@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ═══════════════════════════════════════
   TOKENS — identical to main site
   ═══════════════════════════════════════ */
:root {
    --primary-color: #ffcc00;
    --accent-color: #ffdb4d;
    --text-color: #f8f8f8;
    --heading-color: #ffffff;
    --secondary-text: #e0e0e0;
    --muted-text: #cccccc;
    --link-color: #ffcc00;
    --bg-color: #0a0a0a;
    --card-bg: rgba(0, 0, 0, 0.1);
    --card-bg-hover: rgba(0, 0, 0, 0.15);
    --card-border: rgba(255,255,255,0.03);
    --card-border-hover: rgba(255, 204, 0, 0.2);
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --max-w: 740px;
}

*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
}
body {
    font-family: 'Space Grotesk', sans-serif;
}
html { scroll-behavior: smooth; }

body {
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary-color); color: white; }

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

/* ═══════════════════════════════════════
   NAV — exact match to main site
   ═══════════════════════════════════════ */
.nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 0.5rem 3rem;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}
.nav a { display: flex; align-items: center; }
.nav-mark { display: none; width: 0; height: 0; overflow: hidden; position: absolute; visibility: hidden; }
.nav-logo {
    height: 26px; filter: brightness(0) invert(1);
    transition: var(--transition);
}
.nav-logo:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 5px rgba(255,255,255,0.7));
}
.nav-links {
    display: flex; gap: 2rem; align-items: center;
}
.nav-links a {
    color: var(--secondary-text); text-decoration: none;
    font-size: 0.8rem; font-weight: 500; letter-spacing: 1px;
    transition: var(--transition); position: relative; padding: 0.3rem 0;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background: var(--primary-color);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--primary-color); }
.nav-links a:hover::after { width: 100%; }
.nav-toggle {
    display: none; background: none; border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-color); font-size: 1.1rem; padding: 0.4rem 0.6rem; cursor: pointer;
    transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary-color); color: var(--primary-color); }

/* ═══════════════════════════════════════
   BLOG INDEX
   ═══════════════════════════════════════ */
.blog-index {
    max-width: 960px; margin: 0 auto;
    padding: 7rem 2rem 6rem;
}

.blog-hero {
    margin-bottom: 2.5rem;
    text-align: center;
}
.blog-hero h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 700; font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    position: relative; padding-bottom: 1rem;
}
.blog-hero h1::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 80px; height: 3px; background: var(--primary-color);
}
.blog-hero p {
    font-size: 1.1rem; color: var(--muted-text); font-weight: 300;
    margin-top: 0.8rem;
}

/* Search / filter */
.blog-toolbar {
    display: flex; gap: 0.8rem; align-items: center;
    margin-bottom: 2rem; flex-wrap: wrap;
}
.blog-search {
    flex: 1; min-width: 200px;
    display: flex; align-items: center; gap: 0.6rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 0.7rem 1rem; border-radius: 12px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}
.blog-search:focus-within {
    border-color: var(--card-border-hover);
    background: var(--card-bg-hover);
}
.blog-search i { color: var(--muted-text); font-size: 0.9rem; }
.blog-search input {
    flex: 1; background: none; border: none; outline: none;
    color: var(--text-color); font-size: 0.95rem; font-weight: 400;
    font-family: 'Space Grotesk', sans-serif;
}
.blog-search input::placeholder { color: rgba(255,255,255,0.3); }

.filter-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--muted-text); font-size: 0.85rem; font-weight: 500;
    padding: 0.6rem 1rem; border-radius: 12px; cursor: pointer;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}
.filter-btn:hover {
    background: var(--card-bg-hover);
    transform: translateY(-2px);
}
.filter-btn.active {
    border-color: var(--card-border-hover); color: var(--primary-color);
    background: rgba(255,204,0,0.05);
}

/* ═══ Post cards ═══ */
.post-list { display: flex; flex-direction: column; gap: 1rem; }

.post-card {
    display: grid; grid-template-columns: 1fr auto;
    gap: 1.2rem; align-items: center;
    padding: 1.5rem 1.8rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    text-decoration: none; color: inherit;
}
.post-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--card-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

/* Card with thumbnail */
.post-card.has-thumb {
    grid-template-columns: 200px 1fr auto;
}
.post-card-thumb {
    width: 100%; height: 130px;
    object-fit: cover; border-radius: 10px;
    display: block;
    border: 1px solid rgba(255,255,255,0.03);
}

