/* ─────────────────────────────────────────────────────────────
   British Workshop — Centre de 2 Mars · Landing
   Mobile-first. Branding bleu Cambridge + accent ambre (CTA).
   ───────────────────────────────────────────────────────────── */

:root {
  --blue: #1E4196;
  --blue-2: #3A5FB8;
  --blue-dark: #163070;
  --accent: #D81F2C;
  --accent-dark: #B3121E;
  --wa: #25D366;
  --ink: #0F1B33;
  --muted: #5B6B85;
  --soft: #F3F6FC;
  --line: #E2E8F4;
  --white: #FFFFFF;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(30, 65, 150, .18);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Poppins', sans-serif; line-height: 1.2; }

.container { width: 100%; max-width: 680px; margin: 0 auto; padding: 0 20px; }

a { text-decoration: none; }

/* ── Boutons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 16px; padding: 15px 24px; border-radius: 999px;
  border: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(216, 31, 44, .4); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 6px 18px rgba(37, 211, 102, .4); }
.btn-block { width: 100%; }

/* ── HERO ── */
.hero {
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff; padding: 22px 0 40px; border-radius: 0 0 28px 28px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -60px; top: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(74,110,200,.45), transparent 70%);
}
.brand { display: flex; align-items: baseline; gap: 8px; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 22px; margin-bottom: 4px; }
.brand .logo em { color: var(--accent); font-style: normal; }
.brand small { font-weight: 600; opacity: .8; font-size: 13px; }
.brand-loc { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.85); margin: 0 0 2px; }
.tagline { letter-spacing: 3px; text-transform: uppercase; font-size: 11.5px; font-weight: 600; color: rgba(255,255,255,.7); margin-bottom: 22px; }

.eyebrow { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.12); padding: 6px 13px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.eyebrow i { color: var(--accent); }

.hero h1 { font-size: 30px; font-weight: 800; margin-bottom: 14px; }
.hero h1 span { color: var(--accent); }
.lead { font-size: 16px; opacity: .95; margin-bottom: 22px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.cta-row .btn { flex: 1; min-width: 150px; }

.badges { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.badges li { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; background: rgba(255,255,255,.1); padding: 7px 12px; border-radius: 999px; }
.badges i { color: var(--accent); }
.hero-illus { margin-top: 24px; }
.hero-illus svg { width: 100%; height: auto; display: block; }
.brand .logo { letter-spacing: .5px; white-space: nowrap; }

/* ── OFFRE ── */
.offer { padding: 28px 0; background: var(--soft); }
.offer-card { background: #fff; border: 2px dashed var(--accent); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.offer-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--blue); color: #fff; font-weight: 700; font-size: 14px; padding: 8px 15px; border-radius: 999px; margin-bottom: 16px; }
.offer-tag i { color: var(--accent); }
.price-anchor { display: flex; align-items: baseline; gap: 8px; margin: 4px 0 16px; }
.price-from { font-size: 14px; color: var(--muted); font-weight: 600; }
.price-amount { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 32px; color: var(--blue); line-height: 1; }
.price-amount small { font-size: 15px; font-weight: 700; color: var(--muted); }
.offer-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.offer-list li { display: flex; align-items: flex-start; gap: 11px; font-size: 15px; }
.offer-list i { color: var(--accent-dark); margin-top: 3px; width: 18px; text-align: center; }
.offer-deadline { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.offer-deadline i { color: #E2574C; }

/* ── POUR QUI ── */
.why { padding: 38px 0; }
.why h2 { text-align: center; font-size: 24px; margin-bottom: 24px; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.why-card { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 16px; text-align: center; }
.why-card i { font-size: 26px; color: var(--blue-2); margin-bottom: 10px; }
.why-card h3 { font-size: 16px; margin-bottom: 5px; }
.why-card p { font-size: 13px; color: var(--muted); }

/* ── FORMULAIRE ── */
.form-section { padding: 16px 0 48px; background: linear-gradient(180deg, #fff, var(--soft)); }
.form-section h2 { text-align: center; font-size: 24px; }
.form-section h2 span { color: var(--accent-dark); }
.form-sub { text-align: center; color: var(--muted); margin-bottom: 22px; }

.alert { background: #FDECEA; border: 1px solid #F5C2BC; color: #B23B30; padding: 12px 15px; border-radius: 12px; font-size: 14px; margin-bottom: 18px; display: flex; align-items: center; gap: 9px; }

.lead-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.field { margin-bottom: 15px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.field .opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; font-size: 16px; font-family: inherit;
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-2); box-shadow: 0 0 0 3px rgba(30,111,217,.15);
}
.reassure { text-align: center; font-size: 12.5px; color: var(--muted); margin-top: 12px; }
.reassure i { color: var(--wa); }
.btn-block { margin-top: 6px; }

/* ── FOOTER ── */
.footer { background: var(--blue-dark); color: #fff; text-align: center; padding: 30px 0 90px; }
.footer-brand { font-family: 'Poppins'; font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.footer-brand i { color: var(--accent); }
.footer p { font-size: 13px; opacity: .8; margin-bottom: 4px; }
.footer-wa { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; color: var(--wa); font-weight: 600; font-size: 14px; }

/* ── WhatsApp flottant ── */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 50;
  width: 56px; height: 56px; border-radius: 50%; background: var(--wa); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  box-shadow: 0 6px 20px rgba(37,211,102,.5);
}

/* ── PAGE MERCI ── */
.thanks { min-height: 100vh; display: flex; align-items: center; text-align: center; background: linear-gradient(160deg, var(--blue), var(--blue-dark)); color: #fff; padding: 40px 0; }
.thanks-icon { font-size: 64px; color: var(--accent); margin-bottom: 18px; }
.thanks h1 { font-size: 26px; margin-bottom: 14px; }
.thanks .lead { max-width: 440px; margin: 0 auto 24px; }
.thanks-tip { display: flex; gap: 12px; text-align: left; background: rgba(255,255,255,.1); border-radius: 14px; padding: 16px; max-width: 440px; margin: 0 auto 22px; font-size: 14px; }
.thanks-tip i { color: var(--wa); font-size: 24px; }
.thanks .btn-block { max-width: 440px; margin: 0 auto; }
.back-link { display: inline-block; margin-top: 22px; color: #fff; opacity: .8; font-size: 14px; }

/* ── Desktop ── */
@media (min-width: 720px) {
  .hero { padding: 26px 0 52px; }
  .hero h1 { font-size: 40px; }
  .lead { font-size: 18px; }
  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .wa-float { display: none; }
}