/* ═══════════════════════════════════════════
   TheAIFest.org — Global Stylesheet
   Static site for Cloudflare Pages
   ═══════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --c-bg: #0B0A14;
  --c-surface: #13112A;
  --c-surface-2: #1C1938;
  --c-surface-hover: #23204A;
  --c-border: rgba(129,140,248,0.1);
  --c-border-hover: rgba(129,140,248,0.25);
  --c-text: #E8E6F0;
  --c-text-2: #8E8BA0;
  --c-text-3: #5D5A70;
  --c-primary: #4F46E5;
  --c-primary-l: #818CF8;
  --c-accent: #F59E0B;
  --c-accent-l: #FCD34D;
  --c-green: #34D399;
  --c-red: #F87171;
  --c-violet: #A78BFA;
  --c-gradient: linear-gradient(135deg,#4F46E5 0%,#7C3AED 50%,#F59E0B 100%);
  --c-glow: rgba(79,70,229,0.3);
  --r: 12px;
  --r-sm: 8px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-full: 9999px;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1140px;
  --nav-h: 56px;
}

/* ── RESET ── */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}
img,svg { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border:none; background:none; }
ul,ol { list-style: none; }

/* ── GRAIN OVERLAY ── */
body::after {
  content:''; position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:0.022;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:256px;
}

/* ── UTILITIES ── */
.container { max-width:var(--max-w); margin:0 auto; padding:0 28px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.text-muted { color: var(--c-text-2); }
.text-accent { color: var(--c-accent); }

/* ── NAV ── */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between; padding:0 28px;
  backdrop-filter:blur(20px) saturate(1.4); -webkit-backdrop-filter:blur(20px) saturate(1.4);
  background:rgba(11,10,20,0.78); border-bottom:1px solid var(--c-border);
}
.nav-left,.nav-right { display:flex; align-items:center; gap:6px; }
.nav-logo { display:flex; align-items:center; gap:9px; margin-right:20px; }
.nav-logo-icon {
  width:30px; height:30px; background:var(--c-gradient); border-radius:7px;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:800; color:#fff; letter-spacing:-0.02em;
}
.nav-logo-text { font-family:var(--font-display); font-size:19px; }
.nav-logo-text b { color:var(--c-accent); font-weight:400; }
.nav-link {
  color:var(--c-text-2); font-size:13px; font-weight:500; padding:5px 11px;
  border-radius:var(--r-sm); transition:all .2s;
}
.nav-link:hover { color:var(--c-text); background:var(--c-surface); }
.nav-link[aria-current="page"] { color:var(--c-text); background:var(--c-surface); }
.sister-pill {
  font-size:10px; padding:3px 9px; border-radius:var(--r-full); font-weight:600;
  letter-spacing:0.03em; border:1px solid transparent; transition:all .2s;
}
.sister-pill--oss { color:var(--c-green); border-color:rgba(52,211,153,.18); }
.sister-pill--oss:hover { background:rgba(52,211,153,.06); }
.sister-pill--priv { color:var(--c-violet); border-color:rgba(167,139,250,.18); }
.sister-pill--priv:hover { background:rgba(167,139,250,.06); }
.nav-cta {
  background:var(--c-primary); color:#fff; font-size:12px; font-weight:600;
  padding:6px 14px; border-radius:var(--r-sm); transition:all .2s;
}
.nav-cta:hover { background:var(--c-primary-l); transform:translateY(-1px); box-shadow:0 4px 12px var(--c-glow); }
.nav-hamburger { display:none; width:32px; height:32px; align-items:center; justify-content:center; border-radius:var(--r-sm); color:var(--c-text); }
.nav-hamburger:hover { background:var(--c-surface); }
.nav-mobile { display:none; }

/* ── BUTTONS ── */
.btn {
  display:inline-flex; align-items:center; gap:7px; padding:11px 24px;
  border-radius:var(--r); font-size:14px; font-weight:600; transition:all .25s;
}
.btn--primary { background:var(--c-primary); color:#fff; }
.btn--primary:hover { background:var(--c-primary-l); transform:translateY(-2px); box-shadow:0 8px 20px var(--c-glow); }
.btn--ghost { background:var(--c-surface); color:var(--c-text); border:1px solid var(--c-border); }
.btn--ghost:hover { border-color:var(--c-border-hover); }
.btn--sm { padding:7px 14px; font-size:12px; border-radius:var(--r-sm); }

