@font-face { font-family: "Inter"; src: url("fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-style: normal; font-display: swap; }

:root {
  --blue: #1b3a6b; --blue-dark: #12294d; --teal: #0d9488; --teal-dark: #0f766e; --amber: #f59e0b;
  --paper: #f5f8fa; --ink: #0e1b2e; --slate: #52627a; --mint: #d9f1ee; --rule: rgba(14, 27, 46, 0.16);
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6; }
a { color: var(--teal-dark); text-underline-offset: 3px; }
a:hover { color: var(--blue); }
a:focus-visible, summary:focus-visible, .btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.wrap { width: 100%; max-width: 70rem; margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 46rem; }
.center { text-align: center; margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; padding: 0.5rem 1rem; background: var(--ink); color: var(--paper); }

h1, h2, h3 { margin: 0; letter-spacing: -0.03em; line-height: 1.1; }
h1 { font-weight: 750; font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3 { font-weight: 650; font-size: 1.2rem; letter-spacing: -0.015em; }
p { margin: 0 0 1rem; }

/* Cabecera */
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 1.1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--ink); font-weight: 750; font-size: 1.35rem; letter-spacing: -0.03em; text-decoration: none; }
.brand img { display: block; width: 2.2rem; height: 2.2rem; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.nav a:not(.btn) { color: var(--ink); font-weight: 500; font-size: 0.97rem; text-decoration: none; }
.nav a:not(.btn):hover { text-decoration: underline; }
.btn { display: inline-block; padding: 0.85rem 1.4rem; border-radius: 8px; background: var(--blue); color: #fff; font-weight: 600; font-size: 1rem; line-height: 1.2; text-decoration: none; }
.btn:hover { background: var(--blue-dark); color: #fff; }
.btn--small { padding: 0.55rem 1rem; font-size: 0.92rem; }
.btn--ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 1.5px var(--blue); }
.btn--ghost:hover { background: var(--mint); color: var(--blue-dark); }
.btn--amber { background: var(--amber); color: var(--ink); }
.btn--amber:hover { background: #fbbf4a; color: var(--ink); }

/* Portada */
.hero { text-align: center; padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 5vw, 3.5rem); background-image: radial-gradient(rgba(14, 27, 46, 0.08) 1px, transparent 1px); background-size: 22px 22px; }
.eyebrow { display: inline-block; margin: 0 0 1.25rem; padding: 0.25rem 0.8rem; border-radius: 999px; background: var(--amber); color: var(--ink); font-weight: 650; font-size: 0.85rem; }
.hero h1 { max-width: 17em; margin-inline: auto; color: var(--blue); }
.lead { max-width: 40rem; margin: 1.5rem auto 0; font-size: 1.2rem; color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.9rem 1rem; margin-top: 2rem; }

/* Maqueta */
.stage-wrap { max-width: 50rem; margin: 3rem auto 0; text-align: left; }
.stage { position: relative; padding: clamp(1rem, 3vw, 1.75rem); border-radius: 22px; background: linear-gradient(150deg, var(--teal) 0%, #0b4f5a 45%, var(--blue-dark) 100%); box-shadow: 0 30px 60px -28px rgba(14, 27, 46, 0.6); overflow: hidden; }
.stage::before { content: ""; position: absolute; right: -70px; top: -70px; width: 190px; height: 190px; border-radius: 50%; background: var(--amber); }
.stage-note { margin: 0.75rem 0 0; color: var(--slate); font-size: 0.875rem; text-align: center; }
.app { position: relative; background: #fff; border-radius: 12px; box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.5); font-size: 0.8125rem; line-height: 1.35; overflow: hidden; }
.app-bar { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.85rem; background: var(--paper); border-bottom: 1px solid var(--rule); }
.dots { display: inline-flex; gap: 0.3rem; }
.dots i { display: block; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: rgba(14, 27, 46, 0.2); }
.app-title { font-weight: 600; color: var(--slate); }
.app-body { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); }
.side { margin: 0; padding: 0.8rem 0.5rem; list-style: none; background: #fafcfd; border-right: 1px solid var(--rule); }
.side li { padding: 0.4rem 0.6rem; border-radius: 6px; color: var(--slate); font-weight: 500; }
.side li.on { background: var(--mint); color: var(--teal-dark); font-weight: 650; }
.main { padding: 0.85rem 0.9rem 1rem; min-width: 0; }
.main-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.7rem; font-size: 0.9rem; }
.badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--mint); color: var(--teal-dark); font-weight: 650; font-size: 0.72rem; }
.badge::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--teal); }
.grid { width: 100%; border-collapse: collapse; }
.grid th { text-align: left; padding: 0.3rem 0.4rem 0.4rem 0; color: var(--slate); font-weight: 600; font-size: 0.72rem; border-bottom: 1px solid var(--rule); }
.grid td { padding: 0.5rem 0.4rem 0.5rem 0; border-bottom: 1px solid rgba(14, 27, 46, 0.07); white-space: nowrap; }
.grid .r { text-align: right; padding-right: 0.7rem; font-family: var(--mono); font-size: 0.78rem; }
.grid code, .chain code { font-family: var(--mono); font-size: 0.72rem; padding: 0.1rem 0.35rem; border-radius: 4px; background: var(--paper); color: var(--teal-dark); }
.chip { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: 0.7rem; font-weight: 650; }
.chip--ok { background: var(--mint); color: var(--teal-dark); }
.chip--pend { background: #fdf0d1; color: #7a4b00; }
@media (max-width: 40rem) { .app-body { grid-template-columns: 1fr; } .side { display: none; } .grid .hash, .grid .est { display: none; } }

