:root {
  --ink: #171b27;
  --ink-soft: #424958;
  --paper: #f4f7fb;
  --paper-warm: #f4f0e8;
  --line: rgba(31, 43, 60, 0.14);
  --blue: #587fb8;
  --blue-dark: #385d95;
  --gold: #c7a76f;
  --night: #11141b;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --shadow: 0 24px 80px rgba(30, 39, 55, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-weight: 300; }
body.intro-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
img { display: block; width: 100%; }

.section-shell { padding-left: clamp(24px, 6vw, 96px); padding-right: clamp(24px, 6vw, 96px); }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; letter-spacing: .12em; }
.wordmark--light { color: #fff; }
.wordmark__seal { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-family: var(--serif); font-size: 13px; }
.eyebrow { margin: 0 0 16px; color: var(--blue-dark); font-size: 12px; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow--light { color: #c9d8ee; }
.pill { display: inline-flex; margin: 0 0 28px; padding: 8px 14px; border: 1px solid rgba(88,127,184,.18); border-radius: 999px; background: rgba(255,255,255,.6); color: var(--blue-dark); font-size: 12px; letter-spacing: .08em; box-shadow: 0 8px 30px rgba(86,111,150,.08); }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 18px; padding: 0 28px; border: 1px solid transparent; border-radius: 14px; font-weight: 400; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--blue); color: white; box-shadow: 0 14px 30px rgba(64,95,145,.24); }
.button--primary:hover { background: var(--blue-dark); box-shadow: 0 18px 36px rgba(64,95,145,.3); }
.button--secondary { border-color: rgba(38,49,66,.12); background: rgba(255,255,255,.72); box-shadow: 0 8px 22px rgba(45,54,70,.08); }
.ghost-button { border: 1px solid rgba(26,31,42,.18); border-radius: 999px; background: transparent; padding: 10px 18px; cursor: pointer; }
.ghost-button--light { border-color: rgba(255,255,255,.38); color: white; background: rgba(10,12,16,.14); backdrop-filter: blur(12px); }

.intro { position: fixed; z-index: 1000; inset: 0; overflow: hidden; color: white; background: #111; transition: opacity .7s ease, visibility .7s ease; }
.intro.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.intro__image { position: absolute; inset: 0; background-position: center; background-size: cover; transform: scale(1.025); transition: background-image .8s ease, opacity .45s ease; }
.intro__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,7,10,.72) 0%, rgba(5,7,10,.28) 55%, rgba(5,7,10,.44) 100%), linear-gradient(0deg, rgba(4,6,9,.65), transparent 50%); }
.intro__top, .intro__controls { position: absolute; z-index: 2; left: 30px; right: 30px; display: flex; align-items: center; justify-content: space-between; }
.intro__top { top: 24px; }
.intro__content { position: absolute; z-index: 2; top: 50%; left: 50%; width: min(920px, calc(100% - 48px)); text-align: center; transform: translate(-50%,-50%); }
.intro__content h1 { margin: 0 auto 22px; font-family: var(--serif); font-size: clamp(34px, 5.5vw, 72px); font-weight: 500; line-height: 1.28; text-shadow: 0 6px 40px rgba(0,0,0,.4); }
.intro__content > p:last-child { margin: 0; color: rgba(255,255,255,.78); font-size: clamp(14px, 1.5vw, 19px); }
.intro__controls { bottom: 26px; }
.intro__progress { display: flex; align-items: center; gap: 13px; font-size: 12px; letter-spacing: .14em; }
.intro__line { width: min(280px, 24vw); height: 1px; overflow: hidden; background: rgba(255,255,255,.28); }
.intro__line i { display: block; width: 20%; height: 100%; background: white; transition: width .5s ease; }

.site-header { position: sticky; z-index: 50; top: 0; display: flex; min-height: 74px; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 6vw, 96px); border-bottom: 1px solid rgba(47,59,74,.08); background: rgba(247,249,252,.82); backdrop-filter: blur(20px); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); font-size: 13px; font-weight: 400; }
.site-nav a:not(.nav-cta) { position: relative; }
.site-nav a:not(.nav-cta)::after { position: absolute; bottom: -6px; left: 0; width: 0; height: 1px; background: var(--ink); content: ""; transition: width .25s ease; }
.site-nav a:hover::after { width: 100%; }
.nav-cta { padding: 11px 18px; border-radius: 11px; background: var(--blue); color: white; }
.menu-button { display: none; border: 0; background: none; }

