/* =============================================
   ACADEMIA DE CONDUCTORES FMA — Estilos
   Paleta: #f5c400 / #000000 / #ffffff
   ============================================= */

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

:root {
  --yellow:  #f5c400;
  --yellow2: #e0b000;
  --black:   #000000;
  --white:   #ffffff;
  --gray-50: #fafafa;
  --gray-100:#f3f3f3;
  --gray-200:#e5e5e5;
  --gray-400:#9ca3af;
  --gray-600:#4b5563;
  --gray-800:#1f2937;
  --red:     #dc2626;
  --green:   #16a34a;
  --radius:  6px;
  --shadow:  0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --transition: .18s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.55;
  min-height: 100vh;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--black);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.logo-area { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 1.8rem; }
.logo-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); }
.logo-sub { font-size: 1.4rem; font-weight: 700; color: var(--yellow); letter-spacing: .05em; }
.header-tag {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  background: var(--yellow);
  color: var(--black);
  padding: 4px 12px;
  border-radius: 50px;
  font-weight: 600;
}
.progress-bar-wrap { height: 4px; background: rgba(255,255,255,.1); }
.progress-bar { height: 4px; background: var(--yellow); width: 0%; transition: width .4s ease; }

/* ===== MAIN ===== */
.main-wrap { max-width: 860px; margin: 32px auto 60px; padding: 0 16px; }

/* ===== SECTIONS ===== */
.form-section {
  background: var(--white);
  border-radius: 10px;
  padding: 28px 28px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--yellow);
}
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-num {
  background: var(--yellow);
  color: var(--black);
  font-size: .85rem;
  font-weight: 800;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.section-desc { font-size: .9rem; color: var(--gray-600); margin-bottom: 16px; }

/* ===== GRIDS ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .form-section { padding: 20px 16px; }
  .header-tag { display: none; }
}

/* ===== CAMPOS ===== */
.field-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 16px; }
.field-group:last-child { margin-bottom: 0; }

label { font-size: .85rem; font-weight: 600; color: var(--gray-800); }
.req { color: var(--red); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: .95rem;
  color: var(--gray-800);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(245,196,0,.2);
}
input.valid  { border-color: var(--green); }
input.error, select.error { border-color: var(--red); }
select { cursor: pointer; }
select:disabled { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; }

.field-hint  { font-size: .78rem; color: var(--gray-400); }
.field-error { font-size: .78rem; color: var(--red); font-weight: 500; min-height: 16px; display: block; }

.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8  { margin-bottom: 8px; }
.block { display: block; }

/* ===== RADIO & CHECKBOX ===== */
.radio-inline { display: flex; flex-wrap: wrap; gap: 12px; }
.radio-opt {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  padding: 7px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 50px;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}
.radio-opt:has(input:checked) {
  border-color: var(--yellow);
  background: rgba(245,196,0,.1);
}
.radio-opt input[type="radio"] { accent-color: var(--yellow); width: 15px; height: 15px; }

.checkbox-label {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .9rem;
  line-height: 1.5;
  cursor: pointer;
  padding: 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}
.checkbox-label:has(input:checked) {
  border-color: var(--yellow);
  background: rgba(245,196,0,.08);
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--yellow);
  cursor: pointer;
}

/* ===== TARJETAS DE LICENCIA ===== */
.license-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 8px;
}
.license-card {
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  user-select: none;
  position: relative;
}
.license-card:hover { border-color: var(--yellow); transform: translateY(-1px); }
.license-card.selected {
  border-color: var(--yellow);
  background: rgba(245,196,0,.12);
}
.license-card input[type="checkbox"] {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 16px;
  height: 16px;
  accent-color: var(--yellow);
  cursor: pointer;
}
.lc-badge {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  font-weight: 800;
  font-size: 1.2rem;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.lc-title { font-size: .82rem; font-weight: 600; color: var(--gray-800); margin-bottom: 4px; }
.lc-detail { font-size: .75rem; color: var(--gray-600); line-height: 1.4; }

/* ===== CANVAS FIRMA ===== */
.canvas-wrap {
  border: 2px dashed var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  background: var(--gray-50);
  cursor: crosshair;
  transition: border-color var(--transition);
  max-width: 100%;
}
.canvas-wrap:hover { border-color: var(--yellow); }
canvas { display: block; width: 100%; height: auto; touch-action: none; }

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
  text-decoration: none;
}
.btn-primary {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn-primary:hover {
  background: var(--yellow2);
  border-color: var(--yellow2);
  box-shadow: 0 4px 12px rgba(245,196,0,.4);
}
.btn-primary:active { transform: translateY(1px); }
.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--gray-200);
}
.btn-outline:hover { border-color: var(--yellow); background: rgba(245,196,0,.06); }
.btn-sm  { padding: 6px 14px; font-size: .82rem; }
.btn-lg  { padding: 14px 36px; font-size: 1.05rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== SUBMIT AREA ===== */
.submit-area { text-align: center; margin-top: 8px; }

/* ===== SPINNER ===== */
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(0,0,0,.2);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SUCCESS / ERROR BOX ===== */
.success-box {
  text-align: center;
  background: #f0fdf4;
  border: 2px solid var(--green);
  border-radius: 10px;
  padding: 36px 28px;
  margin-top: 16px;
}
.success-icon {
  width: 56px; height: 56px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.success-box h3 { font-size: 1.25rem; margin-bottom: 8px; color: var(--green); }
.success-box p  { color: var(--gray-600); font-size: .92rem; }

.error-box {
  background: #fef2f2;
  border: 2px solid var(--red);
  border-radius: 8px;
  padding: 14px 18px;
  color: var(--red);
  margin-top: 12px;
  font-size: .9rem;
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: .8rem;
  color: var(--gray-400);
  border-top: 1px solid var(--gray-200);
  background: var(--white);
}

/* ===== UTILS ===== */
.hidden { display: none !important; }