/* ============================================================
   DATA-SOFTWARE ANALYSIS — Unified Blog Stylesheet v3.0
   Single CSS file for ALL blog pages (listing + articles)
   Design: GenZ — dark cosmos · neon gradients · serif accents
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Instrument+Serif&display=swap');

/* ── Design tokens ── */
:root {
    --blue:          #2ea4ff;
    --blue-deep:     #1a7ad4;
    --blue-glow:     rgba(46, 164, 255, 0.22);
    --blue-glow-lg:  rgba(46, 164, 255, 0.10);

    --text:          #f0f7ff;
    --text-muted:    #8aaac8;
    --text-body:     #b8cfe8;

    --bg:            #051224;
    --bg-deep:       #030c1a;

    --transition:    0.35s cubic-bezier(0.4, 0, 0.2, 1);

  --font-body:    'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:   'Instrument Serif', Georgia, serif;
  --font-read:    'Inter', system-ui, sans-serif;

  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 36px;

  --max-w: 1280px;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content:""; position:fixed; inset:0;
  background:
    radial-gradient(900px 600px at 10% -10%, rgba(255,92,244,.10), transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(124,92,255,.10), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(34,211,238,.08), transparent 60%);
  pointer-events:none; z-index:-1;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; }

::-webkit-scrollbar { width:8px; }
::-webkit-scrollbar-track { background:var(--bg-2); }
::-webkit-scrollbar-thumb { background:linear-gradient(var(--violet),var(--pink)); border-radius:8px; }

/* ── Reading progress bar ── */
#reading-progress {
  position:fixed; top:0; left:0; height:3px; width:0;
  background:linear-gradient(90deg, var(--pink), var(--violet), var(--cyan));
  z-index:9999; transition:width .1s ease;
}

/* ── Spinner ── */
#spinner {
  position:fixed; inset:0; background:var(--bg); z-index:10000;
  display:flex; align-items:center; justify-content:center;
  transition:opacity .4s ease, visibility .4s ease;
}
.spinner-ring {
  width:50px; height:50px; border-radius:50%;
  border:3px solid var(--line-2);
  border-top-color:var(--pink);
  border-right-color:var(--violet);
  animation:spin .9s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }
#spinner.hide { opacity:0; visibility:hidden; }

/* ============================================================
   LISTING PAGE — HERO
   ============================================================ */
.bx-hero {
  position:relative; padding:120px 24px 80px;
  overflow:hidden; isolation:isolate;
}
.bx-hero-grid-bg {
  position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.bx-blob {
  position:absolute; border-radius:50%;
  filter:blur(80px); opacity:.55; z-index:-1;
  animation:bxFloat 18s ease-in-out infinite;
}
.bx-blob-1 { width:480px; height:480px; background:var(--pink);   top:-120px; left:-80px; }
.bx-blob-2 { width:420px; height:420px; background:var(--violet); top:40px;   right:-120px; animation-delay:-6s; }
.bx-blob-3 { width:360px; height:360px; background:var(--cyan);   bottom:-180px; left:40%; animation-delay:-12s; }
@keyframes bxFloat {
  0%,100% { transform:translate(0,0) scale(1); }
  50%     { transform:translate(40px,-30px) scale(1.08); }
}

.bx-hero-inner { max-width:1200px; margin:0 auto; text-align:center; position:relative; }
.bx-pill {
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 16px; border-radius:999px;
  background:rgba(255,255,255,.04); border:1px solid var(--line-2);
  font-size:13px; backdrop-filter:blur(10px);
  animation:bxFadeUp .8s ease both;
}
.bx-pulse {
  width:8px; height:8px; border-radius:50%; background:var(--lime);
  box-shadow:0 0 0 0 var(--lime);
  animation:bxPulse 1.8s ease-out infinite;
}
@keyframes bxPulse {
  0%   { box-shadow:0 0 0 0 rgba(198,255,61,.7); }
  100% { box-shadow:0 0 0 14px rgba(198,255,61,0); }
}

