@import "tailwindcss";

@theme {
  /* Couleurs - Sovereign Precision (cf. stitch maquettes / DESIGN.md)
     - Primary       #000000 : autorité, structure
     - Secondary     #775a19 : or rare (eyebrows, hovers, micro accents)
     - Background    #f7f9ff : off-white légèrement bleuté, gallery-like
     - On-surface    #141c25 : texte principal
     Tokens identiques au design system Material 3 du fichier DESIGN.md. */

  --color-primary: #000000;
  --color-on-primary: #ffffff;
  --color-primary-container: #181c22;
  --color-on-primary-container: #80848c;
  --color-primary-fixed: #dfe2eb;
  --color-primary-fixed-dim: #c3c6cf;
  --color-on-primary-fixed: #181c22;
  --color-on-primary-fixed-variant: #43474e;
  --color-inverse-primary: #c3c6cf;

  --color-secondary: #775a19;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #fed488;
  --color-on-secondary-container: #785a1a;
  --color-secondary-fixed: #ffdea5;
  --color-secondary-fixed-dim: #e9c176;
  --color-on-secondary-fixed: #261900;
  --color-on-secondary-fixed-variant: #5d4201;

  --color-tertiary: #000000;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #181c21;
  --color-on-tertiary-container: #80848a;
  --color-tertiary-fixed: #e0e2e9;
  --color-tertiary-fixed-dim: #c3c6cd;
  --color-on-tertiary-fixed: #181c21;
  --color-on-tertiary-fixed-variant: #43474d;

  --color-background: #f7f9ff;
  --color-on-background: #141c25;
  --color-surface: #f7f9ff;
  --color-on-surface: #141c25;
  --color-surface-variant: #dae3ef;
  --color-on-surface-variant: #45474b;
  --color-surface-bright: #f7f9ff;
  --color-surface-dim: #d2dbe6;
  --color-surface-tint: #5b5e66;

  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #ecf4ff;
  --color-surface-container: #e6effa;
  --color-surface-container-high: #e0e9f5;
  --color-surface-container-highest: #dae3ef;

  --color-inverse-surface: #29313a;
  --color-inverse-on-surface: #e9f2fd;

  --color-outline: #76777b;
  --color-outline-variant: #c6c6cb;

  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #93000a;

  /* Typographie */
  --font-serif: var(--font-noto-serif), "Noto Serif", Georgia, serif;
  --font-sans: var(--font-inter), Inter, system-ui, -apple-system, sans-serif;

  /* Spacing custom */
  --spacing-gutter: 32px;
  --spacing-section-gap: 160px;
  --spacing-margin-page: 80px;
  --spacing-container-max: 1280px;

  /* Border radius (angles francs) */
  --radius-DEFAULT: 0.125rem;
  --radius-lg: 0.25rem;
  --radius-xl: 0.5rem;
  --radius-full: 0.75rem;
}

@layer base {
  html {
    scroll-behavior: smooth;
    /* Empêche tout débordement horizontal au niveau racine.
       Si un enfant déborde, on coupe au lieu de scroller. */
    overflow-x: clip;
  }

  body {
    background-color: var(--color-background);
    color: var(--color-on-surface);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
    max-width: 100vw;
  }

  /* Sélection */
  ::selection {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
  }

  /* Focus visible accessibilité */
  :focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
  }
}

@layer components {
  /* Eyebrow / label-caps */
  .eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    line-height: 1;
    letter-spacing: 0.1em;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-secondary);
  }

  /* Display headlines (serif) */
  .display-lg {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 5vw + 1rem, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 600;
  }

  .headline-xl {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3vw + 1rem, 3rem);
    line-height: 1.2;
    font-weight: 500;
  }

  .headline-md {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 1.5vw + 1rem, 2rem);
    line-height: 1.3;
    font-weight: 500;
  }

  .body-lg {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    line-height: 1.75;
    font-weight: 400;
  }

  .body-md {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 400;
  }

  /* Boutons signature */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 2rem;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
  }

  .btn-primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
  }
  .btn-primary:hover {
    background-color: var(--color-secondary);
  }

  .btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-outline);
    color: var(--color-on-surface);
  }
  .btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
  }

  .btn-light {
    background-color: var(--color-on-primary);
    color: var(--color-primary);
  }
  .btn-light:hover {
    background-color: var(--color-secondary);
    color: var(--color-on-secondary);
  }

  /* Container max */
  .container-page {
    width: 100%;
    max-width: 1920px;
    margin-inline: auto;
    padding-inline: 2rem;
  }

  @media (min-width: 768px) {
    .container-page {
      padding-inline: 5rem;
    }
  }
}

/* Material Symbols custom weight */
.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 300, "GRAD" 0, "opsz" 24;
}

/* ─── Motion ────────────────────────────────────────────────────────────────
   Une seule "wow moment" par page : stagger orchestré sur le hero au load.
   Ensuite révélations discrètes au scroll. CSS only, pas de framer-motion.
   prefers-reduced-motion désactive tout proprement.                          */

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero : stagger automatique sur chaque enfant direct */
.reveal-hero > * {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal-up 0.9s cubic-bezier(0.2, 0.65, 0.25, 1) forwards;
}
.reveal-hero > *:nth-child(1) { animation-delay: 0ms; }
.reveal-hero > *:nth-child(2) { animation-delay: 100ms; }
.reveal-hero > *:nth-child(3) { animation-delay: 200ms; }
.reveal-hero > *:nth-child(4) { animation-delay: 320ms; }
.reveal-hero > *:nth-child(5) { animation-delay: 440ms; }
.reveal-hero > *:nth-child(n+6) { animation-delay: 560ms; }

/* Sections : révélées par RevealInit (IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 800ms cubic-bezier(0.2, 0.65, 0.25, 1),
    transform 800ms cubic-bezier(0.2, 0.65, 0.25, 1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-hero > *,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
}

/* Toast (DialogProvider) : slide depuis la droite */
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.animate-toast-in {
  animation: toast-in 280ms cubic-bezier(0.2, 0.65, 0.25, 1);
}
@media (prefers-reduced-motion: reduce) {
  .animate-toast-in {
    animation: none !important;
  }
}