item p {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Tracks ── */
.tracks {
  padding: var(--section-y) 0;
  background: var(--bg-gradient-soft);
  border-top: 1px solid var(--border);
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  background: transparent;
  border: none;
}

.track-item {
  padding: clamp(32px, 3.8vw, 44px) clamp(24px, 3vw, 36px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s;
}

.track-item:nth-child(2n) {
  padding-left: clamp(24px, 3vw, 36px);
}

.track-item:hover {
  background: transparent;
}

.track-item h3 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 12px;
}

.track-scene {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.47;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
  max-width: 42ch;
}

.track-metric {
  font-family: var(--sans);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.track-ctx {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.45;
  letter-spacing: -0.008em;
}

.tracks-note {
  margin-top: 22px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: -0.005em;
  color: var(--text-3);
  line-height: 1.5;
}

.tracks-more {
  margin-top: clamp(40px, 5vw, 56px);
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.tracks-more-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

.tracks-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.tracks-tags span {
  font-size: 13px;
  color: var(--text-2);
  position: relative;
  padding-left: 14px;
}

.tracks-tags span::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

/* ── Loop ── */
.loop {
  padding: var(--section-y) 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.loop-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.loop-step {
  flex: 1;
  position: relative;
  padding: clamp(24px, 3vw, 32px) clamp(16px, 2vw, 22px);
  border-right: 1px solid var(--border);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease, background 0.25s;
}

.loop-step:last-child { border-right: none; }

.loop-step:hover { background: transparent; }

.loop-flow.is-visible .loop-step {
  opacity: 1;
  transform: none;
}

.loop-flow.is-visible .loop-step:nth-child(1) { transition-delay: 0.05s; }
.loop-flow.is-visible .loop-step:nth-child(2) { transition-delay: 0.12s; }
.loop-flow.is-visible .loop-step:nth-child(3) { transition-delay: 0.19s; }
.loop-flow.is-visible .loop-step:nth-child(4) { transition-delay: 0.26s; }
.loop-flow.is-visible .loop-step:nth-child(5) { transition-delay: 0.33s; }

.loop-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--accent-line);
  border-top: 1px solid var(--accent-line);
  transform: rotate(45deg);
  background: var(--bg);
  z-index: 1;
}

.loop-index {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 14px;
}

.loop-step h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.loop-step p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.45;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

/* ── Contrast ── */
.contrast {
  padding: var(--section-y) 0;
  background: var(--bg-gradient-soft);
  border-top: 1px solid var(--border);
}

.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  border: none;
  overflow: visible;
}

.contrast-col {
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3.5vw, 40px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.contrast-col.is-left {
  opacity: 0.72;
  border-right: 1px solid var(--border);
}

.contrast-col.is-right {
  background: transparent;
  padding-left: clamp(24px, 3.5vw, 40px);
  border-color: rgba(61, 168, 255, 0.28);
  box-shadow: inset 3px 0 0 var(--accent);
}

.contrast-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.contrast-col.is-left .contrast-label { color: var(--text-3); }
.contrast-col.is-right .contrast-label { color: var(--accent); }

.contrast-col ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contrast-col li {
  font-size: 16px;
  line-height: 1.47;
  letter-spacing: -0.014em;
  padding-left: 16px;
  position: relative;
  color: var(--text-2);
}

.contrast-col.is-right li { color: var(--text); }

.contrast-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.contrast-col.is-right li::before {
  background: var(--accent);
  opacity: 0.9;
}

.contrast-close {
  margin-top: clamp(36px, 4.5vw, 52px);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.25;
  max-width: 34ch;
  color: var(--text);
  border-left: 2px solid var(--accent);
  padding-left: 18px;
}

/* ── CTA ── */
.cta {
  padding: var(--section-y) 0;
  background:
    radial-gradient(ellipse 50% 48% at 78% 8%, rgba(61, 168, 255, 0.08), transparent 55%),
    radial-gradient(ellipse 38% 36% at 12% 92%, rgba(255, 255, 255, 0.025), transparent 50%),
    var(--bg-gradient-deep);
  border-top: 1px solid var(--border);
}

