/* WriteMode landing v3 — editorial newsletter tool
 * Visual language: serif headings (Iowan Old Style), sans body (Inter),
 * mono numbers (JetBrains Mono). Black/white/grey hierarchy + amber accent.
 * Premium feel: generous whitespace, scroll-reveal motion, dark mode aware.
 */
:root {
  --bg: #ffffff;
  --bg-elev: #fafafa;
  --bg-subtle: #f4f4f5;
  --bg-sunken: #ececef;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --border-faint: #f0f0f3;
  --text: #0a0a0a;
  --text-muted: #52525b;
  --text-subtle: #a1a1aa;
  --text-faint: #c4c4c8;
  --text-invert: #fafafa;
  --bg-invert: #0a0a0a;
  --bg-invert-elev: #18181b;

  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-active: #b45309;
  --accent-soft: #fef3c7;
  --accent-faint: #fffbeb;
  --accent-glow: rgba(245, 158, 11, 0.18);

  --p-substack: #FF6719;
  --p-substack-soft: #ffe9dd;
  --p-beehiiv: #FFB33F;
  --p-beehiiv-soft: #fff2d3;
  --p-ghost: #15171A;
  --p-ghost-soft: #e6e7ea;
  --p-medium: #000000;
  --p-medium-soft: #e8e8e8;
  --p-linkedin: #0A66C2;
  --p-linkedin-soft: #dbe7f5;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Iowan Old Style', 'Apple Garamond', 'Baskerville', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'SF Mono Local', Menlo, Consolas, monospace;

  --fs-xs: 12px; --fs-sm: 13px; --fs-base: 14px; --fs-md: 15px;
  --fs-lg: 17px; --fs-xl: 20px; --fs-2xl: 24px; --fs-3xl: 32px;
  --fs-4xl: 42px; --fs-display: 56px; --fs-display-lg: 72px; --fs-display-xl: 88px;

  --shadow-sm: 0 2px 4px rgba(15,15,15,0.05), 0 1px 2px rgba(15,15,15,0.03);
  --shadow-md: 0 4px 16px rgba(15,15,15,0.06), 0 1px 3px rgba(15,15,15,0.04);
  --shadow-lg: 0 16px 40px rgba(15,15,15,0.08), 0 4px 12px rgba(15,15,15,0.04);
  --shadow-xl: 0 24px 64px rgba(15,15,15,0.12), 0 8px 24px rgba(15,15,15,0.06);
  --shadow-glow: 0 0 0 4px var(--accent-glow);

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 120ms; --dur-base: 200ms; --dur-slow: 320ms; --dur-slower: 480ms;
}

[data-theme="dark"] {
  --bg: #09090b;
  --bg-elev: #0f0f12;
  --bg-subtle: #18181b;
  --bg-sunken: #27272a;
  --border: #1f1f23;
  --border-strong: #2e2e34;
  --border-faint: #131316;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --text-faint: #52525b;
  --text-invert: #0a0a0a;
  --bg-invert: #fafafa;
  --bg-invert-elev: #e4e4e7;

  --accent: #fbbf24;
  --accent-hover: #f59e0b;
  --accent-soft: #422006;
  --accent-faint: #1c1207;

  --p-substack-soft: #2a1308;
  --p-beehiiv-soft: #2a1f08;
  --p-ghost-soft: #1a1c20;
  --p-medium-soft: #1a1a1a;
  --p-linkedin-soft: #0a1929;

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.6);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.7);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.serif { font-family: var(--font-serif); }
.mono { font-family: var(--font-mono); }

/* ─── Container ─────────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 720px; margin: 0 auto; }

/* ─── Topbar ────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.topbar.is-scrolled { border-bottom-color: var(--border); }

.brand { display: flex; align-items: center; gap: 8px; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.brand-version {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-subtle);
  margin-left: 6px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.topbar-nav { display: flex; gap: 32px; }
.topbar-nav a {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
}
.topbar-nav a:hover { color: var(--text); }
.topbar-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.topbar-nav a:hover::after { transform: scaleX(1); }

.topbar-actions { display: flex; gap: 8px; align-items: center; }

/* ─── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
}
.btn-lg { padding: 14px 24px; font-size: var(--fs-md); }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--bg-invert);
  color: var(--text-invert);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--bg-elev);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-subtle); border-color: var(--border-strong); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--bg-subtle); color: var(--text); }

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.theme-toggle:hover { background: var(--bg-subtle); color: var(--text); border-color: var(--border-strong); }
.theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark { display: inline-block; }