.post-card-body { min-width: 0; }
.post-card-title {
    font-weight: 600; font-size: 1.15rem;
    color: var(--heading-color); margin-bottom: 0.35rem; line-height: 1.35;
    transition: color 0.3s;
}
.post-card:hover .post-card-title { color: var(--primary-color); }
.post-card-excerpt {
    font-size: 0.95rem; color: var(--muted-text); line-height: 1.5;
    font-weight: 300;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.post-card-meta {
    display: flex; gap: 0.8rem; align-items: center; margin-top: 0.6rem;
    font-size: 0.8rem; color: rgba(255,255,255,0.35);
}
.post-card-category {
    background: rgba(255,204,0,0.08); color: var(--primary-color);
    padding: 0.2rem 0.7rem; border-radius: 6px; font-size: 0.75rem;
    font-weight: 500;
}
.post-card-date { white-space: nowrap; }

.post-card-arrow {
    color: rgba(255,255,255,0.15); font-size: 0.9rem;
    transition: var(--transition);
}
.post-card:hover .post-card-arrow { color: var(--primary-color); transform: translateX(4px); }

.no-results {
    text-align: center; padding: 3rem 1rem;
    color: var(--muted-text); font-size: 1rem;
}

.post-count {
    font-size: 0.85rem; color: rgba(255,255,255,0.3);
    margin-bottom: 1rem; font-weight: 400;
}

/* ═══════════════════════════════════════
   SINGLE POST
   ═══════════════════════════════════════ */
.post {
    max-width: var(--max-w); margin: 0 auto;
    padding: 7rem 2rem 6rem;
}

.post-header { margin-bottom: 2.5rem; }

.back-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.9rem; color: var(--muted-text); font-weight: 500;
    margin-bottom: 1.5rem; transition: var(--transition);
}
.back-link:hover { color: var(--primary-color); }

.post-meta {
    display: flex; gap: 0.8rem; align-items: center;
    margin-bottom: 0.8rem;
    font-size: 0.85rem; color: var(--muted-text);
}
.post-category {
    background: rgba(255,204,0,0.08); color: var(--primary-color);
    padding: 0.2rem 0.7rem; border-radius: 6px; font-size: 0.78rem; font-weight: 500;
}

.post-header h1 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    color: var(--heading-color); line-height: 1.3; margin-bottom: 0.8rem;
}

.post-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
    font-size: 0.78rem; font-weight: 400;
    color: var(--muted-text); padding: 0.2rem 0.6rem;
    border: 1px solid var(--card-border); border-radius: 6px;
    transition: var(--transition);
}

/* ═══ POST BODY — rich text ═══ */
.post-body {
    font-size: 1.05rem; line-height: 1.8; color: var(--secondary-text); font-weight: 400;
}
.post-body > * + * { margin-top: 1.4rem; }

.post-body h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 700; color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 2.5rem; margin-bottom: 0.3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.post-body h3 {
    font-weight: 700; color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 2rem;
}

.post-body strong { color: var(--text-color); font-weight: 600; }
.post-body em { font-style: italic; }

.post-body ul, .post-body ol {
    padding-left: 1.5rem;
}
.post-body li { margin-bottom: 0.5rem; }
.post-body li::marker { color: var(--primary-color); }

.post-body blockquote {
    border-left: 3px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--card-bg);
    border-radius: 0 12px 12px 0;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--primary-color);
    font-style: italic; color: var(--text-color);
}

.post-body pre {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.2rem 1.4rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.post-body code {
    font-family: var(--font-mono); font-size: 0.88rem;
    line-height: 1.6;
}
.post-body p code {
    background: rgba(255,255,255,0.05);
    padding: 0.15rem 0.45rem; border-radius: 6px;
    font-size: 0.9em;
}

.post-body img {
    max-width: 100%; height: auto; border-radius: 15px;
    margin: 1.5rem 0;
    border: 1px solid var(--card-border);
}

.post-body hr {
    border: none; border-top: 1px solid rgba(255,255,255,0.05);
    margin: 2.5rem 0;
}

.post-body a {
    text-decoration: underline; text-underline-offset: 3px;
    text-decoration-color: rgba(255,204,0,0.4);
}
.post-body a:hover { text-decoration-color: var(--primary-color); color: var(--accent-color); }

