/* ─────────────────────────────────────────
   base.css — Reset, typographie, layout
───────────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  background: var(--white);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ── Titres ── */
h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--teal-deep);
  margin-bottom: 1.5rem;
}

h1 em {
  font-style: italic;
  color: var(--teal-mid);
}

h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  color: var(--teal-deep);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

h2 em { font-style: italic; color: var(--teal-mid); }

/* ── Layout sections ── */
section { padding: 7rem 4rem; }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal-soft);
  display: block;
  margin-bottom: 0.8rem;
}

/* ── Boutons communs ── */
.btn-primary {
  display: inline-block;
  background: var(--teal-deep);
  color: var(--white);
  padding: 0.9rem 2.2rem;
  border-radius: 40px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-right: 1rem;
}

.btn-primary:hover {
  background: var(--teal-mid);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(42, 144, 144, 0.25);
}

.btn-secondary {
  display: inline-block;
  color: var(--teal-mid);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  border-bottom: 1px solid var(--aqua);
  padding-bottom: 2px;
  transition: color 0.3s;
}

.btn-secondary:hover { color: var(--teal-deep); }

/* ── Animations communes ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes spinSlowReverse {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── Responsive base ── */
@media (max-width: 900px) {
  section { padding: 5rem 2rem; }
}