/* ── HERO ── */
.hero {
  position:relative; min-height:90vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; padding:calc(var(--nav-h) + 48px) 28px 56px; text-align:center; overflow:hidden;
}
.hero-bg { position:absolute; inset:0; pointer-events:none; }
.hero-bg .orb { position:absolute; border-radius:50%; filter:blur(120px); animation:float 28s ease-in-out infinite; }
.orb--1 { width:550px; height:550px; background:rgba(79,70,229,.11); top:-180px; right:-80px; }
.orb--2 { width:480px; height:480px; background:rgba(245,158,11,.05); bottom:-140px; left:-80px; animation-delay:-14s; }
.orb--3 { width:320px; height:320px; background:rgba(124,58,237,.08); top:38%; left:48%; transform:translate(-50%,-50%); animation-delay:-7s; }
@keyframes float { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(25px,-25px) scale(1.04)} 66%{transform:translate(-18px,18px) scale(.96)} }

.hero-content { position:relative; z-index:1; max-width:720px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:7px; padding:4px 13px 4px 9px;
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r-full);
  font-size:12px; font-weight:500; color:var(--c-text-2); margin-bottom:26px;
  animation:fadeUp .7s ease-out .2s both;
}
.hero-badge .pulse-dot { width:7px; height:7px; border-radius:50%; background:var(--c-green); animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
@keyframes fadeUp { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }

.hero h1 {
  font-family:var(--font-display); font-size:clamp(40px,6.2vw,76px);
  font-weight:400; line-height:1.08; letter-spacing:-0.03em; margin-bottom:18px;
  animation:fadeUp .7s ease-out .35s both;
}
.hero h1 em {
  font-style:italic; background:var(--c-gradient);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-sub {
  font-size:16px; line-height:1.65; color:var(--c-text-2); max-width:500px;
  margin:0 auto 32px; animation:fadeUp .7s ease-out .5s both;
}

/* ── SEARCH ── */
.search-wrap { width:100%; max-width:580px; margin:0 auto; animation:fadeUp .7s ease-out .65s both; }
.search-box { position:relative; }
.search-box input {
  width:100%; padding:14px 50px 14px 44px; background:var(--c-surface);
  border:1px solid var(--c-border); border-radius:13px;
  font-family:var(--font-body); font-size:14px; color:var(--c-text); outline:none; transition:all .25s;
}
.search-box input::placeholder { color:var(--c-text-2); }
.search-box input:focus { border-color:var(--c-primary-l); box-shadow:0 0 0 3px rgba(79,70,229,.1),0 8px 28px rgba(0,0,0,.3); }
.search-box .icon-search { position:absolute; left:15px; top:50%; transform:translateY(-50%); color:var(--c-text-2); }
.search-box kbd {
  position:absolute; right:13px; top:50%; transform:translateY(-50%);
  font-family:var(--font-mono); font-size:10px; padding:2px 6px;
  background:rgba(255,255,255,.04); border:1px solid var(--c-border); border-radius:4px; color:var(--c-text-3);
}

/* ── FILTER PILLS ── */
.filter-row { display:flex; justify-content:center; gap:6px; margin-top:16px; flex-wrap:wrap; }
.pill {
  font-size:11px; font-weight:600; padding:4px 12px; border-radius:var(--r-full);
  background:var(--c-surface); border:1px solid var(--c-border); color:var(--c-text-2);
  transition:all .2s; cursor:pointer;
}
.pill:hover { border-color:var(--c-border-hover); color:var(--c-text); }
.pill--active { background:var(--c-primary); border-color:var(--c-primary); color:#fff; }

/* ── STATS ── */
.stats-row { display:flex; justify-content:center; gap:36px; margin-top:40px; animation:fadeUp .7s ease-out .9s both; }
.stat-item { text-align:center; }
.stat-num { font-family:var(--font-display); font-size:26px; color:var(--c-text); }
.stat-label { font-size:11px; color:var(--c-text-2); margin-top:1px; }

/* ── SECTION ── */
.section { padding:72px 0; }
.section--alt { background:var(--c-surface); border-top:1px solid var(--c-border); border-bottom:1px solid var(--c-border); }
.section-head { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:32px; }
.section-head h2 { font-family:var(--font-display); font-size:30px; font-weight:400; letter-spacing:-0.02em; }
.section-head a { color:var(--c-primary-l); font-size:13px; font-weight:500; }
.section-head a:hover { color:var(--c-accent); }

/* ── TASK CHIPS ── */
.tasks-wrap { display:flex; flex-wrap:wrap; gap:7px; }
.task-chip {
  display:inline-flex; align-items:center; gap:5px; padding:7px 14px;
  background:var(--c-surface-2); border:1px solid var(--c-border); border-radius:var(--r-full);
  font-size:13px; color:var(--c-text); transition:all .2s;
}
.task-chip:hover { border-color:var(--c-primary-l); background:var(--c-surface-hover); transform:translateY(-1px); }

