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

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

:root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface2: #21262d;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #8b949e;
    --accent: #58a6ff;
    --accent2: #3fb950;
    --accent3: #d2a8ff;
    --heading: #f0f6fc;
    --danger: #f85149;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --transition: 0.2s ease;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #79c0ff; }

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

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--heading);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 840px; margin: 0 auto; padding: 0 1.5rem; }

/* PAGE LOADER */
#page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.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;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* HEADER */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13,17,23,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--heading);
    text-decoration: none;
}
.site-logo:hover { color: var(--heading); }
.logo-mark {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent3));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 20px; fill: #0d1117; }

.nav-primary {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-primary a {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.nav-primary a:hover,
.nav-primary a.active {
    color: var(--text);
    background: var(--surface2);
}

.header-right { display: flex; align-items: center; gap: 0.75rem; }

.btn-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    width: 40px; height: 40px;
    align-items: center;
    justify-content: center;
}
.btn-burger span {
    display: block;
    width: 18px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.btn-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.btn-burger.open span:nth-child(2) { opacity: 0; }
.btn-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    z-index: 99;
    flex-direction: column;
    gap: 0.25rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--muted);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}
.mobile-menu a:hover { color: var(--text); background: var(--surface2); }
.mobile-menu .menu-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 0.75rem 0.5rem;
    pointer-events: none;
}

/* HERO */
.hero {
    padding: 5rem 0 4rem;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; left: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(88,166,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent2);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}
.hero h1 { margin-bottom: 1.25rem; }
.hero-desc {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 2rem;
    max-width: 480px;
}
.hero-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.hero-stat {
    display: flex;
    flex-direction: column;
}
.hero-stat strong {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}
.hero-stat span { font-size: 0.8rem; color: var(--muted); }

.hero-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--surface2);
}
.hero-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.hero-image:hover img { transform: scale(1.03); }
.hero-image-badge {
    position: absolute;
    bottom: 1rem; left: 1rem;
    background: rgba(13,17,23,0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    color: var(--muted);
    font-family: 'DM Mono', monospace;
}

/* SECTION */
.section { padding: 4rem 0; }
.section-border { border-top: 1px solid var(--border); }

.section-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}
.section-title { margin-bottom: 0.75rem; }
.section-desc { color: var(--muted); max-width: 560px; margin-bottom: 2.5rem; }

/* ARTICLES GRID */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
}
.article-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
.article-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--surface2);
}
.article-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.article-card:hover .article-card-image img { transform: scale(1.05); }
.article-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.article-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    color: var(--accent2);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.article-card-body h3 { margin-bottom: 0.75rem; font-size: 1.05rem; }
.article-card-body p { color: var(--muted); font-size: 0.9rem; flex: 1; }
.article-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.article-date { font-size: 0.78rem; color: var(--muted); font-family: 'DM Mono', monospace; }
.read-more {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: 'Plus Jakarta Sans', sans-serif;
}
.read-more svg { width: 14px; height: 14px; }

/* FEATURED SPLIT */
.featured-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.featured-split.reverse { direction: rtl; }
.featured-split.reverse > * { direction: ltr; }
.featured-image {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--surface2);
}
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.featured-content { }
.featured-content h2 { margin-bottom: 1rem; }
.featured-content p { color: var(--muted); margin-bottom: 1.25rem; }

/* PROTOCOLS TABLE */
.proto-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
}
.proto-table th {
    background: var(--surface2);
    color: var(--heading);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--border);
}
.proto-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--muted);
}
.proto-table tr:hover td { background: var(--surface2); color: var(--text); }
.proto-table .badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-family: 'DM Mono', monospace;
    font-weight: 500;
}
.badge-green { background: rgba(63,185,80,0.15); color: var(--accent2); }
.badge-blue { background: rgba(88,166,255,0.15); color: var(--accent); }
.badge-purple { background: rgba(210,168,255,0.15); color: var(--accent3); }
.badge-orange { background: rgba(255,166,77,0.15); color: #ffa64d; }

/* INFO CARDS */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}
.info-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.info-card-icon {
    width: 40px; height: 40px;
    background: rgba(88,166,255,0.1);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1rem;
}
.info-card-icon svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 2; }
.info-card h4 { margin-bottom: 0.5rem; font-size: 1rem; }
.info-card p { font-size: 0.875rem; color: var(--muted); margin: 0; }

/* STEPS */
.steps { counter-reset: step; margin: 2rem 0; }
.step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
    align-items: start;
}
.step-num {
    width: 48px; height: 48px;
    background: var(--surface2);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
    counter-increment: step;
}
.step-body h4 { margin-bottom: 0.4rem; }
.step-body p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* CALLOUT */
.callout {
    background: rgba(88,166,255,0.08);
    border: 1px solid rgba(88,166,255,0.25);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
}
.callout.green {
    background: rgba(63,185,80,0.08);
    border-color: rgba(63,185,80,0.25);
    border-left-color: var(--accent2);
}
.callout p { margin: 0; font-size: 0.9rem; color: var(--text); }
.callout strong { color: var(--heading); }

