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

/* CSS Variables for Theme System */
:root {
    --bg-primary: #111111;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #0f0f0f;
    --bg-modal: rgba(17, 17, 17, 0.95);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-tertiary: #888888;
    --accent-primary: #FF6A00;
    --accent-secondary: #FF8E53;
    --border-primary: #333333;
    --border-secondary: #555555;
    --shadow-light: rgba(0, 0, 0, 0.2);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --accent-glow: rgba(255, 106, 0, 0.3);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    --bg-modal: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --border-primary: #e0e0e0;
    --border-secondary: #c0c0c0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --accent-glow: rgba(255, 106, 0, 0.2);
}

[data-theme="light"] .hero {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%);
}

[data-theme="light"] .hero-background {
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 106, 0, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 142, 83, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(138, 43, 226, 0.04) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 106, 0, 0.03) 0%, rgba(255, 142, 83, 0.05) 100%);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow: hidden;
    height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto;
    transition: background-color 0.3s ease, color 0.3s ease;
    height: 100%;
    perspective: 1px;
    transform-style: preserve-3d;
}

/* Parallax Container */
.parallax-container {
    position: relative;
    transform-style: preserve-3d;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-primary);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Link */
.logo-link {
    text-decoration: none;
    display: inline-block;
}

.nav-logo h2 {
    color: var(--accent-primary);
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo-link:hover h2 {
    transform: scale(1.05);
}

/* Glitch Effect */
.glitch {
    position: relative;
    animation: glitch-skew 1s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 #ff00c1;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 #00fff9, 2px 2px #ff00c1;
    animation: glitch-anim2 1s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(31px, 9999px, 94px, 0);
        transform: skew(0.18deg);
    }
    5% {
        clip: rect(70px, 9999px, 71px, 0);
        transform: skew(0.85deg);
    }
    10% {
        clip: rect(79px, 9999px, 60px, 0);
        transform: skew(0.42deg);
    }
    15% {
        clip: rect(17px, 9999px, 99px, 0);
        transform: skew(0.96deg);
    }
    20% {
        clip: rect(82px, 9999px, 88px, 0);
        transform: skew(0.55deg);
    }
    100% {
        clip: rect(67px, 9999px, 62px, 0);
        transform: skew(0.29deg);
    }
}

@keyframes glitch-anim2 {
    0% {
        clip: rect(65px, 9999px, 119px, 0);
        transform: skew(0.41deg);
    }
    5% {
        clip: rect(52px, 9999px, 36px, 0);
        transform: skew(0.78deg);
    }
    10% {
        clip: rect(79px, 9999px, 75px, 0);
        transform: skew(0.22deg);
    }
    100% {
        clip: rect(76px, 9999px, 98px, 0);
        transform: skew(0.83deg);
    }
}

@keyframes glitch-skew {
    0% {
        transform: skew(0deg);
    }
    10% {
        transform: skew(-1deg);
    }
    20% {
        transform: skew(1deg);
    }
    30% {
        transform: skew(0deg);
    }
    40% {
        transform: skew(1deg);
    }
    50% {
        transform: skew(-1deg);
    }
    60% {
        transform: skew(0deg);
    }
    70% {
        transform: skew(-1deg);
    }
    80% {
        transform: skew(1deg);
    }
    90% {
        transform: skew(0deg);
    }
    100% {
        transform: skew(-1deg);
    }
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

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

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Toggle */
.lang-toggle {
    background: none;
    border: 2px solid var(--border-primary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 50px;
}

.lang-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-glow);
}

.lang-text {
    letter-spacing: 1px;
}

/* Theme Toggle */
.theme-toggle, .search-toggle {
    background: none;
    border: 2px solid var(--border-primary);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover, .search-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.search-toggle.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    transition: all 0.3s ease;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
}

/* Search Container */
.search-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 1.5rem 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.search-container.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-bar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.search-bar input {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-primary);
    border-radius: 50px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-filters {
    display: flex;
    gap: 1rem;
}

.search-filters select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-primary);
    border-radius: 25px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(180deg, #0a0a0f 0%, #101022 50%, #0f0f1a 100%);
    transform-style: preserve-3d;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 106, 0, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 142, 83, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(138, 43, 226, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 106, 0, 0.05) 0%, rgba(255, 142, 83, 0.08) 100%);
    z-index: -1;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.hero-content {
    text-align: left;
    max-width: 800px;
    margin-left: 60px;
    padding: 0 20px 80px 20px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
}

.scroll-button {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.scroll-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px var(--accent-glow);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--accent-primary);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    transform: rotate(45deg);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-primary);
}

/* Trending Section */
.trending {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.trending-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-primary);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-medium);
    border-color: var(--accent-primary);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 1.5rem;
}

.news-category {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.news-content h3 {
    margin: 0.5rem 0 1rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.news-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Categories Section */
.categories {
    padding: 6rem 0;
    background: var(--bg-tertiary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.category-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-3d {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    display: block;
}

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

.category-card.active {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

.category-icon {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--accent-primary);
}

.category-icon svg {
    transition: all 0.3s ease;
}

.category-card:hover .category-icon svg {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.category-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.category-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.category-count {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Articles Section */
.articles {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.article-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    transition: all 0.3s ease;
}

.article-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.article-image {
    border-radius: 8px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-category {
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.article-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.article-meta span:not(:last-child)::after {
    content: '•';
    margin-left: 1rem;
}

/* Newsletter Section */
.newsletter {
    padding: 6rem 0;
    background: var(--bg-tertiary);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.newsletter-content > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-primary);
    border-radius: 50px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.subscribe-btn {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--accent-glow);
}

.form-disclaimer {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-primary);
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-primary);
    color: var(--text-tertiary);
}

/* Share Modal */
.share-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.share-modal.active {
    display: flex;
}

.share-modal-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--border-primary);
    position: relative;
}

.share-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.share-modal-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.share-modal-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.share-modal-close:hover {
    color: var(--accent-primary);
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-primary);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.share-btn:hover {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.share-btn svg {
    width: 20px;
    height: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-modal);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid var(--border-primary);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .trending-grid {
        grid-template-columns: 1fr;
    }
    
    .article-item {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .search-filters {
        flex-direction: column;
    }
    
    .categories-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .share-buttons {
        grid-template-columns: 1fr;
    }
}

/* Loading Spinner Animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Category Active State */
.category-card.active {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-5px);
}