:root {
  --navy: #14305f; --navy-2: #1d4585; --blue: #1e5cc6; --bg: #f4f6fa; --card: #fff; --ink: #1a2233; --muted: #5b6678;
  --line: #d9dfeb; --ok: #137a3d; --ok-bg: #e6f5ec; --err: #b3261e; --err-bg: #fdecea; --warn: #8a5a00; --warn-bg: #fff4d6;
  --code-bg: #0f172a; --code-ink: #e2e8f0;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 "Segoe UI", system-ui, sans-serif; }
a { color: var(--blue); }
.topbar { background: var(--navy); color: #fff; }
.topbar .in { max-width: 1100px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 24px; min-height: 56px; flex-wrap: wrap; }
.topbar a.brand { display: flex; align-items: center; gap: 14px; font-weight: 700; margin-right: auto; padding: 8px 0; border-bottom: 0; color: #fff; }
.brand img { height: 34px; width: auto; display: block; }
.brand span { padding-left: 14px; border-left: 1px solid #ffffff55; font-size: .95rem; }
.topbar a { color: #dbe6ff; text-decoration: none; padding: 18px 2px 14px; border-bottom: 3px solid transparent; }
.topbar a:hover, .topbar a.on { color: #fff; border-bottom-color: #7fb0ff; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { color: var(--navy-2); font-size: 2rem; margin: .2em 0 .3em; }
h1 .n { color: var(--blue); margin-right: .3em; }
h2 { font-size: 1.15rem; margin: 1.4em 0 .5em; color: var(--navy); }
.lead { color: var(--muted); max-width: 70ch; margin-top: 0; }
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--line); margin: 20px 0 0; overflow-x: auto; }
.tabs button { background: none; border: 0; padding: 10px 16px; font: inherit; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; white-space: nowrap; }
.tabs button:hover { color: var(--navy); }
.tabs button[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }
.panel { background: var(--card); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 10px 10px; padding: 20px; }
.panel[hidden] { display: none; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }
label.cap { display: block; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
textarea, pre.code, pre.out { width: 100%; margin: 0; border-radius: 8px; font: 14px/1.5 ui-monospace, "Cascadia Code", Consolas, monospace; tab-size: 2; }
textarea { min-height: 330px; padding: 12px; border: 1px solid var(--line); background: #fbfcfe; color: var(--ink); resize: vertical; }
textarea:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible { outline: 3px solid #7fb0ff; outline-offset: 2px; }
pre.code { background: var(--code-bg); color: var(--code-ink); padding: 14px; overflow: auto; max-height: 520px; white-space: pre; }
pre.out { background: #0b0f14; color: #7CFC9A; padding: 14px; min-height: 64px; overflow: auto; white-space: pre-wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--blue); color: #fff; border: 0; border-radius: 8px; padding: 10px 20px; font: 600 1rem inherit; cursor: pointer; text-decoration: none; }
.btn:hover { background: #174fae; }
.btn:disabled { opacity: .55; cursor: wait; }
.btn.ghost { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
.btn.ghost:hover { background: #eef4ff; }
.btn.go { background: var(--ok); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 12px 0; }
.diag { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.diag li { padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.diag .e { background: var(--err-bg); color: var(--err); }
.diag .w { background: var(--warn-bg); color: var(--warn); }
.diag .o { background: var(--ok-bg); color: var(--ok); }
.diag b { font-weight: 700; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; position: sticky; top: 0; background: var(--card); }
td code, p code, li code { background: #eef2fa; padding: 1px 6px; border-radius: 5px; font-size: .9em; }
.scroll { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
.steps { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0 14px; }
.step { padding: 4px 12px; border-radius: 999px; font-size: .85rem; background: #eef2fa; color: var(--muted); }
.step.ok { background: var(--ok-bg); color: var(--ok); }
.step.bad { background: var(--err-bg); color: var(--err); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; text-decoration: none; color: inherit; display: block; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--blue); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; color: var(--navy-2); }
.card .tag { font-size: .78rem; font-weight: 700; color: var(--blue); letter-spacing: .06em; text-transform: uppercase; }
.mini { width: 220px; padding: 10px; border-radius: 12px; font-family: "Segoe UI", sans-serif; }
.mini .d { border-radius: 8px; padding: 6px 10px; text-align: right; font-size: 1.3rem; font-weight: 600; margin-bottom: 8px; }
.mini .g { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.mini .g b { border-radius: 6px; text-align: center; padding: 5px 0; font-size: .8rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 600; }
iframe.live { width: 100%; height: 680px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.note { background: #eef4ff; border-left: 4px solid var(--blue); padding: 10px 14px; border-radius: 6px; font-size: .93rem; }
.hint { color: var(--muted); font-size: .88rem; }
.sw { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: -2px; border: 1px solid #0003; margin-right: 6px; }