.hero { position: relative; display: grid; min-height: 650px; place-items: center; overflow: hidden; text-align: center; }
.hero__glow { position: absolute; width: 60vw; height: 60vw; border-radius: 50%; filter: blur(80px); opacity: .42; }
.hero__glow--blue { top: -35vw; left: -20vw; background: #aec8f8; }
.hero__glow--gold { right: -28vw; bottom: -40vw; background: #f2dda4; }
.hero__content { position: relative; z-index: 1; max-width: 980px; padding: 72px 0 84px; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(42px, 6vw, 78px); font-weight: 600; letter-spacing: -.025em; line-height: 1.28; }
.hero__lead { max-width: 760px; margin: 30px auto; color: var(--ink-soft); font-size: clamp(16px, 1.5vw, 20px); line-height: 1.9; }
.hero__actions { display: flex; justify-content: center; gap: 12px; }
.hero__note { margin: 24px 0 0; color: #6c7482; font-size: 12px; letter-spacing: .06em; }

.story-block, .process { padding-top: 36px; padding-bottom: 120px; }
.cinematic-image { margin: 0; }
.cinematic-image img { height: clamp(360px, 55vw, 720px); object-fit: cover; border-radius: 28px; box-shadow: var(--shadow); }
.cinematic-image figcaption { margin: 14px 0 0; color: #656d79; font-family: var(--serif); font-size: 13px; font-style: italic; text-align: center; }
.split-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; padding: 90px 0 0; }
.split-heading h2, .section-heading h2, .contact h2 { margin: 0; font-family: var(--serif); font-size: clamp(34px, 4.2vw, 58px); font-weight: 600; line-height: 1.45; }
.split-heading > p, .section-heading > p:last-child { margin: 0; color: var(--ink-soft); font-size: 16px; line-height: 2; }

.services { padding-top: 110px; padding-bottom: 130px; border-top: 1px solid var(--line); }
.section-heading { max-width: 880px; margin-bottom: 54px; }
.section-heading > p:last-child { margin-top: 18px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { min-height: 270px; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.56); transition: transform .3s ease, box-shadow .3s ease, background .3s ease; }
.service-card:hover { transform: translateY(-5px); background: white; box-shadow: var(--shadow); }
.service-card__icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: #e8eef8; color: var(--blue-dark); font-family: var(--serif); font-size: 12px; }
.service-card h3, .timeline h3, .trust-card h3 { margin: 28px 0 12px; font-family: var(--serif); font-size: 21px; }
.service-card p, .timeline p, .trust-card p { margin: 0; color: var(--ink-soft); line-height: 1.85; }

