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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #87CEEB 0%, #5BA3C7 100%);
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

/* Header con imagen */
.header {
    background: linear-gradient(135deg, #1a8cba 0%, #0d6b8f 100%);
    padding: 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.header-image {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    display: block;
}

.header h1 {
    color: white;
    padding: 20px;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    background: rgba(26, 140, 186, 0.9);
    margin: 0;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
}

.form-section {
    padding: 20px;
    border-bottom: 1px solid #e0e8f0;
    background: white;
}

.form-section h2 {
    color: #1a8cba;
    margin-bottom: 20px;
    font-size: 18px;
    border-left: 4px solid #FFD700;
    padding-left: 12px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 14px;
}

.form-group label.required:after {
    content: " *";
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #dce4ec;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8fafc;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a8cba;
    background: white;
    box-shadow: 0 0 0 3px rgba(26, 140, 186, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #7f8c8d;
}

/* Estilos para los select desplegables */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a8cba' stroke-width='2' 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 12px center;
    background-size: 20px;
}

/* Estilos para las secciones de fotos */
.photo-group {
    margin-bottom: 25px;
    background: #f0f8ff;
    padding: 15px;
    border-radius: 12px;
}

.photo-group h3 {
    color: #1a8cba;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.photo-group h3:before {
    content: "📸";
    font-size: 18px;
}

.photo-item {
    margin-bottom: 20px;
}

.photo-item label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 13px;
}

.photo-item input[type="file"] {
    width: 100%;
    padding: 12px;
    border: 2px dashed #FFD700;
    border-radius: 10px;
    background: white;
    cursor: pointer;
    font-size: 14px;
    color: #1a8cba;
}

.photo-item input[type="file"]:hover {
    background: #fffef5;
    border-color: #f0b300;
}

.photo-preview {
    margin-top: 12px;
    text-align: center;
}

.photo-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border: 3px solid #FFD700;
}

/* Botón de enviar con sombra */
.submit-btn {
    width: calc(100% - 40px);
    margin: 20px;
    padding: 16px;
    background: linear-gradient(135deg, #FFD700 0%, #f0b300 100%);
    color: #2c3e50;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 215, 0, 0.4);
}

.submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

/* Mensajes de notificación */
.mensaje {
    padding: 15px;
    margin: 0 20px 20px 20px;
    border-radius: 10px;
    display: none;
    font-weight: 500;
    text-align: center;
}

.mensaje.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-left: 4px solid #28a745;
}

.mensaje.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-left: 4px solid #dc3545;
}

/* Indicadores de campo requerido */
.form-group input:invalid,
.form-group select:invalid {
    border-color: #ffcdd2;
}

/* Estilos para inputs numéricos */
input[type="tel"] {
    letter-spacing: 0.5px;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    body {
        padding: 0;
    }
    
    .container {
        border-radius: 0;
        margin: 0;
    }
    
    .form-section {
        padding: 16px;
    }
    
    .header h1 {
        font-size: 20px;
        padding: 15px;
    }
    
    .header-image {
        max-height: 150px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
        padding: 10px;
    }
    
    .photo-group {
        padding: 12px;
    }
    
    .photo-preview img {
        max-height: 150px;
    }
    
    .submit-btn {
        font-size: 16px;
        padding: 14px;
        margin: 16px;
        width: calc(100% - 32px);
    }
    
    .mensaje {
        margin: 0 16px 16px 16px;
        font-size: 14px;
    }
}

/* Ajustes para pantallas muy pequeñas */
@media (max-width: 480px) {
    .form-section h2 {
        font-size: 16px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .photo-group h3 {
        font-size: 14px;
    }
    
    .photo-item label {
        font-size: 12px;
    }
}

/* Animación de carga para el botón */
.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Estilo para los placeholders */
::placeholder {
    color: #bdc3c7;
    font-size: 14px;
}

/* Mejora de contraste para inputs en móviles */
@media (hover: none) {
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Previene el zoom automático en iOS */
    }
    
    .submit-btn {
        -webkit-tap-highlight-color: transparent;
    }
}