/* ==========================================================================
   CSS Variables (Custom Properties)
   ========================================================================== */
:root {
    /* Colors */
    --primary-color: #1a1a1a;
    --secondary-color: #2c3e50;
    --accent-color: #bc3ce7;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --info-color: #bc3ce7;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #4c1186 0%, #a24b91 100%);
    --hero-gradient: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(26, 26, 26, 0.8) 50%);
    --card-gradient: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky: 1010;
    --z-fixed: 1020;
    --z-modal: 1030;
    --z-popover: 1040;
    --z-tooltip: 1050;
}

/* ==========================================================================
   Reset and Base Styles
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Estilos para el header oficial
   ========================================================================== */
.official-header {
    background: var(--primary-gradient);
    padding: 8px 0;
    border-bottom: 3px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.official-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.official-header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.official-header img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: transform 0.3s ease;
}

.official-header img:hover {
    transform: scale(1.05);
}

/* Responsive design para móviles */
@media (max-width: 768px) {
    .official-header {
        padding: 6px 0;
    }
    .official-header-content {
        padding: 0 15px;
    }
    .official-header img {
        height: 40px;
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .official-header {
        padding: 4px 0;
    }
    .official-header img {
        height: 35px;
        max-width: 100%;
    }
}

/* Ajuste para que el header existente no se superponga */
.header {
    position: relative;
    z-index: 10;
}

/* Efectos adicionales para el header oficial */
.official-header-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    background-size: 200% 100%;
    animation: gradientMove 4s ease-in-out infinite;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ==========================================================================
   Parallax Background
   ========================================================================== */
.parallax {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image: url('../assets/icons/websiteIcon.png');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.1;
    z-index: -1;
    will-change: transform;
}

.content-wrapper {
    position: relative;
    z-index: 1;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.navbar {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
}

.hamburger {
    width: 20px;
    height: 2px;
    background: white;
    transition: all var(--transition-normal);
}

.mobile-menu-btn.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ==========================================================================
   Hero Banner
   ========================================================================== */
.hero-banner {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background: url('../assets/images/ras5.jpg') no-repeat center center/cover;
    z-index: -2;
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hero-gradient);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: var(--spacing-lg);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.title-highlight {
    display: block;
    font-size: 0.6em;
    font-weight: var(--font-weight-normal);
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.title-main {
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.8);
    animation: bounce 2s infinite;
}

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

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

/* ==========================================================================
   Section Styles
   ========================================================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    margin: 0 auto;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
    background: var(--card-gradient);
}

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

/* Introducción principal */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.intro-text {
    order: 1;
}

.intro-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.intro-highlight {
    font-size: 1.25rem;
    line-height: 1.8;
    color: #555;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-color);
}

.about-image {
    position: relative;
    order: 2;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.02);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: var(--spacing-lg);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.about-image:hover .image-overlay {
    transform: translateY(0);
}

.overlay-text {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
}

/* Sección de detalles */
.about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.detail-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-top: 3px solid var(--info-color);
}

.detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--accent-color);
}

.detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.detail-icon i {
    font-size: 1.8rem;
    color: white;
}

.detail-content h4 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.detail-content p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* Sección de características */
.about-features {
    text-align: center;
}

.features-title {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.features-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    width: 100%;
    max-width: 280px;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(188, 60, 231, 0.1) 0%, rgba(76, 17, 134, 0.1) 100%);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--primary-gradient);
    transform: scale(1.1);
}

.feature-icon i {
    font-size: 2.5rem;
    color: var(--info-color);
    transition: color var(--transition-normal);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-family: var(--font-secondary);
}

.feature-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-slow);
}

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

/* ==========================================================================
   Mission and Vision Section
   ========================================================================== */
.mission-vision-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.mission-vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.mission-card,
.vision-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.mission-card::before,
.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-header i {
    font-size: 2.5rem;
    color: var(--info-color);
}

.card-header h3 {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.mission-card p,
.vision-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

/* ==========================================================================
   Values Section
   ========================================================================== */
.values-section {
    background: var(--card-gradient);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    justify-items: center;
}

.value-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 350px;
    height: fit-content;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.value-card:hover::before {
    opacity: 0.05;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    position: relative;
    z-index: 2;
    margin-bottom: var(--spacing-lg);
}

.value-icon i {
    font-size: 3rem;
    color: var(--info-color);
    transition: all var(--transition-normal);
}

.value-card:hover .value-icon i {
    transform: scale(1.1);
    color: var(--accent-color);
}

.value-card h3 {
    position: relative;
    z-index: 2;
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.value-card p {
    position: relative;
    z-index: 2;
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* ==========================================================================
   Activities Section
   ========================================================================== */
.activities-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    justify-items: center;
}

.activity-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--info-color);
    width: 100%;
    max-width: 350px;
    height: fit-content;
    min-height: 200px;
}

.activity-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--accent-color);
}

.activity-icon {
    margin-bottom: var(--spacing-lg);
}

.activity-icon i {
    font-size: 2.5rem;
    color: var(--info-color);
    transition: color var(--transition-normal);
}

.activity-card:hover .activity-icon i {
    color: var(--accent-color);
}

.activity-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.activity-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-section {
    background: var(--card-gradient);
}

