/* Hallmark · macrostructure: Feature Stack (static campaign sequence) · genre: atmospheric · theme: studied-DNA (source: user UI) · anchor: electric blue · enrichment: user-supplied campaign boards · nav: existing shared · footer: existing shared · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (34, 49–57) · icons: pass (30) */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R4 V4 */
.short-page {
  --sv-ink: oklch(18% 0.035 258);
  --sv-muted: oklch(49% 0.03 258);
  --sv-paper: oklch(97% 0.012 255);
  --sv-line: oklch(88% 0.018 255);
  --sv-blue: oklch(56% 0.22 258);
  --sv-cyan: oklch(79% 0.15 210);
  --sv-orange: oklch(68% 0.19 35);
  --sv-navy: oklch(14% 0.055 258);
  --sv-navy-raised: oklch(20% 0.07 258);
  --sv-paper-blue: oklch(95% 0.025 255);
  --sv-surface: oklch(99% 0.008 255);
  --sv-ink-dark: oklch(96% 0.01 255);
  --sv-muted-dark: oklch(78% 0.025 255);
  --sv-accent-ink: oklch(98% 0.008 255);
  --sv-grid-line: oklch(69% 0.13 250 / 0.14);
  --sv-border-dark: oklch(65% 0.17 250 / 0.34);
  --sv-shadow: oklch(16% 0.04 258 / 0.12);
  --sv-font-display: "Noto Sans TC", sans-serif;
  --sv-font-body: "Noto Sans TC", sans-serif;
  --sv-font-signal: "Tomorrow", "Noto Sans TC", sans-serif;
  --sv-space-xs: 0.5rem;
  --sv-space-sm: 0.75rem;
  --sv-space-md: 1rem;
  --sv-space-lg: 1.5rem;
  --sv-space-xl: 2.5rem;
  --sv-space-2xl: 4rem;
  --sv-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --sv-duration: 220ms;
  --sv-reveal-duration: 760ms;
  --sv-reveal-fade-duration: 620ms;
  background: var(--sv-paper);
  color: var(--sv-ink);
  font-family: var(--sv-font-body);
}

/* Legacy v1 visual layer retained for history, disabled after the UI-board redesign.
.short-page main > section { display: none !important; }
.short-page .sv-page-shell { overflow: clip; }
.short-page .sv-page-shell * { box-sizing: border-box; }
.short-page .sv-page-shell h1,
.short-page .sv-page-shell h2,
.short-page .sv-page-shell h3,
.short-page .sv-page-shell p,
.short-page .sv-page-shell figure { margin-top: 0; }

.sv-hero {
  position: relative;
  min-height: 680px;
  padding: 88px 0 0;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 24%, rgba(32,215,245,.16), transparent 27%),
    linear-gradient(118deg, #050b14 0%, #07182b 57%, #062c4b 100%);
}
.sv-grid-lines {
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}
.sv-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .72fr);
  gap: clamp(44px, 7vw, 112px);
  align-items: center;
}
.sv-hero-copy { padding: 56px 0 72px; }
.sv-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--sv-blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}
.sv-eyebrow span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  letter-spacing: 0;
}
.sv-hero .sv-eyebrow,
.sv-system .sv-eyebrow,
.sv-cases .sv-eyebrow,
.sv-final-cta .sv-eyebrow { color: var(--sv-cyan); }
.sv-hero h1 {
  max-width: 800px;
  margin-bottom: 30px;
  font-family: "Noto Serif TC", "Noto Sans TC", serif;
  font-size: clamp(50px, 5vw, 74px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.05em;
}
.sv-hero h1 em,
.sv-cases h2 em { color: var(--sv-cyan); font-style: normal; }
.sv-hero h1 em { white-space: nowrap; }
.sv-lead {
  max-width: 700px;
  margin-bottom: 34px;
  color: #cbd8e5;
  font-size: clamp(17px, 1.45vw, 21px);
  font-weight: 500;
  line-height: 1.85;
}
.sv-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.sv-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 900;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.sv-button:hover { transform: translateY(-3px); }
.sv-button-primary { color: #fff; background: var(--sv-blue); box-shadow: 10px 10px 0 rgba(32,215,245,.22); }
.sv-button-primary:hover { background: #0057df; }
.sv-button-text { padding-inline: 2px; color: #fff; border-bottom-color: rgba(255,255,255,.38); }
.sv-platform-row { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 42px; }
.sv-platform-row span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.18); color: #9eb0c3; font-size: 12px; font-weight: 800; }

