/* ═══════════════════════════════════════════════════════════════
   EFFISIUM — Site vitrine promo
   Theme moderne, animations, dark-by-default avec switch
   ═══════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════
   Theme tokens — aligne sur Material Design 3 (tonal surfaces)
   Default = light (comme l'app EFFISIUM) ; mode sombre via
   [data-theme="dark"].
   ═══════════════════════════════════════════════════════════════ */
:root {
  /* ─── Surfaces tonales MD3 (light) ─── */
  --bg: #fafaff;                        /* surface base */
  --bg-soft: #ffffff;                   /* surface-1 (cards) */
  --bg-elevated: #f5f5ff;               /* surface-2 */
  --bg-tonal: #eef0ff;                  /* surface-3 (hover) */

  /* ─── Texte ─── */
  --text: #1c1b1f;                      /* on-surface */
  --text-soft: #49454f;                 /* on-surface-variant */
  --text-dim: #79747e;                  /* outline */

  /* ─── Couleur primaire MD3 ─── */
  --primary: #6750a4;                   /* md3 primary */
  --primary-hover: #7c64c3;
  --primary-container: #eaddff;
  --on-primary: #ffffff;
  --on-primary-container: #21005d;

  /* ─── Accents secondaires ─── */
  --accent: #e91e63;                    /* secondary MD3-like */
  --accent2: #00acc1;                   /* tertiary */
  --success: #2e7d32;                   /* MD green 800 */
  --warning: #ef6c00;                   /* MD orange 800 */
  --danger: #c62828;                    /* MD red 800 */

  /* ─── Bordures / separators MD3 outline ─── */
  --border: rgba(28, 27, 31, 0.10);
  --border-strong: rgba(28, 27, 31, 0.22);

  /* ─── Elevations MD3 (shadows tonales) ─── */
  --shadow-1: 0 1px 2px rgba(28, 27, 31, 0.06), 0 1px 3px rgba(28, 27, 31, 0.10);
  --shadow-2: 0 1px 3px rgba(28, 27, 31, 0.08), 0 4px 8px rgba(28, 27, 31, 0.08);
  --shadow-3: 0 4px 8px rgba(28, 27, 31, 0.10), 0 8px 16px rgba(28, 27, 31, 0.08);
  --shadow-lg: 0 16px 48px rgba(28, 27, 31, 0.12);
  --shadow-glow: 0 0 40px rgba(103, 80, 164, 0.18);

  /* ─── Shape scale MD3 ─── */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* ─── Gradients (kept) ─── */
  --gradient-primary: linear-gradient(135deg, #6750a4 0%, #e91e63 50%, #00acc1 100%);
  --gradient-sante: linear-gradient(135deg, #2e7d32 0%, #00acc1 50%, #6750a4 100%);
  --gradient-entreprise: linear-gradient(135deg, #ef6c00 0%, #e91e63 50%, #6750a4 100%);

  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #10131c;                        /* MD3 dark surface */
  --bg-soft: #1b1f2a;                   /* surface-1 */
  --bg-elevated: #232735;               /* surface-2 */
  --bg-tonal: #2a2f3e;                  /* surface-3 */

  --text: #e7e1e9;                      /* on-surface dark */
  --text-soft: #cac4d0;                 /* on-surface-variant */
  --text-dim: #938f99;                  /* outline */

  --primary: #cfbcff;                   /* MD3 primary dark */
  --primary-hover: #e1d1ff;
  --primary-container: #4f378a;
  --on-primary: #381e72;
  --on-primary-container: #eaddff;

  --accent: #f48fb1;
  --accent2: #4dd0e1;
  --success: #a5d6a7;
  --warning: #ffb74d;
  --danger: #ef9a9a;

  --border: rgba(231, 225, 233, 0.10);
  --border-strong: rgba(231, 225, 233, 0.22);

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.40), 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 1px 3px rgba(0, 0, 0, 0.45), 0 4px 8px rgba(0, 0, 0, 0.35);
  --shadow-3: 0 4px 8px rgba(0, 0, 0, 0.50), 0 8px 16px rgba(0, 0, 0, 0.30);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 40px rgba(207, 188, 255, 0.22);

