:root {
  color-scheme: dark;
  --bg: #031225;
  --surface: #071a31;
  --surface-2: #0a203b;
  --surface-3: #102a49;
  --ink: #f5f8fc;
  --muted: #a7b7ca;
  --subtle: #7f93aa;
  --line: #173453;
  --line-strong: #315678;
  --navy: #edf5ff;
  --accent: #2f7df4;
  --accent-strong: #5598ff;
  --accent-soft: #0b2b50;
  --on-accent: #ffffff;
  --danger: #ff95a5;
  --danger-soft: #3f1925;
  --success: #7edcb6;
  --success-soft: #11362c;
  --shadow: 0 28px 80px rgba(0, 4, 13, .38);
  --radius: 12px;
  --container: 1240px;
  --header-h: 72px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --font: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 22px); }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.7; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 3px; }

.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100; padding: 10px 14px; border-radius: var(--radius); background: var(--ink); color: var(--bg); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(var(--container), calc(100% - 64px)); margin-inline: auto; }
.nav-sentinel { position: absolute; top: 0; width: 1px; height: 1px; pointer-events: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; height: var(--header-h); border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { border-color: rgba(73, 111, 149, .34); background: rgba(3, 18, 37, .9); box-shadow: 0 12px 36px rgba(0, 5, 15, .2); backdrop-filter: blur(18px); }
.scroll-progress { position: absolute; inset: auto 0 -1px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left center; pointer-events: none; }
.nav-shell { width: min(var(--container), calc(100% - 64px)); height: 100%; margin-inline: auto; display: flex; align-items: center; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; color: var(--ink); font-size: 15px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 48px; height: 44px; display: grid; place-items: center; flex: 0 0 auto; }
.brand-mark img { width: 48px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; white-space: nowrap; }
.desktop-nav a { color: var(--muted); font-size: 14px; font-weight: 550; transition: color .2s ease; }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--ink); }
.header-cta { margin-left: 2px; }
.menu-toggle { display: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; border-radius: 2px; background: currentColor; transition: transform .25s var(--ease); }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-nav { position: fixed; inset: var(--header-h) 0 auto; padding: 14px 24px 26px; border-bottom: 1px solid var(--line); background: rgba(3, 18, 37, .98); box-shadow: var(--shadow); }
.mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.mobile-nav a:last-child { border-bottom: 0; color: var(--accent-strong); }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 23px; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--accent); color: var(--on-accent); font-size: 14px; font-weight: 720; letter-spacing: .01em; box-shadow: 0 12px 30px rgba(25, 92, 202, .23); transition: transform .22s var(--ease), background .22s ease, border-color .22s ease, box-shadow .22s ease; }
.button:hover { transform: translateY(-2px); border-color: var(--accent-strong); background: var(--accent-strong); box-shadow: 0 16px 36px rgba(25, 92, 202, .32); }
.button-small { min-height: 40px; padding-inline: 17px; font-size: 13px; }
.button-quiet { border-color: var(--line-strong); background: transparent; color: var(--ink); box-shadow: none; }
.button-quiet:hover { border-color: #5d82aa; background: rgba(20, 49, 81, .6); box-shadow: none; }

