/* ==========================================================================
   TimeGlobe — Design System
   Palette: deep space navy + electric violet + signal cyan
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (data)
   ========================================================================== */

:root{
  --bg:            #0a0b14;
  --bg-soft:       #0e1020;
  --surface:       rgba(22, 24, 42, 0.62);
  --surface-solid: #141629;
  --border:        rgba(140, 150, 255, 0.14);
  --border-strong: rgba(140, 150, 255, 0.32);

  --text:          #eceefb;
  --text-muted:    #9598b8;
  --text-faint:    #676b8f;

  --violet:        #7c5cff;
  --violet-soft:   rgba(124, 92, 255, 0.15);
  --cyan:          #23e6d8;
  --cyan-soft:     rgba(35, 230, 216, 0.14);
  --magenta:       #ff4fb8;

  --grad-signal:   linear-gradient(120deg, #7c5cff 0%, #23e6d8 100%);
  --grad-hero:     radial-gradient(circle at 18% 20%, rgba(124,92,255,0.30), transparent 42%),
                    radial-gradient(circle at 82% 0%, rgba(35,230,216,0.20), transparent 40%),
                    radial-gradient(circle at 50% 100%, rgba(255,79,184,0.10), transparent 45%);

  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1200px;

  --font-display: 'Space Grotesk', 'Sora', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed; inset:0;
  background:var(--grad-hero);
  pointer-events:none;
  z-index:0;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; position:relative; z-index:1; }

h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.01em; color:var(--text); }
h1{ font-size:clamp(2.4rem, 5vw, 4rem); line-height:1.05; letter-spacing:-0.02em; }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); line-height:1.15; }
h3{ font-size:1.3rem; line-height:1.3; }
p{ color:var(--text-muted); }
.mono{ font-family:var(--font-mono); }

::selection{ background:var(--violet); color:#fff; }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Signal pulse-bar (signature element) ---------- */
.pulse-bar{
  position:relative; z-index:2;
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
  overflow:hidden;
  white-space:nowrap;
}
.pulse-bar .track{
  display:inline-flex;
  align-items:center;
  gap:40px;
  padding:10px 0;
  animation:scrollTrack 38s linear infinite;
}
.pulse-bar .track span{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.03em;
  color:var(--text-faint);
  display:inline-flex; align-items:center; gap:8px;
}
.pulse-bar .track span::before{
  content:'';
  width:6px; height:6px; border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);
  display:inline-block;
}
@keyframes scrollTrack{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* ---------- Header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(10,11,20,0.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.logo{
  font-family:var(--font-display);
  font-weight:700; font-size:1.3rem;
  display:flex; align-items:center; gap:10px;
  color:var(--text);
}
.logo .dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--grad-signal);
  box-shadow:0 0 12px var(--violet);
}
.logo b{ color:var(--cyan); }
.navlinks{ display:flex; align-items:center; gap:30px; }
.navlinks a{
  font-size:14.5px; color:var(--text-muted);
  transition:color .2s ease;
  position:relative;
}
.navlinks a:hover, .navlinks a.active{ color:var(--text); }
.navlinks a.active::after{
  content:''; position:absolute; left:0; right:0; bottom:-19px; height:2px;
  background:var(--grad-signal); border-radius:2px;
}
.nav-cta{
  padding:9px 18px; border-radius:100px;
  background:var(--grad-signal);
  color:#050510; font-weight:600; font-size:13.5px;
  white-space:nowrap;
}
.menu-toggle{ display:none; background:none; border:1px solid var(--border-strong); color:var(--text); width:38px; height:38px; border-radius:8px; font-size:18px; cursor:pointer; }

@media (max-width:860px){
  .navlinks{
    position:fixed; inset:64px 0 0 0; background:var(--bg); flex-direction:column;
    justify-content:flex-start; padding:30px 24px; gap:22px; border-top:1px solid var(--border);
    transform:translateX(100%); transition:transform .3s ease; z-index:49;
  }
  .navlinks.open{ transform:translateX(0); }
  .navlinks a::after{ display:none; }
  .menu-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{ padding:90px 0 70px; position:relative; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.06em;
  color:var(--cyan); background:var(--cyan-soft);
  border:1px solid rgba(35,230,216,0.35);
  padding:6px 14px; border-radius:100px; margin-bottom:22px;
}
.hero h1{ max-width:820px; }
.hero h1 .grad{
  background:var(--grad-signal); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p.lead{ max-width:560px; font-size:1.08rem; margin-top:20px; color:var(--text-muted); }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px; border-radius:100px; font-weight:600; font-size:14.5px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn-primary{ background:var(--grad-signal); color:#05050f; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 30px -8px rgba(124,92,255,0.6); }
.btn-ghost{ border:1px solid var(--border-strong); color:var(--text); }
.btn-ghost:hover{ border-color:var(--cyan); color:var(--cyan); }

