/* ============================================================
   Metabolic Intelligence — Landing page
   Global entry. Tokens + reset first, then page styles.
   Mobile-first: base rules target the phone (primary surface);
   min-width media queries scale up to tablet and desktop.
   ============================================================ */

@import url('tokens/fonts.css');
@import url('tokens/colors.css');
@import url('tokens/typography.css');
@import url('tokens/spacing.css');
@import url('tokens/base.css');

/* ------------------------------------------------------------
   Page shell
   ------------------------------------------------------------ */
html { scroll-behavior: smooth; }
body { background: var(--ground-1); overflow-x: hidden; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 22px;
  padding-right: 22px;
}
@media (min-width: 768px) {
  .wrap { padding-left: 24px; padding-right: 24px; }
}

/* Calm scroll reveal — short fade + lift on one soft easing.
   Disabled entirely under reduced-motion. */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease-calm),
              transform var(--dur-slow) var(--ease-calm);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  /* Still the heartbeat for visitors who ask for calm. */
  .intro-portrait img,
  .pulse::after,
  .panel-status::before { animation: none; }
}

/* ------------------------------------------------------------
   Buttons (the one loud element)
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  line-height: 1;
  letter-spacing: 0.005em;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background var(--dur-base) var(--ease-calm),
              color var(--dur-base) var(--ease-calm),
              border-color var(--dur-base) var(--ease-calm),
              transform var(--dur-fast) var(--ease-calm);
}
.btn:active { transform: translateY(0.5px); }

.btn-sm { padding: 10px 18px; font-size: var(--text-sm); }
.btn-md { padding: 14px 26px; font-size: var(--text-base); }
.btn-lg { padding: 18px 34px; font-size: var(--text-lg); }
/* CTA — large presence, slightly smaller type than lg */
.btn-cta { padding: 17px 32px; font-size: 16px; }

.btn-primary { background: var(--cta-bg); color: var(--cta-text); }
.btn-primary:hover { background: var(--cta-bg-hover); }

.btn-secondary { background: transparent; color: var(--ink-900); border-color: var(--ink-300); }
.btn-secondary:hover { border-color: var(--ink-900); background: rgba(27, 26, 23, 0.03); }

.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { background: rgba(27, 26, 23, 0.05); }

.btn-full { width: 100%; }

/* ------------------------------------------------------------
   Mono eyebrow tag
   ------------------------------------------------------------ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  line-height: 1;
  color: var(--ink-400);
}
.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.tag.no-dot::before { display: none; }
.tag-relief    { color: var(--relief-600); }
.tag-control   { color: var(--control-600); }
.tag-hope      { color: var(--hope-600); }
.tag-certainty { color: var(--certainty-600); }
.tag-salt      { color: var(--salt-600); }
.tag-muted     { color: var(--ink-400); }

/* Live vital indicator — a quiet heartbeat. Replaces the static dot
   (use with .no-dot). A solid core with a slow expanding ring: the
   page taking a pulse. Inherits the tag tone via currentColor. */
.pulse {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: none;
}
.pulse::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 50%;
  background: currentColor;
}
.pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-ring 2.6s var(--ease-calm) infinite;
}
@keyframes pulse-ring {
  0%   { transform: scale(0.6); opacity: 0.5; }
  70%  { transform: scale(2.8); opacity: 0; }
  100% { transform: scale(2.8); opacity: 0; }
}

/* ============================================================
   NAV — floating matte-glass pill
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0 auto;
  max-width: 1160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: background var(--dur-base) var(--ease-calm);
}
/* Once scrolled, a faint matte ground fills behind the words so they
   stay legible over content — no border, no pill, still on the ground. */
.nav.is-scrolled { background: var(--ground-1); }
@media (min-width: 768px) {
  .nav { padding: 20px 24px; }
}
.nav-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.nav-brand img { width: 28px; height: 28px; object-fit: contain; flex: none; }
.nav-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink-900);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-sub {
  display: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-left: 2px;
  padding-top: 2px;
}
.nav-links { display: none; gap: 24px; }
.nav-links a { font-family: var(--font-sans); font-size: 15px; color: var(--ink-700); font-weight: 500; }
.nav-links a:hover { color: var(--ink-900); }
.nav-right { display: flex; align-items: center; gap: 28px; }
@media (min-width: 640px) { .nav-sub { display: inline; } }
@media (min-width: 920px) { .nav-links { display: flex; } }