.sv-hero-visual { position: relative; align-self: end; padding-top: 38px; }
.sv-hero-visual::before {
  content: "70";
  position: absolute;
  z-index: -1;
  top: -18px;
  right: -58px;
  color: rgba(255,255,255,.055);
  font: 900 210px/1 "Noto Sans TC", sans-serif;
}
.sv-image-crop {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.18);
  background: #030a18;
  box-shadow: 28px 28px 0 rgba(9,105,255,.17), 0 35px 90px rgba(0,0,0,.34);
}
.sv-image-crop-core { height: 540px; }
.sv-image-crop-core img { width: 100%; height: 100%; object-fit: cover; object-position: 100% 50%; transform: scale(1.12); }
.sv-hero-visual figcaption {
  position: absolute;
  right: -24px;
  bottom: 34px;
  width: min(330px, 88%);
  padding: 18px 20px;
  color: var(--sv-ink);
  background: var(--sv-cyan);
  box-shadow: 12px 12px 0 rgba(0,0,0,.28);
}
.sv-hero-visual figcaption b,
.sv-hero-visual figcaption span { display: block; }
.sv-hero-visual figcaption b { margin-bottom: 4px; font-size: 17px; }
.sv-hero-visual figcaption span { font-size: 13px; font-weight: 700; }
.sv-proof-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 160px)) 1fr;
  align-items: center;
  gap: 30px;
  min-height: 116px;
  padding: 22px 32px;
  background: #fff;
  color: var(--sv-ink);
  box-shadow: 0 -18px 60px rgba(0,0,0,.12);
}
.sv-proof-strip div { display: flex; align-items: baseline; gap: 9px; }
.sv-proof-strip strong { font-size: 30px; line-height: 1; }
.sv-proof-strip strong small { font-size: 13px; color: var(--sv-blue); }
.sv-proof-strip span { color: var(--sv-muted); font-size: 12px; font-weight: 800; }
.sv-proof-strip p { margin: 0; text-align: right; color: var(--sv-blue); font-size: 13px; font-weight: 900; letter-spacing: .08em; }

.sv-section { padding: 72px 0; }
.sv-section-head { max-width: 600px; }
.sv-section-head-wide { max-width: 820px; margin-bottom: 52px; }
.sv-section-head h2,
.sv-system h2,
.sv-cases h2,
.sv-final-cta h2 {
  margin-bottom: 22px;
  font-family: "Noto Serif TC", "Noto Sans TC", serif;
  font-size: clamp(38px, 4.5vw, 64px);
  line-height: 1.2;
  letter-spacing: -.04em;
}
.sv-section-head > p:last-child,
.sv-system-copy > p:last-child,
.sv-cases .sv-section-head > p:last-child {
  color: var(--sv-muted);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.9;
}

.sv-problem { background: #fff; }
.sv-problem-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 9vw; align-items: start; }
.sv-problem-list { border-top: 2px solid var(--sv-ink); }
.sv-problem-list article {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--sv-line);
  transition: padding .25s ease, color .25s ease;
}
.sv-problem-list article:hover { padding-inline: 12px; color: var(--sv-blue); }
.sv-problem-list b { font-size: 12px; color: var(--sv-blue); }
.sv-problem-list span { font-size: 19px; font-weight: 900; }
.sv-problem-list small { max-width: 220px; color: var(--sv-muted); font-weight: 700; }

.sv-services { background: var(--sv-paper); }
.sv-service-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 54px; align-items: center; }
.sv-service-specs { border-top: 2px solid var(--sv-ink); }
.sv-service-specs > article { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 25px 0; border-bottom: 1px solid var(--sv-line); }
.sv-service-specs strong { font-size: 54px; line-height: 1; color: var(--sv-blue); }
.sv-service-specs strong small { font-size: 18px; }
.sv-service-specs h3 { margin-bottom: 7px; font-size: 19px; }
.sv-service-specs p { margin: 0; color: var(--sv-muted); font-size: 14px; font-weight: 700; }
.sv-capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 20px; }
.sv-capability-grid span { padding: 11px 8px; border: 1px solid var(--sv-line); text-align: center; font-size: 12px; font-weight: 900; background: #fff; }
.sv-board,
.sv-advantage-board { position: relative; display: block; overflow: hidden; background: #fff; box-shadow: 22px 22px 0 #dbe2e5; }
.sv-board img,
.sv-advantage-board img { display: block; width: 100%; height: auto; transition: transform .5s ease; }
.sv-board:hover img,
.sv-advantage-board:hover img { transform: scale(1.018); }
.sv-board > span,
.sv-advantage-board > span { position: absolute; right: 14px; bottom: 14px; padding: 9px 12px; color: #fff; background: rgba(7,17,31,.86); font-size: 12px; font-weight: 800; backdrop-filter: blur(10px); }

.sv-system { padding: 76px 0; color: #fff; background: var(--sv-ink); }
.sv-system-copy { display: grid; grid-template-columns: .75fr 1.25fr; column-gap: 6vw; align-items: end; margin-bottom: 48px; }
.sv-system-copy .sv-eyebrow { grid-column: 1 / -1; }
.sv-system-copy h2 { margin-bottom: 0; }
.sv-system-copy > p:last-child { margin-bottom: 3px; color: #aebdca; }
.sv-advantage-board { border: 1px solid rgba(255,255,255,.18); background: #020819; box-shadow: 22px 22px 0 rgba(9,105,255,.18); }

