/* Ultimate AI Directory — "Midnight" theme
   Premium dark, editorial-tech: Fraunces display + Inter body, teal signature accent,
   gradient glows. Per-category accent still drives category/detail pages.
   (Previous cream/teal theme preserved in style-light.css.) */

:root{
  --bg:#0a1210;              /* deep near-black teal */
  --bg-2:#0f1a16;            /* raised surface */
  --card:#111e19;            /* card */
  --card-2:#16261f;          /* hover / inner */
  --border:rgba(255,255,255,.09);
  --border-2:rgba(255,255,255,.14);
  --fg:#e9f1ec;              /* near-white */
  --muted:#93a89f;           /* muted text */
  --faint:#67796f;
  --teal:#33e0b5;            /* signature accent (bright for dark) */
  --teal-deep:#12b88f;
  --coral:#ff7a5c;
  --ink:#050a08;
  --accent-color:#33e0b5;    /* overridden per category */
  --radius:1rem;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(51,224,181,.10), transparent 60%),
    radial-gradient(700px 500px at 5% 0%, rgba(255,122,92,.06), transparent 55%);
  background-attachment:fixed;
}
h1,h2,h3,.display{font-family:'Fraunces','Georgia',serif;font-weight:700;line-height:1.08;letter-spacing:-.015em;color:#f4f9f6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--accent-color)}
.grad-text{background:linear-gradient(100deg,var(--teal),#8fead2 60%,var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,18,16,.72);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-family:'Fraunces',serif;font-weight:900;font-size:19px;color:#f4f9f6;display:flex;align-items:center;gap:11px}
.brand .logomark{flex:none;border-radius:11px;box-shadow:0 6px 18px -6px rgba(51,224,181,.6)}
.nav{display:flex;gap:24px;align-items:center;font-size:15px;font-weight:500}
.nav a{color:var(--muted)}
.nav a:hover,.nav a.active{color:var(--teal)}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--accent-color);color:#04140f;font-weight:700;padding:11px 22px;border-radius:999px;font-size:15px;transition:transform .12s,box-shadow .12s,filter .12s;box-shadow:0 8px 24px -10px var(--accent-color)}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 30px -10px var(--accent-color)}
.btn.ghost{background:transparent;border:1.5px solid var(--border-2);color:var(--fg);box-shadow:none}
.btn.ghost:hover{border-color:var(--teal);color:var(--teal)}

/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 40px;overflow:hidden}
.hero .inner{max-width:820px;margin:0 auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);background:rgba(51,224,181,.10);border:1px solid rgba(51,224,181,.22);padding:7px 15px;border-radius:999px;margin-bottom:24px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
.hero h1{font-size:clamp(40px,6vw,68px);letter-spacing:-.02em}
.hero p.lede{font-size:clamp(17px,2vw,20px);color:var(--muted);margin:22px auto 32px;max-width:56ch}
.hero-search{display:flex;gap:10px;max-width:560px;margin:0 auto;background:var(--card);border:1px solid var(--border-2);border-radius:999px;padding:8px 8px 8px 20px;box-shadow:0 24px 60px -30px #000}
.hero-search input{flex:1;background:none;border:none;color:var(--fg);font-family:inherit;font-size:16px;outline:none}
.hero-search input::placeholder{color:var(--faint)}
.hero-stats{display:flex;gap:30px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.hero-stats .s{display:flex;align-items:baseline;gap:8px;color:var(--muted);font-size:14px}
.hero-stats .s b{font-family:'Fraunces',serif;font-size:22px;color:var(--teal)}