.demo { padding-top: 112px; padding-bottom: 130px; border-top: 1px solid var(--line); background: #eef3f9; }
.demo .section-heading { max-width: 960px; }
.demo-switcher { display: flex; max-width: 760px; gap: 12px; margin-bottom: 22px; }
.demo-person { display: flex; flex: 1; align-items: center; gap: 14px; padding: 16px 18px; border: 1px solid rgba(41,57,78,.14); border-radius: 16px; background: rgba(255,255,255,.62); color: var(--ink); cursor: pointer; text-align: left; transition: .25s ease; }
.demo-person:hover, .demo-person.is-active { border-color: rgba(88,127,184,.42); background: #fff; box-shadow: 0 12px 28px rgba(54,74,103,.1); }
.demo-person > span { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border-radius: 50%; background: #dce7f5; color: var(--blue-dark); font-family: var(--serif); }
.demo-person strong, .demo-person small { display: block; }
.demo-person small { margin-top: 4px; color: #7a8290; font-size: 11px; }
.demo-console { display: grid; min-height: 650px; grid-template-columns: 270px minmax(0,1fr); overflow: hidden; border: 1px solid rgba(36,49,67,.18); border-radius: 26px; background: #fff; box-shadow: 0 32px 90px rgba(35,52,76,.18); }
.demo-console__sidebar { display: flex; flex-direction: column; padding: 24px 18px; color: #e9edf4; background: #161b25; }
.demo-profile { display: flex; align-items: center; gap: 12px; padding: 0 6px 22px; border-bottom: 1px solid rgba(255,255,255,.1); }
.demo-profile img { width: 56px; height: 56px; border-radius: 15px; object-fit: cover; }
.demo-profile strong, .demo-profile small { display: block; }
.demo-profile strong { font-family: var(--serif); font-size: 14px; }
.demo-profile small { margin-top: 5px; color: rgba(255,255,255,.45); font-size: 10px; }
.demo-menu { display: grid; gap: 6px; margin-top: 20px; }
.demo-menu button { padding: 13px 14px; border: 0; border-radius: 10px; background: transparent; color: rgba(255,255,255,.58); cursor: pointer; text-align: left; }
.demo-menu button:hover, .demo-menu button.is-active { background: rgba(127,161,210,.15); color: #fff; }
.demo-security { display: flex; align-items: center; gap: 10px; margin-top: auto; padding: 15px; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; color: rgba(255,255,255,.72); font-size: 11px; }
.demo-security i { width: 8px; height: 8px; border-radius: 50%; background: #79bd96; box-shadow: 0 0 0 5px rgba(121,189,150,.1); }
.demo-security small { color: rgba(255,255,255,.38); }
.demo-console__main { min-width: 0; background: linear-gradient(145deg,#fbfcfe,#f4f7fb); }
.demo-console__top { display: flex; min-height: 58px; align-items: center; justify-content: space-between; padding: 0 28px; border-bottom: 1px solid rgba(39,54,75,.1); color: #77808f; font-size: 11px; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #79bd96; }
.demo-view { display: none; padding: clamp(30px,4vw,58px); }
.demo-view.is-active { display: block; }
.demo-kicker { margin: 0 0 12px; color: var(--blue-dark); font-size: 11px; font-weight: 500; letter-spacing: .18em; }
.demo-view > h3, .permission-panel h3 { max-width: 760px; margin: 0 0 34px; font-family: var(--serif); font-size: clamp(25px,3vw,39px); font-weight: 500; line-height: 1.5; }
.demo-answer { display: grid; grid-template-columns: 46px 1fr; gap: 16px; max-width: 820px; padding: 24px; border: 1px solid rgba(45,60,80,.12); border-radius: 18px; background: #fff; box-shadow: 0 14px 36px rgba(46,61,83,.08); }
.demo-avatar { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 50%; background: #dce7f5; color: var(--blue-dark); font-family: var(--serif); }
.demo-answer p { margin: 0; color: #394252; line-height: 2; }
.source-card { display: grid; grid-template-columns: auto 1fr auto; gap: 10px 18px; align-items: center; margin-top: 20px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 11px; }
.source-card span { width: fit-content; padding: 5px 9px; border-radius: 999px; background: #e9f3ec; color: #47765a; }
.source-card strong { color: #626c7b; font-weight: 400; }
.source-card button { border: 0; background: transparent; color: var(--blue-dark); cursor: pointer; }
.source-card button:disabled { opacity: .55; cursor: not-allowed; }
.demo-prompts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.demo-prompts button { padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.75); color: #616a77; cursor: pointer; font-size: 11px; }
.mini-timeline { display: grid; gap: 12px; max-width: 740px; border-left: 1px solid #bfcde0; }
.mini-timeline span { position: relative; display: grid; grid-template-columns: 78px 1fr; gap: 18px; padding: 13px 18px 13px 24px; color: var(--ink-soft); }
.mini-timeline span::before { position: absolute; top: 20px; left: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); content: ""; }
.mini-timeline b { color: var(--blue-dark); }
.relation-map { display: grid; max-width: 760px; grid-template-columns: repeat(2,1fr); gap: 12px; }
.relation-map > * { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.relation-map small, .message-cards small { color: #7d8490; }
.relation-center { grid-column: 1/-1; background: #e9f0fa !important; color: var(--blue-dark); font-family: var(--serif); font-size: 20px; text-align: center; }
.archive-files, .message-cards { display: grid; max-width: 760px; grid-template-columns: repeat(2,1fr); gap: 12px; }
.archive-files span, .message-cards span { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; line-height: 1.7; }
.archive-files b { display: inline-grid; width: 42px; height: 42px; place-items: center; margin-right: 10px; border-radius: 9px; background: #e9f0fa; color: var(--blue-dark); font-size: 11px; }
.deliverable-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--line); }
.deliverable-strip span { padding: 18px; background: rgba(255,255,255,.85); font-size: 12px; }
.deliverable-strip b { display: block; margin-bottom: 8px; color: var(--blue-dark); font-size: 10px; letter-spacing: .14em; }

