/* DAT Media Marketing — Blog Stylesheet */
/* Inherits design tokens from main site — dark gold luxury system */

:root {
  --black:        #000000;
  --black-rich:   #080808;
  --black-card:   #0d0d0d;
  --black-border: #1a1a1a;
  --gold-bright:  #D4A017;
  --gold-light:   #F0C040;
  --gold-mid:     #C8860A;
  --gold-dark:    #8B5E0A;
  --gold-glow:    rgba(212, 160, 23, 0.18);
  --gold-glow-strong: rgba(212, 160, 23, 0.35);
  --gold-gradient: linear-gradient(135deg, #F0C040 0%, #D4A017 35%, #C8860A 65%, #8B5E0A 100%);
  --gold-gradient-h: linear-gradient(90deg, #8B5E0A 0%, #D4A017 40%, #F0C040 60%, #D4A017 80%, #8B5E0A 100%);
  --gold-text-gradient: linear-gradient(135deg, #F5D060 0%, #D4A017 40%, #E8B830 70%, #C8860A 100%);
  --text-white:   #FFFFFF;
  --text-light:   #E8E0D0;
  --text-muted:   #7A7060;
  --text-dim:     #4A4030;
  --font-serif:   'Playfair Display', serif;
  --font-elegant: 'Cormorant Garamond', serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --radius:       4px;
  --radius-lg:    8px;
  --nav-h:        72px;
}

/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text-light);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================================
   GOLD UTILITIES
============================================================ */
.gold {
  background: var(--gold-text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   SCROLL REVEAL
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1),
              transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-gold {
  background: var(--gold-gradient);
  color: #000;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(212,160,23,0.4); }
.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--gold-mid);
}
.btn-outline:hover { background: var(--gold-glow); border-color: var(--gold-light); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--black-border);
  font-size: 12px;
}
.btn-ghost:hover { border-color: var(--gold-dark); color: var(--gold-light); }

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--black-border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 8px; }
.nav-logo-img { height: 176px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold-light); }
.nav-cta { display: flex; align-items: center; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 1px; background: var(--text-muted); transition: all 0.3s; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   GOLD DIVIDER
============================================================ */
.gold-divider {
  height: 1px;
  background: var(--gold-gradient-h);
  opacity: 0.25;
  margin: 0;
}

/* ============================================================
   BLOG HERO
============================================================ */
.blog-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: var(--black-rich);
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold-gradient-h);
  opacity: 0.4;
}
.blog-hero::after {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse, rgba(212,160,23,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.blog-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 20px;
}
.blog-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-white);
  max-width: 700px;
  margin-bottom: 24px;
}
.blog-hero p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ============================================================
   CATEGORY FILTER
============================================================ */
.blog-filter {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.filter-btn {
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--black-border);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover,
.filter-btn.active {
  color: var(--gold-light);
  border-color: var(--gold-mid);
  background: var(--gold-glow);
}

/* ============================================================
   BLOG GRID
============================================================ */
.blog-section {
  padding: 0 0 100px;
  background: var(--black);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  transition: border-color 0.3s, transform 0.3s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: rgba(212,160,23,0.3);
  transform: translateY(-4px);
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.blog-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-img-placeholder {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.blog-card-body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.blog-card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-mid);
  padding: 3px 8px;
  border: 1px solid rgba(200,134,10,0.35);
}
.blog-card-date {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.blog-card h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-white);
  margin-bottom: 12px;
  flex: 1;
}
.blog-card h2 a:hover { color: var(--gold-light); }

.blog-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--black-border);
}
.blog-card-read {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.blog-card-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-mid);
  transition: color 0.2s;
}
.blog-card-link:hover { color: var(--gold-light); }

/* Featured post (first card) */
.blog-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}
.blog-card.featured .blog-card-img {
  aspect-ratio: unset;
  min-height: 320px;
}
.blog-card.featured h2 {
  font-size: 28px;
}
.blog-card.featured p {
  font-size: 15px;
}

/* ============================================================
   NEWSLETTER STRIP
============================================================ */
.blog-newsletter {
  background: var(--black-card);
  border-top: 1px solid var(--black-border);
  border-bottom: 1px solid var(--black-border);
  padding: 64px 0;
}
.blog-newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.nl-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 16px;
}
.blog-newsletter h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}
.blog-newsletter p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}
.nl-form { display: flex; flex-direction: column; gap: 12px; }
.nl-input {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--black-border);
  color: var(--text-light);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
}
.nl-input::placeholder { color: var(--text-dim); }
.nl-input:focus { border-color: var(--gold-mid); }
.nl-privacy { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); }

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--black-rich);
  border-top: 1px solid var(--black-border);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo { height: 40px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: 13px; color: var(--text-dim); line-height: 1.7; max-width: 260px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--text-dim); transition: color 0.2s; }
.footer-col a:hover { color: var(--text-muted); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--black-border);
}
.footer-bottom p { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--text-muted); }

/* ============================================================
   SINGLE POST PAGE
============================================================ */
.post-hero {
  padding: calc(var(--nav-h) + 64px) 0 60px;
  background: var(--black-rich);
  position: relative;
}
.post-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold-gradient-h);
  opacity: 0.35;
}

