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

:root {
    --primary-red: #E31E24;
    --primary-dark: #B71C1C;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #E9ECEF;
    --dark-gray: #495057;
    --text-dark: #212529;
    --shadow: 0 4px 20px rgba(227, 30, 36, 0.15);
    --shadow-hover: 0 8px 30px rgba(227, 30, 36, 0.25);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    color: var(--text-dark);
}

/* Header corporativo */
.corporate-header {
    background: var(--primary-red);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 40px;
    width: auto;
}

.company-info {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.company-location {
    font-size: 12px;
    opacity: 0.9;
    margin: 0;
}

/* Container principal */
.main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 70px);
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.form-wrapper {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--medium-gray);
}

.header {
    text-align: center;
    margin-bottom: 35px;
}

.header h1 {
    color: var(--primary-red);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--dark-gray);
    font-size: 14px;
    font-weight: 400;
}

.cotizacion-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    margin-bottom: 5px;
}

.form-group input,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--dark-gray);
    opacity: 0.7;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    max-height: 200px;
}

.submit-btn {
    background: var(--primary-red);
    color: var(--white);
    border: none;
    padding: 18px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 15px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.info-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--medium-gray);
}

.info-footer p {
    color: var(--dark-gray);
    font-size: 13px;
    margin-bottom: 5px;
    opacity: 0.8;
}

/* Estilos específicos para inputs de teléfono */
input[type="tel"] {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

/* Mejoras visuales para la sección de vehículo */
.vehicle-section .form-group label {
    font-size: 14px;
    font-weight: 500;
}

/* Estilos para inputs de número */
input[type="number"] {
    text-align: center;
}

/* Mejorar espaciado entre secciones */
.form-group:first-child {
    margin-top: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .corporate-header {
        padding: 12px 15px;
    }
    
    .company-name {
        font-size: 16px;
    }
    
    .logo {
        height: 35px;
    }
    
    .main-container {
        padding: 15px;
        min-height: calc(100vh - 60px);
    }
    
    .form-wrapper {
        padding: 25px;
        border-radius: 12px;
    }
    
    .header h1 {
        font-size: 22px;
    }
    
    .submit-btn {
        padding: 16px 25px;
        font-size: 15px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 15px;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-wrapper {
    animation: fadeIn 0.6s ease-out;
}

/* Estados de validación */
.form-group input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--primary-red);
    background-color: rgba(227, 30, 36, 0.05);
}

.form-group input:valid:not(:focus):not(:placeholder-shown) {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.05);
}

/* Patente field styling */
#patente {
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    text-align: center;
}

/* Loading states */
.btn-loader {
    display: inline-block;
}