/* ============================================
   Sigmund Psych - Marketing Website
   Calm & Clinical Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
  --brand: #012fa9;
  --brand-dark: #001d6e;
  --brand-light: #e8eefb;
  --brand-lighter: #f4f7fd;
  --accent: #0ea5e9;
  --accent-light: #e0f2fe;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;

  --bg-white: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;

  --border: #e2e8f0;
  --border-light: #f1f5f9;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--bg-white);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--brand);
  color: var(--brand);
}
.btn-outline:hover {
  background: var(--brand);
  color: var(--text-inverse);
}

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--brand);
  background: var(--brand-light);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

/* --- Sections --- */
.section {
  padding: 80px 0;
}

.bg-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 1.1rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand);
  background: var(--brand-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-footer-note {
  text-align: center;
  color: var(--text-secondary);
  margin-top: 32px;
  font-size: 0.95rem;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--brand);
}

.logo-icon {
  height: 22px;
  width: 24px;
  display: inline-block;
  vertical-align: text-bottom;
  margin-right: 1px;
  position: relative;
  top: -1px;
  background-color: var(--brand);
  -webkit-mask-image: url('images/logo-icon-only.png');
  mask-image: url('images/logo-icon-only.png');
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

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

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--brand);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

/* --- Hero --- */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: #f7f7f7;
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.hero-tagline {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 32px;
}

.hero-cta {
  margin-bottom: 20px;
}

.hero-legal {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.hero-legal a {
  color: var(--brand);
  text-decoration: underline;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 140px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--brand-lighter) 0%, var(--bg-white) 100%);
}

.page-hero h1 {
  margin-bottom: 12px;
}

.page-hero-sub {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 8px;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.page-hero--compact {
  padding: 140px 0 40px;
}

/* --- Guidelines Grid --- */
.guidelines-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.guideline-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.guideline-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.guideline-card h3 {
  font-size: 1.4rem;
  color: var(--brand);
  margin-bottom: 6px;
}

.guideline-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Split Content --- */
.split-content {
  max-width: 720px;
  margin: 0 auto;
}

.split-content--center {
  text-align: center;
  max-width: 680px;
}

.split-text h2 {
  margin-bottom: 20px;
}

.split-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.text-emphasis {
  font-weight: 600;
  color: var(--brand) !important;
  font-size: 1.1rem !important;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- App Showcase --- */
.app-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  justify-items: center;
}

.app-screen {
  text-align: center;
}

.phone-frame {
  background: #f8f9fa;
  border-radius: 28px;
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
  overflow: hidden;
  max-width: 240px;
  margin: 0 auto;
  border: 2px solid #e2e5e9;
}

.phone-frame img {
  width: 100%;
  border-radius: 20px;
  display: block;
}

.app-screen-label {
  margin-top: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* --- Feature Cards --- */
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.feature-card--large {
  grid-column: span 3;
}

.feature-card--coming-soon {
  border-style: dashed;
  opacity: 0.8;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--brand-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--brand);
}

.feature-card h3 {
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 32px;
}

.feature-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.feature-note {
  margin-top: 10px;
  font-size: 0.85rem !important;
  color: var(--text-tertiary) !important;
  font-style: italic;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  vertical-align: middle;
  margin-left: 6px;
}

/* --- Feature Detail (features page) --- */
.feature-detail {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  max-width: 720px;
  margin: 0 auto;
}

.feature-detail-icon {
  width: 60px;
  height: 60px;
  background: var(--brand-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-detail-icon svg {
  width: 28px;
  height: 28px;
  color: var(--brand);
}

.feature-detail-content h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.feature-detail-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.feature-list-detail {
  list-style: none;
}

.feature-list-detail li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding: 8px 0 8px 24px;
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

.feature-list-detail li:last-child {
  border-bottom: none;
}

.feature-list-detail li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

/* --- Highlight Block --- */
.highlight-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.highlight-block h2 {
  margin-bottom: 24px;
  color: var(--brand);
}

.highlight-block p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* --- Audience Grid --- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.audience-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
  transition: border-color 0.2s;
}

.audience-item:hover {
  border-color: var(--brand);
}

/* --- Check List --- */
.check-list {
  list-style: none;
  text-align: left;
  display: inline-block;
}

.check-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: 1rem;
  color: var(--text-secondary);
}

.check-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}

.institutional-cta {
  margin-top: 24px;
  font-weight: 600;
  color: var(--text-primary) !important;
}

.institutional-cta a {
  color: var(--brand);
  text-decoration: underline;
}

/* --- Disclaimer --- */
.disclaimer-block {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
}

.disclaimer-block h3 {
  margin-bottom: 16px;
  color: var(--text-primary);
}

.disclaimer-block p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}

.disclaimer-block p:last-child {
  margin-bottom: 0;
}

/* --- Pricing --- */
.pricing-toggle-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.pricing-toggle {
  display: inline-flex;
  position: relative;
  background: var(--border-light);
  border-radius: var(--radius-full);
  padding: 4px;
}

