/* ============================================
   Cartogo — Design Tokens
   Palette extraite et adaptée du design de référence (thème vert pétrole + or)
   ============================================ */

:root {
  /* Couleurs principales */
  --color-dark: #012a2c;
  --color-dark-2: #073b3a;
  --color-dark-3: #0a4644;
  --color-gold: #f2b33d;
  --color-gold-light: #ffd372;
  --color-gold-dark: #d99a1f;
  --color-teal: #5fa796;
  --color-green-check: #14a673;

  --color-bg: #fafafa;
  --color-bg-alt: #f2f6f5;
  --color-text: #0b1f1e;
  --color-text-muted: #5b6b6a;
  --color-text-on-dark: #d7e8e5;
  --color-text-on-dark-muted: #93aba8;
  --color-white: #ffffff;
  --color-border: #e4ece4;

  /* Ombres */
  --shadow-soft: 0 8px 24px rgba(1, 42, 44, 0.08);
  --shadow-medium: 0 16px 40px rgba(1, 42, 44, 0.12);
  --shadow-gold: 0 10px 30px rgba(242, 179, 61, 0.35);
  --shadow-card-hover: 0 20px 45px rgba(1, 42, 44, 0.16);

  /* Rayons */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Typo */
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.25s var(--ease);
  --transition-medium: 0.4s var(--ease);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-dark);
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-dark);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

/* ============== Boutons ============== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-dark);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(242, 179, 61, 0.45);
}

.btn-outline-dark {
  border: 1.5px solid var(--color-dark);
  color: var(--color-dark);
  background: transparent;
}

.btn-outline-dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
  transform: translateY(-3px);
}

.btn-light {
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-light:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ============== Cards génériques ============== */

.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* ============== Reveal au scroll ============== */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}