/* Station Vidya — single stylesheet. Theme: "night study". */

:root{
  --bg:#0e1116;
  --bg-soft:#151a22;
  --bg-card:#171d27;
  --line:#232c38;
  --ink:#e7ecf3;
  --ink-soft:#aab6c6;
  --ink-dim:#6f7d90;
  --accent:#f4b740;       /* warm lamp glow */
  --accent-soft:#fbe3a3;
  --teal:#5fd0c5;
  --radius:14px;
  --maxw:1120px;
  --serif:Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(244,183,64,.10), transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-soft);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:30;
  background:rgba(14,17,22,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-row{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.12rem;letter-spacing:.2px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .mark{width:34px;height:34px;flex:none}
.nav{margin-left:auto;display:flex;gap:6px;align-items:center}
.nav a{color:var(--ink-soft);padding:8px 12px;border-radius:9px;font-size:.95rem}
.nav a:hover{color:var(--ink);background:var(--bg-soft);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;color:var(--ink);width:42px;height:40px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:72px 0 40px}
.eyebrow{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:600}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(2.1rem,5vw,3.4rem);
  line-height:1.12;margin:14px 0 16px;font-weight:600;letter-spacing:-.5px;
}
.hero p.lede{font-size:1.18rem;color:var(--ink-soft);max-width:62ch;margin:0 0 26px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:11px;font-weight:600;font-size:.97rem;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#1a1306}
.btn-primary:hover{background:var(--accent-soft);text-decoration:none}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--bg-soft);text-decoration:none}

/* ---------- sections ---------- */
.section{padding:46px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-family:var(--serif);font-size:1.8rem;font-weight:600;margin:0;letter-spacing:-.3px}
.section-head .more{color:var(--accent-soft);font-size:.95rem;font-weight:600}

/* ---------- card grid ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s,transform .15s;
}
.card:hover{border-color:#324155;transform:translateY(-2px)}
.card a.cover{display:block;aspect-ratio:16/9;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.tag{align-self:flex-start;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--teal);background:rgba(95,208,197,.1);padding:4px 9px;border-radius:6px}
.card h3{font-family:var(--serif);font-size:1.16rem;line-height:1.3;margin:2px 0 0;font-weight:600}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--accent-soft);text-decoration:none}
.card p{color:var(--ink-soft);font-size:.93rem;margin:0}
.card .meta{margin-top:auto;color:var(--ink-dim);font-size:.82rem;padding-top:6px}

/* ---------- article ---------- */
.article{max-width:760px;margin:0 auto;padding:48px 20px 20px}
.crumb{font-size:.85rem;color:var(--ink-dim);margin-bottom:18px}
.crumb a{color:var(--ink-soft)}
.article h1{font-family:var(--serif);font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.15;font-weight:600;margin:6px 0 14px;letter-spacing:-.4px}
.article .byline{color:var(--ink-dim);font-size:.9rem;margin-bottom:30px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.article .hero-img{border-radius:var(--radius);border:1px solid var(--line);margin:0 0 30px;aspect-ratio:16/8;background:var(--bg-soft)}
.prose{font-size:1.08rem;color:#dce3ec}
.prose p{margin:0 0 20px}
.prose h2{font-family:var(--serif);font-size:1.55rem;font-weight:600;margin:38px 0 14px;letter-spacing:-.2px}
.prose h3{font-size:1.2rem;font-weight:700;margin:28px 0 10px;color:var(--ink)}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px}
.prose li{margin:0 0 9px}
.prose blockquote{border-left:3px solid var(--accent);margin:24px 0;padding:6px 0 6px 20px;color:var(--ink-soft);font-style:italic}
.prose strong{color:var(--ink)}
.prose a{color:var(--accent-soft)}

/* ---------- page (static text pages) ---------- */
.page{max-width:760px;margin:0 auto;padding:48px 20px 20px}
.page h1{font-family:var(--serif);font-size:2.2rem;font-weight:600;margin:0 0 8px}
.page .updated{color:var(--ink-dim);font-size:.88rem;margin-bottom:30px}

/* ---------- contact form ---------- */
.form{display:grid;gap:16px;max-width:560px;margin-top:26px}
.form label{font-size:.9rem;color:var(--ink-soft);font-weight:600;display:block;margin-bottom:7px}
.form input,.form textarea{
  width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
  color:var(--ink);padding:12px 14px;font:inherit;font-size:.98rem;
}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.form textarea{min-height:140px;resize:vertical}
.note{font-size:.85rem;color:var(--ink-dim)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);margin-top:60px;padding:46px 0 40px;color:var(--ink-soft)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-grid h4{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);margin:0 0 14px}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin:0 0 9px}
.foot-grid a{color:var(--ink-soft);font-size:.94rem}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);margin-bottom:12px}
.foot-brand .mark{width:30px;height:30px}
.foot-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;font-size:.85rem;color:var(--ink-dim);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- focus / a11y ---------- */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--accent);color:#1a1306;padding:8px 14px;border-radius:8px;z-index:50}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .nav{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg-soft);border-bottom:1px solid var(--line);padding:8px 16px 14px;gap:2px;display:none}
  .nav.open{display:flex}
  .nav a{padding:11px 10px}
  .nav-toggle{display:block;margin-left:auto}
  .grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 28px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}