/* ============================================================
   LABYRINTH BJJ — BLOG STYLESHEET (Standalone)
   Design tokens reproduced from main site.
   ============================================================ */

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

:root {
  /* Colors */
  --bg: #0A0A0A;
  --bg-surface: #111111;
  --bg-card: #161616;
  --bg-elevated: #1A1A1A;
  --text: #F0F0F0;
  --text-muted: #999999;
  --text-dim: #666666;
  --gold: #C8A24C;
  --gold-hover: #D4B05C;
  --gold-dim: rgba(200, 162, 76, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(200, 162, 76, 0.3);

  /* Typography */
  --font-display: 'Clash Display', system-ui, sans-serif;
  --font-body: 'General Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --content-width: 720px;
  --page-width: 1120px;
  --nav-height: 64px;
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

::selection {
  background: var(--gold);
  color: var(--bg);
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-hover));
  z-index: 10000;
  transition: width 0.1s linear;
}

/* --- Navigation --- */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.blog-nav__inner {
  max-width: var(--page-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.blog-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

.blog-nav__logo:hover { color: var(--gold); }

.blog-nav__logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.blog-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.blog-nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.blog-nav__link:hover { color: var(--text); }

.blog-nav__link--active {
  color: var(--gold);
}

.blog-nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--gold);
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.blog-nav__cta:hover {
  background: var(--gold-hover);
  color: var(--bg);
  transform: translateY(-1px);
}

/* --- Page Wrapper --- */
.blog-page {
  padding-top: var(--nav-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.blog-page__content {
  flex: 1;
}

/* --- Blog Index (Listing Page) --- */
.blog-hero {
  padding: var(--space-4xl) var(--space-xl) var(--space-2xl);
  text-align: center;
  max-width: var(--page-width);
  margin: 0 auto;
}

.blog-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--text);
  margin-bottom: var(--space-md);
}

.blog-hero__title span { color: var(--gold); }

.blog-hero__sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Article Grid */
.blog-grid {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-4xl);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

.blog-card__meta span:not(:last-child)::after {
  content: "·";
  margin-left: var(--space-sm);
}

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.blog-card__title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-card__title a:hover { color: var(--gold); }

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  flex: 1;
}

.blog-card__read {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  transition: gap 0.2s ease;
}

.blog-card__read:hover {
  gap: var(--space-sm);
}

/* Featured card — spans full width */
.blog-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.blog-card--featured .blog-card__image {
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border-radius: var(--radius);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blog-card--featured .blog-card__image-placeholder {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--gold-dim);
  opacity: 0.5;
}

/* --- Article Page --- */
/* Breadcrumbs */
.breadcrumbs {
  max-width: var(--content-width);
  margin: var(--space-xl) auto var(--space-md);
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumbs a:hover { color: var(--gold); }

.breadcrumbs__sep {
  color: var(--gold);
  font-size: 0.75rem;
}

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

/* Article Header */
.article-header {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl) var(--space-2xl);
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: var(--space-lg);
}

.article-header__meta span:not(:last-child)::after {
  content: "·";
  margin-left: var(--space-sm);
}

.article-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  color: var(--text);
  margin-bottom: var(--space-lg);
}

.article-header__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hero Image */
.article-hero {
  max-width: var(--page-width);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-xl);
}

.article-hero__img {
  width: 100%;
  aspect-ratio: 21/9;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-surface) 50%, rgba(200,162,76,0.05) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* Article Body */
.article-body {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-3xl);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text);
}

.article-body h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--text);
  margin: var(--space-3xl) 0 var(--space-lg) 0;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--gold-dim);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text);
  margin: var(--space-2xl) 0 var(--space-md) 0;
}

.article-body p {
  margin-bottom: var(--space-lg);
}

.article-body ul,
.article-body ol {
  margin: 0 0 var(--space-lg) var(--space-xl);
}

.article-body li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.article-body li::marker {
  color: var(--gold);
}

.article-body strong {
  font-weight: 600;
  color: var(--text);
}

.article-body blockquote {
  border-left: 3px solid var(--gold);
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-xl) 0;
  background: var(--bg-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-muted);
}

.article-body a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: rgba(200, 162, 76, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.article-body a:hover {
  text-decoration-color: var(--gold);
}

/* CTA Box */
.article-cta {
  max-width: var(--content-width);
  margin: 0 auto var(--space-3xl);
  padding: 0 var(--space-xl);
}

.article-cta__box {
  background: var(--bg-surface);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.article-cta__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.article-cta__text {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.article-cta__btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--gold);
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.article-cta__btn:hover {
  background: var(--gold-hover);
  color: var(--bg);
  transform: translateY(-2px);
}

/* Author Card */
.author-card {
  max-width: var(--content-width);
  margin: 0 auto var(--space-3xl);
  padding: 0 var(--space-xl);
}

.author-card__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
}

.author-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gold);
  flex-shrink: 0;
}

.author-card__info {
  flex: 1;
}

.author-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 2px;
}

.author-card__title {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.author-card__title a {
  color: var(--gold);
  text-decoration: none;
}

/* Related Articles */
.related {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-4xl);
}

.related__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.related__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

/* --- Footer --- */
.blog-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}

.blog-footer__inner {
  max-width: var(--page-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.blog-footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.blog-footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-footer__links a:hover { color: var(--gold); }

.blog-footer__copy {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.blog-footer__copy a {
  color: var(--text-dim);
  text-decoration: none;
}

.blog-footer__copy a:hover { color: var(--text-muted); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    padding: 0 var(--space-md) var(--space-3xl);
  }

  .blog-card--featured {
    grid-template-columns: 1fr;
  }

  .blog-card--featured .blog-card__image {
    aspect-ratio: 16/9;
  }

  .blog-hero {
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
  }

  .blog-nav__inner {
    padding: 0 var(--space-md);
  }

  .blog-nav__links {
    gap: var(--space-md);
  }

  .blog-nav__cta {
    display: none;
  }

  .breadcrumbs,
  .article-header,
  .article-body,
  .article-cta,
  .author-card {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .article-header__title {
    font-size: 1.75rem;
  }

  .article-body h2 {
    font-size: 1.3rem;
  }

  .related__grid {
    grid-template-columns: 1fr;
  }

  .related {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .author-card__inner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .blog-nav__link--active {
    display: none;
  }

  .blog-card {
    padding: var(--space-lg);
  }

  .blog-card__title {
    font-size: 1.15rem;
  }
}