/* ===== Paleta ===== */
:root{
  --azul: #0047AB;
  --azul-700: #003985;
  --azul-050: #e9f1ff;
  --gris-900: #1a1a1a;
  --gris-600: #666;
  --gris-200: #e5e7eb;
  --blanco: #fff;
  --focus: #2b6cb0;
}

/* ===== Reset mínimo & tipografía ===== */
*{ box-sizing: border-box; }
html, body { height: 100%; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: var(--gris-900);
  background: linear-gradient(180deg, var(--azul-050) 0%, #f7f9ff 100%);
}

/* ===== Encabezado ===== */
.c-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px 8px;
}
.c-logo {
  width: 110px;
  height: auto;
  display: block;
  margin: 0 auto 8px;
}
.c-title {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .02em;
  color: var(--gris-600);
  font-weight: 600;
}
.c-subtitle {
  margin: 4px 0 0;
  font-size: 1rem;
  color: var(--gris-600);
  font-weight: 600;
}
.c-formtitle {
  margin: 12px 0 0;
  font-size: 1.35rem;
  color: var(--azul);
  font-weight: 800;
}

/* ===== Layout ===== */
.c-main {
  padding: 16px;
  display: grid;
  place-items: start center;
}
.card {
  width: 100%;
  max-width: 720px;
  background: var(--blanco);
  border-radius: 16px;
  box-shadow:
    0 2px 6px rgba(0,0,0,.06),
    0 12px 24px rgba(0,0,0,.06);
  padding: 20px;
  border: 1px solid var(--gris-200);
}

.intro {
  margin-top: 0;
  margin-bottom: 16px;
  line-height: 1.5;
}

/* ===== Formulario ===== */
.c-form {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-row label {
  flex: 0 0 40%;
  text-align: left;
  font-weight: 700;
  color: var(--gris-900);
}

.form-row input {
  flex: 1;
  width: 100%;
  max-width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1.5px solid var(--gris-200);
  border-radius: 10px;
  background: #fcfdff;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input:focus {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(43,108,176,.18);
}

input:invalid:focus {
  border-color: #d93025;
  box-shadow: 0 0 0 3px rgba(217,48,37,.18);
}

/* Honeypot oculto */
.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* Acciones */
.form-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 6px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .05s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--azul);
  color: var(--blanco);
  box-shadow: 0 6px 14px rgba(0,71,171,.25);
}
.btn-primary:hover {
  background: var(--azul-700);
}
.btn-secondary {
  background: #eef2ff;
  color: var(--azul);
  border: 1px solid #dbe4ff;
}
.btn-secondary:hover {
  background: #e6ecff;
}

/* Nota */
.form-hint {
  margin: 6px 0 0;
  font-size: .95rem;
  color: var(--gris-600);
}

/* ===== Responsivo ===== */
@media (max-width: 640px){
  .c-formtitle { font-size: 1.2rem; }
  .card { padding: 16px; border-radius: 14px; }

  /* En móvil, apilamos label arriba */
  .form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .form-row label {
    flex: none;
    width: 100%;
    margin-bottom: 4px;
  }

  .form-row input {
    width: 100%;
  }

  .form-actions { grid-template-columns: 1fr; }
  input { padding: 11px 12px; font-size: 1rem; }
}

/* ===== Alineación en pantallas medianas ===== */
@media (max-width: 768px) {
  .c-title,
  .c-subtitle,
  .c-formtitle {
    text-align: center;
    width: 100%;
  }

  .c-header {
    padding: 1rem 0.5rem;
  }

  .c-form {
    padding: 0.5rem;
  }

  .form-row input {
    font-size: 0.95rem;
  }
}