/* =============================================
   FORMRESTO — Feuille de style principale
   ============================================= */

:root {
  --navy: #0D1B2A;
  --navy2: #162032;
  --amber: #F59E0B;
  --amber2: #FEF3C7;
  --amber3: #B45309;
  --teal: #0D9488;
  --white: #FFFFFF;
  --offwhite: #F8F7F4;
  --gray: #E5E7EB;
  --muted: #6B7280;
  --slate: #334155;
  --green: #059669;
  --red: #DC2626;
  --font-head: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --r: 8px;
  --r2: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
}

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

body {
  font-family: var(--font-body);
  background: var(--offwhite);
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section--dark { background: var(--navy); color: var(--white); }

/* ---- Boutons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 10px 20px; border-radius: var(--r);
  font-size: 14px; font-weight: 500; cursor: pointer;
  border: 1.5px solid transparent; transition: all .15s;
  white-space: nowrap; font-family: var(--font-body);
}
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: #1a2e42; }
.btn-amber { background: var(--amber); color: var(--navy); border-color: var(--amber); }
.btn-amber:hover { background: #EF9F27; }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--amber); color: var(--navy); }
.btn-navy { background: var(--navy2); color: var(--white); border-color: #2a3d55; }
.btn-navy:hover { background: var(--amber); color: var(--navy); }
.btn-outline { background: transparent; color: var(--slate); border-color: var(--gray); }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.btn-ghost { background: transparent; color: rgba(255,255,255,.8); border-color: rgba(255,255,255,.3); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: var(--white); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ---- Navbar ---- */
.navbar {
  background: var(--navy); height: 64px;
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { display: block; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link { padding: 6px 12px; font-size: 14px; color: rgba(255,255,255,.65); border-radius: var(--r); transition: all .15s; }
.nav-link:hover { color: var(--white); background: rgba(255,255,255,.08); }
.nav-actions { display: flex; gap: 8px; }

/* ---- Hero ---- */
.hero { background: var(--navy); padding: 80px 0 72px; }
.hero-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.hero-badge {
  display: inline-block; background: rgba(245,158,11,.15);
  color: #FCD34D; font-size: 12px; font-weight: 500;
  letter-spacing: .05em; padding: 5px 14px; border-radius: 20px;
  margin-bottom: 20px; text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-head); font-size: clamp(36px,5vw,56px);
  color: var(--white); line-height: 1.12; margin-bottom: 16px;
}
.hero-title em { color: var(--amber); font-style: normal; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,.65); max-width: 580px; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 24px; font-weight: 500; color: var(--amber); }
.hero-stat span { font-size: 12px; color: rgba(255,255,255,.5); }

/* ---- Section titles ---- */
.section-title {
  font-family: var(--font-head); font-size: 34px;
  color: var(--navy); margin-bottom: 32px;
}
.section-title.light { color: var(--white); }

/* ---- Course cards ---- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 20px; }

.course-card {
  background: var(--white); border-radius: var(--r2);
  border: 1.5px solid var(--gray); overflow: hidden;
  transition: all .2s; cursor: pointer;
}
.course-card:hover { border-color: var(--amber); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }

.course-thumb {
  height: 160px; position: relative;
  overflow: hidden; background: #0D1B2A;
}
.course-thumb-img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

.course-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--amber); color: var(--navy);
  font-size: 10px; font-weight: 700; padding: 3px 9px;
  border-radius: 4px; text-transform: uppercase; letter-spacing: .05em;
}

.course-body { padding: 16px; }
.course-meta-top { font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.course-title { font-family: var(--font-head); font-size: 18px; margin-bottom: 8px; line-height: 1.3; color: var(--navy); }
.course-meta { display: flex; gap: 8px; font-size: 12px; color: var(--muted); margin-bottom: 14px; flex-wrap: wrap; }
.course-meta span::before { content: '·'; margin-right: 8px; }
.course-meta span:first-child::before { display: none; }
.course-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--gray); }
.course-price { font-size: 18px; font-weight: 500; color: var(--navy); }
.course-price small { font-size: 12px; font-weight: 400; color: var(--muted); }

/* ---- OPCO section ---- */
.opco-grid { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: center; }
.opco-text { font-size: 16px; color: rgba(255,255,255,.75); margin-bottom: 20px; }
.opco-list { list-style: none; margin-bottom: 28px; }
.opco-list li { padding: 6px 0; font-size: 15px; color: rgba(255,255,255,.8); }
.opco-list li::before { content: '✓'; color: var(--teal); margin-right: 10px; font-weight: 700; }
.opco-logos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.opco-badge {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--r); padding: 16px; text-align: center;
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,.8);
}

/* ---- B2B Banner ---- */
.b2b-banner {
  background: var(--navy); border-radius: var(--r2);
  padding: 32px 36px; display: flex; align-items: center;
  justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.b2b-banner h2 { font-family: var(--font-head); font-size: 24px; color: var(--white); margin-bottom: 6px; }
.b2b-banner p { font-size: 14px; color: rgba(255,255,255,.6); }

/* ---- Footer ---- */
.footer { background: #070F18; padding: 48px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-logo { margin-bottom: 10px; }
.footer-logo img { display: block; }
.footer-sub { font-size: 12px; color: rgba(255,255,255,.35); max-width: 400px; line-height: 1.6; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.5); transition: color .15s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { padding-top: 20px; text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,.25); }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; color: var(--slate); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray);
  border-radius: var(--r); font-size: 14px; font-family: var(--font-body);
  background: var(--white); color: var(--slate); transition: border-color .15s;
}
.form-input:focus { outline: none; border-color: var(--navy); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---- Auth pages ---- */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { background: var(--white); border-radius: var(--r2); border: 1.5px solid var(--gray); padding: 36px; width: 100%; max-width: 440px; }
.auth-title { font-family: var(--font-head); font-size: 26px; color: var(--navy); margin-bottom: 6px; }
.auth-sub { font-size: 14px; color: var(--muted); margin-bottom: 28px; }

/* ---- Alerts ---- */
.alert { padding: 12px 16px; border-radius: var(--r); font-size: 13px; margin-bottom: 16px; }
.alert-success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.alert-info { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }

/* ---- Progress bar ---- */
.progress { height: 6px; background: var(--gray); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width .5s; }
.progress-fill--blue { background: var(--navy); }
.progress-fill--green { background: var(--green); }
.progress-fill--amber { background: var(--amber); }

/* ---- Badges ---- */
.badge { display: inline-block; font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 20px; border: 0.5px solid; }
.badge-green { background: #ECFDF5; color: #065F46; border-color: #A7F3D0; }
.badge-amber { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }
.badge-blue { background: #EFF6FF; color: #1D4ED8; border-color: #BFDBFE; }
.badge-gray { background: #F9FAFB; color: #6B7280; border-color: #E5E7EB; }
.badge-red { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 32px; }
  .opco-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .b2b-banner { flex-direction: column; text-align: center; }
}