.pricing-toggle-btn {
  position: relative;
  z-index: 1;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color 0.3s;
  white-space: nowrap;
}

.pricing-toggle-btn.active {
  color: var(--text-inverse);
}

.pricing-toggle-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 50%;
  height: calc(100% - 8px);
  background: var(--brand);
  border-radius: var(--radius-full);
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
  animation: pricingFadeIn 0.35s ease;
}

.pricing-grid--hidden {
  display: none;
}

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

.pricing-card {
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.pricing-card--featured {
  border-color: var(--brand);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: var(--text-inverse);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 18px;
  border-radius: var(--radius-full);
}

.pricing-header {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}

.pricing-header h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.period {
  font-size: 0.92rem;
  color: var(--text-tertiary);
}

.pricing-savings {
  font-size: 0.88rem;
  color: var(--brand);
  font-weight: 600;
  margin-top: 8px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}

.pricing-footer {
  text-align: center;
}

.pricing-note {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 12px;
  line-height: 1.5;
}

.pricing-legal {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: 10px;
}

.pricing-legal a {
  color: var(--brand);
  text-decoration: underline;
}

/* --- Institutional Block --- */
.institutional-block {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.institutional-block h2 {
  margin-bottom: 16px;
}

.institutional-block > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.institutional-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.institutional-item {
  background: var(--brand-light);
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
}

.institutional-perks {
  color: var(--text-secondary) !important;
  font-weight: 500;
  margin-bottom: 24px !important;
}

/* --- About Block --- */
.about-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-block h2 {
  margin-bottom: 20px;
}

.about-block p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* --- Founders --- */
.founders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 600px;
  margin: 0 auto;
}

.founder-card {
  text-align: center;
}

.founder-photo {
  width: 100%;
  max-width: 280px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.founder-photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.founder-info h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.founder-title {
  font-size: 0.88rem;
  color: var(--brand);
  font-weight: 600;
}

/* --- Founder Bio --- */
.founder-bio {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
  max-width: 900px;
  margin: 0 auto 60px;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.founder-bio:last-of-type {
  margin-bottom: 0;
}

.founder-bio--reverse {
  grid-template-columns: 1fr 300px;
}

.founder-bio--reverse .founder-bio-photo {
  order: 2;
}

.founder-bio--reverse .founder-bio-content {
  order: 1;
}

.founder-bio-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.founder-bio-photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.founder-bio-content h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.founder-credentials {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 2px;
}

.founder-role {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px !important;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.founder-bio-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.founder-bio-content p:last-child {
  margin-bottom: 0;
}

/* --- Focus Grid --- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
  text-align: left;
}

.focus-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.focus-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--brand);
}

.focus-icon svg {
  width: 100%;
  height: 100%;
}

.focus-item span {
  font-weight: 500;
  font-size: 0.95rem;
}

/* --- Legal Content --- */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin: 40px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.legal-content h2:first-of-type {
  border-top: none;
}

.legal-content h3 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
}

.legal-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

.legal-content ul {
  list-style: none;
  margin: 8px 0 16px;
}

.legal-content ul li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 4px 0 4px 20px;
  position: relative;
}

.legal-content ul li::before {
  content: '\2022';
  position: absolute;
  left: 4px;
  color: var(--brand);
  font-weight: bold;
}

.legal-content a {
  color: var(--brand);
  text-decoration: underline;
}

/* --- Footer --- */
.footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: 48px 0 32px;
}

.footer-content {
  text-align: center;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-brand .nav-logo {
  justify-content: center;
  color: var(--text-inverse);
  margin-bottom: 8px;
}

.footer-brand .logo-icon {
  background-color: white;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  opacity: 0.7;
}

/* ============================================
   Responsive
   ============================================ */

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

  .feature-card--large {
    grid-column: span 2;
  }

  .guidelines-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .app-showcase {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.active,
  .nav-actions.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    gap: 12px;
  }

  .nav-actions.active {
    top: auto;
    border-top: 1px solid var(--border);
  }

  .hero {
    padding: 120px 0 60px;
  }

  .page-hero {
    padding: 110px 0 40px;
  }

  .section {
    padding: 56px 0;
  }

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

  .feature-card--large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .founders-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .founder-bio,
  .founder-bio--reverse {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }

  .founder-bio--reverse .founder-bio-photo {
    order: 0;
  }

  .founder-bio--reverse .founder-bio-content {
    order: 0;
  }

  .founder-bio-photo {
    max-width: 260px;
    margin: 0 auto;
  }

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

  .feature-detail {
    flex-direction: column;
  }

  .split-content--center {
    text-align: left;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }

  .disclaimer-block {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .guidelines-grid {
    grid-template-columns: 1fr;
  }

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

  .phone-frame {
    max-width: 160px;
    border-radius: 20px;
    padding: 5px;
  }

  .phone-frame img {
    border-radius: 16px;
  }

  h1 {
    font-size: 2rem;
  }
}