:root {
  --bg: #07111f;
  --card: #101f34;
  --text: #ecf4ff;
  --muted: #a9b8cc;
  --brand: #32d3ff;
  --brand-2: #6dffb8;
  --danger: #ff5c7a;
  --border: rgba(255,255,255,0.1);
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(circle at top left, rgba(50,211,255,0.16), transparent 34%),
              radial-gradient(circle at 80% 10%, rgba(109,255,184,0.12), transparent 30%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.nav { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(16px); background: rgba(7,17,31,0.86); border-bottom: 1px solid var(--border); }
.nav-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.04em; font-size: 1.28rem; }
.logo-mark { width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); display: grid; place-items: center; color: #04111f; font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 0.94rem; font-weight: 600; }
.nav-links a:hover { color: var(--text); }
.btn { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 999px; padding: 12px 20px; font-weight: 700; font-size: 0.95rem; transition: 0.2s ease; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #04111f; box-shadow: 0 16px 40px rgba(50,211,255,0.22); }
.btn-secondary { border-color: var(--border); background: rgba(255,255,255,0.04); color: var(--text); }
.btn:hover { transform: translateY(-2px); }
.hero { padding: 98px 0 70px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(50,211,255,0.24); background: rgba(50,211,255,0.08); color: #c9f6ff; border-radius: 999px; padding: 8px 13px; font-size: 0.85rem; font-weight: 700; margin-bottom: 22px; }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 0 8px rgba(109,255,184,0.12); }
h1 { font-size: clamp(2.7rem, 6vw, 5.3rem); line-height: 0.97; letter-spacing: -0.075em; margin: 0 0 24px; }
.gradient { background: linear-gradient(135deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 1.14rem; max-width: 660px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.terminal-card { border: 1px solid var(--border); border-radius: 28px; background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.025)); box-shadow: var(--shadow); overflow: hidden; }
.terminal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.035); color: var(--muted); font-size: 0.84rem; font-weight: 700; }
.dots { display: flex; gap: 7px; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.dot:nth-child(1) { background: var(--danger); }
.dot:nth-child(2) { background: #ffd166; }
.dot:nth-child(3) { background: var(--brand-2); }
.terminal-body { padding: 24px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.91rem; color: #d6f9ff; }
.log-line { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); display: flex; gap: 12px; }
.tag { color: var(--brand-2); } .warn { color: #ffd166; } .critical { color: var(--danger); }
section { padding: 78px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-heading h2 { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.05; letter-spacing: -0.055em; margin: 0; }
.section-heading p { color: var(--muted); margin: 0; max-width: 520px; }
.cards, .articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card, .article-card { border: 1px solid var(--border); background: rgba(255,255,255,0.04); border-radius: 28px; overflow: hidden; transition: 0.2s ease; }
.card { padding: 26px; }
.card:hover, .article-card:hover { transform: translateY(-4px); border-color: rgba(50,211,255,0.32); background: rgba(255,255,255,0.065); }
.icon { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; background: rgba(50,211,255,0.1); color: var(--brand); font-size: 1.35rem; margin-bottom: 18px; }
.card h3 { font-size: 1.2rem; margin: 0 0 10px; letter-spacing: -0.03em; }
.card p { color: var(--muted); margin: 0; }
.card-action { margin-top: 18px !important; }
.article-visual { min-height: 170px; background: linear-gradient(135deg, rgba(50,211,255,0.25), rgba(109,255,184,0.12)), linear-gradient(45deg, #0b1d32, #122d49); display: grid; place-items: center; font-size: 3.5rem; }
.article-content { padding: 26px; }
.article-content small { color: var(--brand-2); font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; }
.article-content h3 { font-size: 1.3rem; letter-spacing: -0.045em; line-height: 1.12; margin: 12px 0; }
.article-content p { color: var(--muted); margin-bottom: 20px; }
.cta { border: 1px solid rgba(50,211,255,0.2); border-radius: 34px; background: linear-gradient(135deg, rgba(50,211,255,0.14), rgba(109,255,184,0.08)); padding: 48px; display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; box-shadow: var(--shadow); }
.cta h2 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; letter-spacing: -0.06em; }
.cta p { color: var(--muted); margin: 0; max-width: 720px; }
.footer { border-top: 1px solid var(--border); padding: 34px 0; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.footer-links { display: flex; gap: 18px; font-size: 0.92rem; }
@media (max-width: 880px) {
  .hero-grid, .cards, .articles, .cta { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 14px; }
  .hero { padding-top: 66px; }
  .cta { padding: 32px; }
}


.article-image {
  min-height: 170px;
  background-size: cover;
  background-position: center;
  background-color: #122d49;
}
.narrow {
  width: min(900px, calc(100% - 40px));
}
.article-page {
  padding: 78px 0;
}
.back-link {
  color: var(--brand);
  font-weight: 800;
}
.article-label {
  display: inline-flex;
  margin-top: 28px;
  color: var(--brand-2);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}
.article-page h1 {
  margin-top: 18px;
}
.article-meta {
  color: var(--muted);
  font-weight: 600;
}
.article-lead {
  color: #cfe2f8;
  font-size: 1.2rem;
}
.article-hero-image {
  width: 100%;
  max-height: 470px;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid var(--border);
  margin: 30px 0;
}
.article-body {
  color: #dceaff;
  font-size: 1.08rem;
}
.article-body h2,
.article-body h3 {
  letter-spacing: -0.04em;
  line-height: 1.14;
  margin-top: 34px;
}
.article-body p {
  color: #dceaff;
}
.article-body a {
  color: var(--brand);
  font-weight: 800;
}
.article-body blockquote {
  border-left: 4px solid var(--brand);
  padding-left: 18px;
  color: #cfe2f8;
  margin-left: 0;
}
.article-body code,
.article-body pre {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.article-body code {
  padding: 2px 6px;
}
.article-body pre {
  padding: 18px;
  overflow-x: auto;
}

.alert-preview {
  border: 1px solid rgba(50,211,255,0.35);
  background: rgba(50,211,255,0.1);
  color: #c9f6ff;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 800;
}


/* ─── Mobile navigation (clean single implementation) ─── */

/* Hidden checkbox – never visible */
.mobile-nav-toggle {
  display: none;
}

/* Hamburger button – hidden by default (desktop) */
.mobile-menu-btn {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  flex-shrink: 0;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ── Desktop (769px and above) ── */
@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none;
  }

  .nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .nav-inner > .btn-primary {
    display: inline-flex;
  }
}

/* ── Mobile (768px and below) ── */
@media (max-width: 768px) {
  .nav-inner {
    min-height: 76px;
    position: relative;
    justify-content: flex-start;
    gap: 12px;
  }

  /* Show hamburger on mobile */
  .mobile-menu-btn {
    display: inline-flex;
    order: 0;
  }

  .logo {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
    font-size: 1.05rem;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  /* Hide desktop CTA button on mobile */
  .nav-inner > .btn-primary {
    display: none;
  }

  /* Dropdown menu – hidden until checkbox is checked */
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(7,17,31,0.98);
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 22px 22px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.35);
    z-index: 9999;
  }

  /* CSS-only toggle: checkbox checked → show nav */
  .mobile-nav-toggle:checked ~ .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 14px 16px;
    border-radius: 14px;
  }

  .nav-links a:hover {
    background: rgba(255,255,255,0.06);
  }

  /* Animate hamburger → X when checked */
  .mobile-nav-toggle:checked + .mobile-menu-btn span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-nav-toggle:checked + .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
  }

  .mobile-nav-toggle:checked + .mobile-menu-btn span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ─── Newsletter / Subscribe section ─── */
.subscribe-section {
  background: linear-gradient(135deg, rgba(50,211,255,0.07) 0%, rgba(109,255,184,0.05) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 78px 0;
}

.subscribe-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.subscribe-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  background: rgba(50,211,255,0.1);
  border: 1px solid rgba(50,211,255,0.25);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
}

