/* AustrCarLab.online – Blueprint Technical Lab Theme */
:root {
  --bg: #0a1628;
  --bg-2: #0f1f3d;
  --bg-3: #071020;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --blue-dark: #1d4ed8;
  --grid: rgba(59,130,246,0.06);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --border: rgba(59,130,246,0.2);
  --radius: 4px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  font-family: 'Courier New', 'Consolas', monospace;
  line-height: 1.7;
  overflow-x: hidden;
}

nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,22,40,0.97); backdrop-filter: blur(12px);
  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: 12px; text-decoration: none; }
.logo-bracket { font-size: 1.4rem; color: var(--blue); font-weight: 900; }
.logo-text { font-size: 0.95rem; font-weight: 700; color: var(--text); letter-spacing: 0.06em; }
.logo-text span { color: var(--blue-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(--blue-light); }
.nav-btn { background: transparent; border: 1px solid var(--blue); color: var(--blue-light); padding: 0.5rem 1.4rem; border-radius: var(--radius); font-size: 0.82rem; text-decoration: none; transition: all 0.2s; font-family: inherit; }
.nav-btn:hover { background: var(--blue); color: white; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--blue); margin: 6px 0; }

.hero { min-height: 88vh; display: flex; align-items: center; padding: 4rem 2rem; position: relative; overflow: hidden; }
.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.lab-tag { font-size: 0.72rem; letter-spacing: 0.2em; color: var(--blue-light); margin-bottom: 1.2rem; display: flex; align-items: center; gap: 8px; }
.lab-tag::before { content: '//'; color: var(--text-muted); }
.hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.2; margin-bottom: 1.2rem; }
.hero h1 .hl { color: var(--blue-light); }
.hero p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 440px; line-height: 1.8; }
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-blue { background: var(--blue); color: white; padding: 0.8rem 2rem; border-radius: var(--radius); font-weight: 700; text-decoration: none; font-size: 0.85rem; transition: background 0.2s; font-family: inherit; }
.btn-blue:hover { background: var(--blue-dark); }
.btn-outline { border: 1px solid var(--border); color: var(--text-muted); padding: 0.8rem 2rem; border-radius: var(--radius); font-weight: 600; text-decoration: none; font-size: 0.85rem; transition: all 0.2s; font-family: inherit; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue-light); }
.hero-data { display: flex; gap: 2.5rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.data-item .val { font-size: 1.6rem; font-weight: 700; color: var(--blue-light); }
.data-item .lbl { font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.1em; }

section { padding: 5rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.lab-eyebrow { font-size: 0.7rem; letter-spacing: 0.2em; color: var(--blue-light); margin-bottom: 0.7rem; }
.lab-eyebrow::before { content: '// '; color: var(--text-muted); }
.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; }

.lab-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.lab-card { background: var(--bg-2); padding: 2rem; transition: background 0.2s; }
.lab-card:hover { background: var(--bg-3); }
.lab-card-num { font-size: 0.68rem; color: var(--blue); letter-spacing: 0.15em; margin-bottom: 0.8rem; }
.lab-card-num::before { content: '[ '; }
.lab-card-num::after { content: ' ]'; }
.lab-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text); }
.lab-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(--blue-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(59,130,246,0.08); color: var(--text-muted); }
.spec-table tr:hover td { background: var(--bg-2); }
.badge-ok { background: rgba(34,197,94,0.15); color: #4ade80; padding: 2px 8px; border-radius: 2px; font-size: 0.72rem; }
.badge-req { background: rgba(234,179,8,0.15); color: #facc15; padding: 2px 8px; border-radius: 2px; 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; font-family: inherit; }
.faq-btn:hover { color: var(--blue-light); }
.faq-ico { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.3s; color: var(--blue); }
.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; }
.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; border-radius: var(--radius); font-size: 0.88rem; font-family: inherit; transition: border-color 0.2s; }
.form-g input:focus, .form-g textarea:focus { outline: none; border-color: var(--blue); }
.form-g textarea { min-height: 130px; resize: vertical; }
.btn-submit { background: var(--blue); color: white; padding: 0.9rem 2.5rem; border: none; border-radius: var(--radius); font-weight: 700; font-size: 0.88rem; cursor: pointer; transition: background 0.2s; font-family: inherit; }
.btn-submit:hover { background: var(--blue-dark); }

.page-hero { background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 5rem 2rem 4rem; }
.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(--blue-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; }
.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(--blue-light); margin-bottom: 1rem; }
.foot-col h5::before { content: '// '; color: var(--text-muted); }
.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; }
}