/*
 * El sitio de Aldo AI. Organizado como el de SharePass: navbar con secciones, franjas que alternan
 * fondo liso y fondo de tarjeta, una etiqueta chica arriba de cada título y maquetas del producto en
 * HTML, que siguen el tema solas.
 *
 * Claro y oscuro: sin elección guardada manda el sistema (prefers-color-scheme); el botón del navbar
 * fija data-theme en <html> y lo recuerda. El script de arranque del <head> lo aplica antes de pintar.
 * Por eso cada color es un token y se redefine en los dos bloques oscuros.
 */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fc;
  --card: #ffffff;
  --ink: #141b38;
  --body: #3d4565;
  --muted: #6a7291;
  --line: #e1e5f0;
  --brand: #3f5fc0;          /* el mismo azul sólido del panel (brand.css), 5,8:1 sobre blanco */
  --brand-ink: #ffffff;
  --brand-soft: #e9eefb;
  --grad: linear-gradient(135deg, #51dcf2 0%, #466dca 55%, #9043cd 100%);
  --band: #2f4aa8;
  --band-ink: #ffffff;
  --wall: #ece5dd;           /* el fondo del chat */
  --me: #dcf5c9;
  --them: #ffffff;
  --chat-head: #1f2c34;
  --ok: #1b7f53;
  --shadow: 0 18px 50px -24px rgba(31, 52, 120, .35);
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --wrap: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c1124; --bg-alt: #111833; --card: #161e3d; --ink: #eef1fb; --body: #c3c9e0; --muted: #929ab8;
    --line: #26305a; --brand: #8aa4f0; --brand-ink: #0c1124; --brand-soft: #1d2852; --band: #2c4597; --band-ink: #ffffff;
    --wall: #0f1630; --me: #1f3b2c; --them: #1c2547; --chat-head: #0a0f22; --ok: #5cd19a;
    --shadow: 0 18px 50px -24px rgba(0, 0, 0, .7); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c1124; --bg-alt: #111833; --card: #161e3d; --ink: #eef1fb; --body: #c3c9e0; --muted: #929ab8;
  --line: #26305a; --brand: #8aa4f0; --brand-ink: #0c1124; --brand-soft: #1d2852; --band: #2c4597; --band-ink: #ffffff;
  --wall: #0f1630; --me: #1f3b2c; --them: #1c2547; --chat-head: #0a0f22; --ok: #5cd19a;
  --shadow: 0 18px 50px -24px rgba(0, 0, 0, .7); color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--brand); }
h1, h2, h3 { margin: 0; color: var(--ink); text-wrap: balance; letter-spacing: -.02em; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; border-radius: 8px; z-index: 300; }
.skip:focus { left: 16px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }
.section { padding-block: 88px; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.stack { display: flex; flex-direction: column; gap: 16px; }
.center { text-align: center; align-items: center; }
.center .lead { margin-inline: auto; }

/* Tipografía */
.tag { font-family: var(--mono); font-size: 12.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
h1, .h1 { font-size: clamp(36px, 5.4vw, 60px); line-height: 1.05; font-weight: 800; letter-spacing: -.03em; }
h2, .h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.12; font-weight: 800; }
h3 { font-size: 19px; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
.lead { color: var(--body); font-size: 19px; max-width: 60ch; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-size: 15.5px; font-weight: 700; text-decoration: none; padding: 12px 22px; border-radius: 10px; border: 1.5px solid var(--brand); cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--brand); color: var(--brand-ink); box-shadow: 0 8px 22px -10px var(--brand); }
.btn.outline { background: transparent; color: var(--brand); }
.btn.outline:hover { background: var(--brand-soft); }
.btn.sm { padding: 9px 16px; font-size: 14.5px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Navbar */
.site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand small { font-weight: 600; color: var(--brand); font-size: 14px; letter-spacing: 0; }
.menu { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.menu a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--body); font-weight: 600; font-size: 15.5px; text-decoration: none; }
.menu a:hover { color: var(--ink); background: var(--bg-alt); }
.menu a[aria-current="page"] { color: var(--brand); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.login { color: var(--body); font-weight: 600; font-size: 15.5px; text-decoration: none; padding: 8px 10px; }
.login:hover { color: var(--brand); }
.icon-btn { width: 40px; height: 40px; display: inline-grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.icon-btn svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}
.menu-toggle { display: none; }
.mobile-menu { display: none; border-top: 1px solid var(--line); background: var(--bg); }
.mobile-menu ul { list-style: none; margin: 0; padding: 8px 24px 16px; }
.mobile-menu li a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-weight: 600; text-decoration: none; }
.mobile-menu li a[aria-current="page"] { color: var(--brand); }
.mobile-menu .btn { width: 100%; margin-top: 16px; }

