/* =========================================================
   Cítara — Frequência (blog)
   Conceito: cada post é uma frequência emitida pela Cítara.
   Visual: instrumentação editorial, ondas, monoespaçada.
   ========================================================= */

/* ---------- Page shell ---------- */
body.freq {
  background: var(--bg-page);
  color: var(--fg-1);
  font-family: var(--font-sans);
}
body.freq[data-theme="dark"] {
  background: #050410;
}

/* ---------- Frequency header ---------- */
.freq-head {
  position: relative;
  border-bottom: 1px solid var(--border-1);
  padding: 64px 0 0;
  overflow: hidden;
}
.freq-head .grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.freq-head .wash {
  position: absolute;
  width: 720px; height: 720px; border-radius: 50%;
  top: -360px; left: 50%; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(229,52,139,0.28), transparent 70%);
  pointer-events: none;
  filter: blur(20px);
}
.freq-head-inner { position: relative; z-index: 1; }

.freq-titlerow {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  padding-bottom: 32px;
}
.freq-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-eyebrow .live {
  display: inline-flex; align-items: center; gap: 6px;
  color: #FF4A9C;
  padding: 4px 10px;
  border: 1px solid rgba(229,52,139,0.32);
  border-radius: 999px;
  background: rgba(229,52,139,0.06);
}
.freq-eyebrow .live::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: #FF4A9C;
  animation: freq-pulse 1.6s ease-out infinite;
}
@keyframes freq-pulse {
  0% { box-shadow: 0 0 0 0 rgba(229,52,139,0.6); }
  70% { box-shadow: 0 0 0 8px rgba(229,52,139,0); }
  100% { box-shadow: 0 0 0 0 rgba(229,52,139,0); }
}

.freq-title {
  font-family: var(--font-serif);
  font-size: clamp(64px, 9vw, 144px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin: 24px 0 0;
  color: var(--fg-1);
  text-wrap: balance;
}
.freq-title .em {
  color: #E5348B;
  font-style: italic;
  font-weight: 400;
}
.freq-title .stroke {
  -webkit-text-stroke: 1.5px var(--fg-1);
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.freq-sub {
  margin-top: 20px;
  font-size: 17px; line-height: 1.55;
  color: var(--fg-2);
  max-width: 520px;
}

.freq-meta-cluster {
  display: flex; flex-direction: column; align-items: flex-end; gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.06em;
}
.freq-meta-cluster .row { display: flex; gap: 18px; }
.freq-meta-cluster .row span b { color: var(--fg-1); font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---------- Waveform stream ---------- */
.freq-waveform {
  position: relative;
  height: 96px;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  background: linear-gradient(180deg, transparent, rgba(229,52,139,0.04));
  overflow: hidden;
}
.freq-waveform svg {
  width: 100%; height: 100%;
  display: block;
}
.freq-waveform .cursor {
  position: absolute; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, #E5348B, transparent);
  transition: left 0.4s var(--ease-standard);
  pointer-events: none;
  box-shadow: 0 0 16px #E5348B;
}
.freq-waveform .freq-tick {
  position: absolute; top: 8px;
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.1em;
  color: var(--fg-3);
  transform: translateX(-50%);
  white-space: nowrap;
}

/* ---------- Filter bar ---------- */
.freq-filterbar {
  position: sticky; top: 116px; z-index: 30;
  background: color-mix(in srgb, var(--bg-page) 85%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-1);
}
.freq-filterbar-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.freq-cat-chips {
  display: flex; gap: 6px; overflow-x: auto;
  scrollbar-width: none;
}
.freq-cat-chips::-webkit-scrollbar { display: none; }
.freq-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border-1);
  border-radius: 999px;
  font-size: 12px; font-weight: 500;
  color: var(--fg-2);
  white-space: nowrap;
  background: var(--bg-surface);
  cursor: pointer;
  transition: all 0.18s var(--ease-standard);
  position: relative;
}
.freq-chip:hover {
  color: var(--fg-1);
  border-color: var(--border-strong);
}
.freq-chip.on {
  background: #E5348B;
  border-color: #E5348B;
  color: #FFFFFF;
}
.freq-chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  opacity: 0.45;
}
.freq-chip.on .dot { opacity: 1; }
.freq-chip .count {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.freq-search-trigger {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 12px 8px 14px;
  border: 1px solid var(--border-1);
  border-radius: 8px;
  background: var(--bg-surface);
  color: var(--fg-3);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.18s var(--ease-standard);
  min-width: 240px;
}
.freq-search-trigger:hover { border-color: var(--border-strong); color: var(--fg-2); }
.freq-search-trigger .kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--border-1);
  border-radius: 4px;
  margin-left: auto;
  color: var(--fg-3);
  background: var(--bg-page);
}
.freq-search-trigger svg { flex: 0 0 auto; }

