/* ==========================================================================
   IA Déclic — Feuille de style principale
   Palette : bleu ardoise / blanc chaud / vert pétrole
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

:root,
[data-theme='light'] {
  /* Fonts */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Manrope', 'Inter', -apple-system, sans-serif;

  /* Fluid type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2rem);
  --text-2xl: clamp(1.875rem, 1.3rem + 2vw, 2.75rem);
  --text-hero: clamp(2.25rem, 1.4rem + 3.5vw, 3.75rem);

  /* 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;

  /* Palette IA Déclic — Light */
  --color-bg: #fbf9f5;             /* blanc chaud */
  --color-surface: #ffffff;
  --color-surface-2: #f5f2ec;
  --color-surface-offset: #eeece5;
  --color-divider: #e2ded4;
  --color-border: #cec9bb;

  --color-text: #1a2233;           /* bleu nuit profond */
  --color-text-muted: #556074;
  --color-text-faint: #8a92a2;
  --color-text-inverse: #fbf9f5;

  /* Bleu ardoise — structure */
  --color-slate: #2b3648;
  --color-slate-2: #1f2939;
  --color-slate-soft: #eef1f6;

  /* Vert pétrole — accent */
  --color-primary: #1f6e6b;
  --color-primary-hover: #185754;
  --color-primary-active: #113e3c;
  --color-primary-soft: #dceeed;

  /* States */
  --color-success: #3e7a3b;
  --color-error: #a63042;
  --color-warning: #a25b1a;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 34, 51, 0.06);
  --shadow-md: 0 6px 20px rgba(26, 34, 51, 0.08);
  --shadow-lg: 0 18px 42px rgba(26, 34, 51, 0.12);

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1200px;
}

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

html {
  -webkit-text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text);
  text-wrap: balance;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--text-2xl); font-weight: 700; }
h3 { font-size: var(--text-xl); font-weight: 600; }
h4 { font-size: var(--text-lg); font-weight: 600; }

p { text-wrap: pretty; max-width: 68ch; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-hover); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

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

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide { max-width: var(--content-wide); }
.container--narrow { max-width: var(--content-narrow); }

section { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); }

.section-header { margin-bottom: var(--space-10); max-width: 60ch; }
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { color: var(--color-text-muted); font-size: var(--text-lg); }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 245, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--color-text); }
.brand-logo {
  width: 32px; height: 32px;
  flex-shrink: 0;
}

.primary-nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
.primary-nav a {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) 0;
  position: relative;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.primary-nav a:hover, .primary-nav a.is-active { color: var(--color-primary); }
.primary-nav a.is-active::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 2px;
  background: var(--color-surface);
}
.lang-switcher button {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
}
.lang-switcher button:hover { color: var(--color-text); }
.lang-switcher button.is-active {
  background: var(--color-slate);
  color: var(--color-text-inverse);
}

/* Mobile menu button */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
}
.menu-toggle:hover { background: var(--color-surface-2); }
.menu-toggle svg { width: 22px; height: 22px; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-nav.is-open { display: block; }
.mobile-nav .container { padding-block: var(--space-4); }
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-2);
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius-md);
}
.mobile-nav a:hover, .mobile-nav a.is-active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.mobile-nav .btn { margin-top: var(--space-3); width: 100%; justify-content: center; }

@media (min-width: 960px) {
  .primary-nav { display: inline-flex; }
  .menu-toggle { display: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 22px;
  min-height: 48px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

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

.btn--secondary {
  background: var(--color-slate);
  color: var(--color-text-inverse);
}
.btn--secondary:hover { background: var(--color-slate-2); color: var(--color-text-inverse); }

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

.btn--sm { min-height: 40px; padding: 10px 16px; font-size: var(--text-xs); }
.btn--lg { min-height: 56px; padding: 18px 28px; font-size: var(--text-base); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}
.btn-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-block: clamp(var(--space-12), 10vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.hero-title { margin-bottom: var(--space-5); }
.hero-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

/* Abstract hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin-inline: auto;
  width: 100%;
}
.hero-visual svg { width: 100%; height: 100%; }

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 1fr;
    gap: var(--space-16);
  }
}

/* Page hero (interior pages) */
.page-hero {
  padding-block: clamp(var(--space-10), 8vw, var(--space-16));
  background: linear-gradient(180deg, var(--color-slate-soft) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-divider);
}
.page-hero h1 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
.page-hero p { font-size: var(--text-lg); color: var(--color-text-muted); }

/* ==========================================================================
   Cards / Grids
   ========================================================================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); }

.card-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.card-icon svg { width: 22px; height: 22px; }

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Feature list (icons + text) */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.feature-list li {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.feature-list li:last-child { border-bottom: 0; }
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 22px; height: 22px;
  margin-top: 3px;
  background: var(--color-primary-soft);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231f6e6b'%3E%3Cpath fill-rule='evenodd' d='M16.7 5.3a1 1 0 0 1 0 1.4l-8 8a1 1 0 0 1-1.4 0l-4-4a1 1 0 1 1 1.4-1.4L8 12.6l7.3-7.3a1 1 0 0 1 1.4 0Z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px;
}

/* Simple use-case tile */
.tile {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.tile-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.tile p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Highlight box */
.callout {
  background: var(--color-slate-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  color: var(--color-text);
  margin-block: var(--space-6);
}
.callout p { max-width: none; }
.callout--warning {
  background: #fdf2e6;
  border-left-color: var(--color-warning);
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.price-banner {
  background: var(--color-slate);
  color: var(--color-text-inverse);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.price-banner strong { color: #fff; }
.price-banner small { color: rgba(255,255,255,0.7); font-size: var(--text-sm); }

