:root {
  --neon-purple: #a855f7;
  --neon-cyan: #2dd4bf;
  --neon-blue: #3b82f6;
  --bg-deep: #0a0a0f;
  --bg-card: #14141c;
  --bg-card-hover: #1a1a24;
  --border-subtle: rgba(168, 85, 247, 0.25);
  --border-soft: rgba(255, 255, 255, 0.06);
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
}

* { box-sizing: border-box; }

body.blog-cyber {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
}

.grid-bg {
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
}

.nav-cyber {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-cyber .navbar-brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff !important;
}

.nav-cyber .nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
}

.nav-cyber .nav-link:hover { color: var(--neon-purple) !important; }

.cyber-frame {
  position: relative;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: clamp(1.5rem, 4vw, 3rem);
  margin: clamp(0.5rem, 2vw, 1.2rem) auto;
  max-width: 1200px;
  box-shadow:
    0 0 40px rgba(168, 85, 247, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.05);
  overflow: hidden;
}

.cyber-frame--wide {
  background:
    radial-gradient(ellipse 120% 80% at 50% 50%, rgba(168, 85, 247, 0.09) 0%, transparent 55%),
    radial-gradient(ellipse 90% 60% at 80% 30%, rgba(59, 130, 246, 0.06) 0%, transparent 45%),
    radial-gradient(ellipse 80% 50% at 15% 70%, rgba(45, 212, 191, 0.05) 0%, transparent 40%);
}

.cyber-frame-inner { position: relative; z-index: 1; }

.cyber-frame::before,
.cyber-frame::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  pointer-events: none;
  z-index: 2;
}

.cyber-frame::before {
  top: -1px;
  right: -1px;
  border-top: 2px solid var(--neon-purple);
  border-right: 2px solid var(--neon-purple);
  border-radius: 0 16px 0 0;
}

.cyber-frame::after {
  bottom: -1px;
  left: -1px;
  border-bottom: 2px solid var(--neon-cyan);
  border-left: 2px solid var(--neon-cyan);
  border-radius: 0 0 0 16px;
}

.badge-pill-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--neon-purple);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--neon-purple);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.breadcrumb-cyber {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 600;
}

.meta-pill i {
  color: var(--neon-cyan);
}

.hero-headline-wrap {
  display: block;
  margin-top: 0.75rem;
}

.hero-headline-wrap .hero-title-line1 { margin-top: 0; }

.hero-title-line1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 1rem 0 0;
}

.hero-title-line2 {
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0;
  background: linear-gradient(135deg, #e879f9 0%, #c084fc 35%, #a855f7 70%, #7c3aed 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--neon-purple);
}

.hero-title-single {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 1rem 0 0;
  color: #fff;
}

.hero-lead {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-muted);
  max-width: 40rem;
  margin-top: 1rem;
}

.hero-lead strong {
  color: #d8b4fe;
  font-weight: 700;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag-chip {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid;
  background: rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.tag-chip:hover { transform: translateY(-2px); }
.tag-chip--purple { border-color: var(--neon-purple); color: #e9d5ff; }
.tag-chip--cyan { border-color: var(--neon-cyan); color: #99f6e4; }
.tag-chip--blue { border-color: var(--neon-blue); color: #93c5fd; }

.cyber-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cyber-mini-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
  transition: background 0.2s, border-color 0.2s;
}

.cyber-mini-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.1);
}

.cyber-mini-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.cyber-mini-card--p::before { background: var(--neon-purple); }
.cyber-mini-card--c::before { background: var(--neon-cyan); }
.cyber-mini-card--b::before { background: var(--neon-blue); }

.cyber-mini-card__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.cyber-mini-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.25rem;
}

.cyber-mini-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.brand-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.brand-footer__icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--neon-purple), #7c3aed);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.75rem;
}

.section-dark {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem) 3rem;
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: 1.5rem;
}

.section-card h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.section-card h2 i {
  color: var(--neon-cyan);
  margin-right: 0.5rem;
}

.section-card h3,
.section-card h4,
.section-card h5 {
  color: #f1f5f9;
  font-weight: 600;
}

.section-card h4 {
  font-size: 1rem;
  margin-top: 1rem;
}

.section-card p,
.section-card li {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-card ul,
.section-card ol {
  margin-bottom: 0;
}