.hero { position: relative; min-height: 660px; display: flex; align-items: center; padding: calc(var(--header-h) + 58px) 0 56px; overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: #010612; }
.hero-glow { position: absolute; z-index: -1; width: 760px; height: 620px; right: -170px; top: 0; border-radius: 50%; background: radial-gradient(circle, rgba(35, 109, 216, .19) 0%, rgba(35, 109, 216, .07) 38%, transparent 70%); filter: blur(16px); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 500px minmax(0, 1fr); align-items: start; gap: 44px; }
.hero-copy { position: relative; z-index: 2; padding-top: 14px; }
.eyebrow { margin: 0 0 20px; color: var(--accent-strong); font-size: 12px; font-weight: 760; letter-spacing: .14em; text-transform: uppercase; }
.hero h1, .section-heading h2, .scenario-intro h2, .partner-callout h2, .form-hero h1 { margin: 0; color: var(--ink); letter-spacing: -.045em; line-height: 1.1; }
.hero h1 { max-width: 620px; font-size: clamp(52px, 5vw, 72px); font-weight: 760; }
.hero-line { display: block; white-space: nowrap; }
.hero-line-accent { color: #4f8cf7; }
.hero-lead { max-width: 560px; margin: 25px 0 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-media { position: relative; z-index: 0; width: calc(100% + 250px); height: 440px; min-width: 0; margin: 0 0 0 -150px; overflow: visible; }
.hero-media::after { display: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: lighten; -webkit-mask-image: radial-gradient(ellipse 92% 91% at 52% 52%, #000 62%, rgba(0, 0, 0, .96) 75%, transparent 100%); mask-image: radial-gradient(ellipse 92% 91% at 52% 52%, #000 62%, rgba(0, 0, 0, .96) 75%, transparent 100%); }
.hero-media-caption { position: absolute; left: 18px; bottom: 18px; display: grid; grid-template-columns: 8px auto; column-gap: 10px; align-items: center; padding: 10px 13px; border: 1px solid rgba(91, 138, 184, .42); border-radius: 10px; background: rgba(3, 16, 33, .84); backdrop-filter: blur(12px); }
.hero-media-caption > span { grid-row: 1 / 3; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-strong); box-shadow: 0 0 0 5px rgba(67, 139, 248, .12); }
.hero-media-caption strong { font-size: 12px; line-height: 1.3; }
.hero-media-caption small { color: var(--subtle); font-size: 10px; line-height: 1.3; }

.proof-band { border-block: 1px solid var(--line); background: #06182e; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { min-height: 130px; display: flex; flex-direction: column; justify-content: center; padding: 24px 30px; border-right: 1px solid var(--line); }
.proof-grid > div:first-child { border-left: 1px solid var(--line); }
.proof-grid strong { color: var(--ink); font-size: clamp(30px, 3vw, 44px); line-height: 1; letter-spacing: -.035em; }
.proof-grid span { margin-top: 11px; color: var(--subtle); font-size: 13px; }

.section { padding: 112px 0; border-bottom: 1px solid rgba(23, 52, 83, .58); }
.section#about { padding-top: 90px; }
.section-tint { background: #06182e; }
.section-heading { max-width: 520px; }
.section-heading-wide { max-width: 720px; margin-bottom: 48px; }
.section-heading h2, .scenario-intro h2, .partner-callout h2 { font-size: clamp(38px, 4.1vw, 58px); }
.section-heading > p:not(.eyebrow), .scenario-intro > p:not(.eyebrow) { max-width: 620px; margin: 22px 0 0; color: var(--muted); font-size: 16px; }

.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px 84px; }
.about-copy { max-width: 660px; }
.about-copy p { margin: 0 0 18px; color: var(--muted); font-size: 15px; }
.quality-visual { position: relative; grid-column: 1 / -1; margin: 10px 0 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.quality-visual img { width: 100%; max-height: 520px; aspect-ratio: 16 / 7; object-fit: cover; object-position: center 48%; }
.quality-visual::after { content: ""; position: absolute; inset: auto 0 0; height: 46%; background: linear-gradient(transparent, rgba(2, 11, 24, .88)); pointer-events: none; }
.quality-visual figcaption { position: absolute; z-index: 1; left: clamp(24px, 4vw, 48px); right: 24px; bottom: 28px; display: flex; align-items: baseline; gap: 18px; }
.quality-visual figcaption strong { font-size: 21px; }
.quality-visual figcaption span { color: var(--muted); font-size: 13px; }
.about-facts { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.about-facts div { padding: 26px 28px; border-right: 1px solid var(--line); }
.about-facts div:last-child { border-right: 0; }
.about-facts dt { color: var(--subtle); font-size: 12px; }
.about-facts dd { margin: 7px 0 0; color: var(--ink); font-size: 23px; font-weight: 720; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service { min-height: 260px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 18px 50px rgba(0, 7, 18, .15); transition: transform .25s var(--ease), border-color .25s ease, background .25s ease; }
.service:hover { transform: translateY(-4px); border-color: var(--line-strong); background: var(--surface-2); }
.service-feature { grid-column: span 2; grid-row: span 2; min-height: 536px; padding: 0; overflow: hidden; }
.service-feature img { width: 100%; flex: 1; min-height: 270px; object-fit: cover; }
.service-feature > div { padding: 28px; }
.service-index { color: var(--accent-strong); font: 700 12px/1 var(--font); letter-spacing: .12em; }
.service h3 { margin: 22px 0 12px; color: var(--ink); font-size: 21px; line-height: 1.35; }
.service p { margin: 0; color: var(--muted); font-size: 14px; }
.service small { margin-top: auto; padding-top: 25px; color: var(--subtle); font-size: 11px; }
.service-blue { border-color: #1c4d7d; background: #0a2748; }

