/* ObraPreVista · portada, acceso y aviso legal (mismo sistema que la aplicación: papel, tinta verde, bermellón) */
:root {
  --paper: #f3efe6; --paper-2: #ebe5d8; --card: #fcfbf7; --ink: #142320; --ink-2: #3a4945; --muted: #6b7671; --line: #d8d0bf;
  --green: #123a36; --green-2: #1d564f; --deep: #0f2c29; --mark: #d1492e; --mark-2: #b43a22; --teal: #0f766e; --ochre: #b7841f;
  --display: "Fraunces", "Iowan Old Style", Georgia, serif; --body: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;
  --r: 14px; --r-l: 22px; --shadow: 0 30px 80px -30px rgba(10, 25, 22, .45); color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--teal); }
img, video { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--mark); }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; margin: 0; }
h1 em, h2 em { font-style: italic; font-weight: 400; color: var(--mark); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15px/1 var(--body); padding: 14px 22px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -14px rgba(20, 35, 32, .45); }
.btn.mark { background: var(--mark); border-color: var(--mark); color: #fff; }
.btn.mark:hover { background: var(--mark-2); }
.btn.green { background: var(--green); border-color: var(--green); color: #fff; }
.btn.sm { padding: 10px 16px; font-size: 14px; }
.btn:focus-visible, input:focus-visible, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--teal) 45%, transparent); outline-offset: 2px; }

/* cabecera */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.top.scrolled { border-bottom-color: var(--line); }
.top .wrap { display: flex; align-items: center; gap: 22px; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo svg { width: 36px; height: 36px; flex: none; }
.logo b { font: 700 21px/1 var(--display); letter-spacing: -.03em; }
.logo b em { font-style: normal; color: var(--mark); }
.top nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.top nav a.l { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15px; }
.top nav a.l:hover { color: var(--ink); }
@media (max-width: 820px) { .top nav a.l { display: none; } .top nav { gap: 10px; } }

/* portada */
.hero { padding: 64px 0 40px; position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6vw, 76px); margin: 18px 0 20px; }
.hero p.lede { font-size: 19px; color: var(--ink-2); max-width: 540px; margin: 0 0 28px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { font: 13px var(--mono); color: var(--muted); margin-top: 16px; }
.shot { position: relative; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--card); }
.shot .bar { height: 30px; display: flex; align-items: center; gap: 6px; padding: 0 12px; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.shot .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.float { position: absolute; left: -26px; bottom: 28px; background: var(--deep); color: #fff; border-radius: var(--r); padding: 16px 18px; box-shadow: var(--shadow); max-width: 270px; }
.float b { font: 700 30px/1 var(--display); color: #ffb39f; display: block; }
.float span { font-size: 13px; color: #c9d6d1; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } .float { left: 12px; bottom: 12px; } .hero { padding-top: 36px; } }

.herovideo { position: relative; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--shadow); background: #0f2c29; aspect-ratio: 16 / 9; }
.herovideo video { width: 100%; height: 100%; object-fit: cover; }
.herovideo .play { position: absolute; inset: 0; display: flex; align-items: flex-end; justify-content: flex-start; padding: 18px; border: 0; cursor: pointer;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 44, 41, .5)); color: #fff; font: 600 15px var(--body); text-align: left; }
.herovideo .play i { display: flex; align-items: center; gap: 12px; font-style: normal; }
.herovideo .play span { width: 56px; height: 56px; border-radius: 50%; background: var(--mark); display: grid; place-items: center; flex: none;
  box-shadow: 0 14px 30px -10px rgba(209, 73, 46, .8); transition: transform .2s; }
.herovideo .play span svg { margin-left: 3px; width: 20px; height: 20px; }
.herovideo .play:hover span { transform: scale(1.08); }
.hero .note b { color: var(--mark); font-family: var(--display); font-size: 15px; }
.contours { position: absolute; inset: 0; z-index: -1; opacity: .5; pointer-events: none; }

.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--card); }
.stats .wrap { display: grid; grid-template-columns: repeat(6, 1fr); }
.stat { padding: 22px 16px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font: 600 30px/1 var(--display); letter-spacing: -.02em; }
.stat span { font-size: 13px; color: var(--muted); }
@media (max-width: 900px) { .stats .wrap { grid-template-columns: repeat(2, 1fr); } .stat:nth-child(odd) { border-left: 0; } .stat { border-top: 1px solid var(--line); } }

section.s { padding: 84px 0; }
section.s.alt { background: var(--paper-2); }
section.s.dark { background: var(--deep); color: #e6eee9; }
section.s.dark h2 { color: #fff; }
.head { max-width: 760px; margin-bottom: 40px; }
.head h2 { font-size: clamp(32px, 4.2vw, 50px); margin-top: 12px; }
.head p { color: var(--ink-2); font-size: 18px; margin: 14px 0 0; }
.dark .head p { color: #c9d6d1; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); padding: 26px; }
.card h3 { font-size: 23px; margin: 10px 0 8px; }
.card p { margin: 0; color: var(--ink-2); }
.num { font: 600 13px var(--mono); color: var(--mark); letter-spacing: .1em; }