.bx-hero-title {
  margin:24px 0 18px;
  font-size:clamp(44px, 7vw, 96px);
  font-weight:700; letter-spacing:-.04em; line-height:.98;
  animation:bxFadeUp 1s .1s ease both;
}
.bx-grad {
  background: #1a7ad4;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  background-size:200% 100%; animation:bxShift 6s linear infinite;
}
@keyframes bxShift { to { background-position:200% 0; } }
.bx-stroke {
  font-family:var(--font-serif); font-style:italic; font-weight:400;
  -webkit-text-stroke:1.5px var(--text); color:transparent;
}
.bx-hero-sub {
  max-width:640px; margin:0 auto;
  color:var(--muted); font-size:18px; line-height:1.6;
  animation:bxFadeUp 1s .25s ease both;
}
.bx-hero-meta {
  margin-top:40px;
  display:inline-flex; gap:8px; flex-wrap:wrap; justify-content:center;
  padding:10px; border:1px solid var(--line-2); border-radius:999px;
  background:rgba(255,255,255,.03);
  animation:bxFadeUp 1s .4s ease both;
}
.bx-stat {
  padding:10px 22px; border-radius:999px;
  background:rgba(255,255,255,.04);
  display:flex; flex-direction:column; align-items:center;
}
.bx-stat b { font-size:20px; font-weight:700; }
.bx-stat span { font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.12em; }

/* Marquee ticker */
.bx-ticker {
  margin-top:56px; padding:18px 0;
  border-block:1px solid var(--line);
  overflow:hidden;
  background:
    linear-gradient(90deg, var(--bg), transparent 8%, transparent 92%, var(--bg)),
    rgba(255,255,255,.02);
}
.bx-ticker-track {
  display:flex; gap:56px; white-space:nowrap;
  animation:bxScroll 38s linear infinite;
  font-family:var(--font-serif); font-size:28px; font-style:italic;
}
.bx-ticker-track span { opacity:.85; }
@keyframes bxScroll { to { transform:translateX(-50%); } }

/* ============================================================
   SECTIONS / HEADINGS
   ============================================================ */
.bx-section {
  position:relative; max-width:var(--max-w);
  margin:0 auto; padding:80px 24px;
}
.bx-section-head {
  display:flex; align-items:end; justify-content:space-between; gap:24px;
  flex-wrap:wrap; margin-bottom:36px;
}
.bx-eyebrow {
  display:inline-block;
  font-size:12px; text-transform:uppercase; letter-spacing:.18em;
  color:var(--muted); margin-bottom:10px;
}
.bx-section-title {
  font-size:clamp(28px, 4vw, 52px);
  font-weight:600; letter-spacing:-.03em; line-height:1.05;
}

/* ============================================================
   CAROUSEL
   ============================================================ */
.bx-carousel-ctrls { display:flex; gap:10px; }
.bx-cbtn {
  width:50px; height:50px; border-radius:50%;
  border:1px solid var(--line-2);
  background:rgba(46, 164, 255, 0.10);
  cursor:pointer; font-size:18px;
  transition:transform .25s ease, background .25s, border-color .25s, color .25s;
}
.bx-cbtn:hover { transform:translateY(-2px) scale(1.05); background:var(--text); color:var(--bg); border-color:var(--text); }

.bx-carousel { position:relative; overflow:hidden; }
.bx-carousel-track {
  display:flex; gap:24px; will-change:transform;
  transition:transform .65s cubic-bezier(.7,.05,.25,1);
}
.bx-slide {
  flex:0 0 calc((100% - 48px) / 3);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:hidden; display:flex; flex-direction:column;
  transition:transform .4s ease, border-color .4s, box-shadow .4s;
}
.bx-slide:hover {
  transform:translateY(-6px);
  border-color:var(--accent, var(--violet));
  box-shadow:0 24px 60px -20px color-mix(in oklab, var(--accent, #7c5cff) 45%, transparent);
}
.bx-slide-img { position:relative; aspect-ratio:16/10; overflow:hidden; }
.bx-slide-img img, .bx-card-img img {
  width:100%; height:100%; object-fit:cover;
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}
.bx-slide:hover .bx-slide-img img, .bx-card:hover .bx-card-img img { transform:scale(1.08); }

.bx-chip {
  position:absolute; top:14px; left:14px;
  padding:6px 12px; border-radius:999px;
  background:rgba(7,7,13,.65); backdrop-filter:blur(10px);
  border:1px solid var(--line-2);
  font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.1em;
  color:#1a7ad4;
}
.bx-chip-hero {
  position:static; display:inline-flex; align-items:center;
  background:rgba(255,255,255,.06); margin-bottom:24px;
}

.bx-slide-body, .bx-card-body { padding:24px; display:flex; flex-direction:column; gap:12px; flex:1; }
.bx-meta { display:flex; gap:16px; flex-wrap:wrap; font-size:12px; color:var(--muted); }
.bx-meta i { margin-right:6px; color:#1a7ad4; }
.bx-slide-body h3, .bx-card-body h3 {
  font-size:22px; font-weight:600; letter-spacing:-.02em; line-height:1.2;
}
.bx-slide-body p, .bx-card-body p {
  color:var(--muted); font-size:14.5px; line-height:1.6;
}