  --gradient-primary: linear-gradient(135deg, #cfbcff 0%, #f48fb1 50%, #4dd0e1 100%);
  --gradient-sante: linear-gradient(135deg, #a5d6a7 0%, #4dd0e1 50%, #cfbcff 100%);
  --gradient-entreprise: linear-gradient(135deg, #ffb74d 0%, #f48fb1 50%, #cfbcff 100%);

  color-scheme: dark;
}

/* ─── Material Symbols (meme police que l'app) ─── */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ═══ Background decor: animated gradient orbs ═══ */
body::before,
body::after {
  content: '';
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  z-index: -1;
  animation: float 25s ease-in-out infinite;
  pointer-events: none;
}
body::before {
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  top: -200px; left: -200px;
}
body::after {
  background: radial-gradient(circle, #ec4899 0%, transparent 70%);
  bottom: -200px; right: -200px;
  animation-delay: -12s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(100px, 80px) scale(1.08); }
  66%      { transform: translate(-80px, 60px) scale(0.95); }
}

/* Orbes plus discrets sur fond clair (default) */
body::before, body::after { opacity: 0.18; }
:root[data-theme="dark"] body::before,
:root[data-theme="dark"] body::after { opacity: 0.35; }

/* ═══ Navigation ═══ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
}
/* Fallback si l'image ne charge pas (placeholder span) */
span.logo-mark {
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  box-shadow: var(--shadow-glow);
}
.logo-suffix { color: var(--text-soft); font-weight: 500; margin-left: 2px; }

.nav-links {
  flex: 1;
  display: flex;
  gap: 8px;
  justify-content: center;
}
.nav-link {
  color: var(--text-soft);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 150ms;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-link:hover {
  color: var(--text);
  background: var(--bg-soft);
}
.nav-link.is-active {
  color: var(--text);
  background: var(--bg-soft);
}

.nav-actions { display: flex; align-items: center; gap: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 150ms;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  background-size: 200% 200%;
  color: #fff;
  border: none;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  background-position: 100% 100%;
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.5);
}
.btn-ghost {
  color: var(--text);
  border-color: var(--border-strong);
  background: transparent;
}
.btn-ghost:hover {
  background: var(--bg-soft);
  border-color: var(--text-dim);
}
.btn-lg { padding: 14px 26px; font-size: 1rem; border-radius: 12px; }
.btn-xl { padding: 18px 34px; font-size: 1.1rem; border-radius: 14px; }

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  border-radius: 8px;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 150ms;
}
.btn-icon:hover { background: var(--bg-soft); color: var(--text); border-color: var(--border-strong); }

/* Theme toggle — default light: on propose de basculer en dark (sun masque, moon visible) */
.theme-toggle { font-size: 18px; }
.theme-toggle-sun { display: none; }
.theme-toggle-moon { display: inline; }
:root[data-theme="dark"] .theme-toggle-sun { display: inline; }
:root[data-theme="dark"] .theme-toggle-moon { display: none; }

/* ═══ Container ═══ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══ Hero ═══ */
.hero {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 24px;
  animation: slide-up 600ms ease-out both;
}
.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2); }
  50%      { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0.08); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 20px;
  animation: slide-up 700ms 80ms ease-out both;
}
.hero h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease-in-out infinite;
  background-size: 200% 200%;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-soft);
  max-width: 720px;
  margin: 0 auto 32px;
  animation: slide-up 800ms 200ms ease-out both;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: slide-up 800ms 320ms ease-out both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  margin: 56px auto 0;
  max-width: 920px;
  animation: slide-up 1000ms 500ms ease-out both;
}
.hero-stat-value {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stat-label {
  font-size: 0.86rem;
  color: var(--text-soft);
  margin-top: 4px;
}

/* ═══ Sections ═══ */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-soft);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  line-height: 1.15;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-soft);
  margin: 0;
}

