:root {
  color-scheme: dark;
  --bg: #11110f;
  --surface: #191917;
  --surface-2: #232320;
  --text: #f3f2ec;
  --muted: #a9a89f;
  --faint: #8d8c84;
  --line: #34342f;
  --accent: #ff5a36;
  --accent-ink: #23100b;
  --on-image: #f7f6f0;
  --header: rgba(17, 17, 15, .82);
  --media-radius: 20px;
  --panel-radius: 16px;
  --input-radius: 12px;
  --action-radius: 999px;
  --page: min(1440px, calc(100vw - 64px));
  --section-space: clamp(104px, 12vw, 180px);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f1f0ea;
  --surface: #faf9f4;
  --surface-2: #ffffff;
  --text: #171714;
  --muted: #67675f;
  --faint: #67675f;
  --line: #d5d4cc;
  --accent-ink: #2b0d06;
  --header: rgba(241, 240, 234, .86);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.78;
  transition: color .35s ease, background .35s ease;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { color: inherit; font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 68px;
  padding: 0 max(24px, calc((100vw - 1440px) / 2));
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 64px);
  color: var(--text);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: var(--header);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
}

.wordmark {
  min-width: 158px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
}
.wordmark strong { font-size: 15px; letter-spacing: -.035em; }
.wordmark span { color: var(--muted); font-size: 14px; }

.desktop-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.6vw, 42px);
  white-space: nowrap;
}
.desktop-nav a {
  position: relative;
  color: var(--muted);
  font-size: 14px;
  transition: color .25s ease;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 100%;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--accent);
  transition: right .35s var(--ease);
}
.desktop-nav a:hover { color: var(--text); }
.desktop-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle,
.nav-cta,
.menu-toggle {
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--action-radius);
  background: var(--surface);
}
.theme-toggle {
  min-width: 62px;
  padding: 0 14px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}
.nav-cta {
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  color: var(--accent-ink);
  border-color: var(--accent);
  background: var(--accent);
  font-size: 14px;
  font-weight: 700;
}
.theme-toggle:active,
.nav-cta:active,
.button:active { transform: scale(.98); }
.menu-toggle { display: none; width: 42px; padding: 0 11px; cursor: pointer; }
.menu-toggle span { display: block; height: 1px; margin: 5px 0; background: var(--text); }

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #0b0e10;
}
.hero-panorama { cursor: grab; touch-action: pan-y; }
.hero-panorama.is-dragging { cursor: grabbing; }
.hero-panorama:focus-visible { outline-offset: -4px; }
.hero-panorama-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-image {
  position: absolute;
  top: -6%;
  left: 50%;
  width: auto;
  min-width: 100%;
  max-width: none;
  height: 112%;
  object-fit: cover;
  transform: translate3d(-50%, 0, 0) scale(1.025);
  transform-origin: center;
  user-select: none;
  pointer-events: none;
  will-change: transform;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 11, .86) 0%, rgba(8, 10, 11, .38) 43%, rgba(8, 10, 11, .08) 72%),
    linear-gradient(0deg, rgba(8, 10, 11, .7) 0%, transparent 54%);
  pointer-events: none;
}
.panorama-hint {
  position: absolute;
  right: max(32px, calc((100vw - 1440px) / 2));
  bottom: 40px;
  z-index: 3;
  min-width: 206px;
  padding-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  color: rgba(247, 246, 240, .72);
  border-top: 1px solid rgba(247, 246, 240, .34);
  font-size: 14px;
  transition: opacity .25s ease;
  pointer-events: none;
}
.panorama-hint span:first-child { color: var(--accent); letter-spacing: .2em; }
.hero-panorama.is-dragging .panorama-hint { opacity: .38; }
.hero-content {
  position: relative;
  z-index: 2;
  width: var(--page);
  margin: 0 auto;
  padding: 96px 0 clamp(56px, 8vh, 88px);
  color: var(--on-image);
}
.hero h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(52px, 7.2vw, 104px);
  font-weight: 680;
  line-height: 1;
  letter-spacing: -.045em;
}
.hero h1 span { display: block; white-space: nowrap; }
.hero-content > p {
  max-width: 590px;
  margin-bottom: 30px;
  color: rgba(247, 246, 240, .76);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 10px; }
.button {
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid transparent;
  border-radius: var(--action-radius);
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  transition: transform .25s var(--ease), background .25s ease;
}
.button-accent { color: var(--accent-ink); background: var(--accent); }
.button-accent:hover { background: #ff7154; }
.button-on-image { color: var(--on-image); border-color: rgba(247, 246, 240, .35); background: rgba(17, 17, 15, .32); backdrop-filter: blur(12px); }
.button-on-image:hover { background: rgba(17, 17, 15, .55); }

