/* ==========================================================================
   Malaysia Cybersecurity Camp - Modern Black Theme
   ========================================================================== */

/* CSS Variables - Modern Black Theme */
:root {
    /* Colors - Modern Black Cybersecurity Theme */
    --black: #000000;
    --dark-gray: #0a0a0a;
    --gray-900: #111111;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #404040;
    --gray-500: #666666;
    --gray-400: #888888;
    --gray-300: #aaaaaa;
    --gray-200: #cccccc;
    --gray-100: #e6e6e6;
    --white: #ffffff;
    
    /* Brand Colors - Cybersecurity */
    --primary: #00ff88;        /* Neon Green - Security */
    --primary-dark: #00cc6a;
    --primary-light: #33ff9e;
    --secondary: #0088ff;      /* Blue - Technology */
    --accent: #ff0088;         /* Pink - Energy */
    --warning: #ffaa00;        /* Amber - Warning */
    --danger: #ff3333;         /* Red - Danger */
    --success: #00ff88;        /* Green - Success */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-900) 0%, var(--black) 100%);
    --gradient-card: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    
    /* Typography - Clean Modern Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 255, 136, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 255, 136, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 255, 136, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 255, 136, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --header-height: 80px;
    --container-max: 1200px;
    --section-padding: 5rem 0;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-200);
    background-color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--white);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
    color: var(--gray-300);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
}

code, pre {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    height: var(--header-height);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
}

.logo-image {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--white);
}

.tagline {
    font-size: 0.875rem;
    color: var(--primary);
    margin: 0;
    font-weight: 500;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--gray-300);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--white);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    letter-spacing: 0.02em;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gray-700);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 255, 136, 0.05);
}

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

.btn-outline:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 136, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

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

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
    max-width: 90%;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.hexagon-grid {
    position: relative;
    width: 100%;
    height: 100%;
}

.hexagon {
    position: absolute;
    width: 80px;
    height: 92px;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.hexagon::before,
.hexagon::after {
    content: '';
    position: absolute;
    width: 56.57px;
    height: 56.57px;
    background: inherit;
    border: inherit;
    border-radius: inherit;
    transform: rotate(45deg);
    z-index: -1;
}

.hexagon::before {
    top: -28.28px;
}

.hexagon::after {
    bottom: -28.28px;
}

.hexagon i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--space-xs);
}

.hexagon span {
    font-size: 0.75rem;
    color: var(--gray-400);
    font-weight: 500;
}

.hexagon:hover {
    transform: translateY(-5px);
    background: var(--gray-800);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.hex-1 { top: 20%; left: 20%; }
.hex-2 { top: 50%; left: 10%; }
.hex-3 { top: 30%; left: 50%; }
.hex-4 { top: 60%; left: 40%; }
.hex-5 { top: 10%; left: 70%; }

/* Stats Section */
.stats-section {
    padding: var(--space-3xl) 0;
    background: var(--gray-900);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.stat-card {
    background: var(--gradient-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition-normal);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    line-height: 1;
}

.stat-label {
    color: var(--gray-400);
    margin: var(--space-xs) 0 0 0;
    font-size: 0.9rem;
}

/* Section Common Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-subtitle {
    color: var(--gray-400);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* Posts Section */
.posts-section {
    padding: var(--section-padding);
    background: var(--black);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.post-card {
    background: var(--gradient-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.post-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.post-category {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--primary);
    color: var(--black);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-card-content {
    padding: var(--space-xl);
}

.post-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.post-meta i {
    margin-right: var(--space-xs);
}

.post-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.post-title a {
    color: var(--white);
    text-decoration: none;
}

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

.post-excerpt {
    color: var(--gray-400);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.post-footer {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
}

.read-more:hover {
    gap: var(--space-md);
}

.read-more i {
    transition: transform var(--transition-fast);
}

.read-more:hover i {
    transform: translateX(4px);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
}

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

.feature {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.125rem;
    margin: 0 0 var(--space-xs) 0;
    color: var(--white);
}

.feature-content p {
    color: var(--gray-400);
    margin: 0;
    font-size: 0.95rem;
}

.visual-card {
    background: var(--gradient-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    background: rgba(0, 255, 136, 0.05);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-800);
}

.card-header h3 {
    margin: 0;
    color: var(--primary);
    font-size: 1.25rem;
}

.card-content {
    padding: var(--space-xl);
}

.impact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.impact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--gray-300);
}

.impact-list i {
    color: var(--primary);
    font-size: 1rem;
}

/* Alumni Section */
.alumni-section {
    padding: var(--section-padding);
    background: var(--black);
}

.alumni-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.alumni-card {
    background: var(--gradient-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    transition: all var(--transition-normal);
}

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

.alumni-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--black);
    flex-shrink: 0;
}

.alumni-info {
    flex: 1;
}

.alumni-name {
    font-size: 1.25rem;
    margin: 0 0 var(--space-xs) 0;
    color: var(--white);
}

.alumni-role {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin: 0 0 var(--space-sm) 0;
}

.alumni-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.achievement-tag {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Footer */
.footer-section {
    background: var(--gray-900);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--gray-800);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.footer-logo-image {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.3));
}

.footer-brand-name {
    font-size: 1.25rem;
    margin: 0;
    color: var(--white);
}

.footer-tagline {
    color: var(--primary);
    font-size: 0.875rem;
    margin: 0;
}

.footer-description {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.link-group-title {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.link-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.link-list a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.link-list a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

.credit {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

.credit a {
    color: var(--primary);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --section-padding: 4rem 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --section-padding: 3rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--black);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 1px solid var(--gray-800);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--space-md);
        border-bottom: 1px solid var(--gray-800);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hexagon-grid {
        display: none;
    }
    
    .hero-visual {
        display: none;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

/* Loading State */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .no-print {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}

      .sponsors-grid,
      .supporters-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 2rem;
        margin: 2rem 0;
      }

      .sponsor,
      .supporter {
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgb(0, 0, 0);
        padding: 1.5rem;
        border-radius: 8px;
        min-height: 120px;
        transition: all 0.3s ease;
        border: 1px solid rgba(100, 255, 218, 0.1);
      }

      .sponsor:hover,
      .supporter:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(100, 255, 218, 0.15);
      }

      .sponsor img,
      .supporter img {
        max-width: 100%;
        max-height: 80px;
        object-fit: contain;
      }