/* ============================================================
   base.css — Ciderka Labs Design System
   labs.ciderka.com

   Mobile-first · BW minimal · Typographic
   Checkout pages excluded (Paddle integration).

   Small text: 13px (meta/labels) and 15px (body small)
   ============================================================ */

/* 1. Tokens ------------------------------------------------ */
:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #595959;
  --hair: rgba(10, 10, 10, .12);
  --focus: #2563ff;
  --max: 980px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  --serif: ui-serif, Georgia, "Times New Roman", Times, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* 2. Reset ------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
* { box-sizing: border-box; margin: 0; }
html { height: 100%; scroll-behavior: smooth; }
body {
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 var(--sans);
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media (min-width: 769px) { body { font-size: 18px; } }
::selection { background: rgba(0, 0, 0, .12); }
img { display: block; max-width: 100%; height: auto; }

/* 3. Typography -------------------------------------------- */
a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--hair); }
a:hover { border-bottom-color: var(--fg); }
a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }

h1, h2, h3 { font-family: var(--sans); font-weight: 800; }

h1 {
  font-size: clamp(48px, 9vw, 96px);
  line-height: .92;
  letter-spacing: -.05em;
}
h2 {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin: 64px 0 20px;
}
h3 {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 36px 0 12px;
}

/* serif italic tagline — "Create. Store. Recall." */
.csr {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(48px, 8vw, 92px);
  line-height: .95;
  letter-spacing: -.03em;
  display: block;
  margin: 12px 0 0;
}
.subhead {
  margin: 18px 0 0;
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 400;
  color: var(--muted);
  max-width: 56ch;
  line-height: 1.4;
}
.statement {
  margin: 28px 0 0;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 400;
  line-height: 1.2;
}
.statement .big {
  display: block;
  margin: 8px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -.03em;
  line-height: 1;
}

.sans { font-family: var(--sans); }
.serif { font-family: var(--serif); }
.kicker {
  font-size: 13px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 20px;
}
.meta { margin-top: 20px; font-size: 13px; color: var(--muted); letter-spacing: .01em; }
.note { font-size: 15px; color: var(--muted); margin-top: 16px; line-height: 1.5; }
code { font-family: var(--mono); font-size: .9em; background: rgba(10, 10, 10, .05); padding: 2px 6px; border-radius: 4px; }

/* 4. Layout ------------------------------------------------ */
.wrap { max-width: var(--max); margin: 0 auto; padding: 24px 20px 100px; }
@media (min-width: 769px) { .wrap { padding: 40px 24px 140px; } }

/* 5. Skip link --------------------------------------------- */
.skip-link {
  position: absolute; top: -100%; left: 16px;
  padding: 8px 16px; background: #000; color: #fff;
  border-radius: 4px; font-size: 13px; z-index: 100; transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* 6. Header & nav — mobile-first -------------------------- */
header {
  position: sticky; top: 0;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair); z-index: 10;
}
header .inner {
  max-width: var(--max); margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
@media (min-width: 769px) { header .inner { padding: 12px 24px; } }
.brand { white-space: nowrap; line-height: 0; }
.brand a { border-bottom: none; display: inline-block; }
.brand svg { height: 28px; width: auto; display: block; }

.hamburger {
  display: block; background: none; border: none;
  cursor: pointer; padding: 6px; color: var(--muted);
}
.hamburger:hover { color: var(--fg); }
.hamburger:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.hamburger svg { display: block; }

nav {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair);
  flex-direction: column; padding: 4px 20px 20px;
}
nav.open { display: flex; }
nav a {
  display: block; padding: 16px 0; font-size: 15px; font-weight: 500;
  color: var(--fg); border-bottom: 1px solid var(--hair);
}
nav a:last-child { border-bottom: none; }
nav a:hover { color: var(--fg); }
nav .btn-primary { display: inline-block; width: auto; margin: 16px 0 0; border-bottom: none; align-self: flex-start; }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 16px 15px 16px 0; font-size: 15px; font-weight: 500;
  color: var(--fg); border: none; border-bottom: 1px solid var(--hair);
  background: none; cursor: pointer; font-family: inherit;
}
.nav-dropdown-toggle::after {
  content: ''; display: block; width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; transition: transform .2s;
}
.nav-dropdown-menu {
  display: none; list-style: none; margin: 0; padding: 0 0 0 20px;
}
.nav-dropdown-menu a { font-size: 15px; color: var(--muted); padding: 12px 0; }
.nav-dropdown-menu li:last-child a { border-bottom: none; }
.nav-dropdown.open > .nav-dropdown-menu { display: block; }
.nav-dropdown.open > .nav-dropdown-toggle::after { transform: rotate(180deg); }