.sv-matrix { background: #fff; }
.sv-matrix-grid { display: grid; grid-template-columns: 1.08fr repeat(2, 1fr); border-top: 1px solid var(--sv-line); border-left: 1px solid var(--sv-line); }
.sv-matrix-core,
.sv-matrix-grid article { min-height: 250px; padding: 32px; border-right: 1px solid var(--sv-line); border-bottom: 1px solid var(--sv-line); }
.sv-matrix-core { grid-row: span 2; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: var(--sv-blue); }
.sv-matrix-core small { margin-bottom: auto; letter-spacing: .18em; }
.sv-matrix-core strong { font: 900 clamp(31px, 3.2vw, 50px)/1.18 "Noto Serif TC", serif; }
.sv-matrix-core span { margin-top: 14px; color: #cde4ff; font-weight: 800; }
.sv-matrix-grid article { position: relative; transition: background .25s ease; }
.sv-matrix-grid article:hover { background: var(--sv-paper); }
.sv-matrix-grid article b { color: var(--sv-blue); font-size: 12px; }
.sv-matrix-grid article h3 { margin: 52px 0 12px; font-size: 22px; }
.sv-matrix-grid article p { margin: 0; color: var(--sv-muted); font-size: 14px; font-weight: 700; }

.sv-flow { background: var(--sv-paper); }
.sv-flow-list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--sv-ink); }
.sv-flow-list li { display: grid; grid-template-columns: 90px 1fr; align-items: center; min-height: 108px; border-bottom: 1px solid var(--sv-line); }
.sv-flow-list li > b { color: var(--sv-blue); font-size: 18px; }
.sv-flow-list li div { display: grid; grid-template-columns: .45fr 1fr; align-items: center; gap: 38px; }
.sv-flow-list h3 { margin: 0; font-size: 24px; }
.sv-flow-list p { margin: 0; color: var(--sv-muted); font-weight: 700; }

.sv-cases { padding: 76px 0; color: #fff; background: #040b14; }
.sv-case-intro { display: grid; grid-template-columns: .7fr 1.3fr; gap: 6vw; align-items: center; margin-bottom: 64px; }
.sv-section-head-dark h2 { color: #fff; }
.sv-cases .sv-section-head > p:last-child { color: #aebdca; }
.sv-case-visual { height: 440px; overflow: hidden; border: 1px solid rgba(255,255,255,.18); box-shadow: 22px 22px 0 rgba(9,105,255,.2); }
.sv-case-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 100% 56%; transform: scale(2); }
.sv-reel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sv-reel-grid article { min-width: 0; }
.sv-reel-shot { aspect-ratio: .62; background-image: url("assets/images/short-video/case-reel.jpg"); background-repeat: no-repeat; background-size: 455% auto; border: 1px solid rgba(255,255,255,.18); transition: transform .35s ease, border-color .35s ease; }
.sv-reel-grid article:hover .sv-reel-shot { transform: translateY(-8px); border-color: var(--sv-cyan); }
.sv-shot-1 { background-position: 3.5% 9%; }
.sv-shot-2 { background-position: 34.6% 9%; }
.sv-shot-3 { background-position: 66.1% 9%; }
.sv-shot-4 { background-position: 97.3% 9%; }
.sv-reel-grid p { display: flex; justify-content: space-between; gap: 10px; margin: 14px 0 0; }
.sv-reel-grid p span { color: var(--sv-cyan); font-size: 12px; font-weight: 800; }
.sv-reel-grid p b { font-size: 13px; }
.sv-full-case-link { display: block; width: max-content; margin: 36px 0 0 auto; padding-bottom: 5px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.5); font-weight: 900; }

.sv-deliverables { background: #fff; }
.sv-deliver-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 8vw; align-items: center; }
.sv-deliver-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--sv-ink); }
.sv-deliver-list span { position: relative; padding: 24px 16px 24px 38px; border-bottom: 1px solid var(--sv-line); font-weight: 900; }
.sv-deliver-list span::before { content: "+"; position: absolute; left: 10px; color: var(--sv-blue); }

.sv-final-cta { position: relative; padding: 76px 0; text-align: center; color: #fff; background: var(--sv-blue); overflow: hidden; }
.sv-final-cta::before { content: "PLAY"; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-52%); color: rgba(255,255,255,.07); font: 900 clamp(140px, 28vw, 420px)/.8 "Noto Sans TC", sans-serif; }
.sv-final-cta .mzt-wrap { position: relative; }
.sv-final-cta .sv-eyebrow { justify-content: center; }
.sv-final-cta h2 { margin-bottom: 20px; color: #fff; }
.sv-final-cta > div > p:not(.sv-eyebrow) { max-width: 700px; margin: 0 auto 34px; color: #dcecff; font-size: 18px; font-weight: 700; line-height: 1.8; }
.sv-final-cta .sv-button-primary { color: var(--sv-ink); background: var(--sv-cyan); box-shadow: 10px 10px 0 rgba(7,17,31,.28); }

@media (max-width: 1100px) {
  .sv-hero-layout { grid-template-columns: 1fr .72fr; gap: 44px; }
  .sv-image-crop-core { height: 470px; }
  .sv-service-layout { grid-template-columns: 1fr; }
  .sv-board { max-width: 860px; }
  .sv-case-intro { grid-template-columns: .8fr 1.2fr; }
}