.process { padding-top: 70px; }
.process .cinematic-image { margin-bottom: 100px; }
.phase-list { border-top: 1px solid var(--line); }
.phase { display: grid; grid-template-columns: 60px 1fr .65fr; gap: 30px; align-items: start; padding: 34px 0; border-bottom: 1px solid var(--line); }
.phase__number { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(88,127,184,.35); border-radius: 50%; color: var(--blue-dark); font-family: var(--serif); font-size: 12px; }
.phase__time { margin: 0 0 6px; color: var(--blue-dark); font-size: 11px; letter-spacing: .12em; }
.phase h3 { margin: 0 0 9px; font-family: var(--serif); font-size: 22px; }
.phase__body > p:last-child { margin: 0; color: var(--ink-soft); line-height: 1.8; }
.phase__result { padding: 18px; border-radius: 13px; background: rgba(255,255,255,.7); }
.phase__result small, .phase__result strong { display: block; }
.phase__result small { margin-bottom: 7px; color: #7a8290; font-size: 10px; letter-spacing: .12em; }
.phase__result strong { color: #455063; font-size: 13px; font-weight: 400; line-height: 1.7; }

.cooperation { padding-top: 112px; padding-bottom: 130px; background: #f2eee6; }
.cooperation-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.cooperation-card { padding: 30px; border: 1px solid rgba(73,65,51,.13); border-radius: 22px; background: rgba(255,255,255,.55); }
.cooperation-card > span { color: #8a7048; font-size: 11px; letter-spacing: .18em; }
.cooperation-card h3 { margin: 16px 0; font-family: var(--serif); font-size: 23px; }
.cooperation-card ul { margin: 0; padding-left: 18px; color: #5d5a53; line-height: 2; }

.interview { padding-top: 115px; padding-bottom: 130px; }
.question-bank { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; align-items: start; }
.question-group { border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.55); }
.question-group summary { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: center; padding: 20px; cursor: pointer; list-style: none; }
.question-group summary > span { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 50%; background: #e6edf7; color: var(--blue-dark); font-family: var(--serif); font-size: 11px; }
.question-group summary strong, .question-group summary small { display: block; }
.question-group summary strong { font-family: var(--serif); font-size: 18px; }
.question-group summary small { margin-top: 5px; color: #7b8390; font-size: 11px; line-height: 1.5; }
.question-group ol { margin: 0; padding: 0 34px 24px 63px; color: var(--ink-soft); line-height: 2; }

