/* =================================================
   zAIa — Shared Styles
   ================================================= */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── TOKENS ── */
:root {
  --black: #0a0a0a;
  --charcoal: #111111;
  --surface: #161616;
  --surface2: #1e1e1e;
  --border: #2a2a2a;
  --acid: #b8ff57;
  --white: #f4f4f0;
  --muted: #6a6a6a;
  --muted-light: #9a9a9a;
  --red: #ff6b6b;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Mono', monospace;
  overflow-x: hidden;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.35;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── LAYOUT ── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ── WORDMARK ── */
.wm {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  letter-spacing: -0.05em;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.wm .ai {
  background: var(--acid);
  color: #000;
  border-radius: 0.12em;
  padding: 0 0.08em;
  margin: 0 0.03em;
}

/* ── DISCLOSURE BAR ── */
.disclosure-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--muted);
  text-align: center;
  padding: 8px 32px;
  letter-spacing: 0.05em;
}
.disclosure-bar a { color: var(--acid); }

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-links {
  display: flex;
  gap: 36px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-light);
}
.nav-links a { transition: color 0.2s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--acid); }
.nav-cta {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--acid);
  color: #000;
  padding: 9px 18px;
  transition: all 0.2s ease;
}
.nav-cta:hover { background: #d4ff7a; box-shadow: 0 0 20px rgba(184,255,87,0.35); }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 22px; cursor: pointer; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary { background: var(--acid); color: #000; }
.btn-primary:hover { background: #d4ff7a; box-shadow: 0 0 24px rgba(184,255,87,0.4); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--acid); color: var(--acid); transform: translateY(-2px); }

/* ── EYEBROW ── */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--acid); }

/* ── TAGS ── */
.tag {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 10px;
}
.tag-acid { background: rgba(184,255,87,0.12); color: var(--acid); border: 1px solid rgba(184,255,87,0.2); }
.tag-neutral { background: var(--surface2); color: var(--muted-light); border: 1px solid var(--border); }

/* ── SECTION SHELL ── */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; flex-wrap: wrap; gap: 20px; }
.section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before { content: ''; width: 24px; height: 1px; background: var(--acid); }
.section-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.section-link {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-light);
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
  transition: all 0.2s ease;
}
.section-link:hover { color: var(--acid); border-color: var(--acid); }

/* ── PAGE HEADER (inner pages) ── */
.page-head { padding: 80px 0 56px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-head-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(184,255,87,0.06) 0%, transparent 70%); top: -250px; right: -100px; }
h1 { font-family: 'Sora', sans-serif; font-weight: 800; font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -0.04em; margin-bottom: 20px; position: relative; z-index: 1; }
.page-sub { font-size: 14px; color: var(--muted-light); max-width: 540px; line-height: 1.8; position: relative; z-index: 1; }

/* ── REVIEW CARDS ── */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}
.review-card:hover { border-color: rgba(184,255,87,0.3); transform: translateY(-4px); }
.review-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--acid), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.review-card:hover::before { opacity: 1; }
.review-thumb {
  aspect-ratio: 16/10;
  background: var(--surface2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.thumb-mark { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 34px; letter-spacing: -0.04em; color: var(--border); }
.thumb-glow { position: absolute; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(184,255,87,0.1) 0%, transparent 70%); }
.review-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.review-tags { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.review-title { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 18px; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 11px; color: var(--white); }
.review-excerpt { font-size: 12px; line-height: 1.75; color: var(--muted-light); margin-bottom: 20px; flex: 1; }
.review-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border); }
.review-meta { font-size: 10px; letter-spacing: 0.08em; color: var(--muted); }
.review-score { display: flex; align-items: baseline; gap: 3px; }
.score-val { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 17px; color: var(--acid); }
.score-max { font-size: 10px; color: var(--muted); }

/* ── FOOTER ── */
footer { padding: 64px 0 40px; border-top: 1px solid var(--border); }
.footer-links { display: flex; gap: 24px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-light); margin-bottom: 32px; }
.footer-links a:hover { color: var(--acid); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-disclosure { font-size: 10px; color: var(--muted); line-height: 1.7; max-width: 620px; }
.footer-copy { font-size: 10px; color: var(--muted); letter-spacing: 0.1em; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .review-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .review-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}