.scenario-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: start; }
.scenario-intro { position: sticky; top: calc(var(--header-h) + 44px); }
.scenario-groups { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.scenario-groups article { min-height: 166px; padding: 28px 28px 24px 0; border-bottom: 1px solid var(--line); }
.scenario-groups article:nth-child(odd) { padding-right: 28px; border-right: 1px solid var(--line); }
.scenario-groups article:nth-child(even) { padding-left: 28px; }
.scenario-groups h3 { margin: 0 0 12px; color: var(--ink); font-size: 18px; }
.scenario-groups p { margin: 0; color: var(--subtle); font-size: 13px; }

.process-list { --process-progress: 0%; position: relative; display: grid; grid-template-columns: repeat(5, 1fr); margin: 58px 0 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; list-style: none; background: var(--surface); }
.process-list::before { content: ""; position: absolute; z-index: 2; top: 0; left: 0; width: var(--process-progress); height: 2px; background: var(--accent); }
.process-list li { min-height: 226px; padding: 28px 24px; border-right: 1px solid var(--line); }
.process-list li:last-child { border-right: 0; }
.process-list li > span { color: var(--accent-strong); font-size: 12px; font-weight: 760; letter-spacing: .12em; }
.process-list h3 { margin: 64px 0 10px; font-size: 18px; }
.process-list p { margin: 0; color: var(--subtle); font-size: 13px; }

.advantage-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; }
.advantage-list { border-top: 1px solid var(--line); }
.advantage-list article { display: grid; grid-template-columns: 190px 1fr; gap: 30px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.advantage-list strong { color: var(--ink); font-size: 16px; }
.advantage-list p { margin: 0; color: var(--muted); font-size: 14px; }

.partner-ledger { display: grid; grid-template-columns: .8fr 1.2fr; gap: 52px 84px; }
.partner-list { display: grid; grid-template-columns: 1fr 1fr; align-content: start; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.partner-list li { padding: 19px 18px 19px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.partner-list li:nth-child(odd) { border-right: 1px solid var(--line); }
.partner-list li:nth-child(even) { padding-left: 20px; }
.partner-note { grid-column: 2; margin: -20px 0 0; color: var(--subtle); font-size: 12px; }

.partner-callout { padding-block: 88px; }
.partner-callout-grid { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 82px; }
.partner-callout figure { height: 380px; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.partner-callout figure img { width: 100%; height: 100%; object-fit: cover; }
.partner-callout-copy { max-width: 650px; }
.partner-callout-copy > p:not(.eyebrow) { max-width: 580px; margin: 23px 0 30px; color: var(--muted); }

.site-footer { padding: 72px 0 26px; background: #020c19; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .7fr .7fr; gap: 70px; }
.brand-footer { align-items: flex-start; white-space: normal; }
.footer-grid > div:first-child p { max-width: 500px; color: var(--muted); font-size: 14px; }
.footer-grid h2 { margin: 2px 0 18px; color: var(--ink); font-size: 14px; }
.footer-grid > div:not(:first-child) a { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.footer-grid a:hover { color: var(--accent-strong); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--subtle); font-size: 12px; }

.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.js .reveal.delay-1 { transition-delay: .08s; }
.js .reveal.is-visible { opacity: 1; transform: none; }
.has-gsap .reveal { opacity: 1; transform: none; transition: none; }