.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.cta-copy h2 {
  font-size: clamp(32px, 4.2vw, 48px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 16px;
}

.cta-copy p {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.47;
  letter-spacing: -0.011em;
  max-width: 38ch;
}

/* ── Page hero (inner pages) ── */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 clamp(40px, 5vw, 64px);
  background:
    radial-gradient(ellipse 52% 72% at 82% 0%, rgba(61, 168, 255, 0.07), transparent 55%),
    radial-gradient(ellipse 38% 50% at 8% 100%, rgba(255, 255, 255, 0.02), transparent 50%),
    var(--bg-gradient-soft);
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
}

.page-hero::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(180px, 40vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 16px rgba(61, 168, 255, 0.5);
}

.page-hero-inner {
  max-width: 42rem;
  margin: 0 auto;
}

.page-hero-inner h1 {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.12;
  margin-bottom: 16px;
}

.page-hero-sub {
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.5;
  letter-spacing: -0.011em;
  max-width: 32em;
  margin: 0 auto;
}

/* Company about — office photo hero */
.page-hero--company {
  min-height: clamp(320px, 48vw, 520px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--nav-h) + 56px) 0 clamp(48px, 7vw, 80px);
  background: #050506;
  border-bottom: none;
  overflow: hidden;
}

.page-hero--company .page-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-hero--company .page-hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  display: block;
  transform: scale(1.02);
}

.page-hero--company .page-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.28) 38%, rgba(0, 0, 0, 0.72) 78%, #000000 100%),
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.55) 70%);
}

.page-hero--company .container {
  position: relative;
  z-index: 1;
}

.page-hero--company .page-hero-inner {
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.45);
}

.page-hero--company .page-hero-sub {
  color: rgba(245, 245, 247, 0.82);
}

.page-hero--company::after {
  width: min(220px, 48vw);
  opacity: 0.85;
}

/* Method — delivery methodology photo hero */
.page-hero--method {
  min-height: clamp(320px, 48vw, 520px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--nav-h) + 56px) 0 clamp(48px, 7vw, 80px);
  background: #050506;
  border-bottom: none;
  overflow: hidden;
}

.page-hero--method .page-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-hero--method .page-hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  display: block;
  transform: scale(1.02);
}

.page-hero--method .page-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.28) 38%, rgba(0, 0, 0, 0.72) 78%, #000000 100%),
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.55) 70%);
}

.page-hero--method .container {
  position: relative;
  z-index: 1;
}

.page-hero--method .page-hero-inner {
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.45);
}

.page-hero--method .page-hero-sub {
  color: rgba(245, 245, 247, 0.82);
}

.page-hero--method::after {
  width: min(220px, 48vw);
  opacity: 0.85;
}

.intro-band--page {
  border-top: none;
}

/* ── Home explore links ── */
.home-links {
  padding: var(--section-y) 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.home-link-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  background: transparent;
  border: none;
}

.home-link-card {
  display: block;
  padding: clamp(28px, 3.5vw, 40px) clamp(20px, 2.5vw, 32px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s, box-shadow 0.25s, transform 0.2s;
}

.home-link-card:hover {
  background: transparent;
}

.home-link-num {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 14px;
}

.home-link-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.home-link-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* ── Home CTA banner ── */
.cta--compact {
  position: relative;
  border-top: none;
  background:
    radial-gradient(ellipse 55% 45% at 50% 0%, rgba(61, 168, 255, 0.06), transparent 68%),
    linear-gradient(180deg, #080809 0%, #040405 55%, #000000 100%);
}

.cta--compact::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(40px, 6vw, 72px);
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, #000000 100%);
}

.cta-banner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(36px, 5vw, 56px) 0;
}

.cta-banner-copy {
  max-width: 36rem;
}

.cta-banner-copy h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.cta-banner-copy p {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.5;
  letter-spacing: -0.011em;
}

