/* Layout: oscuro, una columna centrada de 1200px; héroe partido texto / escenario 3D; tarjetas solo donde hay objetos comprables. */
:root {
  --bg: #08090c;
  --surface: #111318;
  --surface-2: #171a21;
  --line: #242833;
  --fg: #eef0f4;
  --muted: #8d94a3;
  --lime: #d6ff4a;
  --lime-ink: #0d1102;
  --violet: #8b7bff;
  --pink: #ff7ac2;
  --danger: #ff6b6b;
  --f-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --f-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --r: 14px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 5.4vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); }
h3, .h3 { font-size: 1.2rem; }
.h4 { font-size: 1rem; }
p { margin: 0; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.fine { color: var(--muted); font-size: .82rem; margin-top: 12px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.eyebrow { font-family: var(--f-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: var(--lime); }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--gutter); }
.sel { user-select: all; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; border-radius: 6px; }

.glow {
  position: fixed; inset: -20vh 0 auto auto; width: 60vw; height: 70vh; pointer-events: none; z-index: 0;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--violet) 22%, transparent), transparent 70%);
  filter: blur(20px);
}
main, .footer, .topbar { position: relative; z-index: 1; }

/* ---------- Topbar ---------- */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--f-display); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.03em; }
.logo svg { width: 28px; height: 28px; }
.logo em { font-style: normal; color: var(--muted); font-weight: 500; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 999px; font-weight: 600; font-size: .92rem; transition: color .2s, background .2s; }
.nav a:hover { color: var(--fg); }
.nav a.active { color: var(--fg); background: var(--surface-2); }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.cart-btn, .icon-btn { position: relative; background: var(--surface); border: 1px solid var(--line); color: var(--fg); width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; }
.cart-btn svg { width: 20px; height: 20px; }
.cart-count { position: absolute; top: -4px; right: -4px; background: var(--lime); color: var(--lime-ink); font: 700 .7rem/18px var(--f-mono); min-width: 18px; height: 18px; border-radius: 9px; text-align: center; padding-inline: 4px; }
.menu-btn { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; justify-content: center; gap: 6px; padding: 10px; }
.menu-btn span { display: block; height: 2px; background: var(--fg); border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font: 700 .95rem var(--f-body); text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .2s, background .2s; }
.btn:active { transform: translateY(1px); }
.btn-lime { background: var(--lime); color: var(--lime-ink); box-shadow: 0 0 0 0 color-mix(in srgb, var(--lime) 40%, transparent); }
.btn-lime:hover { box-shadow: 0 0 32px -4px color-mix(in srgb, var(--lime) 55%, transparent); }
.btn-ghost { background: var(--surface); color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-sm { padding: 9px 16px; font-size: .85rem; }
.w100 { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Hero ---------- */
.view { padding-block: 40px 96px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 96px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-top: 24px; }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.chip { display: inline-flex; align-items: center; gap: 8px; width: fit-content; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font: 500 .8rem var(--f-mono); color: var(--muted); background: var(--surface); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.grad { background: linear-gradient(92deg, var(--lime), #7dffb5 35%, var(--violet) 70%, var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 8px 0 0; border-top: 1px solid var(--line); }
.specs div { padding: 14px 12px 0 0; }
.specs dt { font: 500 .7rem var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.specs dd { margin: 4px 0 0; font: 700 1.35rem var(--f-display); font-variant-numeric: tabular-nums; }
.specs small { font: 500 .75rem var(--f-mono); color: var(--muted); }
.hero-stage { position: relative; aspect-ratio: 1 / 1; max-width: 100%; border-radius: 28px; border: 1px solid var(--line); overflow: hidden;
  background: radial-gradient(60% 60% at 50% 45%, color-mix(in srgb, var(--violet) 18%, var(--surface)), var(--bg));
}
.hero-stage canvas, .viewer canvas { width: 100%; height: 100%; display: block; }
.hero-stage::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px; opacity: .25; mask-image: linear-gradient(to top, #000 0%, transparent 45%); }
.stage-tag { position: absolute; font: 500 .75rem var(--f-mono); color: var(--muted); background: color-mix(in srgb, var(--bg) 70%, transparent); border: 1px solid var(--line); padding: 6px 10px; border-radius: 999px; display: flex; align-items: center; gap: 6px; z-index: 2; }
.stage-tag.tl { top: 16px; left: 16px; } .stage-tag.br { bottom: 16px; right: 16px; }
.sw { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }

/* ---------- Sections ---------- */
.section-head { display: grid; gap: 10px; margin-bottom: 28px; max-width: 720px; }
.page-head { display: grid; gap: 14px; margin-bottom: 36px; max-width: 760px; }
.verticals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.vcard { position: relative; display: grid; gap: 12px; align-content: start; padding: 28px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); text-decoration: none; transition: border-color .2s, transform .2s; overflow: hidden; }
.vcard:hover { border-color: color-mix(in srgb, var(--lime) 50%, var(--line)); transform: translateY(-3px); }
.vcard p { color: var(--muted); }
.vtag { font: 500 .72rem var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--violet); }
.arrow { font-weight: 700; color: var(--lime); margin-top: 6px; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.mat-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.mat-table th, .mat-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.mat-table th { font: 500 .72rem var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); background: var(--surface); }
.mat-table tr:last-child td { border-bottom: 0; }
.mat-table td:first-child { font-weight: 700; white-space: nowrap; }
.mat-table td.num { font-family: var(--f-mono); text-align: right; white-space: nowrap; }
.pill { display: inline-block; font: 600 .7rem var(--f-mono); padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.pill.ok { color: var(--lime); border-color: color-mix(in srgb, var(--lime) 40%, transparent); }

.step-list { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 0; margin: 0; }
.step-list li { counter-increment: s; display: grid; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line); }
.step-list li::before { content: "0" counter(s); font: 600 .8rem var(--f-mono); color: var(--lime); }
.step-list span { color: var(--muted); font-size: .95rem; }

/* ---------- Shop ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filters button { background: var(--surface); border: 1px solid var(--line); color: var(--muted); padding: 8px 14px; border-radius: 999px; font: 600 .85rem var(--f-body); cursor: pointer; }
.filters button[aria-selected="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.grid-products { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.product { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; min-width: 0; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); overflow: hidden; transition: border-color .2s; }
.product:hover { border-color: color-mix(in srgb, var(--violet) 60%, var(--line)); }
.p-art { aspect-ratio: 4 / 3; max-width: 100%; display: grid; place-items: center; background: radial-gradient(70% 70% at 50% 40%, var(--surface-2), var(--bg)); border-bottom: 1px solid var(--line); }
.p-art svg { width: 58%; height: 70%; }
.p-art { overflow: hidden; }
.p-art img { width: 100%; height: 100%; min-width: 0; object-fit: cover; background: #e9e8e6; }
.p-body { display: grid; gap: 8px; padding: 18px; align-content: start; }
.p-cat { font: 500 .7rem var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--violet); }
.p-body h3 { font-size: 1.02rem; font-family: var(--f-body); font-weight: 700; letter-spacing: 0; }
.p-body p { color: var(--muted); font-size: .9rem; }
.p-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; }
.price { font: 700 1.15rem var(--f-mono); font-variant-numeric: tabular-nums; }

