/* Variables de Color: Azul oscuro, verde oscuro y blanco */
:root {
    --primary-blue: #0A2540;     /* Azul oscuro */
    --secondary-green: #0F4C3A;   /* Verde oscuro */
    --accent-green: #20C997;      /* Verde acento */
    --white: #FFFFFF;
    --light-bg: #F8F9FA;
    --text-main: #333333;
    --text-muted: #666666;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }
.w-100 { width: 100%; }
.bg-light { background-color: var(--light-bg); }
.bg-dark { background-color: var(--primary-blue); color: var(--white); }
.text-green { color: var(--secondary-green); }
.text-blue { color: var(--primary-blue); }

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--secondary-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-green);
    transform: translateY(-2px);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Header & Nav */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    max-height: 95px;
    width: auto;
}

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

.nav-links li a {
    font-weight: 600;
    color: var(--primary-blue);
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--accent-green);
}

.btn-nav {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 8px 18px;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: var(--secondary-green);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--primary-blue);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}
.bg-dark .section-title h2 { color: var(--white); }

.section-title p {
    font-size: 1.1rem;
    color: var(--secondary-green);
    font-weight: 600;
}
.bg-dark .section-title p { color: var(--accent-green); }

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--primary-blue);
    background-image: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    text-align: center;
    padding-top: 90px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100%" height="100%" fill="url(#dots)"/></svg>');
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Cards & Lists */
.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.feature-list i { color: var(--secondary-green); margin-top: 5px; }

.services-box {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--secondary-green);
}
.services-box ul li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}
.services-box ul li:last-child { border-bottom: none; }
.services-box ul li::before {
    content: "→";
    color: var(--accent-green);
    margin-right: 10px;
    font-weight: bold;
}

.card {
    background-color: var(--white);
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: var(--transition);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.card-icon {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-gray);
    margin-bottom: 15px;
}
.card.border-green { border-bottom: 4px solid var(--secondary-green); }
.card.border-blue { border-bottom: 4px solid var(--primary-blue); }
.card h4 { color: var(--primary-blue); margin-bottom: 15px; }
.card ul li { padding: 5px 0; font-size: 0.9rem; border-bottom: 1px solid #eee; }

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}
.tags-list li {
    background-color: rgba(255,255,255,0.1);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(255,255,255,0.2);
}

/* Accordion */
.accordion-item {
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 10px;
    border-radius: 4px;
}
.accordion-header {
    width: 100%;
    text-align: left;
    padding: 15px;
    background: rgba(255,255,255,0.05);
    color: var(--white);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
}
.accordion-header:after {
    content: '+';
    font-weight: bold;
}
.accordion-header.active { background: rgba(255,255,255,0.1); }
.accordion-header.active:after { content: '-'; }
.accordion-content {
    padding: 0 15px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0,0,0,0.1);
}
.accordion-content p { padding: 15px 0; font-size: 0.95rem; }

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    overflow: hidden;
}

.contact-info {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 40px;
}
.contact-info h2 { margin-bottom: 10px; color: var(--accent-green); }

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}
.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-top: 3px;
}
.contact-item h4 { font-size: 1rem; margin-bottom: 5px; }
.contact-item p { font-size: 0.9rem; opacity: 0.8; }

.contact-form-container {
    padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-blue);
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: var(--transition);
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-green);
}

.footer {
    padding: 20px 0;
    font-size: 0.9rem;
}

/* Responsive */
@media(max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
}

@media(max-width: 768px) {
    .hamburger { display: block; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    
    .nav-links {
        position: fixed;
        left: -100%;
        top: 90px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }
    .nav-links.active { left: 0; }
    .nav-links li { margin: 15px 0; }
    
    .hero-content h1 { font-size: 2.5rem; }
}