/* ─── Hero ──────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero::before {
  /* ambient amber glow */
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 720px; height: 720px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text { max-width: 580px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--accent-soft);
  color: var(--accent-active);
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
[data-theme="dark"] .hero-eyebrow { color: var(--accent); }
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-glow);
  animation: pulse-dot 2s var(--ease-in-out) infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--fs-display-lg);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-title .serif-italic { font-style: italic; color: var(--accent); }
.hero-subtitle {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn-shortcut {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  margin-left: 4px;
}
[data-theme="dark"] .btn-shortcut { background: rgba(0, 0, 0, 0.2); }
.hero-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}
.hero-meta span:not(:last-child)::after {
  content: '·';
  margin-left: 8px;
  color: var(--text-faint);
}

/* Hero visual: mock browser window with the popup inside */
.hero-visual {
  position: relative;
}
.mock-browser {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: perspective(2000px) rotateY(-2deg) rotateX(2deg);
  transition: transform var(--dur-slow) var(--ease-out);
}
.mock-browser:hover { transform: perspective(2000px) rotateY(-1deg) rotateX(1deg); }

.mock-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.mock-browser-dots { display: flex; gap: 6px; }
.mock-browser-dots span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg-sunken);
}
.mock-browser-dots span:nth-child(1) { background: #fb6058; }
.mock-browser-dots span:nth-child(2) { background: #fcbb40; }
.mock-browser-dots span:nth-child(3) { background: #34c84a; }
.mock-browser-url {
  flex: 1;
  margin-left: 12px;
  padding: 6px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.mock-popup {
  padding: 0;
  background: var(--bg);
}
.mock-popup-topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  height: 56px;
}
.mock-popup-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mock-popup-brand span {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: 600;
}
.mock-popup-brand .pulse {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 4px;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
.mock-popup-tabs {
  justify-self: center;
  display: flex;
  gap: 0;
  background: var(--bg-subtle);
  border-radius: 999px;
  padding: 3px;
}
.mock-popup-tabs span {
  padding: 6px 12px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 999px;
}
.mock-popup-tabs span.active {
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.mock-popup-actions { display: flex; gap: 4px; }
.mock-popup-actions span {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--bg-subtle);
}

.mock-popup-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  min-height: 380px;
}
.mock-editor { padding: 24px 28px; }
.mock-title {
  font-family: var(--font-serif);
  font-size: var(--fs-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--border-faint);
  padding-bottom: 12px;
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.2;
}
.mock-body-text {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.7;
  color: var(--text);
}
.mock-body-text .ln { display: block; margin-bottom: 8px; }
.mock-body-text .ln.dim { color: var(--text-subtle); }
.mock-body-text .ln.cur { color: var(--text); position: relative; }
.mock-body-text .ln.cur::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursor-blink 1.06s steps(2) infinite;
}
@keyframes cursor-blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
.mock-meta-row {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
}
.mock-meta-row .saved {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.mock-meta-row .saved svg { color: var(--success); }

.mock-rail {
  background: var(--bg-elev);
  border-left: 1px solid var(--border);
  padding: 20px;
}
.mock-rail-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.mock-platforms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 20px;
}
.mock-pf {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.mock-pf.checked {
  background: var(--p-substack-soft);
  border-color: var(--p-substack);
}
.mock-pf[data-platform="beehiiv"].checked { background: var(--p-beehiiv-soft); border-color: var(--p-beehiiv); }
.mock-pf[data-platform="ghost"].checked { background: var(--p-ghost-soft); border-color: var(--p-ghost); }
.mock-pf[data-platform="linkedin"].checked { background: var(--p-linkedin-soft); border-color: var(--p-linkedin); }
.mock-pf-icon {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}
.mock-pf.checked .mock-pf-icon {
  background: var(--text);
  color: var(--bg);
}
.mock-pf[data-platform="substack"].checked .mock-pf-icon { background: var(--p-substack); color: white; }
.mock-pf[data-platform="beehiiv"].checked .mock-pf-icon { background: var(--p-beehiiv); }
.mock-pf[data-platform="ghost"].checked .mock-pf-icon { background: var(--p-ghost); color: white; }
.mock-pf[data-platform="linkedin"].checked .mock-pf-icon { background: var(--p-linkedin); color: white; }
.mock-pf-icon svg { width: 14px; height: 14px; }
.mock-pf-name {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text);
}
.mock-publish-btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  background: var(--text);
  color: var(--bg);
  border-radius: 8px;
  font-size: var(--fs-sm);
  font-weight: 500;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.mock-publish-btn .kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.15);
}

