:root {
  --font-display: 'General Sans', 'Satoshi', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.6vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.6rem + 4.4vw, 4.75rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-24: 6rem;

  --radius-md: 10px; --radius-lg: 16px; --radius-xl: 22px; --radius-full: 999px;

  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-tint: #f8fafc;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-faint: #64748b;
  --color-border: #e2e8f0;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-soft: #dbeafe;
  --color-primary-highlight: #eff6ff;
  --color-clear: #0f766e;
  --color-major: #b45309;
  --color-critical: #b91c1c;
  --color-dark: #0b1220;
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.10);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0b1220;
    --color-surface: #111a2e;
    --color-tint: #0e1628;
    --color-text: #e2e8f0;
    --color-text-muted: #a5b1c5;
    --color-text-faint: #8190a8;
    --color-border: #1f2b44;
    --color-primary: #60a5fa;
    --color-primary-hover: #93c5fd;
    --color-primary-soft: #1e3a6b;
    --color-primary-highlight: #12213d;
    --color-clear: #2dd4bf;
    --color-major: #fbbf24;
    --color-critical: #f87171;
    --color-dark: #060b16;
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--color-primary); }
section[id] { scroll-margin-top: 72px; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header__inner {
  max-width: 1120px; margin: 0 auto; padding: var(--space-3) var(--space-6);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-text); text-decoration: none; }
.brand__mark { width: 26px; height: 26px; color: var(--color-primary); }
.brand__word { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand__dot { color: var(--color-primary); }
.nav { display: flex; gap: var(--space-6); }
.nav a { color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); font-weight: 500; }
.nav a:hover { color: var(--color-text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; text-decoration: none;
  border-radius: var(--radius-full); border: 1px solid transparent;
  padding: 0.7rem 1.3rem; font-size: var(--text-sm); transition: background 0.15s, border-color 0.15s;
}
.btn--sm { padding: 0.55rem 1rem; }
.btn--lg { padding: 0.9rem 1.6rem; font-size: var(--text-base); }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); background: var(--color-surface); }
.btn--ghost:hover { border-color: var(--color-primary); }
.btn--light { background: #fff; color: #0b1220; }
.btn--light:hover { background: var(--color-primary-soft); }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }

/* Shared */
.eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section { padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6); }
.section--tint { background: var(--color-tint); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section__inner { max-width: 1120px; margin: 0 auto; }
.section__inner--narrow { max-width: 760px; }
.section__title {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.03em;
  font-size: var(--text-2xl); line-height: 1.08; max-width: 24ch;
}
.section__lead { margin-top: var(--space-5); max-width: 62ch; color: var(--color-text-muted); font-size: var(--text-lg); line-height: 1.5; }
.fine { margin-top: var(--space-6); max-width: 78ch; font-size: var(--text-xs); color: var(--color-text-faint); }

/* Hero */
.hero { padding: clamp(var(--space-12), 7vw, var(--space-24)) var(--space-6) clamp(var(--space-12), 6vw, var(--space-24)); position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto auto; width: 60%; height: 90%;
  background: radial-gradient(closest-side, var(--color-primary-highlight), transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-12); align-items: center; }
.hero__title {
  font-family: var(--font-serif); font-weight: 600; letter-spacing: -0.02em;
  font-size: var(--text-hero); line-height: 1.04; max-width: 13ch;
}
.hero__title em, .cta__title em { font-style: italic; font-weight: 500; }
.hero__sub { margin-top: var(--space-6); max-width: 52ch; font-size: var(--text-lg); line-height: 1.5; color: var(--color-text-muted); }
.hero__cta { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }

.deliver {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); overflow: hidden;
}
.deliver__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); background: var(--color-tint); }
.deliver__title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); }
.deliver__badge { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-faint); }
.deliver__steps { padding: var(--space-5); display: grid; gap: var(--space-5); position: relative; }
.deliver__step { display: grid; grid-template-columns: 22px 1fr; gap: var(--space-3); position: relative; }
.deliver__step:not(:last-child)::after {
  content: ''; position: absolute; left: 10px; top: 24px; bottom: -20px; width: 2px; background: var(--color-border);
}
.deliver__tick { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--color-border); background: var(--color-surface); margin-top: 2px; position: relative; z-index: 1; }
.is-done .deliver__tick { background: var(--color-clear); border-color: var(--color-clear); }
.is-done .deliver__tick::after { content: ''; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.is-now .deliver__tick { border-color: var(--color-primary); background: var(--color-primary-soft); box-shadow: 0 0 0 4px var(--color-primary-highlight); }
.deliver__step strong { display: block; font-family: var(--font-display); font-size: var(--text-sm); }
.deliver__step span { display: block; font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.45; }

