/* ============================================================
   MAIN.CSS — Variables, Reset, Base, Utilitaires
   ============================================================ */

:root {
  --color-bg:          #080808;
  --color-bg-alt:      #0f0f0f;
  --color-surface:     #151515;
  --color-border:      rgba(255, 255, 255, 0.07);
  --color-text:        #ece9e3;
  --color-text-muted:  rgba(236, 233, 227, 0.42);
  --color-accent:      #c8a96a;
  --color-accent-dim:  rgba(200, 169, 106, 0.12);

  --glass-bg:          rgba(255, 255, 255, 0.035);
  --glass-border:      rgba(255, 255, 255, 0.08);
  --glass-blur:        24px;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --container-max: 1320px;
  --container-pad: clamp(1.25rem, 5vw, 4rem);

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;
  --space-2xl: 11rem;

  --radius-sm: 3px;
  --radius-md: 10px;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --dur-fast:  180ms;
  --dur-mid:   420ms;
  --dur-slow:  750ms;

  --nav-h: 72px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: clamp(0.88rem, 1.05vw, 1rem);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---- Glass ---- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* ---- Section header ---- */
.section-header { margin-bottom: var(--space-lg); }

.section-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  color: var(--color-accent);
}

/* ---- Bouton ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 2.1rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid) var(--ease-out),
              background var(--dur-mid) var(--ease-out);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn--outline {
  border: 1px solid rgba(255,255,255,0.22);
  color: var(--color-text);
}

/* Fond qui slide de gauche à droite au hover */
.btn--outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-out);
  z-index: -1;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.btn--outline:hover::before { transform: scaleX(1); }

.btn__arrow {
  width: 17px; height: 17px;
  transition: transform var(--dur-mid) var(--ease-out);
  flex-shrink: 0;
}

.btn:hover .btn__arrow { transform: translate(4px, -4px); }

/* ---- Grain canvas ---- */
.grain {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9990;
  opacity: 0.032;
  mix-blend-mode: overlay;
}

/* ---- Curseur custom ---- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
}

.cursor__dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  transition: transform 0.1s var(--ease-out), opacity 0.2s;
}

.cursor__ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(200,169,106,0.5);
  border-radius: 50%;
  transition: width 0.35s var(--ease-out),
              height 0.35s var(--ease-out),
              border-color 0.35s var(--ease-out),
              background 0.35s var(--ease-out);
}

/* États du curseur */
.cursor.is-hovering .cursor__ring {
  width: 54px; height: 54px;
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}

.cursor.is-hovering .cursor__dot { transform: translate(-50%,-50%) scale(0); }

.cursor.has-label .cursor__ring {
  width: 72px; height: 72px;
}

.cursor__label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
}

.cursor.has-label .cursor__label { opacity: 1; }

@media (pointer: coarse) { .cursor { display: none; } }