/* ════════════════════════════════════
   KAFFRA BLOG — SHARED STYLES
   ════════════════════════════════════ */

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

:root {
  --black:        #000000;
  --surface:      #0a0a0a;
  --card:         #0f0f0f;
  --card2:        #141414;
  --border:       rgba(255,255,255,.07);
  --border-md:    rgba(255,255,255,.11);
  --white:        #ffffff;
  --white-80:     rgba(255,255,255,.8);
  --white-60:     rgba(255,255,255,.6);
  --white-30:     rgba(255,255,255,.3);
  --white-10:     rgba(255,255,255,.07);
  --amber:        #F59E0B;
  --amber-glow:   rgba(245,158,11,.2);
  --amber-dim:    rgba(245,158,11,.07);
  --amber-border: rgba(245,158,11,.22);
  --amber-text:   rgba(245,158,11,.9);
  --font-sans:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--white-80);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::after {
  content: "";
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  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='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: .022;
}

/* ─── NAV ─── */
.blog-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.blog-nav-brand {
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 500;
  color: var(--white-60);
  text-decoration: none;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s;
}
.blog-nav-brand:hover { color: var(--white); }
.blog-nav-brand span { color: var(--amber); }

.blog-nav-links {
  display: flex; gap: 1.5rem; list-style: none;
}
.blog-nav-links a {
  font-size: .82rem; font-weight: 500;
  color: var(--white-30); text-decoration: none;
  transition: color .2s;
}
.blog-nav-links a:hover { color: var(--white); }

@media (max-width: 640px) {
  .blog-nav-links { display: none; }
}

/* ─── ARTICLE LAYOUT ─── */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 8rem clamp(1.5rem, 4vw, 2rem) 4rem;
}

/* ─── ARTICLE HEADER ─── */
.blog-meta {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 2rem;
}

.blog-category {
  font-family: var(--font-mono);
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--amber-text);
  padding: .35rem .75rem;
  background: var(--amber-dim);
  border: 1px solid var(--amber-border);
  border-radius: 4px;
  text-decoration: none;
}

.blog-date {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--white-30);
}

.blog-read-time {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--white-30);
}

.blog-article h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.blog-subtitle {
  font-size: 1.1rem;
  color: var(--white-60);
  line-height: 1.8;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

/* ─── ARTICLE CONTENT ─── */
.blog-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--white);
  margin: 3rem 0 1rem;
}

.blog-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin: 2rem 0 .75rem;
}

.blog-content p {
  margin-bottom: 1.25rem;
  font-size: .95rem;
  color: var(--white-80);
  line-height: 1.9;
}

.blog-content ul, .blog-content ol {
  margin: 1rem 0 1.5rem 1.25rem;
}

.blog-content li {
  font-size: .95rem;
  color: var(--white-80);
  line-height: 1.8;
  margin-bottom: .5rem;
}

.blog-content li::marker {
  color: var(--amber);
}

.blog-content strong {
  color: var(--white);
  font-weight: 600;
}

.blog-content em {
  color: var(--white-60);
  font-style: italic;
}

.blog-content a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-border);
  transition: border-color .2s;
}
.blog-content a:hover {
  border-color: var(--amber);
}

/* ─── BLOCKQUOTE ─── */
.blog-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 2px solid var(--amber);
  background: var(--amber-dim);
  border-radius: 0 8px 8px 0;
}
.blog-content blockquote p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0;
  font-style: italic;
}

/* ─── HIGHLIGHT BOX ─── */
.blog-highlight {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: var(--card);
  border: 1px solid var(--border-md);
  border-radius: 12px;
}
.blog-highlight h4 {
  font-size: .85rem;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ─── TABLE ─── */
.blog-content table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: .88rem;
}
.blog-content th {
  text-align: left;
  padding: .75rem 1rem;
  font-weight: 600;
  color: var(--white);
  border-bottom: 1px solid var(--border-md);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.blog-content td {
  padding: .75rem 1rem;
  color: var(--white-80);
  border-bottom: 1px solid var(--border);
}

/* ─── CTA SECTION ─── */
.blog-cta {
  margin: 3rem 0;
  padding: 2.5rem;
  background: var(--card);
  border: 1px solid var(--amber-border);
  border-radius: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, var(--amber-dim) 0%, transparent 60%);
  pointer-events: none;
}
.blog-cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .75rem;
  position: relative;
}
.blog-cta p {
  font-size: .9rem;
  color: var(--white-60);
  margin-bottom: 1.5rem;
  position: relative;
}
.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 600;
  border: none;
  border-radius: 7px;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
  position: relative;
  cursor: pointer;
}
.blog-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,.1);
}

/* ─── TAGS ─── */
.blog-tags {
  display: flex; gap: .5rem; flex-wrap: wrap;
  margin: 3rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.blog-tag {
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--white-30);
  padding: .3rem .6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  transition: all .2s;
}
.blog-tag:hover {
  color: var(--amber-text);
  border-color: var(--amber-border);
}

/* ─── RELATED / SHARE ─── */
.blog-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.blog-related h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.blog-related-list {
  display: flex; flex-direction: column; gap: .75rem;
  list-style: none;
}
.blog-related-list a {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color .2s;
}
.blog-related-list a:hover {
  border-color: var(--amber-border);
}
.blog-related-list .related-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--white);
}
.blog-related-list .related-desc {
  font-size: .8rem;
  color: var(--white-30);
  margin-top: .25rem;
}

/* ─── FOOTER ─── */
.blog-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.blog-footer p {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--white-30);
  letter-spacing: .05em;
}
.blog-footer a {
  color: var(--amber-text);
  text-decoration: none;
}

/* ─── BLOG INDEX ─── */
.blog-index-hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 8rem clamp(1.5rem, 4vw, 2rem) 3rem;
}
.blog-index-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.blog-index-hero h1 em {
  font-weight: 300;
  color: var(--white-60);
}
.blog-index-hero h1 span {
  color: var(--amber);
}
.blog-index-hero p {
  font-size: 1.05rem;
  color: var(--white-60);
  max-width: 560px;
}

/* ─── BLOG GRID ─── */
.blog-filters {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 2rem) 2rem;
  display: flex; gap: .75rem; flex-wrap: wrap;
}
.blog-filter-btn {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--white-30);
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .4rem .8rem;
  cursor: pointer;
  transition: all .2s;
}
.blog-filter-btn:hover, .blog-filter-btn.active {
  color: var(--amber-text);
  border-color: var(--amber-border);
  background: var(--amber-dim);
}

.blog-grid {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 2rem) 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.25rem;
}
@media (max-width: 500px) {
  .blog-grid { grid-template-columns: 1fr; }
}

.blog-card {
  display: block;
  padding: 1.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color .2s, transform .2s;
}
.blog-card:hover {
  border-color: var(--amber-border);
  transform: translateY(-2px);
}
.blog-card-cat {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--amber-text);
  margin-bottom: .75rem;
}
.blog-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.02em;
  line-height: 1.3;
  margin-bottom: .5rem;
}
.blog-card p {
  font-size: .82rem;
  color: var(--white-30);
  line-height: 1.6;
}
.blog-card-meta {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--white-30);
}

/* ─── SCROLL REVEAL ─── */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: translateY(0); }

/* ─── SCHEMA BREADCRUMB ─── */
.blog-breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
}
.blog-breadcrumb a {
  color: var(--white-30);
  text-decoration: none;
  transition: color .2s;
}
.blog-breadcrumb a:hover { color: var(--white); }
.blog-breadcrumb span { color: var(--white-30); }