.proof-bar {
  width: var(--page);
  min-height: 118px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr)) minmax(240px, 1.35fr);
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}
.proof-bar p {
  margin: 0;
  padding: 30px clamp(18px, 2.4vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--line);
}
.proof-bar p:first-child { padding-left: 0; border-left: 0; }
.proof-bar strong { margin-bottom: 2px; font-size: clamp(20px, 2vw, 28px); line-height: 1.1; letter-spacing: -.04em; }
.proof-bar span { color: var(--muted); font-size: 14px; }
.proof-bar .proof-note { align-items: flex-end; color: var(--muted); font-size: 14px; text-align: right; }

.section {
  position: relative;
  width: var(--page);
  margin: 0 auto;
  padding: var(--section-space) 0;
}
.section-intro { max-width: 1080px; }
.section-intro.compact { max-width: 820px; }
.section-intro h2,
.measure-statement h2,
.final-cta h2 {
  margin-bottom: 28px;
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 620;
  line-height: 1.12;
  letter-spacing: -.04em;
}
.section-intro h2 span,
.measure-statement h2 span { color: var(--muted); }
.section-intro > p,
.measure-statement > p {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.78;
}

.problem-section { padding-bottom: clamp(96px, 10vw, 150px); }
.problem-rail {
  margin-top: clamp(72px, 9vw, 130px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.problem-rail article { min-height: 190px; padding: 28px 30px 0 0; border-right: 1px solid var(--line); }
.problem-rail article + article { padding-left: 30px; }
.problem-rail article:last-child { border-right: 0; }
.problem-rail h3 { margin-bottom: 34px; color: var(--accent); font-size: 16px; font-weight: 650; }
.problem-rail p { max-width: 240px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }

.value-story {
  display: grid;
  grid-template-columns: minmax(360px, .78fr) minmax(420px, 1fr);
  gap: clamp(64px, 9vw, 150px);
  align-items: center;
  border-top: 1px solid var(--line);
}
.story-image { margin: 0; overflow: hidden; border-radius: var(--media-radius); }
.story-image img { aspect-ratio: 4 / 5; object-fit: cover; transition: transform .8s var(--ease); }
.story-image:hover img { transform: scale(1.025); }
.functional-label { margin-bottom: 34px; color: var(--accent); font-size: 14px; font-weight: 700; }
.story-copy h2 { margin-bottom: 28px; font-size: clamp(42px, 4.6vw, 64px); font-weight: 620; line-height: 1.12; letter-spacing: -.04em; }
.story-copy > p:not(.functional-label) { max-width: 570px; color: var(--muted); font-size: 17px; line-height: 1.78; }
.story-points { margin-top: 54px; border-top: 1px solid var(--line); }
.story-points p { min-height: 82px; margin: 0; padding: 20px 0; display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); }
.story-points strong { font-size: 15px; }
.story-points span { color: var(--muted); font-size: 15px; line-height: 1.7; }

.scenarios-section { border-top: 1px solid var(--line); }
.scenario-selector {
  margin: 58px 0 22px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.scenario-selector::-webkit-scrollbar { display: none; }
.scenario-tab {
  min-height: 48px;
  padding: 0 20px;
  flex: 0 0 auto;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--action-radius);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}
.scenario-tab.active { color: var(--accent-ink); border-color: var(--accent); background: var(--accent); }
.scenario-canvas { position: relative; min-height: min(72vw, 780px); overflow: hidden; border-radius: var(--media-radius); background: var(--surface); }
.scenario-canvas > img { position: absolute; inset: 0; height: 100%; object-fit: cover; transition: opacity .35s ease, transform .7s var(--ease); }
.scenario-canvas.is-changing > img { opacity: .2; transform: scale(1.02); }
.scenario-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(12, 12, 11, .82) 0%, rgba(12, 12, 11, .02) 72%); }
.scenario-content { position: absolute; z-index: 2; right: clamp(24px, 5vw, 74px); bottom: clamp(26px, 5vw, 68px); left: clamp(24px, 5vw, 74px); color: var(--on-image); }
.scenario-content h3 { max-width: 820px; margin-bottom: 18px; font-size: clamp(36px, 4vw, 56px); line-height: 1.12; letter-spacing: -.04em; }
.scenario-content > p { max-width: 650px; margin-bottom: 32px; color: rgba(247, 246, 240, .82); font-size: 17px; line-height: 1.75; }
.scenario-result { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: baseline; }
.scenario-result span { color: rgba(247, 246, 240, .68); font-size: 14px; }
.scenario-result strong { font-size: 14px; font-weight: 600; line-height: 1.65; }