/* ── Prove-First / 先验模式 ── */
.page-hero--prove {
  min-height: clamp(320px, 48vw, 520px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: calc(var(--nav-h) + 56px) 0 clamp(48px, 6vw, 72px);
  background: #050506;
  border-bottom: none;
  overflow: hidden;
}

.page-hero--prove .page-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-hero--prove .page-hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transform: scale(1.02);
}

.page-hero--prove .page-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.42) 36%, rgba(0, 0, 0, 0.78) 78%, #000000 100%),
    radial-gradient(ellipse 70% 55% at 50% 38%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.62) 72%);
}

.page-hero--prove .container {
  position: relative;
  z-index: 1;
}

.page-hero--prove .page-hero-inner {
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.45);
}

.page-hero--prove .page-hero-sub {
  color: rgba(245, 245, 247, 0.82);
}

.page-hero--prove::after {
  width: min(220px, 48vw);
  opacity: 0.85;
}

.prove-slogan {
  margin: 28px auto 0;
  max-width: 28ch;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text);
  text-align: center;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.5);
}

.prove-slogan-long {
  margin: 14px auto 0;
  max-width: 42rem;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.65;
  color: rgba(245, 245, 247, 0.82);
  text-align: center;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.45);
}

.prove-define {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.prove-definition {
  max-width: 46rem;
  margin: 0 auto 28px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 2px solid rgba(255, 255, 255, 0.35);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: var(--text);
  letter-spacing: -0.01em;
  background: transparent;
}

.prove-define #prove-lead,
.prove-define > .container > p:last-child {
  max-width: 42rem;
  margin: 0 auto;
  text-align: left;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.75;
  color: var(--text-2);
  letter-spacing: -0.01em;
}

.prove-flow {
  padding: var(--section-y) 0;
  background: var(--bg-gradient-soft);
  border-bottom: 1px solid var(--border);
}

.prove-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.prove-step {
  padding: clamp(28px, 3.5vw, 40px) clamp(18px, 2.2vw, 28px);
  border-right: 1px solid var(--border);
  position: relative;
}

.prove-step:last-child { border-right: none; }

.prove-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 42px;
  right: -5px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--accent-line);
  border-top: 1px solid var(--accent-line);
  transform: rotate(45deg);
  background: var(--bg);
  z-index: 1;
}

.prove-step-num {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 16px;
}

.prove-step h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.prove-step p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.prove-why {
  padding: var(--section-y) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.prove-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: none;
  background: transparent;
}

.prove-why-item {
  padding: clamp(28px, 3.5vw, 40px) clamp(22px, 2.5vw, 32px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.prove-why-item:last-child { border-right: 1px solid var(--border); }

.prove-why-item h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.prove-why-item p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.55;
}

.prove-note {
  padding: clamp(48px, 6vw, 80px) 0;
  background: var(--bg-gradient-soft);
  border-bottom: 1px solid var(--border);
}

.prove-note-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  border: none;
  background: transparent;
}

.prove-note-col {
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3vw, 40px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  border-radius: var(--radius-md);
}

.prove-note-col:last-child { border-right: 1px solid var(--border); }

.prove-note-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 12px;
}

.prove-note-col h3 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.prove-note-line {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.55;
  max-width: 36ch;
  margin-bottom: 8px;
}

.prove-note-line:last-child { margin-bottom: 0; }

.prove-note-en {
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: -0.01em;
  margin: -4px 0 12px;
}

.prove-aliases {
  padding: var(--section-y) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.prove-alias-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 820px;
  margin-inline: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.prove-alias-item {
  display: grid;
  grid-template-columns: minmax(8rem, 0.9fr) 1fr;
  gap: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.prove-alias-item:last-child { border-bottom: none; }

.prove-alias-scene {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-3);
}

.prove-alias-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.015em;
}

body[data-page="contact"] .cta {
  padding-top: clamp(24px, 4vw, 40px);
}

body[data-page="contact"] .cta-layout {
  grid-template-columns: 1fr;
  max-width: 520px;
  margin: 0 auto;
}

/* ── Privacy policy ── */
.privacy-meta {
  margin: 18px auto 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: -0.01em;
}