.subscribe-title {
  font-size: 2.1rem !important;
  letter-spacing: -0.05em !important;
  margin: 0 0 14px !important;
  color: var(--text) !important;
  line-height: 1.1 !important;
}

.subscribe-desc {
  color: var(--muted) !important;
  line-height: 1.65 !important;
  margin: 0 0 18px !important;
  font-size: 1rem !important;
  max-width: none !important;
}

.subscribe-perks {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.subscribe-perks li {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  font-size: 0.93rem !important;
  color: var(--muted) !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  margin: 0 !important;
}

.subscribe-perks li::before {
  content: '✓' !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 20px !important;
  height: 20px !important;
  min-width: 20px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)) !important;
  color: #04111f !important;
  font-size: 0.72rem !important;
  font-weight: 900 !important;
  flex-shrink: 0 !important;
}

/* The form box — fully isolated */
.subscribe-form-box {
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid rgba(50,211,255,0.2) !important;
  border-radius: 26px !important;
  padding: 36px !important;
  transform: none !important;
  overflow: visible !important;
  transition: border-color 0.2s !important;
}

.subscribe-form-box:hover {
  transform: none !important;
  border-color: rgba(50,211,255,0.4) !important;
  background: rgba(255,255,255,0.06) !important;
}

.subscribe-box-title {
  font-size: 1.25rem !important;
  margin: 0 0 8px !important;
  letter-spacing: -0.03em !important;
  color: var(--text) !important;
}

.subscribe-box-desc {
  font-size: 0.9rem !important;
  color: var(--muted) !important;
  margin: 0 0 22px !important;
  max-width: none !important;
}

.subscribe-form .form-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subscribe-form input[type="text"],
.subscribe-form input[type="email"] {
  width: 100% !important;
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid rgba(255,255,255,0.15) !important;
  border-radius: 14px !important;
  color: var(--text) !important;
  padding: 14px 16px !important;
  font-size: 0.95rem !important;
  font-family: inherit !important;
  transition: border-color 0.2s !important;
  box-sizing: border-box !important;
}

.subscribe-form input[type="text"]:focus,
.subscribe-form input[type="email"]:focus {
  outline: none !important;
  border-color: var(--brand) !important;
}

.subscribe-form .btn {
  width: auto !important;
  align-self: flex-start !important;
  border-radius: 999px !important;
  padding: 14px 28px !important;
  font-size: 0.95rem !important;
  height: auto !important;
}

.subscribe-consent {
  font-size: 0.78rem !important;
  color: var(--muted) !important;
  margin: 12px 0 0 !important;
  line-height: 1.5 !important;
  max-width: none !important;
}

.subscribe-consent a { color: var(--brand); }

.subscribe-success {
  text-align: center;
  padding: 16px;
}

.subscribe-success .check-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  font-size: 1.4rem;
  color: #04111f;
  font-weight: 900;
}

.subscribe-success h3 {
  margin: 0 0 8px !important;
  font-size: 1.2rem !important;
  color: var(--text) !important;
}

.subscribe-success p {
  font-size: 0.9rem !important;
  color: var(--muted) !important;
  margin: 0 !important;
}

@media (max-width: 768px) {
  .subscribe-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .subscribe-title { font-size: 1.7rem !important; }
  .subscribe-form-box { padding: 24px !important; }
}

/* ─── Ad / Sponsor banners ─── */
.ad-slot {
  margin: 32px 0;
  display: flex;
  justify-content: center;
}

.ad-slot[data-size="leaderboard"] .ad-inner {
  max-width: 728px;
  min-height: 90px;
}

.ad-slot[data-size="banner"] .ad-inner {
  max-width: 100%;
  min-height: 60px;
}

.ad-slot[data-size="rectangle"] .ad-inner {
  max-width: 336px;
  min-height: 280px;
}

.ad-inner {
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-inner a {
  display: block;
  width: 100%;
  height: 100%;
}

.ad-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ad-label {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(7,17,31,0.7);
  padding: 2px 7px;
  border-radius: 999px;
}