/* ── CATEGORY GRID ── */
.cat-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(148px,1fr)); gap:9px; }
.cat-card {
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r);
  padding:18px 14px; text-align:center; transition:all .25s; display:block;
}
.cat-card:hover { border-color:var(--c-border-hover); transform:translateY(-2px); box-shadow:0 6px 24px rgba(0,0,0,.2); }
.cat-card .icon { font-size:22px; margin-bottom:7px; display:block; }
.cat-card .name { font-size:13px; font-weight:600; margin-bottom:1px; }
.cat-card .count { font-size:11px; color:var(--c-text-2); }

/* ── TOOL CARD ── */
.tools-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:12px; }
.tool-card {
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r-lg);
  padding:22px; display:flex; flex-direction:column; gap:12px; position:relative; transition:all .25s;
}
.tool-card:hover { border-color:var(--c-border-hover); transform:translateY(-2px); box-shadow:0 10px 36px rgba(0,0,0,.22); }
.tool-card-head { display:flex; gap:13px; padding-right:48px; }
.tool-logo {
  width:46px; height:46px; border-radius:10px; display:flex; align-items:center;
  justify-content:center; font-size:19px; font-weight:700; color:#fff; flex-shrink:0;
}
.tool-info { flex:1; min-width:0; }
.tool-name-row { display:flex; align-items:center; gap:5px; margin-bottom:1px; }
.tool-name { font-size:15px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.badge-verified {
  font-size:9px; font-weight:700; color:var(--c-primary-l); background:rgba(79,70,229,.08);
  padding:1px 6px; border-radius:3px; letter-spacing:.04em; flex-shrink:0; text-transform:uppercase;
}
.tool-tagline { font-size:12px; color:var(--c-text-2); line-height:1.45; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.tool-upvote {
  position:absolute; top:18px; right:18px;
  display:flex; flex-direction:column; align-items:center; gap:1px;
  padding:5px 7px; border-radius:var(--r-sm); background:var(--c-surface-2);
  border:1px solid var(--c-border); transition:all .2s; min-width:38px;
}
.tool-upvote:hover { border-color:var(--c-primary-l); background:rgba(79,70,229,.08); }
.tool-upvote svg { color:var(--c-text-2); }
.tool-upvote:hover svg { color:var(--c-primary-l); }
.upvote-num { font-size:10px; font-weight:700; color:var(--c-text-2); }

.tool-tags { display:flex; flex-wrap:wrap; gap:4px; }
.tag {
  font-size:9px; font-weight:700; padding:2px 7px; border-radius:var(--r-full);
  letter-spacing:.04em; text-transform:uppercase;
}
.tag--cat { background:rgba(79,70,229,.07); color:var(--c-primary-l); border:1px solid rgba(79,70,229,.12); }
.tag--free { background:rgba(52,211,153,.07); color:var(--c-green); border:1px solid rgba(52,211,153,.12); }
.tag--freemium { background:rgba(245,158,11,.07); color:var(--c-accent); border:1px solid rgba(245,158,11,.12); }
.tag--paid { background:rgba(248,113,113,.07); color:var(--c-red); border:1px solid rgba(248,113,113,.12); }
.tag--oss { background:rgba(52,211,153,.07); color:var(--c-green); border:1px solid rgba(52,211,153,.12); }
.tag--new { background:rgba(129,140,248,.08); color:#A5B4FC; border:1px solid rgba(129,140,248,.15); }

.tool-foot {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:9px; border-top:1px solid var(--c-border); font-size:11px;
}
.tool-rating { display:flex; align-items:center; gap:3px; color:var(--c-accent); font-weight:600; }
.tool-meta-right { color:var(--c-text-2); }

/* ── TOOL DETAIL PAGE ── */
.tool-detail { padding-top:calc(var(--nav-h) + 40px); }
.tool-detail-header {
  display:flex; gap:20px; align-items:flex-start; padding:32px 0; border-bottom:1px solid var(--c-border);
}
.tool-detail-logo { width:72px; height:72px; border-radius:16px; display:flex; align-items:center; justify-content:center; font-size:30px; font-weight:700; color:#fff; flex-shrink:0; }
.tool-detail-info h1 { font-family:var(--font-display); font-size:36px; font-weight:400; margin-bottom:4px; }
.tool-detail-info .tagline { font-size:16px; color:var(--c-text-2); margin-bottom:12px; }
.tool-detail-actions { display:flex; gap:8px; flex-wrap:wrap; }
.tool-detail-body { display:grid; grid-template-columns:1fr 320px; gap:40px; padding:40px 0; }
.tool-detail-main h2 { font-family:var(--font-display); font-size:22px; margin-bottom:12px; }
.tool-detail-main p { color:var(--c-text-2); line-height:1.7; margin-bottom:16px; }
.tool-detail-sidebar { display:flex; flex-direction:column; gap:16px; }
.sidebar-card {
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r);
  padding:20px;
}
.sidebar-card h3 { font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--c-text-2); margin-bottom:12px; }
.sidebar-row { display:flex; justify-content:space-between; padding:6px 0; border-bottom:1px solid var(--c-border); font-size:13px; }
.sidebar-row:last-child { border-bottom:none; }
.sidebar-row .label { color:var(--c-text-2); }

