/* ═══════════════════════════════════════════════════════════════════
   X-ID ROOT PORTAL · x-id.ai (a marca-mãe)
   Publicação editorial sóbria. Tinta neutra sobre papel quente.
   O prisma das 4 cores aparece SÓ na vitrine dos mundos.
   Prefixo: xr-  (x-root)
   ═══════════════════════════════════════════════════════════════════ */

.xr-page {
  background: var(--bg-base);
  color: var(--text);
  min-height: 100vh;
}

.xr-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}

/* ── Masthead — cabeçalho de publicação ─────────────────────── */
.xr-masthead {
  border-bottom: 2px solid var(--text);
  padding-top: clamp(22px, 3vw, 34px);
}
.xr-masthead-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  padding-bottom: 14px;
}
.xr-masthead-top-l,
.xr-masthead-top-r { display: inline-flex; align-items: center; gap: 12px; }
.xr-masthead-sep { color: var(--text-dim); }
.xr-masthead-est { text-transform: uppercase; letter-spacing: 0.16em; }
.xr-masthead-sub-link { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--text-dim); padding-bottom: 1px; }
.xr-masthead-sub-link:hover { color: var(--accent); border-color: var(--accent); }

.xr-masthead-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(10px, 2vw, 22px) 0 clamp(16px, 2.5vw, 26px);
  border-top: 1px solid var(--border);
}
.xr-masthead-logo {
  display: block;
  color: var(--text);
}
.xr-masthead-tagline {
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.3vw, 13px);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 12px;
}

/* ── Nav dos mundos (linha sob o masthead) ──────────────────── */
.xr-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 40px);
  border-bottom: 1px solid var(--border);
  padding: 0 0 2px;
  flex-wrap: wrap;
}
.xr-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  text-decoration: none;
  padding: 14px 2px;
  transition: color 0.15s ease;
}
.xr-nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--xr-c, var(--text));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}
.xr-nav-link:hover { color: var(--text); }
.xr-nav-link:hover::after { transform: scaleX(1); }
.xr-nav-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--xr-c, var(--text-dim));
}
.xr-nav-sub {
  margin-left: auto;
}
@media (max-width: 760px) {
  .xr-nav { justify-content: flex-start; gap: 18px; overflow-x: auto; }
  .xr-nav-sub { margin-left: 0; }
}

/* ── Hero editorial (a tese) ────────────────────────────────── */
.xr-hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  padding: clamp(40px, 6vw, 84px) 0 clamp(36px, 5vw, 64px);
  border-bottom: 1px solid var(--border);
}
.xr-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
}
.xr-hero-eyebrow::before {
  content: "";
  width: 22px; height: 1px; background: var(--accent);
}
.xr-hero-headline {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.xr-hero-headline em {
  font-style: italic;
  color: var(--text-mute);
}
.xr-hero-dek {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--text-mute);
  margin: 26px 0 0;
  max-width: 46ch;
  text-wrap: pretty;
}
.xr-hero-byline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.xr-hero-byline::before {
  content: "";
  width: 28px; height: 1px; background: var(--border);
}

/* Lead story (lado direito do hero) */
.xr-lead {
  border-left: 1px solid var(--border);
  padding-left: clamp(0px, 4vw, 56px);
}
@media (max-width: 860px) {
  .xr-hero { grid-template-columns: 1fr; }
  .xr-lead { border-left: 0; padding-left: 0; padding-top: 32px; border-top: 1px solid var(--border); }
}
.xr-lead-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
}
.xr-lead-pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: xr-pulse 2.4s ease-out infinite;
}
@keyframes xr-pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.68 0.26 0 / 0.4); }
  70% { box-shadow: 0 0 0 8px oklch(0.68 0.26 0 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.68 0.26 0 / 0); }
}
.xr-lead-card { text-decoration: none; color: inherit; display: block; group: lead; }
.xr-lead-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 18px;
}
.xr-lead-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.xr-lead-cover-grad { position: absolute; inset: 0; }
.xr-lead-cat {
  position: absolute;
  left: 12px; bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: oklch(0.99 0 0);
  background: oklch(0 0 0 / 0.4);
  backdrop-filter: blur(4px);
  padding: 5px 10px;
  border-radius: 6px;
}
.xr-lead-title {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
  transition: color 0.15s ease;
}
.xr-lead-card:hover .xr-lead-title { color: var(--accent); }
.xr-lead-dek {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-mute);
  margin: 0 0 16px;
}
.xr-lead-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 9px;
}
.xr-lead-face {
  width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 600; color: oklch(0.99 0 0);
}