.permissions { padding-top: 118px; padding-bottom: 130px; color: #fff; background: radial-gradient(circle at 12% 0,#25314a 0,transparent 30%), #10141c; }
.permissions .section-heading > p:last-child { color: rgba(255,255,255,.62); }
.permission-workbench { display: grid; grid-template-columns: 240px 1fr; min-height: 490px; overflow: hidden; border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: rgba(255,255,255,.04); }
.permission-roles { display: grid; align-content: start; gap: 6px; padding: 20px; border-right: 1px solid rgba(255,255,255,.1); }
.permission-roles button { padding: 13px 14px; border: 0; border-radius: 9px; background: transparent; color: rgba(255,255,255,.54); cursor: pointer; text-align: left; }
.permission-roles button:hover, .permission-roles button.is-active { background: rgba(133,164,209,.16); color: #fff; }
.permission-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; padding: 42px; }
.permission-panel__intro > p:last-child { color: rgba(255,255,255,.62); line-height: 1.9; }
.permission-list { display: grid; gap: 10px; align-content: start; }
.permission-item { display: grid; grid-template-columns: 28px 1fr; gap: 11px; align-items: start; padding: 12px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 11px; color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.6; }
.permission-item i { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; font-style: normal; }
.permission-item.allow i { background: rgba(92,170,124,.18); color: #8fd1aa; }
.permission-item.limit i { background: rgba(220,173,86,.16); color: #e2ba72; }
.permission-item.deny i { background: rgba(209,95,95,.14); color: #df9191; }
.permission-scenarios { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 26px; }
.permission-scenarios article { padding: 26px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.035); }
.permission-scenarios span { color: #a9c0df; font-size: 11px; letter-spacing: .14em; }
.permission-scenarios h3 { margin: 15px 0 10px; font-family: var(--serif); font-size: 19px; line-height: 1.6; }
.permission-scenarios p { margin: 0; color: rgba(255,255,255,.58); line-height: 1.8; }

.trust { padding-top: 118px; padding-bottom: 130px; color: white; background: radial-gradient(circle at 85% 15%, #263149 0, transparent 35%), var(--night); }
.section-heading--light { max-width: 1000px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 64px; }
.trust-card { padding: 34px; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.035); }
.trust-card > span { display: grid; width: 45px; height: 45px; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: #c9d8ee; font-family: var(--serif); }
.trust-card p { color: rgba(255,255,255,.68); }

.quote-section { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: center; padding-top: 120px; padding-bottom: 120px; }
.quote-section__image img { height: 580px; border-radius: 26px; object-fit: cover; box-shadow: var(--shadow); }
.quote-section blockquote { margin: 0 0 28px; font-family: var(--serif); font-size: clamp(34px, 4vw, 58px); font-weight: 500; line-height: 1.5; }
.quote-section__content > p:not(.eyebrow) { color: var(--ink-soft); line-height: 2; }
.text-link { display: inline-flex; gap: 24px; margin-top: 22px; padding-bottom: 8px; border-bottom: 1px solid currentColor; font-weight: 500; }

.faq { padding-top: 110px; padding-bottom: 120px; border-top: 1px solid var(--line); }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; min-height: 86px; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; font-family: var(--serif); font-size: 20px; }
.faq summary::after { content: "+"; font-family: var(--sans); font-size: 26px; font-weight: 200; transition: transform .25s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { max-width: 850px; margin: 0 0 28px; color: var(--ink-soft); line-height: 1.9; }
.faq-tools { margin-bottom: 30px; }
.faq-search { display: grid; gap: 9px; }
.faq-search span { font-size: 12px; font-weight: 400; }
.faq-search input { width: 100%; min-height: 54px; padding: 0 18px; border: 1px solid var(--line); border-radius: 14px; outline: none; background: rgba(255,255,255,.72); color: var(--ink); }
.faq-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(88,127,184,.1); }
.faq-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.faq-filters button { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.58); color: #626b79; cursor: pointer; font-size: 11px; }
.faq-filters button.is-active { border-color: var(--blue); background: var(--blue); color: #fff; }
.faq-category { display: inline-block; margin-right: 12px; padding: 4px 8px; border-radius: 999px; background: #e7eef8; color: var(--blue-dark); font-family: var(--sans); font-size: 9px; font-weight: 400; letter-spacing: .08em; vertical-align: middle; }
.faq-count { margin-left: auto; color: #8b929d; font-family: var(--sans); font-size: 10px; }
.faq-empty { padding: 32px 0; color: #7b8390; }