/* Secciones */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.band-mint { background: var(--mint); }
.band-blue { background: var(--blue); color: #fff; }
.band-blue h2 { color: #fff; }
.section-intro { max-width: 38rem; margin: 1rem auto 0; color: var(--slate); }
.band-blue .section-intro { color: rgba(255, 255, 255, 0.85); }
.cards { display: grid; gap: 1.25rem; margin-top: 2.5rem; }
.card { padding: 1.4rem 1.4rem 1.2rem; border: 1px solid var(--rule); border-radius: 16px; background: #fff; box-shadow: 0 18px 36px -30px rgba(14, 27, 46, 0.6); }
.card h3 { margin-bottom: 0.5rem; color: var(--blue); }
.card p { margin: 0; color: var(--slate); font-size: 1rem; line-height: 1.55; }
.card .n { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; margin-bottom: 0.9rem; border-radius: 50%; background: var(--teal-dark); color: #fff; font-weight: 700; font-size: 0.85rem; }
@media (min-width: 40rem) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 62rem) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.chain-title { margin: 3rem 0 0; text-align: center; font-weight: 650; font-size: 1.25rem; letter-spacing: -0.015em; }
.chain { display: grid; gap: 1.5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.chain li { position: relative; padding: 1rem 1.1rem; border: 1.5px solid var(--teal-dark); border-radius: 10px; background: #fff; box-shadow: 0 10px 20px -14px rgba(14, 27, 46, 0.5); }
.chain li + li::before { content: ""; position: absolute; top: -1.5rem; left: 1.5rem; width: 1.5px; height: 1.5rem; background: var(--teal-dark); }
.chain li + li::after { content: ""; position: absolute; top: -1.1rem; left: 1.15rem; width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--amber); }
.chain strong { display: block; font-size: 1.05rem; }
.chain span { display: block; color: var(--slate); font-size: 0.9rem; line-height: 1.4; }
.chain code { display: inline-block; margin-top: 0.5rem; background: var(--mint); }
.chain-note { max-width: 40rem; margin: 1.25rem auto 0; color: var(--slate); font-size: 0.98rem; text-align: center; }
@media (min-width: 48rem) {
  .chain { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
  .chain li + li::before { top: 50%; left: -2rem; width: 2rem; height: 1.5px; }
  .chain li + li::after { top: calc(50% - 0.35rem); left: -1.35rem; }
}

.roadmap { display: grid; gap: 0.9rem; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.roadmap li { display: flex; align-items: flex-start; gap: 0.9rem; padding: 1rem 1.2rem; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 12px; background: rgba(255, 255, 255, 0.07); }
.roadmap .tag { flex: none; margin-top: 0.15rem; padding: 0.15rem 0.6rem; border-radius: 999px; background: var(--amber); color: var(--ink); font-weight: 700; font-size: 0.72rem; white-space: nowrap; }
.note { max-width: 44rem; margin: 2rem auto 0; padding: 1rem 1.2rem; border-left: 4px solid var(--amber); background: rgba(255, 255, 255, 0.1); font-size: 0.98rem; }
.note a { color: #fff; }

.pilot { display: grid; gap: 1.25rem; margin-top: 2.5rem; text-align: left; }
.pilot > div { padding: 1.4rem; border-radius: 16px; background: #fff; border: 1px solid var(--rule); }
.pilot h3 { margin-bottom: 0.5rem; color: var(--blue); }
.pilot p { margin: 0; color: var(--slate); }
@media (min-width: 48rem) { .pilot { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.cta-row { margin-top: 2.25rem; }

.faq { margin-top: 2.5rem; border-bottom: 1px solid var(--rule); text-align: left; }
.faq details { border-top: 1px solid var(--rule); }
.faq summary { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.15rem; font-weight: 650; font-size: 1.1rem; letter-spacing: -0.01em; list-style: none; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; font-size: 1.5rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { max-width: 40rem; margin: 0 0 1.2rem; color: var(--slate); }

.footer { padding-block: 2rem; color: var(--slate); font-size: 0.92rem; }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 2rem; }
.footer p { margin: 0; }
.footer ul { display: flex; gap: 1.5rem; margin: 0; padding: 0; list-style: none; }
.footer a { color: var(--ink); }

/* Legales */
.legal { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.legal h1 { max-width: 20em; font-size: clamp(2rem, 5vw, 3rem); color: var(--blue); }
.legal .updated { margin: 1rem 0 0; color: var(--slate); font-size: 0.95rem; }
.legal-body { max-width: 44rem; margin-top: 2.5rem; }
.legal-body h2 { margin: 2.5rem 0 0.75rem; font-size: clamp(1.3rem, 2.6vw, 1.6rem); }
.legal-body p, .legal-body ul { margin: 0 0 1rem; }
.legal-body ul { padding-left: 1.25rem; }
.legal-body dl { margin: 0 0 1rem; }
.legal-body dt { margin-top: 0.9rem; font-weight: 650; }
.legal-body dd { margin: 0; }
.legal-body table { width: 100%; margin: 0 0 1rem; border-collapse: collapse; font-size: 0.98rem; }
.legal-body th, .legal-body td { padding: 0.75rem 0.75rem 0.75rem 0; border-top: 1px solid var(--rule); text-align: left; vertical-align: top; }
.legal-body tr:last-child td { border-bottom: 1px solid var(--rule); }
.back { display: inline-block; margin-bottom: 1.5rem; font-weight: 500; }
@media (max-width: 40rem) {
  .legal-body table, .legal-body tbody, .legal-body tr, .legal-body td, .legal-body th { display: block; }
  .legal-body thead { position: absolute; left: -999px; }
  .legal-body tr { padding-block: 0.75rem; border-top: 1px solid var(--rule); }
  .legal-body td { padding: 0.2rem 0; border: 0; }
  .legal-body tr:last-child td { border-bottom: 0; }
}