@media (max-width: 820px) {
  .sv-hero { min-height: auto; padding-top: 86px; }
  .sv-hero-layout,
  .sv-problem-layout,
  .sv-system-copy,
  .sv-case-intro,
  .sv-deliver-layout { grid-template-columns: 1fr; }
  .sv-hero-copy { padding: 54px 0 6px; }
  .sv-hero-visual { width: min(560px, 92%); margin-left: auto; }
  .sv-image-crop-core { height: 480px; }
  .sv-proof-strip { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
  .sv-proof-strip p { grid-column: 1 / -1; text-align: left; }
  .sv-section { padding: 52px 0; }
  .sv-system { padding: 56px 0; }
  .sv-system-copy { align-items: start; }
  .sv-system-copy .sv-eyebrow { grid-column: auto; }
  .sv-system-copy h2 { margin-bottom: 20px; }
  .sv-case-intro { gap: 44px; }
  .sv-reel-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
}

@media (max-width: 560px) {
  .sv-hero { padding-top: 68px; }
  .sv-hero h1 { font-size: 42px; }
  .sv-hero h1 em { white-space: normal; }
  .sv-hero-copy { padding-top: 42px; }
  .sv-actions { align-items: stretch; flex-direction: column; }
  .sv-button { width: 100%; }
  .sv-button-text { width: max-content; }
  .sv-hero-visual { width: 94%; }
  .sv-image-crop-core { height: 410px; }
  .sv-image-crop-core img { object-position: 100% 55%; transform: scale(1.6); transform-origin: right center; }
  .sv-hero-visual figcaption { right: -8px; bottom: 20px; }
  .sv-proof-strip { grid-template-columns: 1fr 1fr; gap: 22px 10px; margin-top: 0; padding: 24px 20px; }
  .sv-proof-strip > div:nth-child(3) { grid-column: 1 / -1; }
  .sv-section { padding: 68px 0; }
  .sv-section-head h2,
  .sv-system h2,
  .sv-cases h2,
  .sv-final-cta h2 { font-size: 37px; }
  .sv-problem-layout { gap: 36px; }
  .sv-problem-list article { grid-template-columns: 34px 1fr; padding: 18px 0; }
  .sv-problem-list small { grid-column: 2; }
  .sv-service-specs > article { grid-template-columns: 82px 1fr; }
  .sv-service-specs strong { font-size: 42px; }
  .sv-capability-grid { grid-template-columns: 1fr 1fr; }
  .sv-system { padding: 48px 0; }
  .sv-advantage-board { width: 116%; margin-left: -8%; }
  .sv-matrix-grid { grid-template-columns: 1fr; }
  .sv-matrix-core { grid-row: auto; min-height: 270px; }
  .sv-matrix-grid article { min-height: 190px; }
  .sv-flow-list li { grid-template-columns: 54px 1fr; padding: 22px 0; }
  .sv-flow-list li div { grid-template-columns: 1fr; gap: 8px; }
  .sv-flow-list h3 { font-size: 20px; }
  .sv-flow-list p { font-size: 14px; }
  .sv-cases { padding: 52px 0; }
  .sv-case-visual { height: 310px; }
  .sv-reel-grid { grid-template-columns: 1fr 1fr; gap: 26px 10px; }
  .sv-reel-grid p { display: block; }
  .sv-reel-grid p span,
  .sv-reel-grid p b { display: block; }
  .sv-reel-grid p span { margin-bottom: 4px; }
  .sv-deliver-list { grid-template-columns: 1fr; }
  .sv-final-cta { padding: 56px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sv-page-shell *,
  .sv-page-shell *::before,
  .sv-page-shell *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
*/

/* UI board alignment v2 — complete artwork, compact chapter rhythm */
html,
body { overflow-x: clip; }

.short-page {
  background: var(--sv-paper);
  color: var(--sv-ink);
  font-family: var(--sv-font-body);
}

.short-page main > section { display: none !important; }
.short-page .sv-page-shell * { box-sizing: border-box; }
.short-page .sv-page-shell h1,
.short-page .sv-page-shell h2,
.short-page .sv-page-shell h3,
.short-page .sv-page-shell p,
.short-page .sv-page-shell figure { margin-top: 0; }

.short-page .sv-page-shell {
  overflow: clip;
  background: var(--sv-paper);
}

.short-page .sv-page-shell h1,
.short-page .sv-page-shell h2,
.short-page .sv-page-shell h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--sv-font-display);
  font-style: normal;
  letter-spacing: -0.035em;
}

.short-page .sv-page-shell img { max-width: 100%; }

.sv-hero {
  position: relative;
  min-height: 0;
  padding: var(--sv-space-xl) 0 clamp(2.75rem, 5vw, 3.5rem);
  overflow: hidden;
  color: var(--sv-ink-dark);
  background: var(--sv-navy);
}

.sv-grid-lines {
  position: absolute;
  inset: 0;
  opacity: 1;
  background-image:
    linear-gradient(var(--sv-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sv-grid-line) 1px, transparent 1px);
  background-size: var(--sv-space-2xl) var(--sv-space-2xl);
  -webkit-mask-image: linear-gradient(to bottom, transparent, var(--sv-ink) 20%, transparent);
  mask-image: linear-gradient(to bottom, transparent, var(--sv-ink) 20%, transparent);
}

.sv-hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sv-space-xl);
  align-items: center;
}