/* ═══ Tracks (Santé / Entreprise) ═══ */
.tracks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.track {
  position: relative;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: all 300ms;
  display: block;
}
.track::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 300ms;
  z-index: 0;
}
.track.is-sante::before       { background: var(--gradient-sante); }
.track.is-entreprise::before  { background: var(--gradient-entreprise); }
.track:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}
.track:hover::before { opacity: 0.08; }

.track > * { position: relative; z-index: 1; }

.track-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
}
.track-icon .material-symbols-outlined {
  font-size: 32px;
}
.track.is-sante .track-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}
.track.is-entreprise .track-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.track-title { font-size: 1.5rem; font-weight: 700; margin: 0 0 8px; }
.track-subtitle { color: var(--text-soft); margin: 0 0 20px; font-size: 0.95rem; }

.track-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.track-features li {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
}
.track-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.track-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.track-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 200ms;
}
.track:hover .track-cta { gap: 12px; }

/* ═══ Feature grid ═══ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 250ms;
}
.feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  background: var(--bg-elevated);
  color: var(--primary);
}
.feature-icon .material-symbols-outlined { font-size: 24px; }
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px;
}
.feature-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin: 0;
}

/* Category pills for feature icons */
.feature-icon.is-blue    { background: rgba(99, 102, 241, 0.15);  color: #818cf8; }
.feature-icon.is-pink    { background: rgba(236, 72, 153, 0.15);  color: #f472b6; }
.feature-icon.is-cyan    { background: rgba(6, 182, 212, 0.15);   color: #22d3ee; }
.feature-icon.is-green   { background: rgba(16, 185, 129, 0.15);  color: #34d399; }
.feature-icon.is-amber   { background: rgba(245, 158, 11, 0.15);  color: #fbbf24; }
.feature-icon.is-violet  { background: rgba(139, 92, 246, 0.15);  color: #a78bfa; }
.feature-icon.is-red     { background: rgba(239, 68, 68, 0.15);   color: #f87171; }

/* ═══ Showcase (screenshots gallery) ═══ */
.showcase {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: all 250ms;
}
.shot:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
}
.shot-label {
  padding: 12px 16px;
  font-size: 0.86rem;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
}

/* ═══ Timeline (parcours utilisateur) ═══ */
.timeline {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent), var(--accent2));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding-bottom: 36px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 20%, transparent);
}
.timeline-step {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.timeline h3 { margin: 0 0 8px; font-size: 1.2rem; font-weight: 700; }
.timeline p { margin: 0; color: var(--text-soft); }

/* ═══ CTA section ═══ */
.cta-band {
  text-align: center;
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--primary) 10%, var(--bg)),
    color-mix(in srgb, var(--accent) 10%, var(--bg)));
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin: 0 0 12px;
}
.cta-band p {
  color: var(--text-soft);
  margin: 0 0 32px;
  font-size: 1.05rem;
}

/* ═══ Demo / contact form ═══ */
.demo {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 640px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}
.demo-field { margin-bottom: 16px; }
.demo-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-soft);
}
.demo-field input,
.demo-field select,
.demo-field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 150ms, box-shadow 150ms;
}
.demo-field input:focus,
.demo-field select:focus,
.demo-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 25%, transparent);
}
.demo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.demo-submit-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.demo-note { font-size: 0.82rem; color: var(--text-dim); }

/* ═══ Footer ═══ */
footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-soft);
  margin: 0 0 14px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 150ms;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 10px;
}

/* ═══ Reveal animations on scroll ═══ */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms cubic-bezier(0.4, 0, 0.2, 1),
              transform 700ms cubic-bezier(0.4, 0, 0.2, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-delay="1"] { transition-delay: 100ms; }
[data-reveal][data-delay="2"] { transition-delay: 200ms; }
[data-reveal][data-delay="3"] { transition-delay: 300ms; }
[data-reveal][data-delay="4"] { transition-delay: 400ms; }

/* ═══ Ribbon badge (hero) ═══ */
.ribbon {
  display: inline-flex;
  gap: 6px;
  padding: 4px 10px;
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(236,72,153,0.2));
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #a5b4fc;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ═══ Logos row ═══ */
.logos-row {
  padding: 40px 0;
  opacity: 0.6;
}
.logos-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
  font-weight: 700;
  color: var(--text-soft);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════════════════════════
   Builder : bandeau annonces + section blocs dynamiques
   ═══════════════════════════════════════════════════════════════ */