.bx-cta {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 18px; border-radius:999px;
  background:#1a7ad4;
  color:var(--bg); font-weight:600; font-size:14px;
  align-self:flex-start;
  transition:transform .3s ease, gap .3s ease;
}
.bx-cta:hover { transform:translateY(-2px); gap:14px; }
.bx-cta i { font-size:16px; }
.bx-cta-big { padding:18px 28px; font-size:16px; background:var(--text); color:var(--bg); }

.bx-dots { display:flex; gap:8px; justify-content:center; margin-top:32px; }
.bx-dot {
  width:8px; height:8px; border-radius:999px;
  background:var(--line-2); border:0; cursor:pointer;
  transition:width .3s, background .3s;
}
.bx-dot.active { width:28px; background:var(--text); }

/* ============================================================
   FILTERS + BENTO GRID
   ============================================================ */
.bx-filters { display:flex; gap:8px; flex-wrap:wrap; }
.bx-fchip {
  padding:10px 18px; border-radius:999px;
  background:rgba(255,255,255,.03); border:1px solid var(--line-2);
  color:var(--text); font-size:13px; font-weight:500; cursor:pointer;
  transition:background .25s, color .25s, transform .25s, border-color .25s;
}
.bx-fchip:hover { transform:translateY(-2px); }
.bx-fchip.active { background:var(--text); color:var(--bg); border-color:var(--text); }

.bx-bento { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.bx-card {
  position:relative;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:hidden; display:flex; flex-direction:column;
  transition:transform .5s cubic-bezier(.2,.7,.2,1), border-color .4s, box-shadow .5s;
  opacity:0; transform:translateY(28px);
}
.bx-card.bx-in { opacity:1; transform:translateY(0); }
.bx-card.bx-hide { display:none; }
.bx-card::before {
  content:""; position:absolute; inset:0; border-radius:inherit;
  padding:1px; background:linear-gradient(135deg, var(--accent, var(--violet)), transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  opacity:0; transition:opacity .4s; pointer-events:none;
}
.bx-card:hover {
  transform:translateY(-8px);
  box-shadow:0 30px 70px -24px color-mix(in oklab, var(--accent, #1a7ad4) 50%, transparent);
}
.bx-card:hover::before { opacity:1; }
.bx-card-lg { grid-column:span 2; grid-row:span 2; }
.bx-card-lg .bx-card-img { aspect-ratio:16/10; }
.bx-card-lg .bx-card-body h3 { font-size:32px; }
.bx-card-wide { grid-column:span 2; }
.bx-card-wide .bx-card-img { aspect-ratio:21/9; }
.bx-card-img { position:relative; aspect-ratio:4/3; overflow:hidden; }

.bx-row { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; }
.bx-row-end { margin-top:auto; padding-top:8px; }
.bx-time { font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.14em; }
.bx-author { font-size:12px; color:var(--muted); }
.bx-author i { margin-right:6px; color:var(--accent, var(--violet)); }

.bx-arrow {
  width:44px; height:44px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.05); border:1px solid var(--line-2);
  color:var(--text); font-size:18px;
  transition:transform .3s, background .3s, color .3s;
}
.bx-arrow:hover {
  background:var(--accent, var(--violet)); color:var(--bg);
  transform:rotate(-45deg) scale(1.1); border-color:transparent;
}

/* ============================================================
   TAG CARD (listing)
   ============================================================ */
.bx-tag-section { padding-top:40px; padding-bottom:120px; }
.bx-tag-card {
  display:grid; grid-template-columns:1.4fr 1fr; gap:40px; align-items:center;
  padding:56px; border-radius:var(--r-xl);
  border:1px solid var(--line-2);
  background:
    radial-gradient(600px 300px at 10% 0%, rgba(255,92,244,.15), transparent 60%),
    radial-gradient(600px 300px at 100% 100%, rgba(124,92,255,.18), transparent 60%),
    rgba(255,255,255,.02);
}
.bx-tagcloud { display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.bx-tag {
  padding:8px 16px; border-radius:999px;
  background:rgba(255,255,255,.05); border:1px solid var(--line-2);
  font-size:13px; cursor:default;
  transition:transform .3s, background .3s, color .3s;
}
.bx-tag:hover { transform:translateY(-3px) rotate(-2deg); background:var(--text); color:var(--bg); }

