/* ==========================================================================
   CON7XP IPU-W11 - Feuille de style portail
   Theme sombre elegant + accents electriques cyan/bleu. Mobile-first.
   ========================================================================== */

:root {
  /* #010005 = fond exact mesure sur les logos CON7XP-IPU (90 % des pixels de
     bord). Toute surface accueillant un logo doit rester sur cette teinte,
     sinon le rectangle de l'image se detache. */
  --bg:        #010005;
  --bg-logo:   #010005;
  --bg-soft:   #05070B;
  --bg-card:   #151c2e;
  --border:    #243049;
  --text:      #e8eefc;
  --text-dim:  #9fb0cf;
  --accent:    #22d3ee;   /* cyan electrique */
  --accent-2:  #3b82f6;   /* bleu */
  --accent-grad: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
  --success:   #22c55e;
  --warning:   #f59e0b;
  --danger:    #ef4444;
  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1100px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* --- Boutons --- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, box-shadow .15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-primary {
  background: var(--accent-grad);
  color: #000;
  box-shadow: 0 6px 20px rgba(34, 211, 238, .28);
}
.btn-primary:hover { box-shadow: 0 10px 28px rgba(34, 211, 238, .4); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { display: block; width: 100%; }

/* --- Bandeau urgence ESU --- */
.urgency {
  background: linear-gradient(90deg, rgba(245,158,11,.14), rgba(239,68,68,.14));
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: .92rem;
  text-align: center;
  padding: 10px 20px;
}
.urgency strong { color: var(--warning); }

/* --- En-tete / nav --- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(1,0,5,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
/* Marque = logo CON7XP-IPU. Le fond du logo est #010005 : le header doit rester
   sur cette teinte, sinon le rectangle de l'image se detache visiblement. */
.brand { display: inline-flex; align-items: center; line-height: 0; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand img { display: block; width: 254px; height: 40px; border: 0; }
@media (max-width: 720px) { .brand img { width: 190px; height: 30px; } }
@media (max-width: 400px) { .brand img { width: 152px; height: 24px; } }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
/* "Migrer mon parc" est un <a class="btn btn-primary"> place dans .nav-links.
   Or `.nav-links a` (0,1,1) l'emporte sur `.btn-primary` (0,1,0) : le bouton
   heritait du gris des liens de nav au lieu de sa propre couleur. On reprend
   la main avec une regle de specificite superieure, hover compris. */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover { color: #000; }
@media (max-width: 720px) { .nav-links { display: none; } }

/* --- Heros --- */
.hero { padding: 84px 0 64px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 0 auto 0; height: 480px;
  background: radial-gradient(ellipse at 50% 0%, rgba(34,211,238,.16), transparent 60%);
  pointer-events: none;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.12; font-weight: 800; letter-spacing: -.5px; }
.hero h1 .grad { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.sub { color: var(--text-dim); font-size: 1.2rem; max-width: 680px; margin: 22px auto 0; }
.hero .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.hero .proof { margin-top: 30px; color: var(--text-dim); font-size: .95rem; }
.hero .proof b { color: var(--text); }

/* --- Sections --- */
section { padding: 70px 0; }
section h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); text-align: center; font-weight: 800; }
section .section-sub { text-align: center; color: var(--text-dim); margin-top: 12px; max-width: 620px; margin-inline: auto; }

/* --- Comment ca marche --- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 46px; }
@media (max-width: 860px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .steps-grid { grid-template-columns: 1fr; } }
.step { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.step .num { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-grad); color: #04121a; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--text-dim); font-size: .93rem; }

/* --- Tarifs --- */
#tarifs { background: var(--bg-soft); }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 46px; align-items: stretch; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }
.plan {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column; position: relative;
}
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 20px 50px rgba(34,211,238,.12); }
.plan .ribbon {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent-grad); color: #04121a; font-weight: 700; font-size: .78rem;
  padding: 5px 14px; border-radius: 20px; letter-spacing: .3px;
}
.plan h3 { font-size: 1.35rem; }
.plan .target { color: var(--text-dim); font-size: .88rem; margin-top: 4px; }
.plan .price { margin: 20px 0 6px; font-size: 2.2rem; font-weight: 800; }
.plan .price small { font-size: .95rem; color: var(--text-dim); font-weight: 500; }
.plan .price-note { color: var(--text-dim); font-size: .85rem; min-height: 20px; }
.plan ul { list-style: none; margin: 20px 0 26px; display: flex; flex-direction: column; gap: 10px; }
.plan ul li { padding-left: 26px; position: relative; font-size: .93rem; color: var(--text); }
.plan ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.plan .plan-cta { margin-top: auto; }
.plan .ht { color: var(--text-dim); font-size: .78rem; text-align: center; margin-top: 8px; }

