/* Artois Technology Limited — static GitHub Pages website */
:root {
  --brand: #4b63ff;
  --brand-dark: #3049e8;
  --brand-soft: #eef1ff;
  --cyan: #17b8d5;
  --ink: #0a1222;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f7f9fc;
  --white: #ffffff;
  --navy: #07111f;
  --success: #0e9f6e;
  --danger: #dc2626;
  --container: 1180px;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shadow-sm: 0 10px 28px rgba(15, 23, 42, .06);
  --shadow: 0 24px 70px rgba(15, 23, 42, .11);
  --ease: cubic-bezier(.2,.8,.2,1);
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --step--1: clamp(.80rem, .77rem + .12vw, .88rem);
  --step-0: clamp(.96rem, .92rem + .16vw, 1.05rem);
  --step-1: clamp(1.08rem, 1rem + .34vw, 1.28rem);
  --step-2: clamp(1.28rem, 1.12rem + .62vw, 1.68rem);
  --step-3: clamp(1.62rem, 1.28rem + 1.15vw, 2.25rem);
  --step-4: clamp(2.15rem, 1.55rem + 2vw, 3.3rem);
  --step-5: clamp(2.8rem, 1.85rem + 3.2vw, 5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: rgba(75,99,255,.2); }

.skip-link { position: fixed; left: 14px; top: -80px; z-index: 9999; padding: 10px 14px; border-radius: 10px; color: #fff; background: var(--navy); text-decoration: none; transition: top .2s; }
.skip-link:focus { top: 14px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding-block: clamp(78px, 9vw, 128px); }
.section-sm { padding-block: clamp(52px, 7vw, 88px); }
.section-soft { background: var(--soft); }
.section-dark { color: #fff; background: var(--navy); }
.grid { display: grid; }
.center { text-align: center; }
.center .lead, .center .section-copy { margin-inline: auto; }