/* Hero */
.hero { padding-block: 72px 88px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto auto; width: 60%; height: 120%; background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 16%, transparent), transparent); pointer-events: none; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; position: relative; }
.hero .copy { display: flex; flex-direction: column; gap: 22px; }
.hero h1 .accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; margin: 0; padding: 0; color: var(--body); font-size: 15px; font-weight: 600; }
.facts li { display: flex; align-items: center; gap: 8px; }
.facts svg { width: 18px; height: 18px; color: var(--brand); flex: none; }

/* Encabezado de página interna (como el PageHero de SharePass) */
.page-hero { padding-block: 72px 56px; position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::before { content: ''; position: absolute; right: -10%; top: -40%; width: 55%; height: 160%; background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 14%, transparent), transparent); pointer-events: none; }
.page-hero .wrap { position: relative; display: flex; flex-direction: column; gap: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.chips a, .chips span { display: inline-block; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 8px 16px; font-size: 15px; font-weight: 600; color: var(--body); text-decoration: none; }
.chips a:hover { border-color: var(--brand); color: var(--brand); }

/* Zigzag: una función por fila */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.feature.reverse .copy { order: 2; }
.feature .copy { display: flex; flex-direction: column; gap: 16px; }
.checks { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; color: var(--body); }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks li::before { content: ''; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5L14 7.5' fill='none' stroke='%233f5fc0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

/* Tarjetas */
.grid { display: grid; gap: 20px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.card p { color: var(--body); font-size: 15.5px; }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
.card .ico svg { width: 22px; height: 22px; }
.card .more { margin-top: auto; padding-top: 6px; font-weight: 700; font-size: 15px; text-decoration: none; }
.step-n { font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--brand); letter-spacing: .1em; }
.row-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; margin-bottom: 32px; }
.head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 44px; }

/* Franja de color */
.band { background: var(--band); color: var(--band-ink); border-radius: 22px; padding: 44px 48px; display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; position: relative; overflow: hidden; }
.band::after { content: ''; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px; border-radius: 50%; background: var(--grad); opacity: .35; filter: blur(10px); }
.band > * { position: relative; z-index: 1; }
.band h2 { color: var(--band-ink); }
.band p { color: var(--band-ink); opacity: .88; max-width: 54ch; }
.band .btn { border-color: var(--band-ink); color: var(--band-ink); background: transparent; }
.band .btn:hover { background: rgba(255, 255, 255, .12); }

/* Rubros (franja del inicio) */
.sectors { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; list-style: none; margin: 0; padding: 0; }
.sectors li { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 10px 18px; font-weight: 600; color: var(--body); }

/* ---------- Maquetas del producto ---------- */
.mock { min-width: 0; }
.phone { width: 100%; max-width: 360px; margin-inline: auto; background: #111; border-radius: 40px; padding: 11px; box-shadow: var(--shadow); }
.phone-screen { border-radius: 30px; overflow: hidden; background: var(--wall); display: flex; flex-direction: column; }
.phone-head { background: var(--chat-head); color: #fff; display: flex; align-items: center; gap: 12px; padding: 18px 16px 14px; }
.phone-head .av { width: 38px; height: 38px; border-radius: 50%; background: #fff; display: grid; place-items: center; flex: none; }
.phone-head .av svg { width: 26px; height: 26px; }
.phone-head b { display: block; font-size: 15px; }
.phone-head span { font-size: 12.5px; color: #b8c3c9; }
.phone-body { display: flex; flex-direction: column; gap: 8px; padding: 16px 12px 18px; min-height: 340px; justify-content: flex-end; }
.bubble { max-width: 84%; padding: 8px 12px 18px; border-radius: 14px; font-size: 14.5px; line-height: 1.4; color: var(--ink); position: relative; box-shadow: 0 1px 1px rgba(0, 0, 0, .08); }
.bubble time { position: absolute; right: 10px; bottom: 3px; font-size: 11px; color: var(--muted); }
.bubble.me { align-self: flex-end; background: var(--me); border-top-right-radius: 4px; }
.bubble.them { align-self: flex-start; background: var(--them); border-top-left-radius: 4px; }
.bubble.note { align-self: center; background: var(--card); color: var(--muted); font-size: 12.5px; padding: 5px 12px; border-radius: 999px; box-shadow: none; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; font-size: 14.5px; position: relative; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.panel-head b { font-size: 15.5px; }
.panel-head span { color: var(--muted); font-size: 13.5px; }
.prow { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 13px 18px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.prow:last-of-type { border-bottom: none; }
.prow .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pill { font-size: 12.5px; font-weight: 700; border-radius: 999px; padding: 3px 10px; background: var(--bg-alt); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.pill.new { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.pill.ok { color: var(--ok); }
.toast { position: absolute; right: 16px; bottom: 16px; background: var(--ink); color: var(--bg); font-weight: 700; font-size: 13.5px; padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); }
.panel.with-toast { padding-bottom: 64px; }
.cal { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; padding: 16px; }
.cal .d { font-size: 12px; font-weight: 700; color: var(--muted); text-align: center; padding-bottom: 4px; }
.cal .s { height: 34px; border-radius: 8px; background: var(--bg-alt); border: 1px dashed var(--line); }
.cal .t { height: 34px; border-radius: 8px; background: var(--brand-soft); color: var(--brand); font-size: 12.5px; font-weight: 700; display: grid; place-items: center; }