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.bx-article-hero {
  position:relative; isolation:isolate;
  padding:80px 24px 0; overflow:hidden;
}
.bx-article-hero-inner {
  max-width:900px; margin:0 auto; text-align:center; padding-bottom:50px;
  position:relative;
}
.bx-back-link {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 16px; border-radius:999px;
  background:rgba(255,255,255,.04); border:1px solid var(--line-2);
  font-size:13px; color:var(--text-dim);
  margin-bottom:28px;
  transition:background .25s, color .25s, transform .25s;
}
.bx-back-link:hover { background:var(--text); color:var(--bg); transform:translateX(-3px); }

.bx-article-title {
  font-size:clamp(36px, 5.5vw, 68px);
  font-weight:600; letter-spacing:-.03em; line-height:1.05;
  margin:0 auto 28px; max-width:900px;
}
.bx-article-title::first-line {
  font-family:var(--font-serif); font-style:italic; font-weight:400;
}
.bx-article-meta {
  display:flex; gap:18px; flex-wrap:wrap; justify-content:center;
  font-size:13px; color:var(--muted);
}
.bx-article-meta i { color: #1a7ad4; }
.bx-issue-tag {
  padding:4px 10px; border-radius:999px;
  background: #1a7ad4;
  font-weight:600; font-size:11px; letter-spacing:.08em; text-transform:uppercase;
}

.bx-article-hero-img {
  max-width:1100px; margin:0 auto;
  border-radius:var(--r-xl) var(--r-xl) 0 0; overflow:hidden;
  border:1px solid var(--line-2); border-bottom:0;
  transform:translateY(50px); opacity:0;
  animation:bxFadeUp 1s .3s ease both;
}
.bx-article-hero-img img {
  width:100%; height:auto; aspect-ratio:21/9; object-fit:cover;
}

/* Article layout */
.bx-article-section {
  display:grid; grid-template-columns:80px 1fr; gap:48px;
  max-width:980px; margin:0 auto; padding:64px 24px 40px;
}
.bx-article-aside {
  position:sticky; top:120px; align-self:start;
  display:flex; flex-direction:column; gap:32px;
}
.bx-toc-wrap { padding-right:8px; }
.bx-toc { display:flex; flex-direction:column; gap:8px; margin-top:14px; border-left:1px solid var(--line-2); padding-left:14px; }
.bx-toc-link {
  font-size:12.5px; color:var(--muted); line-height:1.4;
  padding:2px 0; transition:color .25s, transform .25s;
}
.bx-toc-h3, .bx-toc-h4, .bx-toc-h6 { padding-left:10px; }
.bx-toc-link:hover { color:var(--text); transform:translateX(2px); }
.bx-toc-link.active { color:var(--text); font-weight:600; }
.bx-toc-link.active::before {
  content:""; display:inline-block; width:6px; height:6px; border-radius:50%;
  background:var(--violet); margin-right:8px; transform:translateY(-2px);
}

.bx-share-vertical {
  display:flex; flex-direction:column; align-items:center; gap:10px;
  padding-top:24px; border-top:1px solid var(--line);
}
.bx-share-label {
  writing-mode:vertical-rl; transform:rotate(180deg);
  font-size:11px; text-transform:uppercase; letter-spacing:.18em; color:var(--muted);
  margin-bottom:6px;
}
.bx-share-vertical a {
  width:36px; height:36px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.04); border:1px solid var(--line-2);
  color:var(--text); font-size:13px;
  transition:transform .25s, background .25s, color .25s;
}
.bx-share-vertical a:hover { background:var(--text); color:var(--bg); transform:translateY(-2px); }

/* Article content (readable column) */
.bx-article-content {
  font-family:var(--font-read);
  color:var(--text-dim); font-size:17.5px; line-height:1.8;
  max-width:740px;
  opacity:0; transform:translateY(28px);
  transition:opacity .8s ease, transform .8s ease;
}
.bx-article-content.bx-in { opacity:1; transform:translateY(0); }
.bx-article-content > * + * { margin-top:1.1em; }

