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

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --text-muted: #999;
  --accent: #f58220;
  --accent-hover: #ff9a40;
  --error: #ff4444;
  --success: #4caf50;
  --radius: 10px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* Logos partenaires — fond flou animé (voir asset/js/bg-logos.js) */
.bg-logos {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Voile léger derrière le contenu (sous les logos, pas par-dessus) */
.bg-logos::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(
    ellipse 90% 80% at 50% 40%,
    rgba(10, 10, 10, 0.15) 0%,
    rgba(10, 10, 10, 0.55) 100%
  );
  pointer-events: none;
}

.bg-logo {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  height: auto;
  max-width: none;
  border-radius: 12px;
  filter: blur(2.5px) saturate(1.1);
  opacity: var(--bg-logo-opacity, 0.38);
  mix-blend-mode: lighten;
  will-change: transform;
  user-select: none;
}

.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

@media (prefers-reduced-motion: reduce) {
  .bg-logos {
    display: none;
  }
}

@media (max-width: 640px) {
  .bg-logo {
    filter: blur(2px) saturate(1.1);
    opacity: 0.3;
  }
}

/* Header / Footer */
.site-header, .site-footer {
  text-align: center;
  margin-bottom: 32px;
}

.site-footer { margin-top: 40px; margin-bottom: 0; }

.header-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.header-logo {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
}

.header-logo--beuz { max-height: 88px; }
.header-logo--favre { max-height: 64px; }

.header-logos__divider {
  width: 1px;
  height: 64px;
  background: rgba(255, 255, 255, 0.35);
}

.header-presents {
  margin-top: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .header-logos { gap: 16px; }
  .header-logo--beuz { max-height: 60px; }
  .header-logo--favre { max-height: 42px; }
  .header-logos__divider { height: 44px; }
}

.sponsors-banner {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.recaptcha-notice {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.recaptcha-notice a {
  color: var(--text-muted);
  text-decoration: underline;
}

.recaptcha-notice a:hover {
  color: var(--accent);
}

/* Form container */
.form-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}

/* Progress */
.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 20%;
  transition: width var(--transition);
}

.step-indicator {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Steps */
.form-step {
  display: none;
  animation: fadeOut 0.2s ease forwards;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

.form-step.leaving {
  display: block;
  animation: fadeOut 0.25s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-20px); }
}

.form-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-step:has(.radio-group) .step-title {
  margin-bottom: 4px;
}

.event-info {
  font-size: 1rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.intro-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Fields */
.field-group {
  margin-bottom: 20px;
}

.field-group--solo {
  margin-bottom: 0;
}

.field-group--solo label {
  font-size: 1rem;
  margin-bottom: 12px;
}

.field-group--solo input {
  width: 100%;
  padding: 16px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field-group--solo input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.2);
}

.field-group--solo input.invalid {
  border-color: var(--error);
}

.phone-input-group {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.phone-input-group select.dial-select {
  flex: 0 0 min(280px, 46%);
  max-width: 100%;
  padding: 14px 36px 14px 12px;
  background-color: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
  line-height: 1.35;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.phone-input-group select.dial-select option {
  background: #1a1a1a;
  color: var(--text);
  padding: 8px;
}

.phone-input-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.2);
}

.phone-input-group input {
  flex: 1;
  min-width: 0;
  padding: 16px 18px;
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.phone-input-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.2);
}

.phone-input-group.invalid select,
.phone-input-group.invalid input {
  border-color: var(--error);
}

.field-group label,
.radio-group legend {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.required { color: var(--accent); }

.field-group input[type="text"],
.field-group input[type="tel"],
.field-group input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.2);
}

.field-group input.invalid,
.radio-group.invalid {
  border-color: var(--error);
}

/* Questions à choix — réponses en blocs (pas liste) */
.radio-group {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.radio-group legend {
  width: 100%;
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 20px;
  padding: 0;
  line-height: 1.5;
  color: var(--text);
}

.option-blocks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}

.option-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  min-height: 88px;
  height: 100%;
  padding: 14px 16px;
  margin: 0;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.15s;
  font-size: 0.88rem;
  background: #1a1a1a;
  user-select: none;
  box-sizing: border-box;
}

