/* ==========================================================
   BrachinuzzLabs — hoja de estilos
   Concepto: "la ruta". La línea de carretera de los afiches
   se vuelve el conector entre módulos y secciones.
   ========================================================== */
:root {
  /* Color: tinta azul marino de los afiches + señal ámbar de la línea de ruta */
  --bg: #f2f5f9;
  --surface: #ffffff;
  --surface-2: #e7edf5;
  --ink: #0f1d30;
  --muted: #4a5b72;
  --line: #c9d4e2;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --signal: #d99a12;
  --road: #1b2a40;
  --hero-bg: #0f1d30;
  --hero-ink: #e8eef8;
  --hero-muted: #a9b8cd;

  /* Tipografía */
  --f-display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", Consolas, "Courier New", monospace;

  --t-xs: .8rem; --t-sm: .92rem; --t-base: 1.05rem; --t-lg: 1.3rem;
  --t-xl: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem);
  --t-2xl: clamp(2.2rem, 1.4rem + 3.4vw, 3.8rem);

  --r: 10px;
  --max: 1160px;
  --shadow: 0 10px 30px rgba(15, 29, 48, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1422; --surface: #121f33; --surface-2: #182a43; --ink: #e6edf7; --muted: #9eafc6;
    --line: #26395a; --accent: #6ea8ff; --accent-ink: #08111e; --signal: #f2b634; --road: #e6edf7;
    --hero-bg: #070e19; --hero-ink: #e6edf7; --hero-muted: #9eafc6; --shadow: 0 10px 30px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1422; --surface: #121f33; --surface-2: #182a43; --ink: #e6edf7; --muted: #9eafc6;
  --line: #26395a; --accent: #6ea8ff; --accent-ink: #08111e; --signal: #f2b634; --road: #e6edf7;
  --hero-bg: #070e19; --hero-ink: #e6edf7; --hero-muted: #9eafc6; --shadow: 0 10px 30px rgba(0,0,0,.35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: var(--t-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

.wrap {
  width: 100%; max-width: var(--max); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.skip { position: absolute; left: 1rem; top: -100px; background: var(--signal); color: #111; padding: .6rem 1rem; z-index: 100; }
.skip:focus { top: 1rem; }

/* Etiqueta monoespaciada, como "Módulo 1" en los afiches */
.label {
  font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); font-weight: 600;
}

/* ---------- Cabecera ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--hero-bg); }
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: var(--hero-bg); color: var(--hero-ink);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: inherit; text-decoration: none; }
.brand img { width: 40px; height: auto; }
.brand b { font-family: var(--f-display); font-weight: 800; letter-spacing: .02em; font-size: 1.05rem; display: block; line-height: 1; }
.brand small { font-family: var(--f-mono); font-size: .68rem; color: var(--hero-muted); letter-spacing: .06em; }
.nav { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  color: var(--hero-muted); text-decoration: none; font-weight: 600; font-size: var(--t-sm);
  padding: .5rem .8rem; border-radius: 6px; display: block;
}
.nav a:hover { color: var(--hero-ink); background: rgba(255,255,255,.06); }
.nav a[aria-current="page"] { color: var(--hero-ink); box-shadow: inset 0 -2px 0 var(--signal); border-radius: 0; }
.top-actions { display: flex; align-items: center; gap: .5rem; }
.icon-btn {
  width: 2.5rem; height: 2.5rem; display: inline-grid; place-items: center; border-radius: 8px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); color: var(--hero-ink); cursor: pointer;
}
.menu-btn { display: none; }
@media (max-width: 860px) {
  .menu-btn { display: inline-grid; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column;
    background: var(--hero-bg); padding: .5rem max(16px, env(safe-area-inset-left, 0px)) 1rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .nav[hidden] { display: none !important; }
  .nav a { padding: .8rem .5rem; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--signal); }
}
@media (min-width: 861px) { .nav[hidden] { display: flex !important; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; min-height: 2.9rem; padding: .7rem 1.2rem;
  border-radius: 8px; font-weight: 700; font-size: var(--t-sm); text-decoration: none; border: 1px solid transparent;
  cursor: pointer; font-family: inherit; transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--signal); color: #1a1100; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { color: inherit; border-color: currentColor; background: transparent; }
.btn-accent { background: var(--accent); color: var(--accent-ink); }

/* ---------- Hero ---------- */
.hero { background: var(--hero-bg); color: var(--hero-ink); overflow: hidden; position: relative; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.hero h1 { font-size: var(--t-2xl); font-weight: 800; }
.hero h1 span { color: var(--signal); }
.hero p.lead { color: var(--hero-muted); font-size: 1.15rem; max-width: 56ch; margin-top: 1rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.hero .label { color: var(--signal); }
.hero-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; transform: rotate(-4deg); }
.hero-strip img { border-radius: 6px; box-shadow: 0 18px 40px rgba(0,0,0,.45); }
.hero-strip img:nth-child(2) { transform: translateY(-1.6rem); }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-strip { transform: none; grid-template-columns: repeat(3, 1fr); }
  .hero-strip img:nth-child(2) { transform: none; }
}