.freq-sort {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.freq-sort .seg {
  display: inline-flex;
  border: 1px solid var(--border-1);
  border-radius: 6px;
  overflow: hidden;
}
.freq-sort .seg button {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-1);
}
.freq-sort .seg button:last-child { border-right: 0; }
.freq-sort .seg button.on { background: var(--fg-1); color: var(--bg-surface); }

/* ---------- Featured (hero post) ---------- */
.freq-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--border-1);
}
@media (max-width: 900px) { .freq-featured { grid-template-columns: 1fr; } }

.freq-feat-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  min-height: 460px;
  display: flex; flex-direction: column;
  isolation: isolate;
  transition: border-color 0.24s var(--ease-standard);
}
.freq-feat-card:hover { border-color: var(--border-strong); }
.freq-feat-card .cover {
  position: relative;
  height: 280px;
  background: linear-gradient(160deg, #15132B 0%, #010012 70%);
  overflow: hidden;
}
.freq-feat-card .cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(229,52,139,0.4), transparent 50%),
                    radial-gradient(circle at 80% 30%, rgba(255,74,156,0.25), transparent 60%);
}
.freq-feat-card .cover svg.wave {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.freq-feat-card .cover .badge {
  position: absolute; top: 16px; left: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: #FFFFFF;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}
.freq-feat-card .body {
  padding: 28px 32px 32px;
  display: flex; flex-direction: column; gap: 14px;
  flex: 1;
}
.freq-feat-card .meta-row {
  display: flex; gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-feat-card h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -0.022em;
  font-weight: 500;
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
}
.freq-feat-card p {
  font-size: 15px; line-height: 1.55;
  color: var(--fg-2);
}
.freq-feat-card .author {
  margin-top: auto;
  display: flex; align-items: center; gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-1);
}
.freq-feat-card .author .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #E5348B, #CC3366);
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: #FFFFFF;
  font-size: 13px;
}
.freq-feat-card .author .who { font-size: 12px; color: var(--fg-2); }
.freq-feat-card .author .who b { color: var(--fg-1); font-weight: 600; }

/* Pull-side: secondary featured */
.freq-secondary {
  display: flex; flex-direction: column; gap: 16px;
}
.freq-mini {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border-1);
  border-radius: 14px;
  background: var(--bg-surface);
  text-decoration: none; color: inherit;
  transition: all 0.18s var(--ease-standard);
}
.freq-mini:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.freq-mini .thumb {
  width: 80px; height: 80px;
  border-radius: 10px;
  background: linear-gradient(160deg, #15132B, #010012);
  position: relative;
  overflow: hidden;
}
.freq-mini .thumb::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 60%, rgba(229,52,139,0.4), transparent 60%);
}
.freq-mini .thumb .glyph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  font-style: italic;
}
.freq-mini h4 {
  font-family: var(--font-sans);
  font-size: 15px; line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
}
.freq-mini .mini-meta {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3);
  margin-top: 8px;
  display: flex; gap: 10px;
}

/* ---------- Editorial grid ---------- */
.freq-grid-section {
  padding: 64px 0 96px;
}
.freq-grid-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 32px;
}
.freq-grid-head h3 {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 500;
  letter-spacing: -0.018em;
  color: var(--fg-1);
}
.freq-grid-head .meta {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
}

.freq-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: var(--border-1);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  overflow: hidden;
}

.freq-card {
  grid-column: span 4;
  background: var(--bg-surface);
  padding: 28px 28px 24px;
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
  cursor: pointer;
  transition: background 0.24s var(--ease-standard);
  text-decoration: none; color: inherit;
  min-height: 360px;
}
.freq-card:hover { background: var(--bg-raised); }
.freq-card.span-6 { grid-column: span 6; min-height: 380px; }
.freq-card.span-8 { grid-column: span 8; min-height: 420px; }
.freq-card.span-12 { grid-column: span 12; min-height: 240px; }