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; }
h1 { margin-bottom: 24px; font-size: var(--step-5); font-weight: 820; }
h2 { margin-bottom: 20px; font-size: var(--step-4); font-weight: 800; }
h3 { margin-bottom: 12px; font-size: var(--step-2); font-weight: 780; }
h4 { margin-bottom: 8px; font-size: var(--step-1); }
p { margin-bottom: 0; }
.lead { max-width: 720px; color: var(--muted); font-size: var(--step-1); line-height: 1.7; }
.section-copy { max-width: 700px; color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--brand-dark); font-size: var(--step--1); font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 2px; border-radius: 10px; background: currentColor; }
.gradient-text { color: var(--brand); background: linear-gradient(120deg, var(--brand) 15%, var(--cyan)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.title-wrap { max-width: 820px; margin-bottom: clamp(38px, 6vw, 64px); }
.title-wrap.center { margin-inline: auto; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; height: 78px; border-bottom: 1px solid rgba(226,232,240,.72); background: rgba(255,255,255,.88); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; object-fit: contain; }
.brand-copy { display: grid; line-height: 1; }
.brand-name { color: var(--ink); font-size: 1.05rem; font-weight: 850; letter-spacing: .14em; }
.brand-sub { margin-top: 5px; color: var(--muted); font-size: .56rem; font-weight: 760; letter-spacing: .22em; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a { position: relative; padding: 10px 12px; border-radius: 10px; color: #445269; font-size: .86rem; font-weight: 720; text-decoration: none; transition: color .2s, background .2s; }
.nav-menu a:hover, .nav-menu a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.mobile-project-link { display: none; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 20px; height: 2px; border-radius: 10px; background: currentColor; transition: transform .25s var(--ease), opacity .2s; }
.menu-toggle span { position: relative; }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { top: 0; transform: rotate(45deg); }
.menu-toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* Buttons */
.btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 20px; border: 1px solid transparent; border-radius: 13px; font-size: .88rem; font-weight: 800; text-decoration: none; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); box-shadow: 0 12px 28px rgba(75,99,255,.25); }
.btn-primary:hover { box-shadow: 0 16px 36px rgba(75,99,255,.32); }
.btn-secondary { color: var(--ink); border-color: var(--line); background: #fff; box-shadow: 0 8px 24px rgba(15,23,42,.04); }
.btn-secondary:hover { border-color: #bdc8da; box-shadow: var(--shadow-sm); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.06); }
.btn-small { min-height: 44px; padding: 10px 16px; }
.icon-arrow { transition: transform .2s var(--ease); }
.btn:hover .icon-arrow, .text-link:hover .icon-arrow { transform: translateX(4px); }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: clamp(80px, 10vw, 142px); background: radial-gradient(circle at 85% 12%, rgba(75,99,255,.16), transparent 28%), radial-gradient(circle at 10% 92%, rgba(23,184,213,.1), transparent 25%), linear-gradient(180deg,#fff 0%,#f8faff 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .55; background-image: linear-gradient(rgba(75,99,255,.045) 1px, transparent 1px), linear-gradient(90deg,rgba(75,99,255,.045) 1px,transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(52px, 7vw, 98px); align-items: center; }
.hero-copy { max-width: 700px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 14px 24px; margin-top: 34px; color: var(--muted); font-size: .82rem; font-weight: 720; }
.hero-proof span { display: inline-flex; align-items: center; gap: 7px; }
.hero-proof svg { color: var(--success); }
.hero-visual { position: relative; min-height: 510px; }
.dashboard { position: absolute; inset: 34px 0 34px 22px; overflow: hidden; border: 1px solid rgba(226,232,240,.88); border-radius: 28px; background: rgba(255,255,255,.84); box-shadow: var(--shadow); backdrop-filter: blur(16px); transform: perspective(1100px) rotateY(-4deg) rotateX(2deg); }
.dashboard-top { height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; border-bottom: 1px solid var(--line); }
.window-dots { display: flex; gap: 7px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; }
.dashboard-label { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.dashboard-body { padding: 22px; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.metric { padding: 16px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.metric small { display: block; color: var(--muted); font-size: .69rem; font-weight: 750; }
.metric strong { display: block; margin-top: 7px; color: var(--ink); font-size: 1.08rem; }
.chart-card { margin-top: 14px; padding: 18px; border-radius: 18px; color: #fff; background: linear-gradient(145deg,#0d1830,#101f3c); }
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.chart-head span { color: #93a4bd; font-size: .76rem; }
.chart { height: 145px; display: flex; align-items: end; gap: 10px; margin-top: 18px; }
.chart i { flex: 1; min-width: 8px; border-radius: 8px 8px 2px 2px; background: linear-gradient(to top, #4b63ff, #24c2dd); transform-origin: bottom; animation: growBar 1s var(--ease) both; }
.chart i:nth-child(1){height:35%}.chart i:nth-child(2){height:55%;animation-delay:.05s}.chart i:nth-child(3){height:43%;animation-delay:.1s}.chart i:nth-child(4){height:72%;animation-delay:.15s}.chart i:nth-child(5){height:62%;animation-delay:.2s}.chart i:nth-child(6){height:88%;animation-delay:.25s}.chart i:nth-child(7){height:78%;animation-delay:.3s}.chart i:nth-child(8){height:100%;animation-delay:.35s}
.delivery-list { display: grid; gap: 10px; margin-top: 14px; }
.delivery-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.delivery-item div { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: .78rem; font-weight: 760; }
.delivery-item em { color: var(--success); font-size: .72rem; font-style: normal; font-weight: 800; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(14,159,110,.12); }
.float-card { position: absolute; z-index: 3; padding: 14px 16px; border: 1px solid rgba(226,232,240,.9); border-radius: 16px; background: rgba(255,255,255,.94); box-shadow: var(--shadow-sm); animation: float 5s ease-in-out infinite; }
.float-card.logo { top: 0; right: 12px; width: 78px; height: 78px; display: grid; place-items: center; padding: 14px; }
.float-card.logo img { width: 100%; height: 100%; object-fit: contain; }
.float-card.status { right: -18px; bottom: 0; min-width: 225px; }
.float-card.status strong { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: .79rem; }
.float-card.status span { display: block; margin-top: 4px; color: var(--muted); font-size: .7rem; }

/* Home sections */
.capability-strip { border-block: 1px solid var(--line); background: #fff; }
.capability-row { min-height: 82px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px; padding-block: 16px; }
.capability-row > strong { margin-right: 8px; color: var(--muted); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.pill { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: #506078; background: #fbfcfe; font-size: .72rem; font-weight: 760; }
.cards-3 { grid-template-columns: repeat(3,1fr); gap: 22px; }
.card { position: relative; overflow: hidden; padding: clamp(26px,3vw,36px); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s; }
.card::after { content: ""; position: absolute; width: 130px; height: 130px; top: -70px; right: -70px; border-radius: 50%; background: rgba(75,99,255,.07); transition: transform .35s var(--ease); }
.card:hover { transform: translateY(-7px); border-color: #cfd7ff; box-shadow: var(--shadow); }
.card:hover::after { transform: scale(1.35); }
.icon-box { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 15px; color: var(--brand-dark); background: var(--brand-soft); }
.card p { color: var(--muted); font-size: .94rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; color: var(--brand-dark); font-size: .84rem; font-weight: 820; text-decoration: none; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(46px, 7vw, 94px); align-items: center; }
.feature-list { display: grid; gap: 18px; margin-top: 30px; }
.feature { display: grid; grid-template-columns: 46px 1fr; gap: 15px; align-items: start; }
.feature-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; color: var(--brand-dark); background: var(--brand-soft); }
.feature strong { display: block; color: var(--ink); font-size: .96rem; }
.feature span { display: block; margin-top: 3px; color: var(--muted); font-size: .87rem; }
.process-preview { position: relative; display: grid; }
.process-preview::before { content: ""; position: absolute; left: 24px; top: 35px; bottom: 35px; width: 1px; background: #ccd6e5; }
.process-item { position: relative; display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 16px 0; }
.process-num { position: relative; z-index: 2; width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 15px; color: var(--brand-dark); background: #fff; box-shadow: 0 8px 22px rgba(15,23,42,.07); font-size: .85rem; font-weight: 850; }
.process-item h3 { margin: 4px 0 5px; font-size: 1.03rem; }
.process-item p { color: var(--muted); font-size: .86rem; }
.quote-card { padding: clamp(30px,5vw,58px); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); background: linear-gradient(135deg,rgba(75,99,255,.2),rgba(23,184,213,.06)); }
.quote-card blockquote { margin: 0; color: #fff; font-size: var(--step-3); font-weight: 700; line-height: 1.42; letter-spacing: -.02em; }
.quote-card p { margin-top: 24px; color: #a8b6c9; }