/* Encabezado de página interior */
.page-head { background: var(--hero-bg); color: var(--hero-ink); }
.page-head .wrap { padding-block: clamp(2rem, 5vw, 3.2rem); }
.page-head h1 { font-size: var(--t-xl); font-weight: 800; margin-top: .4rem; }
.page-head p { color: var(--hero-muted); max-width: 64ch; margin-top: .7rem; }
.page-head .label { color: var(--signal); }
.crumbs { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--hero-muted); }
.crumbs a { color: var(--hero-muted); }

/* ---------- Secciones ---------- */
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section-alt { background: var(--surface-2); }
.section-head { max-width: 62ch; display: grid; gap: .6rem; margin-bottom: 2rem; }
.section-head h2 { font-size: var(--t-xl); font-weight: 800; }
.section-head p { color: var(--muted); }

/* Línea de ruta (divisor) */
.road { height: 10px; background:
  linear-gradient(90deg, var(--signal) 0 40px, transparent 40px 64px) 0 50% / 64px 3px repeat-x, var(--road);
  opacity: .9; }

/* ---------- Grillas de tarjetas ---------- */
.grid { display: grid; gap: 1.2rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.4rem; display: flex; flex-direction: column; gap: .7rem; min-width: 0;
}
.card h3 { font-size: var(--t-lg); font-weight: 700; }
.card p { color: var(--muted); }
.card .more { margin-top: auto; font-weight: 700; text-decoration: none; }
.card-link { text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.card-link:hover { border-color: var(--accent); transform: translateY(-2px); }
.svc-ico { width: 2.6rem; height: 2.6rem; border-radius: 8px; display: grid; place-items: center; background: var(--surface-2); color: var(--accent); }

/* Tarjeta de curso con tira de afiches */
.course-card { padding: 0; overflow: hidden; }
.course-card .strip { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 3px; background: var(--road); aspect-ratio: 16 / 9; max-width: 100%; overflow: hidden; }
.course-card .strip img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.course-card .body { padding: 1.3rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.meta { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  font-family: var(--f-mono); font-size: .72rem; padding: .25rem .55rem; border-radius: 4px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--line);
}

/* ---------- Página de curso ---------- */
.course-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin-top: 1.6rem; }
.course-facts div { background: var(--surface); padding: 1rem 1.1rem; min-width: 0; }
.course-facts dt { font-family: var(--f-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.course-facts dd { margin: .2rem 0 0; font-weight: 700; }
@media (max-width: 700px) { .course-facts { grid-template-columns: 1fr 1fr; } }

/* Vista de la ruta completa: tira deslizable de afiches */
.route-strip {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(150px, 1fr); gap: 1rem;
  overflow-x: auto; padding: .5rem .2rem 1.2rem; scroll-snap-type: x mandatory;
}
.route-strip button {
  all: unset; cursor: zoom-in; scroll-snap-align: start; display: grid; gap: .5rem; min-width: 0;
}
.route-strip img { border-radius: 6px; box-shadow: var(--shadow); transition: transform .2s; aspect-ratio: 9 / 16; object-fit: cover; width: 100%; }
.route-strip button:hover img, .route-strip button:focus-visible img { transform: translateY(-4px); }
.route-strip span { font-size: var(--t-sm); font-weight: 600; line-height: 1.3; }
.route-strip span b { display: block; font-family: var(--f-mono); font-size: .7rem; color: var(--accent); letter-spacing: .06em; }

/* Línea de tiempo de módulos con línea de carretera */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 1.4rem; }
.timeline::before {
  content: ""; position: absolute; left: 21px; top: 0; bottom: 0; width: 10px; border-radius: 5px;
  background: linear-gradient(180deg, var(--signal) 0 18px, transparent 18px 30px) 50% 0 / 2px 30px repeat-y, var(--road);
}
.module { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 1rem; position: relative; }
.module-num {
  width: 52px; height: 52px; border-radius: 50%; background: var(--surface); border: 3px solid var(--road);
  display: grid; place-items: center; font-family: var(--f-mono); font-weight: 700; z-index: 1;
}
.module-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 1.3rem; padding: 1.2rem; min-width: 0;
}
.module-card .thumb { all: unset; cursor: zoom-in; display: block; }
.module-card .thumb img { border-radius: 6px; aspect-ratio: 9 / 16; object-fit: cover; width: 100%; box-shadow: var(--shadow); }
.module-card .thumb small { display: block; text-align: center; font-family: var(--f-mono); font-size: .68rem; color: var(--muted); margin-top: .35rem; }
.module-card h3 { font-size: var(--t-lg); font-weight: 700; margin-top: .25rem; }
.topics { list-style: none; padding: 0; margin: .9rem 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem 1.2rem; }
.topics li { padding-left: 1.2rem; position: relative; font-size: var(--t-sm); }
.topics li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 3px; background: var(--signal); }
.objective { margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed var(--line); }
.objective b { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: .3rem; }
.objective p { color: var(--muted); font-size: var(--t-sm); max-width: 70ch; }
@media (max-width: 680px) {
  .module { grid-template-columns: 40px minmax(0, 1fr); gap: .7rem; }
  .module-num { width: 40px; height: 40px; font-size: .85rem; }
  .timeline::before { left: 15px; }
  .module-card { grid-template-columns: 1fr; }
  .module-card .thumb { max-width: 140px; }
  .topics { grid-template-columns: 1fr; }
}