.sv-hero-copy { padding: 0; }

.sv-kicker {
  margin: 0 0 var(--sv-space-md);
  color: var(--sv-cyan);
  font-family: var(--sv-font-signal);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.sv-hero h1 {
  max-width: 9ch;
  margin: 0 0 var(--sv-space-lg);
  color: var(--sv-ink-dark);
  font-size: clamp(2.7rem, 9vw, 5.3rem);
  font-weight: 900;
  line-height: 1.08;
}

.sv-hero h1 span { color: var(--sv-cyan); }

.sv-lead {
  max-width: 35rem;
  margin: 0;
  color: var(--sv-muted-dark);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  font-weight: 500;
  line-height: 1.75;
}

.sv-actions {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: center;
  gap: var(--sv-space-sm);
  margin-top: var(--sv-space-lg);
}

.sv-button {
  display: inline-flex;
  width: auto;
  min-height: 2.875rem;
  align-items: center;
  justify-content: center;
  gap: var(--sv-space-sm);
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 900;
  white-space: nowrap;
  transition: transform var(--sv-duration) var(--sv-ease-out), background-color var(--sv-duration) var(--sv-ease-out);
}

.sv-button-primary {
  color: var(--sv-accent-ink);
  background: var(--sv-blue);
  box-shadow: none;
}

.sv-button-text {
  color: var(--sv-ink-dark);
  background: transparent;
  border-color: var(--sv-border-dark);
}

.sv-button:focus-visible,
.sv-full-board:focus-visible {
  outline: 3px solid var(--sv-cyan);
  outline-offset: 4px;
}

.sv-button[aria-disabled="true"],
.sv-button.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
  pointer-events: none;
}

.sv-platform-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sv-space-xs);
  margin-top: var(--sv-space-lg);
  color: var(--sv-muted-dark);
  font-family: var(--sv-font-body);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.sv-platform-row span {
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  padding: 0 0.6rem;
  border: 1px solid var(--sv-border-dark);
  border-radius: 999px;
  color: var(--sv-ink-dark);
  background: var(--sv-navy-raised);
}

.sv-console {
  min-width: 0;
  padding: var(--sv-space-md);
  border: 1px solid var(--sv-border-dark);
  border-radius: 1.5rem;
  background: var(--sv-navy-raised);
}

.sv-console-top {
  display: flex;
  min-height: 2.25rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--sv-space-md);
  color: var(--sv-muted-dark);
  font-family: var(--sv-font-signal);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.sv-console-top b { color: var(--sv-cyan); }

.sv-console-body {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  grid-template-areas: "reel script" "reel render" "reel growth";
  gap: var(--sv-space-sm);
}

.sv-console-reel {
  grid-area: reel;
  position: relative;
  display: block;
  min-height: 18rem;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--sv-border-dark);
  border-radius: 1.25rem;
  background: var(--sv-navy);
}

.sv-console-reel img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.sv-console-reel i {
  display: grid;
  width: 4rem;
  height: 4rem;
  margin: auto;
  place-items: center;
  border: 1px solid var(--sv-border-dark);
  border-radius: 1.15rem;
  color: var(--sv-cyan);
  font-style: normal;
  font-size: 1.55rem;
}

.sv-console-reel b { margin-top: var(--sv-space-md); }
.sv-console-reel small { margin-top: var(--sv-space-xs); color: var(--sv-muted-dark); }

.sv-console-stat {
  display: flex;
  min-width: 0;
  min-height: 5.5rem;
  flex-direction: column;
  justify-content: center;
  padding: var(--sv-space-md);
  border: 1px solid var(--sv-border-dark);
  border-radius: 1rem;
  background: var(--sv-navy);
}

.sv-console-stat small { color: var(--sv-cyan); font-family: var(--sv-font-body); font-size: 0.62rem; letter-spacing: 0.08em; }
.sv-console-stat b,
.sv-console-stat strong { margin-top: 0.2rem; font-size: 1.08rem; }
.sv-console-stat > span { margin-top: 0.25rem; color: var(--sv-muted-dark); font-size: 0.68rem; }
.sv-console-script { grid-area: script; }
.sv-console-render { grid-area: render; }
.sv-console-growth { grid-area: growth; }

@media (max-width: 39.99rem) {
  .sv-hero { padding: 2.5rem 0 3rem; }
  .sv-hero-layout { gap: 1.75rem; }
  .sv-platform-row { margin-top: 1.25rem; }
  .sv-console { padding: 0.95rem; border-radius: 1.25rem; }
  .sv-console-body { gap: 0.65rem; }
  .sv-console-reel { min-height: 18rem; padding: 0; }
  .sv-console-reel b { font-size: 0.84rem; white-space: nowrap; }
  .sv-console-reel small { font-size: 0.67rem; line-height: 1.45; }
  .sv-console-stat { min-height: 5.1rem; padding: 0.75rem; }
}

.sv-board-section {
  display: grid;
  padding: clamp(1.1rem, 2.5vw, 2rem) clamp(0.75rem, 2.2vw, 1.5rem);
  place-items: center;
}

.sv-board-section-light { background: var(--sv-surface); }
.sv-board-section-dark { background: var(--sv-navy); }