/* Partner registration */
.partner-page { min-height: 100vh; padding-top: var(--header-h); }
.form-hero { padding: 82px 0 54px; background: #05162b; }
.form-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 70px; }
.form-hero h1 { max-width: 680px; font-size: clamp(44px, 5vw, 68px); }
.form-hero p:not(.eyebrow) { max-width: 690px; margin: 22px 0 0; color: var(--muted); font-size: 17px; }
.form-hero figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.form-hero img { aspect-ratio: 1; object-fit: cover; }
.form-main { padding: 42px 0 110px; }
.form-shell { max-width: 980px; }
.form-state { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.form-skeleton span { display: block; height: 18px; margin: 16px 0; border-radius: var(--radius); background: var(--surface-2); animation: skeleton 1.2s ease-in-out infinite alternate; }
.form-skeleton span:first-child { width: 42%; height: 32px; }
.form-skeleton span:nth-child(3) { width: 78%; }
@keyframes skeleton { to { opacity: .45; } }
.registration-form { display: grid; gap: 20px; }
.form-section { padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.form-section h2 { margin: 0 0 8px; color: var(--ink); font-size: 24px; }
.form-section > p { margin: 0 0 28px; color: var(--subtle); font-size: 14px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 18px; }
.field { min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.field label, .field legend, .upload-field legend { display: block; margin-bottom: 8px; color: var(--ink); font-size: 14px; font-weight: 700; }
.required-mark { margin-left: 4px; color: var(--danger); }
.field input, .field select, .field textarea, .config-input { width: 100%; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--bg); color: var(--ink); }
.field input, .field select { height: 48px; padding: 0 14px; }
.field textarea { min-height: 118px; padding: 12px 14px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--subtle); opacity: 1; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--accent); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 125, 244, .17); outline: none; }
.field-help { min-height: 18px; margin: 6px 0 0; color: var(--subtle); font-size: 12px; }
.field-error { min-height: 18px; margin: 4px 0 0; color: var(--danger); font-size: 12px; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); background: var(--danger-soft); }
.option-fieldset, .upload-field { margin: 0; padding: 0; border: 0; }
.option-groups { display: grid; gap: 12px; }
.option-group { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.option-group h3 { margin: 0 0 12px; color: var(--ink); font-size: 14px; }
.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.field label.check-option { display: flex; align-items: center; gap: 8px; min-height: 42px; margin: 0; padding: 8px 9px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--muted); font-size: 13px; line-height: 1.4; cursor: pointer; }
.check-option:has(input:checked) { color: var(--accent-strong); border-color: var(--accent); background: var(--accent-soft); }
.check-option input { flex: 0 0 16px; width: 16px; height: 16px; margin: 0; padding: 0; accent-color: var(--accent); }
.upload-zone { padding: 24px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--bg); }
.upload-zone input { width: 100%; }
.upload-zone p { margin: 10px 0 0; color: var(--subtle); font-size: 12px; }
.file-list { margin: 14px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
.file-list li { padding: 5px 0; }
.form-submit { padding: 26px clamp(24px, 4vw, 42px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.consent { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 13px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent); }
.honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; }
.form-actions { display: flex; align-items: center; gap: 16px; margin-top: 22px; }
.upload-progress { flex: 1; }
.upload-progress progress { width: 100%; height: 8px; accent-color: var(--accent); }
.upload-progress span { display: block; margin-top: 5px; color: var(--subtle); font-size: 12px; }
.form-alert { padding: 14px 16px; border: 1px solid var(--danger); border-radius: var(--radius); background: var(--danger-soft); color: var(--danger); font-size: 14px; }
.success-panel { padding: 48px; border: 1px solid var(--success); border-radius: var(--radius); background: var(--success-soft); }
.success-panel h2 { margin: 0; color: var(--success); font-size: 30px; }
.success-panel p { color: var(--muted); }
.receipt-id { display: inline-block; padding: 9px 12px; border-radius: var(--radius); background: var(--surface); color: var(--ink); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }

@media (max-width: 1100px) {
  .desktop-nav { gap: 17px; }
  .desktop-nav a { font-size: 13px; }
  .hero-grid { grid-template-columns: 450px minmax(0, 1fr); gap: 32px; }
  .hero h1 { font-size: clamp(48px, 5.6vw, 60px); }
  .hero-media { width: calc(100% + 120px); margin-left: -80px; }
  .about-grid, .scenario-layout, .advantage-grid, .partner-ledger { gap: 50px; }
}

