/* ============================================
   AUDITIONPLUS — Bilan auditif gratuit
   Palette : Bleu nuit profond / Sable chaud / Corail
   ============================================ */

:root {
  --bleu-nuit:      #0E2A3D;
  --bleu-marine:    #16415C;
  --teal:           #2E8C8C;
  --sable:          #F6EFE3;
  --corail:         #E8714A;
  --corail-fonce:   #C95A35;
  --blanc:          #FFFFFF;
  --gris-texte:     #4A5660;
  --gris-clair:     #E4E9EB;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 4px;
  --shadow-soft: 0 8px 24px rgba(14, 42, 61, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gris-texte);
  background: var(--sable);
  line-height: 1.55;
}

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- HEADER + HERO AVEC FORMULAIRE ---------- */

.site-header {
  background: linear-gradient(160deg, var(--bleu-nuit) 0%, var(--bleu-marine) 55%, var(--teal) 130%);
  position: relative;
  overflow: hidden;
  padding-bottom: 60px;
}

.site-header::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,113,74,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 10px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--blanc);
  letter-spacing: 0.01em;
}
.logo span { color: var(--corail); }

.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 14px;
  border-radius: 999px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
  padding-top: 36px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--corail);
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--corail);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  color: var(--blanc);
  line-height: 1.08;
  margin-bottom: 22px;
}
.hero-title em {
  font-style: italic;
  color: var(--sable);
  position: relative;
}

.hero-sub {
  font-size: 1.08rem;
  color: rgba(246,239,227,0.88);
  max-width: 460px;
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 38px;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--blanc);
}
.hero-stat-label {
  font-size: 0.82rem;
  color: rgba(246,239,227,0.7);
  max-width: 130px;
}

/* ---- Carte formulaire ---- */

.form-card {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 36px 34px;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.form-card::before {
  content: "01 — RÉSERVEZ VOTRE CRÉNEAU";
  position: absolute;
  top: -13px;
  left: 30px;
  background: var(--corail);
  color: var(--blanc);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 3px;
}

.form-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--bleu-nuit);
  margin-bottom: 6px;
  margin-top: 6px;
}

.form-card .form-intro {
  font-size: 0.92rem;
  color: var(--gris-texte);
  margin-bottom: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field {
  margin-bottom: 14px;
}
.field.full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--bleu-marine);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--gris-clair);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--bleu-nuit);
  background: var(--sable);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field input:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--blanc);
}
.field input.invalid {
  border-color: var(--corail-fonce);
}

.field-error {
  font-size: 0.74rem;
  color: var(--corail-fonce);
  margin-top: 4px;
  min-height: 14px;
}

.ip-display {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--sable);
  border: 1px solid var(--gris-clair);
  border-radius: 3px;
  padding: 9px 13px;
  margin-bottom: 18px;
  font-size: 0.8rem;
}
.ip-display-label {
  color: var(--gris-texte);
  font-weight: 600;
}
.ip-display-value {
  font-family: var(--font-mono);
  color: var(--teal);
  font-weight: 500;
}
.ip-display-value.detected {
  color: var(--bleu-marine);
}
.ip-display-value.failed {
  color: var(--corail-fonce);
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 12px 0;
  flex-wrap: wrap;
}
.checkbox-row input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--teal);
  flex-shrink: 0;
}
.checkbox-row label {
  font-size: 0.82rem;
  color: var(--gris-texte);
  line-height: 1.4;
}
.checkbox-row a {
  color: var(--teal);
  text-decoration: underline;
}
.checkbox-row .field-error {
  flex-basis: 100%;
  margin-left: 26px;
  margin-top: -4px;
}

.btn-submit {
  width: 100%;
  background: var(--corail);
  color: var(--blanc);
  border: none;
  padding: 15px 20px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: 3px;
  cursor: pointer;
  margin-top: 6px;
  transition: background 0.15s ease, transform 0.1s ease;
}
.btn-submit:hover { background: var(--corail-fonce); }
.btn-submit:active { transform: scale(0.99); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-fineprint {
  font-size: 0.72rem;
  color: #8A929A;
  text-align: center;
  margin-top: 12px;
}