.sv-full-board {
  display: flex;
  width: min(100%, 72rem);
  min-width: 0;
  justify-content: center;
  border-radius: clamp(0.65rem, 1.5vw, 1.35rem);
}

.sv-full-board img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: calc(100svh - 8.5rem);
  object-fit: contain;
  border-radius: inherit;
  box-shadow: 0 1.125rem 3rem var(--sv-shadow);
}

.sv-section {
  padding: clamp(2rem, 3.75vw, 3.25rem) 0;
  background: var(--sv-paper);
}

.sv-section-head {
  max-width: 38rem;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
}

.sv-section-head-centered {
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
}

.sv-section-head h2,
.sv-matrix h2,
.sv-final-cta h2 {
  margin: 0 0 var(--sv-space-md);
  color: var(--sv-ink);
  font-size: clamp(2rem, 4.2vw, 3.35rem);
  font-weight: 900;
  line-height: 1.18;
}

.sv-section-head p {
  max-width: 34rem;
  margin: 0;
  color: var(--sv-muted);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.75;
}

.sv-problem { background: var(--sv-surface); }
.sv-problem-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; align-items: start; }

.sv-problem-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--sv-line);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--sv-paper);
}

.sv-problem-list article {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  min-height: 0;
  padding: var(--sv-space-md);
  border: 0;
  border-bottom: 1px solid var(--sv-line);
  transition: none;
}

.sv-problem-list article:last-child { border-bottom: 0; }
.sv-problem-list article:hover { padding-inline: var(--sv-space-md); color: inherit; }
.sv-problem-list span { font-size: 1rem; font-weight: 900; }
.sv-problem-list small { max-width: none; color: var(--sv-muted); font-size: 0.84rem; font-weight: 500; }

.sv-services { background: var(--sv-paper-blue); }
.sv-service-cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sv-space-md); }

.sv-service-cards article {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--sv-line);
  border-radius: 1rem;
  background: var(--sv-surface);
  box-shadow: 0 0.65rem 1.8rem var(--sv-shadow);
}

.sv-service-cards img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.sv-service-cards article > div { padding: var(--sv-space-md); }
.sv-service-cards small { color: var(--sv-blue); font-size: 0.72rem; font-weight: 900; }
.sv-service-cards h3 { margin: 0.55rem 0 0.45rem; font-size: 1.25rem; font-weight: 900; }
.sv-service-cards p { margin: 0; color: var(--sv-muted); font-size: 0.88rem; line-height: 1.65; }

.sv-matrix {
  padding: clamp(2.75rem, 4.5vw, 3.75rem) 0;
  color: var(--sv-ink-dark);
  background: var(--sv-navy);
}

.sv-matrix-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sv-space-xl); align-items: center; }
.sv-section-head-dark h2,
.sv-matrix h2 { color: var(--sv-ink-dark); }
.sv-section-head-dark p,
.sv-matrix .sv-section-head p { color: var(--sv-muted-dark); }

.sv-matrix-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sv-space-sm);
}

.sv-matrix-map > span {
  display: grid;
  min-height: 2.8rem;
  place-items: center;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--sv-border-dark);
  border-radius: 999px;
  color: var(--sv-ink-dark);
  font-size: 0.83rem;
  font-weight: 700;
  text-align: center;
}

.sv-matrix-core {
  grid-column: 1 / -1;
  grid-row: auto;
  display: flex;
  min-height: 8.5rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sv-space-lg);
  border: 1px solid var(--sv-border-dark);
  border-radius: 1.4rem;
  color: var(--sv-ink-dark);
  background: var(--sv-blue);
}

.sv-matrix-core strong { font-family: var(--sv-font-display); font-size: clamp(1.45rem, 3vw, 2.25rem); font-weight: 900; }
.sv-matrix-core span { margin-top: var(--sv-space-xs); color: var(--sv-accent-ink); font-family: var(--sv-font-body); font-size: 0.72rem; letter-spacing: 0.08em; }

.sv-flow { background: var(--sv-surface); }
.sv-flow-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sv-space-sm); margin: 0; padding: 0; border: 0; list-style: none; }

.sv-flow-list li {
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  gap: var(--sv-space-sm);
  align-items: start;
  min-height: 0;
  padding: var(--sv-space-md);
  border: 1px solid var(--sv-line);
  border-radius: 0.85rem;
  background: var(--sv-paper);
}

.sv-flow-list li > b { color: var(--sv-blue); font-family: var(--sv-font-body); font-size: 0.9rem; }
.sv-flow-list li div { display: block; }
.sv-flow-list h3 { margin: 0 0 0.4rem; font-size: 1rem; font-weight: 900; }
.sv-flow-list p { margin: 0; color: var(--sv-muted); font-size: 0.8rem; font-weight: 500; line-height: 1.55; }

.sv-deliverables { background: var(--sv-paper-blue); }
.sv-deliver-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; align-items: center; }
.sv-deliver-list { display: grid; grid-template-columns: minmax(0, 1fr); border: 1px solid var(--sv-line); border-radius: 1rem; overflow: hidden; background: var(--sv-surface); }
.sv-deliver-list span { padding: 1rem 1rem 1rem 2.55rem; border: 0; border-bottom: 1px solid var(--sv-line); font-size: 0.9rem; font-weight: 900; }
.sv-deliver-list span:last-child { border-bottom: 0; }
.sv-deliver-list span::before { left: 1rem; color: var(--sv-blue); }