.capabilities-section { border-top: 1px solid var(--line); }
.capability-bento {
  margin-top: 76px;
  display: grid;
  grid-template-columns: 1.2fr .8fr 1fr;
  grid-template-rows: 320px 260px 260px;
  gap: 14px;
}
.bento-cell { position: relative; overflow: hidden; border-radius: var(--panel-radius); background: var(--surface); }
.bento-cell > img { position: absolute; inset: 0; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.bento-cell:hover > img { transform: scale(1.025); }
.bento-cell > div { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; padding: 72px 28px 24px; color: var(--on-image); background: linear-gradient(0deg, rgba(12, 12, 11, .86), transparent); }
.bento-cell > div h3 { margin-bottom: 8px; font-size: 24px; line-height: 1.25; }
.bento-cell > div p { margin: 0; color: rgba(247, 246, 240, .76); font-size: 14px; line-height: 1.65; }
.bento-space { grid-column: 1 / 3; grid-row: 1 / 2; }
.bento-ai { grid-column: 3 / 4; grid-row: 1 / 3; }
.bento-ai img { object-position: center 32%; }
.bento-copy { grid-column: 1 / 2; grid-row: 2 / 3; }
.bento-media { grid-column: 2 / 3; grid-row: 2 / 3; color: var(--accent-ink); background: var(--accent); }
.bento-deploy { grid-column: 1 / 3; grid-row: 3 / 4; }
.bento-upgrade { grid-column: 3 / 4; grid-row: 3 / 4; background: var(--surface-2); }
.bento-copy,
.bento-media,
.bento-deploy,
.bento-upgrade { padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; }
.bento-copy span,
.bento-media span,
.bento-deploy span,
.bento-upgrade span { margin-bottom: auto; color: var(--muted); font-size: 14px; }
.bento-media span { color: rgba(35, 16, 11, .62); }
.bento-copy strong,
.bento-media strong,
.bento-deploy strong,
.bento-upgrade strong { max-width: 430px; font-size: clamp(24px, 2.5vw, 36px); line-height: 1.15; letter-spacing: -.035em; }
.bento-copy p,
.bento-media p,
.bento-deploy p,
.bento-upgrade p { max-width: 430px; margin: 13px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.bento-media p { color: rgba(35, 16, 11, .68); }

.measure-section { border-top: 1px solid var(--line); }
.measure-statement { max-width: 1040px; }
.metric-row { margin-top: 78px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.metric-row article { min-height: 178px; padding: 26px 24px 0 0; border-right: 1px solid var(--line); }
.metric-row article + article { padding-left: 24px; }
.metric-row article:last-child { border-right: 0; }
.metric-row span { color: var(--accent); font-size: 14px; }
.metric-row strong { display: block; margin: 38px 0 4px; font-size: clamp(16px, 1.6vw, 22px); }
.metric-row p { margin: 0; color: var(--muted); font-size: 14px; }
.calculator { margin-top: 54px; padding: clamp(30px, 5vw, 70px); display: grid; grid-template-columns: .85fr 1fr .8fr; gap: clamp(34px, 5vw, 72px); align-items: center; border-radius: var(--panel-radius); background: var(--surface); }
.calculator-copy h3 { margin-bottom: 16px; font-size: clamp(26px, 3vw, 42px); line-height: 1.13; letter-spacing: -.045em; }
.calculator-copy p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.calculator-inputs { display: grid; gap: 10px; }
.calculator-inputs label { min-height: 58px; padding: 0 16px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 8px; color: var(--muted); border: 1px solid var(--line); border-radius: var(--input-radius); background: var(--bg); font-size: 14px; }
.calculator-inputs input { width: 80px; padding: 0; color: var(--text); text-align: right; border: 0; outline: 0; background: transparent; font-size: 16px; }
.calculator-inputs label:focus-within { border-color: var(--accent); }
.calculator-result { display: flex; flex-direction: column; }
.calculator-result > span { color: var(--muted); font-size: 14px; }
.calculator-result strong { margin: 8px 0; color: var(--accent); font-size: clamp(38px, 4vw, 60px); line-height: 1; letter-spacing: -.055em; }
.calculator-result small { color: var(--faint); font-size: 14px; line-height: 1.6; }
.measure-note { margin: 18px 0 0; color: var(--faint); font-size: 14px; }