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.blog-footer {
    text-align: center; padding: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
    .nav { padding: 0.5rem 1.2rem; }
    .nav-mark { display: block; height: 24px; width: auto; flex-shrink: 0; position: static; visibility: visible; overflow: visible; }
    .nav-logo {
        position: absolute; left: 50%; transform: translateX(-50%); height: 24px;
    }
    .nav-links {
        position: fixed; top: 0; left: 0; right: 0; bottom: 0;
        width: 100vw; height: 100vh;
        background: rgba(0,0,0,0.97);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        display: flex; flex-direction: column; justify-content: center; align-items: center;
        gap: 1.6rem; z-index: 999;
        opacity: 0; pointer-events: none;
        transition: opacity 0.4s ease;
        padding: 0; border: none; max-height: none; overflow: visible;
    }
    .nav-links a {
        font-size: 1.1rem; font-weight: 500; letter-spacing: 1.5px;
        opacity: 0; transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
    }
    .nav.open .nav-links { opacity: 1; pointer-events: auto; }
    .nav.open .nav-links a { opacity: 1; transform: translateY(0); }
    .nav.open .nav-links a:nth-child(1) { transition-delay: 0.1s; }
    .nav.open .nav-links a:nth-child(2) { transition-delay: 0.17s; }
    .nav.open .nav-links a:nth-child(3) { transition-delay: 0.24s; }
    .nav.open .nav-links a:nth-child(4) { transition-delay: 0.31s; }
    .nav.open .nav-links a:nth-child(5) { transition-delay: 0.38s; }
    .nav-toggle {
        display: block; flex-shrink: 0; transition: transform 0.3s ease;
        font-size: 0.95rem; padding: 0.3rem 0.5rem;
    }
    .nav.open .nav-toggle { transform: rotate(90deg); }

    /* Blog index layout — tighter to match desktop proportions */
    .blog-index { padding: 4.5rem 1rem 2.5rem; }
    .blog-hero { margin-bottom: 1.5rem; }
    .blog-hero h1 { font-size: 1.6rem; padding-bottom: 0.7rem; margin-bottom: 0.3rem; }
    .blog-hero h1::after { width: 50px; height: 2px; }
    .blog-hero p { font-size: 0.85rem; margin-top: 0.4rem; }

    /* Toolbar */
    .blog-toolbar { margin-bottom: 1rem; gap: 0.5rem; }
    .blog-search { padding: 0.5rem 0.8rem; border-radius: 10px; }
    .blog-search input { font-size: 0.85rem; }
    .blog-search i { font-size: 0.8rem; }
    .filter-btn { font-size: 0.75rem; padding: 0.4rem 0.7rem; border-radius: 10px; }

    /* Post count */
    .post-count { font-size: 0.75rem; margin-bottom: 0.6rem; }

    /* Post cards — compact */
    .post-list { gap: 0.6rem; }
    .post-card { grid-template-columns: 1fr; padding: 1rem 1.2rem; border-radius: 12px; gap: 0.8rem; }
    .post-card:hover { transform: translateY(-2px); }
    .post-card.has-thumb { grid-template-columns: 1fr; }
    .post-card-thumb { height: 140px; border-radius: 8px; }
    .post-card-title { font-size: 1rem; margin-bottom: 0.2rem; }
    .post-card-excerpt { font-size: 0.85rem; -webkit-line-clamp: 2; line-clamp: 2; }
    .post-card-meta { font-size: 0.7rem; margin-top: 0.4rem; gap: 0.5rem; }
    .post-card-category { font-size: 0.65rem; padding: 0.15rem 0.5rem; }
    .post-card-arrow { display: none; }

    /* Single post */
    .post { padding: 4.5rem 1rem 2.5rem; }
    .post-header { margin-bottom: 1.5rem; }
    .back-link { font-size: 0.8rem; margin-bottom: 1rem; }
    .post-body { font-size: 0.95rem; line-height: 1.7; }
    .post-body h2 { font-size: 1.25rem; margin-top: 2rem; padding-top: 1.2rem; }
    .post-body h3 { font-size: 1.05rem; margin-top: 1.5rem; }

    /* Footer */
    .blog-footer { padding: 1.5rem 1rem; font-size: 0.75rem; }
}