/* ============================================================
   DailyTechWire — Shared shell stylesheet
   Includes: tokens, base, topbar, masthead, main nav,
   breadcrumb, footer chrome, common buttons & primitives.
   Page-specific CSS is kept inline per page.
   ============================================================ */

:root{
  --primary-900:#1E3A8A; --primary-700:#1D4ED8; --primary-600:#2563EB;
  --accent-500:#F59E0B; --accent-100:#FEF3C7;
  --success-500:#10B981; --danger-500:#EF4444;
  --ink-900:#0F172A; --ink-700:#1F2937; --ink-600:#475569; --ink-500:#64748B; --ink-400:#94A3B8;
  --line-300:#CBD5E1; --line-200:#E5E7EB; --line-100:#EEF2F6;
  --bg-50:#F9FAFB; --bg-100:#F3F4F6; --paper:#FFFFFF;
  --serif:'Source Serif 4', Charter, Georgia, serif;
  --sans:'Inter', system-ui, -apple-system, sans-serif;
  --mono:'JetBrains Mono', 'SF Mono', Menlo, ui-monospace, monospace;
  --maxw:1280px;
  /* pillar accents */
  --c-ai:#7C3AED; --c-products:#0EA5E9; --c-business:#1E3A8A;
  --c-asia:#DC2626; --c-developer:#059669; --c-deep:#7C2D12;
  /* awards accent — set on each program page via --cat */
  --cat:#1E3A8A; --cat-soft:#EFF3FF; --cat-deep:#0B2A6B;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink-900)}
body{font-family:var(--serif);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","kern"}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sans{font-family:var(--sans)} .mono{font-family:var(--mono)}
.meta{font-family:var(--sans);font-size:13px;color:var(--ink-600);line-height:1.5}
.label{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-600)}
.eyebrow{font-family:var(--sans);font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--primary-600);display:inline-flex;align-items:center;gap:8px}
.eyebrow .bullet{width:6px;height:6px;background:currentColor;border-radius:1px}

.pillarTag{font-family:var(--sans);font-weight:600;font-size:11px;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}
.pillarTag::before{content:"";width:8px;height:2px;background:currentColor}
.pillarTag.ai{color:var(--c-ai)}
.pillarTag.products{color:var(--c-products)}
.pillarTag.business{color:var(--c-business)}
.pillarTag.asia{color:var(--c-asia)}
.pillarTag.developer{color:var(--c-developer)}
.pillarTag.deep{color:var(--c-deep)}

.pulse{position:relative;width:8px;height:8px;border-radius:50%;background:var(--danger-500);display:inline-block}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--danger-500);opacity:.25;animation:dtwPulse 1.6s ease-out infinite}
@keyframes dtwPulse{0%{transform:scale(.6);opacity:.45}100%{transform:scale(1.9);opacity:0}}

/* ---------- TOP BAR ---------- */
.topbar{background:var(--ink-900);color:#E2E8F0}
.topbar .row{display:flex;align-items:center;gap:20px;height:36px;font-family:var(--sans);font-size:12.5px}
.topbar .date{color:#94A3B8}
.topbar .ticker{flex:1;display:flex;gap:22px;overflow:hidden;white-space:nowrap;color:#CBD5E1}
.topbar .ticker b{color:#fff;font-weight:600}
.topbar .ticker .up{color:#34D399}
.topbar .ticker .dn{color:#F87171}
.topbar .links{display:flex;gap:18px;color:#CBD5E1}
.topbar .links a:hover{color:#fff}

/* ---------- MASTHEAD ---------- */
.masthead{border-bottom:1px solid var(--line-200);background:var(--paper)}
.masthead .row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px 0;gap:24px}
.masthead .center{display:flex;flex-direction:column;align-items:center;gap:6px}
.masthead .horizontal{display:flex;align-items:center;gap:12px}
.masthead .horizontal .mono-block{width:48px;height:48px;border-radius:6px;background:var(--primary-900);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-weight:600;font-size:17px;letter-spacing:.02em;flex-shrink:0}
.masthead .horizontal .word-wrap{display:flex;flex-direction:column;gap:5px;line-height:1}
.masthead .horizontal .word{font-family:var(--sans);font-weight:700;font-size:30px;letter-spacing:-.02em;color:var(--primary-900);line-height:.95}
.masthead .horizontal .pulse-line{display:flex;align-items:center;gap:3px;height:5px}
.masthead .horizontal .pulse-line .d{width:5px;height:5px;border-radius:50%;background:var(--primary-900);flex-shrink:0}
.masthead .horizontal .pulse-line .d.amber{background:var(--accent-500)}
.masthead .horizontal .pulse-line .ln{width:20px;height:1.8px;background:var(--primary-900);border-radius:2px;flex-shrink:0}
.masthead .tag{font-family:var(--serif);font-style:italic;font-weight:400;font-size:12px;color:var(--ink-600)}
.masthead .left,.masthead .right{display:flex;align-items:center;gap:14px;font-family:var(--sans);font-size:13px;color:var(--ink-700)}
.masthead .right{justify-content:flex-end}
.iconbtn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line-200);border-radius:2px;color:var(--ink-700)}
.iconbtn:hover{background:var(--bg-50)}
.btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;font-family:var(--sans);font-weight:600;font-size:13px;border-radius:2px;cursor:pointer}
.btn-primary{background:var(--ink-900);color:#fff}
.btn-primary:hover{background:var(--primary-900)}
.btn-ghost{border:1px solid var(--line-300);color:var(--ink-900)}
.btn-ghost:hover{background:var(--bg-50)}
.btn-accent{background:var(--accent-500);color:var(--ink-900)}
.btn-accent:hover{background:#E0890A}
.btn-lg{height:48px;padding:0 22px;font-size:13.5px;letter-spacing:.04em;text-transform:uppercase}

