/* ============================================================
   e-FORT — Stylesheet partagée (charte officielle)
   Tokens extraits de packages/web/src/styles/tokens.css (§14.25 / §15.54)
   ============================================================ */

:root {
  /* Fonds & surfaces */
  --bg:          #0A0F1A;
  --bg-deep:     #070A0E;
  --bg-elevated: #1A2638;
  --bg-card:     #131A28;
  --border:      #223047;
  --border-soft: rgba(34,48,71,0.5);

  /* Texte */
  --text:        #FFFFFF;
  --text-soft:   #C9D2DE;
  --text-muted:  #6B7280;
  --text-dim:    #4B5563;

  /* Accents e-FORT */
  --power:       #00C896;
  --target:      #7C5CE7;
  --wbal:        #F0A500;
  --hr:          #E05252;
  --band:        #1F8AFF;
  --accent:      #3B82F6;

  --success:     #34D399;
  --warning:     #FBBF24;
  --error:       #F87171;

  /* Typo */
  --font-display: 'Archivo', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Layout */
  --container:   1240px;
  --container-narrow: 980px;
  --gutter:      clamp(20px, 4vw, 48px);
  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   24px;
  --radius-xl:   32px;

  /* Animations */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.06 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 2;
}
.narrow { max-width: var(--container-narrow); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--power);
  margin: 0 0 16px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}
h1 { font-size: clamp(40px, 7.5vw, 88px); font-weight: 800; }
h2 { font-size: clamp(32px, 5vw, 56px); }
h3 { font-size: clamp(22px, 3vw, 32px); font-weight: 600; }
p  { margin: 0; line-height: 1.6; color: var(--text-soft); }
p.lede { font-size: clamp(17px, 1.6vw, 21px); color: var(--text-soft); }

/* Gradient text utility */
.accent-text {
  background: linear-gradient(120deg, var(--power) 0%, #5EE7C0 50%, var(--target) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  background: rgba(10, 15, 26, 0.72);
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled {
  background: rgba(7, 10, 14, 0.92);
  border-bottom-color: var(--border);
}
.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
  height: 28px;
}
.site-header__logo img {
  height: 100%;
  width: auto;
  display: block;
}
.site-header nav { display: flex; gap: 32px; align-items: center; }
.site-header nav a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.2s ease;
  position: relative;
}
.site-header nav a:hover { color: var(--text); }
.site-header nav a.active { color: var(--text); }
.site-header nav a.active::after {
  content: '';
  position: absolute;
  bottom: -22px; left: 0; right: 0;
  height: 2px;
  background: var(--power);
}
.header-right { display: flex; align-items: center; gap: 16px; }
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  background: rgba(255,255,255,0.02);
}
.lang-toggle button {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.lang-toggle button[aria-pressed="true"] {
  background: var(--text);
  color: var(--bg-deep);
}
.cta-mini {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--text);
  color: var(--bg-deep);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}
.cta-mini:hover { transform: translateY(-1px); background: var(--power); }

@media (max-width: 980px) {
  .site-header nav { display: none; }
}

/* Mobile menu toggle (hamburger) */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin-left: 4px;
  color: var(--text);
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s ease;
}
.menu-toggle:hover { background: rgba(255,255,255,0.06); }
.menu-toggle svg { width: 24px; height: 24px; display: block; }
@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; }
}

/* Menu mobile drawer (overlay plein écran depuis le top)
   IMPORTANT : ce <nav> doit être placé EN DEHORS du <header> qui a
   backdrop-filter, sinon position:fixed devient relatif au header
   (cf. spec CSS : un containing block fixed est créé par backdrop-filter). */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h, 64px);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 10, 14, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 4px;
  padding: 32px 24px 48px;
  z-index: 998;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.mobile-menu a {
  display: block;
  padding: 18px 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  letter-spacing: -0.01em;
  transition: color 0.15s ease;
}
.mobile-menu a:hover,
.mobile-menu a:active { color: var(--power); }
.mobile-menu a:last-child { border-bottom: none; }