/* ---------- Quote ---------- */
.quote { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.quote-left { display: grid; gap: 16px; min-width: 0; }
.drop { display: grid; justify-items: center; gap: 6px; padding: 24px; border: 1.5px dashed var(--line); border-radius: var(--r); cursor: pointer; text-align: center; background: var(--surface); transition: border-color .2s, background .2s; }
.drop svg { width: 28px; height: 28px; color: var(--lime); }
.drop span { color: var(--muted); font: 500 .8rem var(--f-mono); }
.drop.over { border-color: var(--lime); background: color-mix(in srgb, var(--lime) 6%, var(--surface)); }
.viewer { position: relative; aspect-ratio: 16 / 11; max-width: 100%; border-radius: var(--r); border: 1px solid var(--line); overflow: hidden; background: radial-gradient(60% 70% at 50% 40%, var(--surface-2), var(--bg)); cursor: grab; }
.viewer-info { position: absolute; left: 12px; right: 12px; bottom: 12px; display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: .8rem; color: var(--muted); }
.viewer-info .mono { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.badge { font: 600 .7rem var(--f-mono); padding: 3px 9px; border-radius: 999px; background: var(--violet); color: var(--bg); white-space: nowrap; }
.badge.real { background: var(--lime); color: var(--lime-ink); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.metrics div { padding: 12px 14px; display: grid; gap: 2px; border-right: 1px solid var(--line); min-width: 0; }
.metrics div:last-child { border-right: 0; }
.metrics span { font: 500 .68rem var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.metrics b { font: 600 .95rem var(--f-mono); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.step-manual { padding: 16px; border: 1px solid var(--violet); border-radius: var(--r); display: grid; gap: 12px; font-size: .92rem; }
.quote-right { display: grid; gap: 16px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; position: sticky; top: calc(80px + env(safe-area-inset-top, 0px)); }
.field { display: grid; gap: 6px; min-width: 0; }
.field label, .row3 label { font-weight: 600; font-size: .88rem; display: flex; justify-content: space-between; gap: 8px; }
.row3 label { display: grid; color: var(--muted); }
.hint { color: var(--muted); font-size: .8rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
input, select, textarea { width: 100%; font: 500 .95rem var(--f-body); color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--lime); }
input[type="range"] { padding: 0; accent-color: var(--lime); background: transparent; border: 0; height: 28px; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--lime); flex: none; margin-top: 2px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--muted); cursor: pointer; }
.scale { display: flex; justify-content: space-between; font-size: .68rem; color: var(--muted); }
output { color: var(--lime); }
.breakdown, .sum { display: grid; gap: 8px; padding-top: 16px; border-top: 1px dashed var(--line); }
.breakdown div, .sum div { display: flex; justify-content: space-between; gap: 12px; font-size: .92rem; }
.breakdown span, .sum span { color: var(--muted); }
.breakdown b, .sum b { font-family: var(--f-mono); font-weight: 600; font-variant-numeric: tabular-nums; }
.breakdown .total, .sum .total { padding-top: 10px; margin-top: 4px; border-top: 1px solid var(--line); align-items: baseline; }
.breakdown .total span, .sum .total span { color: var(--fg); font-weight: 700; }
.breakdown .total b { font: 800 1.7rem var(--f-display); color: var(--lime); }
.sum .total b { font-size: 1.2rem; color: var(--lime); }
.quote-actions { display: grid; gap: 10px; }

/* ---------- Courses ---------- */
.courses { display: grid; gap: 16px; }
.course { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); overflow: hidden; }
.course-head { display: grid; grid-template-columns: 1fr auto; gap: 16px 24px; padding: 24px; align-items: start; }
.course-head p { color: var(--muted); margin-top: 8px; max-width: 62ch; }
.course-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.course-buy { display: grid; gap: 10px; justify-items: end; }
.course-buy .price { font-size: 1.3rem; }
.free { color: var(--lime); }
.modules { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.modules li { border-bottom: 1px solid var(--line); }
.modules li:last-child { border-bottom: 0; }
.modules details summary { list-style: none; display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 14px 24px; cursor: pointer; }
.modules details summary::-webkit-details-marker { display: none; }
.modules summary .n { font: 600 .8rem var(--f-mono); color: var(--violet); }
.modules summary .t { font-weight: 600; }
.modules summary .d { font: 500 .78rem var(--f-mono); color: var(--muted); white-space: nowrap; }
.mod-body { padding: 0 24px 18px 60px; display: grid; gap: 10px; }
.dl-list { display: flex; flex-wrap: wrap; gap: 8px; }
.dl { display: inline-flex; align-items: center; gap: 8px; font: 500 .8rem var(--f-mono); padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); text-decoration: none; }
.dl.locked { color: var(--muted); cursor: not-allowed; }
.dl:not(.locked):hover { border-color: var(--lime); }

