/* ═══════════════════════════════════════════════════════
   ANKILLOUS BLOG — Editorial Dark Theme
   Fonts: Clash Display (headings) + Satoshi (body)
   ═══════════════════════════════════════════════════════ */

@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&f[]=satoshi@400,500,700&display=swap');

:root {
    --bg-primary:    #0a0a0b;
    --bg-secondary:  #111113;
    --bg-card:       #161618;
    --bg-hover:      #1c1c1f;
    --text-primary:  #e8e6e3;
    --text-secondary:#8a8a8d;
    --text-muted:    #5a5a5d;
    --accent:        #00d4aa;
    --accent-dim:    #00d4aa33;
    --border:        #222225;
    --border-light:  #2a2a2d;
    --danger:        #ff6b6b;
    --font-display:  'Clash Display', sans-serif;
    --font-body:     'Satoshi', sans-serif;
    --max-width:     1200px;
    --radius:        12px;
    --radius-sm:     8px;
}

/* ── Reset ─────────────────────────────────────────── */

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

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

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

/* ── Noise overlay ─────────────────────────────────── */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

/* ── Navigation ────────────────────────────────────── */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
    background: rgba(10, 10, 11, 0.85);
}

.nav__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav__logo span { color: var(--accent); }

.nav__links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav__links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

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

.nav__links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

/* ── Hero ──────────────────────────────────────────── */

.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero__label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero__label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero__title em {
    font-style: normal;
    color: var(--accent);
    position: relative;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.6;
}

.hero__grid-accent {
    position: absolute;
    top: 3rem;
    right: 2rem;
    width: 200px;
    height: 200px;
    background: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.4;
    border-radius: var(--radius);
}

/* ── Section ───────────────────────────────────────── */

.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem;
}

.section__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.section__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.section__link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.section__link:hover { color: var(--accent); }

/* ── Article Grid ──────────────────────────────────── */

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

/* ── Article Card ──────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    border-color: var(--border-light);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

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

.card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.card__category {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card__date { color: var(--text-muted); }

.card__readtime {
    color: var(--text-muted);
    margin-left: auto;
}

.card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.card__title a { color: var(--text-primary); }
.card__title a:hover { color: var(--accent); opacity: 1; }

.card__desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1.25rem;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-muted);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    border: 1px solid var(--border);
}

/* ── Featured (first card spans full width) ────────── */

.article-grid .card:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2.5rem;
}

.article-grid .card:first-child .card__title {
    font-size: 1.8rem;
}

@media (max-width: 768px) {
    .article-grid .card:first-child {
        grid-template-columns: 1fr;
    }
}

/* ── Category Filter ───────────────────────────────── */

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: var(--font-body);
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    opacity: 1;
}

.filter-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* ── Article Detail ────────────────────────────────── */

.article {
    max-width: 740px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.article__header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.article__category {
    display: inline-block;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}

.article__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.article__meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article__meta-divider { color: var(--border-light); }

/* ── Article Content (prose) ───────────────────────── */

.prose h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.prose h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}

.prose p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.prose strong { color: var(--text-primary); }

.prose a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.prose ul, .prose ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.prose li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.prose blockquote {
    border-left: 3px solid var(--accent);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background: var(--bg-card);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}

.prose pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.6;
}

.prose code {
    background: var(--bg-card);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
    border: 1px solid var(--border);
}

.prose pre code {
    background: none;
    border: none;
    padding: 0;
}

.prose img {
    border-radius: var(--radius);
    margin: 2rem 0;
}

.prose hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3rem 0;
}

/* ── About ─────────────────────────────────────────── */

.about {
    max-width: 740px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.about__title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.about__content { color: var(--text-secondary); font-size: 1.1rem; line-height: 1.8; }
.about__content p { margin-bottom: 1.25rem; }
.about__content strong { color: var(--text-primary); }

/* ── Footer ────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--border);
    margin-top: 6rem;
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer a { color: var(--text-secondary); }

/* ── 404 ───────────────────────────────────────────── */

.not-found {
    text-align: center;
    padding: 8rem 2rem;
}

.not-found__code {
    font-family: var(--font-display);
    font-size: 8rem;
    font-weight: 700;
    color: var(--border-light);
    line-height: 1;
}

.not-found__text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 1rem 0 2rem;
}

/* ── Animations ────────────────────────────────────── */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero, .card, .article__header {
    animation: fadeUp 0.5s ease both;
}

.card:nth-child(2) { animation-delay: 0.05s; }
.card:nth-child(3) { animation-delay: 0.1s; }
.card:nth-child(4) { animation-delay: 0.15s; }
.card:nth-child(5) { animation-delay: 0.2s; }
.card:nth-child(6) { animation-delay: 0.25s; }

/* ── Responsive ────────────────────────────────────── */

@media (max-width: 768px) {
    .hero { padding: 3rem 1.5rem 2rem; }
    .section { padding: 2rem 1.5rem; }
    .article-grid { grid-template-columns: 1fr; }
    .nav__links { gap: 1rem; }
    .hero__grid-accent { display: none; }
}

@media (max-width: 480px) {
    .nav__inner { padding: 0 1rem; }
    .hero { padding: 2rem 1rem; }
    .section { padding: 1.5rem 1rem; }
    .nav__links { gap: 0.75rem; font-size: 0.8rem; }
}