/* ========== PREVENTA ========== */
/* Sección de formulario de preventa con diseño creativo */

.preventa-section {
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

/* Header */
.preventa-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.preventa-header h2 {
    font-family: var(--font-titulo);
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.preventa-header p {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Contenedor del formulario - estilo tarjeta */
.preventa-card {
    background: #FFFFFF;
    border-radius: 40px;
    padding: 50px 60px;
    max-width: 550px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}

/* Borde decorativo dashed */
.preventa-card::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 3px dashed #E8B4B8;
    border-radius: 28px;
    pointer-events: none;
}

/* Intro del formulario */
.preventa-intro {
    text-align: center;
    margin-bottom: 35px;
}

.preventa-intro h3 {
    font-family: var(--font-titulo);
    font-size: 1.5rem;
    color: var(--marron);
    margin-bottom: 10px;
}

.preventa-intro .regalo {
    font-size: 1rem;
    color: #8B6F47;
    opacity: 0.9;
}

/* Campos del formulario */
.preventa-form .form-group {
    margin-bottom: 22px;
}

.preventa-form label {
    display: block;
    font-family: var(--font-titulo);
    font-size: 1rem;
    color: var(--marron);
    margin-bottom: 8px;
    font-weight: 700;
}

.preventa-form input {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-cuerpo);
    font-size: 1rem;
    border: 2px solid #E8E0D5;
    border-radius: 15px;
    background: #FDFCFA;
    color: var(--marron);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.preventa-form input::placeholder {
    color: #BBA88A;
}

.preventa-form input:focus {
    outline: none;
    border-color: #FF9AA2;
    box-shadow: 0 0 0 4px rgba(255, 154, 162, 0.15);
}

/* Botón submit - estilo corporativo */
.preventa-form .btn-preventa {
    width: 100%;
    padding: 18px 30px;
    margin-top: 15px;
    font-family: var(--font-titulo);
    font-size: 1.2rem;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(135deg, #FF9AA2 0%, #E8B4B8 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 154, 162, 0.4);
}

.preventa-form .btn-preventa:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 154, 162, 0.5);
}

.preventa-form .btn-preventa:active {
    transform: translateY(-1px);
}

/* Efecto brillo en el botón */
.preventa-form .btn-preventa::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.preventa-form .btn-preventa:hover::before {
    left: 100%;
}

/* Checkbox de aceptación */
.form-check {
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    position: relative;
    padding-left: 35px;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    top: 2px;
    height: 22px;
    width: 22px;
    background-color: #FDFCFA;
    border: 2px solid #E8B4B8;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.checkbox-label:hover .checkmark {
    border-color: #FF9AA2;
}

.checkbox-label input:checked ~ .checkmark {
    background-color: #FF9AA2;
    border-color: #FF9AA2;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-label input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-label .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-family: var(--font-cuerpo);
    font-size: 0.9rem;
    color: #8B6F47;
    line-height: 1.5;
}

.checkbox-text a {
    color: #FF9AA2;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s ease;
}

.checkbox-text a:hover {
    color: #E8B4B8;
    text-decoration: underline;
}

/* Mensaje de error del checkbox */
.checkbox-error {
    display: none;
    background: #e74c3c;
    color: #FFFFFF;
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 10px;
    padding: 10px 15px;
    border-radius: 8px;
    text-align: center;
}

.form-check.has-error .checkmark {
    border-color: #e74c3c;
    animation: shake 0.5s ease;
}

.form-check.has-error .checkbox-error {
    display: block;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* Texto pequeño debajo */
.preventa-nota {
    text-align: center;
    margin-top: 25px;
    font-size: 0.85rem;
    color: #8B6F47;
    opacity: 0.8;
}

/* Mensajes de estado del formulario */
.mensaje-estado {
    margin-top: 20px;
    padding: 15px 20px;
    border-radius: 10px;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
}

.mensaje-exito {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.mensaje-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Responsive */
@media (max-width: 768px) {
    .preventa-section {
        padding: 60px 0 80px;
    }
    
    .preventa-header h2 {
        font-size: 2.2rem;
    }
    
    .preventa-card {
        padding: 35px 25px;
        margin: 0 15px;
        border-radius: 30px;
    }
    
    .preventa-card::before {
        top: 10px;
        left: 10px;
        right: 10px;
        bottom: 10px;
        border-radius: 22px;
    }
    
    .preventa-intro p {
        font-size: 1.2rem;
    }
    
    .preventa-form input {
        padding: 14px 16px;
    }
    
    .preventa-form .btn-preventa {
        padding: 16px 25px;
        font-size: 1.1rem;
    }
}