/* ============================================================
   landing.css — Chepe Landing Page
   All values consume CTB design tokens from chepe-theme.css.
   No raw hex values.
   ============================================================ */

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

:root { scroll-behavior: smooth; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  background-color: var(--ctb-color-background);
  color: var(--ctb-color-text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.9rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.3rem); }

p   { max-width: 65ch; }
em  { font-style: italic; }

a                  { color: var(--ctb-color-primary); text-decoration: none; }
a:hover            { text-decoration: underline; }
a:focus-visible    { outline: 2px solid var(--ctb-focus-ring); outline-offset: 3px; border-radius: 4px; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--chepe-space-lg);
}

.section     { padding: var(--chepe-space-3xl) 0; }
.section-alt { background-color: var(--ctb-color-surface); }

.section-header {
  text-align: center;
  margin-bottom: var(--chepe-space-2xl);
}
.section-header h2  { margin-bottom: var(--chepe-space-sm); }
.section-header p   {
  color: var(--ctb-color-text-secondary);
  font-size: 1.05rem;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  background-color: var(--ctb-color-primary-container);
  color: var(--ctb-color-on-primary-container);
  padding: var(--chepe-space-xs) var(--chepe-space-md);
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: var(--chepe-space-sm);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--chepe-space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--md-sys-shape-corner-medium);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease,
              background-color 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:focus-visible { outline: 2px solid var(--ctb-focus-ring); outline-offset: 3px; }
.btn:hover         { text-decoration: none; }

/* Primary CTA — Selective Yellow (punchy, works on both bg colours) */
.btn-cta {
  background-color: var(--ctb-selective-yellow);
  color: var(--ctb-eerie-black);
  box-shadow: var(--chepe-elevation-2);
  font-size: 1rem;
  padding: 0.875rem 1.875rem;
  font-weight: 700;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--chepe-elevation-3);
  filter: brightness(1.06);
}

/* Primary — Jungle Green */
.btn-primary {
  background-color: var(--ctb-color-primary);
  color: var(--ctb-color-on-primary);
}
.btn-primary:hover { transform: translateY(-1px); opacity: 0.9; }

/* Outline */
.btn-outline {
  background-color: transparent;
  color: var(--ctb-color-text);
  border: 1.5px solid var(--ctb-color-outline);
}
.btn-outline:hover { background-color: var(--ctb-color-surface-variant); }

/* ── Logo visibility per theme ────────────────────────────── */
/* Dark mode = Baby Powder bg → logo_light.svg fits              */
/* Light mode = Eerie Black bg → logo_dark.svg fits              */
.logo-for-dark  { display: block; }
.logo-for-light { display: none;  }

[data-theme="light"] .logo-for-dark  { display: none;  }
[data-theme="light"] .logo-for-light { display: block; }

/* ── Launch announcement banner ───────────────────────────── */
.launch-banner {
  background: linear-gradient(90deg, var(--ctb-jungle-green), var(--ctb-selective-yellow));
  color: var(--ctb-eerie-black);
  text-align: center;
  padding: 10px var(--chepe-space-lg);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ── Navigation ───────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--ctb-color-surface);
  border-bottom: 1px solid var(--ctb-color-outline-variant);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: var(--chepe-elevation-2); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--chepe-space-lg);
  height: 64px;
  display: flex;
  align-items: center;
  gap: var(--chepe-space-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--chepe-space-sm);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo img   { height: 38px; width: auto; }

.logo-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ctb-color-text);
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--chepe-space-lg);
  margin-left: auto;
}
.nav-links a {
  color: var(--ctb-color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--ctb-color-primary); text-decoration: none; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--chepe-space-sm);
  margin-left: var(--chepe-space-md);
}

.btn-theme-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--ctb-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--ctb-color-text-secondary);
  transition: background-color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-theme-toggle:hover {
  background-color: var(--ctb-color-surface-variant);
  border-color: var(--ctb-color-outline);
}
.btn-theme-toggle:focus-visible {
  outline: 2px solid var(--ctb-focus-ring);
  outline-offset: 2px;
}

.toggle-label {
  font-size: 0.8rem;
  font-weight: 500;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--chepe-space-xs);
  color: var(--ctb-color-text);
  margin-left: auto;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 64px - 40px); /* minus nav + banner */
  display: flex;
  align-items: center;
  padding: var(--chepe-space-3xl) 0;
  background-color: var(--ctb-color-background);
  position: relative;
  overflow: hidden;
}