/* Quotes */
.quote-group { margin-top: var(--space-10); display: grid; gap: var(--space-4); }
.quote { padding: var(--space-8) var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); text-align: center; }
.quote__text { font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl); line-height: 1.3; letter-spacing: -0.015em; max-width: 34ch; margin: 0 auto; }
.quote__attribution { margin-top: var(--space-4); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-faint); }
.quote__attribution a { color: var(--color-primary); }
.quote-group__note { margin: var(--space-2) auto 0; max-width: 68ch; font-size: var(--text-sm); color: var(--color-text-muted); text-align: center; }
.thesis { margin: var(--space-10) auto 0; max-width: 30ch; text-align: center; font-family: var(--font-serif); font-style: italic; font-size: var(--text-xl); line-height: 1.3; color: var(--color-primary); }

/* Services */
.services { margin-top: var(--space-10); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.service { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); box-shadow: var(--shadow-md); }
.service__tag { align-self: flex-start; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); background: var(--color-primary-highlight); border: 1px solid var(--color-primary-soft); padding: 0.2rem 0.65rem; border-radius: var(--radius-full); }
.service__title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: -0.02em; line-height: 1.15; }
.service__body { color: var(--color-text-muted); }
.service__list { display: grid; gap: var(--space-2); }
.service__list li { position: relative; padding-left: var(--space-5); font-size: var(--text-sm); color: var(--color-text-muted); }
.service__list strong { color: var(--color-text); font-weight: 600; }
.service__list li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); }
.service__out { margin-top: auto; padding-top: var(--space-4); border-top: 1px solid var(--color-border); font-size: var(--text-sm); }
.service__out span { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: 2px; }

/* Steps */
.steps { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.step { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--color-primary); color: #fff; font-family: var(--font-mono); font-size: var(--text-sm); }
.step__title { margin-top: var(--space-4); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); }
.step__body { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }

.split { margin-top: var(--space-8); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.split__col { padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-surface); border: 1px solid var(--color-border); }
.split__col--limits { border-style: dashed; background: transparent; }
.split__title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); margin-bottom: var(--space-3); }
.split__col ul { display: grid; gap: var(--space-2); }
.split__col li { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: var(--space-4); position: relative; }
.split__col li::before { content: ''; position: absolute; left: 0; top: 0.65em; width: 6px; height: 2px; background: var(--color-text-faint); }

/* Gap cards */
.gaps { margin-top: var(--space-10); display: grid; gap: var(--space-5); }
.gap { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6) var(--space-8); box-shadow: var(--shadow-md); }
.gap__tags { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-3); }
.pill { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); border: 1px solid currentColor; }
.pill--critical { color: var(--color-critical); }
.pill--major { color: var(--color-major); }
.pill--domain { color: var(--color-text-muted); border-color: var(--color-border); background: var(--color-tint); }
.gap__title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); line-height: 1.3; letter-spacing: -0.01em; max-width: 60ch; }
.gap__facts { margin-top: var(--space-5); display: grid; gap: var(--space-3); }
.gap__facts div { display: grid; grid-template-columns: 170px 1fr; gap: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.gap__facts dt { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); padding-top: 3px; }
.gap__facts dd { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Trio + trust */
.trio { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-5); }
.trio__item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.trio__item h3, .trust__item h3 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); letter-spacing: -0.01em; }
.trio__item p, .trust__item p { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
.trust { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.trust__item { padding: var(--space-6); border-top: 2px solid var(--color-primary); background: var(--color-tint); border-radius: 0 0 var(--radius-md) var(--radius-md); }

/* FAQ */
.faq { margin-top: var(--space-8); border-top: 1px solid var(--color-border); }
.faq__item { border-bottom: 1px solid var(--color-border); padding: var(--space-4) 0; }
.faq__item summary { cursor: pointer; font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); list-style: none; display: flex; justify-content: space-between; gap: var(--space-4); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: '+'; font-family: var(--font-mono); color: var(--color-primary); }
.faq__item[open] summary::after { content: '\2212'; }
.faq__item p { margin-top: var(--space-3); color: var(--color-text-muted); max-width: 64ch; }

