@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");
@import url("tokens.css");

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-action); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4.2vw, 2.9rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 var(--space-2); color: var(--color-text); }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: var(--space-2);
}
.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
.section { padding-block: var(--space-6); }
.section-bg { background: var(--color-bg); }
.section-primary { background: var(--color-primary); color: var(--color-white); }
.section-primary h1, .section-primary h2, .section-primary h3 { color: var(--color-white); }
.section-primary p { color: rgba(255,255,255,0.82); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-base);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn-primary { background: var(--color-action); color: var(--color-white); }
.btn-primary:hover { background: #0a5fd4; box-shadow: var(--shadow-md); }
.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: var(--color-white); }
.btn-accent { background: var(--color-orange); color: var(--color-text); }
.btn-accent:hover { background: #d98704; }
.btn-ghost { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-action);
}
.link-arrow::after { content: "→"; transition: transform 0.15s ease; }
.link-arrow:hover::after { transform: translateX(3px); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 14px; gap: var(--space-3);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 44px; width: auto; }
.brand-text { display: none; }
.nav {
  display: flex; align-items: center; gap: var(--space-3);
}
.nav a {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--color-action); text-decoration: none; }
.nav a.active { color: var(--color-action); border-bottom-color: var(--color-action); }
.header-cta { display: inline-flex; }
.menu-toggle {
  display: none;
  background: transparent; border: 0; padding: 8px;
  color: var(--color-primary);
}
.menu-toggle svg { width: 26px; height: 26px; }

@media (max-width: 960px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav.open, .header-cta.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-white);
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: var(--space-2);
  }
  .header-cta.open { top: calc(100% + 250px); }
}

/* Hero */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 85% 20%, rgba(32,184,216,0.18), transparent 55%),
    radial-gradient(circle at 15% 90%, rgba(22,119,255,0.15), transparent 55%),
    linear-gradient(180deg, #0b1f34 0%, #102A43 100%);
  color: var(--color-white);
  overflow: hidden;
}
.hero .container {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-5);
  align-items: center;
  padding-block: clamp(56px, 8vw, 96px);
}
.hero h1 { color: var(--color-white); }
.hero .lead { color: rgba(255,255,255,0.85); font-size: 1.2rem; }
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
  aspect-ratio: 4/5;
  max-height: 520px;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-eyebrow {
  color: var(--color-cyan);
}
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
}

/* Page header (sous-pages) */
.page-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding-block: var(--space-6);
}
.page-header h1 { color: var(--color-white); }
.page-header p { color: rgba(255,255,255,0.85); max-width: 65ch; }
.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-2);
}
.breadcrumb a { color: rgba(255,255,255,0.8); }

/* Cards */
.card-grid {
  display: grid; gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.card .icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(22,119,255,0.1);
  color: var(--color-action);
  margin-bottom: var(--space-2);
}
.card .icon.orange { background: rgba(245,158,11,0.14); color: var(--color-orange); }
.card .icon.cyan   { background: rgba(32,184,216,0.14); color: var(--color-cyan); }
.card .icon.green  { background: rgba(25,169,116,0.14); color: var(--color-green); }
.card .icon svg { width: 24px; height: 24px; }

/* Feature card avec image */
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-card .media {
  aspect-ratio: 16/10;
  background: var(--color-bg);
  overflow: hidden;
}
.feature-card .media img { width: 100%; height: 100%; object-fit: cover; }
.feature-card .body { padding: var(--space-3); }
.tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(22,119,255,0.1);
  color: var(--color-action);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.tag.green { background: rgba(25,169,116,0.14); color: var(--color-green); }
.tag.orange { background: rgba(245,158,11,0.14); color: var(--color-orange); }

/* Split section (image + texte) */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5);
  align-items: center;
}
.split .media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.split.reverse .media { order: 2; }
.split ul { padding-left: 1.15rem; margin: 0; color: var(--color-text-muted); }
.split ul li { margin-bottom: 8px; }
.split ul li strong { color: var(--color-text); font-weight: 600; }
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse .media { order: 0; }
}

/* Stats */
.stats {
  display: grid; gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.stat {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}
.stat .num {
  font-family: var(--font-heading);
  font-size: 2.4rem; font-weight: 800; color: var(--color-primary);
  line-height: 1;
}
.stat .label { color: var(--color-text-muted); margin-top: 6px; font-size: 0.95rem; }

/* CTA band */
.cta-band {
  background:
    radial-gradient(circle at 90% 30%, rgba(32,184,216,0.2), transparent 55%),
    linear-gradient(135deg, var(--color-primary), #17395c);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: grid; grid-template-columns: 2fr 1fr; align-items: center; gap: var(--space-4);
}
.cta-band h2 { color: var(--color-white); margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0; }
.cta-band .actions { display: flex; gap: var(--space-2); justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 820px) {
  .cta-band { grid-template-columns: 1fr; }
  .cta-band .actions { justify-content: flex-start; }
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.75);
  padding-block: var(--space-5) var(--space-3);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid; gap: var(--space-4);
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
.site-footer h4 {
  color: var(--color-white); font-size: 0.95rem; margin-bottom: var(--space-2);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: var(--color-white); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; }
.footer-brand img { height: 48px; filter: brightness(0) invert(1); margin-bottom: var(--space-2); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2);
  font-size: 0.85rem; color: rgba(255,255,255,0.6);
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* Form */
.form { display: grid; gap: var(--space-2); max-width: 640px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.form label { display: block; font-weight: 500; font-size: 0.92rem; margin-bottom: 6px; color: var(--color-primary); }
.form input, .form select, .form textarea {
  width: 100%;
  font-family: inherit; font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--color-action); box-shadow: var(--focus-ring);
}
.form textarea { min-height: 140px; resize: vertical; }
.form .actions { margin-top: var(--space-2); }
@media (max-width: 640px) { .form .row { grid-template-columns: 1fr; } }

/* Utils */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.text-center { text-align: center; }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.section-title { text-align: center; margin-bottom: var(--space-4); }
.section-title p { color: var(--color-text-muted); max-width: 60ch; margin-inline: auto; }

/* Skip link */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--color-primary); color: var(--color-white);
  padding: 8px 12px; border-radius: 6px;
  z-index: 100;
}
.skip-link:focus { top: 8px; }