@media (max-width: 1024px) {
  .freq-card, .freq-card.span-6, .freq-card.span-8 { grid-column: span 6; }
  .freq-card.span-12 { grid-column: span 12; }
}
@media (max-width: 720px) {
  .freq-card, .freq-card.span-6, .freq-card.span-8, .freq-card.span-12 { grid-column: span 12; }
}

.freq-card .stamp {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-card .stamp .cat {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--fg-1);
}
.freq-card .stamp .cat .dot {
  width: 6px; height: 6px; border-radius: 50%;
}
.freq-card[data-cat="performance"] .stamp .cat .dot { background: #E5348B; }
.freq-card[data-cat="ia"] .stamp .cat .dot { background: #4ADE80; }
.freq-card[data-cat="branding"] .stamp .cat .dot { background: #F59E0B; }
.freq-card[data-cat="crm"] .stamp .cat .dot { background: #60A5FA; }
.freq-card[data-cat="cases"] .stamp .cat .dot { background: #C084FC; }

.freq-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.018em;
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
}
.freq-card.span-6 h3 { font-size: 30px; }
.freq-card.span-8 h3 { font-size: 36px; }
.freq-card.span-12 h3 { font-size: 28px; }

.freq-card p {
  font-size: 14px; line-height: 1.55;
  color: var(--fg-2);
  margin: 0;
}
.freq-card .footer {
  margin-top: auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3);
  padding-top: 16px;
  border-top: 1px solid var(--border-1);
}
.freq-card .footer .read {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--fg-1);
}
.freq-card .arrow-out {
  position: absolute;
  top: 24px; right: 24px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-1);
  display: grid; place-items: center;
  color: var(--fg-3);
  transition: all 0.24s var(--ease-standard);
  background: var(--bg-surface);
}
.freq-card:hover .arrow-out {
  background: #E5348B;
  border-color: #E5348B;
  color: #FFFFFF;
  transform: rotate(-45deg);
}

/* Big card wave viz */
.freq-card .viz-wave {
  height: 64px;
  display: flex; align-items: end; gap: 3px;
  margin-top: 4px;
  opacity: 0.7;
}
.freq-card .viz-wave .bar {
  flex: 1;
  background: linear-gradient(180deg, #E5348B, rgba(229,52,139,0.2));
  border-radius: 2px;
}

/* Embedded "metric" inside cards */
.freq-card .inline-metric {
  display: flex; align-items: baseline; gap: 8px;
  margin-top: 4px;
}
.freq-card .inline-metric .val {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.freq-card .inline-metric .unit {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: #E5348B;
}
.freq-card.span-8 .inline-metric .val { font-size: 80px; }

/* ---------- Command palette (⌘K) ---------- */
.freq-cmd-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: flex-start; justify-content: center;
  padding-top: 12vh;
}
.freq-cmd-overlay.open { display: flex; }
.freq-cmd {
  width: min(640px, 92vw);
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(229,52,139,0.4), 0 20px 60px -20px rgba(0,0,0,0.6);
}
.freq-cmd-input {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-1);
}
.freq-cmd-input svg { color: var(--fg-3); flex: 0 0 auto; }
.freq-cmd-input input {
  flex: 1;
  border: 0; outline: 0; background: transparent;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--fg-1);
}
.freq-cmd-input input::placeholder { color: var(--fg-4); }
.freq-cmd-input .esc {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 8px;
  border: 1px solid var(--border-1);
  border-radius: 4px;
  color: var(--fg-3);
}
.freq-cmd-list {
  max-height: 50vh;
  overflow-y: auto;
  padding: 8px 0;
}
.freq-cmd-section-label {
  padding: 12px 20px 6px;
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-cmd-item {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 10px 20px;
  cursor: pointer;
  color: var(--fg-2);
  text-decoration: none;
}
.freq-cmd-item:hover, .freq-cmd-item.active {
  background: rgba(229,52,139,0.08);
  color: var(--fg-1);
}
.freq-cmd-item .icon {
  width: 24px; height: 24px;
  border: 1px solid var(--border-1);
  border-radius: 6px;
  display: grid; place-items: center;
  color: var(--fg-3);
}
.freq-cmd-item.active .icon { color: #E5348B; border-color: rgba(229,52,139,0.4); }
.freq-cmd-item .info .title {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-1);
}
.freq-cmd-item .info .sub {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin-top: 2px;
}
.freq-cmd-item .badge {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border-1);
  border-radius: 4px;
  color: var(--fg-3);
}