/* ============================================================
   INTRO HERO — the emotional interruption: question + portrait
   ============================================================ */
.intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 48px 0 56px;
  align-items: center;
}
@media (min-width: 768px)  { .intro { padding: 64px 0 72px; gap: 48px; } }
@media (min-width: 1000px) {
  .intro { grid-template-columns: 1.32fr 0.68fr; gap: 56px; padding: 72px 0 96px; }
}
.intro h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(33px, 5.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin: 20px 0 0;
  max-width: 22ch;
}
.intro-lead {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.6;
  color: var(--ink-500);
  max-width: 440px;
  margin: 24px 0 0;
}
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 32px; }
.intro-actions .btn { flex: 1 1 auto; }
@media (min-width: 480px) { .intro-actions .btn { flex: 0 0 auto; } }

.intro-portrait { display: flex; justify-content: center; }
@media (min-width: 1000px) { .intro-portrait { justify-content: flex-end; } }
.intro-portrait figure { margin: 0; width: 100%; max-width: 380px; }
.intro-portrait img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-deep);
  transform-origin: center 60%;
  /* The figure breathes — a slow, barely-there rise and settle. Soul, not motion. */
  animation: breathe 7s var(--ease-calm) infinite alternate;
}
@keyframes breathe {
  from { transform: scale(1); }
  to   { transform: scale(1.014); }
}
.intro-portrait figcaption {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.intro-portrait .cap-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}
.intro-portrait .cap-role {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
}

/* ============================================================
   HERO  (second beat — the relief + proof readout)
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  padding: 64px 0 40px;
  align-items: center;
}
@media (min-width: 768px)  { .hero { padding: 80px 0 56px; gap: 56px; } }
@media (min-width: 1000px) {
  .hero { grid-template-columns: 1.05fr 0.95fr; gap: 64px; padding: 80px 0 64px; }
}

.hero h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(40px, 9vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin: 20px 0 0;
}
.hero-lead {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.6;
  color: var(--ink-500);
  max-width: 460px;
  margin: 22px 0 0;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 32px; }
.hero-actions .btn { flex: 1 1 auto; }
@media (min-width: 480px) { .hero-actions .btn { flex: 0 0 auto; } }

.hero-stats { display: flex; gap: 22px; margin-top: 40px; flex-wrap: wrap; }
.hero-stat-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.hero-stat .mono-label { margin-top: 8px; display: block; }
.hero-stat-div { width: 1px; align-self: stretch; background: var(--ink-line); }

.hero-figure { display: flex; justify-content: center; }
@media (min-width: 1000px) { .hero-figure { justify-content: flex-end; } }

/* ============================================================
   BIOMETRIC PANEL — the deep instrument proof object
   ============================================================ */
.panel {
  background: var(--slate-900);
  color: var(--on-slate);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-deep);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  box-sizing: border-box;
}
@media (min-width: 768px) { .panel { padding: 48px; } }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.panel-mono {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--on-slate-dim);
}
.panel-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: var(--text-2xs);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--relief-500);
}
.panel-status::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--relief-500);
  /* live reading — a soft pulsing halo on the in-range vital */
  animation: status-pulse 2.6s var(--ease-calm) infinite;
}
@keyframes status-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(94, 126, 110, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(94, 126, 110, 0); }
  100% { box-shadow: 0 0 0 0 rgba(94, 126, 110, 0); }
}
.panel-marker {
  font-family: var(--font-serif); font-size: var(--text-2xl);
  font-weight: var(--fw-semibold); color: var(--on-slate); margin-bottom: 24px;
}
.panel-readout { display: flex; align-items: flex-end; gap: 24px; margin-bottom: 12px; }
.panel-col { display: flex; flex-direction: column; gap: 6px; }
.panel-lbl {
  font-family: var(--font-mono); font-size: var(--text-2xs);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--on-slate-dim);
}
.panel-lbl.now { color: var(--relief-500); }
.panel-before {
  font-family: var(--font-mono); font-size: var(--text-3xl);
  color: var(--on-slate-dim); font-variant-numeric: tabular-nums; line-height: 1;
}
.panel-arrow { font-family: var(--font-mono); font-size: var(--text-2xl); color: var(--on-slate-dim); padding-bottom: 4px; }
.panel-now { display: flex; align-items: baseline; gap: 8px; }
.panel-after {
  font-family: var(--font-mono); font-weight: var(--fw-medium);
  font-size: var(--text-6xl); color: var(--on-slate);
  font-variant-numeric: tabular-nums; line-height: 0.9;
}
.panel-unit { font-family: var(--font-mono); font-size: var(--text-lg); color: var(--on-slate-dim); }
.panel-caption { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; gap: 12px; }
.panel-caption span {
  font-family: var(--font-mono); font-size: var(--text-2xs);
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--on-slate-dim);
}
.panel-secondary { margin-top: 32px; border-top: 1px solid rgba(237, 235, 228, 0.1); padding-top: 8px; }
.metric {
  display: grid; grid-template-columns: 1fr auto auto auto;
  align-items: baseline; gap: 14px; padding: 14px 0;
  border-bottom: 1px solid rgba(237, 235, 228, 0.08);
}
.metric:last-child { border-bottom: none; }
.metric-lbl {
  font-family: var(--font-mono); font-size: var(--text-2xs);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--on-slate-dim);
}
.metric-before { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--on-slate-dim); font-variant-numeric: tabular-nums; }
.metric-arrow { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--on-slate-dim); }
.metric-after {
  font-family: var(--font-mono); font-size: var(--text-base); font-weight: var(--fw-medium);
  color: var(--on-slate); font-variant-numeric: tabular-nums;
}
.metric-after .u { color: var(--relief-500); font-size: var(--text-2xs); margin-left: 6px; }