/* ---------- Library ---------- */
.lib-tools { margin-bottom: 16px; max-width: 480px; }
.lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.lib-item { display: grid; grid-template-columns: 56px 1fr; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
.lib-ico { width: 56px; height: 56px; border-radius: 10px; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line); font: 700 .7rem var(--f-mono); color: var(--lime); }
.lib-item h3 { font: 700 .95rem var(--f-body); letter-spacing: 0; }
.lib-item p { font-size: .8rem; color: var(--muted); }
.lib-item .row { display: flex; gap: 10px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.lib-item a { font: 600 .8rem var(--f-mono); color: var(--lime); text-decoration: none; }
.lib-split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; margin-top: 56px; align-items: start; }
.lib-split > div { display: grid; gap: 12px; min-width: 0; }
.repo-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.repo-list li { border-top: 1px solid var(--line); padding: 12px 0; }
.repo-list a { font-weight: 700; text-decoration: none; }
.repo-list a:hover { color: var(--lime); }
.repo-list span { display: block; color: var(--muted); font-size: .85rem; }
.upload-card, .advice-form { display: grid; gap: 14px; padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.form-msg { font-size: .88rem; color: var(--lime); min-height: 1.2em; }
.form-msg.err { color: var(--danger); }

/* ---------- Advice ---------- */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); margin-bottom: 40px; }
.services article { padding: 22px 22px 22px 0; display: grid; gap: 10px; align-content: start; }
.services article + article { padding-left: 22px; border-left: 1px solid var(--line); }
.services p { color: var(--muted); font-size: .92rem; }
.services b { color: var(--lime); font-size: .9rem; }
.advice-form { max-width: 720px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 48px 32px; background: var(--surface); }
.foot-in { display: grid; grid-template-columns: 1.3fr 1.4fr 1fr; gap: 32px; }
.foot-in > div { display: grid; gap: 10px; align-content: start; min-width: 0; }
.foot-col h4 { font: 600 .75rem var(--f-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.foot-col a { text-decoration: none; color: var(--fg); }
.foot-col a:hover { color: var(--lime); }
.foot-col p { font-size: .92rem; overflow-wrap: anywhere; }
.copy { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 6px; font: 500 .7rem var(--f-mono); padding: 2px 6px; cursor: pointer; margin-left: 4px; }
.legal { margin-top: 32px; font-size: .78rem; }

.wa-float { position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; z-index: 30; box-shadow: 0 10px 30px -8px rgba(0,0,0,.6); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- Drawer ---------- */
.drawer-back { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 40; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 100%); background: var(--surface); border-left: 1px solid var(--line); z-index: 41; display: grid; grid-template-rows: auto 1fr; padding-top: env(safe-area-inset-top, 0px); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.drawer-body { overflow-y: auto; padding: 20px; display: grid; gap: 18px; align-content: start; padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }
.cart-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.cart-list li { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.cart-list .ci-name { font-weight: 700; font-size: .92rem; }
.cart-list .ci-det { grid-column: 1 / -1; color: var(--muted); font-size: .78rem; }
.qty { display: inline-flex; align-items: center; gap: 6px; }
.qty button { width: 26px; height: 26px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); cursor: pointer; }
.ci-row { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; }
.ci-del { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: .78rem; text-decoration: underline; }
.checkout { display: grid; gap: 12px; }
.pay-logos { text-align: center; color: var(--muted); font-size: .72rem; }