/* ---------- Newsletter strip ---------- */
.freq-strip {
  background: #010012;
  color: #FFFFFF;
  border: 1px solid #15132B;
  border-radius: 24px;
  padding: 56px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 64px;
}
@media (max-width: 900px) { .freq-strip { grid-template-columns: 1fr; padding: 36px; } }
.freq-strip::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, #000, transparent 70%);
}
.freq-strip .wash {
  position: absolute; top: -200px; right: -100px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(229,52,139,0.4), transparent 70%);
}
.freq-strip-l { position: relative; z-index: 1; }
.freq-strip-l .ey {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: #E5348B;
}
.freq-strip-l h3 {
  font-family: var(--font-serif);
  font-size: 44px; line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: #FFFFFF;
  margin: 16px 0 0;
  text-wrap: balance;
}
.freq-strip-l p {
  font-size: 15px; line-height: 1.55;
  color: rgba(255,255,255,0.7);
  margin: 16px 0 0;
  max-width: 460px;
}
.freq-strip-r {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; gap: 12px;
}
.freq-input {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
}
.freq-input input {
  flex: 1; border: 0; outline: 0; background: transparent;
  color: #FFFFFF; font-size: 14px;
  font-family: var(--font-sans);
}
.freq-input input::placeholder { color: rgba(255,255,255,0.4); }
.freq-strip-r .btn-sub {
  padding: 14px 20px;
  background: #E5348B;
  border: 0;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14px;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 0.18s var(--ease-standard);
}
.freq-strip-r .btn-sub:hover { background: #FF1E84; }
.freq-strip-r .note {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  text-align: center;
}

/* ---------- Author tag inside grid ---------- */
.freq-card .author-mini {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--fg-2);
}
.freq-card .author-mini .av {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #E5348B, #CC3366);
  color: #FFFFFF;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 700;
  font-family: var(--font-sans);
}

/* ---------- Empty state when filtered ---------- */
.freq-empty {
  grid-column: 1 / -1;
  padding: 80px 32px;
  text-align: center;
  background: var(--bg-surface);
  display: none;
  flex-direction: column; align-items: center; gap: 12px;
}
.freq-empty.on { display: flex; }
.freq-empty h4 {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 500;
  color: var(--fg-1);
}
.freq-empty p {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- POST PAGE ---------- */
.freq-post-shell { padding: 56px 0 96px; }

.freq-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 60;
  background: transparent;
}
.freq-progress .fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #E5348B, #FF4A9C);
  transition: width 80ms linear;
}

.freq-post-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: left;
}
.freq-post-head .crumbs {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 24px;
}
.freq-post-head .crumbs a { color: var(--fg-3); }
.freq-post-head .crumbs a:hover { color: var(--fg-1); }
.freq-post-head .crumbs span.sep { margin: 0 8px; }
.freq-post-head .cat-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: #FFFFFF;
  background: #E5348B;
  border-radius: 999px;
}
.freq-post-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--fg-1);
  margin: 24px 0 0;
  text-wrap: balance;
}
.freq-post-head h1 .em { color: #E5348B; font-style: italic; font-weight: 400; }
.freq-post-head .deck {
  font-family: var(--font-serif);
  font-size: 22px; line-height: 1.4;
  font-weight: 400;
  color: var(--fg-2);
  margin: 24px 0 0;
  font-style: italic;
}

.freq-post-meta {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  margin-top: 40px;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
}
.freq-post-meta .who { display: flex; align-items: center; gap: 12px; }
.freq-post-meta .who .av {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, #E5348B, #CC3366);
  color: #FFFFFF;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-weight: 600; font-size: 14px;
}
.freq-post-meta .who .name { font-size: 14px; font-weight: 600; color: var(--fg-1); }
.freq-post-meta .who .role {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3); margin-top: 2px;
}
.freq-post-meta .stats {
  display: flex; gap: 24px; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-post-meta .stats span b { color: var(--fg-1); font-weight: 500; font-variant-numeric: tabular-nums; }
.freq-post-meta .actions { display: flex; gap: 8px; }
.freq-post-meta .actions button {
  width: 36px; height: 36px;
  border: 1px solid var(--border-1);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--fg-2);
  background: var(--bg-surface);
  cursor: pointer;
  transition: all 0.18s var(--ease-standard);
}
.freq-post-meta .actions button:hover {
  border-color: #E5348B;
  color: #E5348B;
}

