@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Syne:wght@400;600;700;800&family=DM+Mono:wght@300;400;500&family=Outfit:wght@300;400;500;600&display=swap');

:root {
    --bg-primary: #0d0f14;
    --bg-secondary: #13161e;
    --bg-card: #181c26;
    --bg-card-hover: #1e2332;
    --accent: #00d4ff;
    --accent-2: #7c3aed;
    --accent-3: #10b981;
    --text-primary: #e8eaf0;
    --text-secondary: #8b92a8;
    --text-muted: #545d72;
    --border: #252a38;
    --border-light: #2e3447;
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'DM Mono', monospace;
    --font-ui: 'Space Grotesk', sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-accent: 0 0 40px rgba(0,212,255,0.08);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* PAGE LOADER */
#page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.loader-ring {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.loader-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* HEADER */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13,15,20,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.logo-icon svg { width: 20px; height: 20px; fill: #fff; }
.logo span.accent { color: var(--accent); }

nav.main-nav { display: flex; align-items: center; gap: 4px; }
nav.main-nav a {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}
nav.main-nav a:hover, nav.main-nav a.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.header-right { display: flex; align-items: center; gap: 12px; }

.burger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    background: transparent;
    border: none;
    transition: background 0.2s;
}
.burger-btn:hover { background: var(--bg-card); }
.burger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 99;
    overflow-y: auto;
    padding: 24px;
    flex-direction: column;
    gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 14px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.mobile-menu a:hover { color: var(--text-primary); background: var(--bg-card); border-color: var(--border-light); }
.mobile-menu-section {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 16px 0 8px;
}

/* HERO */
.hero {
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124,58,237,0.05) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: rgba(0,212,255,0.08);
    border: 1px solid rgba(0,212,255,0.2);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
}
.hero-label::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    padding: 12px 24px;
    border-radius: var(--radius);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}
.btn-primary:hover { background: #00b8d9; color: var(--bg-primary); transform: translateY(-1px); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 12px 24px;
    border-radius: var(--radius);
    transition: all 0.2s;
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--accent); color: var(--accent); }

.hero-visual {
    position: relative;
}
.hero-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow), var(--shadow-accent);
    aspect-ratio: 4/3;
}
.hero-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}
.hero-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    text-align: center;
}
.hero-stat-num {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}
.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-family: var(--font-mono);
}

/* SECTION HEADERS */
.section-header {
    margin-bottom: 40px;
}
.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}
.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}
.section-header p {
    color: var(--text-secondary);
    margin-top: 10px;
    max-width: 560px;
    font-size: 0.95rem;
}

/* TOPICS GRID */
.topics-section { padding: 80px 0; }
.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.topic-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0;
    transition: opacity 0.25s;
}
.topic-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-3px); box-shadow: var(--shadow); }
.topic-card:hover::before { opacity: 1; }
.topic-icon {
    width: 44px;
    height: 44px;
    background: rgba(0,212,255,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.topic-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.5; }
.topic-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.topic-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.topic-card a.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 16px;
    transition: gap 0.2s;
}
.topic-card a.card-link:hover { gap: 10px; }

/* ARTICLES */
.articles-section { padding: 80px 0; background: var(--bg-secondary); }
.articles-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.25s;
}
.article-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.article-card.featured { grid-row: span 2; }
.article-img {
    aspect-ratio: 16/9;
    overflow: hidden;
}
.article-card.featured .article-img { aspect-ratio: 4/3; }
.article-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.article-card:hover .article-img img { transform: scale(1.03); }
.article-body { padding: 24px; }
.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.article-cat {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    background: rgba(0,212,255,0.08);
    padding: 3px 10px;
    border-radius: 100px;
}
.article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--text-primary);
}
.article-card.featured .article-body h3 { font-size: 1.4rem; }
.article-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.read-more {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}
.read-more:hover { gap: 10px; color: var(--accent); }

.articles-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* TOOLS SECTION */
.tools-section { padding: 80px 0; }
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.25s;
}
.tool-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); }
.tool-num {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 300;
    color: var(--border-light);
    line-height: 1;
    flex-shrink: 0;
    width: 48px;
}
.tool-content h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.tool-content p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.tool-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tool-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 4px;
}

/* DIVIDER */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
    margin: 0;
}