.option-block:hover {
  border-color: rgba(245, 130, 32, 0.6);
  background: #222;
}

.option-block:active {
  transform: scale(0.99);
}

.option-block input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border: 2px solid #888;
  border-radius: 50%;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  transition: border-color 0.2s, background 0.2s;
  pointer-events: none;
}

.option-block:has(input:checked) {
  border-color: var(--accent);
  background: rgba(245, 130, 32, 0.1);
  box-shadow: 0 0 0 1px rgba(245, 130, 32, 0.25);
}

.option-block:has(input:checked) input[type="radio"] {
  border-color: #fff;
  background: radial-gradient(circle, #fff 0 5px, transparent 6px);
}

.option-block:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.option-text {
  flex: 1;
  line-height: 1.4;
  font-weight: 400;
  color: var(--text);
  width: 100%;
}

/* Champ « Autre » sur toute la largeur sous la grille */
.radio-group .autre-input {
  grid-column: 1 / -1;
}

.radio-group {
  display: grid;
  grid-template-columns: 1fr;
}

.radio-group legend {
  grid-column: 1 / -1;
}

.radio-group .option-blocks {
  grid-column: 1 / -1;
}

.radio-group .field-error {
  grid-column: 1 / -1;
}

.radio-group.invalid .option-blocks {
  box-shadow: 0 0 0 1px var(--error);
  border-radius: 10px;
  padding: 4px;
}

.autre-input {
  display: block;
  width: 100%;
  padding: 16px 20px;
  margin-top: 12px;
  background: #1a1a1a;
  border: 1px solid #3a3a3a;
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  box-sizing: border-box;
}

.autre-input:not([hidden]) {
  animation: fadeIn 0.3s ease forwards;
}

.autre-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.2);
}

/* Privacy notice */
.privacy-notice {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 20px 0 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.privacy-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.privacy-notice a {
  color: var(--accent);
  text-decoration: none;
}

.privacy-notice a:hover {
  text-decoration: underline;
}

/* Checkbox consent */
.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 20px;
}

.consent-label input {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Recap */
.recap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 8px;
}

.recap-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  gap: 12px;
}

.recap-row:last-child { border-bottom: none; }

.recap-label {
  color: var(--text-muted);
  flex-shrink: 0;
}

.recap-value {
  text-align: right;
  font-weight: 500;
}

/* Errors */
.field-error {
  display: block;
  color: var(--error);
  font-size: 0.82rem;
  margin-top: 6px;
  min-height: 0;
}

.field-error:not(:empty) { min-height: 1.2em; }

/* Submit status */
.submit-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
}

.submit-status.visible { display: block; }

.submit-status.success {
  background: rgba(76, 175, 80, 0.15);
  border: 1px solid var(--success);
  color: var(--success);
}

.submit-status.error {
  background: rgba(255, 68, 68, 0.15);
  border: 1px solid var(--error);
  color: var(--error);
}

/* Navigation buttons */
.form-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.btn {
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, opacity 0.2s;
}

.btn:active { transform: scale(0.97); }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  margin-left: auto;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--text-muted);
  color: var(--text);
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Responsive — grille des réponses */
@media (max-width: 1024px) {
  .option-blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .option-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .option-block {
    min-height: 80px;
    font-size: 0.9rem;
  }
}

@media (max-width: 640px) {
  .phone-input-group {
    flex-direction: column;
  }

  .phone-input-group select.dial-select {
    flex: 1 1 auto;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-wrapper {
    max-width: 100%;
  }

  .form-container { padding: 24px 16px; }
  .form-title { font-size: 1.25rem; }
  .btn { padding: 12px 20px; font-size: 0.95rem; }
  .recap-row { flex-direction: column; gap: 2px; }
  .recap-value { text-align: left; }

  .option-blocks {
    grid-template-columns: 1fr;
  }

  .option-block {
    flex-direction: row;
    align-items: center;
    min-height: 56px;
  }
}