/* ============================================================
   THE PROBLEM — single salt (fear) moment
   ============================================================ */
.problem {
  background: var(--ground-0);
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}
.problem-inner { max-width: 760px; margin: 0 auto; padding: 88px 22px; text-align: center; }
@media (min-width: 768px) { .problem-inner { padding: 112px 24px; } }
.problem h2 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(28px, 5vw, 42px); line-height: 1.18;
  letter-spacing: -0.02em; color: var(--ink-900); margin: 22px 0 0;
}
.problem p {
  font-family: var(--font-sans); font-weight: 400;
  font-size: clamp(17px, 2.3vw, 19px); line-height: 1.65;
  color: var(--ink-500); margin: 24px auto 0; max-width: 560px;
}

/* ============================================================
   THE PATH — four emotion steps
   ============================================================ */
.path { padding: 88px 0; }
@media (min-width: 768px) { .path { padding: 120px 0; } }
.path-head { text-align: center; margin-bottom: 44px; }
@media (min-width: 768px) { .path-head { margin-bottom: 56px; } }
.path-head h2 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(28px, 5vw, 42px); line-height: 1.16;
  letter-spacing: -0.02em; color: var(--ink-900);
  margin: 18px auto 0; max-width: 620px;
}
.path-head .tag { margin: 0 auto; }
.path-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 560px)  { .path-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (min-width: 1000px) { .path-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; } }

.step {
  background: var(--ground-0);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex; flex-direction: column;
  transition: box-shadow var(--dur-base) var(--ease-calm), transform var(--dur-base) var(--ease-calm);
}
.step:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.step-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.step-top img { width: 26px; height: 26px; opacity: 0.82; }
.step-num { font-family: var(--font-mono); font-size: 12px; color: var(--ink-300); font-variant-numeric: tabular-nums; }
.step h3 {
  font-family: var(--font-serif); font-weight: 600; font-size: 21px;
  line-height: 1.28; letter-spacing: -0.01em; color: var(--ink-900); margin: 14px 0 10px;
}
.step p { font-family: var(--font-sans); font-weight: 400; font-size: 15px; line-height: 1.55; color: var(--ink-500); margin: 0; }

/* ============================================================
   PROOF — measured outcomes
   ============================================================ */
.proof { background: var(--ground-2); }
.proof-inner { padding: 88px 0; }
@media (min-width: 768px) { .proof-inner { padding: 112px 0; } }
.proof-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
@media (min-width: 900px) { .proof-grid { grid-template-columns: 0.8fr 1.2fr; gap: 64px; } }
.proof-intro h2 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(28px, 4.5vw, 38px); line-height: 1.18;
  letter-spacing: -0.02em; color: var(--ink-900); margin: 18px 0 16px;
}
.proof-intro p { font-family: var(--font-sans); font-size: 17px; line-height: 1.6; color: var(--ink-500); margin: 0; max-width: 360px; }
.proof-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-card {
  background: var(--ground-0); box-shadow: var(--shadow-md);
  border-radius: var(--radius-md); padding: 28px;
}
.stat-label {
  font-family: var(--font-mono); font-size: var(--text-2xs); font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--ink-400);
  display: block; margin-bottom: 14px;
}
.stat-value-row { display: flex; align-items: baseline; gap: 8px; }
.stat-value {
  font-family: var(--font-mono); font-weight: var(--fw-medium);
  font-size: clamp(34px, 6vw, 44px); line-height: 1; letter-spacing: var(--ls-data);
  color: var(--ink-900); font-variant-numeric: tabular-nums;
}
.stat-unit { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--ink-400); }

