/* CoursePI · estilos de las páginas públicas (inicio, compra, confirmación). Misma identidad que la plataforma. */
:root { --paper: #f6f3ec; --surface: #fffdf8; --sunk: #ece7db; --ink: #1c2321; --ink-2: #47514d; --ink-3: #6d7772; --line: #ddd7c9; --teal: #0f5c56; --teal-ink: #fff; --teal-soft: #dcebe7; --ochre: #9a6d14; --ochre-soft: #f3e7cc; --red: #a23b2e; --green: #2f6b3c;
  --serif: 'Newsreader', Georgia, serif; --sans: 'IBM Plex Sans', system-ui, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace; }
@media (prefers-color-scheme: dark) { :root { --paper: #141917; --surface: #1c2321; --sunk: #232b28; --ink: #ece8dd; --ink-2: #c3c8c2; --ink-3: #96a09a; --line: #323b37; --teal: #58b8ad; --teal-ink: #0c1513; --teal-soft: #14332f; --ochre: #d9ad55; --ochre-soft: #3a2f16; --red: #e58a7b; --green: #7fc48d; color-scheme: dark; } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.6 var(--sans); }
a { color: var(--teal); }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 600; font-size: 18px; letter-spacing: -.01em; }
.brand i { font-style: normal; color: var(--teal); }
.mark { width: 36px; height: 36px; border-radius: 10px; background: var(--teal); color: var(--paper); display: grid; place-items: center; overflow: hidden; flex: none; }
.nav nav { display: flex; align-items: center; gap: 6px 22px; flex-wrap: wrap; justify-content: flex-end; font-size: 15px; }
.nav nav a { color: var(--ink-2); text-decoration: none; } .nav nav a:hover { color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15.5px var(--sans); border-radius: 10px; padding: 12px 20px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; cursor: pointer; }
.btn.pri { background: var(--teal); border-color: var(--teal); color: var(--teal-ink); } .btn.lg { padding: 14px 24px; font-size: 16.5px; } .btn.block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; }
.btn:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
h1 { font: 500 clamp(34px, 5.4vw, 54px)/1.08 var(--serif); letter-spacing: -.015em; margin: 0 0 18px; text-wrap: balance; }
h2 { font: 500 clamp(26px, 3.4vw, 34px)/1.15 var(--serif); margin: 0 0 10px; text-wrap: balance; }
h3 { font: 600 17px/1.35 var(--sans); margin: 0 0 6px; }
.eyebrow { font: 600 12.5px var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--ochre); margin: 0 0 14px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 54ch; margin: 0 0 26px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 48px; align-items: center; padding-block: 44px 72px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.muted { color: var(--ink-3); } .small { font-size: 13.5px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.dash b.t { display: block; font: 600 13px var(--sans); color: var(--ink-3); margin-bottom: 14px; }
.dash .a { display: grid; grid-template-columns: minmax(0, 1fr) 44px; gap: 4px 12px; align-items: center; font-size: 14px; margin-bottom: 11px; }
.dash .a span:last-child { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.dash .bar { grid-column: 1 / -1; height: 6px; border-radius: 99px; background: var(--sunk); overflow: hidden; } .dash .bar i { display: block; height: 100%; border-radius: 99px; background: var(--teal); }
.dash .bar.low i { background: var(--ochre); }
.dash .tip { margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--teal-soft); font-size: 14px; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-block: 1px solid var(--line); }
.facts div { padding: 22px 16px; text-align: center; border-left: 1px solid var(--line); } .facts div:first-child { border-left: 0; }
.facts b { display: block; font: 500 32px/1.1 var(--serif); font-variant-numeric: tabular-nums; } .facts span { font-size: 13.5px; color: var(--ink-3); }
section.block { padding-block: 72px; }
.sec-h { max-width: 60ch; margin-bottom: 30px; } .sec-h p { color: var(--ink-2); margin: 0; }
.feats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 32px; }