@media (min-width: 769px) {
  .hamburger { display: none; }
  nav {
    display: flex; position: static; background: transparent;
    backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: none;
    flex-direction: row; padding: 0; gap: 20px; align-items: center;
  }
  nav a { display: inline; padding: 0; font-size: 13px; font-weight: 500; color: var(--muted); border-bottom: none; }
  nav a:hover { color: var(--fg); }
  nav .btn-primary { margin: 0; }
  .nav-dropdown-toggle {
    display: inline-flex; width: auto; padding: 0; font-size: 13px;
    color: var(--muted); border-bottom: none; gap: 4px; justify-content: flex-start;
  }
  .nav-dropdown-toggle:hover { color: var(--fg); }
  .nav-dropdown-toggle::after { border-left-width: 3px; border-right-width: 3px; border-top-width: 3.5px; }
  .nav-dropdown-menu {
    position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
    min-width: 180px; padding: 8px 0;
    background: rgba(255, 255, 255, .98); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--hair); border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .08); z-index: 20;
  }
  .nav-dropdown-menu::before { content: ''; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
  .nav-dropdown-menu a { display: block; padding: 9px 20px; font-size: 13px; border-bottom: none; white-space: nowrap; }
  .nav-dropdown-menu a:hover { color: var(--fg); }
  .nav-dropdown:hover > .nav-dropdown-menu,
  .nav-dropdown:focus-within > .nav-dropdown-menu { display: block; }
  .nav-dropdown:hover > .nav-dropdown-toggle::after { transform: rotate(180deg); }
}

/* 7. Footer ------------------------------------------------ */
footer {
  margin-top: 80px; padding: 24px 0 0;
  border-top: 1px solid var(--hair); color: var(--muted); font-size: 13px;
  margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); padding-left: calc(50vw - 50%); padding-right: calc(50vw - 50%);
}
@media (min-width: 769px) { footer { margin-top: 120px; } }
.footer-links { display: flex; flex-direction: column; gap: 4px; }
@media (min-width: 769px) { .footer-links { flex-direction: row; justify-content: space-between; } }
footer a { color: var(--muted); }
footer a:hover { color: var(--fg); }
footer .cider-tagline {
  width: 100%; text-align: center; margin: 24px 0 0;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(28px, 3.2vw, 36px); letter-spacing: -.02em;
}
footer .cider-tagline a { border-bottom: 1px solid var(--hair); }
footer .cider-tagline a:hover { color: var(--fg); border-bottom-color: var(--fg); }

/* 8. Sections ---------------------------------------------- */
section { padding: 56px 0 0; }
@media (min-width: 769px) { section { padding: 80px 0 0; } }
.rule { display: none; }
.copy { max-width: 62ch; }
.copy p { margin: 0 0 16px; }
.list { margin: 20px 0 0; padding: 0; list-style: none; }
.list li { margin: 8px 0; font-size: 15px; color: var(--muted); }
.list li strong { color: var(--fg); font-weight: 700; }
details { margin-top: 12px; }
details summary { font-size: 13px; color: var(--muted); cursor: pointer; font-weight: 600; }
details summary:hover { color: var(--fg); }

/* 9. Buttons ----------------------------------------------- */
.cta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.cta a { border-bottom: 1px solid var(--fg); }

.btn-primary, .dl-btn {
  display: inline-block; padding: 14px 24px;
  background: var(--fg); color: var(--bg);
  border-radius: 999px; border: 0; border-bottom: none; text-decoration: none;
  font: 15px/1 var(--sans); font-weight: 600;
  cursor: pointer; position: relative; overflow: hidden;
  transition: background .15s, transform .15s;
}
.btn-primary::after, .dl-btn::after {
  content: ''; position: absolute; top: 0; left: -80%; width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, .25) 50%, transparent 80%);
  transform: skewX(-20deg); animation: btn-shine 5s ease-in-out infinite;
}
@keyframes btn-shine { 0%, 70% { left: -80%; } 85% { left: 130%; } 100% { left: 130%; } }
.btn-primary:hover, .dl-btn:hover { background: #1a1a1a; color: var(--bg); border-bottom-color: transparent; transform: translateY(0); }
.btn-primary:active, .dl-btn:active { transform: translateY(1px); }
.btn-primary:focus-visible, .dl-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.btn-secondary {
  display: inline-block; padding: 13px 24px;
  background: transparent; color: var(--fg);
  border: 1.5px solid var(--fg); border-bottom: 1.5px solid var(--fg); border-radius: 999px;
  text-decoration: none; font: 15px/1 var(--sans); font-weight: 600;
  cursor: pointer; transition: background .15s, color .15s;
}
.btn-secondary:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-secondary:active { transform: translateY(1px); }
.btn-secondary:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.btn-ghost {
  display: inline-block; padding: 0;
  background: none; border: none; border-bottom: 1.5px solid var(--fg);
  color: var(--fg); text-decoration: none;
  font: 15px/1 var(--sans); font-weight: 600;
  cursor: pointer; transition: opacity .15s;
}
.btn-ghost:hover { opacity: .5; }
.btn-ghost:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-lg { padding: 18px 34px; font-size: 17px; }