.quote-card {
  background: var(--ground-0); border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg); padding: 32px; margin-top: 32px;
}
@media (min-width: 768px) { .quote-card { padding: 48px; margin-top: 40px; } }
.quote-card p {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(20px, 3vw, 24px); line-height: 1.5; color: var(--ink-900); margin: 0; max-width: 760px;
}
.quote-card .mono-label { margin-top: 18px; display: block; }

/* ============================================================
   FINAL CTA + FOOTER
   ============================================================ */
.final { text-align: center; padding: 96px 0 88px; }
@media (min-width: 768px) { .final { padding: 128px 0 112px; } }
.final img { width: 52px; height: 52px; object-fit: contain; opacity: 0.9; }
.final h2 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(34px, 6vw, 52px); line-height: 1.08;
  letter-spacing: -0.025em; color: var(--ink-900); margin: 26px auto 0; max-width: 640px;
}
.final-lead {
  font-family: var(--font-sans); font-size: clamp(17px, 2.4vw, 19px);
  line-height: 1.6; color: var(--ink-500); margin: 20px auto 0; max-width: 480px;
}
.final-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 32px; }
.final-actions .btn { flex: 1 1 auto; }
@media (min-width: 480px) { .final-actions .btn { flex: 0 0 auto; } }
.final .tag { margin-top: 22px; }

.footer { background: var(--slate-900); color: var(--on-slate); }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 36px;
  padding: 56px 0 40px;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; padding: 72px 0 48px; } }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; }
.footer-brand span { font-family: var(--font-serif); font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
.footer-statement {
  font-family: var(--font-sans); font-size: 13.5px; line-height: 1.62;
  color: var(--on-slate-dim); margin: 4px 0 0; max-width: 340px;
}
.footer-tagline {
  font-family: var(--font-sans); font-size: 14px; line-height: 1.6;
  color: var(--on-slate-dim); margin: 18px 0 0; max-width: 240px;
}

/* Footer contact + social */
.footer-contact { margin-top: 24px; }
.footer-contact .mono-label { color: var(--on-slate-dim); display: block; }
.footer-email {
  display: inline-block; margin-top: 10px;
  font-family: var(--font-sans); font-size: 15px; color: var(--on-slate);
  border-bottom: 1px solid rgba(237, 235, 228, 0.25); padding-bottom: 2px;
  transition: color var(--dur-base) var(--ease-calm), border-color var(--dur-base) var(--ease-calm);
}
.footer-email:hover { color: #fff; border-color: rgba(237, 235, 228, 0.6); }
.footer-phone {
  display: block; margin-top: 12px;
  font-family: var(--font-sans); font-size: 15px; color: var(--on-slate);
}

.social { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(237, 235, 228, 0.18);
  color: var(--on-slate);
  transition: color var(--dur-base) var(--ease-calm),
              border-color var(--dur-base) var(--ease-calm),
              background var(--dur-base) var(--ease-calm),
              transform var(--dur-fast) var(--ease-calm);
}
.social a:hover {
  color: #fff; border-color: rgba(237, 235, 228, 0.55);
  background: rgba(237, 235, 228, 0.07); transform: translateY(-2px);
}
.social svg { width: 20px; height: 20px; display: block; }
.footer-col .mono-label { color: var(--on-slate-dim); }
.footer-col-links { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.footer-col-links a { font-family: var(--font-sans); font-size: 15px; color: var(--on-slate); }
.footer-col-links a:hover { color: #fff; }
.footer-bar { border-top: 1px solid rgba(237, 235, 228, 0.1); }
.footer-bar-inner {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px 0; justify-content: space-between;
}
@media (min-width: 560px) { .footer-bar-inner { flex-direction: row; align-items: center; } }
.footer-bar-inner span {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--on-slate-dim);
}