.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 12px 18px; border-radius: 999px; font-weight: 700; font-size: .9rem; z-index: 60; max-width: calc(100% - 32px); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero, .quote, .lib-split { grid-template-columns: minmax(0, 1fr); }
  .hero > *, .quote > * { min-width: 0; }
  .hero-stage { max-width: 520px; width: 100%; margin-inline: auto; }
  .verticals { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr 1fr; }
  .services { grid-template-columns: 1fr 1fr; }
  .services article:nth-child(3) { padding-left: 0; border-left: 0; }
  .quote-right { position: static; }
  .foot-in { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .menu-btn { display: flex; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--surface); border-bottom: 1px solid var(--line); padding: 12px var(--gutter); }
  .nav.open { display: flex; }
  .hide-sm { display: none; }
}
@media (max-width: 560px) {
  .view { gap: 64px; padding-block: 24px 80px; }
  .specs { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .row3 { grid-template-columns: 1fr; }
  .step-list, .services, .repo-list, .foot-in { grid-template-columns: 1fr; }
  .services article, .services article + article { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .course-head { grid-template-columns: 1fr; }
  .course-buy { justify-items: start; }
  .mod-body { padding-left: 24px; }
  .modules details summary { grid-template-columns: auto 1fr; }
  .modules summary .d { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ---------- Destacados y blog en portada ---------- */
.row-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; max-width: none; }
.row-head > div { display: grid; gap: 10px; }
.featured { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.feat { display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); overflow: hidden; }
.feat-art { position: relative; aspect-ratio: 1 / 1; max-width: 100%; display: grid; place-items: center; border-bottom: 1px solid var(--line);
  background: radial-gradient(70% 70% at 50% 40%, color-mix(in srgb, var(--violet) 14%, var(--surface-2)), var(--bg)); }
.feat-art svg { width: 55%; height: 55%; }
.feat-art .pill { position: absolute; top: 12px; left: 12px; background: var(--bg); }
.feat-body { display: grid; gap: 8px; padding: 16px; align-content: start; }
.feat-body h3 { font: 700 1rem var(--f-body); letter-spacing: 0; }
.feat-body p { color: var(--muted); font-size: .88rem; }
.feat-meta { font: 500 .72rem var(--f-mono); }
.feat-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.post-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.post-card { display: grid; gap: 10px; align-content: start; padding: 24px; border-top: 2px solid var(--line); text-decoration: none; transition: border-color .2s; }
.post-card:hover { border-top-color: var(--lime); }
.post-card h3 { font-size: 1.1rem; }
.post-card p { color: var(--muted); font-size: .92rem; }

/* ---------- Páginas del blog ---------- */
.blog-wrap { padding-block: 48px 96px; display: grid; gap: 40px; }
.post-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.post-row { display: grid; grid-template-columns: 140px minmax(0, 1fr) auto; gap: 24px; align-items: baseline; padding: 24px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.post-row:hover h2 { color: var(--lime); }
.post-row time { font: 500 .8rem var(--f-mono); color: var(--muted); }
.post-row h2 { font-size: 1.25rem; transition: color .2s; }
.post-row p { color: var(--muted); margin-top: 6px; }
.article { max-width: 720px; display: grid; gap: 20px; }
.article-meta { font: 500 .8rem var(--f-mono); color: var(--muted); display: flex; flex-wrap: wrap; gap: 12px; }
.prose { font-size: 1.06rem; line-height: 1.75; display: grid; gap: 1.1em; }
.prose h2 { font-size: 1.45rem; margin-top: .8em; }
.prose h3 { font-size: 1.1rem; margin-top: .4em; }
.prose ul, .prose ol { margin: 0; padding-left: 1.3em; display: grid; gap: .4em; }
.prose a { color: var(--lime); }
.prose strong { color: var(--fg); }
.prose table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { font: 500 .72rem var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.cta-box { display: grid; gap: 12px; padding: 24px; border-radius: 20px; border: 1px solid color-mix(in srgb, var(--lime) 40%, var(--line)); background: var(--surface); }
.comments { max-width: 720px; display: grid; gap: 16px; border-top: 1px solid var(--line); padding-top: 32px; }
.comment { padding: 14px 16px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); display: grid; gap: 4px; }
.comment b { font-size: .92rem; }
.comment time { font: 500 .72rem var(--f-mono); color: var(--muted); }
.comment p { color: var(--fg); font-size: .95rem; white-space: pre-line; overflow-wrap: anywhere; }
.comment-form { display: grid; gap: 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 960px) {
  .featured { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .post-strip { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .featured { grid-template-columns: minmax(0, 1fr); }
  .post-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
}
.article h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
.related { display: grid; gap: 8px; padding-top: 24px; border-top: 1px solid var(--line); }
.related a { color: var(--fg); text-decoration: none; font-weight: 600; padding: 10px 0; border-bottom: 1px solid var(--line); }
.related a::after { content: " →"; color: var(--lime); }
.related a:hover { color: var(--lime); }

