/**
 * Iliade Digital — Design System
 * --------------------------------------------------------------------
 * Ce fichier est LE cerveau visuel du site.
 * AUCUNE valeur visuelle ne doit être écrite en dur ailleurs.
 * Toute modification de couleur, typo ou espacement se fait ICI.
 *
 * Les valeurs `--color-primary`, `--color-secondary`, `--color-accent`
 * sont des PLACEHOLDERS. Elles seront remplacées par les valeurs hex
 * exactes extraites du logo client. Le mu-plugin iliade-agency-settings
 * peut également les surcharger dynamiquement via <style id="iliade-dynamic-vars">.
 */

:root {

  /* ══════════════════════════════════════════
     COULEURS — Extraites du logo Iliade Digital
     Vert primaire #3cc35a (cercle trident + sous-titre)
     Jaune accent  #f9d000 (le point après "DIGITAL")
     ══════════════════════════════════════════ */
  --color-primary:        #3cc35a; /* Vert Iliade — cercle logo */
  --color-primary-dark:   #2ba847; /* Vert plus sombre (hover) */
  --color-primary-light:  #5dd478; /* Vert plus clair */
  --color-primary-rgb:    60, 195, 90; /* Vert Iliade pour rgba() */
  --color-secondary:      #f9d000; /* Jaune doré — point du logo */
  --color-secondary-dark: #d9b400; /* Jaune plus sombre */
  --color-accent:         #f9d000; /* Jaune doré accent */
  --color-accent-hover:   #ffe04a; /* Jaune éclatant */

  /* Opacités utilitaires */
  --color-primary-5:   rgba(var(--color-primary-rgb), 0.05);
  --color-primary-10:  rgba(var(--color-primary-rgb), 0.10);
  --color-primary-20:  rgba(var(--color-primary-rgb), 0.20);
  --color-primary-30:  rgba(var(--color-primary-rgb), 0.30);
  --color-primary-50:  rgba(var(--color-primary-rgb), 0.50);

  /* Sémantiques */
  --color-success:     #22c55e;
  --color-warning:     #f59e0b;
  --color-error:       #ef4444;
  --color-info:        #3b82f6;

  /* ══════════════════════════════════════════
     PALETTE DARK (fond du site)
     ══════════════════════════════════════════ */
  --color-bg:           #08080f;
  --color-bg-2:         #0f0f1a;
  --color-bg-3:         #161622;
  --color-bg-4:         #1e1e2e;
  --color-surface:      rgba(255, 255, 255, 0.03);
  --color-surface-2:    rgba(255, 255, 255, 0.06);
  --color-surface-3:    rgba(255, 255, 255, 0.10);
  --color-border:       rgba(255, 255, 255, 0.07);
  --color-border-2:     rgba(255, 255, 255, 0.12);
  --color-border-3:     rgba(255, 255, 255, 0.22);

  /* Textes */
  --color-text:           #f0f0f8;
  --color-text-secondary: #a0a0b8;
  --color-text-muted:     #606078;
  --color-text-faint:     #404058;
  --color-text-inverse:   #08080f;

  /* Gradients */
  --gradient-primary:   linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-primary-v: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-dark:      linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-2) 100%);
  --gradient-surface:   linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  --gradient-glow:      radial-gradient(ellipse 80% 50% at 50% -10%,
                          var(--color-primary-20) 0%, transparent 60%);
  --gradient-text:      linear-gradient(135deg, var(--color-primary), var(--color-accent));
  --gradient-mesh:      radial-gradient(at 40% 20%, var(--color-primary-10) 0px, transparent 50%),
                        radial-gradient(at 80% 0%, var(--color-secondary) 0px, transparent 30%),
                        radial-gradient(at 0% 50%, var(--color-accent) 0px, transparent 30%);