/* ─── Platform logo strip ───────────────────────────── */
.platform-strip {
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--border-faint);
  background: var(--bg-elev);
  overflow: hidden;
  position: relative;
}
.platform-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
.platform-strip-label {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.platform-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  opacity: 0.7;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.platform-logo:hover {
  opacity: 1;
  transform: translateY(-1px);
}
.platform-logo svg { width: 24px; height: 24px; }

/* ─── Stats (live counter) ──────────────────────────── */
.stats-strip {
  padding: 64px 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border-faint);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: var(--fs-display);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-lbl {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-top: 8px;
}

/* ─── Section base ──────────────────────────────────── */
.section { padding: 120px 0; }
.section-head { text-align: center; margin-bottom: 80px; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent-active);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: var(--fs-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Features grid ─────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--dur-base) var(--ease-out);
  opacity: 0;
  transform: translateY(20px);
}
.feature.is-revealed {
  opacity: 1;
  transform: translateY(0);
}
.feature:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-active);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
[data-theme="dark"] .feature-icon { color: var(--accent); }
.feature h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 8px;
}
.feature p {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--text-muted);
}

/* ─── Comparison table ──────────────────────────────── */
.compare-section {
  background: var(--bg-elev);
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
}
.compare-table {
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  width: 100%;
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-faint);
  font-size: var(--fs-md);
}
.compare-table th {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--text-subtle);
}
.compare-table th:first-child { color: var(--text); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td:first-child { color: var(--text); font-weight: 500; }
.compare-table td.dim { color: var(--text-subtle); }
.compare-table td.win { color: var(--accent-active); font-weight: 600; }
[data-theme="dark"] .compare-table td.win { color: var(--accent); }
.compare-table td.win::before {
  content: '✓ ';
  color: var(--success);
  font-weight: 700;
}

/* ─── How it works (numbered) ───────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 64px;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--dur-slow) var(--ease-out);
}
.step.is-revealed {
  opacity: 1;
  transform: translateY(0);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  color: var(--accent-active);
  font-weight: 600;
}
[data-theme="dark"] .step::before { color: var(--accent); }
.step h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}
.step p {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--text-muted);
}

/* ─── Pricing ───────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.price-card {
  padding: 32px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}
.price-card.is-revealed {
  opacity: 1;
  transform: translateY(0);
}
.price-card.featured {
  border-color: var(--text);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
}
.price-card.featured.is-revealed { transform: translateY(-8px); }
.price-card:hover { transform: translateY(-4px); }
.price-card.featured:hover { transform: translateY(-12px); }
.price-card .featured-tag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.price-name {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}
.price-amount .num {
  font-family: var(--font-serif);
  font-size: var(--fs-3xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.price-amount .per { font-size: var(--fs-sm); color: var(--text-subtle); }
.price-desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
  min-height: 42px;
}
.price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  font-size: var(--fs-sm);
  color: var(--text);
}
.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.price-features li::before {
  content: '';
  width: 16px; height: 16px;
  background: var(--success-soft);
  border-radius: 50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
  margin-top: 1px;
}
.price-card .btn { margin-top: auto; }

/* ─── FAQ accordion ─────────────────────────────────── */
.faq {
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-faint);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) var(--ease-out);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '';
  width: 16px; height: 16px;
  background: var(--text-muted);
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>") no-repeat center;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>") no-repeat center;
  mask-size: contain;
  -webkit-mask-size: contain;
  transition: transform var(--dur-base) var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { color: var(--accent); }
.faq-item .answer {
  padding: 0 0 24px;
  color: var(--text-muted);
  font-size: var(--fs-md);
  line-height: 1.7;
}
.faq-item .answer code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text);
}

/* ─── Footer ────────────────────────────────────────── */
.footer {
  padding: 64px 0 48px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 48px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-brand .brand { font-size: var(--fs-xl); }
.footer-tagline {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 320px;
}
.footer-col h5 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-col a:hover { color: var(--text); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-faint);
  font-size: var(--fs-xs);
  color: var(--text-subtle);
}

/* ─── Scroll reveal ─────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-title { font-size: var(--fs-display); }
  .features-grid, .steps, .pricing-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 80px 0; }
  .topbar-nav { display: none; }
}
@media (max-width: 540px) {
  .hero { padding: 56px 0 64px; }
  .hero-title { font-size: var(--fs-4xl); }
  .container, .platform-strip-inner { padding: 0 20px; }
  .topbar { padding: 12px 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
  .section-title { font-size: var(--fs-4xl); }
  .price-card.featured { transform: none; }
  .price-card.featured.is-revealed { transform: none; }
}

/* ─── Scrollbars ────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-subtle); }