.announcements-strip {
  position: sticky;
  top: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.announcement {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  transition: opacity 180ms, transform 180ms;
}
.announcement.is-closing {
  opacity: 0;
  transform: translateY(-100%);
}

.announcement.variant-info    { background: color-mix(in srgb, var(--primary) 10%, var(--bg-soft)); }
.announcement.variant-success { background: color-mix(in srgb, var(--success) 15%, var(--bg-soft)); }
.announcement.variant-warning { background: color-mix(in srgb, var(--warning) 15%, var(--bg-soft)); }
.announcement.variant-accent  { background: color-mix(in srgb, var(--accent) 12%, var(--bg-soft)); }
.announcement.variant-critical{
  background: color-mix(in srgb, var(--danger) 15%, var(--bg-soft));
  color: var(--danger);
  font-weight: 500;
}

.announcement-icon .material-symbols-outlined {
  font-size: 22px;
  vertical-align: middle;
}
.announcement.variant-info    .announcement-icon { color: var(--primary); }
.announcement.variant-success .announcement-icon { color: var(--success); }
.announcement.variant-warning .announcement-icon { color: var(--warning); }
.announcement.variant-accent  .announcement-icon { color: var(--accent); }
.announcement.variant-critical .announcement-icon { color: var(--danger); }

.announcement-body {
  flex: 1;
  min-width: 0;
}
.announcement-text {
  color: var(--text-soft);
  margin-left: 6px;
}

.announcement-cta {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background 150ms;
}
.announcement-cta:hover {
  background: color-mix(in srgb, var(--primary) 15%, transparent);
}

.announcement-close {
  width: 28px; height: 28px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 6px;
  transition: background 150ms, color 150ms;
}
.announcement-close:hover {
  background: var(--bg-tonal);
  color: var(--text);
}

/* ── Builder section (blocs dynamiques) ───────────────────── */
.builder-section {
  padding: 80px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.builder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.builder-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 200ms, box-shadow 200ms, border-color 200ms;
}
.builder-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--border-strong);
}

.builder-card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-container, var(--bg-elevated));
  color: var(--on-primary-container, var(--primary));
  margin-bottom: 4px;
}
.builder-card-icon .material-symbols-outlined { font-size: 24px; }

.builder-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}
.builder-card-subtitle {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.builder-card-body {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.55;
}

.builder-card-image {
  margin: -24px -24px 8px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}
.builder-card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.builder-card-image figcaption {
  padding: 6px 16px;
  font-size: 0.78rem;
  color: var(--text-soft);
  background: var(--bg-soft);
}

.builder-card-cta {
  margin-top: auto;
  align-self: flex-start;
}

/* Type image_block : image plus grande, sans padding */
.builder-image_block {
  padding: 0;
}
.builder-image_block .builder-card-image {
  margin: 0;
  border-radius: var(--radius);
}
.builder-image_block .builder-card-title,
.builder-image_block .builder-card-subtitle,
.builder-image_block .builder-card-body,
.builder-image_block .builder-card-cta {
  padding: 0 24px;
}
.builder-image_block .builder-card-cta { margin-bottom: 24px; }
.builder-image_block .builder-card-title:first-child { padding-top: 20px; }

/* Gallery : grille 2x2 ou 3x2 */
.builder-gallery .builder-card-image {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 4px;
}

/* CTA block */
.builder-cta_block {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--primary) 12%, var(--bg)),
    color-mix(in srgb, var(--accent) 10%, var(--bg)));
  border-color: var(--primary);          /* fallback Chrome/Safari anciens */
  text-align: center;
  align-items: center;
}
@supports (color: color-mix(in srgb, red, blue)) {
  .builder-cta_block {
    border-color: color-mix(in srgb, var(--primary) 25%, var(--border));
  }
}

/* ═══ Responsive ═══ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .demo-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 60px 0 40px; }
  section { padding: 60px 0; }
  .demo { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}