:root {
  --bg: #09090d;
  --panel: #111117;
  --panel-2: #16151d;
  --text: #f5f3fa;
  --muted: #a5a1af;
  --line: rgba(255, 255, 255, .1);
  --violet: #8765ff;
  --violet-light: #a991ff;
  --cyan: #7bdff2;
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Manrope", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { color: inherit; font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
}
.site-header.is-scrolled {
  background: rgba(9, 9, 13, .82);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 800; letter-spacing: -.04em; }
.brand-mark { position: relative; width: 30px; height: 30px; display: inline-block; transform: rotate(45deg); }
.brand-mark i { position: absolute; display: block; width: 16px; height: 16px; border: 2px solid var(--violet-light); border-radius: 4px; }
.brand-mark i:first-child { left: 1px; top: 1px; }
.brand-mark i:last-child { right: 1px; bottom: 1px; border-color: var(--cyan); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav > a:not(.button) { color: #cbc7d2; font-size: 14px; font-weight: 600; transition: color .2s; }
.main-nav > a:not(.button):hover { color: white; }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); background: transparent; border-radius: 12px; }
.menu-button > span:not(.sr-only) { display: block; width: 100%; height: 1px; margin: 5px 0; background: white; transition: transform .2s, opacity .2s; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: white;
  background: linear-gradient(135deg, #7651f7, #9b70ff);
  box-shadow: 0 14px 44px rgba(119, 80, 250, .24);
  font-size: 15px;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 54px rgba(119, 80, 250, .36); }
.button span { font-size: 18px; }
.button-small { min-height: 42px; padding-inline: 18px; border-radius: 11px; font-size: 13px; }
.button-light { color: #15111f; background: white; box-shadow: 0 16px 45px rgba(0, 0, 0, .25); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: #d9d5df; font-size: 14px; font-weight: 700; }
.text-link span { color: var(--violet-light); font-size: 18px; }
.text-link.violet { color: var(--violet-light); }

.hero { position: relative; min-height: 100vh; padding: 150px 0 40px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .14; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.hero-glow { position: absolute; pointer-events: none; border-radius: 50%; filter: blur(110px); opacity: .17; }
.hero-glow-one { width: 520px; height: 520px; right: 8%; top: 6%; background: #6540ff; }
.hero-glow-two { width: 380px; height: 380px; left: -15%; bottom: 4%; background: #27a6bf; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 56px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #bdb8c5; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow > span { width: 8px; height: 8px; border-radius: 50%; background: var(--violet-light); box-shadow: 0 0 20px var(--violet); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 650px; margin: 24px 0 25px; font-size: clamp(52px, 5.4vw, 78px); line-height: .98; letter-spacing: -.065em; }
.hero-lead { max-width: 610px; margin-bottom: 34px; color: #b8b3c0; font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.hero-notes { display: flex; gap: 28px; padding: 0; margin: 45px 0 0; list-style: none; }
.hero-notes li { color: #dad6df; font-size: 13px; font-weight: 700; }
.hero-notes li span { margin-right: 6px; color: #77727f; font-size: 10px; }
.hero-visual { position: relative; min-width: 0; }
.visual-frame { position: relative; padding: 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 27px; background: rgba(255,255,255,.035); box-shadow: 0 35px 90px rgba(0,0,0,.48); transform: perspective(1400px) rotateY(-4deg) rotateX(2deg); }
.visual-frame::after { content: ""; position: absolute; inset: 10px; border-radius: 18px; box-shadow: inset 0 0 80px rgba(8, 8, 12, .36); pointer-events: none; }
.visual-frame img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: center; border-radius: 18px; }
.visual-label { position: absolute; z-index: 2; padding: 11px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; color: #eae7ef; background: rgba(14, 13, 20, .74); backdrop-filter: blur(16px); box-shadow: 0 12px 35px rgba(0,0,0,.28); font-size: 11px; font-weight: 700; letter-spacing: .04em; }
.visual-label-top { top: 28px; right: 24px; }
.visual-label-bottom { left: 24px; bottom: 28px; }
.model-line { position: relative; z-index: 1; display: flex; align-items: center; gap: 44px; margin-top: 68px; padding-top: 26px; border-top: 1px solid var(--line); }
.model-line > span { color: #77727f; font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; white-space: nowrap; }
.model-line > div { display: flex; align-items: center; justify-content: space-between; flex: 1; gap: 22px; }
.model-line b { color: #aaa5b1; font-size: 14px; letter-spacing: -.02em; }

