/* =============================================
   BASE.CSS — Variables, reset, typographie
   L'Atelier de Clotilde
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@300;400;500&display=swap');

:root {
  /* Palette Earthy Neutrals */
  --creme:      #F0E3D3;
  --beige:      #DDBEA9;
  --terre:      #C58C6E;
  --sauge:      #B8B7A3;
  --vert:       #6B705C;
  --blanc:      #FAF7F4;
  --texte:      #3a3530;
  --texte-doux: #6b6259;
  --texte-clair:#9a8f85;

  /* Raccourcis */
  --fond:       var(--blanc);
  --accent:     var(--terre);
  --accent2:    var(--vert);

  /* Typo */
  --font-titre: 'Cormorant Garamond', Georgia, serif;
  --font-corps: 'Jost', sans-serif;

  /* Espacements */
  --section-pad: 6rem 5rem;
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--fond);
  color: var(--texte);
  font-family: var(--font-corps);
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
}

/* TYPOGRAPHIE */
h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 400;
  line-height: 1.15;
  color: var(--texte);
}

h1 { font-size: clamp(4rem, 8vw, 7.5rem); }
h2 { font-size: clamp(2.8rem, 5vw, 4.5rem); }
h3 { font-size: clamp(1.7rem, 2.5vw, 2.2rem); }

em { font-style: italic; color: var(--terre); }

p {
  font-size: 1.05rem;
  color: var(--texte-doux);
  line-height: 1.9;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s;
}

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

/* LABEL DE SECTION */
.section-label {
  display: inline-block;
  font-family: var(--font-corps);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--terre);
  margin-bottom: 0.75rem;
}

/* DIVIDER */
.divider {
  width: 50px;
  height: 1px;
  background: var(--terre);
  opacity: 0.5;
  margin: 1.5rem 0;
}
.divider.center { margin: 1.5rem auto; }

/* BOUTONS */
.btn-plein {
  display: inline-block;
  font-family: var(--font-corps);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blanc);
  background: var(--vert);
  padding: 0.9rem 2.2rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}
.btn-plein:hover {
  background: var(--texte);
  transform: translateY(-2px);
}

.btn-contour {
  display: inline-block;
  font-family: var(--font-corps);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vert);
  background: transparent;
  padding: 0.9rem 2.2rem;
  border: 1px solid var(--vert);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s;
}
.btn-contour:hover {
  background: var(--vert);
  color: var(--blanc);
  transform: translateY(-2px);
}

.btn-terre {
  display: inline-block;
  font-family: var(--font-corps);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blanc);
  background: var(--terre);
  padding: 0.9rem 2.2rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}
.btn-terre:hover {
  background: var(--texte);
  transform: translateY(-2px);
}

/* ANIMATIONS REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* GRAIN TEXTURE */
.grain-overlay {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* FORMES DÉCORATIVES */
.deco-arc {
  border-radius: 50% 50% 0 0 / 60% 60% 0 0;
  overflow: hidden;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  :root { --section-pad: 4rem 1.5rem; }
}
@media (max-width: 600px) {
  :root { --section-pad: 3rem 1.2rem; }
}