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
}
.price-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.price-card h3 { margin-bottom: var(--space-3); }
.price-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-block: var(--space-4);
}
.price-amount small {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Group pricing grid */
.group-pricing { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.group-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  align-items: center;
}
.group-row .count {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-slate);
  min-width: 90px;
}
.group-row .per { color: var(--color-text-muted); font-size: var(--text-sm); }
.group-row .total {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-lg);
}

/* ==========================================================================
   About page
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}
.about-photo {
  aspect-ratio: 3 / 4;
  background: var(--color-surface-2);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.about-text p { margin-bottom: var(--space-4); }
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.6fr 1fr; gap: var(--space-16); }
  .about-grid .about-photo { order: 2; position: sticky; top: 100px; }
  .about-grid .about-text { order: 1; }
}

/* ==========================================================================
   Form
   ========================================================================== */
.form {
  display: grid;
  gap: var(--space-5);
  max-width: 640px;
}
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.field label .req { color: var(--color-error); margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--color-error); }
.field .error-msg {
  display: none;
  color: var(--color-error);
  font-size: var(--text-xs);
  font-weight: 500;
}
.field .error-msg::before { content: '⚠ '; }
.field.has-error .error-msg { display: block; }
.field .hint { color: var(--color-text-muted); font-size: var(--text-xs); }

.checkbox {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
}
.checkbox input {
  width: 20px; height: 20px; min-height: auto;
  margin-top: 2px; flex-shrink: 0;
  accent-color: var(--color-primary);
}
.checkbox label {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.5;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-status {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
}
.form-status.is-visible { display: block; }
.form-status--success {
  background: #e7f2e6;
  color: var(--color-success);
  border: 1px solid #c4dfc1;
}
.form-status--error {
  background: #fbe7ea;
  color: var(--color-error);
  border: 1px solid #f0c3ca;
}
.form-status--loading {
  background: var(--color-slate-soft);
  color: var(--color-slate);
  border: 1px solid var(--color-divider);
}

.contact-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
}
.contact-info { display: flex; flex-direction: column; gap: var(--space-5); }
.contact-info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-info-item .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-info-item strong {
  display: block;
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: 2px;
}
.contact-info-item span, .contact-info-item a { color: var(--color-text-muted); font-size: var(--text-sm); }
.contact-info-item a:hover { color: var(--color-primary); }

@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.5fr; gap: var(--space-16); }
}

/* ==========================================================================
   CTA final
   ========================================================================== */
.cta-final {
  background: linear-gradient(135deg, var(--color-slate) 0%, var(--color-slate-2) 100%);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  text-align: center;
  margin-block: var(--space-16);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(31, 110, 107, 0.25), transparent 60%);
  pointer-events: none;
}
.cta-final > * { position: relative; }
.cta-final h2 { color: #fff; margin-bottom: var(--space-4); }
.cta-final p {
  color: rgba(255,255,255,0.8);
  margin-inline: auto;
  max-width: 55ch;
  margin-bottom: var(--space-8);
}
.cta-final .btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.cta-final .btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.cta-final .btn--outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.06); }
.cta-final .btn-row { justify-content: center; }
.cta-final .btn-note { color: rgba(255,255,255,0.7); }

/* ==========================================================================
   Accordion (program schedule)
   ========================================================================== */
.accordion { display: flex; flex-direction: column; gap: var(--space-3); }
.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.accordion-trigger:hover { background: var(--color-surface-2); }
.accordion-trigger .chevron {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-primary);
}
.accordion-item.is-open .chevron { transform: rotate(180deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.accordion-content > div {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
}
.accordion-item.is-open .accordion-content { max-height: 600px; }

/* ==========================================================================
   Prose (legal pages)
   ========================================================================== */
.prose {
  max-width: var(--content-narrow);
  margin-inline: auto;
}
.prose h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xl);
}
.prose h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.prose h3 { margin-top: var(--space-6); margin-bottom: var(--space-3); font-size: var(--text-lg); }
.prose p, .prose ul, .prose ol { margin-bottom: var(--space-4); }
.prose ul, .prose ol { padding-left: var(--space-6); }
.prose li { margin-bottom: var(--space-2); }
.prose strong { color: var(--color-text); }
.legal-warning {
  background: #fdf2e6;
  border: 1px solid #f0d3ab;
  border-left: 3px solid var(--color-warning);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-10);
  color: var(--color-text);
}
.legal-warning strong { color: var(--color-warning); }
.placeholder-xxx {
  display: inline-block;
  padding: 2px 8px;
  background: #fdf2e6;
  color: var(--color-warning);
  border: 1px dashed var(--color-warning);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-slate);
  color: rgba(255,255,255,0.75);
  padding-block: var(--space-12) var(--space-8);
  margin-top: var(--space-16);
}
.footer-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
}
.footer-col h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: var(--space-4);
  font-weight: 600;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-sm);
}
.footer-col a:hover { color: #fff; }
.site-footer .brand { color: #fff; }
.site-footer .brand-logo path,
.site-footer .brand-logo circle { stroke: #fff !important; }
.footer-tagline {
  color: rgba(255,255,255,0.65);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
  max-width: 32ch;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}

/* ==========================================================================
   Utility
   ========================================================================== */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.badge {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}