.privacy-doc {
  padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 8vw, 96px);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.privacy-article {
  max-width: 760px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
  letter-spacing: -0.01em;
}

.privacy-lead {
  font-size: clamp(16px, 1.8vw, 18px);
  color: var(--text);
  margin-bottom: 28px;
}

.privacy-toc {
  margin: 0 0 36px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.privacy-toc-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 12px;
}

.privacy-toc ol {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 6px;
}

.privacy-toc a {
  color: var(--text-2);
  transition: color 0.2s;
}

.privacy-toc a:hover { color: var(--text); }

.privacy-section {
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}

.privacy-section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.privacy-article h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 16px;
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.privacy-article h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 22px 0 10px;
}

.privacy-article p {
  margin: 0 0 14px;
}

.privacy-list {
  margin: 0 0 16px;
  padding-left: 1.15em;
  display: grid;
  gap: 10px;
}

.privacy-list strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Company / Careers info pages ── */
.info-page {
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 80px);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.info-page-inner {
  max-width: 820px;
  margin: 0 auto;
}

.info-lead {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  color: var(--text);
  letter-spacing: -0.015em;
  margin-bottom: clamp(36px, 5vw, 52px);
}

.info-block {
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}

.info-block:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.info-block h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 14px;
}

.info-block p,
.info-sub {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.info-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 8px;
  border: none;
  background: transparent;
}

.info-card {
  padding: clamp(20px, 2.5vw, 28px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.info-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.info-card p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-2);
  margin: 0;
}

.info-role-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  border: none;
  background: transparent;
}

.info-role {
  padding: clamp(18px, 2.2vw, 24px) clamp(20px, 2.5vw, 28px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.info-role h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.info-role p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.55;
}

/* ── Company about ── */
.company-page {
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 80px);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.company-vision {
  max-width: 820px;
  margin: 0 auto clamp(48px, 7vw, 80px);
  text-align: center;
}

.company-vision h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 8px 0 20px;
}

.company-vision-text {
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.65;
  color: var(--text-2);
  letter-spacing: -0.015em;
  max-width: 36em;
  margin: 0 auto;
}

.company-culture {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.company-culture > .section-head {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.company-culture-photo {
  position: relative;
  margin: 0 0 clamp(36px, 5vw, 52px);
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0a0b0e;
  isolation: isolate;
}

.company-culture-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 85% 75% at 50% 45%, transparent 42%, rgba(0, 0, 0, 0.38) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0%, transparent 28%, transparent 72%, rgba(0, 0, 0, 0.22) 100%);
}

.company-culture-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center 40%;
}

.company-culture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  border: none;
  background: transparent;
  max-width: 960px;
  margin: 0 auto;
}

.company-culture-card {
  padding: clamp(28px, 3.5vw, 40px) clamp(22px, 3vw, 32px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.15s ease;
}

.company-culture-card:hover {
  background: transparent;
}

.company-culture-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}

.company-culture-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
}

.company-page .info-block {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Home funnel ── */
.hero--funnel .hero-content {
  align-items: center;
}

.hero--funnel {
  padding-bottom: clamp(160px, 22vh, 220px);
}

.hero-funnel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  width: 100%;
  max-width: 1100px;
}

/* Logo wall → Truth：World Labs 式连续气场过渡 */
.logo-truth-bridge {
  position: relative;
  isolation: isolate;
  /* 自 Hero 纯黑抬升蓝黑气场，再沉入 Truth 纯黑 */
  background:
    radial-gradient(
      ellipse 95% 50% at 50% 22%,
      rgba(61, 168, 255, 0.11) 0%,
      rgba(61, 168, 255, 0.035) 42%,
      transparent 70%
    ),
    linear-gradient(
      180deg,
      #000000 0%,
      #080d16 12%,
      #0c1420 26%,
      #080c14 42%,
      #040608 58%,
      #010203 76%,
      #000000 100%
    );
}