/* Post hero (cover) */
.freq-post-cover {
  max-width: 1080px;
  margin: 0 auto 56px;
  height: 460px;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(160deg, #15132B 0%, #010012 70%);
}
.freq-post-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(229,52,139,0.4), transparent 50%),
                    radial-gradient(circle at 75% 30%, rgba(255,74,156,0.3), transparent 60%);
}
.freq-post-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.freq-post-cover .cap {
  position: absolute; bottom: 16px; left: 24px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

/* Post layout */
.freq-post-body {
  display: grid;
  grid-template-columns: 220px minmax(0, 720px) 220px;
  gap: 56px;
  max-width: 1240px;
  margin: 0 auto;
}
@media (max-width: 1180px) {
  .freq-post-body { grid-template-columns: 200px minmax(0, 1fr); }
  .freq-post-body .right-rail { display: none; }
}
@media (max-width: 880px) {
  .freq-post-body { grid-template-columns: 1fr; }
  .freq-post-body .left-rail { display: none; }
}

.left-rail { position: sticky; top: 140px; align-self: start; }
.right-rail { position: sticky; top: 140px; align-self: start; }

.toc {
  border-left: 1px solid var(--border-1);
  padding-left: 20px;
}
.toc-title {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 16px;
}
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { counter-increment: toc; margin-bottom: 10px; }
.toc li a {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg-3);
  display: flex; gap: 10px;
  transition: color 0.18s var(--ease-standard);
}
.toc li a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  flex: 0 0 24px;
}
.toc li a:hover { color: var(--fg-1); }
.toc li.active a { color: #E5348B; }
.toc li.active a::before { color: #E5348B; }

/* Right rail blocks */
.rail-block {
  border: 1px solid var(--border-1);
  border-radius: 12px;
  padding: 16px;
  background: var(--bg-surface);
  margin-bottom: 14px;
}
.rail-block .lbl {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-3);
}
.rail-block .v {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.rail-block .v .u { font-family: var(--font-sans); font-size: 14px; color: #E5348B; font-weight: 600; }
.rail-block .sub {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.06em;
  color: var(--fg-3);
  margin-top: 4px;
}

/* Article typography */
.freq-article {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--fg-1);
}
.freq-article p {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--fg-1);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.freq-article p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 80px;
  font-weight: 500;
  float: left;
  line-height: 1;
  margin: 6px 14px 0 0;
  color: #E5348B;
}
.freq-article h2 {
  font-family: var(--font-serif);
  font-size: 36px; line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.018em;
  margin: 56px 0 20px;
  color: var(--fg-1);
  text-wrap: balance;
}
.freq-article h2::before {
  content: counter(section, decimal-leading-zero);
  counter-increment: section;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #E5348B;
  display: block;
  margin-bottom: 8px;
}
.freq-article { counter-reset: section; }
.freq-article h3 {
  font-family: var(--font-sans);
  font-size: 22px; line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 16px;
  color: var(--fg-1);
}
.freq-article a { color: #E5348B; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.freq-article a:hover { color: #FF1E84; }
.freq-article ul, .freq-article ol {
  font-family: var(--font-serif);
  padding-left: 24px;
  margin: 0 0 24px;
}
.freq-article li { margin-bottom: 8px; }

/* Pull quote */
.pull-quote {
  margin: 56px -40px;
  padding: 48px 0;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  position: relative;
}
.pull-quote .mark {
  font-family: var(--font-serif);
  font-size: 96px;
  color: #E5348B;
  line-height: 0.5;
  height: 32px;
  margin-bottom: 24px;
}
.pull-quote blockquote {
  font-family: var(--font-serif);
  font-size: 32px;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
  font-style: italic;
}
.pull-quote cite {
  display: block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-3);
  font-style: normal;
}
@media (max-width: 720px) { .pull-quote { margin: 40px 0; } .pull-quote blockquote { font-size: 24px; } }

