:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --card: #16161f;
  --accent: #ff6b2b;
  --accent2: #ffb347;
  --text: #e8e8f0;
  --muted: #6b6b80;
  --border: #2a2a3a;
  --glow: rgba(255,107,43,0.15);
  --green: #4ade80;
  --red: #f87171;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-weight: 300;
}
nav {
  position: sticky; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.2rem 3rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--text); text-decoration: none; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; flex-wrap: wrap; }
.nav-links a { font-family: 'DM Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em; color: var(--muted); text-decoration: none; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.page-hero {
  padding: 5rem 3rem 4rem;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,107,43,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,107,43,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 100% at 20% 50%, black, transparent);
}
.page-hero-content { position: relative; max-width: 750px; }
.breadcrumb { font-family: 'DM Mono', monospace; font-size: 0.68rem; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; margin-bottom: 1rem; display: flex; gap: 0.5rem; align-items: center; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
h1 { font-family: 'Syne', sans-serif; font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 0.8rem; line-height: 1.1; }
h1 em { font-style: normal; color: var(--accent); }
.page-hero-desc { font-size: 1.05rem; color: var(--muted); line-height: 1.7; max-width: 580px; }
.badge { display: inline-block; font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: 3px; background: rgba(255,107,43,0.12); color: var(--accent); margin-right: 0.5rem; margin-bottom: 0.4rem; }
.badge.green { background: rgba(74,222,128,0.1); color: var(--green); }
.badge.blue { background: rgba(96,165,250,0.1); color: #60a5fa; }
main { max-width: 1100px; margin: 0 auto; padding: 4rem 3rem; }
section.content-section { margin-bottom: 4rem; }
h2 { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
h3 { font-family: 'Syne', sans-serif; font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.8rem; color: var(--text); }
p { color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
/* SPEC TABLE */
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 2rem; }
.spec-table th { font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 0.75rem 1rem; border-bottom: 2px solid var(--border); }
.spec-table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; vertical-align: top; }
.spec-table tr:hover td { background: var(--card); }
.spec-table .spec-name { font-family: 'DM Mono', monospace; font-size: 0.8rem; color: var(--muted); white-space: nowrap; }
.spec-table .spec-val { color: var(--text); }
/* COMPARISON TABLE */
.compare-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: auto; margin-top: 2rem; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.compare-table th { font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 1rem 1.2rem; background: var(--surface); border-bottom: 2px solid var(--border); text-align: left; color: var(--muted); position: sticky; top: 0; }
.compare-table th.model-head { color: var(--accent); }
.compare-table td { padding: 0.85rem 1.2rem; border-bottom: 1px solid var(--border); font-size: 0.88rem; color: var(--text); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,107,43,0.04); }
.compare-table .row-label { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: var(--muted); white-space: nowrap; }
.compare-table .best { color: var(--green); font-weight: 500; }
.compare-table .highlight-col { background: rgba(255,107,43,0.05); }
/* STEP BOXES */
.steps { display: flex; flex-direction: column; gap: 1.5rem; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1.8rem; position: relative; }
.step-num { font-family: 'Syne', sans-serif; font-size: 2.5rem; font-weight: 800; color: var(--accent); opacity: 0.2; position: absolute; top: 1rem; right: 1.5rem; line-height: 1; }
.step h3 { color: var(--text); margin-bottom: 0.7rem; }
code { font-family: 'DM Mono', monospace; font-size: 0.82rem; background: rgba(255,107,43,0.08); color: var(--accent2); padding: 0.15rem 0.4rem; border-radius: 3px; }
pre { background: #0d0d14; border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; overflow-x: auto; margin: 1rem 0; position: relative; }
pre code { background: none; padding: 0; color: #a8e6cf; font-size: 0.85rem; line-height: 1.7; }
.copy-btn { position: absolute; top: 0.75rem; right: 0.75rem; font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.7rem; background: var(--surface); border: 1px solid var(--border); color: var(--muted); border-radius: 4px; cursor: pointer; transition: all 0.2s; }
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
/* CARDS ROW */
.model-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.2rem; margin-top: 1.5rem; }
.model-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; text-decoration: none; color: var(--text); transition: all 0.2s; }
.model-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.model-card-title { font-family: 'Syne', sans-serif; font-weight: 700; margin-bottom: 0.4rem; }
.model-card-sub { font-size: 0.8rem; color: var(--muted); }
/* NOTE BOX */
.note { background: rgba(255,107,43,0.07); border-left: 3px solid var(--accent); border-radius: 0 6px 6px 0; padding: 1rem 1.2rem; margin: 1.2rem 0; }
.note.blue { background: rgba(96,165,250,0.07); border-color: #60a5fa; }
.note.green { background: rgba(74,222,128,0.07); border-color: var(--green); }
.note p { color: var(--text); margin: 0; font-size: 0.9rem; }
/* FOOTER */
footer { padding: 2.5rem 3rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.footer-logo span { color: var(--accent); }
footer p { font-family: 'DM Mono', monospace; font-size: 0.7rem; color: var(--muted); }
/* COMPARE CONTROLS */
.compare-controls { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; align-items: center; }
.compare-controls label { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.compare-controls select { font-family: 'DM Mono', monospace; font-size: 0.78rem; background: var(--card); border: 1px solid var(--border); color: var(--text); padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; }
.compare-controls select:focus { outline: none; border-color: var(--accent); }
@media (max-width: 768px) {
  nav, main, .page-hero { padding-left: 1.2rem; padding-right: 1.2rem; }
  nav { padding-top: 0.9rem; padding-bottom: 0.9rem; }
  .nav-links { display: none; }
}