/* CTA + footer */
.cta-band { padding-block: clamp(72px,8vw,110px); color: #fff; background: var(--navy); }
.cta-box { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; padding: clamp(34px,6vw,70px); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg); background: linear-gradient(135deg,rgba(75,99,255,.25),rgba(23,184,213,.08)); }
.cta-box::after { content: ""; position: absolute; width: 330px; height: 330px; top: -220px; right: -120px; border: 64px solid rgba(255,255,255,.045); border-radius: 50%; }
.cta-box h2 { color: #fff; }
.cta-box p { max-width: 660px; color: #b2bfd1; }
.cta-actions { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 12px; }
.footer { padding: 72px 0 28px; color: #fff; background: #050d18; }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3,1fr); gap: 44px; }
.footer .brand-name { color: #fff; }
.footer .brand-sub, .footer-copy { color: #8c9bb0; }
.footer-copy { max-width: 390px; margin-top: 20px; font-size: .86rem; }
.footer h4 { margin-bottom: 18px; color: #fff; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #94a3b8; font-size: .84rem; text-decoration: none; transition: color .2s, transform .2s; }
.footer-links a:hover { color: #fff; transform: translateX(3px); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #76869d; font-size: .76rem; }
.footer-bottom a { color: #9bacbf; text-decoration: none; }

/* Inner pages */
.page-hero { position: relative; overflow: hidden; padding-block: clamp(78px,9vw,130px); border-bottom: 1px solid var(--line); background: radial-gradient(circle at 85% 10%,rgba(75,99,255,.14),transparent 30%),linear-gradient(180deg,#fbfcff,#f2f6fb); }
.page-hero::after { content: ""; position: absolute; width: 340px; height: 340px; right: 5%; bottom: -260px; border: 70px solid rgba(75,99,255,.06); border-radius: 50%; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { max-width: 930px; }
.page-hero .lead { max-width: 780px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: .78rem; font-weight: 760; }
.breadcrumb a { color: var(--brand-dark); text-decoration: none; }
.stats-grid { grid-template-columns: repeat(4,1fr); gap: 16px; }
.stat-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); }
.stat-card strong { display: block; color: var(--brand-dark); font-size: var(--step-3); line-height: 1; }
.stat-card span { display: block; margin-top: 11px; color: var(--muted); font-size: .82rem; font-weight: 720; }
.values-grid { grid-template-columns: repeat(2,1fr); gap: 20px; }
.value-card { padding: 30px; border: 1px solid rgba(255,255,255,.1); border-radius: 20px; background: rgba(255,255,255,.055); }
.value-card .icon-box { color: #b8c2ff; background: rgba(75,99,255,.18); }
.value-card h3 { color: #fff; }
.value-card p { color: #a7b5c8; }
.service-detail-grid { grid-template-columns: repeat(2,1fr); gap: 22px; }
.service-detail { padding: clamp(28px,4vw,38px); border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-sm); }
.service-detail-top { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.service-detail .icon-box { flex: 0 0 auto; margin: 0; }
.service-detail p { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag { padding: 6px 10px; border: 1px solid #e5eaf2; border-radius: 999px; color: #536278; background: #f8fafc; font-size: .7rem; font-weight: 790; }
.timeline { position: relative; display: grid; gap: 24px; max-width: 900px; margin-inline: auto; }
.timeline::before { content: ""; position: absolute; left: 36px; top: 40px; bottom: 40px; width: 2px; background: linear-gradient(var(--brand),#c9d2e1); }
.timeline-item { position: relative; display: grid; grid-template-columns: 74px 1fr; gap: 24px; }
.timeline-number { position: relative; z-index: 2; width: 74px; height: 74px; display: grid; place-items: center; border-radius: 21px; color: #fff; background: linear-gradient(135deg,var(--brand),var(--brand-dark)); box-shadow: 0 14px 34px rgba(75,99,255,.24); font-size: 1.05rem; font-weight: 850; }
.timeline-card { padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-sm); }
.timeline-card p { color: var(--muted); }
.timeline-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.faq-list { display: grid; gap: 14px; max-width: 900px; margin-inline: auto; }
.faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 7px 20px rgba(15,23,42,.035); }
.faq-question { width: 100%; min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px; border: 0; color: var(--ink); background: #fff; text-align: left; font-size: .96rem; font-weight: 800; }
.faq-question svg { flex: 0 0 auto; transition: transform .25s var(--ease); }
.faq-item.open .faq-question svg { transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .32s var(--ease); }
.faq-answer > div { overflow: hidden; }
.faq-answer p { padding: 0 22px 22px; color: var(--muted); }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.project-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(42px,7vw,90px); align-items: start; }
.project-aside { position: sticky; top: 108px; display: grid; gap: 26px; }
.contact-list { display: grid; gap: 16px; }
.contact-item { display: grid; grid-template-columns: 44px 1fr; gap: 13px; align-items: center; }
.contact-item .feature-icon { width: 44px; height: 44px; }
.contact-item small { display: block; color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.contact-item a, .contact-item span { color: var(--ink); font-size: .88rem; font-weight: 730; text-decoration: none; }
.project-form { padding: clamp(26px,4vw,46px); border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: .78rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: 13px 14px; border: 1px solid #cbd5e1; border-radius: 12px; color: var(--ink); background: #fbfcfe; outline: none; transition: border .2s, box-shadow .2s, background .2s; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(75,99,255,.11); }
.form-note { margin-top: 16px; color: var(--muted); font-size: .76rem; }
.form-status { min-height: 24px; margin-top: 12px; font-size: .82rem; font-weight: 800; }
.form-status.error { color: var(--danger); }
.form-status.success { color: var(--success); }