.contact { display: grid; grid-template-columns: 1fr .8fr; gap: 90px; padding-top: 110px; padding-bottom: 120px; background: var(--paper-warm); }
.contact__copy > p:not(.eyebrow) { max-width: 650px; color: var(--ink-soft); line-height: 1.9; }
.contact__copy ul { margin: 28px 0 0; padding-left: 18px; color: var(--ink-soft); line-height: 2; }
.contact-form { display: grid; gap: 18px; padding: 32px; border-radius: 24px; background: rgba(255,255,255,.7); box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 9px; }
.contact-form label span { font-size: 13px; font-weight: 400; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; border: 1px solid rgba(33,42,55,.14); border-radius: 11px; outline: none; background: rgba(255,255,255,.72); padding: 13px 14px; color: var(--ink); transition: border .2s ease, box-shadow .2s ease; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(88,127,184,.12); }
.form-status { margin: -5px 0 0; color: #737b87; font-size: 11px; line-height: 1.6; }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 50px; padding: 70px clamp(24px,6vw,96px) 34px; color: rgba(255,255,255,.78); background: #0c0f15; }
.site-footer > div:first-child p { max-width: 480px; margin: 18px 0 0; color: rgba(255,255,255,.5); line-height: 1.8; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 16px 30px; align-content: start; font-size: 13px; }
.copyright { grid-column: 1 / -1; margin: 28px 0 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.38); font-size: 11px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .menu-button { display: block; cursor: pointer; }
  .site-nav { position: absolute; top: 74px; right: 16px; left: 16px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(250,251,253,.98); box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 12px; }
  .nav-cta { margin-top: 6px; text-align: center; }
  .split-heading, .quote-section, .contact { grid-template-columns: 1fr; gap: 46px; }
  .card-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .quote-section__image img { height: 480px; }
  .demo-console { grid-template-columns: 220px minmax(0,1fr); }
  .deliverable-strip { grid-template-columns: repeat(2,1fr); }
  .source-card { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 50px 1fr; }
  .phase__result { grid-column: 2; }
  .question-bank { grid-template-columns: 1fr; }
  .permission-panel { grid-template-columns: 1fr; gap: 20px; }
  .permission-scenarios { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .intro__top, .intro__controls { left: 18px; right: 18px; }
  .intro__top { top: 18px; }
  .intro__controls { bottom: 18px; }
  .intro__progress { order: -1; width: 100%; justify-content: center; }
  .intro__controls { flex-wrap: wrap; gap: 12px; }
  .intro__controls button { flex: 1; }
  .intro__line { width: 42vw; }
  .hero { min-height: 680px; }
  .hero__actions { flex-direction: column; }
  .button { width: 100%; }
  .hero__note { line-height: 1.8; }
  .cinematic-image img { height: 420px; border-radius: 18px; }
  .split-heading { padding-top: 64px; }
  .services, .trust, .faq { padding-top: 82px; padding-bottom: 88px; }
  .card-grid, .trust-grid, .timeline { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .process .cinematic-image { margin-bottom: 72px; }
  .timeline { border-top: 0; }
  .timeline__item { padding: 24px 0 28px; border-top: 1px solid var(--line); }
  .quote-section { padding-top: 82px; padding-bottom: 88px; }
  .quote-section__image img { height: 400px; border-radius: 18px; }
  .contact { padding-top: 82px; padding-bottom: 88px; }
  .contact-form { padding: 22px; }
  .site-footer { grid-template-columns: 1fr; }
  .copyright { grid-column: auto; }
  .demo-switcher { flex-direction: column; }
  .demo-console { display: block; min-height: 0; }
  .demo-console__sidebar { padding: 18px; }
  .demo-menu { grid-template-columns: repeat(2,1fr); }
  .demo-security { margin-top: 18px; }
  .demo-console__top { padding: 0 18px; }
  .demo-console__top > div:last-child { display: none; }
  .demo-view { padding: 28px 20px; }
  .demo-answer { grid-template-columns: 1fr; }
  .relation-map, .archive-files, .message-cards { grid-template-columns: 1fr; }
  .deliverable-strip { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 42px 1fr; gap: 15px; }
  .phase__result { grid-column: 1/-1; }
  .cooperation-grid { grid-template-columns: 1fr; }
  .permission-workbench { display: block; }
  .permission-roles { grid-template-columns: repeat(2,1fr); border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .permission-panel { padding: 28px 20px; }
}

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