.sv-cases {
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0;
  color: var(--sv-ink-dark);
  background: var(--sv-navy);
}

.sv-case-stack { display: grid; gap: clamp(1rem, 2.25vw, 1.5rem); }
.sv-full-board-dark { width: min(100%, 72rem); margin-inline: auto; }
.sv-full-board-dark img { box-shadow: none; }

.sv-showcase { background: var(--sv-surface); }
.sv-showcase-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sv-space-md); }
.sv-showcase-grid article { min-width: 0; margin: 0; }
.sv-showcase-grid img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 0.75rem; }
.sv-showcase-grid h3 { margin: 0.65rem 0 0; font-size: 0.9rem; font-weight: 900; letter-spacing: -0.015em; }

.sv-fit { background: var(--sv-paper-blue); }
.sv-fit-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.sv-fit-cloud { display: flex; flex-wrap: wrap; gap: var(--sv-space-sm); align-content: start; }
.sv-fit-cloud span { padding: 0.75rem 1rem; border: 1px solid var(--sv-line); border-radius: 999px; background: var(--sv-surface); font-size: 0.84rem; font-weight: 700; }

.sv-final-cta {
  position: relative;
  padding: clamp(2.75rem, 4.5vw, 3.75rem) 0;
  overflow: hidden;
  color: var(--sv-accent-ink);
  text-align: center;
  background: var(--sv-blue);
}

.sv-final-cta::before { content: none; }
.sv-final-cta h2 { margin-bottom: var(--sv-space-md); color: var(--sv-accent-ink); font-size: clamp(2rem, 4vw, 3.35rem); }
.sv-final-cta > div > p { max-width: 42rem; margin: 0 auto var(--sv-space-lg); color: var(--sv-accent-ink); font-size: 1rem; font-weight: 700; line-height: 1.7; }
.sv-final-cta .sv-button-primary { color: var(--sv-ink); background: var(--sv-surface); }

@media (hover: hover) and (pointer: fine) {
  .sv-button:hover { transform: translateY(-2px); }
  .sv-button:active { transform: translateY(0); }
}

@media (min-width: 40rem) {
  .sv-service-cards,
  .sv-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-problem-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-problem-list article:nth-last-child(2) { border-bottom: 0; }
  .sv-problem-list article:nth-child(odd) { border-right: 1px solid var(--sv-line); }
  .sv-flow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-deliver-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sv-deliver-list span:nth-child(odd) { border-right: 1px solid var(--sv-line); }
  .sv-deliver-list span:nth-last-child(2) { border-bottom: 0; }
  .sv-matrix-map { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sv-matrix-core { grid-column: 2 / 4; }
}

@media (min-width: 60rem) {
  .sv-hero { padding: clamp(2.75rem, 4vw, 3.5rem) 0 clamp(3rem, 5vw, 4rem); }
  .sv-hero-layout { grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr); gap: clamp(2rem, 4.5vw, 3.75rem); }
  .sv-console { padding: var(--sv-space-lg); }
  .sv-console-reel { min-height: 21rem; }
  .sv-problem-layout { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 4.5vw, 3.75rem); }
  .sv-problem-layout .sv-section-head,
  .sv-deliver-layout .sv-section-head,
  .sv-fit-layout .sv-section-head { margin-bottom: 0; }
  .sv-service-cards,
  .sv-showcase-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sv-service-cards { align-items: stretch; }
  .sv-service-cards article { display: grid; grid-template-rows: auto 1fr; }
  .sv-service-cards article > div { display: flex; flex-direction: column; }
  .sv-service-cards p { margin-top: auto; }
  .sv-matrix-layout { grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); gap: clamp(2rem, 4.5vw, 3.75rem); }
  .sv-matrix-layout .sv-section-head { margin-bottom: 0; }
  .sv-flow-list { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sv-flow-list li { grid-template-columns: minmax(0, 1fr); min-height: 10.5rem; }
  .sv-deliver-layout { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 4.5vw, 3.75rem); }
  .sv-fit-layout { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 4.5vw, 3.75rem); align-items: center; }
}

@media (pointer: coarse) {
  .sv-button { min-height: 3rem; }
}

/* Scroll choreography — one reveal per module, then the page stays settled. */
.sv-page-shell.scroll-reveal-ready [data-scroll-reveal] {
  opacity: 0;
  will-change: transform, opacity;
  transition:
    opacity var(--sv-reveal-fade-duration) var(--sv-ease-out) var(--reveal-delay, 0ms),
    transform var(--sv-reveal-duration) var(--sv-ease-out) var(--reveal-delay, 0ms);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="hero-left"] {
  transform: translate3d(calc(var(--sv-space-xl) * -1), 0, 0);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="hero-right"] {
  transform: translate3d(var(--sv-space-xl), 0, 0) scale(0.98);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="rise"],
.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="card"] {
  transform: translate3d(0, var(--sv-space-lg), 0);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="board"] {
  transform: translate3d(0, var(--sv-space-lg), 0) scale(0.97);
  transform-origin: center center;
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="chip"] {
  transform: translate3d(0, var(--sv-space-md), 0) scale(0.96);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="case-left"] {
  transform: translate3d(calc(var(--sv-space-xl) * -1), var(--sv-space-md), 0) scale(0.98);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal="case-right"] {
  transform: translate3d(var(--sv-space-xl), var(--sv-space-md), 0) scale(0.98);
}