/* Utility animation */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .72s var(--ease), transform .72s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-9px)} }
@keyframes growBar { from{transform:scaleY(.05);opacity:.2} to{transform:scaleY(1);opacity:1} }

@media (max-width: 1050px) {
  .nav-menu { position: fixed; inset: 78px 0 auto; display: grid; align-content: start; gap: 4px; max-height: 0; overflow: hidden; padding: 0 20px; border-bottom: 1px solid transparent; background: rgba(255,255,255,.98); opacity: 0; transition: max-height .3s var(--ease), opacity .25s, padding .3s; }
  .nav-menu.open { max-height: calc(100svh - 78px); padding-block: 18px 24px; border-color: var(--line); opacity: 1; box-shadow: 0 20px 50px rgba(15,23,42,.12); }
  .nav-menu a { padding: 14px 15px; font-size: .94rem; }
  .mobile-project-link { display: block; margin-top: 6px; color: #fff !important; background: linear-gradient(135deg,var(--brand),var(--brand-dark)) !important; text-align: center; }
  .menu-toggle { display: flex; }
  .nav-actions .btn { display: none; }
  .hero-grid, .split, .project-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; margin-inline: auto; text-align: center; }
  .hero-actions, .hero-proof { justify-content: center; }
  .hero-visual { width: min(100%,660px); margin-inline: auto; }
  .project-aside { position: static; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .site-header { height: 70px; }
  .nav-menu { inset: 70px 0 auto; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: .95rem; }
  .brand-sub { font-size: .49rem; }
  .hero { padding-top: 66px; }
  .hero-visual { min-height: 450px; }
  .dashboard { inset: 34px 0 28px; transform: none; }
  .float-card.logo { right: 6px; }
  .float-card.status { right: 6px; bottom: 0; }
  .metric { padding: 12px; }
  .metric strong { font-size: .95rem; }
  .dashboard-body { padding: 16px; }
  .chart { height: 120px; }
  .cards-3, .stats-grid, .service-detail-grid, .values-grid { grid-template-columns: 1fr; }
  .cta-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1/-1; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
}

@media (max-width: 520px) {
  .hero-actions, .cta-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .hero-proof { display: grid; justify-content: start; text-align: left; }
  .hero-visual { min-height: 420px; }
  .dashboard-top { height: 56px; padding-inline: 16px; }
  .metric-grid { gap: 7px; }
  .metric { padding: 10px 8px; }
  .metric small { font-size: .58rem; }
  .metric strong { font-size: .82rem; }
  .delivery-item { padding: 11px; }
  .float-card.status { min-width: 200px; padding: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .timeline::before { left: 25px; }
  .timeline-item { grid-template-columns: 52px 1fr; gap: 14px; }
  .timeline-number { width: 52px; height: 52px; border-radius: 16px; }
  .timeline-card { padding: 22px; }
}

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