/* Subtle ambient gradient blobs */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 15%,
      var(--ctb-color-primary-container) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 15% 80%,
      var(--ctb-color-secondary-container) 0%, transparent 65%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--chepe-space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { max-width: 600px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--chepe-space-xs);
  background-color: var(--ctb-color-secondary-container);
  color: var(--ctb-color-on-secondary-container);
  padding: var(--chepe-space-xs) var(--chepe-space-md);
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: var(--chepe-space-md);
  border: 1px solid var(--ctb-selective-yellow);
}

.hero h1              { color: var(--ctb-color-text); margin-bottom: var(--chepe-space-md); }
.hero h1 .highlight   { color: var(--ctb-color-primary); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--ctb-color-text-secondary);
  margin-bottom: var(--chepe-space-xl);
  line-height: 1.7;
  max-width: 54ch;
}

.hero-cta {
  display: flex;
  gap: var(--chepe-space-md);
  flex-wrap: wrap;
  margin-bottom: var(--chepe-space-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--chepe-space-xl);
  flex-wrap: wrap;
  padding-top: var(--chepe-space-md);
  border-top: 1px solid var(--ctb-color-outline-variant);
}

.hero-stat { display: flex; flex-direction: column; gap: 2px; }

.hero-stat-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ctb-color-primary);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.75rem;
  color: var(--ctb-color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  width: min(320px, 85%);
  height: auto;
  border-radius: var(--md-sys-shape-corner-extra-large);
  box-shadow: var(--chepe-elevation-3),
              0 0 80px rgba(0, 166, 130, 0.18);
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

/* ── Problem section ──────────────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--chepe-space-lg);
}

.problem-card {
  padding: var(--chepe-space-xl);
  background-color: var(--ctb-color-surface-variant);
  border-radius: var(--md-sys-shape-corner-large);
  border: 1px solid var(--ctb-color-outline-variant);
  border-top: 3px solid var(--ctb-color-error);
}

.problem-icon { font-size: 1.9rem; margin-bottom: var(--chepe-space-md); }
.problem-card h3 { margin-bottom: var(--chepe-space-xs); }
.problem-card p  { color: var(--ctb-color-text-secondary); font-size: 0.93rem; }

/* ── Features grid ────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(252px, 1fr));
  gap: var(--chepe-space-md);
}

.feature-card {
  padding: var(--chepe-space-xl);
  background-color: var(--ctb-color-surface);
  border-radius: var(--md-sys-shape-corner-large);
  border: 1px solid var(--ctb-color-outline-variant);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--chepe-elevation-3);
  border-color: var(--ctb-color-primary);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: var(--ctb-color-primary-container);
  border-radius: var(--md-sys-shape-corner-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  margin-bottom: var(--chepe-space-md);
  flex-shrink: 0;
}

.feature-card h3 { font-size: 1rem; margin-bottom: var(--chepe-space-xs); }
.feature-card p  { font-size: 0.88rem; color: var(--ctb-color-text-secondary); line-height: 1.55; }

/* ── Voice Entry teaser ───────────────────────────────────── */
.voice-wrapper {
  display: flex;
  justify-content: center;
}

.voice-section {
  background: linear-gradient(135deg,
    var(--ctb-color-surface-container),
    var(--ctb-color-primary-container));
  border: 1.5px solid var(--ctb-color-primary);
  border-radius: var(--md-sys-shape-corner-extra-large);
  max-width: 860px;
  width: 100%;
  padding: var(--chepe-space-3xl) var(--chepe-space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.voice-section::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -40%;
  width: 180%;
  height: 200%;
  background: radial-gradient(
    circle,
    var(--ctb-color-secondary-container) 0%,
    transparent 60%
  );
  animation: voice-pulse 5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes voice-pulse {
  0%, 100% { opacity: 0.25; transform: scale(0.88); }
  50%       { opacity: 0.55; transform: scale(1.08); }
}

.voice-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--chepe-space-xs);
  background-color: var(--ctb-selective-yellow);
  color: var(--ctb-eerie-black);
  padding: var(--chepe-space-xs) var(--chepe-space-md);
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--chepe-space-md);
  position: relative;
  z-index: 1;
}

.voice-icon {
  font-size: 3.5rem;
  margin-bottom: var(--chepe-space-md);
  position: relative;
  z-index: 1;
  display: block;
}

.voice-section h2 {
  position: relative;
  z-index: 1;
  margin-bottom: var(--chepe-space-md);
}

.voice-quote {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ctb-color-text-secondary);
  border-left: none;
  margin: 0 auto var(--chepe-space-md);
  position: relative;
  z-index: 1;
  max-width: 58ch;
}
.voice-quote::before { content: "\201C"; }
.voice-quote::after  { content: "\201D"; }

