/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* SISCOP Brand Colors */
    --primary-blue: #0033A0;
    --primary-blue-light: #0047CC;
    --primary-blue-dark: #002680;
    --secondary-gray: #6B7280;
    --accent-teal: #14B8A6;

    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-700: #374151;
    --gray-900: #111827;
    --black: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0033A0 0%, #0047CC 100%);
    --gradient-accent: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 0;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-900);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo-img {
    height: 35px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 50%, #F9FAFB 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 51, 160, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--gray-900);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--secondary-gray);
    margin-bottom: 35px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 51, 160, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 51, 160, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

/* Hero Floating Cards */
.hero-image {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 32px;
}

.floating-card .card-text {
    font-weight: 600;
    color: var(--gray-900);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 5%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 4s;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary-blue);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--secondary-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SERVICIOS SECTION
   ============================================ */
.servicios {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--secondary-gray);
    line-height: 1.7;
}

/* ============================================
   GALERÍA SECTION
   ============================================ */
.galeria {
    background: var(--gray-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.gallery-item {
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--white);
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
    padding: 20px;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 30px;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-overlay h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.gallery-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* ============================================
   PRECIOS SECTION
   ============================================ */
.precios {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 24px;
    padding: 40px 30px;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-badge.popular {
    background: var(--gradient-accent);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-image {
    width: 180px;
    height: auto;
    margin-bottom: 20px;
}

.pricing-header h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-features {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: flex-start;
}

.check-icon {
    width: 20px;
    height: 20px;
    stroke-width: 3;
    color: var(--accent-teal);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature span {
    color: var(--gray-700);
    font-size: 15px;
    line-height: 1.5;
}

.btn-pricing {
    width: 100%;
    text-align: center;
}

/* ============================================
   CONTACTO SECTION
   ============================================ */
.contacto {
    background: var(--gray-50);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--white);
    padding: 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    font-size: 32px;
}

.contact-details h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--secondary-gray);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
    font-size: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 15px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 51, 160, 0.1);
}

.btn-submit {
    width: 100%;
}

/* ============================================
   SOPORTE SECTION
   ============================================ */
.soporte {
    background: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-base);
}

.support-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.support-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.support-card p {
    color: var(--secondary-gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* ============================================
   EDUCACIÓN SECTION
   ============================================ */
.educacion {
    background: var(--gray-50);
}

.education-grid {
    display: grid;
    gap: 40px;
}

.education-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.education-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 16px;
    height: 200px;
}

.education-icon {
    font-size: 80px;
}

.education-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.education-content p {
    color: var(--secondary-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.education-list {
    list-style: none;
    margin-bottom: 25px;
}

.education-list li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
    color: var(--gray-700);
}

.education-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-teal);
    font-weight: 700;
}

/* ============================================
   VIDEO MANUALES SECTION
   ============================================ */
.video-manuales {
    background: var(--white);
}

.video-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-700);
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-blue);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.video-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: var(--gray-900);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.video-info p {
    color: var(--secondary-gray);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.video-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gray-100);
    color: var(--primary-blue);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.youtube-cta {
    text-align: center;
    padding: 40px;
    background: var(--gray-50);
    border-radius: 20px;
}

.youtube-cta p {
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: 20px;
    font-weight: 600;
}

/* Hide videos based on filter */
.video-card.hidden {
    display: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 30px;
    margin-bottom: 15px;
}

.footer-text {
    color: var(--gray-300);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

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

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

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    font-size: 24px;
    transition: transform var(--transition-fast);
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-300);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }

    .hero-title {
        font-size: 42px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .education-card {
        grid-template-columns: 1fr;
    }

    .education-image {
        height: 150px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 30px;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        align-items: flex-start;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .pricing-grid,
    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* Highlight Link for Version Switching */
.highlight-link {
    color: var(--primary-blue);
    font-weight: 700;
    border: 2px solid var(--primary-blue);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-base);
}

.highlight-link:hover {
    background: var(--primary-blue);
    color: var(--white) !important;
}

.highlight-link::after {
    display: none;
}