.callout-cyber {
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: #ccfbf1;
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.fact-grid-card {
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.06);
  height: 100%;
}

.fact-grid-card i {
  font-size: 1.4rem;
  margin-bottom: 0.7rem;
}

.fact-grid-card h4 {
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.img-cyber {
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  width: 100%;
  height: auto;
  display: block;
}

.article-shot {
  padding: 0.75rem;
  border-radius: 12px;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.06);
  height: 100%;
}

.article-shot p {
  margin: 0.65rem 0 0;
  font-size: 0.85rem;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  padding: 0.9rem;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    rgba(0,0,0,0.24);
  border: 1px solid rgba(255,255,255,0.07);
  height: 100%;
}

.showcase-card--feature {
  padding: 1rem;
  background:
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.12), transparent 35%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    rgba(0,0,0,0.26);
}

.showcase-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 191, 0.35);
  color: #ccfbf1;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.showcase-card img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  cursor: zoom-in;
}

.showcase-card h3 {
  margin: 0.9rem 0 0.35rem;
  font-size: 1.02rem;
}

.showcase-card p {
  margin: 0;
  font-size: 0.9rem;
}

.showcase-stack {
  display: grid;
  gap: 1rem;
  height: 100%;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.media-frame {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    radial-gradient(circle at top right, rgba(168,85,247,0.12), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    rgba(6, 10, 18, 0.9);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  border: none;
}

.media-frame--contain img {
  object-fit: contain;
  padding: 0.4rem;
}

.showcase-card__body {
  margin-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.shot-compact img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  cursor: zoom-in;
}

.section-note {
  max-width: 50rem;
  color: var(--text-soft);
}

.story-flow-grid,
.story-stack {
  display: grid;
  gap: 1rem;
}

.story-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 1.2rem;
  align-items: center;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.07);
  background:
    radial-gradient(circle at top right, rgba(168,85,247,0.09), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    rgba(0,0,0,0.22);
}

.story-block--reverse {
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
}

.story-copy {
  min-width: 0;
}

.story-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(45,212,191,0.35);
  color: #ccfbf1;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.story-copy h3 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  color: #fff;
}

.story-copy p {
  margin: 0 0 0.65rem;
  color: var(--text-muted);
}

.story-copy p:last-child {
  margin-bottom: 0;
}

.story-visual {
  min-width: 0;
}

.story-visual .media-frame,
.story-visual .img-cyber {
  width: 100%;
}

.story-visual .media-frame img,
.story-visual .img-cyber {
  aspect-ratio: 16 / 10;
}

.story-visual--diagram .img-cyber {
  object-fit: contain;
  background:
    radial-gradient(circle at top right, rgba(34,211,238,0.12), transparent 28%),
    rgba(7, 10, 16, 0.92);
  padding: 0.35rem;
}

.img-cyber {
  cursor: zoom-in;
}

.zoomable-media {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.zoomable-media:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 1080;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(5, 8, 15, 0.86);
  backdrop-filter: blur(10px);
}

.lightbox-overlay.is-open {
  display: flex;
}

.lightbox-dialog {
  position: relative;
  width: min(94vw, 1480px);
  max-height: 92vh;
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(circle at top right, rgba(168,85,247,0.14), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    rgba(9, 12, 19, 0.96);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.lightbox-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.12);
}

.lightbox-content {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(70vh, 720px);
}

.lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.12);
}

.lightbox-caption {
  margin-top: 0.85rem;
  color: var(--text-soft);
  font-size: 0.95rem;
  text-align: center;
}

body.lightbox-open {
  overflow: hidden;
}

.toc-card ul,
.toc-card ol {
  margin-bottom: 0;
  padding-left: 1.1rem;
}

.toc-card li + li { margin-top: 0.45rem; }

.article-date {
  color: var(--neon-cyan);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.accordion-cyber .accordion-item {
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-main);
}

.accordion-cyber .accordion-button {
  background: rgba(20, 20, 28, 0.9);
  color: #fff;
  font-weight: 600;
}

.accordion-cyber .accordion-button:not(.collapsed) {
  background: rgba(168, 85, 247, 0.15);
  color: #fff;
  box-shadow: none;
}