.cta-block { margin: 56px 0; padding: 40px 0; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.cta-kicker { font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; font-weight: 600; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.cta-meta { font-size: 13px; color: var(--muted); }

.insight-cta { margin-top: 72px; padding: 40px 0; }
.insight-cta .statement { margin-top: 14px; }
.insight-cta .cta { margin-top: 20px; }

/* 10. Grids & cards ---------------------------------------- */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 28px 0; }
@media (min-width: 769px) { .card-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; } }
.card { border: 1.5px solid var(--hair); border-radius: 10px; overflow: hidden; transition: border-color .15s; }
.card:hover { border-color: rgba(10, 10, 10, .3); }
.card-body { padding: 20px; }
.card-title { margin: 0 0 8px; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.card-excerpt { font-size: 15px; color: var(--muted); margin: 0; line-height: 1.45; }

.dl-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 24px 0 0; }
@media (min-width: 769px) { .dl-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); } }
.dl-card { border: 1.5px solid var(--hair); border-radius: 10px; padding: 22px; transition: border-color .15s; }
.dl-card:hover { border-color: rgba(10, 10, 10, .3); }
.dl-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 700; }
.dl-card .dl-meta { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.dl-card .dl-btn { font-size: 13px; padding: 10px 18px; }
.dl-wrap a { border-bottom: none; }

.os-tabs { display: flex; gap: 0; margin: 20px 0 0; border-bottom: 1.5px solid var(--hair); }
.os-tab {
  padding: 10px 22px; font-size: 13px; font-weight: 700; letter-spacing: .02em;
  border: none; background: none; cursor: pointer; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1.5px; transition: color .15s, border-color .15s;
}
.os-tab:hover { color: var(--fg); }
.os-tab.active { color: var(--fg); border-bottom-color: var(--fg); }
.os-panel { display: none; }
.os-panel.active { display: block; }

/* 11. Audio A/B widget ------------------------------------- */
.audio-compare {
  border: 1.5px solid var(--hair); border-radius: 10px;
  padding: 20px; margin: 20px 0; transition: border-color .15s;
}
@media (min-width: 769px) { .audio-compare { padding: 24px; } }
.audio-compare:hover { border-color: rgba(10, 10, 10, .3); }
.audio-compare-header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 0 16px; flex-wrap: wrap; }
.audio-compare-label { font-size: 15px; font-weight: 700; margin: 0; }
.audio-compare-preset { font-size: 13px; color: var(--muted); }
.audio-ab { display: flex; align-items: center; gap: 12px; }
.audio-play {
  width: 42px; height: 42px; border-radius: 50%;
  border: 2px solid var(--fg); background: transparent; color: var(--fg);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .12s, color .12s;
}
.audio-play:hover, .audio-play[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
.audio-play:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.audio-play svg { display: block; }
.audio-ab-toggle { display: flex; border: 1.5px solid var(--hair); border-radius: 6px; overflow: hidden; }
.audio-ab-toggle button {
  padding: 7px 14px; font: 13px/1 var(--sans); font-weight: 700;
  letter-spacing: .03em; text-transform: uppercase;
  border: none; background: transparent; color: var(--muted);
  cursor: pointer; transition: background .12s, color .12s;
}
.audio-ab-toggle button.active { background: var(--fg); color: var(--bg); }
.audio-ab-toggle button:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.audio-progress { flex: 1; height: 3px; background: var(--hair); border-radius: 2px; overflow: hidden; cursor: pointer; }
.audio-progress-fill { height: 100%; width: 0; background: var(--fg); border-radius: 2px; transition: width .1s linear; }
.audio-time { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 32px; text-align: right; }
.audio-progress-wrap { position: relative; flex: 1; height: 3px; }
.audio-marker { position: absolute; top: -6px; bottom: -6px; width: 1.5px; background: var(--fg); z-index: 1; }
.audio-marker-label { position: absolute; top: -20px; left: 50%; transform: translateX(-50%); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--fg); white-space: nowrap; }
.audio-compare-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 24px 0; }
@media (min-width: 769px) { .audio-compare-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); } }