.delivery-section { border-top: 1px solid var(--line); }
.delivery-track { margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr); }
.delivery-track article { min-height: 240px; padding: 34px 34px 0 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
.delivery-track article + article { padding-left: 34px; }
.delivery-track article:last-child { border-right: 0; }
.delivery-track h3 { margin-bottom: 108px; font-size: clamp(18px, 2vw, 28px); }
.delivery-track p { max-width: 240px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.72; }
.delivery-facts { margin-top: 76px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.delivery-facts p { min-height: 168px; margin: 0; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; border-radius: var(--panel-radius); background: var(--surface); }
.delivery-facts strong { font-size: clamp(25px, 3vw, 42px); letter-spacing: -.05em; }
.delivery-facts span { color: var(--muted); font-size: 14px; line-height: 1.6; }
.material-disclosure { margin-top: 14px; border-radius: var(--panel-radius); background: var(--surface); }
.material-disclosure summary { min-height: 84px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; font-size: 15px; font-weight: 650; }
.material-disclosure summary::-webkit-details-marker { display: none; }
.material-disclosure summary span { color: var(--accent); font-size: 14px; }
.material-grid { padding: 0 28px 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.material-grid span { padding: 14px; color: var(--muted); border: 1px solid var(--line); border-radius: var(--input-radius); font-size: 14px; }

.faq-section { border-top: 1px solid var(--line); }
.faq-list { max-width: 960px; margin-top: 60px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 86px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; font-size: clamp(15px, 1.5vw, 19px); font-weight: 620; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent); font-size: 22px; font-weight: 400; transition: transform .35s var(--ease); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 760px; margin: -5px 0 30px; color: var(--muted); font-size: 16px; line-height: 1.75; }

.final-cta { position: relative; min-height: 86dvh; display: flex; align-items: flex-end; overflow: hidden; background: #191917; }
.final-cta > img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.final-cta-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12, 12, 11, .76), rgba(12, 12, 11, .05)), linear-gradient(0deg, rgba(12, 12, 11, .62), transparent 60%); }
.final-cta-content { position: relative; z-index: 2; width: var(--page); margin: 0 auto; padding: 90px 0; color: var(--on-image); }
.final-cta-content p { max-width: 620px; margin-bottom: 30px; color: rgba(247, 246, 240, .82); font-size: 17px; line-height: 1.72; }

footer { width: var(--page); min-height: 112px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 14px; }
footer p { margin: 0; }
.footer-wordmark { color: var(--text); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  :root { --page: min(100% - 48px, 960px); }
  .desktop-nav { display: none; }
  .site-header { justify-content: space-between; padding: 0 24px; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .desktop-nav {
    position: fixed;
    inset: 68px 0 auto;
    padding: 22px 24px 28px;
    display: grid;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform .45s var(--ease), opacity .3s ease;
  }
  .desktop-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .desktop-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .value-story { grid-template-columns: .9fr 1.1fr; gap: 58px; }
  .capability-bento { grid-template-columns: 1fr 1fr; grid-template-rows: 330px 380px 250px 250px; }
  .bento-space { grid-column: 1 / 3; grid-row: 1 / 2; }
  .bento-ai { grid-column: 1 / 2; grid-row: 2 / 3; }
  .bento-copy { grid-column: 2 / 3; grid-row: 2 / 3; }
  .bento-media { grid-column: 1 / 2; grid-row: 3 / 4; }
  .bento-deploy { grid-column: 2 / 3; grid-row: 3 / 4; }
  .bento-upgrade { grid-column: 1 / 3; grid-row: 4 / 5; }
  .calculator { grid-template-columns: 1fr 1.2fr; }
  .calculator-result { grid-column: 1 / 3; padding-top: 30px; border-top: 1px solid var(--line); }
}

