:root {
    --primary: #0F2C59; /* Azul Profundo */
    --secondary: #00A9FF; /* Cian Tech */
    --accent: #25D366; /* WhatsApp Green */
    --bg-light: #F8F9FA;
    --text-dark: #333333;
    --text-muted: #666666;
    --white: #FFFFFF;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--primary);
}

/* Utils */
.text-center { text-align: center; }
.mt-3 { margin-top: 15px; }
.mt-5 { margin-top: 50px; }
.mb-3 { margin-bottom: 15px; }
.mb-5 { margin-bottom: 50px; }
.d-inline-block { display: inline-block; }
.section-padding { padding: 80px 0; }
.bg-light { background-color: var(--bg-light); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #174287 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(15, 44, 89, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 44, 89, 0.3);
    color: var(--white);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-accent:hover {
    background-color: #1EBE55;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

/* Header & Menu */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links > a {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 15px;
    position: relative;
}

.nav-links > a:hover, .nav-links > a.active {
    color: var(--secondary);
}

.nav-links > a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary);
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown > a {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown > a.active {
    color: var(--secondary);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    min-width: 260px;
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    padding: 10px 0;
    z-index: 1;
    top: 100%;
    left: 0;
    border-top: 3px solid var(--secondary);
}

.dropdown-content a {
    color: var(--text-dark);
    padding: 12px 20px;
    display: block;
    font-size: 14px;
    border-bottom: 1px solid #eee;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: var(--bg-light);
    color: var(--secondary);
    padding-left: 25px;
}

.dropdown:hover .dropdown-content {
    display: block;
    animation: fadeIn 0.3s forwards;
}

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

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary);
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: var(--accent);
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 15px rgba(0,0,0,0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #1EBE55;
    color: #FFFFFF;
}

/* Footer */
.site-footer {
    background-color: var(--primary);
    color: var(--bg-light);
    padding: 60px 0 20px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer-brand p {
    color: #A0BDEB;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-socials a {
    color: var(--white);
    font-size: 20px;
    margin-right: 15px;
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.footer-socials a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.site-footer h3 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.site-footer h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.site-footer ul li {
    margin-bottom: 12px;
}

.site-footer ul a {
    color: #A0BDEB;
    font-size: 14px;
}

.site-footer ul a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-contact p {
    color: #A0BDEB;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    color: #A0BDEB;
    font-size: 14px;
}

/* Responsiveness */
@media (max-width: 991px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-soft);
        padding: 20px 0;
        align-items: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 25px;
        bottom: 20px;
        right: 20px;
    }
}