/* ---------- logo marquee ---------- */
.marquee{margin-top:46px;position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee .track{display:flex;gap:14px;width:max-content;animation:scroll 60s linear infinite}
.marquee:hover .track{animation-play-state:paused}
.marquee .chip{width:56px;height:56px;border-radius:14px;flex:none;display:grid;place-items:center;background:#fff;border:1px solid var(--border);overflow:hidden}
.marquee .chip.dark{background:#0c1512;border-color:var(--border-2)}
.marquee .chip img{width:100%;height:100%;object-fit:contain;padding:11px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:54px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 40px}
.section-head h2{font-size:clamp(28px,3.6vw,42px)}
.section-head p{color:var(--muted);margin-top:12px;font-size:17px}
.band{background:linear-gradient(180deg,var(--bg-2),var(--bg))}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:16px}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .15s,border-color .15s,box-shadow .15s;position:relative;overflow:hidden}
.cat-card::after{content:"";position:absolute;inset:0;background:radial-gradient(300px 120px at 80% 0,color-mix(in srgb,var(--cat) 22%,transparent),transparent 70%);opacity:0;transition:opacity .18s}
.cat-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--cat) 55%,var(--border))}
.cat-card:hover::after{opacity:1}
.cat-card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:color-mix(in srgb,var(--cat) 20%,var(--card-2));border:1px solid color-mix(in srgb,var(--cat) 30%,transparent);margin-bottom:16px}
.cat-card h3{font-size:20px;margin-bottom:6px}
.cat-card p{font-size:14px;color:var(--muted);margin-bottom:14px;min-height:38px}
.cat-card .count{font-size:13px;font-weight:600;color:var(--cat)}

/* ---------- tool cards ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,border-color .15s,box-shadow .15s}
.tool-card:hover{transform:translateY(-4px);border-color:var(--border-2);box-shadow:0 24px 50px -30px #000, 0 0 0 1px color-mix(in srgb,var(--accent-color) 30%,transparent)}
.tool-card .top{padding:20px 20px 0;display:flex;gap:14px;align-items:center}
.logo-tile{width:52px;height:52px;border-radius:13px;flex:none;display:grid;place-items:center;font-family:'Fraunces',serif;font-weight:900;font-size:22px;color:#fff;letter-spacing:-.02em;overflow:hidden}
.logo-tile.has-img{background:#fff;border:1px solid var(--border)}
.logo-tile.has-img.dark{background:#0c1512;border:1px solid var(--border-2)}
.logo-tile.has-img img{width:100%;height:100%;object-fit:contain;padding:9px}
.detail-top .logo-tile.has-img img{padding:13px}
.tool-card .top h3{font-size:18px;line-height:1.2}
.tool-card .top h3 a:hover{color:var(--teal)}
.cat-label{font-size:12px;color:var(--faint);font-weight:500}
.tool-card .body{padding:12px 20px 0;flex:1}
.tool-card .body p{font-size:14px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:6px;padding:14px 20px}
.tag{font-size:12px;font-weight:500;color:var(--muted);background:var(--card-2);border:1px solid var(--border);padding:4px 10px;border-radius:999px}
.pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.pill.free{background:rgba(51,224,181,.14);color:#6ee7c8}
.pill.freemium{background:rgba(255,190,90,.14);color:#ffcf8f}
.pill.paid{background:rgba(168,130,255,.16);color:#c9b0ff}
.tool-card .foot{border-top:1px solid var(--border);padding:14px 20px;display:flex;align-items:center;justify-content:space-between}
.tool-card .foot a{font-weight:600;font-size:14px;color:var(--accent-color)}

