/* ========================================
   LEARNHE — Site Vitrine
   Design tokens
   ======================================== */
:root {
  --blue-900: #0c1f4f;
  --blue-800: #1e3a8a;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --ink-100: #f1f5f9;
  --ink-50:  #f8fafc;
  --white:   #ffffff;

  --success: #10b981;
  --warning: #f59e0b;

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 1px rgba(15,23,42,.04);
  --shadow:    0 10px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 50px rgba(15,23,42,.12);

  --container: 1180px;
  --header-h:  76px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* ========================================
   Base
   ======================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--blue-600); text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink-900); font-weight: 800; line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin: 0 0 1rem; }
h3 { font-size: 1.25rem; margin: 0 0 .5rem; }
p  { margin: 0 0 1rem; color: var(--ink-700); }
ul { padding-left: 1.25rem; }
li { margin-bottom: .35rem; color: var(--ink-700); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section   { padding: clamp(48px, 8vw, 96px) 0; }
.section--tight { padding: clamp(32px, 5vw, 56px) 0; }
.section--blue { background: var(--blue-50); }
.section--dark { background: var(--blue-900); color: var(--white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark p, .section--dark li { color: rgba(255,255,255,.85); }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: .75rem;
}

/* ========================================
   Header / Nav
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--ink-100);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.header__logo img { height: 38px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  color: var(--ink-700);
}
.nav a:hover { background: var(--blue-50); color: var(--blue-700); text-decoration: none; }
.nav a.active { color: var(--blue-700); background: var(--blue-50); }

.nav__cta {
  margin-left: 6px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink-900);
  margin: 6px 0;
  transition: transform .2s, opacity .2s;
}

@media (max-width: 880px) {
  .menu-toggle { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 16px;
    border-bottom: 1px solid var(--ink-100);
    box-shadow: var(--shadow);
    transform: translateY(-110%);
    transition: transform .25s ease;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 12px; }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
  text-decoration: none;
}
.btn--primary {
  background: var(--blue-700);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--blue-600);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn--ghost {
  background: transparent;
  color: var(--blue-700);
  border-color: var(--blue-700);
}
.btn--ghost:hover {
  background: var(--blue-50);
  color: var(--blue-700);
  text-decoration: none;
}
.btn--white {
  background: var(--white);
  color: var(--blue-800);
}
.btn--white:hover { background: var(--blue-50); color: var(--blue-800); text-decoration: none; }
.btn--lg { padding: 16px 28px; font-size: 1rem; }

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 0 clamp(48px, 8vw, 96px);
  background:
    radial-gradient(ellipse at top right, rgba(59,130,246,.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(29,78,216,.12), transparent 55%),
    linear-gradient(180deg, var(--blue-50) 0%, var(--white) 100%);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.hero__lead {
  font-size: 1.15rem;
  color: var(--ink-700);
  max-width: 56ch;
  margin-bottom: 1.75rem;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 2rem;
  font-size: .9rem;
  color: var(--ink-500);
}
.hero__trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero__trust strong { color: var(--ink-900); font-weight: 700; }

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  border: 1px solid var(--ink-100);
}
.hero__visual h3 { margin-top: 0; }

@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ========================================
   Cards (formations / formules / features)
   ======================================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--blue-100);
}
.card__tag {
  display: inline-block;
  background: var(--blue-50);
  color: var(--blue-700);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 12px;
  align-self: flex-start;
}
.card__title { font-size: 1.3rem; margin: 6px 0 8px; }
.card__meta {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: 12px 0 16px;
  font-size: .9rem; color: var(--ink-500);
}
.card__meta b { color: var(--ink-900); }
.card__price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue-700);
  margin: 8px 0 14px;
}
.card__list { margin: 0 0 18px; padding-left: 20px; }
.card__list li::marker { color: var(--blue-500); }
.card__cta { margin-top: auto; }

/* Formule card (3 colonnes pour PO/PEC) */
.formule {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink-100);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
}
.formule--featured {
  border-color: var(--blue-500);
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 60%);
}
.formule__code {
  position: absolute;
  top: -14px;
  left: 24px;
  background: var(--blue-700);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .05em;
}
.formule__name { font-size: 1.05rem; font-weight: 700; color: var(--ink-500); margin: 8px 0 4px; text-transform: uppercase; letter-spacing: .08em; }
.formule__duration { font-size: 2.1rem; font-weight: 800; color: var(--ink-900); }
.formule__duration small { font-size: .9rem; font-weight: 600; color: var(--ink-500); display: block; margin-top: 2px;}
.formule__price { margin: 16px 0; font-size: 1.6rem; font-weight: 800; color: var(--blue-700); }
.formule__price small { font-size: .85rem; font-weight: 600; color: var(--ink-500); display: block; }
.formule ul { margin: 0 0 24px; }

