/* ==========================================
   Club Sport – Formulaire d'inscription
   Palette beige / nude, typographie élégante
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600&family=Jost:wght@300;400;500&display=swap');

:root {
  --csf-bg:       #faf8f5;
  --csf-card:     #ffffff;
  --csf-border:   #e5ddd3;
  --csf-sand:     #d4c4b0;
  --csf-brown:    #6b5744;
  --csf-dark:     #2c2420;
  --csf-accent:   #c09a6a;
  --csf-warm:     #e8d5b0;
  --csf-text:     #3d2e24;
  --csf-muted:    #8a7060;
  --csf-success:  #5a7a5a;
  --csf-error-bg: #fdf0ec;
  --csf-error-c:  #a04030;
  --csf-radius:   16px;
  --csf-shadow:   0 20px 60px rgba(44,28,20,.10), 0 4px 16px rgba(44,28,20,.06);
}

/* Wrapper */
.csf-wrapper {
  max-width: 540px;
  margin: 0 auto;
  font-family: 'Jost', sans-serif;
}

/* Card */
.csf-card {
  background: var(--csf-card);
  border: 1px solid var(--csf-border);
  border-radius: var(--csf-radius);
  box-shadow: var(--csf-shadow);
  overflow: hidden;
  animation: csf-rise .5s cubic-bezier(.4,0,.2,1) both;
}

@keyframes csf-rise {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}

/* Header */
.csf-header {
  position: relative;
  padding: 40px 44px 32px;
  background: var(--csf-dark);
  overflow: hidden;
}
.csf-deco {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192,154,106,.25) 0%, transparent 70%);
  pointer-events: none;
}
.csf-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px;
  font-weight: 500;
  color: var(--csf-warm);
  margin: 0 0 10px;
  letter-spacing: -.01em;
  line-height: 1.2;
  position: relative;
}
.csf-subtitle {
  font-size: 14px;
  color: #a89880;
  margin: 0;
  font-weight: 300;
  line-height: 1.6;
  position: relative;
}

/* Body */
.csf-body {
  padding: 36px 44px 40px;
}

/* Champs */
.csf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.csf-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
}
.csf-field label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--csf-muted);
}
.csf-req { color: var(--csf-accent); }

.csf-field input,
.csf-field textarea {
  border: 1.5px solid var(--csf-border);
  border-radius: 9px;
  padding: 12px 16px;
  font-size: 15px;
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  color: var(--csf-text);
  background: var(--csf-bg);
  transition: border-color .25s, background .25s, box-shadow .25s;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  -webkit-appearance: none;
}
.csf-field input:focus,
.csf-field textarea:focus {
  border-color: var(--csf-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(192,154,106,.12);
}
.csf-field input::placeholder,
.csf-field textarea::placeholder { color: var(--csf-sand); }
.csf-field textarea { resize: vertical; min-height: 88px; }

/* Erreur */
.csf-error {
  background: var(--csf-error-bg);
  border: 1px solid #f0c8b8;
  border-radius: 9px;
  padding: 12px 16px;
  color: var(--csf-error-c);
  font-size: 14px;
  margin-bottom: 20px;
  animation: csf-shake .35s ease;
}
@keyframes csf-shake {
  0%,100% { transform: translateX(0); }
  20%,60%  { transform: translateX(-5px); }
  40%,80%  { transform: translateX(5px); }
}

/* Bouton */
.csf-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--csf-dark);
  color: var(--csf-warm);
  border: none;
  border-radius: 10px;
  padding: 16px 24px;
  font-family: 'Jost', sans-serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, transform .15s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.csf-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.07) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .5s ease;
}
.csf-btn:hover::before { transform: translateX(100%); }
.csf-btn:hover { background: var(--csf-brown); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(44,28,20,.2); }
.csf-btn:active { transform: translateY(0); }
.csf-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.csf-btn-arrow { font-size: 18px; transition: transform .25s; }
.csf-btn:hover .csf-btn-arrow { transform: translateX(4px); }

/* Loader */
.csf-btn-loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(232,213,176,.3);
  border-top-color: var(--csf-warm);
  border-radius: 50%;
  animation: csf-spin .7s linear infinite;
}
@keyframes csf-spin { to { transform: rotate(360deg); } }

/* Légal */
.csf-legal {
  text-align: center;
  font-size: 11px;
  color: var(--csf-sand);
  margin: 16px 0 0;
  line-height: 1.5;
}

/* Succès */
.csf-success-card {
  padding: 56px 44px;
  text-align: center;
}
.csf-success-icon {
  width: 72px;
  height: 72px;
  color: var(--csf-success);
  margin: 0 auto 24px;
  animation: csf-pop .6s cubic-bezier(.17,.67,.37,1.4) both;
}
@keyframes csf-pop {
  from { transform: scale(0); opacity:0; }
  to   { transform: scale(1); opacity:1; }
}
.csf-success-icon svg { width: 100%; height: 100%; }
#csf-success-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--csf-dark);
  margin: 0 0 12px;
}
#csf-success-msg {
  color: var(--csf-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 24px;
}
.csf-success-details {
  background: var(--csf-bg);
  border: 1px solid var(--csf-border);
  border-radius: 10px;
  padding: 16px 24px;
  text-align: left;
  font-size: 14px;
  color: var(--csf-text);
  line-height: 2;
}

/* Responsive */
@media (max-width: 560px) {
  .csf-header { padding: 28px 24px 24px; }
  .csf-title  { font-size: 26px; }
  .csf-body   { padding: 28px 24px 32px; }
  .csf-row    { grid-template-columns: 1fr; }
  .csf-success-card { padding: 40px 24px; }
}