.voice-desc {
  color: var(--ctb-color-text-secondary);
  font-size: 0.97rem;
  margin: 0 auto var(--chepe-space-xl);
  position: relative;
  z-index: 1;
  max-width: 55ch;
}

.voice-section .btn-cta { position: relative; z-index: 1; }

/* ── How It Works ─────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--chepe-space-xl);
  position: relative;
}

/* Connector line between steps (desktop only) */
.steps-grid::before {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(50% / 3);
  right: calc(50% / 3);
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--ctb-color-primary),
    var(--ctb-selective-yellow)
  );
  pointer-events: none;
  z-index: 0;
}

.step {
  text-align: center;
  padding: var(--chepe-space-xl) var(--chepe-space-lg);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  background-color: var(--ctb-color-primary);
  color: var(--ctb-color-on-primary);
  border-radius: var(--md-sys-shape-corner-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 auto var(--chepe-space-md);
  box-shadow: 0 0 0 6px var(--ctb-color-primary-container);
}

.step h3 { margin-bottom: var(--chepe-space-sm); }
.step p  { font-size: 0.92rem; color: var(--ctb-color-text-secondary); margin: 0 auto; }

/* ── Pricing ──────────────────────────────────────────────── */
.pricing-wrapper {
  display: flex;
  justify-content: center;
}

.pricing-card {
  background-color: var(--ctb-color-surface);
  border: 2px solid var(--ctb-color-primary);
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: var(--chepe-space-2xl) var(--chepe-space-3xl);
  max-width: 580px;
  width: 100%;
  box-shadow: var(--chepe-elevation-3);
  position: relative;
  overflow: hidden;
}

/* Gradient bar top */
.pricing-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ctb-jungle-green), var(--ctb-selective-yellow));
}

.pricing-badge {
  display: inline-block;
  background: linear-gradient(90deg, var(--ctb-jungle-green), var(--ctb-selective-yellow));
  color: var(--ctb-eerie-black);
  padding: var(--chepe-space-xs) var(--chepe-space-md);
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: var(--chepe-space-md);
}

.pricing-plan-name {
  font-size: 1.35rem;
  margin-bottom: var(--chepe-space-md);
  color: var(--ctb-color-text);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--chepe-space-xs);
  margin-bottom: var(--chepe-space-xs);
  flex-wrap: wrap;
}
.price-currency { font-size: 1.5rem; font-weight: 700; color: var(--ctb-color-text-secondary); }
.price-amount   { font-size: 3.6rem; font-weight: 800; color: var(--ctb-color-primary); line-height: 1; }
.price-unit     { font-size: 1rem;   color: var(--ctb-color-text-secondary); align-self: flex-end; padding-bottom: 6px; }

.price-note {
  font-size: 0.85rem;
  color: var(--ctb-color-text-secondary);
  margin-bottom: var(--chepe-space-lg);
}

.pricing-example {
  background-color: var(--ctb-color-surface-container);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: var(--chepe-space-md);
  font-size: 0.88rem;
  color: var(--ctb-color-text-secondary);
  margin-bottom: var(--chepe-space-lg);
  border-left: 3px solid var(--ctb-color-primary);
}
.pricing-example strong { color: var(--ctb-color-text); }

.pricing-divider {
  height: 1px;
  background-color: var(--ctb-color-outline-variant);
  margin: var(--chepe-space-lg) 0;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--chepe-space-xl);
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--chepe-space-sm);
  font-size: 0.93rem;
}
.check       { color: var(--ctb-color-success); font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.check-voice { color: var(--ctb-selective-yellow); }

.pricing-cta {
  width: 100%;
  font-size: 1.05rem;
  padding: 1rem;
  border-radius: var(--md-sys-shape-corner-large);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--chepe-space-sm);
}

.faq-item {
  background-color: var(--ctb-color-surface);
  border: 1px solid var(--ctb-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-large);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: var(--ctb-color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--chepe-space-md);
  padding: var(--chepe-space-lg) var(--chepe-space-xl);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--ctb-color-text);
  text-align: left;
  transition: background-color 0.2s;
}
.faq-question:hover { background-color: var(--ctb-color-surface-variant); }
.faq-question:focus-visible { outline: 2px solid var(--ctb-focus-ring); outline-offset: -2px; }

.faq-question[aria-expanded="true"] {
  color: var(--ctb-color-primary);
  background-color: var(--ctb-color-primary-container);
}