/* Compétences (numérotés) */
.competence {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ink-100);
}
.competence:last-child { border-bottom: 0; }
.competence__num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue-700);
  color: var(--white);
  display: grid; place-items: center;
  font-weight: 800;
  flex-shrink: 0;
}
.competence__text { color: var(--ink-700); }

/* Feature blocks (Pourquoi nous) */
.feature {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
}
.feature__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--blue-100);
  color: var(--blue-700);
  display: grid; place-items: center;
  font-size: 1.6rem;
  margin-bottom: 8px;
}

/* Info box / Encart */
.callout {
  background: var(--blue-50);
  border-left: 4px solid var(--blue-500);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 24px 0;
}
.callout--warning {
  background: #fffbeb;
  border-left-color: var(--warning);
}
.callout strong { color: var(--ink-900); }

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: .95rem;
  background: var(--white);
}
.table th, .table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--ink-100);
}
.table th {
  background: var(--blue-50);
  color: var(--ink-900);
  font-weight: 700;
}

/* Cert badges */
.cert-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 28px 0;
  border-top: 1px solid var(--ink-100);
  border-bottom: 1px solid var(--ink-100);
  background: var(--white);
}
.cert-strip span {
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.cert-strip strong {
  color: var(--blue-800);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

/* ========================================
   Forms
   ======================================== */
.form {
  background: var(--white);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.form__row { margin-bottom: 16px; }
.form__row label {
  display: block;
  font-weight: 700;
  font-size: .9rem;
  margin-bottom: 6px;
  color: var(--ink-900);
}
.form input[type=text],
.form input[type=email],
.form input[type=tel],
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-300);
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
  color: var(--ink-900);
  transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px var(--blue-100);
}
.form textarea { min-height: 140px; resize: vertical; }
.form__inline { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form__inline { grid-template-columns: 1fr; } }
.form__hint { font-size: .85rem; color: var(--ink-500); margin-top: 6px; }

/* ========================================
   CTA Banner
   ======================================== */
.cta-banner {
  background:
    radial-gradient(ellipse at top right, rgba(59,130,246,.45), transparent 50%),
    linear-gradient(135deg, var(--blue-800), var(--blue-600));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.92); max-width: 56ch; margin: 0 auto 24px; }
.cta-banner__buttons { display: inline-flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.78);
  padding: 56px 0 24px;
  font-size: .9rem;
}
.footer h4 { color: var(--white); margin-bottom: 14px; font-size: .95rem; text-transform: uppercase; letter-spacing: .1em; }
.footer a { color: rgba(255,255,255,.78); }
.footer a:hover { color: var(--white); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 880px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__about p { color: rgba(255,255,255,.72); }
.footer__about img { background: var(--white); padding: 8px 12px; border-radius: 8px; margin-bottom: 16px; }
.footer__list { list-style: none; padding: 0; margin: 0; }
.footer__list li { margin-bottom: 8px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
}

/* Page header (sous le header sticky pour pages internes) */
.page-header {
  background:
    radial-gradient(ellipse at top right, rgba(59,130,246,.18), transparent 55%),
    linear-gradient(180deg, var(--blue-50) 0%, var(--white) 100%);
  padding: 64px 0 48px;
}
.breadcrumb {
  font-size: .85rem;
  color: var(--ink-500);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--ink-500); }
.breadcrumb a:hover { color: var(--blue-700); }

/* Utility */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* ========================================
   Qualiopi badge (footer) + Modal
   ======================================== */
.qualiopi-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 14px 16px;
  background: #ffffff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: transform .15s, box-shadow .15s;
  text-decoration: none;
  font-family: inherit;
}
.qualiopi-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.qualiopi-badge img { height: 56px; width: auto; display: block; }
.qualiopi-badge__meta {
  font-size: .7rem;
  font-weight: 700;
  color: var(--ink-500);
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.3;
}
.qualiopi-badge__meta strong { color: var(--ink-900); font-size: .75rem; }

/* Modal overlay */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .85);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.modal.open { display: flex; }
.modal__content {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ink-100);
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--ink-700);
  display: grid;
  place-items: center;
  transition: background .15s;
}
.modal__close:hover { background: var(--ink-300); }
.modal__logo { max-width: 280px; margin: 0 auto 24px; display: block; }
.modal h2 { text-align: center; }
.modal__table {
  width: 100%;
  margin: 20px 0;
  border-collapse: collapse;
}
.modal__table th, .modal__table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--ink-100);
  font-size: .92rem;
}
.modal__table th {
  background: var(--blue-50);
  color: var(--ink-900);
  font-weight: 700;
  width: 42%;
}
.modal__table td { color: var(--ink-700); }