:root {
    --bg: #05070b;
    --bg-soft: #0b111a;
    --card: #101722;
    --card-2: #121c29;
    --text: #eef6ff;
    --muted: #9eb0c6;
    --cyan: #00d4ff;
    --blue: #1687ff;
    --border: rgba(255,255,255,.1);
    --shadow: 0 24px 70px rgba(0, 212, 255, .12);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(5,7,11,.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.03em; font-size: 1.2rem; }
.brand strong { color: var(--cyan); }
.brand-mark {
    width: 42px; height: 42px; border-radius: 14px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    color: #00111b; font-weight: 900;
    box-shadow: 0 0 30px rgba(0,212,255,.45);
}
.main-nav { display: flex; gap: 8px; align-items: center; }
.main-nav a { padding: 10px 14px; color: var(--muted); border-radius: 999px; font-weight: 600; }
.main-nav a:hover, .main-nav a.active { color: var(--text); background: rgba(0,212,255,.12); }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 8px 12px; font-size: 1.2rem; }
.hero { padding: 92px 0 76px; background: radial-gradient(circle at 20% 10%, rgba(0,212,255,.18), transparent 32%), radial-gradient(circle at 90% 20%, rgba(22,135,255,.18), transparent 30%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.eyebrow { display: inline-block; color: var(--cyan); text-transform: uppercase; font-size: .78rem; font-weight: 800; letter-spacing: .14em; margin-bottom: 14px; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 18px; letter-spacing: -.04em; }
h1 { font-size: clamp(2.35rem, 5vw, 4.8rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.2rem); }
h3 { font-size: 1.25rem; }
p { color: var(--muted); margin: 0 0 18px; }
.hero-content p { font-size: 1.12rem; max-width: 650px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 14px; font-weight: 800; border: 1px solid var(--border); cursor: pointer; }
.btn.primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #00111b; border: 0; box-shadow: 0 0 32px rgba(0,212,255,.32); }
.btn.secondary { background: rgba(255,255,255,.05); color: var(--text); }
.btn.full { width: 100%; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 640px; }
.metrics div { padding: 18px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.04); }
.metrics strong { display: block; color: var(--cyan); font-size: 1.45rem; }
.metrics span { color: var(--muted); font-size: .9rem; }
.hero-card, .glass-box, .contact-form, .contact-info { background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035)); border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow); }
.hero-card { padding: 24px; min-height: 430px; position: relative; overflow: hidden; }
.hero-card:before { content: ''; position: absolute; inset: -80px -120px auto auto; width: 260px; height: 260px; border-radius: 50%; background: rgba(0,212,255,.18); filter: blur(18px); }
.panel-top { display: flex; gap: 8px; margin-bottom: 36px; }
.panel-top span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,.25); }
.chat-preview { display: flex; flex-direction: column; gap: 18px; position: relative; }
.bubble { padding: 18px; border-radius: 20px; max-width: 86%; border: 1px solid var(--border); }
.bubble.bot { background: rgba(0,212,255,.12); }
.bubble.user { background: rgba(255,255,255,.08); align-self: flex-end; }
.ai-chip { position: absolute; right: 24px; bottom: 24px; padding: 12px 16px; border-radius: 999px; background: rgba(0,212,255,.12); color: var(--cyan); border: 1px solid rgba(0,212,255,.25); font-weight: 800; }
.section { padding: 78px 0; }
.section-head { max-width: 720px; margin-bottom: 34px; }
.cards.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card, .portfolio-card { padding: 28px; background: var(--card); border: 1px solid var(--border); border-radius: 24px; transition: transform .2s ease, border-color .2s ease; }
.card:hover, .portfolio-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,.35); }
.icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: rgba(0,212,255,.12); margin-bottom: 18px; font-size: 1.6rem; }
.dark-section { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.soft-section { background: linear-gradient(180deg, rgba(0,212,255,.04), transparent); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.feature-list { display: grid; gap: 14px; }
.feature-list div { padding: 18px; border-radius: 16px; background: rgba(255,255,255,.05); border: 1px solid var(--border); color: var(--muted); }
.page-hero { padding: 76px 0 54px; background: radial-gradient(circle at 20% 10%, rgba(0,212,255,.16), transparent 32%); border-bottom: 1px solid var(--border); }
.page-hero p { max-width: 760px; font-size: 1.08rem; }
.glass-box { padding: 34px; }
.glass-box ul { color: var(--muted); margin: 0; padding-left: 20px; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.portfolio-card span { display: inline-flex; color: var(--cyan); font-weight: 900; margin-bottom: 18px; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 30px; align-items: start; }
.contact-info, .contact-form { padding: 32px; }
.info-item { padding: 18px 0; border-bottom: 1px solid var(--border); }
.info-item strong { display: block; margin-bottom: 4px; }
.info-item span { color: var(--muted); }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 8px; color: var(--text); font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; background: rgba(255,255,255,.06); color: var(--text); font: inherit; outline: none; }
select option { color: #111; }
input:focus, select:focus, textarea:focus { border-color: rgba(0,212,255,.65); box-shadow: 0 0 0 4px rgba(0,212,255,.1); }
.honeypot { display: none; }
.alert { padding: 14px 16px; border-radius: 14px; font-weight: 700; }
.alert.success { background: rgba(34,197,94,.14); color: #86efac; }
.alert.error { background: rgba(239,68,68,.14); color: #fca5a5; }
.site-footer { border-top: 1px solid var(--border); background: #030508; padding: 48px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: 34px; }
.footer-grid a { display: block; color: var(--muted); margin-bottom: 10px; }
.footer-brand { margin-bottom: 18px; color: var(--text) !important; }
.copyright { margin-top: 34px; padding: 18px; text-align: center; color: var(--muted); border-top: 1px solid var(--border); }
@media (max-width: 860px) {
    .menu-toggle { display: inline-block; }
    .main-nav { display: none; position: absolute; left: 16px; right: 16px; top: 78px; flex-direction: column; padding: 16px; background: #08101a; border: 1px solid var(--border); border-radius: 18px; }
    .main-nav.open { display: flex; }
    .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
    .cards.three, .portfolio-grid, .footer-grid, .metrics { grid-template-columns: 1fr; }
    .hero { padding-top: 64px; }
}