/* CTA + footer */
.cta { background: var(--color-dark); color: #f1f5f9; padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6); text-align: center; }
.cta__inner { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: var(--space-6); }
.cta__title { font-family: var(--font-serif); font-weight: 600; font-size: var(--text-2xl); line-height: 1.06; letter-spacing: -0.02em; }
.cta__sub { color: #b6c2d6; font-size: var(--text-lg); line-height: 1.5; max-width: 50ch; }
.footer { background: var(--color-bg); border-top: 1px solid var(--color-border); padding: var(--space-8) var(--space-6); }
.footer__inner { max-width: 1120px; margin: 0 auto; display: flex; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }
.footer__brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.footer__note { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); max-width: 46ch; }
.footer__contact { display: flex; flex-direction: column; gap: 2px; font-size: var(--text-sm); color: var(--color-text-muted); text-align: right; }

/* Responsive */
@media (max-width: 960px) {
  .nav { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero__title { max-width: 14ch; }
  .services, .split, .trio, .trust { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header__inner { padding: var(--space-3) var(--space-4); }
  .section, .hero, .cta { padding-left: var(--space-4); padding-right: var(--space-4); }
  .steps { grid-template-columns: 1fr; }
  .gap { padding: var(--space-5); }
  .gap__facts div { grid-template-columns: 1fr; gap: 2px; }
  .service { padding: var(--space-6); }
  .footer__contact { text-align: left; }
  .quote { padding: var(--space-6) var(--space-4); }
}

/* Trace figure */
.trace-sec { padding-top: clamp(var(--space-12), 6vw, var(--space-16)); }
.trace { margin-top: var(--space-10); display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: var(--space-4); align-items: stretch; }
.trace__col { display: flex; flex-direction: column; gap: var(--space-3); }
.trace__label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); }
.trace__arrow { align-self: center; width: 40px; color: var(--color-primary); }
.trace__arrow svg { width: 100%; height: auto; display: block; }
.docmock, .mini { flex: 1; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-md); }
.docmock { display: flex; flex-direction: column; gap: 11px; }
.docmock__head { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border); }
.docmock__line { display: block; height: 9px; border-radius: 5px; background: var(--color-border); }
.docmock__line--hit { background: color-mix(in oklab, var(--color-critical) 28%, transparent); outline: 2px solid var(--color-critical); outline-offset: 3px; }
.mini { display: flex; flex-direction: column; gap: var(--space-3); }
.mini--ok { border-color: color-mix(in oklab, var(--color-clear) 55%, var(--color-border)); }
.mini__tags { display: flex; gap: var(--space-2); }
.mini__title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); line-height: 1.3; }
.mini__src { font-size: var(--text-sm); color: var(--color-text-muted); }
.mini__src span { display: block; font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); }
.mini__ok { display: flex; align-items: center; gap: var(--space-2); color: var(--color-clear); font-weight: 600; font-size: var(--text-sm); }
.mini__ok svg { width: 20px; height: 20px; }

/* Service images */

/* Stages */
.stages { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); position: relative; padding-top: var(--space-6); }
.stages::before { content: ''; position: absolute; top: 9px; left: 10px; right: 10px; height: 2px; background: var(--color-primary-soft); }
.stage { position: relative; display: flex; flex-direction: column; gap: var(--space-3); }
.stage .stage__card { flex: 1; }
.stage__dot { position: absolute; top: calc(-1 * var(--space-6) + 0px); left: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--color-primary); border: 4px solid var(--color-tint); box-shadow: 0 0 0 2px var(--color-primary); }
.stage__name { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); margin-top: var(--space-2); }
.stage__card, .stages__span { display: flex; flex-direction: column; gap: 2px; padding: var(--space-5); border: 1.5px dashed var(--color-primary); border-radius: var(--radius-lg); background: var(--color-surface); }
.stage__card strong, .stages__span strong { font-family: var(--font-display); font-size: var(--text-base); }
.stage__card span, .stages__span span { font-size: var(--text-sm); color: var(--color-text-muted); }
.stages__span { margin-top: var(--space-5); flex-direction: row; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; }
.stages__span--strategy { background: var(--color-primary); border-style: solid; border-color: var(--color-primary); }
.stages__span--strategy strong, .stages__span--strategy span { color: #fff; }

.stages__valid { margin-top: var(--space-8); }
.stages__valid-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); margin-bottom: var(--space-3); }
.stages__valid-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.stages__valid-row .stage__card { border-color: var(--color-clear); }
@media (max-width: 960px) { .stages__valid-row { grid-template-columns: 1fr; } }

/* Dark how-it-works */
.section--dark { background: var(--color-dark); color: #e2e8f0; border: 0; }
.section--dark .eyebrow { color: #93c5fd; }
.section--dark .section__title { color: #fff; }
.section--dark .step, .section--dark .split__col { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.14); }
.section--dark .split__col--limits { background: transparent; }
.section--dark .step__title, .section--dark .split__title { color: #fff; }
.section--dark .step__body, .section--dark .split__col li { color: #b6c2d6; }
.section--dark .split__col li::before { background: #93c5fd; }
.section--dark .step__num { background: transparent; width: auto; height: auto; border-radius: 0; color: #93c5fd; font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; margin-left: var(--space-3); }
.step__icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-md); background: rgba(96,165,250,0.16); color: #93c5fd; vertical-align: middle; }
.step__icon svg { width: 22px; height: 22px; }

/* Trust icons + sources */
.trust__icon { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: var(--radius-md); background: var(--color-primary-highlight); color: var(--color-primary); margin-bottom: var(--space-3); }
.trust__icon svg { width: 21px; height: 21px; }
.sources { margin-top: var(--space-8); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.sources__label { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); margin-right: var(--space-2); }
.chip { font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); padding: 0.35rem 0.8rem; border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-muted); }

@media (max-width: 960px) {
  .trace { grid-template-columns: 1fr; }
  .trace__arrow { transform: rotate(90deg); width: 32px; justify-self: center; }
  .stages { grid-template-columns: 1fr; padding-top: 0; padding-left: var(--space-8); }
  .stages::before { top: 10px; bottom: 10px; left: 9px; right: auto; width: 2px; height: auto; }
  .stage__dot { top: 4px; left: calc(-1 * var(--space-8)); }
}
@media (max-width: 640px) {
}


/* ===== Flow v2 (follows weave.bio order) ===== */
.header { background: var(--color-dark); border-bottom: 1px solid rgba(255,255,255,0.10); backdrop-filter: none; }
.header__inner { display: grid; grid-template-columns: 1fr auto 1fr; }
.header .brand { color: #fff; justify-self: center; }
.header .brand__mark, .header .brand__dot { color: #60a5fa; }
.header .nav a { color: #b6c2d6; }
.header .nav a:hover { color: #fff; }
.header__cta { justify-self: end; }
.btn--outline { border-color: rgba(255,255,255,0.35); color: #fff; background: transparent; }
.btn--outline:hover { border-color: #fff; }

.hero--dark { background: var(--color-dark); color: #e2e8f0; padding: clamp(var(--space-12), 7vw, var(--space-24)) var(--space-6) clamp(var(--space-12), 6vw, var(--space-24)); overflow: hidden; }
.hero--dark::before { display: none; }
.hero__center { max-width: 860px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero--dark .eyebrow { color: #93c5fd; }
.hero--dark .hero__title { color: #fff; max-width: 16ch; }
.hero--dark .hero__sub { color: #b6c2d6; margin-left: auto; margin-right: auto; }
.hero--dark .hero__cta { justify-content: center; }
.hero__stage { max-width: 1120px; margin: var(--space-16) auto 0; padding: var(--space-5); border-radius: var(--radius-xl); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14); }
.hero__stage-bar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; padding: 0 var(--space-2) var(--space-4); font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: #e2e8f0; }
.hero__stage .deliver__badge { color: #93a3bd; }
.hero__stage .trace { margin-top: 0; }
.hero__stage .trace__label { color: #93a3bd; }
.hero__stage .trace__arrow { color: #93c5fd; }
.hero__stage .docmock, .hero__stage .mini { color: var(--color-text); }

.statement { padding: clamp(var(--space-16), 9vw, 7rem) var(--space-6); text-align: center; background: var(--color-bg); }
.statement__inner { max-width: 880px; margin: 0 auto; }
.statement__text { font-family: var(--font-serif); font-weight: 600; font-size: var(--text-2xl); line-height: 1.12; letter-spacing: -0.02em; }
.statement__text em { color: var(--color-primary); font-weight: 500; }

.track-title { margin-top: var(--space-12); font-family: var(--font-mono); font-weight: 500; font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-faint); }
.track-title + .stages { margin-top: var(--space-5); }
.stage__dot--clear { background: var(--color-clear); box-shadow: 0 0 0 2px var(--color-clear); }
.stage__card--clear { border-color: var(--color-clear); }
.stages__span--strategy { margin-top: var(--space-10); }
h4.stage__name { margin: 0; }

.audience { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.audience__card { padding: var(--space-6); border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.04); display: flex; flex-direction: column; gap: var(--space-3); }
.audience__card h3 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: #fff; }
.audience__card p { font-size: var(--text-sm); color: #b6c2d6; }
.audience__card ul { display: grid; gap: var(--space-2); margin-top: var(--space-2); }
.audience__card li { font-size: var(--text-sm); color: #e2e8f0; background: rgba(255,255,255,0.07); border-radius: var(--radius-md); padding: 0.55rem 0.8rem; }

.panels { margin-top: var(--space-10); display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--color-border); }
.panel { padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-5); }
.panel--dark { background: var(--color-dark); color: #e2e8f0; }
.panel--accent { background: var(--color-primary-soft); color: var(--color-text); }
.panel__title { font-family: var(--font-serif); font-weight: 600; font-size: var(--text-xl); letter-spacing: -0.01em; }
.panel--dark .panel__title { color: #fff; }
.panel__list { display: grid; gap: var(--space-5); }
.panel__list li { padding-top: var(--space-4); border-top: 1px solid currentColor; border-top-color: color-mix(in oklab, currentColor 22%, transparent); }
.panel__list strong { display: block; font-family: var(--font-display); font-size: var(--text-base); }
.panel__list span { display: block; margin-top: 4px; font-size: var(--text-sm); opacity: 0.82; }

@media (max-width: 960px) {
  .header__inner { display: flex; }
  .header .brand { justify-self: auto; }
  .audience, .panels { grid-template-columns: 1fr; }
}


/* Value tiles */
.tiles { margin-top: var(--space-10); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.tile { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-dark); color: #b6c2d6; border: 1px solid rgba(255,255,255,0.10); }
.tile__word { font-family: var(--font-serif); font-weight: 600; font-size: var(--text-xl); letter-spacing: -0.02em; line-height: 1.05; color: #93c5fd; }
.tile p { font-size: var(--text-sm); line-height: 1.55; }
.tile a { color: #bfdbfe; }
.tile--accent { background: var(--color-primary); color: #eaf1ff; }
.tile--accent .tile__word { color: #fff; }
.tile--accent a { color: #fff; }
@media (max-width: 1100px) { .tiles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .tiles { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.header .nav { gap: var(--space-5); white-space: nowrap; }

.tile__stat { font-family: var(--font-serif); font-weight: 600; font-size: clamp(2rem, 1.4rem + 1.6vw, 2.75rem); line-height: 1; letter-spacing: -0.03em; color: #fff; }
.tile__cap { font-size: var(--text-sm); line-height: 1.5; }
.tile__how { margin-top: auto; padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,0.18); font-size: var(--text-sm); color: #e2e8f0; }
.tile__how strong { color: #93c5fd; font-weight: 600; }
.tile--accent .tile__how { border-top-color: rgba(255,255,255,0.35); color: #fff; }
.tile--accent .tile__how strong { color: #fff; }
.tile .tile__word { font-size: var(--text-lg); }
@media (min-width: 1101px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.tile p.tile__stat { font-size: clamp(2.25rem, 1.6rem + 1.8vw, 3rem); line-height: 1; margin-top: var(--space-1); }
.tile p.tile__how { font-size: var(--text-sm); }

.tile p.tile__stat { font-size: clamp(1.75rem, 1.3rem + 1vw, 2.25rem); line-height: 1.05; }
.ref { font-size: 0.7em; line-height: 0; }
.ref a { text-decoration: none; padding: 0 1px; }
.srclist { margin-top: var(--space-10); padding-top: var(--space-6); border-top: 1px solid var(--color-border); }
.srclist__title { font-family: var(--font-mono); font-weight: 500; font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.srclist ol { list-style: decimal; padding-left: 1.4rem; display: grid; gap: var(--space-2); }
.srclist li { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 110ch; scroll-margin-top: 90px; }
.srclist li:target { background: var(--color-primary-highlight); }

.hero__stage--shot { max-width: 1000px; margin-inline: auto; }
.hero__stage--shot .shot { display: block; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid rgba(255,255,255,0.14); box-shadow: 0 30px 80px rgba(0,0,0,0.45); }
.hero__stage--shot img { display: block; width: 100%; height: auto; }
.shot__cap { margin-top: var(--space-4); padding: 0 var(--space-2); font-size: var(--text-xs); color: #93a3bd; max-width: 80ch; }
.shot__cap a { color: #93c5fd; text-decoration: underline; }

.prodshot { margin: var(--space-6) 0 0; }
.prodshot__frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: 0 18px 50px rgba(15,23,42,0.12); background: #fff; }
.prodshot__frame img { display: block; width: 100%; height: auto; }
.prodshot__cap { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--color-text-muted); }
.prodshot--dark { max-width: 880px; margin-inline: auto; }

#value .tile { min-height: 0; }
#value .tile p.tile__stat { font-size: clamp(2.25rem, 1.6rem + 1.6vw, 3.25rem); margin: var(--space-4) 0 var(--space-3); }
#value .tile p.tile__cap { font-size: var(--text-sm); }