/* ============================================================
   INNER PAGES — sub-nav, page hero, prose, article & tool cards
   ============================================================ */
.subnav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1160px; margin: 0 auto; padding: 16px 22px;
  transition: background var(--dur-base) var(--ease-calm);
}
.subnav.is-scrolled { background: var(--ground-1); }
@media (min-width: 768px) { .subnav { padding: 20px 24px; } }
.subnav-brand { display: flex; align-items: center; gap: 10px; }
.subnav-brand img { width: 28px; height: 28px; object-fit: contain; }
.subnav-name { font-family: var(--font-serif); font-weight: 600; font-size: 17px; color: var(--ink-900); letter-spacing: -0.01em; }
.subnav-back { font-family: var(--font-sans); font-size: 15px; color: var(--ink-700); font-weight: 500; }
.subnav-back:hover { color: var(--ink-900); }

.page-hero {
  max-width: 760px; margin: 0 auto; padding: 56px 22px 40px; text-align: center;
}
@media (min-width: 768px) { .page-hero { padding: 80px 24px 56px; } }
.page-hero h1 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(34px, 6vw, 56px); line-height: 1.1; letter-spacing: -0.025em;
  color: var(--ink-900); margin: 18px 0 0;
}
.page-hero p {
  font-family: var(--font-sans); font-size: clamp(17px, 2.4vw, 20px); line-height: 1.6;
  color: var(--ink-500); margin: 22px auto 0; max-width: 580px;
}
.page-hero .tag { margin: 0 auto; }

.page { max-width: 820px; margin: 0 auto; padding: 24px 22px 96px; }
@media (min-width: 768px) { .page { padding: 32px 24px 120px; } }

/* Editorial notice (for placeholder/draft legal copy) */
.notice {
  background: var(--salt-tint); border-radius: var(--radius-md);
  padding: 18px 22px; margin: 0 0 40px;
  font-family: var(--font-sans); font-size: 14.5px; line-height: 1.6; color: var(--salt-600);
}
.notice strong { color: var(--salt-600); }

/* Long-form prose (legal + articles) */
.prose { max-width: 680px; margin: 0 auto; }
.prose h2 {
  font-family: var(--font-serif); font-weight: 600; font-size: clamp(22px, 3vw, 28px);
  line-height: 1.25; letter-spacing: -0.015em; color: var(--ink-900); margin: 48px 0 14px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-family: var(--font-serif); font-weight: 600; font-size: 20px;
  line-height: 1.3; color: var(--ink-900); margin: 32px 0 10px;
}
.prose p {
  font-family: var(--font-sans); font-size: 17px; line-height: 1.7; color: var(--ink-700); margin: 0 0 16px;
}
.prose ul { margin: 0 0 16px; padding-left: 22px; }
.prose li { font-family: var(--font-sans); font-size: 17px; line-height: 1.7; color: var(--ink-700); margin: 0 0 8px; }
.prose .updated {
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-400); margin-bottom: 8px; display: block;
}

/* Article list (The Lab) */
.article-list { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 760px) { .article-list { gap: 20px; } }
.article-card {
  display: block;
  background: var(--ground-0);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: box-shadow var(--dur-base) var(--ease-calm), transform var(--dur-base) var(--ease-calm);
}
@media (min-width: 768px) { .article-card { padding: 36px; } }
.article-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.article-card .a-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 16px; }
.article-card .a-num { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.14em; color: var(--ink-300); }
.article-card h2 {
  font-family: var(--font-serif); font-weight: 600; font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.28; letter-spacing: -0.015em; color: var(--ink-900); margin: 0 0 12px;
}
.article-card p { font-family: var(--font-sans); font-size: 16px; line-height: 1.6; color: var(--ink-500); margin: 0; }
.article-card .a-more {
  display: inline-block; margin-top: 18px;
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--certainty-600);
}

/* Tool cards (Resource Hub) */
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 640px) { .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
.tool-card {
  display: flex; flex-direction: column;
  background: var(--ground-0); border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md); padding: 28px; min-height: 200px;
  transition: box-shadow var(--dur-base) var(--ease-calm), transform var(--dur-base) var(--ease-calm);
}
.tool-card.live:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.tool-card .t-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.tool-card .t-top img { width: 26px; height: 26px; opacity: 0.82; }
.tool-card h2 {
  font-family: var(--font-serif); font-weight: 600; font-size: 21px; line-height: 1.28;
  letter-spacing: -0.01em; color: var(--ink-900); margin: 0 0 10px;
}
.tool-card p { font-family: var(--font-sans); font-size: 15px; line-height: 1.55; color: var(--ink-500); margin: 0 0 20px; flex: 1; }
.tool-card .t-action { margin-top: auto; }
.tool-card .t-soon {
  font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-400);
}