/*
 * INTA AeroTech - Estilos Principales
 * Styles for Instituto Nacional de Tecnología Aeronáutica
 */

/*--------------------------------------------------------------
>>> TABLE OF CONTENTS:
----------------------------------------------------------------
1.0 - Layout & Containers
2.0 - Header & Navigation
3.0 - Hero Section
4.0 - Sections
5.0 - About Section
6.0 - Courses Section
7.0 - Benefits Section
8.0 - CTA Section
9.0 - Footer
10.0 - Buttons
11.0 - Cards
12.0 - Utilities
13.0 - Animations
14.0 - Blog/Archive
15.0 - Responsive
--------------------------------------------------------------*/

/*--------------------------------------------------------------
1.0 - Layout & Containers
--------------------------------------------------------------*/
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.section-padding {
    padding: var(--spacing-xxl) 0;
}

.bg-light {
    background-color: #F9FAFB;
}

.bg-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

/*--------------------------------------------------------------
2.0 - Header & Navigation
--------------------------------------------------------------*/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-dark);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-md);
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-branding a,
.site-logo-text {
    display: flex;
    align-items: center;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.site-branding img {
    max-height: 60px;
    width: auto;
}

/* Navigation */
.header-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-navigation {
    display: flex;
}

.primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-sm);
}

.primary-menu li {
    position: relative;
}

.primary-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-white);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--border-radius);
}

.primary-menu a:hover,
.primary-menu a:focus,
.primary-menu .current-menu-item > a {
    background-color: rgba(27, 179, 232, 0.1);
    color: var(--color-primary);
}

/* Header CTA */
.header-cta {
    flex-shrink: 0;
}

.header-cta .btn {
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger .line {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] .line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle[aria-expanded="true"] .line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(14, 20, 24, 0.9);
    z-index: 999;
}

/*--------------------------------------------------------------
3.0 - Hero Section
--------------------------------------------------------------*/
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0E1418 0%, #1a2833 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%231BB3E8" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(14, 20, 24, 0.7), rgba(14, 20, 24, 0.5));
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    display: inline-block;
    color: var(--color-primary);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

/*--------------------------------------------------------------
4.0 - Sections
--------------------------------------------------------------*/
.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header.text-center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-footer {
    margin-top: var(--spacing-xl);
}

/*--------------------------------------------------------------
5.0 - About Section
--------------------------------------------------------------*/
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.about-text p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    color: var(--color-white);
    font-size: 1.5rem;
}

.feature-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--color-dark);
}

.feature-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: var(--color-white);
    box-shadow: var(--box-shadow-lg);
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.95;
}

/*--------------------------------------------------------------
6.0 - Courses Section
--------------------------------------------------------------*/
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.course-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
}

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

.course-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.course-badge.featured {
    background: var(--color-warning);
}

.course-content {
    padding: var(--spacing-lg);
}

.course-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.course-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.course-title a {
    color: inherit;
}

.course-title a:hover {
    color: var(--color-primary);
}

.course-description {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.course-meta {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/*--------------------------------------------------------------
7.0 - Benefits Section
--------------------------------------------------------------*/
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
    border-bottom: 4px solid var(--color-primary);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
    box-shadow: 0 8px 16px rgba(27, 179, 232, 0.2);
}

.benefit-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.benefit-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/*--------------------------------------------------------------
8.0 - CTA Section
--------------------------------------------------------------*/
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/*--------------------------------------------------------------
9.0 - Footer
--------------------------------------------------------------*/
.site-footer {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.footer-widgets {
    padding: var(--spacing-xxl) 0;
}

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

.footer-widgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-widget-title {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-widget p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

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

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-menu a:hover {
    color: var(--color-primary);
    padding-left: 8px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.footer-contact a {
    color: inherit;
}

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

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-copyright a {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

/*--------------------------------------------------------------
10.0 - Buttons
--------------------------------------------------------------*/
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 179, 232, 0.3);
}

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

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

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

.btn-white:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--box-shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/*--------------------------------------------------------------
11.0 - Cards
--------------------------------------------------------------*/
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-4px);
}

/*--------------------------------------------------------------
12.0 - Utilities
--------------------------------------------------------------*/
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/*--------------------------------------------------------------
13.0 - Animations
--------------------------------------------------------------*/
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
    opacity: 0;
}

.delay-2 {
    animation-delay: 0.4s;
    opacity: 0;
}

/*--------------------------------------------------------------
14.0 - Blog/Archive
--------------------------------------------------------------*/
.content-area {
    flex: 1;
    max-width: 900px;
    margin-right: var(--spacing-xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.page-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-dark);
}

.posts-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.post-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.post-thumbnail {
    height: 300px;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

.post-content {
    padding: var(--spacing-lg);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.post-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.post-title a {
    color: var(--color-dark);
}

.post-title a:hover {
    color: var(--color-primary);
}

.post-excerpt {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    transition: gap var(--transition-fast);
}

.read-more:hover {
    gap: 0.75rem;
}

.widget-area {
    width: 300px;
    flex-shrink: 0;
}

.widget {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-lg);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

/*--------------------------------------------------------------
15.0 - Responsive
--------------------------------------------------------------*/
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
        --spacing-xxl: 3rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .content-area {
        margin-right: 0;
        margin-bottom: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 65px;
        --spacing-xl: 2.5rem;
        --spacing-xxl: 2.5rem;
    }
    
    .header-navigation,
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-navigation.active {
        display: block;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-dark);
        padding: var(--spacing-lg);
        z-index: 1000;
    }
    
    .header-navigation.active .primary-menu {
        flex-direction: column;
        gap: 0;
    }
    
    .header-navigation.active .primary-menu a {
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu-overlay.active {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .widget-area {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .footer-widgets-grid {
        grid-template-columns: 1fr;
    }
}