/* 自上而下的雾化层：logo 区有微光，文字区已沉入纯黑 */
.logo-truth-bridge::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(14, 22, 36, 0.35) 18%,
    rgba(8, 12, 20, 0.12) 40%,
    transparent 68%
  );
}

.logo-wall-band {
  position: relative;
  z-index: 1;
  padding: clamp(52px, 7vw, 88px) 0 clamp(12px, 2vw, 24px);
  background: transparent;
  border-bottom: none;
}

/* 取消硬遮罩帘；过渡交给画布渐变 + 留白 */
.logo-wall-band::after {
  display: none;
}

.logo-wall,
.hero-logo-wall {
  position: relative;
  left: auto;
  right: auto;
  bottom: auto;
  z-index: auto;
  display: grid;
  gap: clamp(40px, 5vw, 56px);
  pointer-events: none;
  /* 左右淡出 + 底部极轻溶解，避免切断感 */
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%),
    linear-gradient(180deg, #000 0%, #000 62%, rgba(0, 0, 0, 0.7) 88%, rgba(0, 0, 0, 0.25) 100%);
  mask-image:
    linear-gradient(90deg, transparent 0%, #000 7%, #000 93%, transparent 100%),
    linear-gradient(180deg, #000 0%, #000 62%, rgba(0, 0, 0, 0.7) 88%, rgba(0, 0, 0, 0.25) 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

.hero-logo-marquee {
  overflow: hidden;
  width: 100%;
}

.hero-logo-track {
  display: flex;
  align-items: center;
  gap: clamp(56px, 7vw, 96px);
  width: max-content;
  animation: logoMarquee 42s linear infinite;
  will-change: transform;
}

.hero-logo-marquee.is-reverse .hero-logo-track {
  animation-name: logoMarqueeReverse;
  animation-duration: 48s;
}

.hero-logo-marquee:hover .hero-logo-track {
  animation-play-state: paused;
}

.hero-logo-item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: clamp(52px, 5.2vw, 64px);
  opacity: 0.42;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: auto;
}

.hero-logo-item:hover {
  opacity: 0.95;
  transform: translateY(-2px);
}

.hero-logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: clamp(8px, 1vw, 12px);
  height: 100%;
}

.hero-logo-icon {
  display: block;
  width: clamp(28px, 3vw, 36px);
  height: clamp(28px, 3vw, 36px);
  flex-shrink: 0;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.hero-logo-word {
  font-size: clamp(14px, 1.55vw, 17px);
  font-weight: 700;
  letter-spacing: 0.055em;
  line-height: 1;
  color: #f4f7fb;
  white-space: nowrap;
  text-transform: uppercase;
}

.hero-logo-item img:not(.hero-logo-icon) {
  display: block;
  height: clamp(44px, 4.6vw, 56px);
  width: auto;
  max-width: none;
  object-fit: contain;
  object-position: center;
  filter: brightness(0) invert(1);
}

@keyframes logoMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes logoMarqueeReverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-logo-track {
    animation: none;
    transform: none;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    row-gap: 12px;
  }

  .hero-logo-marquee {
    display: flex;
    justify-content: center;
  }
}

.hero-funnel h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.14;
  margin-bottom: 18px;
  min-height: 2.4em;
  max-width: 12em;
}

.hero-typewriter {
  display: block;
}

.hero-type-cursor {
  display: inline-block;
  width: 0.08em;
  height: 0.92em;
  margin-left: 0.08em;
  vertical-align: -0.05em;
  background: rgba(255, 255, 255, 0.85);
  animation: typeCursorBlink 0.9s steps(1) infinite;
}

@keyframes typeCursorBlink {
  0%, 45% { opacity: 1; }
  46%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-type-cursor { display: none; }
}

.hero-hooks {
  margin: 22px 0 0;
  display: grid;
  gap: 10px;
  max-width: 34em;
}

.hero-hook {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.55;
  letter-spacing: -0.011em;
  padding-left: 14px;
  border-left: 2px solid rgba(61, 168, 255, 0.55);
}

.hero-metrics {
  display: grid;
  gap: 12px;
}

.hero-metric {
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  backdrop-filter: none;
}

