/* austrcar-lab.online – Futuristic Neon/Dark Cyberpunk Theme */
:root {
  --bg: #050a14;
  --bg-2: #080f1e;
  --bg-3: #030710;
  --purple: #a855f7;
  --purple-light: #c084fc;
  --purple-dark: #7e22ce;
  --cyan: #22d3ee;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --border: rgba(168,85,247,0.2);
  --radius: 0px;
  --glow: 0 0 20px rgba(168,85,247,0.3);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 20% 20%, rgba(168,85,247,0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(34,211,238,0.04) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}

nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,10,20,0.97); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 66px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-glyph { font-size: 1.2rem; color: var(--purple); font-weight: 900; font-family: monospace; }
.logo-name { font-size: 0.95rem; font-weight: 700; color: var(--text); letter-spacing: 0.06em; }
.logo-name span { color: var(--purple-light); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; letter-spacing: 0.04em; }
.nav-links a:hover, .nav-links a.active { color: var(--purple-light); }
.nav-btn { background: transparent; border: 1px solid var(--purple); color: var(--purple-light); padding: 0.5rem 1.4rem; font-size: 0.82rem; text-decoration: none; transition: all 0.2s; position: relative; overflow: hidden; }
.nav-btn::before { content: ''; position: absolute; inset: 0; background: var(--purple); transform: translateX(-100%); transition: transform 0.2s; z-index: -1; }
.nav-btn:hover { color: white; }
.nav-btn:hover::before { transform: translateX(0); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--purple); margin: 6px 0; }

.hero { min-height: 90vh; display: flex; align-items: center; padding: 4rem 2rem; position: relative; z-index: 1; }
.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 0.7rem; letter-spacing: 0.2em; color: var(--purple-light); margin-bottom: 1.5rem; border: 1px solid var(--border); padding: 4px 12px; }
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--purple); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
.hero h1 { font-size: clamp(1.9rem, 3.5vw, 3rem); font-weight: 700; line-height: 1.15; margin-bottom: 1.2rem; }
.hero h1 .hl { background: linear-gradient(135deg, var(--purple), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 2rem; max-width: 440px; line-height: 1.8; }
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-neon { background: var(--purple); color: white; padding: 0.85rem 2rem; font-weight: 700; text-decoration: none; font-size: 0.88rem; transition: all 0.2s; box-shadow: var(--glow); }
.btn-neon:hover { background: var(--purple-dark); box-shadow: 0 0 30px rgba(168,85,247,0.5); }
.btn-wire { border: 1px solid var(--border); color: var(--text-muted); padding: 0.85rem 2rem; font-weight: 500; text-decoration: none; font-size: 0.88rem; transition: all 0.2s; }
.btn-wire:hover { border-color: var(--purple); color: var(--purple-light); }
.hero-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.stat-v { font-size: 1.7rem; font-weight: 700; color: var(--purple-light); }
.stat-l { font-size: 0.68rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }

section { padding: 5rem 2rem; position: relative; z-index: 1; }
.container { max-width: 1200px; margin: 0 auto; }
.eyebrow { font-size: 0.7rem; letter-spacing: 0.2em; color: var(--purple-light); margin-bottom: 0.7rem; text-transform: uppercase; }
.sh { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 700; margin-bottom: 1rem; }
.sp { color: var(--text-muted); max-width: 540px; margin-bottom: 3rem; font-size: 0.88rem; line-height: 1.8; }

.neon-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.neon-card { background: var(--bg-2); padding: 2rem; transition: background 0.2s; position: relative; overflow: hidden; }
.neon-card::after { content: ''; position: absolute; top: 0; left: 0; width: 2px; height: 0; background: var(--purple); transition: height 0.3s; }
.neon-card:hover::after { height: 100%; }
.neon-card:hover { background: var(--bg-3); }
.neon-tag { font-size: 0.68rem; color: var(--purple); letter-spacing: 0.15em; margin-bottom: 0.8rem; text-transform: uppercase; }
.neon-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
.neon-card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.7; }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 3rem; font-size: 0.85rem; }
.spec-table th { background: var(--bg-2); color: var(--purple-light); padding: 0.8rem 1rem; text-align: left; font-size: 0.75rem; letter-spacing: 0.1em; border-bottom: 1px solid var(--border); }
.spec-table td { padding: 0.8rem 1rem; border-bottom: 1px solid rgba(168,85,247,0.08); color: var(--text-muted); }
.spec-table tr:hover td { background: var(--bg-2); }
.badge-ok { background: rgba(168,85,247,0.15); color: var(--purple-light); padding: 2px 8px; font-size: 0.72rem; }
.badge-req { background: rgba(34,211,238,0.1); color: var(--cyan); padding: 2px 8px; font-size: 0.72rem; }

.faq-block { max-width: 800px; }
.faq-row { border-bottom: 1px solid var(--border); }
.faq-btn { width: 100%; background: none; border: none; color: var(--text); text-align: left; padding: 1.2rem 0; font-size: 0.88rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; transition: color 0.2s; }
.faq-btn:hover { color: var(--purple-light); }
.faq-ico { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.3s; color: var(--purple); }
.faq-row.open .faq-ico { transform: rotate(45deg); }
.faq-ans { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-ans p { padding: 0 0 1.2rem; color: var(--text-muted); font-size: 0.85rem; line-height: 1.8; }

.form-g { margin-bottom: 1.4rem; }
.form-g label { display: block; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 0.4rem; text-transform: uppercase; }
.form-g input, .form-g textarea, .form-g select { width: 100%; background: var(--bg-2); border: 1px solid var(--border); color: var(--text); padding: 0.8rem 1rem; font-size: 0.88rem; transition: border-color 0.2s; }
.form-g input:focus, .form-g textarea:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 10px rgba(168,85,247,0.2); }
.form-g textarea { min-height: 130px; resize: vertical; }
.btn-submit { background: var(--purple); color: white; padding: 0.9rem 2.5rem; border: none; font-weight: 700; font-size: 0.88rem; cursor: pointer; transition: all 0.2s; box-shadow: var(--glow); }
.btn-submit:hover { background: var(--purple-dark); }

.page-hero { background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 5rem 2rem 4rem; position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 1rem; }
.page-hero p { color: var(--text-muted); max-width: 580px; font-size: 0.9rem; line-height: 1.8; }

.priv h2 { font-size: 0.95rem; font-weight: 700; color: var(--purple-light); margin: 2rem 0 0.6rem; letter-spacing: 0.06em; }
.priv p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1rem; line-height: 1.8; }

footer { background: var(--bg-3); border-top: 1px solid var(--border); padding: 4rem 2rem 2rem; position: relative; z-index: 1; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.foot-brand p { color: var(--text-muted); font-size: 0.82rem; margin-top: 1rem; max-width: 260px; line-height: 1.7; }
.foot-col h5 { font-size: 0.68rem; letter-spacing: 0.16em; color: var(--purple-light); margin-bottom: 1rem; text-transform: uppercase; }
.foot-col ul { list-style: none; }
.foot-col ul li { margin-bottom: 0.6rem; }
.foot-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.foot-col ul li a:hover { color: var(--text); }
.foot-base { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.foot-base p { font-size: 0.75rem; color: var(--text-muted); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  nav { padding: 0 1rem; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0; background: var(--bg-2); padding: 1rem 2rem; border-bottom: 1px solid var(--border); }
  section { padding: 3rem 1rem; }
  .foot-grid { grid-template-columns: 1fr; }
}