/* ---------- Tira "Listos para enviar" ---------- */
.ready-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(200px, 1fr); gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
.ready { display: grid; gap: 6px; align-content: start; scroll-snap-align: start; min-width: 0; }
.ready-img { aspect-ratio: 1 / 1; max-width: 100%; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: #e9e8e6; }
.ready-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.ready:hover .ready-img img { transform: scale(1.04); }
.ready h3 { font: 700 .98rem var(--f-body); letter-spacing: 0; margin-top: 6px; }
.ready p { font-size: .82rem; }
.ready-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; margin-top: 4px; min-width: 0; }
.ready h3, .ready p { overflow-wrap: anywhere; }
.ready-more { place-content: center; justify-items: center; text-align: center; gap: 10px; aspect-ratio: 1 / 1; border: 1px dashed var(--line); border-radius: var(--r); text-decoration: none; color: var(--muted); font-weight: 600; transition: border-color .2s, color .2s; }
.ready-more b { font-size: 1.8rem; color: var(--lime); }
.ready-more:hover { border-color: var(--lime); color: var(--fg); }
@media (min-width: 1100px) { .ready-strip { grid-auto-flow: row; grid-auto-columns: auto; grid-template-columns: repeat(5, minmax(0, 1fr)) minmax(0, .7fr); overflow: visible; } .ready-more { aspect-ratio: auto; height: 100%; min-height: 160px; } }

/* Estado del pago al volver de Wompi */
.pay-status { margin: 18px 0 6px; padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); max-width: 640px; }
.pay-status.ok { border-color: color-mix(in srgb, var(--lime) 60%, var(--line)); }
.pay-status.warn { border-color: color-mix(in srgb, #ff7a7a 60%, var(--line)); }
.row-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* Cuentas */
.acct-btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px 0 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--fg); font: 600 .88rem var(--f-body); cursor: pointer; max-width: 160px; }
.acct-btn svg { width: 20px; height: 20px; flex: none; }
.acct-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 560px) { .acct-btn { padding: 0; width: 40px; justify-content: center; } .acct-btn span { display: none; } }
.auth { position: fixed; z-index: 42; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(420px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow-y: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px 22px 20px; display: grid; gap: 14px; }
.auth form { display: grid; gap: 12px; }
.auth-x { position: absolute; top: 10px; right: 12px; background: none; border: 0; color: var(--muted); font-size: 1.1rem; cursor: pointer; padding: 6px; }
.auth-social { display: grid; gap: 10px; justify-items: center; }
.auth-social:empty, #gBtn:empty { display: none; }
.auth-or { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .82rem; }
.auth-or::before, .auth-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.auth-tabs button { border: 0; background: none; color: var(--muted); font: 600 .9rem var(--f-body); padding: 8px; border-radius: 999px; cursor: pointer; }
.auth-tabs button[aria-selected="true"] { background: var(--surface-2); color: var(--fg); }
.auth-links { display: flex; justify-content: center; }
.linkish { background: none; border: 0; color: var(--violet); font: 600 .86rem var(--f-body); cursor: pointer; text-decoration: underline; }
.auth-legal { font-size: .78rem; }
.acct-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 16px; margin-bottom: 18px; }
.acct-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.acct-list { display: grid; gap: 10px; }
.acct-order { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 4px; font-size: .9rem; }
.acct-order header { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.badge { font: 600 .74rem var(--f-mono, monospace); padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); }
.badge.ok { color: var(--lime); border-color: color-mix(in srgb, var(--lime) 50%, var(--line)); }
.badge.bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, var(--line)); }
.acct-act { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; max-height: 360px; overflow-y: auto; font-size: .88rem; }
.acct-act li { display: grid; grid-template-columns: auto 1fr; gap: 10px; }
.acct-act time { color: var(--muted); font-size: .78rem; white-space: nowrap; }