/* Reset y Variables */
:root {
    --primary-color: #0f5e9c;
    --secondary-color: #2a7fc1;
    --accent-color: #1e88e5;
    --dark-bg: #1a2332;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--gray-100);
}

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

/* Navigation */
.navbar {
    background-color: var(--dark-bg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    color: var(--text-light);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--dark-bg);
    list-style: none;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    margin-top: 0.5rem;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background-color: var(--secondary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1a2332 0%, #2a4a6a 50%, #0f5e9c 100%);
    color: var(--text-light);
    padding: 8rem 0 6rem;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(30, 136, 229, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(42, 127, 193, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 0L100 100M100 0L0 100" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
}

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

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.125rem;
    color: #6c757d;
    max-width: 700px;
    margin: 0 auto;
}

/* Video Section */
.video-section {
    background-color: white;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* Dashboard Section */
.dashboard-section {
    background-color: var(--gray-100);
}

.powerbi-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    background-color: white;
}

.powerbi-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* Feature Section */
.feature-section {
    background-color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card p {
    color: #6c757d;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Informes Section */
.informes-section {
    background-color: var(--gray-100);
}

.informes-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background-color: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.informes-description h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: #495057;
    font-size: 1.05rem;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.informes-action {
    text-align: center;
}

/* Normatividad Section */
.normatividad-section {
    background-color: white;
}

.normatividad-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.doc-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background-color: var(--gray-100);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
    border: 2px solid var(--gray-200);
}

.doc-card:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.doc-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.doc-title {
    font-weight: 600;
    text-align: center;
}

/* Video Container Small */
.video-container-small {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    max-width: 1000px;
    margin: 0 auto;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.video-container-small iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
}

.contact-section .section-header h2,
.contact-section .section-header p {
    color: var(--text-light);
}

.contact-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    padding: 4rem 3.5rem;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--gray-100);
    color: var(--text-dark);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(30, 136, 229, 0.1);
    background-color: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230f5e9c' 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 1rem center;
    background-size: 20px;
    padding-right: 3rem;
}

.contact-form button[type="submit"] {
    margin-top: 1rem;
    width: 100%;
    padding: 1.25rem;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
}

.contact-form button[type="submit"]:hover {
    box-shadow: 0 6px 25px rgba(30, 136, 229, 0.5);
}

.hidden {
    display: none;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-form-container {
        padding: 2.5rem 2rem;
    }

    .video-container-small {
        padding-bottom: 56.25%;
    }

    .contact-form {
        gap: 1.5rem;
    }
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    color: var(--gray-300);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-brand {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-brand:hover {
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--gray-300);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .informes-content {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        margin-top: 0;
    }

    .nav-dropdown:hover .dropdown-menu {
        display: none;
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading state for iframes */
iframe {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

iframe[src] {
    animation: none;
    background: none;
}