.ad-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 90px;
  padding: 18px;
  gap: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.ad-placeholder strong {
  color: var(--text);
  font-size: 0.88rem;
}

/* ─── Category filter pills ─── */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
  background: transparent;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--brand);
  color: var(--brand);
  text-decoration: none;
}

.filter-pill.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent;
  color: #04111f;
  font-weight: 700;
}

/* ─── Active nav link ─── */
.nav-links a.active {
  color: var(--brand);
}

/* ─── Share bar ─── */
.share-bar {
  margin: 40px 0 8px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.share-bar-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 14px;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  height: 42px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.share-btn:hover { text-decoration: none; transform: translateY(-2px); }
.share-btn:active { transform: translateY(0); opacity: 0.85; }

.share-btn svg { flex-shrink: 0; }

.share-btn--twitter  { border-color: rgba(29,161,242,0.35);  }
.share-btn--twitter:hover  { background: rgba(29,161,242,0.12);  border-color: rgba(29,161,242,0.6); }

.share-btn--facebook { border-color: rgba(66,103,178,0.35); }
.share-btn--facebook:hover { background: rgba(66,103,178,0.12); border-color: rgba(66,103,178,0.6); }

.share-btn--whatsapp { border-color: rgba(37,211,102,0.35); }
.share-btn--whatsapp:hover { background: rgba(37,211,102,0.12); border-color: rgba(37,211,102,0.6); }

.share-btn--linkedin { border-color: rgba(0,119,181,0.35); }
.share-btn--linkedin:hover { background: rgba(0,119,181,0.12); border-color: rgba(0,119,181,0.6); }

.share-btn--copy { border-color: var(--border); }
.share-btn--copy:hover { background: rgba(50,211,255,0.08); border-color: var(--brand); color: var(--brand); }
.share-btn--copy.copied { border-color: var(--brand-2); color: var(--brand-2); background: rgba(109,255,184,0.08); }

@media (max-width: 480px) {
  .share-buttons { gap: 8px; }
  .share-btn { padding: 0 14px; font-size: 0.82rem; height: 40px; }
}

/* ─── Article tags ─── */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 24px;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(50,211,255,0.08);
  border: 1px solid rgba(50,211,255,0.2);
  color: var(--brand);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.article-tag:hover {
  background: rgba(50,211,255,0.15);
  border-color: rgba(50,211,255,0.4);
  text-decoration: none;
}

/* ─── Mid-article subscribe prompt ─── */
.inline-subscribe {
  background: linear-gradient(135deg, rgba(50,211,255,0.07), rgba(109,255,184,0.04));
  border: 1px solid rgba(50,211,255,0.2);
  border-radius: 18px;
  padding: 28px 30px;
  margin: 40px 0;
}

.inline-subscribe h3 {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  margin: 0 0 6px;
  color: var(--text);
}

.inline-subscribe p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 16px;
}

.inline-subscribe-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.inline-subscribe-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 14px;
  font: inherit;
  font-size: 0.9rem;
}

.inline-subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--brand);
}

.inline-subscribe-form button {
  border-radius: 10px;
  padding: 11px 20px;
  font-size: 0.9rem;
  white-space: nowrap;
  height: auto;
  min-height: 44px;
}

/* ─── Related articles ─── */
.related-articles {
  margin: 48px 0 0;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.related-articles h3 {
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: var(--text);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.related-card {
  display: block;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.related-card:hover {
  border-color: rgba(50,211,255,0.35);
  background: rgba(255,255,255,0.055);
  transform: translateY(-2px);
  text-decoration: none;
}

.related-card-cat {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand);
  margin-bottom: 8px;
}

.related-card h4 {
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 8px;
}

.related-card p {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-footer {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--brand);
  font-weight: 600;
}

@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
  .inline-subscribe { padding: 22px 20px; }
}

/* ─── Back to top (public site) ─── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #04111f;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 18px rgba(50,211,255,0.35);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.25s, transform 0.25s;
  z-index: 999;
  pointer-events: none;
}
.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { opacity: 0.88; }