/* ── Os quatro mundos (a vitrine — prisma) ──────────────────── */
.xr-worlds { padding: clamp(48px, 6vw, 80px) 0; border-bottom: 1px solid var(--border); }
.xr-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(26px, 3vw, 40px);
  flex-wrap: wrap;
}
.xr-section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.xr-section-title {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0;
}
.xr-section-note {
  font-size: 14px;
  color: var(--text-mute);
  max-width: 40ch;
  text-align: right;
  text-wrap: pretty;
}

.xr-worlds-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .xr-worlds-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .xr-worlds-grid { grid-template-columns: 1fr; } }

.xr-world {
  --c: var(--text);
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 20px 18px;
  background: var(--bg-elev);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  min-height: 230px;
}
.xr-world::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: var(--c);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.xr-world:hover {
  border-color: color-mix(in oklch, var(--c) 50%, var(--border));
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -24px var(--c);
}
.xr-world:hover::before { transform: scaleX(1); }
.xr-world-glyph {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  color: var(--c);
  background: var(--c-bg);
  margin-bottom: 18px;
}
.xr-world-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 9px;
}
.xr-world-tagline {
  font-size: 14px;
  line-height: 1.45;
  color: var(--text-mute);
  margin: 0 0 auto;
  text-wrap: pretty;
}
.xr-world-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.xr-world-example {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.xr-world-example-v {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xr-world-example-l {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.xr-world-arrow {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-mute);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.xr-world:hover .xr-world-arrow {
  background: var(--c);
  color: oklch(0.99 0 0);
  border-color: var(--c);
  transform: translate(2px, -2px);
}

/* ── Curadoria de leitura (grid editorial do universo) ──────── */
.xr-reading { padding: clamp(48px, 6vw, 80px) 0; border-bottom: 1px solid var(--border); }
.xr-reading-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 820px) { .xr-reading-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .xr-reading-grid { grid-template-columns: 1fr; } }
.xr-read {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--bg-base);
  padding: 24px 22px 22px;
  transition: background 0.15s ease;
}
.xr-read:hover { background: var(--bg-elev); }
.xr-read-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 7px;
}
.xr-read-cat::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
}
.xr-read-title {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 auto;
  transition: color 0.15s ease;
}
.xr-read:hover .xr-read-title { color: var(--accent); }
.xr-read-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
  margin-top: 22px;
}
.xr-read-face {
  width: 20px; height: 20px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 8.5px; font-weight: 600; color: oklch(0.99 0 0);
}
.xr-read-sep { color: var(--border); }
.xr-reading-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  margin-top: 26px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--text-dim);
  transition: gap 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.xr-reading-all:hover { gap: 12px; color: var(--accent); border-color: var(--accent); }

/* ── Convite a autores (ganha-ganha) ────────────────────────── */
.xr-authors {
  padding: clamp(48px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 820px) { .xr-authors { grid-template-columns: 1fr; } }
.xr-authors-headline {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
}
.xr-authors-dek {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.6;
  color: var(--text-mute);
  margin: 22px 0 26px;
  max-width: 50ch;
  text-wrap: pretty;
}
.xr-authors-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--text);
  border-radius: 999px;
  padding: 12px 22px;
  transition: background 0.16s ease, color 0.16s ease, gap 0.16s ease;
}
.xr-authors-link:hover { background: var(--text); color: var(--bg-base); gap: 14px; }

/* faces empilhadas dos autores */
.xr-authors-faces {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.xr-author-chip {
  display: flex;
  align-items: center;
  gap: 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px 7px 7px;
  background: var(--bg-elev);
}
.xr-author-chip-face {
  width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: oklch(0.99 0 0);
}
.xr-author-chip-meta { display: flex; flex-direction: column; gap: 1px; }
.xr-author-chip-name { font-size: 13px; font-weight: 600; }
.xr-author-chip-role { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); }