/* ── RELATED TOOLS ── */
.related-section { padding:48px 0; border-top:1px solid var(--c-border); }

/* ── SUBMIT CTA ── */
.cta-box {
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r-xl);
  padding:52px; text-align:center; position:relative; overflow:hidden;
}
.cta-box::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:var(--c-gradient); }
.cta-box h2 { font-family:var(--font-display); font-size:30px; font-weight:400; margin-bottom:8px; }
.cta-box p { color:var(--c-text-2); font-size:14px; margin-bottom:24px; }

/* ── NEWSLETTER ── */
.newsletter {
  background:var(--c-surface); border:1px solid var(--c-border); border-radius:var(--r-xl);
  padding:40px; display:flex; align-items:center; justify-content:space-between; gap:28px; margin-top:32px;
}
.newsletter h3 { font-family:var(--font-display); font-size:24px; margin-bottom:4px; }
.newsletter p { color:var(--c-text-2); font-size:13px; }
.newsletter-form { display:flex; gap:7px; flex-shrink:0; }
.newsletter-form input {
  padding:9px 14px; background:var(--c-surface-2); border:1px solid var(--c-border);
  border-radius:var(--r-sm); font-family:var(--font-body); font-size:13px; color:var(--c-text);
  outline:none; width:220px;
}
.newsletter-form input::placeholder { color:var(--c-text-2); }

/* ── SUBMIT FORM ── */
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:13px; font-weight:600; margin-bottom:6px; }
.form-group input, .form-group textarea, .form-group select {
  width:100%; padding:10px 14px; background:var(--c-surface-2); border:1px solid var(--c-border);
  border-radius:var(--r-sm); font-family:var(--font-body); font-size:14px; color:var(--c-text); outline:none; transition:border .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color:var(--c-primary-l); }
.form-group textarea { min-height:120px; resize:vertical; }
.form-group select { cursor:pointer; }
.form-hint { font-size:11px; color:var(--c-text-3); margin-top:4px; }

/* ── BREADCRUMB ── */
.breadcrumb {
  display:flex; align-items:center; gap:6px; font-size:12px; color:var(--c-text-2);
  padding:16px 0 8px;
}
.breadcrumb a { color:var(--c-text-2); transition:color .2s; }
.breadcrumb a:hover { color:var(--c-primary-l); }
.breadcrumb .sep { color:var(--c-text-3); }

/* ── PAGINATION ── */
.pagination { display:flex; justify-content:center; gap:4px; padding:32px 0; }
.pagination a, .pagination span {
  display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:var(--r-sm); font-size:13px; font-weight:500;
  border:1px solid var(--c-border); color:var(--c-text-2); transition:all .2s;
}
.pagination a:hover { border-color:var(--c-border-hover); color:var(--c-text); }
.pagination .active { background:var(--c-primary); border-color:var(--c-primary); color:#fff; }

/* ── FOOTER ── */
.footer { padding:52px 0 32px; border-top:1px solid var(--c-border); }
.footer-grid { display:grid; grid-template-columns:2.2fr 1fr 1fr 1fr; gap:36px; margin-bottom:36px; }
.footer-brand p { color:var(--c-text-2); font-size:12px; line-height:1.6; margin-top:8px; }
.footer-col h4 { font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--c-text-3); margin-bottom:12px; }
.footer-col a { display:block; color:var(--c-text-2); font-size:13px; padding:3px 0; transition:color .2s; }
.footer-col a:hover { color:var(--c-primary-l); }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; font-size:11px; color:var(--c-text-3); }
.footer-links { display:flex; gap:14px; }
.footer-links a { color:var(--c-text-3); transition:color .2s; }
.footer-links a:hover { color:var(--c-text); }

/* ── RESPONSIVE ── */
@media(max-width:900px) {
  .tool-detail-body { grid-template-columns:1fr; }
}
@media(max-width:768px) {
  .nav { padding:0 16px; }
  .nav-left .nav-link, .sister-pill { display:none; }
  .nav-hamburger { display:flex; }
  .hero { padding:calc(var(--nav-h)+32px) 16px 40px; min-height:82vh; }
  .stats-row { gap:18px; }
  .stat-num { font-size:22px; }
  .container { padding:0 16px; }
  .section { padding:52px 0; }
  .tools-grid { grid-template-columns:1fr; }
  .cat-grid { grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); }
  .newsletter { flex-direction:column; text-align:center; padding:28px 18px; }
  .newsletter-form { width:100%; }
  .newsletter-form input { flex:1; width:auto; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:24px; }
  .cta-box { padding:32px 18px; }
  .section-head { flex-direction:column; align-items:flex-start; gap:8px; }
}