/* computerization4u: dark "tech" look. Colours are tokens; system fonts (nothing loaded from third parties). */
:root {
  --bg: #0b1020; --bg-alt: #0f1629; --surface: #141d33; --line: #253047;
  --text: #e6ebf5; --muted: #9aa7bd; --c1: #38bdf8; --c2: #8b5cf6; --ok: #34d399;
  --grad: linear-gradient(110deg, var(--c1), var(--c2));
  --radius: 14px; --wrap: 1180px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.65; }
a { color: var(--c1); }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(34px, 5.2vw, 62px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 750; }
h3 { font-size: 19px; font-weight: 650; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; z-index: 99; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; }
.icon { width: 1.1em; height: 1.1em; vertical-align: -.15em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
:focus-visible { outline: 2px solid var(--c1); outline-offset: 3px; border-radius: 6px; }

/* Header */
.header { position: sticky; top: 0; z-index: 20; background: rgb(11 16 32 / .82); backdrop-filter: blur(12px); border-bottom: 1px solid rgb(37 48 71 / .7); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 70px; }
.logo { font-weight: 800; font-size: 21px; letter-spacing: -.03em; color: var(--text); text-decoration: none; margin-right: auto; }
.logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 10px; font-weight: 550; font-size: 15px; }
.nav a:hover, .nav a[aria-current] { color: var(--text); background: var(--surface); }
.nav .lang { border: 1px solid var(--line); font-size: 13px; letter-spacing: .05em; }
.nav .btn { color: #0b1020; margin-left: 6px; }
.menu-toggle, .menu-button { display: none; }
@media (max-width: 900px) {
  .menu-button { display: flex; padding: 8px; cursor: pointer; color: var(--text); }
  .menu-button .icon { width: 26px; height: 26px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; padding: 12px 20px 20px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .menu-toggle:checked ~ .nav { display: flex; }
  .nav .btn { margin: 8px 0 0; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border: 0; border-radius: 12px; background: var(--grad); color: #0b1020; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 30px -10px rgb(56 189 248 / .6); }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-lg { padding: 14px 26px; font-size: 17px; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--c1); box-shadow: none; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 84px 0 72px; }
.glow { position: absolute; inset: -200px -10% auto; height: 620px; background: radial-gradient(closest-side, rgb(139 92 246 / .28), transparent), radial-gradient(closest-side at 30% 50%, rgb(56 189 248 / .22), transparent); filter: blur(10px); pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--c1); margin-bottom: 18px; }
.lead { font-size: 19px; color: var(--muted); max-width: 620px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-visual { position: relative; }
.hero-visual .mock { display: block; width: 100%; height: auto; filter: drop-shadow(0 30px 60px rgb(0 0 0 / .5)); }
.hero-phone { position: absolute; right: -6%; bottom: -14%; width: 52%; }
.hero-small { padding: 72px 0 40px; }
.hero-small .wrap { position: relative; }
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; color: var(--muted); font-size: 15px; }
.checks li::before { content: '✓'; color: var(--ok); font-weight: 800; margin-right: 8px; }
@media (max-width: 900px) {
  .hero { padding: 48px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-phone { display: none; }
  .checks { grid-template-columns: 1fr; }
}

/* Sections */
.section { padding: 84px 0; }
.section-tight { padding: 24px 0 84px; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 18px; }

/* Product cards */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.products-2 { grid-template-columns: repeat(2, 1fr); }
.product-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--text); text-decoration: none; transition: border-color .2s, transform .2s; }
.product-card:hover { border-color: var(--c2); transform: translateY(-3px); }
.product-mock { padding: 18px 18px 0; background: linear-gradient(180deg, rgb(139 92 246 / .12), transparent); }
.product-mock .mock { display: block; width: 100%; height: auto; }
.product-body { padding: 18px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product-body p { color: var(--muted); font-size: 15px; flex: 1; }
.pill { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c1); background: rgb(56 189 248 / .1); border: 1px solid rgb(56 189 248 / .25); padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }
.link { color: var(--c1); font-weight: 650; font-size: 15px; display: inline-flex; gap: 6px; align-items: center; }
@media (max-width: 960px) { .products, .products-2 { grid-template-columns: 1fr; max-width: 560px; } }

/* Features & steps */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.features-4 { grid-template-columns: repeat(4, 1fr); }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feature p { color: var(--muted); font-size: 15px; margin: 0; }
.feature-icon { width: 40px; height: 40px; padding: 9px; border-radius: 11px; color: var(--c1); background: rgb(56 189 248 / .1); margin-bottom: 14px; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { counter-increment: step; position: relative; padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font-weight: 800; font-size: 28px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 15px; margin: 0; }
@media (max-width: 960px) { .features, .features-4, .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features, .features-4, .steps { grid-template-columns: 1fr; } }

/* Custom teaser */
.custom-teaser { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.code-card { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 16px; line-height: 1.8; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; color: var(--text); box-shadow: 0 30px 60px -30px rgb(139 92 246 / .5); }
.c1 { color: #c084fc; } .c2 { color: var(--c1); } .c3 { color: var(--ok); } .c4 { color: #fbbf24; }
@media (max-width: 900px) { .custom-teaser { grid-template-columns: 1fr; } }

/* Call-to-action strip */
.strip { padding: 64px 0; background: radial-gradient(800px 300px at 80% 0%, rgb(139 92 246 / .25), transparent), var(--bg-alt); border-top: 1px solid var(--line); }
.strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.strip p { color: var(--muted); margin: 0; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.6fr 1fr; gap: 28px; align-items: start; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--c1); outline-offset: 0; border-color: transparent; }
.consent { display: flex; gap: 10px; font-size: 14px; color: var(--muted); margin: 4px 0 20px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--c1); }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 14px 0 0; color: #fca5a5; min-height: 1.4em; }
.form-ok { text-align: center; padding: 24px 0; }
.form-ok h2 { font-size: 48px; color: var(--ok); }
.contact-side .card a { font-weight: 650; word-break: break-all; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }

/* Footer */
.footer { border-top: 1px solid var(--line); padding-top: 56px; color: var(--muted); font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-grid p { max-width: 380px; margin: 12px 0; }
.footer a:not(.logo) { display: block; color: var(--muted); text-decoration: none; padding: 3px 0; }
.footer a:not(.logo):hover { color: var(--text); }
.footer-title { color: var(--text); font-weight: 650; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 18px; padding-bottom: 28px; font-size: 13px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn, .product-card { transition: none; } }