/* stat strip */
.stat-strip{ display:flex; gap:0; margin-top:64px; border-top:1px solid var(--border); padding-top:28px; flex-wrap:wrap; }
.stat{ flex:1; min-width:140px; padding-right:24px; }
.stat b{ font-family:var(--font-display); font-size:1.9rem; display:block; color:var(--text); }
.stat span{ font-size:12.5px; color:var(--text-faint); font-family:var(--font-mono); }

/* ---------- Section headers ---------- */
.section{ padding:70px 0; position:relative; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:38px; gap:20px; flex-wrap:wrap; }
.section-head .tag{ font-family:var(--font-mono); font-size:12px; color:var(--violet); letter-spacing:0.08em; margin-bottom:10px; display:block; }
.section-head a.viewall{ font-size:13.5px; color:var(--cyan); white-space:nowrap; }

/* ---------- Cards / grid ---------- */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.grid-2{ grid-template-columns:repeat(2, 1fr); }
@media (max-width:900px){ .grid-3, .grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  backdrop-filter:blur(10px);
  transition:border-color .2s ease, transform .2s ease;
  display:flex; flex-direction:column; height:100%;
}
.card:hover{ border-color:var(--border-strong); transform:translateY(-3px); }
.card .cat{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.05em;
  color:var(--cyan); text-transform:uppercase; margin-bottom:14px; display:inline-block;
}
.card h3{ margin-bottom:10px; }
.card h3 a:hover{ color:var(--cyan); }
.card p.excerpt{ font-size:14.5px; flex:1; margin-bottom:16px; }
.card .meta{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--text-faint);
  border-top:1px solid var(--border); padding-top:14px;
}

/* featured/big card */
.card-feature{ grid-column:span 2; flex-direction:row; gap:26px; align-items:stretch; }
.card-feature .icon-block{
  min-width:180px; border-radius:var(--radius-sm);
  background:var(--grad-hero), var(--surface-solid);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-size:2.6rem; color:var(--violet);
  border:1px solid var(--border);
}
@media (max-width:900px){ .card-feature{ grid-column:span 1; flex-direction:column; } .card-feature .icon-block{ min-height:120px; } }

/* pill / category filter */
.pills{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
.pill{
  padding:8px 16px; border-radius:100px; font-size:13px; font-family:var(--font-mono);
  border:1px solid var(--border-strong); color:var(--text-muted); cursor:pointer;
  transition:all .2s ease; background:transparent;
}
.pill:hover{ color:var(--text); }
.pill.active{ background:var(--grad-signal); color:#05050f; border-color:transparent; font-weight:600; }

/* article list row (used on articles.html) */
.article-row{
  display:flex; gap:20px; align-items:center;
  padding:20px 0; border-bottom:1px solid var(--border);
}
.article-row .idx{ font-family:var(--font-mono); font-size:13px; color:var(--text-faint); min-width:32px; }
.article-row .body{ flex:1; }
.article-row .body h3{ font-size:1.08rem; margin-bottom:6px; }
.article-row .body p{ font-size:13.5px; }
.article-row .cat-badge{
  font-family:var(--font-mono); font-size:10.5px; color:var(--violet);
  border:1px solid var(--border-strong); padding:4px 10px; border-radius:100px; white-space:nowrap;
}

/* ---------- Article page ---------- */
.article-hero{ padding:56px 0 36px; border-bottom:1px solid var(--border); }
.breadcrumbs{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); margin-bottom:24px; }
.breadcrumbs a:hover{ color:var(--cyan); }
.article-hero .cat{ font-family:var(--font-mono); color:var(--cyan); font-size:12.5px; letter-spacing:0.05em; text-transform:uppercase; }
.article-hero h1{ margin-top:16px; max-width:780px; }
.article-meta{ display:flex; gap:18px; margin-top:22px; font-family:var(--font-mono); font-size:12.5px; color:var(--text-faint); flex-wrap:wrap; }

.prose{ max-width:740px; padding:48px 0; }
.prose p{ color:#c7c9e2; font-size:1.03rem; margin-bottom:20px; }
.prose h2{ margin:38px 0 16px; font-size:1.5rem; }
.prose h2::before{ content:'// '; color:var(--violet); }
.prose h3{ margin:28px 0 12px; font-size:1.15rem; color:var(--text); }
.prose ul{ margin:0 0 20px 0; }
.prose ul li{ color:#c7c9e2; padding-left:22px; position:relative; margin-bottom:10px; }
.prose ul li::before{ content:'▸'; color:var(--cyan); position:absolute; left:0; }
.prose blockquote{
  border-left:3px solid var(--violet); padding:14px 22px; margin:26px 0;
  background:var(--surface); border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--text);
  font-size:1.02rem;
}
.ad-slot{
  max-width:740px; margin:36px 0; padding:18px; text-align:center;
  border:1px dashed var(--border-strong); border-radius:var(--radius-sm);
  font-family:var(--font-mono); font-size:11px; color:var(--text-faint); letter-spacing:0.05em;
}

.tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:30px; }
.tags a{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-muted); border:1px solid var(--border); padding:5px 12px; border-radius:100px; }

.related{ padding:50px 0 80px; border-top:1px solid var(--border); }

/* ---------- Newsletter / CTA band ---------- */
.cta-band{
  margin:0 auto; max-width:var(--maxw);
  background:var(--surface); border:1px solid var(--border); border-radius:24px;
  padding:56px; text-align:center; position:relative; overflow:hidden;
}
.cta-band::before{ content:''; position:absolute; inset:0; background:var(--grad-hero); opacity:.6; }
.cta-band > *{ position:relative; z-index:1; }
.cta-band h2{ max-width:560px; margin:0 auto 14px; }
.cta-band p{ max-width:460px; margin:0 auto 28px; }
.subscribe-form{ display:flex; gap:10px; max-width:420px; margin:0 auto; flex-wrap:wrap; justify-content:center; }
.subscribe-form input{
  flex:1; min-width:220px; padding:13px 18px; border-radius:100px;
  border:1px solid var(--border-strong); background:var(--bg-soft); color:var(--text); font-family:var(--font-body);
}
.subscribe-form input::placeholder{ color:var(--text-faint); }

/* ---------- Footer ---------- */
footer.site{ border-top:1px solid var(--border); padding:60px 0 30px; margin-top:60px; position:relative; z-index:1; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:50px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-grid h4{ font-size:12.5px; letter-spacing:0.06em; color:var(--text-faint); margin-bottom:16px; font-family:var(--font-mono); text-transform:uppercase; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid ul li a{ color:var(--text-muted); font-size:14px; }
.footer-grid ul li a:hover{ color:var(--cyan); }
.footer-grid p{ font-size:14px; max-width:280px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--border); padding-top:24px; font-size:12.5px; color:var(--text-faint); flex-wrap:wrap; gap:12px; }
.footer-bottom .socials{ display:flex; gap:16px; }
.footer-bottom .socials a{ color:var(--text-faint); }
.footer-bottom .socials a:hover{ color:var(--cyan); }

/* ---------- Static / legal pages ---------- */
.page-hero{ padding:70px 0 40px; }
.page-hero .tag{ font-family:var(--font-mono); font-size:12.5px; color:var(--violet); letter-spacing:0.06em; }
.legal{ max-width:780px; padding:20px 0 80px; }
.legal h2{ margin:36px 0 14px; font-size:1.4rem; }
.legal p, .legal li{ color:#c7c9e2; margin-bottom:14px; font-size:0.99rem; }
.legal ul{ margin-left:6px; margin-bottom:16px; }
.legal ul li{ padding-left:20px; position:relative; }
.legal ul li::before{ content:'—'; position:absolute; left:0; color:var(--text-faint); }
.updated{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); margin-top:8px; display:block; }

/* contact */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; padding:20px 0 80px; }
@media (max-width:800px){ .contact-grid{ grid-template-columns:1fr; } }
.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-family:var(--font-mono); font-size:12px; color:var(--text-faint); margin-bottom:8px; letter-spacing:0.04em; }
.form-field input, .form-field textarea{
  width:100%; padding:13px 16px; border-radius:var(--radius-sm);
  border:1px solid var(--border-strong); background:var(--surface); color:var(--text); font-family:var(--font-body); font-size:14.5px;
}
.form-field textarea{ min-height:140px; resize:vertical; }
.info-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px; }
.info-card .row{ display:flex; gap:14px; margin-bottom:22px; align-items:flex-start; }
.info-card .row .k{ font-family:var(--font-mono); font-size:11.5px; color:var(--cyan); text-transform:uppercase; letter-spacing:0.05em; display:block; margin-bottom:4px; }
.info-card .row .v{ color:var(--text); font-size:14.5px; }

/* 404 */
.notfound{ text-align:center; padding:140px 0; }
.notfound .code{ font-family:var(--font-display); font-size:6rem; background:var(--grad-signal); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* back to top */
.backtotop{
  position:fixed; bottom:26px; right:26px; width:44px; height:44px; border-radius:50%;
  background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text);
  display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:40;
  opacity:0; pointer-events:none; transition:opacity .2s ease;
}
.backtotop.show{ opacity:1; pointer-events:auto; }