/* Selecteur de pack / quantite dans une carte */
.field { margin: 6px 0 16px; }
.field label { display: block; font-size: .82rem; color: var(--text-dim); margin-bottom: 6px; }
.field select, .field input[type=number] {
  width: 100%; padding: 11px 12px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem;
}

/* --- Bandeau confiance --- */
.trust { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 44px; }
.trust .badge { background: var(--bg-card); border: 1px solid var(--border); border-radius: 30px; padding: 10px 18px; font-size: .88rem; color: var(--text-dim); }
.trust .badge b { color: var(--text); }

/* --- FAQ --- */
.faq { max-width: 760px; margin: 46px auto 0; }
.faq details { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; padding: 4px 20px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 16px; color: var(--text-dim); }

/* --- Footer --- */
footer.site { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-dim); font-size: .9rem; }
footer.site .foot-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer.site a { color: var(--text-dim); }
footer.site a:hover { color: var(--accent); }

/* --- Modale checkout --- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(4,8,16,.72); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; width: 100%; max-width: 420px; position: relative;
}
.modal h3 { font-size: 1.3rem; margin-bottom: 6px; }
.modal .modal-sub { color: var(--text-dim); font-size: .9rem; margin-bottom: 20px; }
.modal .close { position: absolute; top: 16px; right: 18px; background: none; border: none; color: var(--text-dim); font-size: 1.5rem; cursor: pointer; }
.modal .field input[type=email] {
  width: 100%; padding: 12px 13px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem;
}
.modal .error { color: var(--danger); font-size: .85rem; min-height: 18px; margin-top: 6px; }
.modal .recap { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; font-size: .9rem; margin-bottom: 18px; }
.modal .recap b { color: var(--accent); }

/* ==========================================================================
   Page /bienvenue
   ========================================================================== */
.page-bienvenue { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.bienvenue-card {
  /* La carte accueille le logo : elle reste sur --bg-logo, sinon le rectangle
     du logo ressort. C'est la bordure qui la detache du fond, pas la teinte. */
  background: var(--bg-logo); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 620px; width: 100%; padding: 44px 38px; text-align: center;
}
.bienvenue-card .brand-logo {
  /* 320px = deux crans sous les 480px d'origine (echelle 480 / 400 / 320). */
  display: block; margin: 0 auto 26px; max-width: 320px; width: 100%; height: auto; border: 0;
}
/* Marque centree des pages secondaires (404) : meme miniature que la nav. */
.brand-centered { display: block; line-height: 0; margin: 0 auto 26px; }
.brand-centered img { display: block; margin: 0 auto; width: 254px; height: 40px; border: 0; }
@media (max-width: 400px) { .brand-centered img { width: 190px; height: 30px; } }
.bienvenue-card .success-badge { font-size: 2rem; margin-bottom: 10px; }
.bienvenue-card h1 { font-size: 1.7rem; }
.bienvenue-card .lead { color: var(--text-dim); margin-top: 10px; }
.bienvenue-card h2 { font-size: 1.15rem; margin: 30px 0 12px; text-align: left; }
.code-box {
  background: #05070B; border: 1px dashed var(--accent); border-radius: var(--radius-sm);
  padding: 24px 20px; margin: 30px 0 32px; display: flex; flex-direction: column; gap: 14px;
}
.code-label { color: var(--text-dim); font-size: .82rem; text-transform: uppercase; letter-spacing: 1px; }
.code-value { font-size: 1.9rem; font-weight: 800; letter-spacing: 3px; color: var(--accent); font-family: "Courier New", monospace; }
.steps { text-align: left; color: var(--text-dim); padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.steps li { padding-left: 4px; }
.bienvenue-card .btn { margin-top: 22px; }
.bienvenue-card .hint { color: var(--text-dim); font-size: .85rem; margin-top: 16px; }