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

:root {
  --primary:       #1a3a5c;
  --primary-light: #2563a8;
  --accent:        #10b981;
  --bg:            #f0f4f8;
  --surface:       #ffffff;
  --border:        #dde3ed;
  --text:          #1e293b;
  --text-muted:    #64748b;
  --shadow:        0 4px 24px rgba(0,0,0,.08);
  --radius:        16px;
  --radius-sm:     10px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 32px 24px;
  text-align: center;
}
.header-inner { max-width: 800px; margin: 0 auto; }
.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  letter-spacing: 1px;
}
.logo span { color: #7dd3fc; }
.header-sub { font-size: .9rem; opacity: .75; margin-top: 6px; }

/* ── MAIN ── */
main {
  flex: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  width: 100%;
}

/* ── STEP / CARDS ── */
.step h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--primary);
  margin-bottom: 8px;
}
.step-sub { color: var(--text-muted); margin-bottom: 32px; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  transition: all .25s;
  box-shadow: var(--shadow);
  position: relative;
}
.card:hover {
  border-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37,99,168,.18);
}
.card-icon { font-size: 2.5rem; }
.card h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary); }
.card p  { font-size: .85rem; color: var(--text-muted); line-height: 1.5; }
.card-arrow {
  position: absolute; bottom: 16px; right: 20px;
  font-size: 1.2rem; color: var(--primary-light);
  opacity: 0; transition: opacity .2s;
}
.card:hover .card-arrow { opacity: 1; }

/* ── FORM HERO ── */
.form-hero {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.form-hero-icon { font-size: 2.5rem; }
.form-hero h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--primary);
}
.form-hero .step-sub { margin-bottom: 0; }

/* ── FORM SECTION ── */
.form-section {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--border);
}

/* ── FIELDS ── */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.field:last-child { margin-bottom: 0; }
.field > label:first-child {
  font-weight: 600;
  font-size: .88rem;
  color: var(--text);
}

input[type="text"],
input[type="email"],
select,
textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  color: var(--text);
  background: #fafbfc;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,168,.12);
}
textarea { resize: vertical; }

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  cursor: pointer;
  padding: 6px 0;
}
.radio-label input {
  accent-color: var(--primary-light);
  width: 16px; height: 16px;
}

.field-hint {
  display: block;
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

/* ── STARS ── */
.star-row { display: flex; gap: 12px; flex-wrap: wrap; }
.star-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  gap: 4px;
}
.star-label input { display: none; }
.star { font-size: 2rem; color: #d1d5db; transition: color .2s; }
.star-num { font-size: .7rem; color: var(--text-muted); }
.star-label input:checked ~ .star { color: #f59e0b; }
.star-label:hover .star { color: #f59e0b; }

/* ── ALERTS ── */
.alert-errors {
  background: #fef2f2;
  border: 1.5px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 20px;
}
.alert-title { font-weight: 600; color: #dc2626; margin-bottom: 8px; }
.alert-errors p { font-size: .875rem; color: #b91c1c; line-height: 1.7; }

/* ── FORM FOOTER ── */
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.form-footer-note {
  font-size: .78rem;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.5;
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s;
  box-shadow: 0 4px 16px rgba(37,99,168,.35);
}
.btn-submit svg { width: 18px; height: 18px; transition: transform .2s; }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,168,.45); }
.btn-submit:hover svg { transform: translateX(4px); }

/* ── SUCCESS ── */
.success-screen {
  text-align: center;
  padding: 80px 24px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow);
  max-width: 560px;
  margin: 0 auto;
}
.success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.success-screen h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--primary);
  margin-bottom: 12px;
}
.success-screen p { color: var(--text-muted); font-size: .93rem; margin-bottom: 28px; }
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
}
.btn-back:hover { background: var(--primary-light); transform: translateY(-2px); }

/* ── FOOTER ── */
footer {
  background: var(--primary);
  color: rgba(255,255,255,.7);
  padding: 24px;
  text-align: center;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.footer-logo {
  background: rgba(255,255,255,.1);
  padding: 4px 12px;
  border-radius: 8px;
  font-family: 'DM Serif Display', serif;
  font-size: .9rem;
  color: #fff;
}
footer p { font-size: .8rem; }
.footer-sub { font-size: .73rem; opacity: .55; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .cards-grid { grid-template-columns: 1fr; }
  .field-row  { grid-template-columns: 1fr; }
  .form-footer { flex-direction: column; align-items: stretch; }
  .btn-submit  { justify-content: center; }
  main { padding: 24px 16px 40px; }
}

/* ── CHECKBOX ── */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .875rem;
  cursor: pointer;
  padding: 5px 0;
  line-height: 1.4;
}
.checkbox-label input[type="checkbox"] {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary-light);
  cursor: pointer;
}

/* ── RADIO ── */
.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  cursor: pointer;
  padding: 5px 0;
}
.radio-label input[type="radio"] {
  accent-color: var(--primary-light);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* champ texte inline dans label */
.checkbox-label input[type="text"],
.radio-label   input[type="text"] {
  width: auto;
  padding: 4px 10px;
  font-size: .85rem;
  height: 32px;
}

/* grille 3 colonnes pour la section RSE */
.field-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 700px) {
  .field-row-3 { grid-template-columns: 1fr; }
}