/* ARTICLE PAGE */
.article-page { padding: 60px 0 80px; }
.article-page-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}
.article-header { margin-bottom: 36px; }
.article-header .article-meta { margin-bottom: 16px; }
.article-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.article-header .lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    border-left: 3px solid var(--accent);
    padding-left: 20px;
}
.article-hero-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid var(--border);
    aspect-ratio: 16/8;
}
.article-hero-img img { width: 100%; height: 100%; object-fit: cover; }

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 40px 0 16px;
    color: var(--text-primary);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text-primary);
}
.article-content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.article-content ul, .article-content ol {
    margin: 16px 0 20px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}
.article-content li { margin-bottom: 6px; }
.article-content strong { color: var(--text-primary); font-weight: 600; }
.article-content a { color: var(--accent); }
.article-content a:hover { text-decoration: underline; }

.info-box {
    background: rgba(0,212,255,0.05);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 24px 0;
}
.info-box-title {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.info-box p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }

.warning-box {
    background: rgba(251,191,36,0.05);
    border: 1px solid rgba(251,191,36,0.2);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 24px 0;
}
.warning-box .info-box-title { color: #fbbf24; }

.code-block {
    background: #0a0c10;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 20px 0;
    overflow-x: auto;
}
.code-block code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #a8d8a8;
    line-height: 1.7;
    white-space: pre;
}

.article-img-block {
    margin: 32px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}
.article-img-block img { width: 100%; }
.article-img-caption {
    background: var(--bg-card);
    padding: 10px 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    border-top: 1px solid var(--border);
}

/* SIDEBAR */
.sidebar { position: sticky; top: 88px; }
.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-widget h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.toc-list { list-style: none; }
.toc-list li { border-bottom: 1px solid var(--border); }
.toc-list li:last-child { border-bottom: none; }
.toc-list a {
    display: block;
    padding: 10px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    transition: color 0.2s;
}
.toc-list a:hover { color: var(--accent); }
.toc-num {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    margin-right: 8px;
}

.related-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.related-list li a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}
.related-list li a::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 7px;
}
.related-list li a:hover { color: var(--text-primary); }

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 0;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-secondary); }

/* ABOUT PAGE */
.about-section { padding: 60px 0 80px; }
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    line-height: 1.15;
}
.about-content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.values-grid { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.value-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}
.value-item h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.value-item p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }

/* CONTACT PAGE */
.contact-section { padding: 60px 0 80px; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.contact-info h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}
.contact-info p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.contact-item-icon {
    width: 40px;
    height: 40px;
    background: rgba(0,212,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-item-icon svg { width: 18px; height: 18px; stroke: var(--accent); fill: none; stroke-width: 1.5; }
.contact-item-label {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.contact-item-value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: var(--font-ui);
}
.contact-item-value a { color: var(--text-primary); }
.contact-item-value a:hover { color: var(--accent); }

.contact-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}
.contact-details h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.8rem; }
.detail-value { color: var(--text-primary); font-weight: 500; }

/* POLICY PAGE */
.policy-section { padding: 60px 0 80px; }
.policy-content { max-width: 800px; }
.policy-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}
.policy-updated {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}
.policy-content h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin: 36px 0 14px;
    color: var(--text-primary);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.policy-content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 14px; }
.policy-content ul { margin: 12px 0 16px 20px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; }
.policy-content li { margin-bottom: 6px; }

/* FOOTER */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 60px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 280px;
}
.footer-col h5 {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--text-primary); }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.footer-bottom-links a:hover { color: var(--accent); }

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 680px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    z-index: 1000;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    transition: all 0.3s;
}
#cookie-banner.hidden { opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(20px); }
.cookie-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 200px;
}
.cookie-text a { color: var(--accent); }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.cookie-btn.accept { background: var(--accent); color: var(--bg-primary); }
.cookie-btn.accept:hover { background: #00b8d9; }
.cookie-btn.reject { background: var(--bg-secondary); color: var(--text-secondary); border: 1px solid var(--border); }
.cookie-btn.reject:hover { background: var(--bg-card-hover); color: var(--text-primary); }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .topics-grid { grid-template-columns: repeat(2, 1fr); }
    .tools-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    nav.main-nav { display: none; }
    .burger-btn { display: flex; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .articles-grid { grid-template-columns: 1fr; }
    .article-card.featured { grid-row: span 1; }
    .articles-sidebar { display: none; }
    .article-page-grid { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .topics-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero { padding: 48px 0 40px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    #cookie-banner { bottom: 16px; left: 16px; right: 16px; width: auto; transform: none; }
    #cookie-banner.hidden { transform: translateY(20px); }
}