.teaser .card { position: relative; overflow: hidden; }
.teaser .tag { display: inline-block; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 4px 8px; border-radius: 6px; background: color-mix(in srgb, var(--mark) 12%, var(--card)); color: var(--mark-2); }
.teaser .amt { font: 700 34px/1 var(--display); margin: 16px 0 6px; }
.teaser .meta { font-size: 14px; color: var(--muted); }
.teaser .hidden-title { margin-top: 16px; padding: 12px; border-radius: 10px; background: var(--paper-2); color: transparent; text-shadow: 0 0 9px rgba(20, 35, 32, .55); user-select: none; font-weight: 600; }
.teaser .lock { margin-top: 10px; font-size: 14px; }

.screens { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.screens figure { margin: 0; }
.screens figcaption { font-size: 14px; color: var(--muted); margin-top: 10px; }
.screens .stack { display: grid; gap: 18px; }
@media (max-width: 900px) { .screens { grid-template-columns: 1fr; } }

.video { max-width: 980px; margin: 0 auto; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--shadow); background: #000; }

.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 980px) { .tiers { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tiers { grid-template-columns: 1fr; } }
.tier { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.tier.star { border: 2px solid var(--mark); }
.tier h3 { font-size: 22px; }
.tier .price { font: 700 36px/1 var(--display); }
.tier .price small { font: 400 14px var(--body); color: var(--muted); }
.tier ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 14px; }
.tier .who { font-size: 14px; color: var(--muted); margin: 0; }

details.faq { border-bottom: 1px solid var(--line); padding: 16px 0; }
details.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details.faq p { color: var(--ink-2); margin: 10px 0 0; }

form.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 760px; }
form.contact .full { grid-column: 1 / -1; }
@media (max-width: 640px) { form.contact { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input, textarea { font: 15px var(--body); padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); width: 100%; }
.dark input, .dark textarea { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .18); color: #fff; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
label.check input { width: auto; margin-top: 4px; }
.msg { font-size: 14px; min-height: 20px; }
.msg.err { color: #ff8a6e; }
.msg.ok { color: #7fd1a8; }

footer { padding: 36px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); }

/* acceso */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth aside { background: var(--deep); color: #e6eee9; padding: 48px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth aside h2 { color: #fff; font-size: clamp(34px, 3.6vw, 48px); }
.auth aside p { color: #c9d6d1; font-size: 17px; max-width: 440px; }
.auth aside .logo { color: #fff; }
.auth main { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.box { width: 100%; max-width: 420px; }
.box h1 { font-size: 38px; margin-bottom: 8px; }
.box .sub { color: var(--muted); margin: 0 0 24px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper-2); border-radius: 12px; padding: 4px; margin-bottom: 22px; }
.tabs button { border: 0; background: transparent; padding: 10px; border-radius: 9px; font: 600 15px var(--body); color: var(--ink-2); cursor: pointer; }
.tabs button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(20, 35, 32, .12); }
.box form { display: grid; gap: 14px; }
.box .btn { width: 100%; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--teal); font: 500 14px var(--body); cursor: pointer; text-decoration: underline; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 6px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.notice { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--mark); border-radius: 12px; padding: 16px; }
.box .msg.err { color: var(--mark-2); }
.box .msg.ok { color: var(--teal); }
@media (max-width: 860px) { .auth { grid-template-columns: 1fr; } .auth aside { padding: 28px 20px; min-height: auto; } .auth aside .big { display: none; } }

/* aviso legal */
.legal { max-width: 820px; margin: 0 auto; padding: 48px 24px 80px; }
.legal h1 { font-size: 44px; margin: 14px 0 24px; }
.legal h2 { font-size: 24px; margin: 34px 0 10px; }
.legal p, .legal li { color: var(--ink-2); }
.legal table { border-collapse: collapse; width: 100%; font-size: 15px; }
.legal td { border-bottom: 1px solid var(--line); padding: 10px 8px; vertical-align: top; }
.legal td:first-child { font-weight: 600; width: 34%; }

@media (max-width: 600px) { .wrap { padding: 0 16px; } section.s { padding: 60px 0; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }
.top .btn { white-space: nowrap; }
@media (max-width: 480px) { .logo b { font-size: 18px; } .logo svg { width: 30px; height: 30px; } .top .btn.sm { padding: 9px 12px; font-size: 13px; } .top nav { gap: 6px; } }