/* CTA */
.cta { background: var(--hero-bg); color: var(--hero-ink); }
.cta .wrap { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; justify-content: space-between; padding-block: 2.4rem; }
.cta h2 { font-size: var(--t-xl); font-weight: 800; }
.cta p { color: var(--hero-muted); margin-top: .3rem; }

/* ---------- Servicios ---------- */
.svc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 2rem; padding-block: 2rem; border-top: 1px solid var(--line); }
.svc:first-child { border-top: 0; padding-top: 0; }
.svc h2 { font-size: var(--t-xl); font-weight: 800; margin-top: .4rem; }
.svc .intro { color: var(--muted); margin-top: .7rem; }
.svc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.svc-cols h3 { font-size: var(--t-base); font-weight: 700; margin-bottom: .5rem; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: .5rem; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 1.8rem 1fr; gap: .4rem; font-size: var(--t-sm); }
.steps li::before { content: counter(s); font-family: var(--f-mono); font-weight: 700; color: var(--accent); }
.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: .45rem; }
.ticks li { padding-left: 1.2rem; position: relative; font-size: var(--t-sm); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 3px; background: var(--signal); }
@media (max-width: 820px) { .svc, .svc-cols { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .7rem; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 1rem 1.2rem; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin-top: .6rem; }

/* ---------- Nosotros ---------- */
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.values div { border-top: 3px solid var(--signal); padding-top: .8rem; }
.values b { font-family: var(--f-display); font-size: var(--t-lg); display: block; }
.values p { color: var(--muted); font-size: var(--t-sm); margin-top: .3rem; }
@media (max-width: 760px) { .values { grid-template-columns: 1fr 1fr; } }
.areas { display: flex; flex-wrap: wrap; gap: .5rem; }
.areas span { font-family: var(--f-mono); font-size: var(--t-sm); padding: .4rem .7rem; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 2rem; align-items: start; }
@media (max-width: 820px) { .contact { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.contact-list b { font-family: var(--f-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); display: block; }
.contact-list span, .contact-list a { font-weight: 700; font-size: 1.1rem; overflow-wrap: anywhere; }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 1.5rem; display: grid; gap: 1rem; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }
.field { display: grid; gap: .35rem; min-width: 0; }
.field label { font-weight: 700; font-size: var(--t-sm); }
.field label small { font-weight: 400; color: var(--muted); }
.field input, .field textarea, .field select {
  font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: .75rem .85rem; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.field textarea { min-height: 140px; resize: vertical; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.status { padding: .8rem 1rem; border-radius: 8px; font-weight: 700; font-size: var(--t-sm); background: var(--surface-2); }
.status.ok { border-left: 4px solid #2e9e5b; }
.status.err { border-left: 4px solid #d14343; }

/* ---------- Pie ---------- */
.foot { background: var(--hero-bg); color: var(--hero-muted); font-size: var(--t-sm); }
.foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; padding-block: 2.8rem 1.6rem; }
.foot h3 { color: var(--hero-ink); font-size: var(--t-base); margin-bottom: .7rem; }
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.foot a { color: var(--hero-muted); text-decoration: none; }
.foot a:hover { color: var(--hero-ink); text-decoration: underline; }
.foot .legal { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.2rem; font-family: var(--f-mono); font-size: .72rem; }
@media (max-width: 860px) { .foot .wrap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot .wrap { grid-template-columns: 1fr; } }

/* ---------- Visor de afiches ---------- */
.viewer { border: 0; padding: 0; background: transparent; max-width: min(94vw, 560px); max-height: 94vh; margin: auto; overflow: visible; }
.viewer::backdrop { background: rgba(5, 10, 18, .9); }
.viewer img { max-height: 84vh; width: auto; margin: 0 auto; border-radius: 8px; }
.viewer p { color: #e6edf7; text-align: center; margin-top: .6rem; font-weight: 700; }
.viewer .vbtn {
  position: fixed; width: 3rem; height: 3rem; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.25); cursor: pointer;
}
.viewer .v-close { top: calc(1rem + env(safe-area-inset-top, 0px)); right: calc(1rem + env(safe-area-inset-right, 0px)); }
.viewer .v-prev { left: calc(1rem + env(safe-area-inset-left, 0px)); top: 50%; }
.viewer .v-next { right: calc(1rem + env(safe-area-inset-right, 0px)); top: 50%; }
@media (max-width: 600px) {
  .viewer .v-prev, .viewer .v-next { top: auto; bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); }
}

/* WhatsApp flotante */
.wa {
  position: fixed; right: calc(1rem + env(safe-area-inset-right, 0px)); bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  width: 3.4rem; height: 3.4rem; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 8px 22px rgba(0,0,0,.3); z-index: 40;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
.head-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.4rem; }
.hero-title { margin-top: .6rem; }
.course-facts dd { color: var(--ink); }
.course-facts dt { color: var(--muted); }