  /* ══════════════════════════════════════════
     TYPOGRAPHIE
     ══════════════════════════════════════════ */
  --font-display:  'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-heading:  'Syne', system-ui, -apple-system, sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Tailles fluides */
  --text-2xs:   clamp(0.625rem,  1.2vw,  0.688rem);
  --text-xs:    clamp(0.688rem,  1.4vw,  0.75rem);
  --text-sm:    clamp(0.75rem,   1.6vw,  0.875rem);
  --text-base:  clamp(0.875rem,  1.8vw,  1rem);
  --text-lg:    clamp(1rem,      2vw,    1.125rem);
  --text-xl:    clamp(1.125rem,  2.5vw,  1.25rem);
  --text-2xl:   clamp(1.25rem,   3vw,    1.5rem);
  --text-3xl:   clamp(1.5rem,    4vw,    2rem);
  --text-4xl:   clamp(1.875rem,  5vw,    2.5rem);
  --text-5xl:   clamp(2.25rem,   6vw,    3.5rem);
  --text-6xl:   clamp(2.75rem,   7.5vw,  5rem);
  --text-hero:  clamp(3rem,      9vw,    7rem);

  --leading-none:    1;
  --leading-tight:   1.1;
  --leading-snug:    1.3;
  --leading-normal:  1.6;
  --leading-relaxed: 1.75;
  --leading-loose:   2;

  --tracking-tighter: -0.05em;
  --tracking-tight:   -0.025em;
  --tracking-normal:  0em;
  --tracking-wide:    0.05em;
  --tracking-wider:   0.1em;
  --tracking-widest:  0.2em;

  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --weight-black:    900;

  /* ══════════════════════════════════════════
     ESPACEMENT
     ══════════════════════════════════════════ */
  --sp-1:   0.25rem;  --sp-2:   0.5rem;   --sp-3:   0.75rem;
  --sp-4:   1rem;     --sp-5:   1.25rem;  --sp-6:   1.5rem;
  --sp-7:   1.75rem;  --sp-8:   2rem;     --sp-10:  2.5rem;
  --sp-12:  3rem;     --sp-14:  3.5rem;   --sp-16:  4rem;
  --sp-20:  5rem;     --sp-24:  6rem;     --sp-28:  7rem;
  --sp-32:  8rem;     --sp-40:  10rem;    --sp-48:  12rem;

  --section-y:        clamp(4.5rem, 12vw, 9rem);
  --section-y-sm:     clamp(2.5rem, 7vw,  5.5rem);
  --container-max:    1280px;
  --container-wide:   1440px;
  --container-narrow: 920px;  /* Zone "contenu" — alignée visuellement avec container */
  --container-text:   720px;  /* Lecture pure (article body, prose) */
  --container-px:     clamp(1.25rem, 5vw, 2.5rem);

  /* ══════════════════════════════════════════
     BORDER RADIUS
     ══════════════════════════════════════════ */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-2xl:  40px;
  --radius-full: 9999px;

  /* ══════════════════════════════════════════
     OMBRES & GLOW
     ══════════════════════════════════════════ */
  --shadow-xs:      0 1px 4px rgba(0, 0, 0, 0.25);
  --shadow-sm:      0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md:      0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg:      0 20px 60px rgba(0, 0, 0, 0.55);
  --shadow-xl:      0 40px 100px rgba(0, 0, 0, 0.65);
  --shadow-glow:    0 0 40px var(--color-primary-20);
  --shadow-glow-lg: 0 0 80px var(--color-primary-10);
  --shadow-accent:  0 0 40px rgba(var(--color-primary-rgb), 0.3);
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.4),
                    inset 0 1px 0 var(--color-border-2);

  /* ══════════════════════════════════════════
     ANIMATIONS
     ══════════════════════════════════════════ */
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in:     cubic-bezier(0.4, 0.0, 1.0, 1);
  --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --dur-instant:  80ms;
  --dur-fast:     150ms;
  --dur-base:     300ms;
  --dur-slow:     500ms;
  --dur-slower:   800ms;
  --dur-slowest:  1200ms;

  /* ══════════════════════════════════════════
     EFFETS VISUELS
     ══════════════════════════════════════════ */
  --blur-xs:  blur(4px);
  --blur-sm:  blur(8px);
  --blur-md:  blur(16px);
  --blur-lg:  blur(40px);
  --blur-xl:  blur(80px);

  --glass-bg:       rgba(255, 255, 255, 0.04);
  --glass-bg-2:     rgba(255, 255, 255, 0.07);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --glass-backdrop: blur(24px) saturate(180%) brightness(1.05);

