/* ========================================
   PDForge — Landing, Privacy & Terms
   Standalone (no dependency on style.css,
   which sets overflow:hidden for the app).
   ======================================== */

:root {
  --bg: #0f1117;
  --bg-surface: #1a1d27;
  --bg-elevated: #232733;
  --border: #2e3345;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --accent: #4f8ff7;
  --accent-hover: #6ba0f9;
  --accent-dim: rgba(79, 143, 247, 0.12);
  --success: #4caf7d;
  --radius: 8px;
  --radius-lg: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(15, 17, 23, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
}

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

/* Nav CTA must keep button text white — .nav-links a outranks .btn-primary */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #fff;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 150ms ease, transform 150ms ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 96px 24px 72px;
  max-width: 760px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  padding: 4px 14px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(79, 143, 247, 0.3);
  border-radius: 999px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero p {
  color: var(--text-dim);
  font-size: 18px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Sections ---- */
.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 56px 24px;
}

.section h2 {
  font-size: 28px;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 36px;
}

/* ---- Feature grid ---- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature {
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.feature p {
  font-size: 14px;
  color: var(--text-dim);
}

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  counter-reset: step;
}

.step {
  padding: 20px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
}

.step h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.step p {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---- Privacy strip ---- */
.privacy-strip {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.privacy-strip .section {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.privacy-strip .dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
}

.privacy-strip p {
  color: var(--text-dim);
  font-size: 15px;
}

.privacy-strip a {
  color: var(--accent);
}

/* ---- Legal pages ---- */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

.legal h1 {
  font-size: 34px;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal .updated {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 32px;
}

.legal h2 {
  font-size: 20px;
  margin: 28px 0 8px;
}

.legal p, .legal li {
  color: var(--text-dim);
  font-size: 15px;
}

.legal p {
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal a {
  color: var(--accent);
}

.legal code {
  font-size: 13px;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text);
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

footer nav {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

footer a {
  color: var(--text-dim);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 64px 20px 48px;
  }

  .privacy-strip .section {
    flex-direction: column;
    align-items: flex-start;
  }
}