/* ============================================
   CoderOps Design Tokens & Component Styles
   Dark-first, teal/cyan accents, technical
   ============================================ */

/* --- Type Scale --- */
:root {
  --text-xs: clamp(0.6875rem, 0.65rem + 0.2vw, 0.75rem);
  --text-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.85rem + 0.2vw, 0.9375rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  --text-2xl: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  --text-3xl: clamp(2rem, 0.8rem + 3.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 0.5rem + 5.5vw, 5.5rem);

  /* --- Spacing (4px base) --- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* --- Fonts --- */
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Dark palette (default) --- */
:root,
[data-theme='dark'] {
  --color-bg: #0a0e14;
  --color-surface: #0f1419;
  --color-surface-2: #141a22;
  --color-surface-offset: #1a2230;
  --color-surface-offset-2: #1e2736;
  --color-divider: #1e2a3a;
  --color-border: #253245;

  --color-text: #d4dae3;
  --color-text-muted: #7d8a9a;
  --color-text-faint: #4a5568;
  --color-text-inverse: #0a0e14;

  --color-primary: #2dd4bf;
  --color-primary-hover: #14b8a6;
  --color-primary-active: #0d9488;
  --color-primary-highlight: rgba(45, 212, 191, 0.12);

  --color-secondary: #22d3ee;
  --color-secondary-hover: #06b6d4;

  --color-error: #f87171;
  --color-warning: #fbbf24;
  --color-success: #4ade80;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* --- Light palette --- */
[data-theme='light'] {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-surface-2: #f9fafb;
  --color-surface-offset: #eef0f4;
  --color-surface-offset-2: #e5e8ed;
  --color-divider: #d1d5db;
  --color-border: #c4c9d2;

  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #f4f5f7;

  --color-primary: #0d9488;
  --color-primary-hover: #0f766e;
  --color-primary-active: #115e59;
  --color-primary-highlight: rgba(13, 148, 136, 0.1);

  --color-secondary: #0891b2;
  --color-secondary-hover: #0e7490;

  --color-error: #dc2626;
  --color-warning: #d97706;
  --color-success: #16a34a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-surface-2: #f9fafb;
    --color-surface-offset: #eef0f4;
    --color-surface-offset-2: #e5e8ed;
    --color-divider: #d1d5db;
    --color-border: #c4c9d2;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-text-faint: #9ca3af;
    --color-text-inverse: #f4f5f7;
    --color-primary: #0d9488;
    --color-primary-hover: #0f766e;
    --color-primary-active: #115e59;
    --color-primary-highlight: rgba(13, 148, 136, 0.1);
    --color-secondary: #0891b2;
    --color-secondary-hover: #0e7490;
    --color-error: #dc2626;
    --color-warning: #d97706;
    --color-success: #16a34a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  }
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--content-default);
}

/* ============================================
   Header / Navigation
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.3);
  transition:
    transform 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}

.header__nav a:hover {
  color: var(--color-text);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-primary-highlight);
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  #header-cta {
    display: none !important;
  }
  .header__nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6);
    gap: var(--space-4);
  }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  border-radius: var(--radius-lg);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    oklch(from var(--color-bg) l c h / 0.6) 0%,
    var(--color-bg) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.hero__title span {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 620px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================
   Sections (general)
   ============================================ */

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================
   Problem Section
   ============================================ */

.problems {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.problem-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-border) l c h / 0.4);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive);
}

.problem-card:hover {
  border-color: oklch(from var(--color-error) l c h / 0.5);
}

.problem-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-error);
  margin-bottom: var(--space-4);
}

.problem-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.problem-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   Solution Section
   ============================================ */

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .solution-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.solution__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.solution__text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.solution__text p strong {
  color: var(--color-text);
  font-weight: 600;
}

.solution__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
}

.solution__image img {
  width: 100%;
  height: auto;
}

/* ============================================
   Architecture Section
   ============================================ */

.arch-planes {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 900px;
  margin-inline: auto;
}

.arch-plane {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.arch-plane:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.5);
  box-shadow: 0 0 24px oklch(from var(--color-primary) l c h / 0.08);
}

.arch-plane__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.arch-plane__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.arch-plane__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.arch-plane__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}

/* ============================================
   Features Section
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.feature-row--wide .feature-card:first-child {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr;
  }
  .feature-row--wide .feature-card:first-child {
    grid-column: span 1;
  }
}

.feature-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-interactive),
    transform var(--transition-interactive);
}

.feature-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.4);
}

.feature-card__icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.feature-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   Comparison Section
   ============================================ */

.comparison-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
}

.comparison-table {
  min-width: 700px;
  font-size: var(--text-sm);
}

.comparison-table thead {
  background: var(--color-surface-offset);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.2);
}

.comparison-table th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.comparison-table th:first-child {
  width: 30%;
}

.comparison-table td {
  color: var(--color-text-muted);
}

.comparison-table td:last-child {
  color: var(--color-primary);
  font-weight: 600;
}

.comparison-table tbody tr {
  transition: background var(--transition-interactive);
}

.comparison-table tbody tr:hover {
  background: var(--color-primary-highlight);
}

.check-icon {
  display: inline-flex;
  color: var(--color-success);
}

.partial-icon {
  display: inline-flex;
  color: var(--color-warning);
}

.x-icon {
  display: inline-flex;
  color: var(--color-text-faint);
}

/* ============================================
   Language Selector
   ============================================ */

.lang-selector {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  color: var(--color-text-faint);
  border-radius: calc(var(--radius-sm) - 1px);
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive);
  cursor: pointer;
  letter-spacing: 0.04em;
}

.lang-btn:hover {
  color: var(--color-text-muted);
}

.lang-btn.active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

/* ============================================
   Governance Section
   ============================================ */

.governance-section {
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.governance-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 140%;
  height: 160%;
  background: radial-gradient(
    ellipse at center,
    oklch(from var(--color-primary) l c h / 0.05) 0%,
    transparent 55%
  );
  pointer-events: none;
}

.gov-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 900px;
  margin-inline: auto;
  position: relative;
}

@media (max-width: 640px) {
  .gov-grid {
    grid-template-columns: 1fr;
  }
}

.gov-card {
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.gov-card:hover {
  border-color: oklch(from var(--color-primary) l c h / 0.5);
  box-shadow: 0 0 32px oklch(from var(--color-primary) l c h / 0.08);
}

.gov-card--highlight {
  border-color: oklch(from var(--color-primary) l c h / 0.2);
}

.gov-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.gov-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.gov-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   Contact Form Section
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.contact-info .section__title {
  margin-bottom: var(--space-4);
}

.contact-info .section__desc {
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.contact-link:hover {
  color: var(--color-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-bg);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
  border-radius: var(--radius-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-body);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid oklch(from var(--color-border) l c h / 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-submit {
  align-self: flex-start;
  margin-top: var(--space-2);
}

.form-success {
  font-size: var(--text-sm);
  color: var(--color-success);
  font-weight: 500;
  margin-top: var(--space-2);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.3);
  padding-block: var(--space-12);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__links a:hover {
  color: var(--color-primary);
}

/* ============================================
   Scroll Animations
   ============================================ */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}

/* JS-based fallback for browsers without scroll-driven animations */
.js-reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.js-reveal.visible {
  opacity: 1;
}

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

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--text-2xl);
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }
}