#form-feedback {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 3px;
  font-size: 0.88rem;
  display: none;
}
#form-feedback.success {
  display: block;
  background: #E4F2EE;
  color: #1F6B52;
  border: 1px solid #BFE2D6;
}
#form-feedback.error {
  display: block;
  background: #FBE9E4;
  color: var(--corail-fonce);
  border: 1px solid #F3C8B9;
}

/* ---------- SECTIONS DE CONTENU ---------- */

.section {
  padding: 80px 0;
}
.section-sable { background: var(--sable); }
.section-blanc { background: var(--blanc); }

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--bleu-nuit);
  line-height: 1.2;
  font-weight: 600;
}

.section-title strong { color: var(--corail); }

.section-text {
  font-size: 1.02rem;
  color: var(--gris-texte);
  margin-top: 16px;
}

/* ---- Grille symptômes ---- */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.symptom-card {
  background: var(--blanc);
  border: 1px solid var(--gris-clair);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}
.symptom-card .icon-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bleu-nuit);
  color: var(--sable);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 16px;
}
.symptom-card h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--bleu-nuit);
  margin-bottom: 8px;
}
.symptom-card p {
  font-size: 0.9rem;
  color: var(--gris-texte);
}

/* ---- Timeline étapes ---- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--gris-clair);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--teal);
  opacity: 0.5;
}
.step-item h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--bleu-nuit);
  margin-bottom: 6px;
}
.step-item p {
  font-size: 0.92rem;
  color: var(--gris-texte);
  max-width: 600px;
}

/* ---- Bandeau garanties ---- */
.guarantee-band {
  background: var(--bleu-nuit);
  border-radius: var(--radius);
  padding: 44px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.guarantee-item { color: var(--sable); }
.guarantee-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 6px;
}
.guarantee-label {
  font-size: 0.84rem;
  color: rgba(246,239,227,0.75);
  line-height: 1.4;
}

/* ---- FAQ / après bilan ---- */
.after-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.after-text h3 {
  font-family: var(--font-display);
  color: var(--bleu-nuit);
  font-size: 1.3rem;
  margin: 22px 0 10px;
}
.after-text h3:first-child { margin-top: 0; }
.after-text p { font-size: 0.95rem; }

.after-visual {
  background: var(--teal);
  border-radius: var(--radius);
  padding: 40px;
  color: var(--blanc);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.after-visual .quote-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--corail);
  line-height: 0.6;
  margin-bottom: 10px;
}
.after-visual p {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.4;
}
.after-visual .source {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  opacity: 0.75;
  margin-top: 18px;
  font-style: normal;
}

/* ---- CTA final ---- */
.cta-final {
  background: linear-gradient(160deg, var(--corail) 0%, var(--corail-fonce) 100%);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
}
.cta-final h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--blanc);
  margin-bottom: 14px;
}
.cta-final p {
  color: rgba(255,255,255,0.9);
  max-width: 500px;
  margin: 0 auto 26px;
}
.btn-cta-light {
  display: inline-block;
  background: var(--blanc);
  color: var(--corail-fonce);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 3px;
  font-size: 0.95rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--bleu-nuit);
  color: rgba(246,239,227,0.6);
  padding: 36px 0;
  text-align: center;
  font-size: 0.82rem;
}
.site-footer a { text-decoration: underline; }
.site-footer .footer-logo {
  font-family: var(--font-display);
  color: var(--sable);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .symptom-grid { grid-template-columns: 1fr; }
  .guarantee-band { grid-template-columns: repeat(2, 1fr); }
  .after-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .guarantee-band { grid-template-columns: 1fr 1fr; padding: 32px 24px; }
  .section { padding: 56px 0; }
  .cta-final { padding: 40px 24px; }
}

/* Accessibilité : focus visible et réduction de mouvement */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}