/* Landing NubeRH — usa los tokens de brand.css (Marca/). Página clara; las secciones
   oscuras se marcan con data-theme="dark" y heredan los tokens del tema oscuro. */

@font-face { font-family: "Bricolage Grotesque"; src: url("../fonts/BricolageGrotesque.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("../fonts/Figtree.woff2") format("woff2"); font-weight: 300 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/JetBrainsMono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--surface-100); color: var(--ink); font: 400 17px/1.6 var(--font-sans); -webkit-font-smoothing: antialiased; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -48px; background: var(--brand); color: var(--on-brand); padding: 10px 16px; border-radius: var(--radius-md); z-index: 100; }
.skip:focus { top: 12px; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
@media (min-width: 720px) { .wrap { width: min(1120px, 100% - 64px); } }

/* ---------- Secciones ---------- */
.section { padding: 72px 0; background: var(--surface-100); color: var(--ink); }
.section--alt { background: var(--surface-200); }
.section[data-theme="dark"] { background: var(--surface-200); }
@media (min-width: 900px) { .section { padding: 112px 0; } }
.kicker { font: 600 12px/16px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--coral-text); margin-bottom: 16px; }
.h2 { font-size: clamp(30px, 4.4vw, 46px); max-width: 18ch; }
.lead { font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: var(--ink-muted); max-width: 56ch; margin-top: 20px; }
.section-head { margin-bottom: 48px; }
.section-head--wide .h2 { max-width: 24ch; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 22px; border-radius: var(--radius-md); border: 1px solid transparent; font: 600 16px/20px var(--font-sans); text-decoration: none; cursor: pointer; transition: transform .15s ease, background-color .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--brand); color: var(--on-brand); }
.btn--coral { background: var(--coral); color: var(--on-coral); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--sm { min-height: 40px; padding: 8px 16px; font-size: 15px; }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* ---------- Cabecera ---------- */
.header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--surface-100) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.header__logo img { height: 32px; width: auto; }
.nav { display: none; gap: 4px; margin-left: 12px; }
.nav a { padding: 8px 12px; border-radius: var(--radius-sm); text-decoration: none; font-weight: 500; font-size: 15px; color: var(--ink-muted); }
.nav a:hover { color: var(--ink); background: var(--surface-300); }
.header__actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.switch { display: none; gap: 6px; font-size: 14px; font-weight: 500; color: var(--ink-muted); text-decoration: none; padding: 8px 4px; }
.switch strong { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; text-decoration-color: var(--coral); }
@media (min-width: 960px) { .nav, .switch { display: flex; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--surface-200); color: var(--ink); padding: 64px 0 0; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; pointer-events: none; -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 85%); mask-image: linear-gradient(90deg, transparent 30%, #000 85%); }
.hero__shade { position: absolute; inset: 0; background: linear-gradient(180deg, var(--surface-200) 8%, color-mix(in srgb, var(--surface-200) 78%, transparent) 55%, color-mix(in srgb, var(--surface-200) 92%, transparent) 100%); pointer-events: none; }
.hero .wrap { position: relative; }
.hero h1 { font-size: clamp(44px, 8.2vw, 88px); line-height: .98; max-width: 14ch; }
.hero h1 em { font-style: normal; color: var(--coral); }
.hero__lead { font-size: clamp(18px, 2.2vw, 22px); line-height: 1.5; color: var(--ink-muted); max-width: 52ch; margin-top: 28px; }
.hero__proof { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px 20px; font: 500 14px/20px var(--font-sans); color: var(--ink-muted); }
.hero__proof li { display: flex; align-items: center; gap: 8px; }
.hero__proof li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); }
.hero__shot { margin-top: 56px; }
.hero__shot .frame { border-bottom: 0; border-radius: var(--radius-xl) var(--radius-xl) 0 0; box-shadow: 0 -8px 60px rgba(0,0,0,.35); }

/* ---------- Marco de captura ---------- */
.frame { background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.frame img { width: 100%; }
.frame__cap { padding: 12px 16px; font: 500 13px/18px var(--font-sans); color: var(--ink-muted); border-top: 1px solid var(--line); background: var(--surface-100); }

/* ---------- Pasos ---------- */
.steps { display: grid; gap: 40px; counter-reset: paso; }
.step { display: grid; gap: 24px; align-items: center; }
.step__num { font: 600 13px/16px var(--font-mono); letter-spacing: .08em; color: var(--coral-text); }
.step h3 { font-size: clamp(26px, 3.2vw, 34px); margin: 10px 0 14px; }
.step p { color: var(--ink-muted); max-width: 46ch; }
.step ul { margin-top: 16px; display: grid; gap: 8px; }
.step li { padding-left: 24px; position: relative; font-size: 16px; }
.step li::before { content: ""; position: absolute; left: 0; top: .6em; width: 12px; height: 7px; border-left: 2px solid var(--coral-text); border-bottom: 2px solid var(--coral-text); transform: rotate(-45deg) translateY(-50%); }
@media (min-width: 900px) {
  .step { grid-template-columns: 4fr 7fr; gap: 56px; }
  .step:nth-child(even) { grid-template-columns: 7fr 4fr; }
  .step:nth-child(even) .step__text { order: 2; }
  .steps { gap: 96px; }
}