.section { padding: 120px 0; }
.section-soft { background: #0d0d12; border-block: 1px solid rgba(255,255,255,.055); }
.section-index { display: block; margin-bottom: 20px; color: var(--violet-light); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-head { display: grid; grid-template-columns: 1.2fr .75fr; gap: 80px; align-items: end; margin-bottom: 56px; }
.section-head.compact { grid-template-columns: 1fr; }
h2 { margin-bottom: 0; font-size: clamp(38px, 4vw, 58px); line-height: 1.06; letter-spacing: -.05em; }
.section-head > p, .sticky-copy > p { margin-bottom: 4px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { position: relative; min-height: 310px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.02), transparent); transition: background .25s, transform .25s; }
.feature-card:hover { background: rgba(126, 92, 246, .07); transform: translateY(-4px); }
.card-number { position: absolute; top: 24px; right: 24px; color: #67626d; font-size: 10px; }
.feature-icon { display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 64px; border: 1px solid rgba(156,113,255,.34); border-radius: 13px; color: #c6b7ff; background: rgba(126,92,246,.08); font-size: 15px; font-weight: 700; }
.feature-card h3 { margin-bottom: 13px; font-size: 19px; letter-spacing: -.03em; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.scenarios-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 110px; }
.sticky-copy { position: sticky; top: 130px; align-self: start; }
.sticky-copy h2 { margin-bottom: 26px; }
.sticky-copy > p { margin-bottom: 30px; }
.scenario { position: relative; padding: 12px 0 44px 100px; margin-bottom: 38px; border-bottom: 1px solid var(--line); }
.scenario:last-child { margin-bottom: 0; }
.scenario > span { position: absolute; top: 15px; left: 0; color: var(--violet-light); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.scenario h3 { margin-bottom: 13px; font-size: clamp(25px, 2.4vw, 34px); letter-spacing: -.04em; }
.scenario p { margin-bottom: 0; color: var(--muted); line-height: 1.7; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 0; margin: 0; list-style: none; counter-reset: none; }
.steps > li { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); display: flex; flex-direction: column; justify-content: space-between; }
.steps > li > span { color: var(--violet-light); font-size: 11px; font-weight: 800; }
.steps h3 { margin-bottom: 12px; font-size: 22px; letter-spacing: -.035em; }
.steps p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.center-action { display: flex; justify-content: center; margin-top: 36px; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 100px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 26px 4px; cursor: pointer; list-style: none; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { display: grid; place-items: center; min-width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%; color: var(--violet-light); transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 720px; padding: 0 46px 25px 4px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

.final-section { padding: 72px 0; }
.final-card { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 50px; min-height: 310px; padding: 58px; overflow: hidden; border-radius: 26px; background: linear-gradient(125deg, #6744de, #8b61f0 58%, #4033a3); }
.final-card::after { content: ""; position: absolute; width: 380px; height: 380px; right: 10%; top: -70%; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; box-shadow: 0 0 0 55px rgba(255,255,255,.04), 0 0 0 110px rgba(255,255,255,.025); }
.final-card > * { position: relative; z-index: 1; }
.final-card h2 { max-width: 710px; margin-top: 20px; font-size: clamp(34px, 4vw, 53px); }
.final-card .eyebrow { color: rgba(255,255,255,.72); }
.final-card .eyebrow > span { background: white; box-shadow: 0 0 20px rgba(255,255,255,.6); }

.site-footer { padding: 55px 0 34px; border-top: 1px solid var(--line); background: #08080b; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 34px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 28px; }
.footer-links a { color: #aaa5b1; font-size: 12px; transition: color .2s; }
.footer-links a:hover, .footer-bottom a:hover { color: white; }
.footer-bottom { display: grid; grid-template-columns: 1fr 1.6fr auto; gap: 36px; align-items: start; padding-top: 30px; border-top: 1px solid var(--line); }
.footer-bottom p { margin-bottom: 7px; color: #736e79; font-size: 11px; line-height: 1.65; }
.footer-bottom > p:last-child { white-space: nowrap; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.reveal-delay-short { transition-delay: .08s; }
.reveal.reveal-delay { transition-delay: .16s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1020px) {
  .hero { min-height: auto; padding-top: 130px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-visual { max-width: 800px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scenarios-grid, .faq-grid { gap: 55px; }
  .footer-bottom { grid-template-columns: 1fr 1fr; }
  .footer-bottom > p:last-child { grid-column: 2; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 32px, 1180px); }
  .header-inner { min-height: 68px; }
  .menu-button { display: block; position: relative; z-index: 22; }
  .menu-button.is-open > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-button.is-open > span:nth-child(2) { opacity: 0; }
  .menu-button.is-open > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { position: fixed; inset: 0; z-index: 21; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 24px; padding: 84px 26px 36px; background: rgba(9,9,13,.98); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .22s, transform .22s; }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .main-nav > a:not(.button) { font-size: 25px; }
  .main-nav .button { margin-top: 12px; width: 100%; }
  .hero { padding: 110px 0 34px; }
  .hero-grid { gap: 42px; }
  h1 { font-size: clamp(44px, 14vw, 64px); }
  .hero-lead { font-size: 16px; line-height: 1.65; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-actions .button { width: 100%; }
  .hero-notes { gap: 14px; justify-content: space-between; }
  .hero-notes li { font-size: 11px; }
  .visual-frame { transform: none; border-radius: 20px; }
  .visual-frame img { min-height: 330px; object-position: 63% center; border-radius: 13px; }
  .visual-label { font-size: 9px; }
  .visual-label-top { top: 22px; right: 18px; }
  .visual-label-bottom { left: 18px; bottom: 22px; }
  .model-line { display: block; margin-top: 45px; }
  .model-line > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px 12px; margin-top: 20px; }
  .model-line b { font-size: 12px; }
  .section { padding: 82px 0; }
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 38px; }
  h2 { font-size: clamp(36px, 11vw, 48px); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 270px; }
  .feature-icon { margin-bottom: 50px; }
  .scenarios-grid, .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .sticky-copy { position: static; }
  .scenario { padding-left: 0; padding-top: 43px; }
  .scenario > span { top: 10px; }
  .steps { grid-template-columns: 1fr; }
  .steps > li { min-height: 215px; }
  .final-section { padding: 48px 0; }
  .final-card { min-height: 430px; padding: 34px 24px; align-items: flex-start; flex-direction: column; justify-content: space-between; }
  .final-card .button { width: 100%; }
  .footer-top { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
  .footer-bottom { grid-template-columns: 1fr; gap: 18px; }
  .footer-bottom > p:last-child { grid-column: auto; }
}
