/* =====================================================================
   CERT — shared design system
   Used by: index.html (landing), pricing.html, app.html
   ===================================================================== */

:root {
  /* palette */
  --bg:        #070608;
  --bg-1:      #0a0910;
  --bg-2:      #0d0c11;
  --bg-3:      #14121a;
  --surface:   rgba(11,10,15,.78);
  --surface-2: rgba(20,9,8,.6);
  --line:      #241f29;
  --line-2:    #2a2530;

  --red:       #e23b2e;
  --red-deep:  #b81f1a;
  --red-dim:   #5a1714;
  --bronze:    #c9a227;
  --bronze-dim:#6b5514;
  --green:     #34c759;
  --green-dim: #1a7a3f;

  --ink:       #f4efe8;
  --ink-soft:  #b8b2ab;
  --ink-mute:  #9a948d;
  --ink-faint: #6f6a63;
  --ink-ghost: #5a554f;

  --font-display: 'Tektur', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --font-pixel:   'Press Start 2P', monospace;
  --font-text:    'Space Grotesk', 'Segoe UI', sans-serif;

  --maxw: 1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body {
  font-family: var(--font-mono);
  color: var(--ink-soft);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--red); color: #0a0a0b; }
a { color: inherit; }
img { display: block; }

/* ---------- typography helpers ---------- */
.display { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; color: var(--ink); }
.mono    { font-family: var(--font-mono); }
.pixel   { font-family: var(--font-pixel); }
/* readable prose — softer than mono for longer descriptive text */
.lede    { font-family: var(--font-text); letter-spacing: .005em; }
.kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .32em;
  text-transform: uppercase; color: var(--ink-faint);
}
.kicker-red { color: var(--red); }
.text-red { color: var(--red); }
.text-bronze { color: var(--bronze); }
.text-green { color: var(--green); }
.text-mute { color: var(--ink-mute); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  letter-spacing: .14em; font-size: 15px; padding: 16px 30px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: filter .15s, transform .15s, background .15s, border-color .15s, color .15s;
  user-select: none;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-red    { background: var(--red); color: #120606; }
.btn-red:hover:not(:disabled) { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost  { background: transparent; color: var(--ink-soft); border-color: var(--line-2); }
.btn-ghost:hover:not(:disabled) { border-color: var(--ink-soft); color: var(--ink); }
.btn-bronze { background: var(--bronze); color: #120d02; }
.btn-bronze:hover:not(:disabled) { filter: brightness(1.08); transform: translateY(-1px); }
.btn-block  { width: 100%; }
.btn-sm     { padding: 11px 18px; font-size: 12px; letter-spacing: .1em; }
.btn-lg     { padding: 18px 38px; font-size: 16px; }

@keyframes glowpulse { 0%,100% { box-shadow: 0 0 0 0 rgba(226,59,46,0); } 50% { box-shadow: 0 0 32px 4px rgba(226,59,46,.45); } }
.cta-pulse { animation: glowpulse 2.6s ease-in-out infinite; }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); padding: 24px;
}
.card-hot { border-color: var(--red); background: rgba(20,9,8,.55); }
.card-bronze { border-color: var(--bronze-dim); }

/* ---------- form fields ---------- */
.field-label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px;
}
.field-input, .field-textarea, .field-select {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-2);
  color: var(--ink); font-family: var(--font-mono); font-size: 16px;
  padding: 15px 16px; outline: none; letter-spacing: .02em;
}
.field-textarea { resize: vertical; line-height: 1.5; }
.field-input:focus, .field-textarea:focus, .field-select:focus {
  border-color: var(--red); box-shadow: 0 0 0 3px rgba(226,59,46,.15);
}
.field-err { margin-top: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--red); }