.sv-page-shell.scroll-reveal-ready [data-scroll-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  will-change: auto;
}

@media (prefers-reduced-motion: reduce) {
  .sv-button { transition-duration: 150ms; }
  .sv-page-shell.scroll-reveal-ready [data-scroll-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }
}

/* Short-video motion layer: enhancement only — content remains visible without JavaScript. */
@media (prefers-reduced-motion: no-preference) {
  .sv-hero::after {
    content: "";
    position: absolute;
    inset: -35% -15%;
    pointer-events: none;
    background: radial-gradient(ellipse at 68% 54%, oklch(72% .16 215 / .14), transparent 42%);
    animation: sv-hero-aura 9s ease-in-out infinite alternate;
  }

  .sv-grid-lines { animation: sv-grid-drift 16s linear infinite; }

  .sv-page-shell.sv-motion-ready [data-sv-motion] {
    opacity: 0;
    transform: translate3d(0, 1.25rem, 0);
    transition:
      opacity 560ms var(--sv-ease-out) var(--sv-motion-delay, 0ms),
      transform 700ms var(--sv-ease-out) var(--sv-motion-delay, 0ms);
  }

  .sv-page-shell.sv-motion-ready [data-sv-motion="hero-copy"] { transform: translate3d(-1.75rem, 0, 0); }
  .sv-page-shell.sv-motion-ready [data-sv-motion="console"] { transform: translate3d(1.75rem, 0, 0) scale(.975); }
  .sv-page-shell.sv-motion-ready [data-sv-motion="board"] { transform: translate3d(0, 1.5rem, 0) scale(.985); }
  .sv-page-shell.sv-motion-ready [data-sv-motion="card"] { transform: translate3d(0, 1rem, 0) scale(.985); }

  .sv-page-shell.sv-motion-ready [data-sv-motion].is-sv-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }

  .sv-console.is-sv-visible {
    box-shadow: 0 1.5rem 4rem oklch(8% .04 258 / .42), 0 0 0 1px oklch(78% .15 210 / .08);
  }

  .sv-console-top b { animation: sv-live-pulse 1.8s ease-in-out infinite; }
  .sv-console-reel i { animation: sv-play-float 3.6s ease-in-out infinite; }
  .sv-console-growth strong { animation: sv-metric-breathe 2.8s ease-in-out infinite; }
  .sv-console-render strong { animation: sv-metric-breathe 3.4s .45s ease-in-out infinite; }

  .sv-hero-copy.is-sv-visible .sv-platform-row span {
    animation: sv-chip-in 440ms var(--sv-ease-out) both;
  }
  .sv-hero-copy.is-sv-visible .sv-platform-row span:nth-child(2) { animation-delay: 110ms; }
  .sv-hero-copy.is-sv-visible .sv-platform-row span:nth-child(3) { animation-delay: 180ms; }
  .sv-hero-copy.is-sv-visible .sv-platform-row span:nth-child(4) { animation-delay: 250ms; }

  .sv-service-cards article,
  .sv-showcase-grid article,
  .sv-flow-list li,
  .sv-problem-list article { transition: transform 260ms var(--sv-ease-out), box-shadow 260ms var(--sv-ease-out), border-color 260ms var(--sv-ease-out); }

  .sv-service-cards article:hover,
  .sv-showcase-grid article:hover,
  .sv-flow-list li:hover {
    transform: translateY(-.35rem);
    box-shadow: 0 1.25rem 2.25rem oklch(18% .035 258 / .13);
  }

  .sv-full-board:hover img { transform: scale(1.012); }
  .sv-full-board img { transition: transform 520ms var(--sv-ease-out); }
}

@keyframes sv-hero-aura {
  from { opacity: .45; transform: translate3d(-3%, -2%, 0) scale(.94); }
  to { opacity: 1; transform: translate3d(4%, 3%, 0) scale(1.08); }
}

@keyframes sv-grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 4rem 4rem, 4rem 4rem; }
}

@keyframes sv-live-pulse {
  0%, 100% { opacity: .62; text-shadow: 0 0 0 transparent; }
  50% { opacity: 1; text-shadow: 0 0 1rem oklch(79% .15 210 / .85); }
}

@keyframes sv-play-float {
  0%, 100% { transform: translateY(0) scale(1); box-shadow: 0 0 0 oklch(79% .15 210 / 0); }
  50% { transform: translateY(-.35rem) scale(1.035); box-shadow: 0 .65rem 1.4rem oklch(65% .16 220 / .28); }
}

@keyframes sv-metric-breathe {
  0%, 100% { color: var(--sv-ink-dark); }
  50% { color: var(--sv-cyan); text-shadow: 0 0 .9rem oklch(79% .15 210 / .42); }
}

@keyframes sv-chip-in {
  from { opacity: 0; transform: translateY(.5rem) scale(.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