/* Inline metric (in article) */
.inline-metric-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-1);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  margin: 40px 0;
  overflow: hidden;
}
.inline-metric-block .cell {
  padding: 24px;
  background: var(--bg-surface);
}
.inline-metric-block .cell .lbl {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-3);
}
.inline-metric-block .cell .v {
  font-family: var(--font-serif);
  font-size: 44px; font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--fg-1);
  margin-top: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.inline-metric-block .cell .v .u { font-family: var(--font-sans); font-size: 16px; color: #E5348B; font-weight: 600; }
.inline-metric-block .cell .sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  margin-top: 6px;
}

/* Code block */
.freq-article pre {
  background: #010012;
  color: #C8C6D4;
  padding: 24px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid #15132B;
}
.freq-article pre .k { color: #FF4A9C; }
.freq-article pre .s { color: #4ADE80; }
.freq-article pre .c { color: #5A6070; font-style: italic; }

/* Footnote tag */
.freq-article .fn {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #E5348B;
  vertical-align: super;
  cursor: pointer;
  text-decoration: none;
}

/* Post footer */
.freq-post-footer {
  max-width: 760px; margin: 80px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border-1);
}
.freq-post-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 32px;
}
.freq-post-tags .tg {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--border-1);
  border-radius: 999px;
  color: var(--fg-2);
}

.freq-author-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--border-1);
  border-radius: 16px;
  background: var(--bg-surface);
  align-items: center;
}
.freq-author-card .av {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, #E5348B, #CC3366);
  color: #FFFFFF;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 600; font-size: 22px;
}
.freq-author-card .name {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg-1);
}
.freq-author-card .bio { font-size: 14px; color: var(--fg-2); margin-top: 4px; }

/* Related */
.freq-related {
  max-width: 1080px; margin: 96px auto 0;
}
.freq-related-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 24px;
}
.freq-related-head h3 {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 500;
  letter-spacing: -0.018em;
}
.freq-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 720px) { .freq-related-grid { grid-template-columns: 1fr; } }

/* Topbar dimming for post */
.freq-topbar {
  position: sticky; top: 0; z-index: 50;
  height: 64px;
  border-bottom: 1px solid var(--border-1);
  background: color-mix(in srgb, var(--bg-page) 80%, transparent);
  backdrop-filter: blur(14px);
  display: flex; align-items: center;
}
.freq-topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.freq-topbar .crumb {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3);
}
.freq-topbar .crumb b { color: var(--fg-1); font-weight: 500; }
.freq-topbar .actions { display: flex; gap: 10px; }

/* Tweaks panel */
.freq-tweaks {
  position: fixed; right: 24px; bottom: 24px;
  z-index: 100;
  width: 280px;
  background: var(--bg-raised);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 20px;
  display: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.freq-tweaks.on { display: block; }
.freq-tweaks h5 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-3);
  display: flex; justify-content: space-between; align-items: center;
}
.freq-tweaks h5 .x { cursor: pointer; font-size: 18px; line-height: 1; color: var(--fg-3); }
.freq-tweaks .group { margin-bottom: 14px; }
.freq-tweaks label {
  font-size: 12px; color: var(--fg-2);
  display: block; margin-bottom: 8px;
}
.freq-tweaks .seg {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  gap: 2px; padding: 2px;
  background: var(--bg-page);
  border: 1px solid var(--border-1);
  border-radius: 8px;
}
.freq-tweaks .seg button {
  padding: 6px 8px;
  font-size: 11px; font-weight: 500;
  border-radius: 6px;
  color: var(--fg-2);
}
.freq-tweaks .seg button.on {
  background: var(--bg-surface);
  color: var(--fg-1);
}

/* --------------------------------------------------------------------------
   Mobile da topbar do blog.
   Sem isto, os links (408px) mais o botão (150px) somam 658px numa tela de
   390px: a página ganha rolagem horizontal e o logo sai de vista. Os links
   passam a rolar sozinhos dentro da barra e o botão sai, já que o CTA se
   repete no fim de cada post.
   overflow-x: clip em vez de hidden de propósito: hidden vira container de
   scroll e faz a rolagem grudar no Safari do Mac.
   -------------------------------------------------------------------------- */
@media (max-width: 780px) {
  html, body { overflow-x: clip; max-width: 100%; }

  .topbar { gap: 12px; }
  .topbar .brand { flex: 0 0 auto; }
  .topbar .nav-links {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .topbar .nav-links::-webkit-scrollbar { display: none; }
  .topbar .topbar-cta { display: none; }

  .freq-progress { width: 100%; max-width: 100vw; }
}