/* ---------- Pilares ---------- */
.pillars { display: grid; gap: 16px; }
@media (min-width: 900px) { .pillars { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.pillar { background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px 28px; }
.section--alt .pillar { background: var(--surface-100); }
.pillar__tag { display: inline-block; font: 600 12px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; background: var(--surface-300); border-radius: var(--radius-sm); padding: 4px 10px; }
.pillar h3 { font-size: 28px; margin: 18px 0 12px; }
.pillar > p { color: var(--ink-muted); }
.pillar ul { margin-top: 20px; display: grid; gap: 12px; font-size: 16px; }
.pillar li { padding-left: 22px; position: relative; }
.pillar li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--coral); }

/* ---------- Cobertura ---------- */
.cover-grid { display: grid; gap: 12px; }
@media (min-width: 720px) { .cover-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cover-grid { grid-template-columns: repeat(3, 1fr); } }
.cover-item { background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.cover-item h3 { font-size: 20px; letter-spacing: -.01em; line-height: 1.2; }
.cover-item p { margin-top: 8px; font-size: 16px; color: var(--ink-muted); }
.honest { margin-top: 24px; background: var(--surface-300); border-radius: var(--radius-lg); padding: 28px; display: grid; gap: 16px; }
.honest h3 { font-size: 22px; }
.honest ul { display: grid; gap: 10px; font-size: 16px; }
.honest li { padding-left: 22px; position: relative; color: var(--ink); }
.honest li::before { content: ""; position: absolute; left: 0; top: .66em; width: 10px; height: 2px; background: var(--ink-muted); }
@media (min-width: 900px) { .honest { grid-template-columns: 1fr 2fr; gap: 40px; padding: 36px; } }

/* ---------- Banda cruzada (otra audiencia) ---------- */
.cross { background: var(--surface-300); border-radius: var(--radius-xl); padding: 36px 28px; display: grid; gap: 20px; align-items: center; }
.cross h2 { font-size: clamp(26px, 3.4vw, 36px); }
.cross p { color: var(--ink-muted); margin-top: 10px; max-width: 52ch; }
@media (min-width: 900px) { .cross { grid-template-columns: 1fr auto; padding: 48px; } }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; font: 700 20px/1.3 var(--font-display); letter-spacing: -.01em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: translateY(-70%) rotate(45deg); transition: transform .2s ease; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .answer { padding: 0 0 24px; color: var(--ink-muted); max-width: 64ch; }

/* ---------- CTA final ---------- */
.cta { position: relative; overflow: hidden; }
.cta[data-theme="dark"] { background: var(--surface-200); }
.cta__bg { position: absolute; right: 0; top: 0; height: 100%; width: 60%; object-fit: cover; object-position: right; opacity: .5; pointer-events: none; }
.cta .wrap { position: relative; }
.cta h2 { font-size: clamp(36px, 6vw, 64px); max-width: 16ch; }
.cta h2 em { font-style: normal; color: var(--coral); }
.cta .lead { max-width: 48ch; }
.cta__mail { margin-top: 20px; font-size: 16px; color: var(--ink-muted); }
.cta__mail a { color: var(--ink); text-underline-offset: 4px; }

/* ---------- Pie ---------- */
.footer { background: var(--surface-100); border-top: 1px solid var(--line); padding: 40px 0 48px; font-size: 15px; color: var(--ink-muted); }
.footer .wrap { display: grid; gap: 24px; }
.footer img { height: 28px; width: auto; }
.footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer a { text-underline-offset: 4px; }
@media (min-width: 800px) { .footer .wrap { grid-template-columns: 1fr auto; align-items: center; } }

.draft { background: var(--warning-bg); color: var(--warning-fg); font: 500 14px/20px var(--font-sans); padding: 8px 20px; text-align: center; border-bottom: 1px solid var(--warning-fg); }

/* ---------- Cifras (sección de flujo para estudios) ---------- */
.flow { display: grid; gap: 16px; counter-reset: flow; }
@media (min-width: 900px) { .flow { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.flow__item { background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.flow__item .mono { font: 600 13px/16px var(--font-mono); color: var(--coral-text); letter-spacing: .08em; }
.flow__item h3 { font-size: 24px; margin: 12px 0 10px; letter-spacing: -.01em; }
.flow__item p { color: var(--ink-muted); font-size: 16px; }

.split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 4fr 7fr; gap: 64px; } .split--rev { grid-template-columns: 7fr 4fr; } .split--rev .split__text { order: 2; } }
.split__text p { color: var(--ink-muted); margin-top: 16px; max-width: 46ch; }
.split__text ul { margin-top: 20px; display: grid; gap: 10px; }
.split__text li { padding-left: 24px; position: relative; font-size: 16px; }
.split__text li::before { content: ""; position: absolute; left: 0; top: .6em; width: 12px; height: 7px; border-left: 2px solid var(--coral-text); border-bottom: 2px solid var(--coral-text); transform: rotate(-45deg) translateY(-50%); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ---------- Cifras de escala y notas ---------- */
.figures { display: grid; gap: 12px; margin: 0; }
@media (min-width: 720px) { .figures { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.figures > div { background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px 28px; }
.section--alt .figures > div { background: var(--surface-100); }
.figures dt { font: 500 14px/20px var(--font-sans); color: var(--ink-muted); margin: 0; }
.figures dd { margin: 8px 0 0; font: 600 clamp(34px, 5vw, 48px)/1.05 var(--font-mono); letter-spacing: -.03em; color: var(--ink); }
.note { margin-top: 20px; max-width: 78ch; font-size: 14px; line-height: 1.55; color: var(--ink-muted); }
.shots-note { margin-top: 28px; font-size: 14px; color: var(--ink-muted); }
.hero .shots-note { color: var(--ink-muted); }