/* ═══════════════════════════════════════════════════════
   ELECAF — STYLES.CSS
   Hoja de estilos para el formulario "Sumate al equipo de LK"
   y componentes reutilizables del sitio.
   Identidad: Helvetica + Azul #0057A4 + Blanco #F5F8FF
═══════════════════════════════════════════════════════ */

:root {
  --primary:       #0057A4;
  --primary-dark:  #003E7A;
  --primary-md:    #1A6BB8;
  --primary-light: #E6EFF8;
  --primary-xlt:   #F0F5FB;
  --bg:            #F5F8FF;
  --surface:       #FFFFFF;
  --text:          #0C1B2E;
  --text-muted:    #4F637A;
  --text-soft:     #8A9BAD;
  --border:        #D8E4EF;
  --border-hover:  #B8CDE2;
  --border-focus:  #0057A4;
  --error:         #DC2626;
  --error-light:   #FEE2E2;
  --success:       #16A34A;
  --success-light: #DCFCE7;
  --shadow-sm:     0 1px 2px rgba(12, 27, 46, 0.04);
  --shadow-md:     0 8px 24px rgba(0, 87, 164, 0.08);
  --shadow-lg:     0 16px 40px rgba(0, 87, 164, 0.18);
  --radius:        12px;
  --radius-sm:     8px;
  --radius-xs:     4px;
  --font:          'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* ─── SUMATE AL EQUIPO (SECCIÓN COMPLETA) ─────────────── */
#sumate {
  background: linear-gradient(180deg, #E8F2FF 0%, var(--primary-xlt) 30%, var(--bg) 70%) !important;
  padding: 7rem 5% 6rem;
  position: relative;
  overflow: hidden;
}

#sumate::before {
  content: '';
  position: absolute;
  top: 80px; right: -120px;
  width: 360px; height: 360px;
  border: 1.5px solid rgba(0, 87, 164, 0.08);
  border-radius: 6px;
  transform: rotate(45deg);
  pointer-events: none;
}

.sumate-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
  position: relative;
  z-index: 1;
}

.sumate-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1.1rem;
  justify-content: center;
}

.sumate-title {
  font-family: var(--font);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.2rem;
}
.sumate-title .accent { color: var(--primary); }

.sumate-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 580px;
  margin: 0 auto;
}

/* ─── FORM CARD ────────────────────────────────────── */
.form-card {
  background: linear-gradient(145deg, var(--surface) 0%, #F8FBFF 100%);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-card:focus-within {
  border-color: rgba(0,87,164,.3);
  box-shadow: 0 8px 44px rgba(0,87,164,.12), 0 0 0 3px rgba(0,87,164,.07);
}

.colab-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.field.full { grid-column: 1 / -1; }

.field label,
.group-label {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.req {
  color: var(--primary);
  font-weight: 700;
  margin-left: 2px;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-soft);
  opacity: 0.85;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--border-hover);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(0, 87, 164, 0.12);
}

.field textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.55;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230057A4' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.field select:invalid { color: var(--text-soft); }

.field input:not(:placeholder-shown):invalid,
.field textarea:not(:placeholder-shown):invalid {
  border-color: var(--error);
}
.field input:not(:placeholder-shown):valid,
.field textarea:not(:placeholder-shown):valid {
  border-color: var(--success);
}

.hint {
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-top: 0.2rem;
}

/* ─── RADIO GROUPS (Sí/No, Disponibilidad) ─────────── */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.radio-opt {
  flex: 1;
  min-width: 110px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
  user-select: none;
}

.radio-opt:hover {
  border-color: var(--border-hover);
  background: var(--primary-xlt);
}

.radio-opt input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--border-hover);
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  margin: 0;
  transition: border-color 0.2s, border-width 0.15s;
}

.radio-opt input[type="radio"]:checked {
  border-color: var(--primary);
  border-width: 5px;
  background: var(--surface);
}

.radio-opt:has(input[type="radio"]:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(0, 87, 164, 0.1);
}

/* ─── FILE INPUT (CV PDF) ──────────────────────────── */
.file-input {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--primary-xlt);
  border: 1.5px dashed var(--primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.file-input:hover {
  background: var(--primary-light);
  border-color: var(--primary-dark);
}

.file-input input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-md) 100%);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: background 0.2s;
}
.file-input:hover .file-btn {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}
.file-btn svg { width: 15px; height: 15px; }

.file-name {
  font-size: 0.88rem;
  color: var(--text-muted);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-name.has-file { color: var(--success); font-weight: 600; }
.file-name.error    { color: var(--error);   font-weight: 600; }

/* ─── SUBMIT BUTTON ────────────────────────────────── */
.submit-row {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 1rem 1.5rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-md) 100%);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-sm);
  transition: background 0.25s, transform 0.18s, box-shadow 0.25s;
}

.submit-btn svg { transition: transform 0.25s; }

.submit-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(0,87,164,.28);
}
.submit-btn:hover:not(:disabled) svg { transform: translateX(4px); }

.submit-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.submit-btn:focus-visible {
  outline: 3px solid rgba(0, 87, 164, 0.25);
  outline-offset: 2px;
}

.submit-btn:disabled {
  background: var(--text-soft);
  cursor: not-allowed;
  opacity: 0.7;
}

/* ─── FORM STATUS (success / error) ────────────────── */
.form-status {
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  display: none;
  font-weight: 500;
  text-align: center;
}
.form-status.success {
  display: block;
  background: var(--success-light);
  color: #14532D;
  border: 1px solid #86EFAC;
}
.form-status.error {
  display: block;
  background: var(--error-light);
  color: #7F1D1D;
  border: 1px solid #FCA5A5;
}

.privacy-note {
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: center;
  line-height: 1.5;
}

/* ─── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 768px) {
  #sumate { padding: 5.5rem 1.25rem 4.5rem; }
  #sumate::before { display: none; }
  .form-card { padding: 2rem 1.5rem; border-radius: 10px; }
  .form-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .radio-row { flex-direction: column; gap: 0.5rem; }
  .radio-opt { flex: none; }
  .field input,
  .field select,
  .field textarea { font-size: 16px; }
  .file-input { flex-wrap: wrap; }
  .file-name { width: 100%; flex-basis: 100%; }
}

@media (max-width: 420px) {
  .form-card { padding: 1.75rem 1.25rem; }
  .file-btn { font-size: 0.78rem; padding: 0.45rem 0.85rem; }
}