/* ---------- toolbar / search ---------- */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.toolbar input,.toolbar select{font-family:inherit;font-size:15px;padding:12px 16px;border:1px solid var(--border-2);border-radius:12px;background:var(--card);color:var(--fg)}
.toolbar input{flex:1;min-width:220px}
.toolbar input::placeholder{color:var(--faint)}
.toolbar input:focus,.toolbar select:focus{outline:none;border-color:var(--teal)}
.toolbar select option{background:var(--card)}
.count-note{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ---------- detail ---------- */
.detail-hero{padding:44px 0 10px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--teal)}
.detail-top{display:flex;gap:22px;align-items:flex-start;flex-wrap:wrap}
.detail-top .logo-tile{width:76px;height:76px;border-radius:18px;font-size:32px}
.detail-top h1{font-size:clamp(30px,4vw,44px)}
.detail-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
.detail-grid{display:grid;grid-template-columns:1fr .42fr;gap:36px;margin-top:34px;align-items:start}
.prose p{margin-bottom:16px;font-size:17px;color:#d4e0da}
.prose h3{font-size:22px;margin:26px 0 10px}
.aside{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:sticky;top:90px}
.aside .row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border);font-size:14px}
.aside .row:last-of-type{border-bottom:none}
.aside .row span:first-child{color:var(--muted)}
.aside .row span:last-child{font-weight:600;text-align:right}
.aside .btn{width:100%;justify-content:center;margin-top:16px}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--border);padding:16px 0}
.faq-item:last-child{border-bottom:none}
.faq-item h4{font-family:'Inter';font-size:16px;font-weight:600;color:var(--fg);margin-bottom:6px}
.faq-item p{font-size:15px;color:var(--muted);margin:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}
.news-card:hover{transform:translateY(-3px);border-color:var(--border-2)}
.news-card .src{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.news-card .src .dot{width:8px;height:8px;border-radius:50%}
.news-card h3{font-size:19px;line-height:1.25;margin-bottom:10px}
.news-card h3 a:hover{color:var(--teal)}
.news-card p{font-size:14.5px;color:var(--muted);flex:1}
.news-card .meta{margin-top:14px;font-size:13px;color:var(--faint);display:flex;justify-content:space-between;align-items:center}
.news-card .meta a{color:var(--accent-color);font-weight:600}
.roundup{background:linear-gradient(160deg,#13241e,#0d1814);border:1px solid var(--border-2);border-radius:var(--radius);padding:34px;position:relative;overflow:hidden}
.roundup::before{content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;background:radial-gradient(circle,rgba(51,224,181,.14),transparent 65%)}
.roundup h2{font-size:28px;margin-bottom:8px}
.roundup .prose p{color:#c7d5cd}
.roundup .prose h3{color:#fff}

/* ---------- bands / CTA ---------- */
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.step .num{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#04140f;display:grid;place-items:center;font-weight:700;margin-bottom:14px}
.cta-band{background:linear-gradient(135deg,#123a30,#0c1c17);border:1px solid var(--border-2);border-radius:var(--radius);padding:52px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 200px at 50% 0,rgba(51,224,181,.16),transparent 70%)}
.cta-band>*{position:relative}
.cta-band h2{font-size:34px;margin-bottom:12px}
.cta-band p{color:var(--muted);margin-bottom:24px;font-size:17px}

/* ---------- disclosure + footer ---------- */
.disclosure{font-size:12.5px;color:var(--muted);background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin:22px 0}
.site-footer{background:#070d0b;border-top:1px solid var(--border);padding:48px 0 34px;font-size:14px;margin-top:40px;color:var(--muted)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.site-footer h4{color:var(--fg);font-family:'Inter';font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.site-footer a{color:var(--muted);display:block;margin-bottom:8px}
.site-footer a:hover{color:var(--teal)}
.site-footer .brand{margin-bottom:12px}
.site-footer .fine{border-top:1px solid var(--border);padding-top:20px;font-size:12.5px;color:var(--faint)}

@media(max-width:860px){
  .detail-grid{grid-template-columns:1fr}
  .how{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .nav .hide-sm{display:none}
  .aside{position:static}
}

/* The header is a fixed-height flex row; under 640 the nav cannot fit beside
   the brand and used to push the document 180px wider than the viewport. */
@media(max-width:640px){
  .site-header .wrap{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;gap:10px}
  .nav{gap:14px;flex-wrap:wrap;justify-content:flex-start;font-size:14px;row-gap:8px}
  .nav .btn{padding:9px 16px;font-size:14px}
  .brand{font-size:17px}
}

/* Two-up text section on the home page. 1fr tracks floor at min-content, so this
   needs an explicit single-column fallback rather than relying on 1fr to shrink. */
.split2{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.split2>*{min-width:0}
.split2 .cols2{columns:2;list-style:none}
@media(max-width:640px){
  .split2{grid-template-columns:1fr;gap:28px}
  .split2 .cols2{columns:1}
}