/* segmented choices */
.choice-grid { display: grid; gap: 10px; }
.choice {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  border: 1px solid var(--line-2); background: var(--bg-2); cursor: pointer;
  font-family: var(--font-mono); font-size: 14px; color: var(--ink-soft);
  transition: border-color .15s, background .15s, color .15s;
}
.choice:hover { border-color: var(--ink-faint); }
.choice.sel { border-color: var(--red); background: rgba(226,59,46,.08); color: var(--ink); }
.choice .emoji { font-size: 20px; }

/* ---------- top nav (shared) ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; background: rgba(7,6,8,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar.transparent { background: transparent; border-color: transparent; backdrop-filter: none; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { height: 34px; width: 34px; image-rendering: pixelated; filter: drop-shadow(0 2px 4px #000); }
.brand span { font-family: var(--font-display); font-weight: 800; font-size: 19px; letter-spacing: .16em; color: var(--ink); }
.topbar-links { display: flex; align-items: center; gap: 8px; }
.navlink {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute); text-decoration: none; padding: 8px 12px; transition: color .15s;
}
.navlink:hover { color: var(--ink); }
.navlink.active { color: var(--red); }

/* lang toggle */
.lang-toggle { display: flex; border: 1px solid var(--line-2); }
.lang-btn {
  background: none; border: none; padding: 6px 10px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .1em; color: var(--ink-faint); cursor: pointer;
}
.lang-btn.active { background: var(--red); color: #120606; }

/* ---------- layout ---------- */
.section { padding: 96px 24px; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.wrap-narrow { max-width: 760px; margin: 0 auto; }
.center { text-align: center; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.price-card {
  border: 1px solid var(--line); background: var(--surface); padding: 32px 28px;
  display: flex; flex-direction: column; position: relative;
}
.price-card.featured { border-color: var(--red); box-shadow: 0 20px 60px -30px rgba(226,59,46,.5); }
.price-badge {
  position: absolute; top: -11px; left: 28px; background: var(--red); color: #120606;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  padding: 4px 10px; font-weight: 700;
}
.price-name { font-family: var(--font-display); font-weight: 700; font-size: 20px; text-transform: uppercase; color: var(--ink); letter-spacing: .04em; }
.price-amt { font-family: var(--font-display); font-weight: 800; font-size: 52px; color: var(--ink); line-height: 1; margin: 18px 0 4px; }
.price-amt .per { font-family: var(--font-mono); font-size: 14px; color: var(--ink-mute); font-weight: 400; letter-spacing: 0; }
.price-note { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }
.price-feats { list-style: none; padding: 0; margin: 24px 0; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.price-feats li { font-family: var(--font-text); font-size: 14px; line-height: 1.5; color: var(--ink-soft); display: flex; gap: 10px; align-items: flex-start; }
.price-feats li::before { content: '▸'; color: var(--red); flex: none; }

.bill-toggle { display: inline-flex; border: 1px solid var(--line-2); margin: 0 auto; }
.bill-opt { padding: 10px 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mute); cursor: pointer; background: none; border: none; }
.bill-opt.active { background: var(--red); color: #120606; }

/* small money table */
.money-row { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.money-row:last-child { border-bottom: none; }
.money-label { font-family: var(--font-mono); font-size: 14px; color: var(--ink-soft); }
.money-label small { display: block; color: var(--ink-faint); font-size: 11px; margin-top: 3px; }
.money-price { font-family: var(--font-display); font-weight: 800; font-size: 22px; color: var(--bronze); }

/* ---------- utility ---------- */
.row { display: flex; align-items: center; }
.between { justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.mt-8{margin-top:8px;}.mt-12{margin-top:12px;}.mt-16{margin-top:16px;}.mt-24{margin-top:24px;}.mt-32{margin-top:32px;}.mt-48{margin-top:48px;}
.hidden { display: none !important; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .cta-pulse { animation: none !important; }
}

@media (max-width: 640px) {
  .section { padding: 64px 18px; }
  .topbar-links .navlink { padding: 8px 7px; font-size: 11px; }
  .brand span { display: none; }
}