/*
 * MarkingDesk Landing Page
 * Dark theme per MARKINGDESK_DESIGN_SYSTEM.md:
 * "Public site: Always dark — this is the brand identity"
 */

:root {
  --ink: #1A1B26;
  --ink-light: #2A2B3A;
  --ink-mid: #3D3E52;
  --bond: #F5F2ED;
  --bond-pure: #FAFAF7;
  --lead: #E5E5E0;
  --lead-dark: #B8B8B3;
  --amber: #D4880F;
  --amber-bright: #E8A020;
  --amber-muted: rgba(196, 147, 15, 0.12);

  --radius-sm: 2px;
  --radius-md: 4px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Space Grotesk', 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

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

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(26, 27, 38, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ink-mid);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lead-dark);
  transition: color 150ms;
}

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

/* --- Wordmark --- */
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tm-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tm-letters {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--amber);
  line-height: 1;
}

.tm-rule {
  width: 100%;
  height: 2px;
  background-color: var(--amber);
  margin-top: 2px;
}

.wordmark-text {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 18px;
  color: var(--bond);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: none;
  background-color: var(--amber);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 150ms;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--amber-bright);
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-mid);
  background-color: transparent;
  color: var(--bond);
  cursor: pointer;
  transition: border-color 150ms;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--lead-dark);
}

/* --- Overline --- */
.overline {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.text-label {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lead-dark);
}

/* --- Hero --- */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 160px 32px 80px;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 52px;
  line-height: 1.1;
  color: var(--bond);
  margin-bottom: 24px;
}

.amber-italic {
  color: var(--amber);
  font-style: italic;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--lead-dark);
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* --- Stats --- */
.stats-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

.stats-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background-color: var(--ink);
  border: 1px solid var(--ink-mid);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--amber);
  line-height: 1.1;
}

.stat-label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  color: var(--bond);
  margin-top: 4px;
}

.stat-desc {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lead-dark);
  margin-top: 8px;
  line-height: 1.5;
}

/* --- Sections --- */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 36px;
  line-height: 1.15;
  color: var(--bond);
  margin-bottom: 40px;
  text-align: center;
}

.section-dark {
  background-color: var(--ink-light);
  max-width: none;
  padding-left: 32px;
  padding-right: 32px;
}

.section-dark > h2,
.section-dark > .overline,
.section-dark > .catches-grid,
.section-dark > .product-preview,
.section-dark > p,
.section-dark > form,
.section-dark > .text-label {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  text-align: center;
}

.step-number {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 32px;
  color: var(--amber);
  display: block;
  margin-bottom: 12px;
}

.step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--bond);
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--lead-dark);
  line-height: 1.6;
}

/* --- Catches Grid --- */
.catches-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.catch-item {
  background-color: var(--ink);
  border: 1px solid var(--ink-mid);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.catch-label {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bond);
  display: block;
  margin-bottom: 4px;
}

.catch-item p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lead-dark);
  line-height: 1.5;
}

/* --- Privacy --- */
.privacy-block {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--ink-light);
  border: 1px solid var(--amber);
  border-radius: var(--radius-sm);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}

.privacy-content {
  flex: 1;
}

.privacy-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--amber);
  margin-bottom: 8px;
  text-align: left;
  line-height: 1.2;
}

.privacy-sub {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  color: var(--bond);
  margin-bottom: 12px;
}

.privacy-detail {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lead-dark);
  line-height: 1.7;
}

.privacy-stat {
  text-align: right;
  flex-shrink: 0;
}

.privacy-zero {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 4px;
}

.privacy-zero-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lead-dark);
}

/* --- Product Preview --- */
.product-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.preview-card {
  background-color: var(--ink);
  border: 1px solid var(--ink-mid);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.preview-card .catch-label {
  color: var(--amber);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.preview-card p {
  font-size: 14px;
  color: var(--lead-dark);
  line-height: 1.6;
}

/* --- Waitlist --- */
.waitlist-text {
  font-size: 16px;
  color: var(--lead-dark);
  text-align: center;
  margin-bottom: 32px;
}

.waitlist-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  background-color: var(--ink-light);
  border: 1px solid var(--ink-mid);
  border-radius: var(--radius-sm);
  color: var(--bond);
  outline: none;
  transition: border-color 150ms;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--amber);
}

.waitlist-form input[type="email"]::placeholder {
  color: var(--ink-mid);
}

.waitlist-success {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  margin-top: 16px;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--ink-mid);
  padding: 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 120px 20px 60px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 13px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .stats-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .catches-grid {
    grid-template-columns: 1fr;
  }

  .product-preview {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .privacy-block {
    flex-direction: column;
    padding: 32px 24px;
    text-align: center;
  }

  .privacy-headline {
    text-align: center;
  }

  .privacy-stat {
    text-align: center;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .section {
    padding: 60px 20px;
  }

  .section-dark {
    padding-left: 20px;
    padding-right: 20px;
  }
}