@media (max-width: 720px) {
  :root { --page: calc(100% - 36px); --section-space: 94px; }
  .site-header { padding: 0 18px; }
  .wordmark { min-width: 0; }
  .wordmark span { display: none; }
  .nav-cta { display: none; }
  .theme-toggle { min-width: 56px; }
  .hero-content { padding: 96px 0 42px; }
  .hero-image { object-position: center; }
  .panorama-hint { top: 88px; right: 18px; bottom: auto; min-width: 184px; }
  .hero-scrim { background: linear-gradient(0deg, rgba(12, 12, 11, .86) 0%, rgba(12, 12, 11, .16) 72%); }
  .hero h1 { max-width: 100%; margin-bottom: 18px; font-size: clamp(44px, 11.8vw, 46px); line-height: 1.03; letter-spacing: -.04em; }
  .hero-content > p { max-width: 340px; margin-bottom: 24px; font-size: 16px; line-height: 1.7; }
  .button { min-height: 48px; padding: 0 19px; }
  .proof-bar { grid-template-columns: repeat(3, 1fr); min-height: 102px; }
  .proof-bar p { padding: 24px 8px; }
  .proof-bar p:first-child { padding-left: 0; }
  .proof-bar strong { font-size: 18px; }
  .proof-bar span { font-size: 14px; }
  .proof-bar .proof-note { display: none; }
  .section-intro h2,
  .measure-statement h2,
  .final-cta h2 { font-size: 38px; line-height: 1.14; letter-spacing: -.035em; }
  .section-intro > p,
  .measure-statement > p { font-size: 16px; line-height: 1.75; }
  .problem-rail { grid-template-columns: 1fr 1fr; margin-top: 58px; }
  .problem-rail article { min-height: 150px; padding: 22px 20px 0 0; border-bottom: 1px solid var(--line); }
  .problem-rail article + article { padding-left: 20px; }
  .problem-rail article:nth-child(2) { border-right: 0; }
  .problem-rail h3 { margin-bottom: 24px; }
  .problem-rail p { font-size: 14px; }
  .value-story { grid-template-columns: 1fr; gap: 52px; }
  .story-image img { aspect-ratio: 4 / 5; }
  .story-copy h2 { font-size: 38px; line-height: 1.14; }
  .story-copy > p:not(.functional-label) { font-size: 16px; }
  .story-points p { grid-template-columns: 76px 1fr; gap: 14px; }
  .story-points span { font-size: 14px; }
  .scenario-selector { margin-top: 42px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .scenario-tab { width: 100%; }
  .scenario-canvas { min-height: 560px; }
  .scenario-canvas > img { object-position: center; }
  .scenario-shade { background: linear-gradient(0deg, rgba(12, 12, 11, .9), rgba(12, 12, 11, .05) 80%); }
  .scenario-content h3 { font-size: 34px; line-height: 1.15; }
  .scenario-content h3 { white-space: pre-line; }
  .scenario-content > p { font-size: 16px; }
  .scenario-result { display: grid; }
  .scenario-result strong { line-height: 1.6; }
  .capability-bento { margin-top: 54px; grid-template-columns: 1fr; grid-template-rows: 280px 460px repeat(4, 220px); }
  .bento-space { grid-column: 1; grid-row: 1; }
  .bento-ai { grid-column: 1; grid-row: 2; }
  .bento-copy { grid-column: 1; grid-row: 3; }
  .bento-media { grid-column: 1; grid-row: 4; }
  .bento-deploy { grid-column: 1; grid-row: 5; }
  .bento-upgrade { grid-column: 1; grid-row: 6; }
  .bento-cell > div { padding: 60px 20px 20px; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row article { min-height: 150px; border-bottom: 1px solid var(--line); }
  .metric-row article:nth-child(2) { border-right: 0; }
  .metric-row article:nth-child(3) { padding-left: 0; }
  .calculator { padding: 26px 20px; grid-template-columns: 1fr; gap: 28px; }
  .calculator-result { grid-column: auto; }
  .calculator-result strong { font-size: 44px; }
  .delivery-track { margin-top: 56px; grid-template-columns: 1fr; }
  .delivery-track article { min-height: auto; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .delivery-track article + article { padding-left: 0; }
  .delivery-track h3 { margin-bottom: 18px; }
  .delivery-facts { grid-template-columns: 1fr; }
  .delivery-facts p { min-height: 140px; }
  .material-grid { grid-template-columns: 1fr 1fr; }
  .material-disclosure summary { padding: 0 20px; font-size: 14px; }
  .material-grid { padding: 0 20px 20px; }
  .final-cta { min-height: 78dvh; }
  .final-cta > img { object-position: 64% center; }
  .final-cta-content { padding: 58px 0; }
  footer { min-height: 150px; padding: 30px 0; align-items: flex-start; flex-direction: column; justify-content: center; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .button-on-image { background: rgba(17, 17, 15, .88); backdrop-filter: none; }
}