/* =========================================
   INSCRIPTION — Cars & Coffee Trofeo
   ========================================= */

html, body {
  min-height: 100%;
  background: #001020;
  color: #fff;
}

body {
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ── Back link ── */
.back-link {
  position: fixed;
  top: 1.6rem;
  left: 1.6rem;
  z-index: 100;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: color 0.25s ease;
}
.back-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ── Main layout ── */
.insc-main {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  gap: 2.5rem;
}

/* ── Header ── */
.insc-header {
  text-align: center;
}

.insc-label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-brand);
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.insc-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.8rem;
  clip-path: inset(0 100% 0 0);
  animation: reveal-clip 1.1s var(--ease-out) 0.25s forwards;
}

@keyframes reveal-clip {
  to { clip-path: inset(0 0% 0 0); }
}

.insc-meta {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

/* ── Form container ── */
.form-container {
  width: 100%;
  max-width: 660px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 2.75rem 3rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

/* ── Fields grid ── */
.fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
}

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

/* ── Field ── */
.field-label {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-brand);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.field-optional {
  color: rgba(255, 255, 255, 0.22);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: none;
  font-weight: 400;
}

.field-wrap {
  position: relative;
}

.field-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  padding: 0.6rem 0;
  outline: none;
  transition: border-color 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}

.field-input::placeholder {
  color: rgba(255, 255, 255, 0.18);
}

.field-select {
  cursor: pointer;
}

.field-select option {
  background: #001530;
  color: #fff;
}

/* Ligne animée au focus */
.field-line {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 100%;
  background: var(--color-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
  pointer-events: none;
}

.field-input:focus ~ .field-line {
  transform: scaleX(1);
}

/* Erreur de validation */
.field-input.error {
  border-bottom-color: #e53935;
}

.field-input.error ~ .field-line {
  background: #e53935;
  transform: scaleX(1);
}

.field-error {
  display: block;
  font-size: 0.62rem;
  color: #e53935;
  letter-spacing: 0.04em;
  margin-top: 0.4rem;
  min-height: 1em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.field-error.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Stepper ── */
.stepper {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.stepper-btn {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.stepper-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.38);
  color: #fff;
}

.stepper-btn:disabled {
  opacity: 0.22;
  cursor: not-allowed;
}

.stepper-val {
  font-size: 1.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
  min-width: 2rem;
  text-align: center;
  line-height: 1;
  display: inline-block;
}

/* ── Honeypot (invisible humains, bots le remplissent) ── */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
}

/* ── Form footer ── */
.form-footer {
  margin-top: 2.5rem;
  display: flex;
  justify-content: flex-end;
}

/* ── Submit button ── */
.submit-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 2.1rem;
  background: var(--color-brand);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.submit-btn:hover {
  opacity: 0.84;
}

.submit-fill {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.14);
  transform: translateX(-101%);
  transition: transform 0.42s var(--ease-out);
  pointer-events: none;
}

.submit-btn:hover .submit-fill {
  transform: translateX(0);
}

/* ── Success state ── */
.success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  max-width: 420px;
}

.success-state.visible {
  display: flex;
}

.success-icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-brand);
}

.success-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
}

.success-msg {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.5);
}

.success-back-btn {
  margin-top: 0.5rem;
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .fields-grid {
    grid-template-columns: 1fr;
  }

  .form-container {
    padding: 1.75rem 1.4rem;
  }

  .insc-main {
    padding: 5rem 1rem 3rem;
    gap: 2rem;
  }

  .insc-title {
    clip-path: none;
    animation: none;
    opacity: 1;
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}