/* ───── Portada ───── */
.hero { background: radial-gradient(1200px 400px at 85% -10%, #2f6fe0 0%, transparent 60%), linear-gradient(135deg, #0f2750 0%, #14305f 55%, #1d4585 100%); color: #fff; }
.hero .in { max-width: 1100px; margin: 0 auto; padding: 56px 16px 64px; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #a9c8ff; background: #ffffff1a; padding: 6px 14px; border-radius: 999px; }
.hero h1 { color: #fff; font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1.1; margin: 18px 0 14px; letter-spacing: -.02em; max-width: 18ch; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #7fd1ff, #9cf0c2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 1.15rem; line-height: 1.65; color: #d6e3fb; max-width: 56ch; margin: 0 0 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn.light { background: #fff; color: var(--navy); }
.btn.light:hover { background: #e8f0ff; }
.btn.outline { background: transparent; color: #fff; border: 1px solid #ffffff80; }
.btn.outline:hover { background: #ffffff1a; }
.section { max-width: 1100px; margin: 0 auto; padding: 48px 16px 8px; }
.section > h2 { font-size: 1.6rem; margin: 0 0 6px; color: var(--navy); letter-spacing: -.01em; }
.section > .sub { color: var(--muted); margin: 0 0 28px; font-size: 1.05rem; }

.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: s; }
.pipeline li { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 16px 16px; counter-increment: s; box-shadow: 0 1px 2px #1a22330d; }
.pipeline li::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 12px; }
.pipeline li.t11::before { background: #1e5cc6; } .pipeline li.t4::before { background: #0f8a5f; }
.pipeline li.end::before { background: #7a3fd0; }
.pipeline li:not(:last-child)::after { content: ""; position: absolute; top: 34px; left: calc(100% - 2px); width: 18px; height: 2px; background: var(--line); }
.pipeline h3 { margin: 0 0 4px; font-size: 1.02rem; color: var(--ink); }
.pipeline p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.45; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip { font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: #eef2fa; color: var(--navy-2); }
.chip.g { background: var(--ok-bg); color: var(--ok); } .chip.p { background: #f1e8fc; color: #6a2fb8; }
@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr; gap: 0; padding-left: 4px; }
  .pipeline li { border: 0; box-shadow: none; background: transparent; padding: 0 0 26px 58px; border-radius: 0; }
  .pipeline li::before { position: absolute; left: 0; top: 0; margin: 0; width: 40px; height: 40px; font-size: 1.05rem; box-shadow: 0 0 0 5px var(--bg); }
  .pipeline li:not(:last-child)::after { top: 40px; bottom: 0; left: 19px; width: 2px; height: auto; }
  .pipeline h3 { font-size: 1.1rem; padding-top: 8px; } .pipeline p { font-size: .95rem; }
}
.topics { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.topic { position: relative; overflow: hidden; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 10px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.topic:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: 0 12px 30px #14305f1f; }
.topic .num { position: absolute; right: 18px; top: -6px; font-size: 6rem; font-weight: 800; line-height: 1; color: #1e5cc614; letter-spacing: -.04em; }
.topic.t4 .num { color: #0f8a5f14; }
.topic .tag { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }
.topic.t4 .tag { color: #0f8a5f; }
.topic h3 { margin: 0; font-size: 1.35rem; color: var(--navy); max-width: 80%; }
.topic p { margin: 0; color: var(--muted); }
.topic .go { margin-top: auto; padding-top: 10px; font-weight: 700; color: var(--blue); }
.topic.t4 .go { color: #0f8a5f; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; padding-bottom: 56px; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.fact b { display: block; font-size: 1.05rem; color: var(--navy); margin-bottom: 2px; }
.fact span { color: var(--muted); font-size: .92rem; }
.pipeline.compact { margin: 14px 0 20px; }
@media (max-width: 560px) {
  .hero .in { padding: 36px 16px 44px; }
  .hero .cta .btn { flex: 1 1 100%; justify-content: center; }
  .topic { padding: 22px; }
}

.team { display: flex; gap: 14px; flex-wrap: wrap; }
.member { display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 22px 14px 14px; }
.member b { font-size: 1.1rem; color: var(--navy); }
.avatar { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, #1e5cc6, #0f8a5f); color: #fff; font-weight: 700; letter-spacing: .02em; }
@media (max-width: 560px) { .member { flex: 1 1 100%; } }

.hero .course { margin-top: 14px; font-size: 1.05rem; font-weight: 600; color: #cfe0ff; }
@media (max-width: 560px) { .brand img { height: 28px; } .brand span { font-size: .85rem; padding-left: 10px; } }

/* ───── Documentación ───── */
.doc-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; align-items: start; margin-top: 24px; }
.toc { position: sticky; top: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 2px; }
.toc b { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.toc a { color: var(--ink); text-decoration: none; padding: 6px 8px; border-radius: 6px; font-size: .92rem; }
.toc a:hover { background: #eef4ff; color: var(--blue); }
.doc { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px 28px 28px; min-width: 0; }
.doc h2 { scroll-margin-top: 16px; font-size: 1.4rem; margin: 1.8em 0 .5em; padding-bottom: 8px; border-bottom: 2px solid var(--line); }
.doc h3 { font-size: 1.05rem; color: var(--navy-2); margin: 1.4em 0 .5em; }
.doc pre.code { margin: 12px 0; font-size: 13px; }
.doc li { margin: 4px 0; }
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .toc { position: static; grid-template-columns: 1fr 1fr; }
  .toc b { grid-column: 1 / -1; }
  .doc { padding: 4px 16px 20px; }
}