/* EtchImage — Field Guides
   Shared stylesheet for /guides/*. Matches the landing page palette. */

:root {
  --bg: #020408;
  --ink: #ffffff;
  --dim: rgba(255, 255, 255, 0.55);
  --dimmer: rgba(255, 255, 255, 0.38);
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --accent3: #10b981;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, 'Inter', BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(2, 4, 8, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-size: 19px; font-weight: 800; letter-spacing: -0.5px;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--dim); text-decoration: none;
  font-size: 14px; font-weight: 500; transition: color .2s;
}
.nav-links a:hover { color: var(--ink); }

/* ── LAYOUT ── */
.wrap { max-width: 760px; margin: 0 auto; padding: 56px 24px 0; }
.wrap-wide { max-width: 1040px; margin: 0 auto; padding: 56px 24px 0; }

/* ── PAGE HEADER ── */
.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
h1 {
  font-size: clamp(30px, 5.5vw, 48px);
  font-weight: 900; letter-spacing: -1.5px; line-height: 1.1;
  margin-bottom: 18px;
}
.standfirst {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--dim); margin-bottom: 28px;
}
.meta {
  font-size: 13px; color: var(--dimmer);
  padding-bottom: 28px; border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

/* ── ARTICLE BODY ── */
article h2 {
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 800; letter-spacing: -0.6px; line-height: 1.25;
  margin: 48px 0 16px;
}
article h3 {
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700; letter-spacing: -0.2px;
  margin: 32px 0 12px;
}
article p { margin-bottom: 20px; color: rgba(255, 255, 255, 0.82); }
article ul, article ol { margin: 0 0 22px 22px; color: rgba(255, 255, 255, 0.82); }
article li { margin-bottom: 10px; }
article strong { color: var(--ink); font-weight: 700; }
article a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
article a:hover { color: #7ce7ff; }

/* ── CALLOUT ── */
.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent3);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 28px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.78);
}
.callout strong { color: var(--accent3); }

/* ── GEAR BLOCK (affiliate) ── */
.gear {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin: 32px 0;
}
.gear-head {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.gear-head h3 { margin: 0; font-size: 17px; font-weight: 700; }
.paid-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--dimmer);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 2px 9px;
  white-space: nowrap;
}
.gear p { font-size: 15px; margin-bottom: 16px; color: rgba(255, 255, 255, 0.72); }
.gear-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.32);
  color: var(--accent);
  padding: 10px 18px; border-radius: 99px;
  font-size: 14px; font-weight: 700;
  text-decoration: none;
  transition: background .2s, transform .2s;
}
.gear-link:hover { background: rgba(0, 212, 255, 0.18); transform: translateY(-1px); color: var(--accent); }
.gear-link::after { content: '↗'; font-size: 13px; opacity: .8; }

/* ── GUIDE INDEX CARDS ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s, background .2s;
}
.card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}
.card .tag {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent);
  display: block; margin-bottom: 10px;
}
.card h2 {
  font-size: 18px; font-weight: 700; letter-spacing: -0.3px;
  line-height: 1.35; margin: 0 0 10px;
}
.card p { font-size: 14px; color: var(--dim); margin: 0; }

/* ── FOOTER ── */
footer {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding: 36px 24px 48px;
  text-align: center;
}
.footer-inner { max-width: 760px; margin: 0 auto; }
.affiliate-disclosure {
  font-size: 13px; color: var(--dim);
  max-width: 620px; margin: 0 auto 18px;
  line-height: 1.6;
}
.affiliate-disclosure a { color: var(--dim); text-decoration: underline; }
.affiliate-disclosure a:hover { color: var(--ink); }
.footer-links {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 14px;
}
.footer-links a {
  color: var(--dimmer); text-decoration: none; font-size: 13px;
}
.footer-links a:hover { color: var(--ink); }
.copyright { font-size: 12px; color: var(--dimmer); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  nav { padding: 14px 18px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 13px; }
  .wrap, .wrap-wide { padding: 36px 18px 0; }
  .card-grid { grid-template-columns: 1fr; }
  article h2 { margin-top: 36px; }
}