/* =========================================================
   Luijo — Colors & Type
   Single source of truth for design tokens.
   ========================================================= */

/* Habillage TÀP — direction B · Crème.
   Les polices sont celles de la marque, servies par l'app (@font-face dans tap-feuille.css : Norgen pour les titres,
   Raleway pour le texte). Anton et Archivo, qui venaient de Google Fonts, ne servaient plus à rien depuis que
   tap-feuille.css redéfinit ces trois jetons : le chargement depuis Google est retiré (la CSP n'autorise aucune police
   externe). */

:root {
  /* ---------- Brand palette ---------- */
  --luijo-burgundy:   #490F14; /* primary brand */
  --luijo-burgundy-2: #3A0B10; /* pressed / deepest */
  --luijo-burgundy-3: #5E1820; /* hover lift */
  --luijo-orange:     #EA5428; /* accent / CTA */
  --luijo-orange-2:   #CD4824; /* pressed */
  --luijo-orange-3:   #EF6A42; /* hover */
  --luijo-sand:       #E4D4BA; /* warm tertiary, surfaces */
  --luijo-sand-2:     #D2C2AA; /* sand pressed */
  --luijo-cream:      #F1E9DB; /* canvas background */
  --luijo-cream-2:    #FAF5EC; /* raised on cream */

  /* ---------- Neutral scale (warm-leaning) ---------- */
  --neutral-0:  #ffffff;
  --neutral-50: #fdf5ee;
  --neutral-100:#f5ecdf;
  --neutral-200:#e7dac6;
  --neutral-300:#cdbda4;
  --neutral-400:#a89880;
  --neutral-500:#7a6c58;
  --neutral-600:#544838;
  --neutral-700:#3a3025;
  --neutral-800:#241c15;
  --neutral-900:#150f0a;

  /* ---------- Semantic foreground ---------- */
  --fg-1: var(--neutral-800);   /* primary text on cream */
  --fg-2: var(--neutral-600);   /* secondary text */
  --fg-3: var(--neutral-500);   /* tertiary / captions */
  --fg-inverse: var(--luijo-cream);
  --fg-brand: var(--luijo-burgundy);
  --fg-accent: #CD4824;   /* orange lisible en petit texte sur fond clair (4,6:1) */
  --fg-on-burgundy: var(--luijo-cream);
  --fg-on-orange:   #000000; /* texte sur aplat orange (5,8:1) */

  /* ---------- Semantic background ---------- */
  --bg-canvas:   var(--luijo-cream);     /* page */
  --bg-surface:  var(--neutral-0);       /* cards on cream */
  --bg-raised:   var(--luijo-cream-2);   /* subtly raised on canvas */
  --bg-sunken:   var(--luijo-sand);      /* warm panel */
  --bg-brand:    var(--luijo-burgundy);
  --bg-accent:   var(--luijo-orange);
  --bg-inverse:  var(--neutral-900);

  /* ---------- Semantic feedback ---------- */
  --success:  #2f7d4f;
  --warning:  #c97a14;
  --danger:   #b3261e;
  --info:     #1f6f8b;

  /* ---------- Borders ---------- */
  --border-soft:   color-mix(in srgb, var(--luijo-burgundy) 10%, transparent);
  --border-medium: color-mix(in srgb, var(--luijo-burgundy) 18%, transparent);
  --border-strong: color-mix(in srgb, var(--luijo-burgundy) 35%, transparent);
  --border-brand:  var(--luijo-burgundy);

  /* ---------- Radii ---------- */
  --radius-xs: 4px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-pill: 999px;

  /* ---------- Spacing scale (4px base) ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* ---------- Shadows (warm, low-tinted) ---------- */
  --shadow-xs: 0 1px 0 0 color-mix(in srgb, var(--luijo-burgundy) 8%, transparent);
  --shadow-sm: 0 1px 2px 0 color-mix(in srgb, var(--luijo-burgundy) 10%, transparent),
               0 1px 1px -1px color-mix(in srgb, var(--luijo-burgundy) 8%, transparent);
  --shadow-md: 0 6px 14px -6px color-mix(in srgb, var(--luijo-burgundy) 18%, transparent),
               0 2px 4px -2px color-mix(in srgb, var(--luijo-burgundy) 10%, transparent);
  --shadow-lg: 0 18px 36px -12px color-mix(in srgb, var(--luijo-burgundy) 22%, transparent),
               0 6px 10px -6px color-mix(in srgb, var(--luijo-burgundy) 12%, transparent);
  --shadow-inset: inset 0 1px 0 0 color-mix(in srgb, #fff 50%, transparent);

  /* ---------- Type tokens ---------- */
  --font-display: "Raleway", ui-sans-serif, "Segoe UI", sans-serif;
  --font-titre:   "Norgen", Georgia, serif;
  --font-body:    "Raleway", ui-sans-serif, "Segoe UI", sans-serif;
  --font-mono:    ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;

  /* fluid sizes — clamp(min, vw-based, max) */
  --fs-display:  clamp(48px, 6.4vw, 88px);
  --fs-h1:       clamp(36px, 4.4vw, 56px);
  --fs-h2:       clamp(28px, 3.0vw, 40px);
  --fs-h3:       22px;
  --fs-h4:       18px;
  --fs-body:     16px;
  --fs-body-sm:  14px;
  --fs-caption:  12px;
  --fs-eyebrow:  12px;

  --lh-tight:   1.05;
  --lh-snug:    1.2;
  --lh-normal:  1.5;
  --lh-relaxed: 1.65;

  --tracking-display: -0.02em;
  --tracking-heading: -0.015em;
  --tracking-body:    0;
  --tracking-eyebrow: 0.14em;

  /* ---------- Motion ---------- */
  --ease-out:   cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out:cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:   120ms;
  --dur-base:   200ms;
  --dur-slow:   320ms;
}

/* =========================================================
   Base / element styles
   ========================================================= */

html, body {
  background: var(--bg-canvas);
  color: var(--fg-1);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  letter-spacing: var(--tracking-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--fg-1);
  letter-spacing: var(--tracking-heading);
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); font-weight: 700; line-height: var(--lh-tight);  letter-spacing: var(--tracking-display); }
h2 { font-size: var(--fs-h2); font-weight: 700; line-height: var(--lh-snug); }
h3 { font-size: var(--fs-h3); font-weight: 600; line-height: var(--lh-snug); }
h4 { font-size: var(--fs-h4); font-weight: 600; line-height: var(--lh-snug); }

p  { margin: 0; line-height: var(--lh-relaxed); text-wrap: pretty; }

small, .caption {
  font-size: var(--fs-caption);
  color: var(--fg-3);
  letter-spacing: 0.01em;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-brand);
}

.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

::selection { background: var(--luijo-orange); color: var(--fg-on-orange); }

a {
  color: var(--fg-brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--luijo-burgundy) 35%, transparent);
  transition: color var(--dur-fast) var(--ease-out), text-decoration-color var(--dur-fast);
}
a:hover { color: var(--luijo-orange); text-decoration-color: var(--luijo-orange); }