/* 12. Scenario cards --------------------------------------- */
.scenario-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 28px 0; }
@media (min-width: 769px) { .scenario-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; } }
.scenario-card { border: 1.5px solid var(--hair); border-radius: 10px; padding: 24px; transition: border-color .15s; }
@media (min-width: 769px) { .scenario-card { padding: 28px; } }
.scenario-card:hover { border-color: rgba(10, 10, 10, .3); }
.scenario-card-title { font-size: 17px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 10px; }
.scenario-card-story { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--muted); line-height: 1.45; margin: 0 0 18px; }
.scenario-card-settings { font-size: 13px; color: var(--muted); margin: 0; padding: 14px 0 0; border-top: 1px solid var(--hair); line-height: 1.7; }
.scenario-card-settings strong { color: var(--fg); font-weight: 700; }
.scenario-card .audio-compare { border: none; border-radius: 0; padding: 14px 0 0; margin: 0; }
.scenario-card .audio-compare:hover { border-color: transparent; }

/* Inverted card variant — for highlighted / important items */
.card-inv .card-body { padding: 28px 20px 32px; }
.card-inv, .scenario-card-inv {
  background: var(--fg); color: var(--bg);
  border-color: var(--fg);
}
.card-inv:hover, .scenario-card-inv:hover { border-color: #333; }
.card-inv .card-excerpt,
.card-inv .scenario-card-story,
.scenario-card-inv .scenario-card-story { color: rgba(255, 255, 255, .6); }
.card-inv .card-title,
.card-inv .scenario-card-title,
.scenario-card-inv .scenario-card-title { color: var(--bg); }
.card-inv .scenario-card-settings,
.scenario-card-inv .scenario-card-settings { color: rgba(255, 255, 255, .5); border-top-color: rgba(255, 255, 255, .15); }
.card-inv .scenario-card-settings strong,
.scenario-card-inv .scenario-card-settings strong { color: var(--bg); }
.card-inv code, .scenario-card-inv code { background: rgba(255, 255, 255, .15); color: rgba(255, 255, 255, 1); }
.card-inv .audio-play, .scenario-card-inv .audio-play { border-color: var(--bg); color: var(--bg); }
.card-inv .audio-play:hover, .scenario-card-inv .audio-play:hover { background: var(--bg); color: var(--fg); }
.card-inv .audio-progress, .scenario-card-inv .audio-progress { background: rgba(255, 255, 255, .2); }
.card-inv .audio-progress-fill, .scenario-card-inv .audio-progress-fill { background: var(--bg); }
.card-inv .audio-time, .scenario-card-inv .audio-time { color: rgba(255, 255, 255, .5); }
.card-inv .audio-marker, .scenario-card-inv .audio-marker { background: var(--bg); }
.card-inv .audio-marker-label, .scenario-card-inv .audio-marker-label { color: var(--bg); }
.card-inv .audio-track-label, .scenario-card-inv .audio-track-label { color: rgba(255, 255, 255, .5); }

/* 13. Persona cards ---------------------------------------- */
.persona-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
@media (min-width: 769px) { .persona-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; } }
.persona-card { padding: 20px; border: 1.5px solid var(--hair); border-radius: 10px; transition: border-color .15s; }
.persona-card:hover { border-color: rgba(10, 10, 10, .3); }
.persona-card-label { font-size: 15px; font-weight: 700; margin: 0 0 6px; letter-spacing: -.01em; }
.persona-card-desc { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.45; }
.persona-card a { border-bottom: none; }

/* 14. Breadcrumbs ------------------------------------------ */
.breadcrumbs { font-size: 13px; color: var(--muted); margin: 0 0 28px; }
.breadcrumbs a { color: var(--muted); border-bottom: none; }
.breadcrumbs a:hover { color: var(--fg); }
.breadcrumbs-sep { margin: 0 6px; opacity: .4; }

