/* ============================================================
   VeloraPDF — design tokens
   Theme: a document lab. Ink-black ground, cream paper surfaces,
   blueprint-blue for action, stamp-red for destructive/removal.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --ink: #16140f;
  --ink-soft: #1c1912;
  --surface: #211e17;
  --surface-hi: #2a261c;
  --line: #3a3628;
  --paper: #ede6d6;
  --paper-dim: #c9c1ab;
  --mist: #8a8372;
  --blueprint: #6f97c9;
  --blueprint-dim: #3d5a80;
  --stamp: #c1502e;
  --stamp-dim: #8f3a20;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 3px;
  --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(circle at 15% 0%, rgba(111, 151, 201, 0.06), transparent 45%),
    radial-gradient(circle at 85% 100%, rgba(193, 80, 46, 0.05), transparent 40%);
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--blueprint-dim); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--blueprint);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- layout shell ---------- */

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand .mark {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stamp);
  border: 1px solid var(--stamp-dim);
  padding: 2px 6px;
  border-radius: var(--radius);
  transform: rotate(-3deg);
}

nav.site-links {
  display: flex;
  gap: 26px;
  font-size: 14px;
  color: var(--mist);
}

nav.site-links a:hover { color: var(--paper); }

/* ---------- hero: the paper stack ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 90px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.05;
  font-weight: 500;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: italic;
  color: var(--blueprint);
}

.hero p.lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--paper-dim);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  border-left: 2px solid var(--blueprint-dim);
  padding-left: 12px;
}

/* the signature element: a fanned stack of index cards */
.stack {
  position: relative;
  height: 320px;
  perspective: 900px;
}

.stack .card {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 220px;
  height: 290px;
  background: var(--paper);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  transform-origin: bottom center;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 18px;
  color: var(--ink);
}

.stack .card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.stack .card .rule {
  height: 1px;
  background: var(--line);
  margin: 10px 0;
  opacity: 0.4;
}

.stack .card .lines span {
  display: block;
  height: 6px;
  background: var(--paper-dim);
  border-radius: 2px;
  margin-bottom: 8px;
  opacity: 0.55;
}

.stack .card:nth-child(1) { transform: rotate(-9deg) translateX(-46px); z-index: 1; }
.stack .card:nth-child(2) { transform: rotate(-3deg) translateX(-15px); z-index: 2; }
.stack .card:nth-child(3) { transform: rotate(4deg) translateX(20px); z-index: 3; }
.stack .card:nth-child(4) { transform: rotate(11deg) translateX(52px); z-index: 4; }

.stack:hover .card:nth-child(1) { transform: rotate(-16deg) translateX(-95px) translateY(-6px); }
.stack:hover .card:nth-child(2) { transform: rotate(-6deg) translateX(-32px) translateY(-2px); }
.stack:hover .card:nth-child(3) { transform: rotate(6deg) translateX(32px) translateY(-2px); }
.stack:hover .card:nth-child(4) { transform: rotate(16deg) translateX(95px) translateY(-6px); }

/* ---------- tool grid ---------- */

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
  padding-bottom: 80px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.tool-card.live {
  cursor: pointer;
}

.tool-card.live:hover {
  border-color: var(--blueprint-dim);
  background: var(--surface-hi);
  transform: translateY(-2px);
}

.tool-card .icon-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--blueprint);
  border: 1px solid var(--blueprint-dim);
  display: inline-block;
  padding: 2px 6px;
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.tool-card.soon .icon-tag {
  color: var(--mist);
  border-color: var(--line);
}

.tool-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 6px;
}

.tool-card p {
  font-size: 13px;
  color: var(--mist);
  margin: 0;
  line-height: 1.5;
}

.tool-card.soon {
  opacity: 0.55;
}

.tool-card .badge-soon {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mist);
}

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--line);
  padding: 22px 0 40px;
  font-size: 12px;
  color: var(--mist);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

footer.site .footer-links a { color: var(--mist); }
footer.site .footer-links a:hover { color: var(--blueprint); }

/* ---------- shared: buttons ---------- */

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: var(--radius);
  padding: 12px 22px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.1s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--blueprint);
  color: var(--ink);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled {
  background: var(--surface-hi);
  color: var(--mist);
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper-dim);
}
.btn-ghost:hover { border-color: var(--blueprint-dim); color: var(--paper); }

.btn-danger-ghost {
  background: transparent;
  border: 1px solid var(--stamp-dim);
  color: var(--stamp);
}
.btn-danger-ghost:hover { background: rgba(193, 80, 46, 0.1); }

/* ---------- language switcher ---------- */

.lang-switcher {
  background: var(--surface);
  color: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 6px 10px;
  cursor: pointer;
}
.lang-switcher:hover { border-color: var(--blueprint-dim); }
.lang-switcher:focus-visible { outline: 2px solid var(--blueprint); outline-offset: 2px; }

/* ---------- RTL (Arabic / Urdu) ---------- */

body.rtl { direction: rtl; }

body.rtl .hero-note,
body.rtl .prose h2 { border-left: none; }

body.rtl .hero-note {
  border-right: 2px solid var(--blueprint-dim);
  padding-right: 12px;
  padding-left: 0;
}

body.rtl .stack .card:nth-child(1) { transform: rotate(9deg) translateX(46px); }
body.rtl .stack .card:nth-child(2) { transform: rotate(3deg) translateX(15px); }
body.rtl .stack .card:nth-child(3) { transform: rotate(-4deg) translateX(-20px); }
body.rtl .stack .card:nth-child(4) { transform: rotate(-11deg) translateX(-52px); }

body.rtl .stack:hover .card:nth-child(1) { transform: rotate(16deg) translateX(95px) translateY(-6px); }
body.rtl .stack:hover .card:nth-child(2) { transform: rotate(6deg) translateX(32px) translateY(-2px); }
body.rtl .stack:hover .card:nth-child(3) { transform: rotate(-6deg) translateX(-32px) translateY(-2px); }
body.rtl .stack:hover .card:nth-child(4) { transform: rotate(-16deg) translateX(-95px) translateY(-6px); }

body.rtl .tool-card .badge-soon { right: auto; left: 18px; }
body.rtl .file-card .order-badge { left: auto; right: -8px; }
body.rtl .file-card .remove-btn { right: auto; left: -8px; }
body.rtl .back-link,
body.rtl .prose ul { padding-left: 0; }
body.rtl .prose ul { padding-right: 20px; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 20px; }
  .stack { height: 260px; order: -1; }
  header.site { flex-wrap: wrap; gap: 14px; }
}