.hero-metric-val {
  display: block;
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 600;
  color: var(--gain);
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin-bottom: 8px;
}

.hero-metric-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-2);
  line-height: 1.35;
}

.home-truth,
.home-tracks,
.home-cases,
.home-prove,
.home-method {
  padding: var(--section-y) 0;
  border-top: 1px solid var(--border);
}

.home-truth {
  position: relative;
  z-index: 1;
  background: transparent;
  border-top: none;
  /* 大留白 = 气场过渡本体，文字从纯黑中浮现 */
  padding-top: clamp(96px, 14vw, 168px);
  padding-bottom: var(--section-y);
}

.home-truth > .container {
  position: relative;
}

.home-truth .section-head {
  margin-bottom: clamp(40px, 5vw, 64px);
}

.home-truth .section-head .eyebrow {
  opacity: 0.72;
  letter-spacing: 0.12em;
}
.home-tracks { background: var(--bg-gradient-soft); }
.home-cases { background: var(--bg-gradient-deep); }
.home-prove { background: var(--bg-gradient-soft); }
.home-method { background: var(--bg-gradient); }

.truth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  border: none;
  background: transparent;
  margin-bottom: 28px;
}

.truth-col {
  padding: clamp(24px, 3vw, 36px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.truth-col--bad .truth-label { color: var(--text-3); }
.truth-col--good .truth-label { color: var(--accent); }

.truth-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.truth-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.truth-col li {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.55;
  padding-left: 14px;
  position: relative;
}

.truth-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.truth-close {
  max-width: 38rem;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.55;
  letter-spacing: -0.011em;
  color: var(--text);
}

.track-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: none;
  background: transparent;
}

.track-matrix-card {
  display: block;
  padding: clamp(24px, 3vw, 32px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.15s ease;
}

.track-matrix-card:hover {
  background: transparent;
}

.track-priority {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 12px;
}

.track-matrix-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.track-loss {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
}

.track-metric-line {
  font-size: 13px;
  color: var(--gain);
  margin-bottom: 8px;
}

.track-case-line {
  font-size: 12px;
  color: var(--text-3);
}

.home-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: none;
  background: transparent;
}

.home-case-card {
  padding: clamp(24px, 3vw, 32px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.home-case-industry {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.home-case-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 18px;
}

.home-case-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.home-case-val {
  font-size: 28px;
  font-weight: 600;
  color: var(--gain);
  letter-spacing: -0.03em;
}

.home-case-label {
  font-size: 12px;
  color: var(--text-2);
  margin-top: 4px;
}

.home-case-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.55;
}

.home-prove-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.home-prove-steps {
  list-style: none;
  margin: 28px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.home-prove-steps li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 12px;
  align-items: start;
}

.home-prove-steps span {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  padding-top: 4px;
}

.home-prove-steps h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.home-prove-steps p {
  font-size: 13px;
  color: var(--text-2);
}

.home-prove-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.home-prove-side {
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.home-prove-side-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text);
}

.home-prove-side ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.home-prove-side li {
  font-size: 14px;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
}

.home-prove-side li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gain);
}

.method-layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border: none;
  background: transparent;
}

.method-layer {
  padding: clamp(24px, 3vw, 36px);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.method-layer-num {
  display: block;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.method-layer h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.method-layer p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

.section-more {
  margin-top: 28px;
  text-align: center;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.solution-formula {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-md);
  background: transparent;
  font-size: 14px;
  color: var(--text);
}

.solution-roi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 12px 0 16px;
}

.solution-roi-item {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}

.float-dock {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.float-dock.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.float-dock-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: #fff;
  color: #0a0a0a;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.float-dock-btn:hover {
  background: #fff;
  opacity: 0.94;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 91;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  background: rgba(10, 10, 12, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.25s,
    background 0.15s ease,
    border-color 0.15s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.32);
}

.back-to-top:active {
  transform: scale(0.96);
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: opacity 0.15s ease, visibility 0.15s;
    transform: none;
  }
}