/* ===== PALETA DE COLORES ===== */
:root {
    --primary: #0F3B66;
    --primary-light: #1a5a8f;
    --secondary: #10B981;
    --light-bg: #E8F0F8;
    --white: #FFFFFF;
    --dark: #1F2937;
    --gray: #6B7280;
    --border: #D1D5DB;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light-bg);
    color: var(--dark);
    margin: 0;
    padding: 0;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* ===== NAVBAR CON HAMBURGUESA ===== */
.site-nav {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.brand {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.brand:hover {
    color: var(--secondary);
}

.brand i {
    font-size: 28px;
    color: var(--secondary);
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-list a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-list a:hover {
    color: var(--secondary);
    background: var(--light-bg);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 28px;
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s;
}

.nav-toggle:hover {
    color: var(--secondary);
}

/* ===== RESPONSIVE NAVBAR ===== */
@media (max-width: 768px) {
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        gap: 0;
        padding: 20px;
        border-top: 2px solid var(--secondary);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        animation: slideDown 0.3s ease;
    }
    
    .nav-list.open { 
        display: flex; 
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list a {
        display: block;
        padding: 12px 16px;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-list li:last-child a {
        border-bottom: none;
    }
    
    .nav-toggle { 
        display: block; 
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 60px 0;
}

.contact-header {
    text-align: center;
    margin-bottom: 50px;
}

.contact-header h1 {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 15px;
}

.contact-header p {
    font-size: 18px;
    color: var(--gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* ===== CONTACT INFO CARD ===== */
.contact-info-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.contact-info-card h2 {
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 10px;
}

.contact-info-card > p {
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: var(--light-bg);
    border-radius: 8px;
    transition: all 0.3s;
}

.contact-method:hover {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--secondary);
}

.contact-method i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-method-content h3 {
    color: var(--primary);
    font-size: 14px;
    margin: 0 0 5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-method-content p {
    margin: 0;
    color: var(--gray);
    font-size: 14px;
}

.response-time {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 4px;
}

.contact-method-content a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.contact-method-content a:hover {
    color: var(--primary);
}

/* ===== SOCIAL LINKS ===== */
.social-links {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.social-links p {
    color: var(--gray);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--light-bg);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 18px;
}

.social-icon:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-3px);
}

/* ===== FORM CARD ===== */
.form-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.form-card h2 {
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 10px;
}

.form-card > p {
    color: var(--gray);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    color: var(--dark);
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 59, 102, 0.3);
}

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

.form-message {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid var(--secondary);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #7f1d1d;
    border: 1px solid #ef4444;
    display: block;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 50px 0 20px;
    margin-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h6 {
    color: var(--secondary);
    margin-bottom: 15px;
}

.footer-col p, .footer-col a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
}

.footer-col a:hover {
    color: var(--secondary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-credit {
    opacity: 0.6;
    font-size: 13px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; }
    .contact-header h1 { font-size: 32px; }
}