.faq-icon {
  font-size: 1.3rem;
  font-weight: 300;
  flex-shrink: 0;
  color: var(--ctb-color-primary);
  transition: transform 0.25s ease;
  line-height: 1;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  padding: 0 var(--chepe-space-xl) var(--chepe-space-lg);
  color: var(--ctb-color-text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
}
.faq-answer p     { max-width: none; }
.faq-answer strong { color: var(--ctb-color-text); }

/* ── Final CTA section ────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg,
    var(--ctb-jungle-green),
    var(--ctb-tropical-rain-forest));
  padding: var(--chepe-space-3xl) 0;
  text-align: center;
}
.cta-section h2 { color: var(--ctb-baby-powder); margin-bottom: var(--chepe-space-md); }
.cta-section p  {
  color: rgba(255,255,253,0.82);
  font-size: 1.05rem;
  margin: 0 auto var(--chepe-space-xl);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background-color: var(--ctb-color-surface);
  border-top: 1px solid var(--ctb-color-outline-variant);
  padding: var(--chepe-space-2xl) 0 var(--chepe-space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--chepe-space-2xl);
  margin-bottom: var(--chepe-space-2xl);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--chepe-space-sm);
  text-decoration: none;
  margin-bottom: var(--chepe-space-sm);
}
.footer-logo:hover { text-decoration: none; }
.footer-logo img   { height: 34px; width: auto; }

.footer-logo-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ctb-color-text);
  letter-spacing: -0.03em;
}

.footer-brand p {
  color: var(--ctb-color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 30ch;
}

.footer-links h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ctb-color-text-secondary);
  margin-bottom: var(--chepe-space-md);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--chepe-space-sm);
}
.footer-links ul a {
  color: var(--ctb-color-text-secondary);
  font-size: 0.88rem;
  transition: color 0.2s;
  text-decoration: none;
}
.footer-links ul a:hover { color: var(--ctb-color-primary); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid var(--ctb-color-outline-variant);
  padding-top: var(--chepe-space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--chepe-space-md);
  font-size: 0.83rem;
  color: var(--ctb-color-text-secondary);
}

/* ── Scroll animations ────────────────────────────────────── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

.animate-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.animate-stagger.visible > *               { opacity: 1; transform: translateY(0); }
.animate-stagger.visible > *:nth-child(1)  { transition-delay: 0.04s; }
.animate-stagger.visible > *:nth-child(2)  { transition-delay: 0.09s; }
.animate-stagger.visible > *:nth-child(3)  { transition-delay: 0.14s; }
.animate-stagger.visible > *:nth-child(4)  { transition-delay: 0.19s; }
.animate-stagger.visible > *:nth-child(5)  { transition-delay: 0.24s; }
.animate-stagger.visible > *:nth-child(6)  { transition-delay: 0.29s; }
.animate-stagger.visible > *:nth-child(7)  { transition-delay: 0.34s; }
.animate-stagger.visible > *:nth-child(8)  { transition-delay: 0.39s; }
.animate-stagger.visible > *:nth-child(9)  { transition-delay: 0.44s; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .animate-stagger > * { transition: none; opacity: 1; transform: none; }
  .hero-logo           { animation: none; }
  .voice-section::before { animation: none; }
}

/* ── Responsive — tablet (≤ 900px) ───────────────────────── */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-content    { max-width: 100%; }
  .hero-visual     { display: none; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--ctb-color-surface);
    border-bottom: 1px solid var(--ctb-color-outline-variant);
    box-shadow: var(--chepe-elevation-2);
    flex-direction: column;
    padding: var(--chepe-space-md) var(--chepe-space-xl);
    gap: var(--chepe-space-sm);
  }
  .nav-links.open  { display: flex; }
  .nav-links a     { font-size: 1rem; padding: var(--chepe-space-sm) 0; }

  .nav-mobile-toggle { display: flex; }

  .steps-grid::before { display: none; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
}

/* ── Responsive — mobile (≤ 600px) ───────────────────────── */
@media (max-width: 600px) {
  .section   { padding: var(--chepe-space-2xl) 0; }

  .hero-cta               { flex-direction: column; }
  .hero-cta .btn          { width: 100%; }
  .hero-stats             { gap: var(--chepe-space-lg); }

  .voice-section          { padding: var(--chepe-space-xl) var(--chepe-space-lg); }

  .pricing-card           { padding: var(--chepe-space-xl) var(--chepe-space-lg); }
  .price-amount           { font-size: 2.8rem; }

  .footer-grid            { grid-template-columns: 1fr; }
  .footer-bottom          { flex-direction: column; text-align: center; }

  .toggle-label           { display: none; }
  .nav-cta                { display: none; }
}