.bx-article-content h1, .bx-article-content h2 {
  font-family:var(--font-body);
  color:var(--text); font-weight:600; letter-spacing:-.02em;
  font-size:34px; line-height:1.15; margin-top:48px;
}
.bx-article-content h3 {
  font-family:var(--font-body);
  color:var(--text); font-weight:600; font-size:26px;
  margin-top:40px; letter-spacing:-.01em;
}
.bx-article-content h4 {
  color:var(--text); font-weight:600; font-size:21px;
  margin-top:32px;
}
.bx-article-content h6 {
  color:var(--text); font-weight:600; font-size:19px;
  margin-top:36px; position:relative; padding-left:18px;
}
.bx-article-content h6::before {
  content:""; position:absolute; left:0; top:10px;
  width:8px; height:8px; border-radius:50%;
  background:linear-gradient(135deg, var(--pink), var(--violet));
}
.bx-article-content p { color:var(--text-dim); }
.bx-article-content p[style*="#061429"] { color:var(--muted); font-size:14px; }
.bx-article-content strong { color:var(--text); }
.bx-article-content a {
  color:var(--cyan); text-decoration:underline; text-decoration-color:rgba(34,211,238,.4); text-underline-offset:3px;
  transition:color .25s, text-decoration-color .25s;
}
.bx-article-content a:hover { color:var(--text); text-decoration-color:var(--text); }
.bx-article-content ul, .bx-article-content ol { padding-left:1.4em; }
.bx-article-content li { margin:6px 0; }
.bx-article-content blockquote {
  margin:32px 0; padding:24px 28px;
  border-left:3px solid var(--violet);
  background:rgba(124,92,255,.06); border-radius:0 var(--r-md) var(--r-md) 0;
  font-family:var(--font-serif); font-style:italic; font-size:22px; color:var(--text);
}
.bx-article-content img {
  border-radius:var(--r-md); margin:24px 0;
  border:1px solid var(--line-2);
}
.bx-article-content code {
  font-family:'JetBrains Mono','Fira Code',monospace; font-size:.9em;
  padding:2px 8px; border-radius:6px;
  background:rgba(255,255,255,.06); color:var(--lime);
}
.bx-article-content pre {
  padding:20px; border-radius:var(--r-md);
  background:#0a0a14; border:1px solid var(--line-2);
  overflow-x:auto; font-size:14px;
}
.bx-article-content pre code { background:transparent; padding:0; color:var(--text); }
.bx-article-content hr { border:0; border-top:1px solid var(--line); margin:48px 0; }

/* Author + share */
.bx-author-card {
  display:flex; align-items:center; gap:18px;
  margin-top:64px; padding:24px; border-radius:var(--r-lg);
  background:rgba(255,255,255,.03); border:1px solid var(--line-2);
}
.bx-author-avatar {
  width:60px; height:60px; border-radius:50%;
  background:linear-gradient(135deg, var(--pink), var(--violet));
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:20px; color:var(--bg);
}
.bx-author-card h4 { color:var(--text); font-size:18px; font-weight:600; }
.bx-author-card p { color:var(--muted); font-size:13.5px; margin:0; }

.bx-share-row {
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  margin-top:24px; padding-top:24px; border-top:1px solid var(--line);
  font-size:13.5px; color:var(--muted);
}
.bx-share-btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 14px; border-radius:999px;
  background:rgba(255,255,255,.04); border:1px solid var(--line-2);
  font-size:13px; color:var(--text);
  transition:background .25s, transform .25s, color .25s;
}
.bx-share-btn:hover { background:var(--text); color:var(--bg); transform:translateY(-2px); }

/* Prev / Next */
.bx-article-nav {
  display:grid; grid-template-columns:1fr 1fr; gap:24px;
}
.bx-nav-link {
  display:flex; flex-direction:column; gap:8px;
  padding:24px 28px; border-radius:var(--r-lg);
  background:rgba(255,255,255,.03); border:1px solid var(--line-2);
  transition:border-color .3s, transform .3s, background .3s;
}
.bx-nav-link:hover { border-color:var(--violet); transform:translateY(-4px); background:rgba(124,92,255,.05); }
.bx-nav-next { text-align:right; align-items:flex-end; }
.bx-nav-label { font-size:12px; text-transform:uppercase; letter-spacing:.16em; color:var(--muted); }
.bx-nav-title { font-size:17px; font-weight:600; color:var(--text); }

/* CTA Banner */
.bx-cta-banner {
  display:grid; grid-template-columns:1.4fr 1fr; gap:32px; align-items:center;
  padding:48px; border-radius:var(--r-xl);
  background:
    radial-gradient(500px 250px at 0% 0%, rgba(255,92,244,.2), transparent 60%),
    radial-gradient(500px 250px at 100% 100%, rgba(34,211,238,.18), transparent 60%),
    rgba(255,255,255,.02);
  border:1px solid var(--line-2);
}
.bx-cta-banner h3 {
  font-size:clamp(24px, 3vw, 36px); font-weight:600; letter-spacing:-.02em;
  margin:8px 0 10px;
}
.bx-cta-banner p { color:var(--muted); font-size:15px; }