@media (max-width: 900px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 54px); }
  .hero-grid, .about-grid, .scenario-layout, .advantage-grid, .partner-ledger, .partner-callout-grid, .form-hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 660px; }
  .hero-copy { padding-top: 0; }
  .hero-line { white-space: normal; }
  .hero-media { width: 100%; max-width: 780px; height: auto; margin-left: 0; overflow: hidden; border: 1px solid rgba(62, 105, 149, .38); border-radius: var(--radius); background: #041225; box-shadow: 0 24px 70px rgba(0, 5, 15, .42); }
  .hero-media img { height: auto; aspect-ratio: 16 / 9; mix-blend-mode: normal; -webkit-mask-image: none; mask-image: none; }
  .quality-visual, .about-facts { grid-column: auto; }
  .quality-visual img { aspect-ratio: 16 / 9; }
  .about-facts { grid-template-columns: 1fr 1fr; }
  .about-facts div:nth-child(2) { border-right: 0; }
  .about-facts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-feature { grid-column: 1 / -1; grid-row: auto; min-height: auto; }
  .scenario-intro { position: static; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list::before { display: none; }
  .process-list li { min-height: 180px; border-bottom: 1px solid var(--line); }
  .process-list h3 { margin-top: 34px; }
  .partner-note { grid-column: auto; margin-top: -20px; }
  .partner-callout figure { max-width: 620px; }
  .form-hero figure { max-width: 520px; }
  .check-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .container, .nav-shell { width: min(100% - 32px, var(--container)); }
  .brand { font-size: 14px; }
  .brand-mark { width: 42px; height: 39px; }
  .brand-mark img { width: 42px; }
  .hero { padding-bottom: 46px; }
  .hero-grid { gap: 38px; }
  .hero h1 { font-size: clamp(42px, 12vw, 54px); }
  .hero-lead { font-size: 16px; line-height: 1.75; }
  .hero-actions, .form-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button, .form-actions .button { width: 100%; }
  .hero-media-caption { left: 12px; bottom: 12px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid > div { min-height: 110px; padding: 20px 16px; border-bottom: 1px solid var(--line); }
  .proof-grid > div:nth-child(2) { border-right: 0; }
  .proof-grid > div:nth-child(n+3) { border-bottom: 0; }
  .section { padding: 80px 0; }
  .section-heading h2, .scenario-intro h2, .partner-callout h2 { font-size: 36px; }
  .section-heading-wide { margin-bottom: 34px; }
  .quality-visual figcaption { left: 18px; bottom: 18px; display: block; }
  .quality-visual figcaption strong, .quality-visual figcaption span { display: block; }
  .quality-visual figcaption span { margin-top: 3px; }
  .about-facts { grid-template-columns: 1fr; }
  .about-facts div { border-right: 0; border-bottom: 1px solid var(--line); }
  .about-facts div:last-child { border-bottom: 0; }
  .services-grid { grid-template-columns: 1fr; }
  .service { min-height: 230px; padding: 24px; }
  .service-feature { padding: 0; }
  .service-feature > div { padding: 24px; }
  .scenario-groups { grid-template-columns: 1fr; }
  .scenario-groups article, .scenario-groups article:nth-child(odd), .scenario-groups article:nth-child(even) { min-height: auto; padding: 22px 0; border-right: 0; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li { min-height: auto; border-right: 0; }
  .process-list h3 { margin-top: 24px; }
  .advantage-list article { grid-template-columns: 1fr; gap: 8px; }
  .partner-list { grid-template-columns: 1fr; }
  .partner-list li, .partner-list li:nth-child(odd), .partner-list li:nth-child(even) { padding: 17px 0; border-right: 0; }
  .partner-callout figure { height: 300px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; }
  .form-hero { padding-top: 54px; }
  .form-main { padding-bottom: 72px; }
  .form-section, .form-submit { padding: 24px 18px; }
  .field-grid, .check-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .success-panel { padding: 32px 24px; }
}

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

@media (prefers-reduced-transparency: reduce) {
  .site-header.is-scrolled { background: var(--bg); backdrop-filter: none; }
}