/* ==========================================================================
   minerals.b3rt.dev — Avery County rockhounding field journal
   Palette: Forest #0a1612 + Moss #1c3329 + Emerald #34d399 + Gold #f59e0b
   ========================================================================== */
:root{
  --paper:#f7f4ec;
  --paper-2:#ebe6d8;
  --ink:#0a1612;
  --ink-2:#1c3329;
  --muted:#4a5753;
  --accent:#34d399;
  --accent-2:#f59e0b;
  --rule:rgba(10,22,18,.18);
  --rule-strong:rgba(10,22,18,.55);
  --f-sans:'Inter','Helvetica Neue',system-ui,-apple-system,sans-serif;
  --f-mono:'JetBrains Mono','Fira Code','Courier New',monospace;
  --t-fast:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font-family:var(--f-sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}

.masthead{padding:18px 32px 14px;border-bottom:1px solid var(--ink);display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px}
.masthead .brand{font-family:var(--f-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink);text-decoration:none}
.masthead nav{display:flex;gap:28px;flex-wrap:wrap}
.masthead nav a{font-family:var(--f-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink);text-decoration:none;position:relative;padding-bottom:2px;transition:color var(--t-fast)}
.masthead nav a:hover{color:var(--accent)}
.masthead nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--accent)}

.hero{padding:112px 32px 72px;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:28px}
.eyebrow{font-family:var(--f-mono);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin:0}
.hero h1{font-size:clamp(48px,8vw,112px);line-height:.97;letter-spacing:-.035em;font-weight:700;margin:0;color:var(--ink)}
.hero .deck{font-size:clamp(18px,2vw,22px);line-height:1.5;max-width:62ch;color:var(--ink);margin:8px 0 0;font-weight:400}
.meta{font-family:var(--f-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding-top:24px;border-top:1px solid var(--ink);margin-top:32px;display:flex;gap:32px;flex-wrap:wrap}

.section{max-width:1200px;margin:0 auto;padding:72px 32px}
.section.band{background:var(--paper-2);max-width:none;padding:96px 32px}
.section.band > *{max-width:1200px;margin-left:auto;margin-right:auto}
.section-head{display:grid;grid-template-columns:48px 1fr;column-gap:24px;row-gap:8px;align-items:baseline;margin-bottom:48px;padding-bottom:20px;border-bottom:1px solid var(--ink)}
.section-head .num{grid-row:1/3;font-family:var(--f-mono);font-size:13px;letter-spacing:.2em;color:var(--accent);padding-top:6px}
.section-head h2{font-size:clamp(34px,4vw,52px);line-height:1.05;letter-spacing:-.02em;font-weight:700;margin:0;color:var(--ink)}
.section-head .sub{margin:0;color:var(--muted);font-size:17px;grid-column:2;max-width:60ch}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.grid-3{grid-template-columns:1fr}}
.card{border-top:1px solid var(--ink);padding-top:18px;display:flex;flex-direction:column;gap:14px}
.card .cover{aspect-ratio:1/1;background:var(--paper-2);overflow:hidden}
.card .cover svg{display:block;width:100%;height:100%}
.card h3{font-size:24px;line-height:1.2;margin:4px 0 8px;letter-spacing:-.01em;font-weight:700}
.card p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.55}
.kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);margin:0}

.factbox{background:var(--paper-2);border-left:4px solid var(--accent);padding:24px 28px;margin:32px 0;font-size:17px;line-height:1.6;color:var(--ink);max-width:760px}
.factbox strong{color:var(--accent-2)}

table{margin:24px 0;border-collapse:collapse;width:100%;max-width:900px;font-size:14px}
table th{font-family:var(--f-mono);font-size:11px;letter-spacing:.25em;text-transform:uppercase;text-align:left;padding:10px 14px;border-bottom:2px solid var(--ink);color:var(--ink)}
table td{padding:9px 14px;border-bottom:1px solid var(--rule);color:var(--ink-2)}
table tr:hover td{background:var(--paper-2)}

.map-card{background:var(--paper-2);border:1px solid var(--rule-strong);padding:24px;max-width:760px;margin:24px 0}
.map-card svg{display:block;width:100%;height:auto}

.foot{margin-top:96px;padding:48px 32px;border-top:1px solid var(--ink);font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;text-transform:uppercase}
.foot a{color:var(--accent);text-decoration:none}
.foot a:hover{text-decoration:underline}

@media (prefers-color-scheme: dark){
  :root{
    --paper:#0a1612;
    --paper-2:#11201b;
    --ink:#e8f0ea;
    --ink-2:#b7c9bd;
    --muted:#7d8c84;
    --rule:rgba(232,240,234,.15);
    --rule-strong:rgba(232,240,234,.35);
  }
}