/* ==========================================================================
   Achievements Section
   ========================================================================== */
.achievements-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
    align-items: start;
}

.achievement-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: fit-content;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

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

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-lg);
}

.card-icon i {
    font-size: 2.5rem;
    color: white;
}

.achievement-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

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

.achievement-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
}

.achievement-list li:hover {
    background: rgba(188, 60, 231, 0.05);
    padding-left: var(--spacing-md);
    border-radius: var(--radius-md);
}

.achievement-list li i {
    color: var(--success-color);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.achievement-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* ==========================================================================
   Statistics Section
   ========================================================================== */
.statistics-section {
    background: var(--card-gradient);
}

.statistics-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
    margin-bottom: var(--spacing-xl);
}

.chart-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    order: 1;
}

.chart-container canvas {
    max-height: 350px;
    width: 100%;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    order: 2;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--accent-color);
}

.stat-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--info-color);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.8rem;
    color: white;
}

.stat-info h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1.2;
}

.stat-info p {
    font-weight: var(--font-weight-semibold);
    color: var(--info-color);
    margin-bottom: var(--spacing-xs);
}

.stat-description {
    font-size: 0.85rem;
    color: #666;
    font-weight: var(--font-weight-normal);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    justify-items: center;
}

.contact-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    width: 100%;
    max-width: 350px;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

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

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-lg);
}

.contact-icon i {
    font-size: 2.5rem;
    color: white;
}

.contact-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.contact-card p {
    font-weight: var(--font-weight-semibold);
    color: var(--info-color);
    margin-bottom: var(--spacing-xs);
}

.contact-card span {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.join-cta {
    background: white;
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.join-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

.join-cta h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.join-cta p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

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

.cta-buttons .btn {
    min-width: 200px;
}

/* ==========================================================================
   Carousel
   ========================================================================== */
.carousel-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.carousel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.carousel-track {
    position: relative;
    height: 500px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all var(--transition-slow);
    transform: translateX(100%);
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.carousel-slide.prev {
    transform: translateX(-100%);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: rgba(0, 0, 0, 0.1);
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    color: white;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.carousel-slide.active .slide-content {
    transform: translateY(0);
}

.slide-content h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.slide-content p {
    opacity: 0.9;
    line-height: 1.6;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    z-index: 10;
}

.carousel-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-btn-prev {
    left: var(--spacing-md);
}

.carousel-btn-next {
    right: var(--spacing-md);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-normal);
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.footer-logo h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.contact-info i {
    width: 20px;
    color: var(--info-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    color: white;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--info-color);
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-normal);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 26, 0.98);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        gap: var(--spacing-xl);
    }
    
    .about-intro {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .intro-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
    }
    
    .intro-title {
        font-size: 2rem;
    }
    
    .intro-highlight {
        font-size: 1.1rem;
    }
    
    .about-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .detail-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        justify-items: center;
    }
    
    .feature-card {
        max-width: 100%;
        min-height: auto;
    }

    .mission-vision-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        justify-items: center;
    }
    
    .value-card {
        max-width: 100%;
        min-height: auto;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        justify-items: center;
    }
    
    .activity-card {
        max-width: 100%;
        min-height: auto;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .statistics-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .chart-container {
        order: 1;
    }
    
    .stats-grid {
        order: 2;
        grid-template-columns: 1fr;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-card {
        max-width: 100%;
    }    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .carousel-track {
        height: 400px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .carousel-btn-prev {
        left: var(--spacing-sm);
    }
    
    .carousel-btn-next {
        right: var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .hero-cta {
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        min-width: auto;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        justify-items: center;
    }

    .value-card,
    .activity-card,
    .contact-card,
    .feature-card {
        padding: var(--spacing-lg);
        max-width: 100%;
        min-height: auto;
    }

    .intro-title {
        font-size: 1.8rem;
    }
    
    .intro-highlight {
        font-size: 1rem;
        padding: var(--spacing-md);
    }
    
    .about-details {
        gap: var(--spacing-md);
    }
    
    .detail-card {
        padding: var(--spacing-lg);
        flex-direction: column;
        text-align: center;
    }
    
    .detail-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto;
    }
    
    .detail-icon i {
        font-size: 1.5rem;
    }
    
    .features-title {
        font-size: 1.6rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 2rem;
    }

    .carousel-track {
        height: 300px;
    }
    
    .slide-content {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    }
    
    .slide-content h3 {
        font-size: 1.2rem;
    }
    
    .slide-content p {
        font-size: 0.9rem;
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
    
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .join-cta {
        padding: var(--spacing-xl);
    }
    
    .join-cta h3 {
        font-size: 1.6rem;
    }
    
    .stats-grid {
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-icon i {
        font-size: 1.5rem;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .parallax,
    .hero-bg {
        background-size: cover;
        background-attachment: scroll;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .parallax {
        background-attachment: scroll;
    }
}

/* Print styles */
@media print {
    .header,
    .back-to-top,
    .carousel-btn,
    .carousel-indicators {
        display: none;
    }
    
    .hero-banner {
        height: auto;
        page-break-after: always;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .value-card,
    .activity-card,
    .achievement-card,
    .stat-card,
    .contact-card {
        break-inside: avoid;
    }
}