.accordion-cyber .accordion-button::after { filter: invert(1); }
.accordion-cyber .accordion-body {
  color: var(--text-muted);
  background: rgba(0,0,0,0.15);
}

.related-tile {
  display: block;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background: rgba(0,0,0,0.2);
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.related-tile:hover {
  border-color: var(--neon-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.15);
}

.related-tile h5,
.related-tile h6 { color: #fff; }
.related-tile .text-muted { color: var(--text-muted) !important; }

.cta-cyber {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(168, 85, 247, 0.35);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(59, 130, 246, 0.1));
  box-shadow: 0 0 40px rgba(168, 85, 247, 0.12);
}

.btn-cyber {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--neon-purple), #7c3aed);
  color: #fff !important;
  text-decoration: none;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-cyber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168, 85, 247, 0.4);
  color: #fff !important;
}

.btn-cyber-outline {
  background: transparent;
  border: 2px solid #fff;
  color: #fff !important;
}

.btn-cyber-outline:hover {
  background: #fff;
  color: var(--bg-deep) !important;
  box-shadow: none;
}

.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.blog-index-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 1rem;
  height: 100%;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.blog-index-card:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.12);
}

.blog-index-thumb {
  height: 92px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, #2563eb, #0ea5e9);
}

.blog-index-card h3 {
  font-size: 1.05rem;
  margin: 0.9rem 0 0.45rem;
  color: #fff;
}

.blog-index-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.7rem;
}

.blog-index-meta {
  color: var(--neon-cyan);
  font-size: 0.82rem;
  font-weight: 600;
}

.blog-index-submeta {
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.78rem;
}

footer.footer-cyber {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer.footer-cyber a {
  color: var(--neon-cyan);
  text-decoration: none;
}

footer.footer-cyber a:hover { text-decoration: underline; }

@media (min-width: 1200px) {
  .grid-bg {
    background-size: 40px 22px;
    background-image:
      linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  }

  .cyber-frame {
    max-width: min(92vw, 1480px);
    padding: 1.75rem 2.5rem 2rem;
  }

  .hero-landscape-row {
    min-height: min(42vh, 460px);
    align-items: center !important;
  }

  .hero-title-line1 { font-size: clamp(2.25rem, 3.2vw, 3rem); }
  .hero-title-line2 { font-size: clamp(2.35rem, 3.5vw, 3.25rem); }
  .section-dark { max-width: min(92vw, 1480px); }
}

@media (min-width: 1400px) {
  .cyber-frame {
    max-width: min(94vw, 1720px);
    padding: 1.5rem 3rem 1.75rem;
    border-radius: 20px;
  }

  .hero-landscape-row { min-height: min(36vh, 400px); }

  .hero-headline-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0 0.65rem;
  }

  .hero-title-line1,
  .hero-title-line2 {
    display: inline;
    margin: 0;
    line-height: 1.1;
  }

  .hero-title-sep {
    display: inline;
    color: rgba(168, 85, 247, 0.45);
    font-weight: 300;
    font-size: 2.5rem;
    line-height: 0;
    vertical-align: middle;
    user-select: none;
  }

  .section-dark { max-width: min(94vw, 1720px); }
}

@media (min-width: 1600px) {
  .hero-landscape-row { min-height: min(34vh, 380px); }
  .cyber-frame { max-width: min(96vw, 1800px); }
  .section-dark { max-width: min(96vw, 1800px); }
}

@media (max-width: 991.98px) {
  .cyber-frame {
    margin-left: 0.75rem;
    margin-right: 0.75rem;
  }

  .cyber-stack { margin-top: 2rem; }
  .showcase-grid { grid-template-columns: 1fr; }
  .story-block,
  .story-block--reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .tag-row { gap: 0.35rem; }
  .tag-chip {
    font-size: 0.72rem;
    padding: 0.35rem 0.75rem;
  }

  .cyber-mini-card {
    flex-direction: column;
    align-items: stretch;
  }

  .table-responsive { font-size: 0.8rem; }
  .lightbox-overlay {
    padding: 0.8rem;
  }
  .lightbox-dialog {
    width: 100%;
    padding: 0.75rem;
  }
  .lightbox-content {
    min-height: auto;
  }
  .lightbox-content img {
    max-height: 78vh;
  }
}