/* Recommendations */
.bx-recs {
  display:grid; grid-template-columns:repeat(2,1fr); gap:16px;
}
.bx-rec {
  display:flex; gap:16px; align-items:center;
  padding:16px; border-radius:var(--r-md);
  background:rgba(255,255,255,.03); border:1px solid var(--line);
  transition:transform .3s, background .3s, border-color .3s;
}
.bx-rec:hover { transform:translateY(-3px); background:rgba(255,255,255,.06); border-color:var(--violet); }
.bx-rec-img {
  width:90px; height:70px; border-radius:var(--r-sm);
  overflow:hidden; flex-shrink:0;
}
.bx-rec-img img { width:100%; height:100%; object-fit:cover; }
.bx-rec-num {
  font-family:var(--font-serif); font-style:italic;
  font-size:14px; color:var(--violet);
}
.bx-rec h5 {
  font-size:15px; font-weight:600; color:var(--text); margin-top:4px;
  line-height:1.3;
}

/* Comment form */
.bx-comment-card {
  padding:40px; border-radius:var(--r-xl);
  background:rgba(255,255,255,.02); border:1px solid var(--line-2);
  max-width:780px; margin:0 auto;
}
.bx-comment-card h3 {
  font-size:28px; font-weight:600; letter-spacing:-.02em; margin-bottom:24px;
}
.bx-form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px; }
.bx-input {
  width:100%; padding:14px 18px; margin-bottom:14px;
  border-radius:14px; border:1px solid var(--line-2);
  background:rgba(255,255,255,.03); color:var(--text);
  font-family:inherit; font-size:14.5px;
  transition:border-color .25s, background .25s;
}
.bx-input:focus { outline:0; border-color:var(--violet); background:rgba(255,255,255,.06); }
.bx-form-row .bx-input { margin-bottom:0; }
.bx-textarea { min-height:140px; resize:vertical; }
.bx-thank {
  display:none; margin-top:16px;
  padding:12px 16px; border-radius:12px;
  background:rgba(198,255,61,.08); color:var(--lime);
  border:1px solid rgba(198,255,61,.3);
  font-size:14px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes bxFadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}
.bx-reveal { opacity:0; transform:translateY(28px); transition:opacity .8s ease, transform .8s ease; }
.bx-reveal.bx-in { opacity:1; transform:translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px) {
  .bx-slide { flex-basis:calc((100% - 24px) / 2); }
  .bx-bento { grid-template-columns:repeat(2,1fr); }
  .bx-card-lg, .bx-card-wide { grid-column:span 2; grid-row:auto; }
  .bx-card-lg .bx-card-body h3 { font-size:24px; }
  .bx-tag-card { grid-template-columns:1fr; padding:36px; }
  .bx-article-section { grid-template-columns:1fr; }
  .bx-article-aside { position:static; flex-direction:row; justify-content:space-between; align-items:start; flex-wrap:wrap; }
  .bx-share-vertical { flex-direction:row; padding-top:0; border-top:0; }
  .bx-share-vertical .bx-share-label { writing-mode:initial; transform:none; }
  .bx-cta-banner, .bx-recs, .bx-article-nav { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-about { grid-column:1/-1; }
}
@media (max-width:640px) {
  .bx-hero { padding:80px 18px 60px; }
  .bx-section { padding:60px 18px; }
  .bx-slide { flex-basis:100%; }
  .bx-bento { grid-template-columns:1fr; }
  .bx-card-lg, .bx-card-wide { grid-column:span 1; }
  .bx-ticker-track { font-size:20px; gap:36px; }
  .bx-tag-card { padding:28px; }
  .bx-article-title { font-size:36px; }
  .bx-article-section { padding:48px 18px 24px; }
  .bx-article-content { font-size:16.5px; }
  .bx-article-content h1, .bx-article-content h2 { font-size:26px; }
  .bx-article-content h3 { font-size:21px; }
  .bx-comment-card, .bx-cta-banner { padding:28px; }
  .bx-form-row { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .btn-back-top { right:16px; bottom:80px; }
  .whatsapp-btn { right:16px; bottom:16px; padding:10px 14px; }
  .whatsapp-btn span { display:none; }
}