/* ==========================================================================
   YOAT Lab · Cabinet PEDETTI
   CSS commune pour le site commercial
   Charte : Fraunces (display) + Manrope (body) + JetBrains Mono (technique)
   Palette : ivoire, encre, terre, gold + accents vifs
   ========================================================================== */

:root {
  /* Palette principale */
  --ivoire: #FAF5EA;
  --ivoire-2: #F5EFE0;
  --ivoire-3: #EFE7D2;
  --encre: #1A1916;
  --encre-soft: #2E2B26;
  --encre-mute: #6F6A60;
  --terre: #A8472A;
  --terre-soft: #C26340;
  --gold: #B68B3D;
  --sage: #4D6053;

  /* Accents vifs (inspirés style infographies) */
  --vif-cyan: #00B5A8;
  --vif-cyan-soft: #E5F7F5;
  --vif-orange: #F26D3D;
  --vif-orange-soft: #FCE8DE;

  /* Système */
  --rule: rgba(26, 25, 22, 0.10);
  --rule-strong: rgba(26, 25, 22, 0.20);
  --shadow-card: 0 1px 3px rgba(26, 25, 22, 0.04), 0 12px 24px rgba(26, 25, 22, 0.06);
  --shadow-hover: 0 4px 12px rgba(26, 25, 22, 0.08), 0 24px 48px rgba(26, 25, 22, 0.10);

  /* Typo */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  /* Layout */
  --max-w: 1140px;
  --max-w-narrow: 760px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--ivoire);
  color: var(--encre);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }

/* =============== TYPOGRAPHIE =============== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--encre);
}

h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 400; letter-spacing: -0.03em; }
h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 0.3em; }
h3 { font-size: 22px; margin-bottom: 0.4em; }
h4 { font-size: 18px; margin-bottom: 0.4em; }

h1 em, h2 em, h3 em {
  font-style: italic;
  color: var(--terre);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

p { color: var(--encre-soft); margin-bottom: 1em; }

a { color: var(--terre); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--encre); }

strong { color: var(--encre); font-weight: 600; }

/* =============== HEADER =============== */

.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 16px 0;
  position: sticky;
  top: 0;
  background: rgba(250, 245, 234, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 50;
}
.site-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.wordmark { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; }
.wordmark em { font-style: italic; color: var(--terre); font-variation-settings: "opsz" 144, "SOFT" 100; }
.wordmark-sub { display: block; font-size: 10.5px; color: var(--encre-mute); text-transform: uppercase; letter-spacing: 0.16em; margin-top: 2px; font-weight: 500; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--encre-soft); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--terre); }
.nav-cta {
  background: var(--encre);
  color: var(--ivoire) !important;
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  letter-spacing: 0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { background: var(--terre); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(168, 71, 42, 0.25); }
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* =============== FOOTER =============== */

.site-footer {
  margin-top: 80px;
  padding: 48px 24px 32px;
  background: var(--encre);
  color: var(--ivoire);
}
.site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.site-footer h4 { color: var(--ivoire); font-size: 14px; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 16px; font-weight: 600; }
.site-footer a { color: rgba(250, 245, 234, 0.7); text-decoration: none; font-size: 14px; display: block; margin-bottom: 8px; }
.site-footer a:hover { color: var(--ivoire); }
.site-footer .footer-brand { font-family: var(--font-display); font-size: 22px; color: var(--ivoire); margin-bottom: 12px; }
.site-footer .footer-brand em { color: var(--terre-soft); font-style: italic; }
.site-footer .footer-credits {
  grid-column: 1 / -1;
  padding-top: 28px;
  margin-top: 28px;
  border-top: 1px solid rgba(250, 245, 234, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(250, 245, 234, 0.5);
}
@media (max-width: 720px) {
  .site-footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* =============== COMPOSANTS UTILES =============== */

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--terre);
  background: rgba(168, 71, 42, 0.08);
  padding: 6px 14px;
  border-radius: 100px;
  font-weight: 500;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
}
.btn-primary { background: var(--terre); color: var(--ivoire); }
.btn-primary:hover { background: var(--encre); color: var(--ivoire); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(168, 71, 42, 0.3); }
.btn-secondary { background: transparent; color: var(--encre); border: 1.5px solid var(--encre); }
.btn-secondary:hover { background: var(--encre); color: var(--ivoire); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--terre); border: none; padding: 8px 0; }
.btn-ghost:hover { color: var(--encre); }
.btn-large { padding: 18px 36px; font-size: 17px; }

section { padding: 80px 0; }
@media (max-width: 720px) {
  section { padding: 56px 0; }
}

.section-header { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 18px; color: var(--encre-mute); }

/* =============== CARTES =============== */

.card {
  background: white;
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 32px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }

/* =============== BADGES INFOGRAPHIE =============== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-cyan { background: var(--vif-cyan-soft); color: var(--vif-cyan); }
.badge-orange { background: var(--vif-orange-soft); color: var(--vif-orange); }
.badge-terre { background: rgba(168, 71, 42, 0.1); color: var(--terre); }
.badge-gold { background: rgba(182, 139, 61, 0.12); color: var(--gold); }