  /* ══════════════════════════════════════════
     Z-INDEX
     ══════════════════════════════════════════ */
  --z-negative: -1;
  --z-base:      0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
  --z-cursor:   999;
}

/* ══════════════════════════════════════════
   @FONT-FACE — Polices self-hébergées
   Les fichiers WOFF2 doivent être déposés
   dans assets/fonts/.
   ══════════════════════════════════════════ */

@font-face {
  font-family: 'Space Grotesk';
  src: local('Space Grotesk Bold'),
       url('../fonts/space-grotesk-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC;
}

@font-face {
  font-family: 'Space Grotesk';
  src: local('Space Grotesk Regular'),
       url('../fonts/space-grotesk-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Syne';
  src: local('Syne Bold'),
       url('../fonts/syne-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: local('Inter Regular'),
       url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: local('Inter SemiBold'),
       url('../fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: local('JetBrains Mono Regular'),
       url('../fonts/jetbrains-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ══════════════════════════════════════════
   RESET MODERNE
   ══════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px; /* offset header sticky */
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, video, svg, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

p { color: var(--color-text-secondary); }

strong, b { color: var(--color-text); font-weight: var(--weight-semibold); }

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

/* Scrollbar custom (WebKit + Firefox) */
* { scrollbar-width: thin; scrollbar-color: var(--color-border-3) var(--color-bg-2); }
::-webkit-scrollbar         { width: 6px; height: 6px; }
::-webkit-scrollbar-track   { background: var(--color-bg-2); }
::-webkit-scrollbar-thumb   { background: var(--color-border-3); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* Sélection texte */
::selection {
  background: var(--color-primary-20);
  color: var(--color-text);
}

/* Focus visible accessible */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  z-index: var(--z-toast);
  border-radius: 0 0 var(--radius-md) 0;
  font-weight: var(--weight-semibold);
}
.skip-link:focus { top: 0; }

/* Screen reader only */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ══════════════════════════════════════════
   LAYOUT UTILITAIRES
   ══════════════════════════════════════════ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.container-wide   { width: 100%; max-width: var(--container-wide);   margin-inline: auto; padding-inline: var(--container-px); }
.container-narrow { width: 100%; max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--container-px); }

/**
 * Bloc texte (article body, prose).
 * À utiliser DANS un .container parent. Max 720px pour lecture optimale 65-75 caractères.
 * Typographie soignée pour le confort de lecture.
 */
.prose {
  max-width: var(--container-text);
  margin-inline: auto;
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}
.prose > * + * { margin-top: var(--sp-4); }
.prose h2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-text);
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-3);
  letter-spacing: var(--tracking-tight);
}
.prose h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
}
.prose p { margin-bottom: var(--sp-4); }
.prose ul,
.prose ol {
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-4);
}
.prose ul li { list-style: disc;    margin-bottom: var(--sp-2); }
.prose ol li { list-style: decimal; margin-bottom: var(--sp-2); }
.prose a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-30);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast);
}
.prose a:hover { text-decoration-color: var(--color-primary); }
.prose strong { color: var(--color-text); font-weight: var(--weight-semibold); }
.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--sp-2) var(--sp-5);
  margin: var(--sp-6) 0;
  font-style: italic;
  color: var(--color-text);
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.prose code:not(pre code) {
  background: var(--color-surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.9em;
  font-family: var(--font-mono);
}
.prose pre {
  background: var(--color-bg-3);
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--sp-4) 0;
}
.prose img {
  border-radius: var(--radius-md);
  margin: var(--sp-6) 0;
}

.section    { padding-block: var(--section-y); }
.section-sm { padding-block: var(--section-y-sm); }

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-12);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  align-items: center;
}
.section__title {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  letter-spacing: var(--tracking-tighter);
}
.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}
.section__cta {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-12);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--sp-6);
}

.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col     { display: flex; flex-direction: column; }
.stack        { display: flex; flex-direction: column; gap: var(--sp-4); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════
   TYPOGRAPHIE UTILITAIRES
   ══════════════════════════════════════════ */

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.text-glow      { text-shadow: 0 0 30px var(--color-primary-20); }
.text-center    { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.text-muted     { color: var(--color-text-muted); }

.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-4 { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }