/* Singularity Foundry · SF/CIA — sitio institucional v2.0
   Capa de layout y piezas del sitio. Cargar después de fonts.css, tokens.css y sfcia.css.
   Todo el color sale de los roles de tokens.css; nunca de hex sueltos.
   Concepto: documento de inteligencia en pantalla. Superficie Intelligence Black, filetes finos,
   metadatos en mono, un solo acento rojo por vista. La información emerge en capas: señal, relación, conclusión. */

:root {
  --header-h: 64px;
  --gutter: var(--grid-gutter);
  --pad-x: var(--page-margin);
  --section-y: 112px;
  --title-xl: clamp(36px, 4.4vw, 60px);
  --title-lg: clamp(28px, 3.1vw, 44px);
  --title-md: clamp(22px, 2vw, 28px);
}
@media (max-width: 1024px) { :root { --pad-x: 24px; --section-y: 88px; } }
@media (max-width: 560px)  { :root { --pad-x: 16px; --section-y: 64px; --header-h: 56px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; background: var(--surface); }
body { min-height: 100vh; text-rendering: optimizeLegibility; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--surface); }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
ul, ol { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid transparent; box-shadow: var(--focus-ring); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { border-radius: var(--radius-2); }
::selection { background: var(--signal); color: var(--pure-white); }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--ink-muted); }
.tabular { font-variant-numeric: tabular-nums; }

.wrap {
  width: 100%;
  max-width: calc(var(--content-max) + 2 * var(--pad-x));
  margin-inline: auto;
  padding-left: max(var(--pad-x), env(safe-area-inset-left, 0px));
  padding-right: max(var(--pad-x), env(safe-area-inset-right, 0px));
}
.site-main { overflow-x: clip; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 100; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); color: var(--ink); padding: var(--space-8) var(--space-16); box-shadow: var(--focus-ring); }

/* ---------------------------------------------------------------- Type */
.title-xl { font-family: var(--font-display); font-size: var(--title-xl); line-height: 1.04; font-weight: 800; letter-spacing: -0.022em; font-variation-settings: 'opsz' 32; }
.title-lg { font-family: var(--font-display); font-size: var(--title-lg); line-height: 1.1; font-weight: 750; letter-spacing: -0.018em; font-variation-settings: 'opsz' 32; }
.title-md { font-family: var(--font-display); font-size: var(--title-md); line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; font-variation-settings: 'opsz' 28; }
.em { color: var(--signal); }
.lead { color: var(--ink-muted); }
.lead strong, .body strong { color: var(--ink); font-weight: 600; }
.lead-ink { color: var(--ink); }
.prose { display: grid; gap: var(--space-16); max-width: var(--measure); }
.prose p { color: var(--ink-muted); }
.prose strong { color: var(--ink); font-weight: 600; }
.meta { font-family: var(--font-mono); font-size: 11px; line-height: 16px; font-weight: 500; letter-spacing: 0.02em; color: var(--ink-muted); text-transform: uppercase; }
.note { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.kicker { font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal-text); }

/* ------------------------------------------------------------- Buttons */
.sf-btn .sf-icon { flex: none; }
.sf-btn-primary .sf-icon, .sf-btn-secondary .sf-icon { transition: transform var(--duration-fast) var(--ease-standard); }
.sf-btn-primary:hover .sf-icon, .sf-btn-secondary:hover .sf-icon { transform: translateX(3px); }
.sf-btn-sm { height: 36px; padding: 0 14px; font-size: 11px; }
.text-link { display: inline-flex; align-items: center; gap: var(--space-8); font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--ink); padding-block: 6px; border-bottom: 1px solid var(--line-strong); transition: border-color var(--duration-fast) var(--ease-standard); }
.text-link .sf-icon { color: var(--signal-text); transition: transform var(--duration-fast) var(--ease-standard); }
.text-link:hover { border-color: var(--ink); }
.text-link:hover .sf-icon { transform: translateX(3px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-16) var(--space-24); }
.icon-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-2); background: transparent; color: var(--ink); cursor: pointer; transition: border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard); }
.icon-btn:hover { border-color: var(--line-strong); background: var(--surface-raised); }

/* -------------------------------------------------------------- Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--surface); transition: transform var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard); }
.site-header.is-scrolled { box-shadow: inset 0 -1px 0 var(--line); }
.site-header.is-hidden { transform: translateY(-110%); }
.header-bar { display: flex; align-items: center; gap: var(--space-32); height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); flex: none; padding-block: var(--space-8); }
.brand .sf-nav-brand { font-size: 17px; letter-spacing: 0.03em; }
.brand-sub { font-family: var(--font-mono); font-size: 11px; line-height: 16px; color: var(--ink-muted); letter-spacing: 0.02em; padding-left: var(--space-16); border-left: 1px solid var(--line); }
@media (max-width: 1180px) { .brand-sub { display: none; } }
.nav-primary { margin-left: auto; }
.nav-primary > ul { display: flex; align-items: center; gap: var(--space-4) var(--space-24); list-style: none; margin: 0; padding: 0; }
.nav-primary .sf-nav-link { display: inline-flex; align-items: center; gap: 4px; padding-block: 22px; }
.nav-primary .sf-nav-link[aria-current="page"]::after { bottom: 14px; }
.nav-primary .sf-nav-link .sf-icon { transition: transform var(--duration-fast) var(--ease-standard); }
.header-actions { display: flex; align-items: center; gap: var(--space-8); }
.menu-btn { display: none; }
.scroll-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--signal); transform-origin: 0 50%; transform: scaleX(var(--progress, 0)); pointer-events: none; }

.has-mega { position: relative; }
.has-mega:hover > .sf-nav-link .sf-icon, .has-mega:focus-within > .sf-nav-link .sf-icon { transform: rotate(180deg); }
.mega { position: absolute; top: calc(100% - 6px); left: -24px; width: 600px; padding: var(--space-8); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; background: var(--surface-raised); border-radius: var(--radius-6); box-shadow: var(--shadow-float); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard), visibility 0s linear var(--duration-fast); }
.has-mega:hover > .mega, .has-mega:focus-within > .mega { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mega a { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 2px var(--space-16); padding: var(--space-16); border-radius: var(--radius-2); text-decoration: none; color: var(--ink); transition: background-color var(--duration-fast) var(--ease-standard); }
.mega a:hover { background: var(--surface); }
.mega a .sf-icon { grid-row: span 2; color: var(--ink-muted); margin-top: 2px; }
.mega a:hover .sf-icon { color: var(--signal); }
.mega b { font-size: 14px; line-height: 20px; font-weight: 600; }
.mega small { font-size: 13px; line-height: 18px; color: var(--ink-muted); }
.mega .mega-tier { grid-column: 1 / -1; padding: var(--space-8) var(--space-16) 0; }
.mega .mega-all { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); border-radius: 0 0 var(--radius-2) var(--radius-2); margin-top: var(--space-4); }

@media (max-width: 1024px) {
  .nav-primary, .header-actions .header-cta { display: none; }
  .header-actions { margin-left: auto; }
  .menu-btn { display: inline-grid; }
}

.mobile-panel { position: fixed; z-index: 45; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0; background: var(--surface); overflow-y: auto; overscroll-behavior: contain; padding-bottom: max(24px, env(safe-area-inset-bottom, 0px)); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard), visibility 0s linear var(--duration-base); border-top: 1px solid var(--line); }
.mobile-panel.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mobile-panel nav > ul { list-style: none; margin: 0; padding: var(--space-16) 0 0; }
.mobile-panel nav > ul > li { border-bottom: 1px solid var(--line); }
.mobile-panel nav > ul > li > a { display: flex; align-items: center; justify-content: space-between; padding: var(--space-16) 0; font-size: 24px; line-height: 32px; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; }
.mobile-panel nav > ul > li > a[aria-current="page"] { color: var(--signal-text); }
.mobile-panel nav > ul > li > a .sf-icon { color: var(--ink-muted); }
.mobile-sub { list-style: none; margin: 0 0 var(--space-16); padding: 0 0 0 var(--space-16); border-left: 1px solid var(--line); display: grid; gap: 2px; }
.mobile-sub a { display: block; padding: 8px 0; font-size: 15px; line-height: 22px; color: var(--ink-muted); text-decoration: none; }
.mobile-sub a:hover, .mobile-sub a[aria-current="page"] { color: var(--ink); }
.mobile-panel-foot { display: grid; gap: var(--space-16); padding-top: var(--space-32); }
.mobile-panel-foot .sf-btn { width: 100%; }
.mobile-theme { display: flex; align-items: center; justify-content: space-between; gap: var(--space-16); }
body.menu-open { overflow: hidden; }

/* --------------------------------------------------------- Section rail */
.rail { position: fixed; z-index: 30; left: max(20px, env(safe-area-inset-left, 0px)); top: 50%; transform: translateY(-50%); display: none; }
.rail ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.rail a { display: flex; align-items: center; gap: 10px; height: 22px; text-decoration: none; color: var(--ink-muted); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; }
.rail a::before { content: ""; width: 12px; height: 1px; background: var(--line-strong); transition: width var(--duration-base) var(--ease-standard), background-color var(--duration-base) var(--ease-standard); }
.rail a span { opacity: 0; transform: translateX(-4px); transition: opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard); white-space: nowrap; text-transform: uppercase; }
.rail a .rail-n { opacity: 1; transform: none; }
.rail a[aria-current="true"] { color: var(--ink); }
.rail a[aria-current="true"]::before { width: 24px; background: var(--signal); }
.rail a[aria-current="true"] span, .rail:hover a span, .rail a:focus-visible span { opacity: 1; transform: none; }
@media (min-width: 1440px) { .rail { display: block; } }

/* ---------------------------------------------------------------- Hero */
.hero { position: relative; isolation: isolate; overflow: hidden; padding-top: clamp(40px, 7vh, 88px); }
.hero-field { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; display: block; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.16) 42%, #000 64%); mask-image: linear-gradient(90deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.16) 42%, #000 64%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-48); align-items: center; min-height: clamp(480px, 66vh, 700px); }
.hero-copy { display: grid; gap: var(--space-24); align-content: center; }
.hero-statement { margin: 0; font-size: clamp(42px, 6.1vw, 86px); line-height: 0.95; letter-spacing: -0.028em; }
.hero-statement .line { display: block; }
.hero-statement .em { color: var(--signal); }
.hero-copy .lead { max-width: 52ch; font-size: 18px; line-height: 28px; }
.hero-copy .hero-sub { max-width: 56ch; font-size: 14px; line-height: 20px; color: var(--ink-muted); padding-left: var(--space-16); border-left: 2px solid var(--line-strong); }
.hero-copy .actions { margin-top: var(--space-8); }
/* La firma vive dentro de su área de protección (1x ≈ 22% del ancho). Nada entra en ese margen. */
.hero-mark { position: relative; justify-self: end; display: grid; place-items: center; }
.hero-mark .sf-frame { padding: 80px; background: var(--surface); }
.hero-mark img { width: 360px; max-width: none; }
.hero-hex { position: absolute; left: 50%; top: 50%; width: 600px; height: 690px; transform: translate(-50%, -50%); z-index: -1; pointer-events: none; overflow: visible; }
.hero-hex polygon { fill: none; stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.hero-hex .hx-2 { stroke-dasharray: 2 6; }
.hero-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8) var(--space-24); margin-top: clamp(40px, 6vh, 72px); padding-block: var(--space-16); border-top: 1px solid var(--line); }
.hero-foot .meta b { color: var(--ink); font-weight: 600; }
.hero-foot .scroll-cue { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.hero-foot .scroll-cue .sf-icon { color: var(--signal-text); }
@media (max-width: 1100px) { .hero-mark .sf-frame { padding: 66px; } .hero-mark img { width: 300px; } .hero-hex { width: 500px; height: 575px; } }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); min-height: 0; gap: var(--space-16); }
  .hero-mark { justify-self: stretch; justify-items: start; background: var(--surface); margin-inline: calc(-1 * var(--pad-x)); padding-inline: var(--pad-x); }
  .hero-mark .sf-frame { padding: 66px 0; background: transparent; }
  .hero-mark .sf-frame-corner, .hero-hex { display: none; }
  .hero-field { -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.45) 70%); mask-image: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.45) 70%); }
}
@media (max-width: 400px) { .hero-statement { font-size: 38px; } .hero-foot .meta:nth-child(2) { display: none; } }

/* Hero intro: capas que emergen. Solo con JS y sin reducción de movimiento. */
.js .hero[data-intro] .hero-statement .line, .js .hero[data-intro] .hero-copy > :not(h1), .js .hero[data-intro] .hero-mark { opacity: 0; transform: translateY(14px); }
.js .hero.is-ready .hero-statement .line, .js .hero.is-ready .hero-copy > :not(h1), .js .hero.is-ready .hero-mark { opacity: 1; transform: none; transition: opacity var(--duration-slow) var(--ease-standard), transform var(--duration-slow) var(--ease-standard); }
.js .hero.is-ready .hero-statement .line:nth-child(2) { transition-delay: 90ms; }
.js .hero.is-ready .hero-statement .line:nth-child(3) { transition-delay: 180ms; }
.js .hero.is-ready .hero-copy > :nth-child(1) { transition-delay: 0ms; }
.js .hero.is-ready .hero-copy > :nth-child(3) { transition-delay: 300ms; }
.js .hero.is-ready .hero-copy > :nth-child(4) { transition-delay: 380ms; }
.js .hero.is-ready .hero-copy > :nth-child(5) { transition-delay: 460ms; }
.js .hero.is-ready .hero-mark { transition-delay: 240ms; }

/* ------------------------------------------------------------ Sections */
.section { position: relative; padding-block: var(--section-y); }
.section--raised { background: var(--surface-raised); }
.section--rule { border-top: 1px solid var(--line); }
.section--tight { padding-block: calc(var(--section-y) * 0.72); }
.section-head { display: grid; gap: var(--space-16); max-width: 820px; margin-bottom: var(--space-64); }
.section-head .lead { max-width: 62ch; }
.section-head--split { max-width: none; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--space-64); row-gap: var(--space-16); align-items: start; }
.section-head--split > .sf-eyebrow { grid-column: 1 / -1; }
.section-head--split > :nth-child(3) { padding-top: 8px; }
@media (max-width: 900px) { .section-head--split { grid-template-columns: minmax(0, 1fr); } .section-head { margin-bottom: var(--space-48); } }
.split { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-64); align-items: start; }
.split--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.split--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--center { align-items: center; }
@media (max-width: 900px) { .split, .split--5-7, .split--7-5 { grid-template-columns: minmax(0, 1fr); gap: var(--space-40, 40px); } }
.stack-8 { display: grid; gap: var(--space-8); align-content: start; }
.stack-16 { display: grid; gap: var(--space-16); align-content: start; }
.stack-24 { display: grid; gap: var(--space-24); align-content: start; }
.stack-32 { display: grid; gap: var(--space-32); align-content: start; }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }
.mt-48 { margin-top: var(--space-48); }
.mt-64 { margin-top: var(--space-64); }

/* Reveal: el contenido es visible sin JS; con JS emerge en capas al entrar en pantalla. */
.js [data-reveal] { opacity: 0; transform: translateY(16px); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity var(--duration-slow) var(--ease-standard), transform var(--duration-slow) var(--ease-standard); transition-delay: calc(var(--i, 0) * 70ms); }

/* --------------------------------------------------------- Definition */
.definition { padding-block: calc(var(--section-y) * 0.9); }
.definition-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--space-48); }
.definition-text { font-family: var(--font-display); font-size: clamp(24px, 2.7vw, 38px); line-height: 1.24; font-weight: 600; letter-spacing: -0.015em; font-variation-settings: 'opsz' 32; color: var(--ink); text-wrap: pretty; }
.js .definition-text .w { color: var(--data-3); transition: color var(--duration-fast) linear; }
.js .definition-text .w.on { color: var(--ink); }
.js .definition-text .w.on.k { color: var(--signal); }
.definition-text .k { color: var(--signal); }
.definition-foot { margin-top: var(--space-32); display: flex; flex-wrap: wrap; gap: var(--space-16) var(--space-32); align-items: center; }
@media (max-width: 900px) { .definition-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-24); } }

/* -------------------------------------------------- Scrollytelling story */
.story-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-64); align-items: start; }
.story-steps { display: grid; }
.story-step { min-height: 72vh; display: grid; align-content: center; gap: var(--space-16); padding-block: var(--space-48); }
.story-step:first-child { min-height: 52vh; align-content: start; padding-top: var(--space-16); }
.story-step:last-child { min-height: 60vh; }
.story-step .step-n { display: flex; align-items: center; gap: var(--space-16); }
.story-step .step-n .meta { color: var(--signal-text); }
.story-step .step-n::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.story-step h3 { font-size: 28px; line-height: 34px; font-weight: 700; letter-spacing: -0.01em; }
.story-step p { color: var(--ink-muted); max-width: 46ch; }
.story-step p strong { color: var(--ink); font-weight: 600; }
.js .story-step { opacity: 0.38; transition: opacity var(--duration-slow) var(--ease-standard); }
.js .story-step.is-active { opacity: 1; }
.story-stage { position: sticky; top: calc(var(--header-h) + 24px); }
.story-figure { margin: 0; }
.story-panel { position: relative; background: var(--surface-raised); border-radius: var(--radius-6); box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; }
.story-svg { display: block; width: 100%; height: auto; aspect-ratio: 600 / 500; }
.story-tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line); }
.story-tabs button { flex: 1 1 0; min-width: 0; display: grid; gap: 2px; justify-items: start; padding: 12px 14px; background: transparent; border: 0; border-right: 1px solid var(--line); cursor: pointer; text-align: left; color: var(--ink-muted); font-family: var(--font-mono); font-size: 11px; line-height: 14px; letter-spacing: 0.02em; text-transform: uppercase; position: relative; }
.story-tabs button:last-child { border-right: 0; }
.story-tabs button b { font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 0.06em; color: inherit; }
.story-tabs button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--signal); transform: scaleX(var(--fill, 0)); transform-origin: 0 50%; }
.story-tabs button[aria-current="step"] { color: var(--ink); }
.story-foot { display: flex; justify-content: space-between; gap: 16px; padding: 10px 14px; border-top: 1px solid var(--line); }
.story-noscript { display: none; }
html:not(.js) .story-stage { display: none; }
html:not(.js) .story-step { min-height: 0; padding-block: var(--space-24); }
html:not(.js) .story-grid { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 900px) {
  .story-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .story-stage { order: -1; top: calc(var(--header-h) + 8px); z-index: 2; margin-inline: calc(-1 * var(--space-8)); padding: var(--space-8); background: var(--surface); }
  .story-svg { aspect-ratio: 600 / 430; max-height: 40vh; }
  .story-tabs button { padding: 8px 6px; }
  .story-tabs button span { display: none; }
  .story-tabs button b { font-size: 10px; letter-spacing: 0.02em; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .story-foot { display: none; }
  .story-step { min-height: 64vh; position: relative; z-index: 1; }
  .story-step:first-child { min-height: 48vh; padding-top: var(--space-32); }
  .story-step h3 { font-size: 24px; line-height: 30px; }
}

/* SVG diagram vocabulary (themeable) */
.dg { overflow: visible; }
.dg text { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; fill: var(--ink-muted); }
.dg .t-ink { fill: var(--ink); }
.dg .t-sig { fill: var(--signal-text); }
.dg .t-sans { font-family: var(--font-sans); }
.dg .t-b { font-weight: 700; }
.dg .t-lg { font-size: 13px; }
.dg .t-xl { font-size: 16px; }
.dg .t-up { text-transform: uppercase; }
.dg .f-1 { fill: var(--data-1); }
.dg .f-2 { fill: var(--data-2); }
.dg .f-3 { fill: var(--data-3); }
.dg .f-hi { fill: var(--data-highlight); }
.dg .f-surface { fill: var(--surface); }
.dg .f-raised { fill: var(--surface-raised); }
.dg .f-tint { fill: var(--signal-tint); }
.dg .f-none { fill: none; }
.dg .s-1 { stroke: var(--data-1); }
.dg .s-2 { stroke: var(--data-2); }
.dg .s-3 { stroke: var(--data-3); }
.dg .s-line { stroke: var(--line); }
.dg .s-strong { stroke: var(--line-strong); }
.dg .s-hi { stroke: var(--data-highlight); }
.dg .s-ink { stroke: var(--ink); }
.dg .s-surface { stroke: var(--surface); }
.dg .s-raised { stroke: var(--surface-raised); }
.dg .w-1 { stroke-width: 1; }
.dg .w-15 { stroke-width: 1.5; }
.dg .w-2 { stroke-width: 2; }
.dg .w-3 { stroke-width: 3; }
.dg .dash { stroke-dasharray: 5 4; }
.dg .dot { stroke-dasharray: 1.5 3.5; stroke-linecap: round; }
.dg .sq { stroke-linecap: square; stroke-linejoin: miter; }
.dg [data-tip] { cursor: default; }

/* Line drawing on reveal (each layer ≤ 300ms, staggered) */
.js [data-draw] .draw { stroke-dasharray: var(--len, 400); stroke-dashoffset: var(--len, 400); }
.js [data-draw].is-in .draw { stroke-dashoffset: 0; transition: stroke-dashoffset var(--duration-slow) var(--ease-standard); transition-delay: calc(var(--d, 0) * 90ms + 120ms); }
.js [data-draw] .pop { opacity: 0; }
.js [data-draw].is-in .pop { opacity: 1; transition: opacity var(--duration-slow) var(--ease-standard); transition-delay: calc(var(--d, 0) * 90ms); }

/* ---------------------------------------------------------- Panels */
.panel { position: relative; background: var(--surface-raised); border-radius: var(--radius-6); box-shadow: inset 0 0 0 1px var(--line); min-width: 0; }
.panel-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-8) var(--space-16); padding: 12px var(--space-16); border-bottom: 1px solid var(--line); }
.panel-bar .meta b { color: var(--ink); font-weight: 600; }
.panel-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-16); padding: var(--space-16); border-bottom: 1px solid var(--line); }
.panel-body { padding: var(--space-24); }
.panel-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8) var(--space-24); padding: 12px var(--space-16); border-top: 1px solid var(--line); }
.scroll-x { overflow-x: auto; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
.scroll-x > svg { min-width: 560px; }

/* Segmented controls */
.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px; border-radius: var(--radius-2); box-shadow: inset 0 0 0 1px var(--line-strong); max-width: 100%; }
.seg button { height: 32px; padding: 0 12px; border: 0; border-radius: var(--radius-2); background: transparent; color: var(--ink-muted); cursor: pointer; font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; transition: background-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard); }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--surface); }
.seg-label { display: block; margin-bottom: var(--space-8); }
.control-row { display: flex; flex-wrap: wrap; gap: var(--space-16) var(--space-32); align-items: end; }
.live-note { min-height: 20px; font-size: 14px; line-height: 20px; color: var(--ink); display: flex; gap: 8px; align-items: flex-start; }
.live-note .sf-icon { color: var(--signal-text); margin-top: 2px; }

/* ------------------------------------------------------- Network map */
.netmap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; }
.netmap-canvas { min-width: 0; border-right: 1px solid var(--line); padding: var(--space-16); }
.netmap svg { display: block; width: 100%; height: auto; }
.netmap-side { display: grid; align-content: start; gap: var(--space-24); padding: var(--space-24); }
.netmap .n { cursor: pointer; outline: none; }
.netmap .n .halo { fill: none; stroke: var(--ink); stroke-width: 1; opacity: 0; transition: opacity var(--duration-fast) var(--ease-standard); }
.netmap .n:hover .halo, .netmap .n:focus-visible .halo, .netmap .n.is-sel .halo { opacity: .6; }
.netmap .n:focus-visible .halo { stroke: var(--focus); opacity: 1; stroke-width: 2; }
.netmap .e, .netmap .n, .netmap .lbl { transition: opacity var(--duration-base) var(--ease-standard); }
.netmap .is-dim { opacity: .14; }
.netmap .future { opacity: 0; transition: opacity var(--duration-slow) var(--ease-standard); }
.netmap[data-time="b"] .future { opacity: 1; }
.netmap .moved { transition: transform var(--duration-slow) var(--ease-standard); }
.netmap[data-time="b"] .moved { transform: translate(var(--dx, 0px), var(--dy, 0px)); }
.legend { display: grid; gap: 10px; list-style: none; margin: 0; padding: 0; }
.legend li { display: grid; grid-template-columns: 36px minmax(0, 1fr); align-items: center; gap: 12px; font-size: 13px; line-height: 18px; color: var(--ink-muted); }
.legend svg { width: 36px; height: 14px; }
.inspector { display: grid; gap: var(--space-8); padding-top: var(--space-16); border-top: 1px solid var(--line); min-height: 150px; align-content: start; }
.inspector h4 { font-size: 18px; line-height: 24px; font-weight: 600; }
.inspector p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.inspector .row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.text-alt { margin-top: var(--space-8); }
.text-alt summary { cursor: pointer; font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); padding-block: 6px; list-style: none; display: inline-flex; gap: 8px; align-items: center; }
.text-alt summary::-webkit-details-marker { display: none; }
.text-alt summary .sf-icon { transition: transform var(--duration-fast) var(--ease-standard); color: var(--signal-text); }
.text-alt[open] summary .sf-icon { transform: rotate(45deg); }
.data-table { width: 100%; border-collapse: collapse; margin-top: var(--space-16); font-size: 14px; line-height: 20px; }
.data-table th { text-align: left; font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line-strong); }
.data-table td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink); }
.data-table td:last-child { color: var(--ink-muted); }
@media (max-width: 1000px) { .netmap { grid-template-columns: minmax(0, 1fr); } .netmap-canvas { border-right: 0; border-bottom: 1px solid var(--line); padding: var(--space-8); } .netmap-side { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .netmap-side .inspector { grid-column: 1 / -1; } }
@media (max-width: 560px) { .netmap-side { grid-template-columns: minmax(0, 1fr); padding: var(--space-16); } .panel-tools { padding: 12px; } }

/* --------------------------------------------------------- Services */
.svc-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-16); }
.svc { position: relative; grid-column: span 4; display: grid; gap: var(--space-16); align-content: start; padding: var(--space-32) var(--space-24) var(--space-24); background: var(--surface-raised); border-radius: var(--radius-6); text-decoration: none; color: var(--ink); min-width: 0; transition: background-color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard); box-shadow: inset 0 0 0 1px transparent; }
.svc::before { content: ""; position: absolute; left: var(--space-24); top: 0; height: 2px; width: 24px; background: var(--line-strong); transition: width var(--duration-slow) var(--ease-standard), background-color var(--duration-slow) var(--ease-standard); }
.svc:hover::before, .svc:focus-visible::before, .svc.is-match::before { width: calc(100% - 2 * var(--space-24)); background: var(--signal); }
.svc--feature::before { left: var(--space-32); }
.svc--feature:hover::before { width: calc(100% - 2 * var(--space-32)); }
.svc:hover, .svc.is-match { box-shadow: inset 0 0 0 1px var(--line); }
.svc-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-16); }
.svc-glyph { width: 48px; height: 48px; color: var(--ink); flex: none; }
.svc-glyph .hi { color: var(--signal); stroke: var(--signal); }
.svc h3 { font-size: 22px; line-height: 28px; font-weight: 700; letter-spacing: -0.01em; }
.svc p { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.svc .go { margin-top: auto; padding-top: var(--space-8); display: inline-flex; align-items: center; gap: 8px; font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.svc .go .sf-icon { color: var(--signal-text); transition: transform var(--duration-fast) var(--ease-standard); }
.svc:hover .go .sf-icon { transform: translateX(4px); }
.svc .match-badge { display: none; }
.svc.is-match .match-badge { display: inline-flex; }
.svc--feature { grid-column: span 6; grid-row: span 2; padding: var(--space-32); }
.svc--feature h3 { font-size: 30px; line-height: 36px; }
.svc--feature p { font-size: 16px; line-height: 24px; max-width: 46ch; }
.svc--feature .svc-art { margin: var(--space-8) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: var(--space-16); }
.svc--feature .svc-art svg { display: block; width: 100%; height: auto; }
.svc--half { grid-column: span 3; }
.svc--wide { grid-column: span 6; }
.svc-grid--home .svc--feature { grid-column: 1 / span 7; grid-row: 1 / span 2; }
.svc-grid--home .svc:nth-child(2), .svc-grid--home .svc:nth-child(3) { grid-column: 8 / span 5; }
.svc-grid--home .svc:nth-child(4), .svc-grid--home .svc:nth-child(5) { grid-column: span 6; }
@media (max-width: 1100px) {
  .svc-grid--home .svc:nth-child(n) { grid-column: span 6; grid-row: auto; }
  .svc-grid--home .svc--feature { grid-column: span 12; }
}
@media (max-width: 1000px) { .svc { grid-column: span 6; } .svc--feature { grid-column: span 12; grid-row: auto; } }
@media (max-width: 640px) { .svc, .svc-grid--home .svc:nth-child(n) { grid-column: span 12; } .svc--feature h3 { font-size: 26px; line-height: 32px; } }
.tier-line { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: var(--space-24); padding-top: var(--space-16); border-top: 1px solid var(--line); }

/* ------------------------------------------------------ Deliverables */
.docs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-16); }
.doc-card { display: grid; gap: var(--space-16); align-content: start; padding: 0; border: 0; background: transparent; text-align: left; cursor: pointer; color: var(--ink); min-width: 0; }
.doc-sheet { position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius-2); background: var(--surface); box-shadow: 0 0 0 1px var(--line), 0 24px 40px -24px rgb(0 0 0 / .55); overflow: hidden; transition: transform var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard); }
.doc-sheet svg { display: block; width: 100%; height: 100%; }
.doc-card:hover .doc-sheet, .doc-card:focus-visible .doc-sheet { transform: translateY(-6px); box-shadow: 0 0 0 1px var(--line-strong), 0 32px 48px -24px rgb(0 0 0 / .65); }
.doc-card:focus-visible { box-shadow: none; }
.doc-card:focus-visible .doc-sheet { box-shadow: var(--focus-ring); }
.doc-meta { display: grid; gap: 4px; }
.doc-meta strong { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 15px; line-height: 20px; font-weight: 600; }
.doc-meta strong .sf-icon { color: var(--signal-text); flex: none; }
@media (max-width: 1100px) {
  .docs { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: var(--space-16); padding-bottom: var(--space-16); margin-inline: calc(-1 * var(--pad-x)); padding-inline: var(--pad-x); scroll-padding-inline: var(--pad-x); }
  .doc-card { flex: 0 0 min(260px, 72vw); scroll-snap-align: start; }
}

/* Dialog */
.sheet { border: 0; padding: 0; margin: auto; width: min(960px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); background: var(--surface-raised); color: var(--ink); border-radius: var(--radius-6); box-shadow: var(--shadow-float); overflow: auto; }
.sheet::backdrop { background: rgb(5 11 17 / .78); }
.sheet[open] { animation: sheet-in var(--duration-slow) var(--ease-standard); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.sheet-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
.sheet-art { padding: var(--space-32); background: var(--surface); display: grid; place-items: center; }
.sheet-art .doc-sheet { width: 100%; max-width: 380px; box-shadow: 0 0 0 1px var(--line); }
.sheet-body { padding: var(--space-32); display: grid; gap: var(--space-16); align-content: start; position: relative; }
.sheet-close { position: absolute; top: 16px; right: 16px; }
.sheet-body h2 { padding-right: 48px; }
.sheet-body dl { margin: var(--space-8) 0 0; display: grid; gap: var(--space-16); border-top: 1px solid var(--line); padding-top: var(--space-16); }
.sheet-body dt { font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.sheet-body dd { margin: 4px 0 0; font-size: 15px; line-height: 22px; }
@media (max-width: 760px) { .sheet-grid { grid-template-columns: minmax(0, 1fr); } .sheet-art { padding: var(--space-24); } .sheet-art .doc-sheet { max-width: 240px; } .sheet-body { padding: var(--space-24); } }
@media (prefers-reduced-motion: reduce) { .sheet[open] { animation: none; } }

/* ---------------------------------------------------------- Method */
.moves { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-64); position: relative; }
.move { display: grid; gap: var(--space-16); align-content: start; position: relative; min-width: 0; }
.move + .move::before { content: ""; position: absolute; left: calc(-1 * var(--space-32)); top: 0; bottom: 0; width: 1px; background: var(--line); }
.move-art { aspect-ratio: 16 / 10; border-radius: var(--radius-2); background: var(--surface-raised); box-shadow: inset 0 0 0 1px var(--line); display: grid; place-items: center; overflow: hidden; transition: box-shadow var(--duration-base) var(--ease-standard); }
.section--raised .move-art { background: var(--surface); }
.move-art svg { width: 100%; height: 100%; display: block; }
.move .meta { color: var(--signal-text); }
.move h3 { font-size: 20px; line-height: 28px; font-weight: 700; }
.move p { color: var(--ink-muted); font-size: 15px; line-height: 22px; }
.move.is-focus .move-art { box-shadow: inset 0 0 0 1px var(--ink); }
.move-arrow { position: absolute; top: calc((100% - 0px) * 0); }
@media (max-width: 900px) {
  .moves { grid-template-columns: minmax(0, 1fr); gap: var(--space-32); }
  .move + .move::before { display: none; }
  .move + .move { padding-top: var(--space-32); border-top: 1px solid var(--line); }
}

/* Pipeline */
.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-16); counter-reset: p; }
.pipeline li { position: relative; display: grid; gap: var(--space-8); align-content: start; padding: var(--space-24); background: var(--surface-raised); border-radius: var(--radius-6); min-width: 0; }
.section--raised .pipeline li { background: var(--surface); }
.pipeline li .sf-icon { width: 24px; height: 24px; color: var(--ink); margin-bottom: var(--space-8); }
.pipeline li h3 { font-size: 14px; line-height: 20px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.pipeline li p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.pipeline li:not(:last-child)::after { content: ""; position: absolute; top: 44px; right: -13px; width: 10px; height: 10px; border-top: 1.5px solid var(--signal); border-right: 1.5px solid var(--signal); transform: rotate(45deg); z-index: 1; }
@media (max-width: 900px) { .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pipeline li:nth-child(2)::after { display: none; } }
@media (max-width: 560px) { .pipeline { grid-template-columns: minmax(0, 1fr); } .pipeline li::after { display: none; } }

/* ------------------------------------------------------ Evidence */
.ladder { display: grid; gap: 0; border-top: 1px solid var(--line); }
.ladder-row { display: grid; grid-template-columns: 118px minmax(0, 1fr) 88px; gap: var(--space-24); align-items: center; padding-block: var(--space-16); border-bottom: 1px solid var(--line); }
.ladder-row p { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.ladder-bar { height: 6px; background: var(--line); position: relative; overflow: hidden; }
.ladder-bar i { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--ink); }
.ladder-row:nth-child(2) .ladder-bar i { background: repeating-linear-gradient(135deg, var(--ink) 0 3px, transparent 3px 5px); }
.ladder-row:nth-child(3) .ladder-bar i { background: repeating-linear-gradient(90deg, var(--ink-muted) 0 6px, transparent 6px 10px); }
.ladder-row:nth-child(4) .ladder-bar i { background: repeating-linear-gradient(90deg, var(--line-strong) 0 2px, transparent 2px 6px); }
.ladder-axis { display: flex; justify-content: space-between; padding-top: var(--space-8); }
@media (max-width: 640px) { .ladder-row { grid-template-columns: minmax(0, 1fr); gap: var(--space-8); } .ladder-bar { max-width: 200px; } }
.case { display: grid; gap: 0; }
.case .sf-signal:last-child { border-bottom: 1px solid var(--line); }
.case-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; align-items: center; padding-bottom: var(--space-16); }
.principles-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-16); }
.principle { display: grid; gap: 6px; padding-top: var(--space-16); border-top: 2px solid var(--ink); }
.principle .meta { color: var(--signal-text); }
.principle b { font-size: 16px; line-height: 24px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.principle span { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
@media (max-width: 760px) { .principles-row { grid-template-columns: minmax(0, 1fr); } }
.ethics-list { list-style: none; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.ethics-list li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: var(--space-16); padding-block: 14px; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 22px; color: var(--ink); }
.ethics-list .sf-icon { color: var(--signal-text); margin-top: 2px; }

/* ----------------------------------------------------- Venture */
.venture { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-48); align-items: center; padding: var(--space-48); background: var(--surface-raised); border-radius: var(--radius-6); }
.venture .fig svg { display: block; width: 100%; height: auto; }
@media (max-width: 900px) { .venture { grid-template-columns: minmax(0, 1fr); padding: var(--space-24); } }

/* -------------------------------------------------------- Blog cards */
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-24); }
.post { display: grid; gap: var(--space-16); align-content: start; text-decoration: none; color: var(--ink); min-width: 0; }
.post-cover { position: relative; aspect-ratio: 16 / 10; border-radius: var(--radius-2); overflow: hidden; background: var(--surface-raised); box-shadow: inset 0 0 0 1px var(--line); }
.section--raised .post-cover { background: var(--surface); }
.post-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; transition: transform var(--duration-slow) var(--ease-standard); }
.post:hover .post-cover svg { transform: scale(1.025); }
.post-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.post-meta .meta:first-child { color: var(--signal-text); }
.post h3 { font-size: 20px; line-height: 26px; font-weight: 700; letter-spacing: -0.005em; transition: color var(--duration-fast) var(--ease-standard); }
.post p { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.post .go { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.post .go .sf-icon { color: var(--signal-text); transition: transform var(--duration-fast) var(--ease-standard); }
.post:hover .go .sf-icon { transform: translateX(4px); }
.post:hover h3 { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; text-decoration-thickness: 1px; }
@media (max-width: 1000px) { .posts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .posts { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------- Closing */
.closing { position: relative; overflow: hidden; isolation: isolate; padding-block: var(--section-y); background: var(--surface-raised); }
.closing-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--space-48); align-items: end; }
.closing-grid .actions { justify-content: flex-end; }
.closing-hex { position: absolute; right: -120px; top: 50%; width: 520px; height: 600px; transform: translateY(-50%); z-index: -1; pointer-events: none; }
.closing-hex polygon { fill: none; stroke: var(--line); stroke-width: 1; }
@media (max-width: 900px) { .closing-grid { grid-template-columns: minmax(0, 1fr); } .closing-grid .actions { justify-content: flex-start; } .closing-hex { right: -260px; } }

/* ---------------------------------------------------------- Footer */
.site-footer { background: var(--surface); color: var(--ink); border-top: 1px solid var(--line); padding-block: var(--space-48) var(--space-32); overflow-x: clip; }
.footer-top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-48); align-items: center; border-bottom: 1px solid var(--line); }
.footer-mark { padding: 66px 0; }
.footer-mark img { width: 300px; max-width: none; }
.footer-top .display { text-align: right; font-size: clamp(32px, 4.4vw, 56px); line-height: 1; }
.footer-top .display span { display: block; }
.footer-top .display .em { color: var(--signal); }
.footer-nav { display: grid; grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.6fr)); gap: var(--space-32); padding-block: var(--space-48); }
.footer-nav h2 { font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: var(--space-16); }
.footer-nav ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer-nav a { font-size: 14px; line-height: 20px; text-decoration: none; color: var(--ink); }
.footer-nav a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--signal); }
.footer-about p { font-size: 14px; line-height: 20px; color: var(--ink-muted); max-width: 42ch; }
.footer-about p + p { margin-top: var(--space-16); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-16); padding-top: var(--space-24); border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .footer-top .display { text-align: left; padding-bottom: var(--space-32); }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 400px) { .footer-nav { grid-template-columns: minmax(0, 1fr); } }

/* ---------------------------------------------------- Inner page hero */
.page-hero { position: relative; padding-block: clamp(40px, 7vh, 80px) clamp(56px, 9vh, 104px); overflow: hidden; }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-64); align-items: center; }
.page-hero-grid--text { grid-template-columns: minmax(0, 9fr) minmax(0, 3fr); }
.page-hero-copy { display: grid; gap: var(--space-24); align-content: start; }
.page-hero-copy .lead { font-size: 18px; line-height: 28px; max-width: 58ch; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px 10px; list-style: none; margin: 0 0 var(--space-8); padding: 0; font-family: var(--font-mono); font-size: 11px; line-height: 16px; letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink-muted); }
.crumbs li { display: inline-flex; gap: 10px; align-items: center; }
.crumbs li + li::before { content: "/"; color: var(--line-strong); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.crumbs [aria-current] { color: var(--ink); }
.hero-fig { margin: 0; min-width: 0; }
.hero-fig .sf-frame { padding: var(--space-32); }
.hero-fig svg { display: block; width: 100%; height: auto; }
.hero-fig figcaption { display: flex; justify-content: space-between; gap: 16px; margin-top: var(--space-16); }
.hero-fig figcaption .meta:first-child { color: var(--ink); }
@media (max-width: 900px) { .page-hero-grid, .page-hero-grid--text { grid-template-columns: minmax(0, 1fr); gap: var(--space-48); } .hero-fig .sf-frame { padding: var(--space-24) var(--space-16); } }

/* Questions + outcomes */
.qa { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: var(--space-64); align-items: start; }
.q-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); counter-reset: q; }
.q-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: var(--space-16); padding-block: 18px; border-bottom: 1px solid var(--line); font-size: 18px; line-height: 27px; color: var(--ink); }
.q-list li .sf-icon { color: var(--signal-text); margin-top: 3px; }
.outcome { display: grid; gap: var(--space-24); align-content: start; padding: var(--space-32); background: var(--surface-raised); border-radius: var(--radius-6); position: sticky; top: calc(var(--header-h) + 24px); }
.outcome p { color: var(--ink); }
@media (max-width: 900px) { .qa { grid-template-columns: minmax(0, 1fr); gap: var(--space-48); } .outcome { position: static; padding: var(--space-24); } .q-list li { font-size: 16px; line-height: 24px; } }

/* Tech band */
.band { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-64); align-items: center; }
@media (max-width: 900px) { .band { grid-template-columns: minmax(0, 1fr); gap: var(--space-24); } }

/* Pager */
.pager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pager a { display: grid; gap: 6px; padding: var(--space-24) 0; text-decoration: none; color: var(--ink); }
.pager a + a { text-align: right; justify-items: end; border-left: 1px solid var(--line); padding-left: var(--space-24); }
.pager a:first-child { padding-right: var(--space-24); }
.pager b { font-size: 20px; line-height: 28px; font-weight: 700; }
.pager a:hover b { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--signal); }
.pager .meta { display: inline-flex; gap: 8px; align-items: center; }
@media (max-width: 560px) { .pager b { font-size: 16px; line-height: 22px; } }

/* Scenario tree */
.scen { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-24); }
.scen-cards { display: grid; gap: var(--space-8); }
.scen-card { display: grid; gap: 6px; padding: var(--space-16) var(--space-24); border-radius: var(--radius-6); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow var(--duration-base) var(--ease-standard), opacity var(--duration-base) var(--ease-standard); opacity: .6; }
.scen-card.is-sel { box-shadow: inset 0 0 0 1px var(--ink), inset 3px 0 0 var(--signal); opacity: 1; }
.scen-card h3 { font-size: 18px; line-height: 24px; font-weight: 700; }
.scen-card p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.scen-card .sig { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; line-height: 18px; color: var(--ink); }
.scen-card .sig .sf-icon { color: var(--signal-text); flex: none; margin-top: 1px; }
.scen svg .path { transition: stroke var(--duration-base) var(--ease-standard), opacity var(--duration-base) var(--ease-standard); }
@media (max-width: 900px) { .scen { grid-template-columns: minmax(0, 1fr); } }

/* Timeline */
.tline { position: relative; }
.tl-track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.tl-track::before { content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 1px; background: var(--line-strong); }
.tl-btn { position: relative; display: grid; justify-items: start; gap: 6px; padding: 0 12px 0 0; background: transparent; border: 0; cursor: pointer; text-align: left; color: var(--ink-muted); min-width: 0; }
.tl-btn .mk { width: 48px; height: 48px; display: grid; place-items: center; background: var(--surface-raised); position: relative; }
.section--raised .tl-btn .mk { background: var(--surface-raised); }
.tl-btn .mk svg { width: 16px; height: 18px; }
.tl-btn b { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.02em; }
.tl-btn strong { font-size: 15px; line-height: 20px; font-weight: 600; color: var(--ink); }
.tl-btn small { font-size: 12px; line-height: 16px; }
.tl-btn[aria-pressed="true"] .mk { box-shadow: inset 0 0 0 1px var(--ink); }
.tl-btn[aria-pressed="true"] strong { text-decoration: underline; text-decoration-color: var(--signal); text-underline-offset: 4px; text-decoration-thickness: 2px; }
.tl-detail { margin-top: var(--space-32); }
@media (max-width: 760px) {
  .tl-track { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .tl-track::before { left: 23px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .tl-btn { grid-template-columns: 48px minmax(0, 1fr); column-gap: 16px; align-items: center; padding: 6px 0; }
  .tl-btn .mk { grid-row: span 3; }
}

/* BI */
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-16); }
.kpi { display: grid; gap: 8px; padding: var(--space-24); background: var(--surface); border-radius: var(--radius-6); box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow var(--duration-base) var(--ease-standard); position: relative; min-width: 0; }
.kpi.is-sel { box-shadow: inset 0 0 0 1px var(--ink); }
.kpi.is-sel::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--signal); border-radius: var(--radius-6) var(--radius-6) 0 0; }
.kpi .label { color: var(--ink-muted); }
.kpi strong { font-family: var(--font-display); font-size: 48px; line-height: 52px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi svg { width: 100%; height: 40px; display: block; }
@media (max-width: 760px) { .kpis { grid-template-columns: minmax(0, 1fr); } }
.defs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-16); margin-top: var(--space-24); }
.defs div { display: grid; gap: 4px; padding-top: 12px; border-top: 1px solid var(--line); }
.defs dt { font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.defs dd { margin: 0; font-size: 14px; line-height: 20px; }
@media (max-width: 640px) { .defs { grid-template-columns: minmax(0, 1fr); } }

/* Comparison */
.compare { width: 100%; border-collapse: collapse; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 22px; }
.compare thead th { font-size: 20px; line-height: 28px; font-weight: 700; border-bottom: 2px solid var(--ink); padding-bottom: 12px; }
.compare thead th small { display: block; font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--signal-text); margin-bottom: 4px; }
.compare tbody th { font-size: 11px; line-height: 22px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); width: 22%; }
.compare td { color: var(--ink); }

/* Tiles */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-16); }
.tiles--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.tile { display: grid; gap: var(--space-16); align-content: start; padding: var(--space-24); background: var(--surface-raised); border-radius: var(--radius-6); min-width: 0; }
.section--raised .tile { background: var(--surface); }
.tile .sf-icon { width: 28px; height: 28px; }
.tile h3 { font-size: 18px; line-height: 24px; font-weight: 700; }
.tile p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.tile .meta { color: var(--signal-text); }
@media (max-width: 1100px) { .tiles--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 900px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tiles, .tiles--5 { grid-template-columns: minmax(0, 1fr); } }

.audiences { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.audiences li { display: grid; gap: 6px; padding: var(--space-24) var(--space-24) var(--space-24) 0; border-bottom: 1px solid var(--line); }
.audiences li:not(:nth-child(3n+1)) { padding-left: var(--space-24); border-left: 1px solid var(--line); }
.audiences b { font-size: 16px; line-height: 22px; font-weight: 700; }
.audiences span { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
@media (max-width: 900px) { .audiences { grid-template-columns: repeat(2, minmax(0, 1fr)); } .audiences li:nth-child(n) { padding-left: 0; border-left: 0; } .audiences li:nth-child(2n) { padding-left: var(--space-24); border-left: 1px solid var(--line); } }
@media (max-width: 520px) { .audiences { grid-template-columns: minmax(0, 1fr); } .audiences li:nth-child(n) { padding-left: 0; border-left: 0; } }

.isnot { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-16); }
.isnot > div { padding: var(--space-24); border-radius: var(--radius-6); display: grid; gap: var(--space-8); align-content: start; }
.isnot .is { background: var(--surface-raised); box-shadow: inset 0 2px 0 var(--ink); }
.isnot .not { box-shadow: inset 0 0 0 1px var(--line); }
.isnot .label { color: var(--ink-muted); }
.isnot p { font-size: 16px; line-height: 24px; }
.isnot .not p { color: var(--ink-muted); }
@media (max-width: 720px) { .isnot { grid-template-columns: minmax(0, 1fr); } }

/* Lockup in hero (Nosotros): firma institucional ≥ 300 px dentro de su área de protección */
.lockup-fig .sf-frame { display: grid; place-items: center; padding: 72px; }
.lockup-fig img { width: 320px; max-width: none; }
@media (max-width: 560px) { .lockup-fig .sf-frame { padding: 66px 0; } .lockup-fig .sf-frame-corner { display: none; } .lockup-fig img { width: 300px; } }

/* --------------------------------------------------------- Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-64); align-items: start; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-24); }
.form .full { grid-column: 1 / -1; }
.sf-field select.sf-field-input { appearance: none; -webkit-appearance: none; padding-right: 40px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; cursor: pointer; }
.sf-field-input:user-invalid { border-color: var(--signal); }
.sf-field-error[hidden] { display: none; }
.req { color: var(--signal-text); }
.demo-note { display: flex; gap: 12px; align-items: flex-start; }
.demo-note .sf-icon { color: var(--signal-text); flex: none; margin-top: 2px; }
.form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: var(--space-16); align-items: center; padding-top: var(--space-8); }
.form-status { grid-column: 1 / -1; min-height: 24px; font-size: 14px; line-height: 20px; color: var(--ink); display: flex; gap: 8px; align-items: flex-start; }
.form-status:empty { display: none; }
.form-status .sf-icon { color: var(--signal-text); flex: none; margin-top: 2px; }
.preview { position: sticky; top: calc(var(--header-h) + 24px); }
.preview .sf-frame { padding: var(--space-24); }
.preview .sf-brief { box-shadow: inset 0 0 0 1px var(--line); }
.preview .sf-brief-title.is-empty, .preview .sf-brief-question.is-empty, .preview dd.is-empty { color: var(--ink-muted); }
.preview-steps { list-style: none; padding: 0; margin: var(--space-24) 0 0; display: grid; gap: 10px; }
.preview-steps li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.preview-steps li .sf-icon { color: var(--line-strong); }
.preview-steps li.done { color: var(--ink); }
.preview-steps li.done .sf-icon { color: var(--signal-text); }
@media (max-width: 1000px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } .preview { position: static; } }
@media (max-width: 560px) { .form { grid-template-columns: minmax(0, 1fr); } .form-actions .sf-btn { width: 100%; } }

/* ------------------------------------------------------------- Blog */
.blog-tools { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-16); align-items: center; margin-bottom: var(--space-24); }
.search { position: relative; width: min(340px, 100%); }
.search .sf-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--ink-muted); pointer-events: none; }
.search input { padding-left: 42px; }
.result-line { display: flex; justify-content: space-between; gap: 16px; padding-block: 12px; border-top: 1px solid var(--line); margin-bottom: var(--space-32); }
.empty { display: grid; gap: var(--space-16); justify-items: start; padding: var(--space-48) var(--space-32); border-radius: var(--radius-6); box-shadow: inset 0 0 0 1px var(--line); }
.feature-post { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-48); align-items: center; text-decoration: none; color: var(--ink); }
.feature-post .post-cover { aspect-ratio: 16 / 10; }
.feature-post h3 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.15; font-weight: 750; letter-spacing: -0.015em; }
.feature-post p { color: var(--ink-muted); font-size: 17px; line-height: 26px; }
.feature-post:hover h3 { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 6px; text-decoration-thickness: 1px; }
@media (max-width: 900px) { .feature-post { grid-template-columns: minmax(0, 1fr); gap: var(--space-24); } .feature-post .post-cover { order: -1; } }

/* Article */
.article-head { padding-block: clamp(40px, 6vh, 72px) var(--space-64); border-bottom: 1px solid var(--line); }
.article-head-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-64); align-items: end; }
.article-head h1 { font-size: clamp(34px, 4.2vw, 56px); line-height: 1.05; font-weight: 800; letter-spacing: -0.022em; font-variation-settings: 'opsz' 32; }
.article-deck { font-size: 20px; line-height: 30px; color: var(--ink-muted); max-width: 52ch; }
.byline { display: flex; flex-wrap: wrap; gap: 8px 24px; padding-top: var(--space-16); border-top: 1px solid var(--line); }
.byline .meta b { color: var(--ink); font-weight: 600; }
@media (max-width: 900px) { .article-head-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-32); } }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--space-64); padding-block: var(--space-64) var(--space-96); }
.toc { position: sticky; top: calc(var(--header-h) + 32px); display: grid; gap: var(--space-16); align-content: start; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; border-left: 1px solid var(--line); }
.toc a { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 4px; padding: 8px 0 8px 16px; margin-left: -1px; border-left: 2px solid transparent; font-size: 14px; line-height: 20px; color: var(--ink-muted); text-decoration: none; transition: color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard); }
.toc a .mono { font-size: 11px; line-height: 20px; }
.toc a:hover { color: var(--ink); }
.toc a[aria-current="true"] { color: var(--ink); border-left-color: var(--signal); }
.toc-actions { display: grid; gap: 8px; justify-items: start; padding-top: var(--space-16); border-top: 1px solid var(--line); }
.article-body { max-width: 720px; display: grid; gap: var(--space-48); }
.article-lead { font-size: 22px; line-height: 33px; font-weight: 500; color: var(--ink); letter-spacing: -0.005em; }
.article-sec { display: grid; gap: var(--space-16); scroll-margin-top: calc(var(--header-h) + 32px); }
.article-sec .meta { color: var(--signal-text); }
.article-sec h2 { font-size: 28px; line-height: 34px; font-weight: 700; letter-spacing: -0.012em; }
.article-sec p, .article-sec li { font-size: 18px; line-height: 30px; color: var(--ink); }
.article-sec p { color: color-mix(in srgb, var(--ink) 86%, var(--surface)); }
.article-sec strong { font-weight: 650; color: var(--ink); }
.article-sec ol { padding-left: 1.3em; display: grid; gap: 12px; }
.article-sec ol li::marker { color: var(--signal-text); font-weight: 700; font-variant-numeric: tabular-nums; }
.article-fig { margin: var(--space-16) 0; padding: var(--space-24); background: var(--surface-raised); border-radius: var(--radius-6); }
.article-fig svg { display: block; width: 100%; height: auto; }
.article-fig figcaption { margin-top: var(--space-16); display: flex; justify-content: space-between; gap: 16px; }
.signoff { display: flex; gap: var(--space-24); align-items: center; padding-block: var(--space-24); border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.signoff .display { font-size: 28px; line-height: 30px; }
.signoff p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
@media (max-width: 1000px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-32); padding-top: var(--space-32); }
  .toc { position: static; }
  .toc ol { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) { .article-sec p, .article-sec li { font-size: 17px; line-height: 28px; } .article-lead { font-size: 19px; line-height: 29px; } .signoff { flex-direction: column; align-items: flex-start; } }

/* Venture separation diagram & generic figure */
.fig { margin: 0; }
.fig svg { display: block; width: 100%; height: auto; }
.fig figcaption { margin-top: 12px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------------------------------------------------------- Motion off */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .js [data-reveal].is-in { opacity: 1 !important; transform: none !important; transition: none !important; }
  .js [data-draw] .draw { stroke-dashoffset: 0 !important; transition: none !important; }
  .js [data-draw] .pop { opacity: 1 !important; transition: none !important; }
  .js .hero[data-intro] .hero-statement .line, .js .hero[data-intro] .hero-copy > *, .js .hero[data-intro] .hero-mark { opacity: 1 !important; transform: none !important; transition: none !important; }
  .js .story-step { opacity: 1; }
  .js .definition-text .w { color: var(--ink); }
  .js .definition-text .w.k { color: var(--signal); }
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
  .site-header.is-hidden { transform: none; }
}

/* Print: documento claro y legible */
@media print {
  .site-header, .mobile-panel, .rail, .hero-field, .closing, .site-footer .footer-nav, .toc-actions { display: none !important; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ------------------------------------------------ Diagram extras */
.dg .f-ln { fill: var(--line); }
.dg .f-black { fill: var(--intelligence-black); }
.dg .f-red { fill: var(--signal-red); }
.dg .t-white { fill: var(--pure-white); }
.dg .dd { stroke-dasharray: 9 3 2 3; }

/* Ecosystem link explorer */
.lk { cursor: pointer; outline: none; transition: opacity var(--duration-base) var(--ease-standard); }
.lk .hit { fill: none; stroke: transparent; stroke-width: 16; }
.lk .vis { transition: stroke var(--duration-fast) var(--ease-standard), stroke-width var(--duration-fast) var(--ease-standard); }
.lk .vis-head { fill: none; stroke: var(--data-2); stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; }
.lk:hover .vis { stroke: var(--ink); }
.lk:focus-visible .vis { stroke: var(--focus); stroke-width: 3; }
.lk.is-sel .vis { stroke: var(--data-highlight); stroke-width: 2.5; }
.lk.is-sel .vis-head { stroke: var(--data-highlight); }
.lk.is-dim { opacity: .14; }
.eco-node .halo { fill: none; stroke: var(--ink); stroke-width: 1; opacity: 0; transition: opacity var(--duration-fast) var(--ease-standard); }
.eco-node.is-sel .halo { opacity: .7; }
.eco-svg > svg { min-width: 620px; }
.links-foot { align-items: center; justify-content: flex-start; }
.link-list { display: flex; flex-wrap: wrap; gap: 6px; }
.link-btn { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 10px; border: 0; border-radius: var(--radius-2); background: transparent; box-shadow: inset 0 0 0 1px var(--line); color: var(--ink-muted); cursor: pointer; font-size: 13px; line-height: 18px; transition: box-shadow var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard); }
.link-btn svg { width: 24px; height: 10px; flex: none; }
.link-btn:hover { color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.link-btn[aria-pressed="true"] { color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.link-card { display: grid; gap: var(--space-8); align-content: start; }
.link-card h4 { font-size: 18px; line-height: 24px; font-weight: 600; }
.link-card p { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.link-card .row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.link-card .note b { color: var(--ink); font-weight: 600; }

/* Blog extras */
.mosaic { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mosaic .post-cover { aspect-ratio: 16 / 10; }
.posts--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 640px) { .posts--2 { grid-template-columns: minmax(0, 1fr); } }
.post-cover .dg text { font-size: 11px; }
.svc-grid--index .svc { grid-column: span 4; }
.svc-grid--index .svc--wide { grid-column: span 6; }
@media (max-width: 1000px) { .svc-grid--index .svc, .svc-grid--index .svc--wide { grid-column: span 6; } }
@media (max-width: 640px) { .svc-grid--index .svc, .svc-grid--index .svc--wide { grid-column: span 12; } }
.svc-grid--index .svc:nth-child(3) { grid-column: span 4; }
@media (min-width: 1001px) { .svc-grid--index .svc:nth-child(3), .svc-grid--index .svc:nth-child(4), .svc-grid--index .svc:nth-child(5) { grid-column: span 4; } }

.dg .cover-bg { fill: var(--surface-raised); }
.section--raised .dg .cover-bg, .hero-fig .dg .cover-bg { fill: var(--surface); }
.section--raised .post-cover { box-shadow: inset 0 0 0 1px var(--line); }

/* Grid stacks never grow past their container; long buttons wrap on phones */
.stack-8, .stack-16, .stack-24, .stack-32, .hero-copy, .page-hero-copy, .outcome, .sheet-body, .link-card, .inspector, .case, .article-body, .article-sec, .story-step, .move, .tile, .svc, .post, .doc-card, .principle { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 560px) {
  .sf-btn { white-space: normal; text-align: left; line-height: 16px; }
  .sf-btn-lg { height: auto; min-height: 48px; padding-block: 12px; }
}

.venture .fig .scroll-x > svg { min-width: 540px; }
.section--raised .svc, .section--raised .outcome, .section--raised .kpi { background: var(--surface); }
.section--raised .panel { background: var(--surface); }
.signoff .display { font-size: 24px; line-height: 28px; white-space: nowrap; }
.posts--2 .post h3 { font-size: 24px; line-height: 30px; }
.sf-btn { max-width: 100%; }
.sf-btn-lg { white-space: normal; height: auto; min-height: 48px; padding-block: 12px; line-height: 18px; text-align: left; }

/* ------------------------------------------------ v2.1: brand, language, GEO blocks */
.brand-symbol { width: 28px; height: auto; flex: none; display: block; }
.brand-name { font-size: 15px; line-height: 1; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; white-space: nowrap; }
@media (max-width: 400px) { .brand-name { font-size: 13px; letter-spacing: 0.03em; } .brand-symbol { width: 24px; } }
.brand-sub { line-height: 16px; }
.lang-switch { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 8px; font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; }
.lang-switch a { color: var(--ink-muted); text-decoration: none; padding: 4px 2px; border-bottom: 2px solid transparent; transition: color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard); }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--signal); }
.lang-switch span { color: var(--line-strong); font-weight: 400; }
.lang-switch--lg { font-size: 14px; height: auto; padding: 0; }
@media (max-width: 400px) { .header-bar { gap: 12px; } .header-actions { gap: 4px; } .lang-switch { padding: 0 4px; } }

/* Hero: firma institucional (hexágono) dentro de su área de protección */
.hero-mark--lockup .sf-frame { padding: 64px 88px; }
.hero-mark--lockup img { width: 320px; }
@media (max-width: 1100px) { .hero-mark--lockup .sf-frame { padding: 56px 64px; } .hero-mark--lockup img { width: 300px; } }
@media (max-width: 900px) { .hero-mark--lockup .sf-frame { padding: 56px 0; } .hero-mark--lockup { justify-items: center; } }

/* Answer-first summary strip on service pages */
.summary-strip { border-bottom: 1px solid var(--line); }
.summary-dl { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 3fr); margin: 0; border-top: 1px solid var(--line); }
.summary-dl > div { display: grid; gap: 8px; align-content: start; padding: 28px 24px 32px 0; min-width: 0; }
.summary-dl > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.summary-dl dt { font-size: 11px; line-height: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal-text); }
.summary-dl dd { margin: 0; font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.summary-dl > div:first-child dd { font-size: 18px; line-height: 28px; color: var(--ink); }
@media (max-width: 900px) { .summary-dl { grid-template-columns: minmax(0, 1fr); } .summary-dl > div, .summary-dl > div + div { padding: 20px 0; border-left: 0; } .summary-dl > div + div { border-top: 1px solid var(--line); } }

/* FAQ */
.faq { border-top: 1px solid var(--line); min-width: 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-16); padding: 20px 0; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-size: 18px; line-height: 26px; font-weight: 600; letter-spacing: -0.005em; }
.faq-item summary .sf-icon { color: var(--signal-text); flex: none; margin-top: 4px; transition: transform var(--duration-fast) var(--ease-standard); }
.faq-item[open] summary .sf-icon { transform: rotate(45deg); }
.faq-item summary:hover h3 { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.faq-a { padding: 0 48px 24px 0; }
.faq-a p { color: var(--ink-muted); font-size: 16px; line-height: 25px; max-width: 64ch; }
@media (max-width: 560px) { .faq-a { padding-right: 0; } .faq-item summary h3 { font-size: 17px; line-height: 24px; } }

/* Key facts (About) */
.facts { margin: 0; border-top: 1px solid var(--line); min-width: 0; }
.facts > div { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: var(--space-16); padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 11px; line-height: 22px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.facts dd { margin: 0; font-size: 15px; line-height: 22px; color: var(--ink); }
@media (max-width: 560px) { .facts > div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

/* Glossary (GEO: quotable definitions) */
.gloss { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-48); border-top: 1px solid var(--line); }
.gloss-item { display: grid; grid-template-columns: minmax(120px, 180px) minmax(0, 1fr); gap: var(--space-16); padding-block: var(--space-16); border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 24px); }
.gloss dt { font-size: 14px; line-height: 22px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink); }
.gloss dd { margin: 0; font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.gloss-item:target dt { color: var(--signal-text); }
@media (max-width: 900px) { .gloss { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .gloss-item { grid-template-columns: minmax(0, 1fr); gap: 4px; } }