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

:root {
    --accent: #3B82F6;
    --accent-muted: #60A5FA;
    --accent-subtle: rgba(59, 130, 246, 0.08);
    --warn: #F59E0B;
    --warn-bg: rgba(245, 158, 11, 0.08);
    --dark: #0B0F1A;
    --dark-surface: #111827;
    --dark-card: #1A1F2E;
    --gray-600: #4B5563;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --white: #FFFFFF;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    color: var(--gray-300);
    background: var(--dark);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-article { max-width: 720px; margin: 0 auto; padding: 0 24px; }

/* NAV */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(11, 15, 26, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.03em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--gray-300);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s var(--ease);
}
.nav-link:hover { color: var(--white); }
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
    border-radius: 8px;
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.25s var(--ease);
}
.nav-cta:hover { background: #2563EB; }
@media (max-width: 700px) {
    .nav-links { gap: 16px; }
    .nav-link { display: none; }
}

/* BLOG INDEX */
.blog-hero {
    padding: 160px 0 80px;
    background: var(--dark);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.blog-hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-muted);
    margin-bottom: 16px;
}
.blog-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 20px;
    max-width: 720px;
    text-wrap: balance;
}
.blog-hero p {
    font-size: 1.15rem;
    color: var(--gray-400);
    max-width: 620px;
    line-height: 1.6;
}

.blog-list {
    padding: 80px 0 120px;
    background: var(--dark);
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
@media (max-width: 780px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
    display: flex;
    flex-direction: column;
    padding: 32px;
    background: var(--dark-surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s var(--ease);
    min-height: 260px;
}
.blog-card:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.blog-card-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-muted);
    margin-bottom: 16px;
}
.blog-card h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1.25;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.02em;
}
.blog-card p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: auto;
}
.blog-card-meta {
    margin-top: 24px;
    font-size: 0.82rem;
    color: var(--gray-400);
    display: flex;
    gap: 12px;
    align-items: center;
}

/* ARTICLE */
.article-hero {
    padding: 140px 0 60px;
    background: var(--dark);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.article-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 32px;
    transition: color 0.2s var(--ease);
}
.article-back:hover { color: var(--accent-muted); }
.article-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-muted);
    background: var(--accent-subtle);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.article-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    text-wrap: balance;
}
.article-lead {
    font-size: 1.2rem;
    color: var(--gray-300);
    max-width: 620px;
    line-height: 1.6;
    margin-bottom: 32px;
}
.article-meta {
    font-size: 0.85rem;
    color: var(--gray-400);
    display: flex;
    gap: 16px;
    align-items: center;
}

.article-body {
    padding: 60px 0 100px;
}
.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--white);
    margin: 56px 0 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-wrap: balance;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--white);
    margin: 40px 0 16px;
    font-weight: 600;
    letter-spacing: -0.015em;
}
.article-body p {
    color: var(--gray-300);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 20px;
}
.article-body ul, .article-body ol {
    margin: 0 0 24px 24px;
    color: var(--gray-300);
    font-size: 1.05rem;
    line-height: 1.75;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--white); font-weight: 600; }
.article-body em { color: var(--gray-200); font-style: italic; }
.article-body a {
    color: var(--accent-muted);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(96, 165, 250, 0.4);
    transition: all 0.2s var(--ease);
}
.article-body a:hover { color: var(--white); text-decoration-color: var(--accent); }
.article-body blockquote {
    margin: 32px 0;
    padding: 20px 28px;
    background: var(--dark-surface);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    color: var(--gray-200);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.5;
}
.article-body code {
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.92em;
    color: var(--accent-muted);
    background: var(--dark-surface);
    padding: 2px 6px;
    border-radius: 4px;
}
.article-body hr {
    border: none;
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 48px 0;
}

.article-callout {
    margin: 32px 0;
    padding: 24px 28px;
    background: var(--warn-bg);
    border: 1px solid rgba(245, 158, 11, 0.15);
    border-radius: var(--radius);
}
.article-callout strong { color: var(--warn); }

.article-cta {
    margin-top: 56px;
    padding: 40px;
    background: var(--dark-surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    text-align: center;
}
.article-cta h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.02em;
}
.article-cta p {
    color: var(--gray-400);
    font-size: 1rem;
    max-width: 460px;
    margin: 0 auto 24px;
}
.article-cta a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent);
    color: var(--white);
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s var(--ease);
}
.article-cta a:hover { background: #2563EB; transform: translateY(-1px); }

/* FOOTER */
footer {
    padding: 48px 0;
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-400);
}
footer a {
    color: var(--gray-300);
    text-decoration: none;
    margin: 0 12px;
    transition: color 0.2s var(--ease);
}
footer a:hover { color: var(--white); }