/* 15. Forms ------------------------------------------------ */
.form-group { margin: 0 0 22px; }
.form-label { display: block; font-size: 13px; font-weight: 700; margin: 0 0 6px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 14px 16px;
  font: 16px/1.4 var(--sans); color: var(--fg);
  background: var(--bg); border: 1.5px solid var(--hair);
  border-radius: 8px; transition: border-color .15s; appearance: none;
}
@media (min-width: 769px) { .form-input, .form-textarea, .form-select { font-size: 15px; } }
.form-input:hover, .form-textarea:hover { border-color: rgba(10, 10, 10, .3); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--fg); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted); opacity: .6; }
.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 13px; color: var(--muted); margin: 6px 0 0; }
.form-check { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 12px; cursor: pointer; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--fg); cursor: pointer; flex-shrink: 0; }
.form-check-label { font-size: 15px; cursor: pointer; }
.form-hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* 16. Content typography ----------------------------------- */
.content h2 { margin: 56px 0 16px; }
.content h3 { margin: 32px 0 10px; }
.content p { margin: 0 0 18px; max-width: 62ch; line-height: 1.55; }
.content ul, .content ol { margin: 0 0 18px; padding: 0 0 0 22px; max-width: 62ch; }
.content li { margin: 6px 0; font-size: 15px; color: var(--muted); }
.content li strong { color: var(--fg); }
.content blockquote {
  margin: 28px 0; padding: 0 0 0 20px;
  border-left: 2px solid var(--fg);
  font-family: var(--serif); font-style: italic;
  font-size: clamp(18px, 2vw, 22px); color: var(--muted); line-height: 1.35;
}
.content pre {
  margin: 20px 0; padding: 20px;
  background: rgba(10, 10, 10, .03); border: 1px solid var(--hair);
  border-radius: 8px; overflow-x: auto; font-size: 13px; line-height: 1.6;
}
.content pre code { background: none; padding: 0; }

/* 17. Blog typography (smaller headings for content pages) -- */
.blog h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 0 0 16px;
}
.blog h2 {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.15;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--fg);
  margin: 28px 0 10px;
}
.blog h3 {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 32px 0 10px;
}
.blog .subhead {
  font-size: clamp(15px, 1.6vw, 19px);
  margin: 10px 0 0;
}
.blog p { margin: 0 0 10px; }
.blog section { padding: 28px 0 0; }
@media (min-width: 769px) { .blog section { padding: 40px 0 0; } }
.blog ul, .blog ol { margin: 0 0 10px; }

/* 18. Tables ------------------------------------------------ */
.info-table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 24px 0; }
.info-table th, .info-table td { padding: 12px 0; text-align: left; border-bottom: 1px solid var(--hair); vertical-align: top; }
.info-table th { font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); padding-right: 20px; white-space: nowrap; }
.info-table td { color: var(--muted); }
.info-table td strong { color: var(--fg); font-weight: 700; }
.info-table tr:last-child td, .info-table tr:last-child th { border-bottom: none; }

/* 18. Image & gallery -------------------------------------- */
.fig { margin: 32px 0; }
.fig img, .fig svg { display: block; width: 100%; height: auto; border-radius: 8px; }
.fig-caption { font-size: 13px; color: var(--muted); margin: 10px 0 0; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 24px 0; }
@media (min-width: 769px) { .gallery { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; } }
.gallery-item { cursor: pointer; border-radius: 8px; overflow: hidden; border: 1.5px solid var(--hair); transition: border-color .15s; }
.gallery-item:hover { border-color: rgba(10, 10, 10, .3); }
.gallery-item img { display: block; width: 100%; height: auto; }
.lightbox { display: none; position: fixed; inset: 0; z-index: 100; background: rgba(255, 255, 255, .97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); align-items: center; justify-content: center; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: 6px; }
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px; border: 2px solid var(--fg); border-radius: 50%;
  background: var(--bg); color: var(--fg); font-size: 20px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .12s, color .12s;
}
.lightbox-close:hover { background: var(--fg); color: var(--bg); }
.lightbox-close:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* 19. Signal flow ------------------------------------------ */
.signal-flow { display: flex; align-items: center; gap: 0; margin: 28px 0; overflow-x: auto; padding: 4px 0; }
.signal-node {
  padding: 10px 14px; border: 1.5px solid var(--fg); border-radius: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  white-space: nowrap; transition: background .12s, color .12s; cursor: default;
}
.signal-node:hover { background: var(--fg); color: var(--bg); }
.signal-arrow { width: 24px; display: flex; align-items: center; justify-content: center; color: var(--muted); flex-shrink: 0; font-size: 13px; }
@media (max-width: 600px) {
  .signal-flow { flex-direction: column; align-items: stretch; }
  .signal-node { text-align: center; }
  .signal-arrow { width: auto; height: 18px; }
}