/* ── A espinha X-ID (pilares de infra) ──────────────────────── */
.xr-spine { padding: clamp(48px, 6vw, 80px) 0; border-bottom: 1px solid var(--border); }
.xr-spine-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 820px) { .xr-spine-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .xr-spine-grid { grid-template-columns: 1fr; } }
.xr-spine-cell {
  background: var(--bg-base);
  padding: 26px 22px;
}
.xr-spine-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.xr-spine-v {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 10px;
}
.xr-spine-detail {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-mute);
  margin: 0;
  text-wrap: pretty;
}

/* ── O sinal velado (colofão-sussurro) ──────────────────────── */
.xr-signal {
  padding: clamp(56px, 8vw, 110px) 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.xr-signal-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 26px;
}
.xr-signal-line {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 22ch;
  margin: 0 auto 40px;
  text-wrap: balance;
}
.xr-signal-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--text-dim);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.xr-signal-link:hover { color: var(--text); border-color: var(--text); }

/* whisper do sinal ocupa a própria linha, abaixo da frase */
.xr-signal .xr-whisper { display: flex; margin-top: 4px; }

/* ── Newsletter ─────────────────────────────────────────────── */
.xr-news {
  padding: clamp(48px, 7vw, 96px) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.xr-news-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.xr-news-title {
  font-family: "Instrument Serif", var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 20ch;
}
.xr-news-sub {
  font-size: 15px;
  color: var(--text-mute);
  margin: 0 0 30px;
  max-width: 44ch;
}
.xr-news-form {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 460px;
  flex-wrap: wrap;
}
.xr-news-input {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--text);
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 14px 20px;
  outline: none;
  transition: border-color 0.15s ease;
}
.xr-news-input::placeholder { color: var(--text-dim); }
.xr-news-input:focus { border-color: var(--accent); }
.xr-news-btn {
  flex: none;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--bg-base);
  background: var(--text);
  border: 0;
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.xr-news-btn:hover { opacity: 0.88; }
.xr-news-btn:active { transform: scale(0.98); }
.xr-news-sent {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--success);
  background: oklch(0.96 0.05 155);
  border: 1px solid oklch(0.8 0.12 155);
  border-radius: 999px;
  padding: 13px 24px;
}
.theme-dark .xr-news-sent { background: oklch(0.28 0.06 155); }
.xr-news-fine {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-top: 18px;
}

/* ── Footer institucional ───────────────────────────────────── */
.xr-foot { padding: clamp(48px, 6vw, 72px) 0 clamp(34px, 4vw, 54px); }
.xr-foot-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 760px) { .xr-foot-top { grid-template-columns: 1fr 1fr; gap: 28px; } }
.xr-foot-brand-logo { color: var(--text); margin-bottom: 16px; display: block; }
.xr-foot-brand-tagline {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-mute);
  max-width: 30ch;
  margin: 0;
}
.xr-foot-col-title {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.xr-foot-col-links { display: flex; flex-direction: column; gap: 11px; }
.xr-foot-link {
  font-size: 14px;
  color: var(--text-mute);
  text-decoration: none;
  transition: color 0.15s ease;
}
.xr-foot-link:hover { color: var(--text); }
.xr-foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 26px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.xr-foot-bottom-links { display: inline-flex; gap: 18px; flex-wrap: wrap; }
.xr-foot-bottom-links a { color: var(--text-dim); text-decoration: none; }
.xr-foot-bottom-links a:hover { color: var(--text); }

/* ── Whisper (DNA do dec-voice-hint, reusado do kit) ────────── */
.xr-whisper {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: lowercase;
  flex-wrap: wrap;
  justify-content: center;
  --w: var(--accent);
}
.xr-whisper-dot { flex: none; display: inline-flex; color: var(--w); opacity: 0.85; }
.xr-whisper-link {
  color: var(--w);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-left: 3px;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}
.xr-whisper-link:hover { opacity: 0.7; }

/* ── Mobile masthead tweaks ─────────────────────────────────── */
.mobile-frame .xr-masthead-top { font-size: 10px; }
.mobile-frame .xr-masthead-est { display: none; }
.mobile-frame .xr-hero { padding-top: 32px; }