/* État ouvert : visible + interactif + bouton se transforme en croix */
body.menu-open { overflow: hidden; }
body.menu-open .mobile-menu {
  display: flex;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
@media (max-width: 980px) {
  body.menu-open .menu-toggle svg line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
    transform-origin: center;
  }
  body.menu-open .menu-toggle svg line:nth-child(2) {
    opacity: 0;
  }
  body.menu-open .menu-toggle svg line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    transform-origin: center;
  }
  .menu-toggle svg line {
    transition: transform 0.25s ease, opacity 0.15s ease;
    transform-box: fill-box;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--text);
  color: var(--bg-deep);
}
.btn--primary:hover {
  background: var(--power);
  color: var(--bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(0,200,150,0.45);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--text); background: rgba(255,255,255,0.04); }
.btn--text {
  padding: 0;
  background: none;
  color: var(--power);
  font-weight: 500;
}
.btn--text::after {
  content: '→';
  margin-left: 6px;
  transition: transform 0.2s ease;
}
.btn--text:hover::after { transform: translateX(4px); }

/* Learn more link — utilisé partout sur l'accueil */
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--power);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  transition: gap 0.25s var(--ease-out), color 0.2s ease;
}
.learn-more::after {
  content: '→';
  transition: transform 0.25s var(--ease-out);
}
.learn-more:hover {
  gap: 12px;
  color: #5EE7C0;
}
.learn-more:hover::after { transform: translateX(2px); }

/* ============================================================
   PAGE TITLE — pour les sous-pages
   ============================================================ */
.page-title {
  padding: 180px 0 80px;
  position: relative;
  text-align: center;
  overflow: hidden;
}
.page-title::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1000px; height: 600px;
  background: radial-gradient(ellipse at top, rgba(0,200,150,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.page-title__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--power);
  margin-bottom: 16px;
}
.page-title h1 {
  font-size: clamp(40px, 6vw, 72px);
  max-width: 900px;
  margin: 0 auto 24px;
}
.page-title p.lede {
  max-width: 660px;
  margin: 0 auto;
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--text-soft);
}

/* ============================================================
   SECTIONS
   ============================================================ */
section.section {
  padding: clamp(80px, 12vw, 140px) 0;
  position: relative;
  z-index: 2;
}
.section-head {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.section-head h2 { margin-bottom: 20px; }
.section-head p.lede { max-width: 640px; margin-inline: auto; }

/* ============================================================
   FOOTER
   ============================================================ */
footer.site-footer {
  background: #050709;
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-soft);
  position: relative;
  z-index: 2;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 760px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}
.site-footer__brand img {
  height: 32px;
  width: auto;
  margin-bottom: 18px;
}
.site-footer__by {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
}
.site-footer__by .symbtech {
  color: var(--text-soft);
  font-weight: 600;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  color: var(--text-soft);
  font-size: 13.5px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--power); }

.site-footer__bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.site-footer__bottom .legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer__bottom a:hover { color: var(--text-soft); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,200,150,0.5); }
  70% { box-shadow: 0 0 0 14px rgba(0,200,150,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,200,150,0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   BADGES — réutilisables
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.badge--live {
  color: var(--power);
  border-color: rgba(0,200,150,0.35);
  background: rgba(0,200,150,0.08);
}
.badge--live::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--power);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--power);
  animation: pulse 2s infinite;
}
.badge--soon {
  color: var(--wbal);
  border-color: rgba(240,165,0,0.3);
  background: rgba(240,165,0,0.06);
}
.badge--ai {
  color: var(--target);
  border-color: rgba(124,92,231,0.3);
  background: rgba(124,92,231,0.06);
}

/* ============================================================
   CARDS — patterns réutilisables
   ============================================================ */
.card {
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.card--hover {
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
}
.card--hover:hover {
  transform: translateY(-4px);
  border-color: rgba(0,200,150,0.4);
}