/* ════════════════════════════════════════════════════════════
   Phonostack Landing — Design System
   Ported from atlas globals.css (dual theme, grayscale accent)
   ════════════════════════════════════════════════════════════ */

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

/* ── Light theme (default) ────────────────────────────────── */
:root,
[data-theme="light"] {
  --color-atlas-bg: #f8f9fb;
  --color-atlas-bg-raised: #ffffff;
  --color-atlas-surface: #ffffff;
  --color-atlas-surface-hover: #f1f3f5;
  --color-atlas-surface-active: #e9ecef;
  --color-atlas-border: #d0d5dd;
  --color-atlas-border-subtle: #e4e7ec;
  --color-atlas-text: #101828;
  --color-atlas-text-muted: #475467;
  --color-atlas-text-dim: #6b7280;
  --color-atlas-accent: #1f2937;
  --color-atlas-accent-hover: #0b0f17;
  --color-atlas-accent-muted: rgba(17, 24, 39, 0.06);
  --color-atlas-accent-strong: rgba(17, 24, 39, 0.1);
  --color-atlas-success: #12b76a;
  --color-atlas-warning: #f79009;
  --color-atlas-danger: #f04438;

  --atlas-shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --atlas-shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
  --atlas-shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.06), 0 2px 4px -2px rgba(16, 24, 40, 0.04);
  --atlas-shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, 0.08), 0 4px 6px -2px rgba(16, 24, 40, 0.03);
  --atlas-shadow-card: 0 1px 3px rgba(16, 24, 40, 0.04), 0 0 0 1px rgba(16, 24, 40, 0.04);

  --atlas-scrollbar-track: transparent;
  --atlas-scrollbar-thumb: #d0d5dd;
  --atlas-scrollbar-thumb-hover: #98a2b3;
}

/* ── Dark theme ───────────────────────────────────────────── */
[data-theme="dark"] {
  --color-atlas-bg: #0c0d10;
  --color-atlas-bg-raised: #111318;
  --color-atlas-surface: #16181e;
  --color-atlas-surface-hover: #1e2028;
  --color-atlas-surface-active: #262830;
  --color-atlas-border: #2e303a;
  --color-atlas-border-subtle: #1f2028;
  --color-atlas-text: #eaebef;
  --color-atlas-text-muted: #8b8d97;
  --color-atlas-text-dim: #7a7d87;
  --color-atlas-accent: #e5e7eb;
  --color-atlas-accent-hover: #ffffff;
  --color-atlas-accent-muted: rgba(229, 231, 235, 0.08);
  --color-atlas-accent-strong: rgba(229, 231, 235, 0.14);
  --color-atlas-success: #34d399;
  --color-atlas-warning: #fbbf24;
  --color-atlas-danger: #f87171;

  --atlas-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --atlas-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --atlas-shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --atlas-shadow-lg: 0 12px 16px -4px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --atlas-shadow-card: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 1px 3px rgba(0, 0, 0, 0.3);

  --atlas-scrollbar-track: transparent;
  --atlas-scrollbar-thumb: #2e303a;
  --atlas-scrollbar-thumb-hover: #5c5e67;
}

/* Dark-mode accent foreground correction */
[data-theme="dark"] .btn-primary {
  color: var(--color-atlas-bg);
}

/* ── AtlasMark theme swap ─────────────────────────────────── */
.atlas-mark-dark  { display: none; }
.atlas-mark-light { display: inline-block; object-fit: cover; border-radius: 4px; }

[data-theme="dark"] .atlas-mark-dark  { display: inline-block; object-fit: cover; border-radius: 4px; }
[data-theme="dark"] .atlas-mark-light { display: none; }

/* Theme icon swap */
.icon-theme-sun  { display: none; }
.icon-theme-moon { display: inline-block; }
[data-theme="dark"] .icon-theme-sun  { display: inline-block; }
[data-theme="dark"] .icon-theme-moon { display: none; }

/* ── Base styles ──────────────────────────────────────────── */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-atlas-bg);
  color: var(--color-atlas-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color 0.15s ease-out, color 0.15s ease-out;
}

::selection {
  background: var(--color-atlas-accent-muted);
  color: var(--color-atlas-accent);
}

:focus-visible {
  outline: 2px solid var(--color-atlas-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--atlas-scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--atlas-scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--atlas-scrollbar-thumb-hover); }

/* ── Skip link ────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 8px 16px;
  background: var(--color-atlas-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* ════════════════════════════════════════════════════════════
   Navigation
   ════════════════════════════════════════════════════════════ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-atlas-border-subtle);
  transition: background-color 0.15s ease-out, border-color 0.15s ease-out;
}

.glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
[data-theme="dark"] .glass {
  background: rgba(22, 24, 30, 0.7);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-atlas-text);
}

.logo-wrap {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.logo-wrap-sm { width: 28px; height: 28px; }

.logo-img {
  width: 100%;
  height: 100%;
  border-radius: 6px;
}

.nav-wordmark {
  font-size: 16px;
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ════════════════════════════════════════════════════════════
   Buttons
   ════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease-out;
  white-space: nowrap;
}

.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 10px; }
.btn-lg { padding: 12px 20px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--color-atlas-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-atlas-accent-hover);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.99); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-atlas-border);
  color: var(--color-atlas-text-muted);
}
.btn-outline:hover {
  border-color: var(--color-atlas-accent);
  color: var(--color-atlas-accent);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--color-atlas-text-dim);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.btn-icon:hover {
  color: var(--color-atlas-text);
  background: var(--color-atlas-surface-hover);
}
.btn-icon svg { width: 16px; height: 16px; }

.btn-icon-r { width: 16px; height: 16px; }

/* ════════════════════════════════════════════════════════════
   Atlas Card (from globals.css)
   ════════════════════════════════════════════════════════════ */

.atlas-card {
  background: var(--color-atlas-surface);
  border: 1px solid var(--color-atlas-border-subtle);
  border-radius: 12px;
  box-shadow: var(--atlas-shadow-card);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.atlas-card:hover {
  box-shadow: var(--atlas-shadow-md);
  border-color: var(--color-atlas-border);
}

/* ════════════════════════════════════════════════════════════
   Typography
   ════════════════════════════════════════════════════════════ */

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-atlas-accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: var(--color-atlas-accent-muted);
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-atlas-accent);
  margin-bottom: 24px;
}
.badge-icon { width: 12px; height: 12px; }

.text-gradient-accent {
  background: linear-gradient(135deg, var(--color-atlas-accent), var(--color-atlas-accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ════════════════════════════════════════════════════════════
   Layout
   ════════════════════════════════════════════════════════════ */

.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px 112px;
}

.section {
  margin-bottom: 96px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--color-atlas-text);
  margin-top: 12px;
}

.section-intro { margin-bottom: 32px; }

.section-intro-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.section-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-atlas-text-muted);
  max-width: 640px;
}

.accent-icon {
  width: 16px;
  height: 16px;
  color: var(--color-atlas-accent);
}

/* ════════════════════════════════════════════════════════════
   Hero
   ════════════════════════════════════════════════════════════ */

.hero {
  margin-bottom: 112px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--color-atlas-text);
  margin-bottom: 20px;
}

.hero-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-atlas-text-muted);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Identity tile */
.identity-tile {
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--color-atlas-accent-muted), transparent, rgba(0,0,0,0.02));
  border: 1px solid var(--color-atlas-border-subtle);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
[data-theme="dark"] .identity-tile {
  background: linear-gradient(135deg, var(--color-atlas-accent-muted), transparent, rgba(255,255,255,0.01));
}

.identity-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.identity-logo {
  width: 176px;
  height: 176px;
  border-radius: 16px;
}

.identity-feel {
  margin-top: 32px;
  text-align: center;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feel-line {
  font-size: 14px;
  color: var(--color-atlas-text-muted);
}

.feel-dots {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.feel-dot {
  height: 4px;
  border-radius: 999px;
  transition: all 0.5s ease;
  background: var(--color-atlas-border);
}
.feel-dot.active {
  width: 24px;
  background: var(--color-atlas-accent);
}
.feel-dot:not(.active) {
  width: 4px;
}

/* ════════════════════════════════════════════════════════════
   Demo Steps
   ════════════════════════════════════════════════════════════ */

.demo-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.demo-step {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.5s ease;
}
.demo-step .demo-num {
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  opacity: 0.6;
}

.demo-step--active {
  background: var(--color-atlas-accent);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
[data-theme="dark"] .demo-step--active {
  color: var(--color-atlas-bg);
}
.demo-step--done {
  background: var(--color-atlas-surface-hover);
  color: var(--color-atlas-text-muted);
}
.demo-step--pending {
  background: var(--color-atlas-bg);
  color: var(--color-atlas-text-dim);
  border: 1px solid var(--color-atlas-border-subtle);
}

/* ════════════════════════════════════════════════════════════
   Narrative Grid
   ════════════════════════════════════════════════════════════ */

.narrative-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.narrative-card {
  padding: 24px;
}

.narrative-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.narrative-card-head svg { width: 16px; height: 16px; color: var(--color-atlas-accent); }
.narrative-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-atlas-accent);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-atlas-text);
  margin-bottom: 8px;
}

.card-body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-atlas-text-muted);
}

/* ════════════════════════════════════════════════════════════
   Labs Grid
   ════════════════════════════════════════════════════════════ */

.labs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.lab-card {
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: border-color 0.15s ease;
}
.lab-card:hover { border-color: rgba(var(--color-atlas-accent), 0.3); }

.lab-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-atlas-border-subtle);
  background: var(--color-atlas-bg);
  flex-shrink: 0;
}
.lab-icon-wrap svg { width: 16px; height: 16px; color: var(--color-atlas-text); }

.lab-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-atlas-text);
}
.lab-line {
  font-size: 12px;
  line-height: 1.45;
  color: var(--color-atlas-text-muted);
  margin-top: 2px;
}

/* ════════════════════════════════════════════════════════════
   Tools Grid
   ════════════════════════════════════════════════════════════ */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.tool-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s ease;
}
.tool-card:hover { border-color: rgba(var(--color-atlas-accent), 0.3); }
.tool-card svg { width: 16px; height: 16px; color: var(--color-atlas-text-muted); }

.tool-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-atlas-text);
}
.tool-line {
  font-size: 12px;
  line-height: 1.45;
  color: var(--color-atlas-text-muted);
}

/* ════════════════════════════════════════════════════════════
   ElevenLabs Card
   ════════════════════════════════════════════════════════════ */

.elevenlabs-card {
  padding: 32px;
  text-align: center;
}
.elevenlabs-icon {
  margin: 0 auto 12px;
  width: 20px;
  height: 20px;
}

/* ════════════════════════════════════════════════════════════
   Pricing
   ════════════════════════════════════════════════════════════ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}

.pricing-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}

.pricing-card-accent {
  border-color: var(--color-atlas-accent);
  box-shadow: 0 0 0 1px var(--color-atlas-accent), var(--atlas-shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-atlas-accent);
  color: #fff;
}
[data-theme="dark"] .pricing-badge { color: var(--color-atlas-bg); }

.pricing-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-atlas-text-muted);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-atlas-text);
  line-height: 1;
}

.pricing-period {
  font-size: 13px;
  color: var(--color-atlas-text-dim);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}
.pricing-features li {
  font-size: 13px;
  color: var(--color-atlas-text-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-atlas-border-subtle);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before {
  content: "—";
  margin-right: 8px;
  color: var(--color-atlas-text-dim);
  font-size: 11px;
}

/* ════════════════════════════════════════════════════════════
   Waitlist
   ════════════════════════════════════════════════════════════ */

.waitlist-section {
  margin-bottom: 0;
}

.waitlist-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 40px;
  text-align: center;
}

.waitlist-icon {
  width: 28px;
  height: 28px;
  color: var(--color-atlas-accent);
  margin-bottom: 16px;
}

.waitlist-title {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-atlas-text);
  margin-bottom: 12px;
}

.waitlist-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-atlas-text-muted);
  margin-bottom: 28px;
}

.waitlist-form { width: 100%; }

.waitlist-input-row {
  display: flex;
  gap: 8px;
}

.waitlist-input {
  flex: 1;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  background: var(--color-atlas-bg);
  border: 1px solid var(--color-atlas-border);
  border-radius: 12px;
  color: var(--color-atlas-text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.waitlist-input::placeholder { color: var(--color-atlas-text-dim); }
.waitlist-input:focus {
  border-color: var(--color-atlas-accent);
  box-shadow: 0 0 0 3px var(--color-atlas-accent-muted);
}
.waitlist-input.error {
  border-color: var(--color-atlas-danger);
  box-shadow: 0 0 0 3px rgba(240, 68, 56, 0.1);
}

.waitlist-submit {
  padding: 12px 24px;
  min-width: 100px;
}

.waitlist-submit-loading {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 16px;
}

.waitlist-hint {
  font-size: 12px;
  margin-top: 8px;
  min-height: 18px;
  transition: color 0.15s;
}
.waitlist-hint.error { color: var(--color-atlas-danger); }
.waitlist-hint.info { color: var(--color-atlas-text-muted); }
.waitlist-hint.success { color: var(--color-atlas-success); }

/* Confirmed state */
.waitlist-confirmed {
  animation: scale-in 0.4s cubic-bezier(0.21, 1.02, 0.73, 1) both;
}

.confirmed-check {
  margin-bottom: 16px;
}
.confirmed-icon {
  width: 48px;
  height: 48px;
  color: var(--color-atlas-success);
}

.confirmed-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-atlas-text);
  margin-bottom: 8px;
}
.confirmed-body {
  font-size: 14px;
  color: var(--color-atlas-text-muted);
}

/* ════════════════════════════════════════════════════════════
   Waveform loading bars
   ════════════════════════════════════════════════════════════ */

.waveform-bar {
  display: inline-block;
  width: 3px;
  border-radius: 2px;
  background: currentColor;
  animation: waveform-pulse 0.8s ease-in-out infinite;
}
.waveform-bar:nth-child(1) { animation-delay: 0ms; height: 12px; }
.waveform-bar:nth-child(2) { animation-delay: 100ms; height: 18px; }
.waveform-bar:nth-child(3) { animation-delay: 200ms; height: 14px; }

/* ════════════════════════════════════════════════════════════
   Footer
   ════════════════════════════════════════════════════════════ */

.footer {
  border-top: 1px solid var(--color-atlas-border-subtle);
  transition: border-color 0.15s ease-out;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-text {
  font-size: 12px;
  color: var(--color-atlas-text-muted);
}

.footer-link {
  color: var(--color-atlas-accent);
  text-decoration: none;
  font-size: 12px;
  transition: color 0.15s;
}
.footer-link:hover { text-decoration: underline; }

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

/* ════════════════════════════════════════════════════════════
   Keyframe Animations
   ════════════════════════════════════════════════════════════ */

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

@keyframes waveform-pulse {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

.animate-fade-in { animation: fade-in 0.3s ease-out both; }
.animate-slide-up { animation: slide-up 0.4s ease-out both; }
.animate-breathe { animation: breathe 3s ease-in-out infinite; }

/* Staggered children */
[data-stagger] > * { animation: slide-up 0.3s ease-out both; }
[data-stagger] > *:nth-child(1) { animation-delay: 0ms; }
[data-stagger] > *:nth-child(2) { animation-delay: 40ms; }
[data-stagger] > *:nth-child(3) { animation-delay: 80ms; }
[data-stagger] > *:nth-child(4) { animation-delay: 120ms; }
[data-stagger] > *:nth-child(5) { animation-delay: 160ms; }
[data-stagger] > *:nth-child(6) { animation-delay: 200ms; }
[data-stagger] > *:nth-child(n+7) { animation-delay: 240ms; }

/* Scroll-reveal */
[data-reveal] {
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
[data-reveal]:not(.revealed) {
  opacity: 0;
  transform: translateY(24px);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════════════════════
   Reduced Motion
   ════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-breathe, .waveform-bar {
    animation: none !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ════════════════════════════════════════════════════════════
   Responsive
   ════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main { padding: 48px 20px 80px; }
  .hero { margin-bottom: 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { text-align: center; }
  .hero-body { margin-left: auto; margin-right: auto; }
  .hero-cta-row { justify-content: center; }
  .identity-tile { max-width: 320px; padding: 28px; }
  .identity-logo { width: 120px; height: 120px; }
  .narrative-grid { grid-template-columns: 1fr; }
  .labs-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .section { margin-bottom: 64px; }
  .waitlist-card { padding: 32px 24px; }
  .waitlist-input-row { flex-direction: column; }
  .waitlist-submit { width: 100%; }
}

@media (max-width: 480px) {
  .nav-inner { padding: 10px 16px; }
  .nav-wordmark { display: none; }
  .main { padding: 32px 16px 64px; }
  .labs-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .demo-steps { gap: 4px; }
  .demo-step { font-size: 11px; padding: 6px 8px; }
}