/* ---------- MAIN NAV ---------- */
nav.main{border-bottom:1px solid var(--line-200);border-top:2px solid var(--ink-900);background:var(--paper);position:sticky;top:0;z-index:40}
nav.main .row{display:flex;align-items:stretch;font-family:var(--sans);height:48px}
nav.main a.pill{display:inline-flex;align-items:center;padding:0 18px;font-weight:600;font-size:13.5px;color:var(--ink-900);position:relative;letter-spacing:.01em}
nav.main a.pill:hover{color:var(--primary-600)}
nav.main a.pill .swatch{width:6px;height:6px;border-radius:50%;margin-right:8px;display:inline-block}
nav.main a.pill.divider{border-left:1px solid var(--line-200);margin-left:8px;padding-left:18px}
nav.main a.pill.active{color:var(--cat,var(--ink-900))}
nav.main a.pill.active::after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:3px;background:var(--cat,var(--ink-900))}
nav.main .spacer{flex:1}
nav.main .right{display:flex;align-items:center;gap:6px}
nav.main .right a{font-weight:600;font-size:12.5px;color:var(--ink-600);padding:0 10px}
nav.main .right a.pro{color:#fff;background:var(--ink-900);padding:6px 12px;border-radius:2px;font-size:12px;letter-spacing:.04em;text-transform:uppercase}

/* ---------- BREADCRUMB ---------- */
.crumb{border-bottom:1px solid var(--line-100);background:var(--paper)}
.crumb .row{display:flex;align-items:center;gap:8px;padding:10px 0;font-family:var(--sans);font-size:12px;color:var(--ink-600);flex-wrap:wrap}
.crumb a:hover{color:var(--cat,var(--primary-700))}
.crumb .sep{color:var(--ink-400)}
.crumb .now{color:var(--ink-900);font-weight:600}

/* ---------- AWARDS SUB-NAV (program tabs) ---------- */
.subnav{border-bottom:1px solid var(--line-200);background:#fff;position:sticky;top:48px;z-index:30}
.subnav .row{display:flex;align-items:stretch;height:44px;font-family:var(--sans);overflow-x:auto;scrollbar-width:none}
.subnav .row::-webkit-scrollbar{display:none}
.subnav a{display:inline-flex;align-items:center;padding:0 16px;font-weight:600;font-size:12.5px;color:var(--ink-700);position:relative;white-space:nowrap;letter-spacing:.02em}
.subnav a:hover{color:var(--cat)}
.subnav a.active{color:var(--cat)}
.subnav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:var(--cat)}
.subnav .spacer{flex:1}
.subnav .deadline{display:inline-flex;align-items:center;gap:8px;padding:0 16px;font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--accent-500);border-left:1px solid var(--line-200)}
.subnav .deadline .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500)}

/* ---------- FOOTER ---------- */
footer.dtw{background:#06080F;color:#94A3B8;padding:48px 0 22px;font-family:var(--sans);font-size:13px;margin-top:48px}
footer.dtw .foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px;margin-bottom:28px}
footer.dtw .foot-grid h5{font-family:var(--sans);font-weight:700;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#E2E8F0;margin:0 0 12px}
footer.dtw .foot-grid a{display:block;padding:4px 0;color:#94A3B8}
footer.dtw .foot-grid a:hover{color:#fff}
footer.dtw .foot-brand .logo{color:#fff;font-family:var(--sans);font-weight:700;font-size:18px;letter-spacing:-.01em}
footer.dtw .foot-brand p{font-family:var(--serif);font-size:13.5px;color:#94A3B8;margin:10px 0;line-height:1.55;max-width:34ch}
footer.dtw .foot-bot{border-top:1px solid #1F2937;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px}
footer.dtw .foot-bot a{color:#94A3B8}
footer.dtw .foot-bot .links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- RESPONSIVE chrome ---------- */
@media (max-width:760px){
  .masthead .row{grid-template-columns:1fr;text-align:center}
  .masthead .left,.masthead .right{justify-content:center}
  nav.main{overflow-x:auto}
  footer.dtw .foot-grid{grid-template-columns:1fr 1fr}
}