/* ARTICLE PAGE */
.article-header { padding: 4rem 0 2rem; }
.article-header .article-tag { margin-bottom: 1rem; }
.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.article-meta span {
    font-size: 0.8rem;
    color: var(--muted);
    font-family: 'DM Mono', monospace;
}
.article-meta span + span::before { content: '·'; margin-right: 1rem; }
.article-hero-image {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
    border-radius: var(--radius);
    margin: 2rem 0;
    background: var(--surface2);
}
.article-body { margin-bottom: 4rem; }
.article-body h2 { margin: 2.5rem 0 1rem; }
.article-body h3 { margin: 2rem 0 0.75rem; color: var(--accent); font-size: 1.15rem; }
.article-body p { color: #c9d1d9; line-height: 1.8; }
.article-body ul, .article-body ol { margin: 0.75rem 0 1.25rem 1.5rem; color: #c9d1d9; }
.article-body li { margin-bottom: 0.4rem; line-height: 1.7; }
.article-body a { color: var(--accent); }
.article-body a:hover { text-decoration: underline; }
.article-body code {
    font-family: 'DM Mono', monospace;
    font-size: 0.85em;
    background: var(--surface2);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    color: var(--accent3);
}

/* RELATED */
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

/* CONTACT FORM */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
}
.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
    background: var(--accent);
    color: #0d1117;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem 2rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: #79c0ff; transform: translateY(-1px); }

.contact-info h3 { margin-bottom: 1.25rem; }
.contact-detail {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}
.contact-detail-icon {
    width: 36px; height: 36px;
    background: var(--surface2);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.contact-detail-icon svg { width: 16px; height: 16px; stroke: var(--accent); fill: none; stroke-width: 2; }
.contact-detail-text { font-size: 0.9rem; color: var(--muted); }
.contact-detail-text strong { display: block; color: var(--text); font-size: 0.85rem; margin-bottom: 0.15rem; }

/* ABOUT */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}
.about-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}
.about-stat strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.25rem;
}
.about-stat span { font-size: 0.85rem; color: var(--muted); }

/* POLICY PAGE */
.policy-body h2 { margin: 2.5rem 0 1rem; font-size: 1.4rem; }
.policy-body h3 { margin: 1.75rem 0 0.75rem; font-size: 1.1rem; color: var(--text); }
.policy-body p, .policy-body li { color: #c9d1d9; line-height: 1.8; font-size: 0.95rem; }
.policy-body ul { margin: 0.75rem 0 1.25rem 1.5rem; }
.policy-body li { margin-bottom: 0.4rem; }

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--muted);
    padding: 1.25rem 0;
    font-family: 'DM Mono', monospace;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border); }

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    transform: translateY(0);
    transition: transform 0.3s ease;
}
#cookie-banner.hidden { transform: translateY(100%); display: none; }
#cookie-banner p { font-size: 0.85rem; color: var(--muted); margin: 0; max-width: 640px; }
#cookie-banner p a { color: var(--accent); }
.cookie-btns { display: flex; gap: 0.75rem; flex-shrink: 0; }
.btn-cookie {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid var(--border);
}
.btn-cookie-accept { background: var(--accent); color: #0d1117; border-color: var(--accent); }
.btn-cookie-accept:hover { background: #79c0ff; }
.btn-cookie-reject { background: transparent; color: var(--muted); }
.btn-cookie-reject:hover { background: var(--surface2); color: var(--text); }

/* FOOTER */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 3rem 0 1.5rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-brand p { font-size: 0.85rem; color: var(--muted); margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 {
    font-size: 0.8rem;
    font-family: 'DM Mono', monospace;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}
.footer-col a {
    display: block;
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0.4rem;
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.footer-bottom p { font-size: 0.8rem; color: var(--muted); }
.footer-bottom a { color: var(--muted); font-size: 0.8rem; }
.footer-bottom a:hover { color: var(--text); }

/* UTILITIES */
.text-muted { color: var(--muted); }
.text-accent { color: var(--accent); }
.text-accent2 { color: var(--accent2); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .nav-primary { display: none; }
    .btn-burger { display: flex; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-image { max-width: 500px; }
    .articles-grid { grid-template-columns: 1fr 1fr; }
    .featured-split { grid-template-columns: 1fr; }
    .featured-split.reverse { direction: ltr; }
    .contact-grid { grid-template-columns: 1fr; }
    .about-hero { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .articles-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .hero { padding: 3rem 0 2.5rem; }
    .section { padding: 2.5rem 0; }
    .proto-table { font-size: 0.78rem; }
    .proto-table th, .proto-table td { padding: 0.625rem 0.6rem; }
    #cookie-banner { flex-direction: column; align-items: flex-start; }
}