/* ==============================================
   CinePrompt Guides — Stylesheet
   Dark cinematic editorial design
   Palette: extends CinePrompt's gold/dark system
   ============================================== */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #060606;
    --bg-card: #0d0d0b;
    --bg-card-hover: #141410;
    --text: #e8dcc8;
    --text-dim: #8a7e6b;
    --text-faint: #5a5245;
    --accent: #c9a84c;
    --accent-light: #e0c068;
    --accent-dark: #9a7a30;
    --accent-glow: rgba(201, 168, 76, 0.08);
    --border: #1e1c17;
    --border-light: #2a2418;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-mono: 'Courier Prime', 'Courier New', monospace;
    --max-width: 1100px;
    --gutter: 2rem;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

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

/* --- Ambient Glow --- */
.ambient-glow {
    position: fixed;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(201, 168, 76, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* --- Navigation --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem var(--gutter);
    background: rgba(6, 6, 6, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    display: flex;
    align-items: center;
}
.nav-logo img {
    height: 22px;
    width: auto;
    display: block;
}
.nav-logo:hover { opacity: 0.85; }

.nav-links { display: flex; gap: 1.25rem; align-items: center; }

.nav-link {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-dim);
    letter-spacing: 0.3px;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--accent); }

/* --- Hero --- */
.hero {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 5rem var(--gutter) 3rem;
    border-bottom: 1px solid var(--border);
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 400;
    color: var(--text);
    letter-spacing: -0.5px;
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.hero-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    margin-top: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-dim);
    max-width: 600px;
    line-height: 1.65;
}

/* --- Articles List --- */
.articles {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem var(--gutter) 6rem;
}

/* --- Card (shared) --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2.25rem 2.5rem;
    cursor: pointer;
    transition: background 0.3s, border-color 0.3s, transform 0.3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-dark), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
}
.card:hover::before { opacity: 1; }

.card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 0.25rem 0.65rem;
    border-radius: 3px;
    border: 1px solid rgba(201, 168, 76, 0.12);
}

.card-meta time {
    font-size: 0.8rem;
    color: var(--text-faint);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 0.75rem;
    letter-spacing: -0.2px;
    transition: color 0.2s;
}
.card:hover .card-title { color: var(--accent-light); }

.card-excerpt {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--text-dim);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.card-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-faint);
}

.card-author-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.card-readtime { color: var(--text-faint); }

/* --- Featured Card --- */
.card.featured {
    padding: 3rem;
    margin-bottom: 2.5rem;
    border-color: var(--border-light);
}

.card.featured .card-title {
    font-size: 2rem;
}

.card.featured .card-excerpt {
    font-size: 1rem;
    max-width: 650px;
}

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

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2rem var(--gutter) 1.5rem;
    color: var(--text-faint);
    font-size: 0.7rem;
    border-top: 1px solid var(--border);
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer a {
    color: var(--text-dim);
    transition: color 0.2s;
}
.footer a:hover { color: var(--accent); }
.footer-sep { margin: 0 0.5rem; }

/* --- Article Page (for individual guide pages) --- */
.article-header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem var(--gutter) 2rem;
}

.article-back {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    letter-spacing: 1px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 2.5rem;
    transition: color 0.2s;
}
.article-back:hover { color: var(--accent-light); }

.article-header .card-meta { margin-bottom: 1.5rem; }

.article-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 600;
    color: var(--text);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.3px;
}

.article-lead {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--text-dim);
    max-width: 640px;
    line-height: 1.7;
}

/* --- Article Body --- */
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem var(--gutter) 6rem;
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 600;
    color: var(--text);
    margin: 3rem 0 1rem;
    letter-spacing: -0.2px;
}

.article-body h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin: 2rem 0 0.75rem;
}

.article-body p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
}

.article-body strong {
    font-weight: 500;
    color: var(--text);
}

.article-body em {
    font-style: italic;
    color: var(--text);
}

.article-body blockquote {
    border-left: 2px solid var(--accent-dark);
    padding: 0.75rem 1.5rem;
    margin: 2rem 0;
    background: rgba(201, 168, 76, 0.03);
    border-radius: 0 4px 4px 0;
}

.article-body blockquote p {
    font-style: italic;
    color: var(--text);
    font-size: 1.05rem;
    margin-bottom: 0;
}

.article-body code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: rgba(255, 255, 255, 0.04);
    padding: 0.15em 0.4em;
    border-radius: 3px;
    color: var(--accent-light);
}

.article-body pre {
    background: #0a0a08;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

.article-body pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-dim);
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.5rem;
    padding-left: 1.5rem;
}

.article-body li {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.article-body img {
    width: 100%;
    border-radius: 6px;
    border: 1px solid var(--border);
    margin: 2rem 0;
}

.article-body .caption {
    font-size: 0.8rem;
    color: var(--text-faint);
    text-align: center;
    margin-top: -1.25rem;
    margin-bottom: 2rem;
}

/* --- Divider --- */
.article-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3rem auto;
    max-width: 120px;
}

/* --- Reading Progress Bar --- */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent), var(--accent-light));
    z-index: 200;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    :root { --gutter: 1.25rem; }
    
    .nav { gap: 0.75rem; }
    .nav-logo img { height: 18px; }
    .nav-links { gap: 0.75rem; }
    .nav-link { font-size: 0.78rem; white-space: nowrap; }
    
    .hero { padding: 3.5rem var(--gutter) 2rem; }
    .hero-title { font-size: 2.5rem; }
    
    .card { padding: 1.5rem 1.75rem; }
    .card.featured { padding: 2rem; }
    .card.featured .card-title { font-size: 1.5rem; }
    
    .card-grid { grid-template-columns: 1fr; }
    
    .article-body { padding: 1.5rem var(--gutter) 4rem; }
}

@media (max-width: 480px) {
    .nav { padding: 1rem var(--gutter); }
    .nav-logo img { height: 16px; }
    .nav-links { gap: 0.6rem; }
    .nav-link { font-size: 0.72rem; }
    .builder-link { font-size: 0; }
    .builder-link::after { content: "Builder →"; font-size: 0.72rem; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
}