.feats .n { font: 500 14px var(--mono); color: var(--ochre); margin-bottom: 8px; display: block; } .feats p { margin: 0; color: var(--ink-2); font-size: 15px; }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { display: flex; flex-direction: column; } .plan.pro { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
.plan .pn { display: flex; align-items: center; gap: 10px; font: 600 13px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.badge { font: 600 11.5px var(--sans); letter-spacing: .03em; text-transform: none; padding: 3px 10px; border-radius: 99px; background: var(--ochre-soft); color: var(--ochre); }
.price { font: 500 46px/1 var(--serif); margin: 16px 0 4px; font-variant-numeric: tabular-nums; } .price small { font: 400 15px var(--sans); color: var(--ink-3); }
.plan ul { list-style: none; margin: 18px 0 22px; padding: 0; flex: 1; } .plan li { padding: 9px 0 9px 28px; border-top: 1px solid var(--line); position: relative; font-size: 15px; color: var(--ink-2); }
.plan li::before { content: ''; position: absolute; left: 4px; top: 15px; width: 11px; height: 6px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }
.tms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; } .tms blockquote { margin: 0; } .tms p { margin: 0 0 12px; font: 400 17px/1.5 var(--serif); } .tms footer { font-size: 13.5px; color: var(--ink-3); }
.score { font: 600 13px var(--mono); color: var(--ochre); }
.faq details { border-top: 1px solid var(--line); padding: 14px 0; } .faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; } .faq p { margin: 10px 0 0; color: var(--ink-2); max-width: 70ch; }
.note { padding: 12px 16px; border-radius: 10px; border: 1px solid var(--ochre); background: var(--ochre-soft); font-size: 15px; }
.foot { border-top: 1px solid var(--line); padding-block: 28px 44px; font-size: 13.5px; color: var(--ink-3); } .foot .row { gap: 6px 20px; margin-bottom: 10px; } .foot a { color: var(--ink-2); }
/* compra y confirmación */
.narrow { max-width: 560px; margin: 0 auto; padding: 8px 20px 72px; }
label.f { display: grid; gap: 6px; font-size: 13.5px; font-weight: 500; margin-bottom: 14px; }
input[type=text], input[type=email] { font: inherit; padding: 12px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); width: 100%; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px; } .seg button { font: 600 15px var(--sans); padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; text-align: left; }
.seg button[aria-pressed=true] { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); color: var(--ink); } .seg button span { display: block; font: 400 13.5px var(--sans); color: var(--ink-3); }
.sum { display: grid; gap: 6px; padding: 14px 16px; border-radius: 10px; background: var(--sunk); margin: 4px 0 16px; font-size: 15px; } .sum div { display: flex; justify-content: space-between; gap: 12px; } .sum .tot { font-weight: 600; font-size: 18px; border-top: 1px solid var(--line); padding-top: 8px; margin-top: 2px; }
.msg { min-height: 20px; font-size: 14px; margin: 8px 0; } .msg.err { color: var(--red); } .msg.ok { color: var(--green); }
.code { font: 600 clamp(20px, 5.6vw, 28px) var(--mono); letter-spacing: .05em; padding: 16px; border: 1px dashed var(--teal); border-radius: 12px; background: var(--teal-soft); text-align: center; margin: 14px 0; overflow-wrap: anywhere; user-select: all; }
pre.rc { white-space: pre-wrap; font: 400 13.5px/1.55 var(--mono); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0 0 14px; overflow-wrap: anywhere; }
@media (max-width: 860px) { .hero { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 24px 48px; } .feats, .tms { grid-template-columns: minmax(0, 1fr); gap: 22px; } .plans { grid-template-columns: minmax(0, 1fr); } .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } .facts div:nth-child(3) { border-left: 0; } .facts div:nth-child(n+3) { border-top: 1px solid var(--line); } section.block { padding-block: 48px; } .nav nav a.hide-s { display: none; } .nav .btn { padding: 10px 14px; font-size: 14px; white-space: nowrap; } .brand { font-size: 17px; gap: 8px; } }