.post-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 32px;
}
.post-breadcrumb a { color: var(--gold-mid); transition: color 0.2s; }
.post-breadcrumb a:hover { color: var(--gold-light); }
.post-breadcrumb span { color: var(--text-dim); }

.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.post-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-mid);
  padding: 4px 10px;
  border: 1px solid rgba(200,134,10,0.35);
}

.post-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-white);
  max-width: 860px;
  margin-bottom: 28px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--black-border);
}
.post-author-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.post-author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gold-glow);
  border: 1px solid rgba(212,160,23,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.post-author-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
}
.post-author-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.post-meta-sep { color: var(--text-dim); }
.post-meta-item {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ============================================================
   POST CONTENT
============================================================ */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  padding: 64px 0 100px;
  align-items: start;
}

.post-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-light);
}
.post-body h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--text-white);
  margin: 56px 0 20px;
  padding-top: 0;
}
.post-body h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--text-white);
  margin: 40px 0 16px;
}
.post-body p { margin-bottom: 24px; color: var(--text-light); }
.post-body ul, .post-body ol {
  margin: 0 0 28px 0;
  padding-left: 0;
  list-style: none;
}
.post-body ul li, .post-body ol li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--text-muted);
  font-size: 16px;
}
.post-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold-mid);
}
.post-body ol { counter-reset: ol-counter; }
.post-body ol li { counter-increment: ol-counter; }
.post-body ol li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  color: var(--gold-mid);
  font-family: var(--font-mono);
  font-size: 12px;
  top: 8px;
}
.post-body a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(212,160,23,0.35);
  transition: color 0.2s;
}
.post-body a:hover { color: var(--gold-bright); }
.post-body strong { color: var(--text-white); font-weight: 600; }
.post-body em { font-style: italic; color: var(--text-muted); }

.post-pullquote {
  border-left: 2px solid var(--gold-mid);
  padding: 20px 28px;
  margin: 40px 0;
  background: rgba(212,160,23,0.04);
}
.post-pullquote p {
  font-family: var(--font-elegant);
  font-size: 22px;
  font-style: italic;
  color: var(--gold-light);
  line-height: 1.55;
  margin: 0;
}

.post-highlight-box {
  background: var(--black-card);
  border: 1px solid rgba(212,160,23,0.2);
  padding: 28px 32px;
  margin: 40px 0;
}
.post-highlight-box h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 12px;
}
.post-highlight-box p { font-size: 15px; color: var(--text-muted); margin: 0; }

/* ============================================================
   POST SIDEBAR
============================================================ */
.post-sidebar { position: sticky; top: calc(var(--nav-h) + 32px); }

.sidebar-widget {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  padding: 28px;
  margin-bottom: 24px;
}
.sidebar-widget h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--black-border);
}

.toc-list { display: flex; flex-direction: column; gap: 10px; }
.toc-item {
  font-size: 13px;
  color: var(--text-dim);
  padding-left: 14px;
  border-left: 1px solid var(--black-border);
  transition: all 0.2s;
  line-height: 1.4;
}
.toc-item a { display: block; color: inherit; }
.toc-item:hover,
.toc-item.active {
  color: var(--gold-light);
  border-left-color: var(--gold-mid);
}

.related-post {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--black-border);
}
.related-post:last-child { border-bottom: none; padding-bottom: 0; }
.related-post-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-dark);
}
.related-post-title {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  transition: color 0.2s;
}
.related-post a:hover .related-post-title { color: var(--gold-light); }

.sidebar-cta {
  background: var(--gold-gradient);
  padding: 28px;
  text-align: center;
}
.sidebar-cta h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: #000;
  margin-bottom: 10px;
}
.sidebar-cta p {
  font-size: 13px;
  color: rgba(0,0,0,0.7);
  margin-bottom: 20px;
  line-height: 1.5;
}
.sidebar-cta .btn {
  background: #000;
  color: var(--gold-light);
  width: 100%;
  justify-content: center;
  font-size: 11px;
}
.sidebar-cta .btn:hover { background: #111; transform: none; box-shadow: none; }

/* ============================================================
   POST CTA (bottom of article)
============================================================ */
.post-cta {
  background: var(--black-card);
  border: 1px solid rgba(212,160,23,0.2);
  padding: 48px;
  margin: 60px 0 0;
  text-align: center;
}
.post-cta h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}
.post-cta p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.post-cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   POST TAGS / SHARE
============================================================ */
.post-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--black-border);
  margin-top: 48px;
}
.post-footer-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-footer-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.post-share { display: flex; align-items: center; gap: 12px; }
.post-share span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.share-btn {
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--black-border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.share-btn:hover { border-color: var(--gold-mid); color: var(--gold-light); }

/* ============================================================
   MOBILE
============================================================ */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(0,0,0,0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  padding: 24px 32px;
  gap: 16px;
  z-index: 999;
  border-bottom: 1px solid var(--black-border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--black-border);
}
.mobile-menu a:last-child { border-bottom: none; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.featured { grid-template-columns: 1fr; }
  .blog-card.featured .blog-card-img { min-height: 220px; }
  .blog-newsletter-inner { grid-template-columns: 1fr; gap: 32px; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .post-cta { padding: 32px 24px; }
}
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .blog-hero h1 { font-size: 36px; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .post-cta-btns { flex-direction: column; align-items: center; }
}