:root {
    --primary: #00f3ff;
    --secondary: #00f3ff;
    --bg-dark: #050507;
    --glass-bg: rgba(20, 20, 30, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --text-main: #ffffff;
    --text-muted: #b0b0bb;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --header-height: 80px;

    /* 8pt Grid System (International Standard) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 16px;
    --spacing-lg: 16px;
    --spacing-xl: 16px;
    --spacing-2xl: 16px;
    --spacing-3xl: 16px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -1;
    filter: blur(120px);
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(188, 19, 254, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -1;
    filter: blur(120px);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--spacing-sm);
    margin-bottom: 16px;
}

.neon-text {
    color: var(--primary);
    text-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 243, 255, 0.2);
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(3px);
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.4);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background: rgba(5, 5, 7, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

header.scrolled {
    background: rgba(5, 5, 7, 0.95);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

.logo img {
    height: 48px;
    width: auto;
    display: block;
    border-radius: 8px;
}

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

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.8;
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
    color: var(--primary);
}

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-xs);
    z-index: 10000;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 3px;
    transition: var(--transition);
}

/* Main Content */
main {
    flex: 1;
    padding-top: 180px;

    padding-bottom: var(--spacing-2xl);
}

.hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-xl);
    position: relative;
    overflow: hidden;
    margin-top: 92px;
    /* Desktop spacing */
    margin-bottom: 16px;
    /* Ensure no extra top margin */
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto var(--spacing-xl);
}

/* Grid Layout */
h2 {
    font-size: 1.5rem;
    margin-bottom: 0;
    
    display: inline-block;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: 16px;
}

.article-card {
    padding: var(--spacing-lg);
    transition: var(--transition);
    border-radius: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-meta {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.article-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    flex-grow: 0;
}

.article-card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.read-more {
    font-size: 0.95rem;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.read-more:hover {
    color: var(--primary);
    gap: 12px;
}

/* Content Page */
.content-page {
    max-width: 860px;
    margin-top: 92px;
    /* Desktop spacing */
}

.content-page section {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);

}

.content-page p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: #d0d0d0;
}

.content-page h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-page h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
footer {
    margin-top: auto;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    background: rgb(8, 8, 12);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-logo img {
    height: 40px;
    opacity: 0.9;
    border-radius: 4px;
}

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

.footer-links a {
    color: #888;
    transition: color 0.2s;
}

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

.copyright {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: #555;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--spacing-md);
    width: 100%;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 900px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .container {
        padding: var(--spacing-sm);
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: #111115;
        border-left: 1px solid var(--glass-border);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: var(--spacing-3xl) var(--spacing-lg);
        transition: 0.4s cubic-bezier(0.19, 1, 0.22, 1);
        z-index: 9999;
    }

    .nav-links.active {
        right: 0;
    }

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

    .nav-links a {
        font-size: 1.25rem;
        display: block;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    main {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
    }

    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
        margin-top: 64px;
        /* Mobile spacing */
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .content-page {
        margin-top: 64px;
        /* Mobile spacing */
    }

    .content-page h1 {
        font-size: 2rem;
    }
}

/* Animation utilities */
.animate-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-sm) 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--primary);
    transition: var(--transition);
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* Category Hero */
.category-hero {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.category-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.category-hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Category Grid (Homepage) */
#category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-2xl) 0;
}

.category-card {
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--cat-color, var(--primary));
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--cat-color, var(--primary));
}

.category-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--text-main);

}