/* Videos */
.video-card { padding: 0; overflow: hidden; }
.video-card .thumb { position: relative; aspect-ratio: 16 / 9; background: var(--bg-alt); display: block; }
.video-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-card .thumb .dur, .video-card .thumb .soon { position: absolute; right: 10px; bottom: 10px; background: rgba(12, 17, 36, .82); color: #fff; font-size: 12.5px; font-weight: 700; padding: 3px 8px; border-radius: 6px; font-variant-numeric: tabular-nums; }
.video-card .thumb .ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); }
.video-card .thumb .ph svg { width: 48px; height: 48px; }
.video-card .txt { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 6px; }

/* Precios */
.price-card { gap: 14px; }
.price-card.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.ribbon { align-self: flex-start; background: var(--brand); color: var(--brand-ink); font-size: 12.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.amount { font-size: 36px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.amount small { font-size: 15px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
table.compare { border-collapse: collapse; width: 100%; min-width: 620px; font-size: 15px; }
.compare th, .compare td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: center; }
.compare th:first-child, .compare td:first-child { text-align: left; }
.compare thead th { font-size: 15px; background: var(--bg-alt); }
.compare .group td { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); background: var(--bg); font-weight: 600; }
.compare .yes { color: var(--ok); font-weight: 800; }
.compare .no { color: var(--muted); }

/* Preguntas frecuentes */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--brand); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--body); padding-bottom: 18px; }

/* Contacto y formulario */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.methods { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.method { display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; text-decoration: none; color: var(--ink); }
.method:hover { border-color: var(--brand); }
.method .ico { width: 42px; height: 42px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: none; }
.method .ico svg { width: 20px; height: 20px; }
.method b { display: block; font-size: 15.5px; }
.method span { color: var(--muted); font-size: 14px; }
.form-box { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.form-box form { display: flex; flex-direction: column; gap: 16px; margin-top: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 700; color: var(--body); }
.field input, .field select, .field textarea { font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px; width: 100%; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.field textarea { min-height: 96px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-ok { text-align: center; padding: 24px 8px; display: flex; flex-direction: column; gap: 10px; align-items: center; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding-block: 56px 32px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-grid h4 { margin: 0 0 12px; font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { color: var(--body); text-decoration: none; }
.footer-grid a:hover { color: var(--brand); }
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-brand p { color: var(--body); max-width: 34ch; }
.footer-legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between; color: var(--muted); font-size: 13.5px; }
.footer-legal p { line-height: 1.7; }
.footer-legal a { color: var(--body); }
.footer-legal .links { display: flex; flex-wrap: wrap; gap: 6px 18px; align-self: flex-end; }

/* Botón flotante de WhatsApp */
.wa-float { position: fixed; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); width: 56px; height: 56px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; box-shadow: 0 10px 28px -8px var(--brand); z-index: 90; }
.wa-float svg { width: 26px; height: 26px; }

/* Páginas legales */
.legal-page { max-width: 760px; margin: 0 auto; padding: 64px 24px 80px; }
.legal-page h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 10px; }
.legal-updated { color: var(--muted); font-size: 14px; margin-bottom: 36px; }
.legal-page h2 { font-size: 23px; margin: 40px 0 14px; }
.legal-page h3 { font-size: 18px; margin: 28px 0 10px; }
.legal-page p, .legal-page li { color: var(--body); font-size: 16px; line-height: 1.8; }
.legal-page p { margin-bottom: 16px; }
.legal-page ul, .legal-page ol { margin: 0 0 20px 20px; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.legal-page strong { color: var(--ink); }
.legal-page hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

/* Responsive */
@media (max-width: 980px) {
  .menu, .header-actions .login, .header-actions .btn { display: none; }
  .menu-toggle { display: inline-grid; }
  .site-header.open .mobile-menu { display: block; }
  .hero .wrap, .feature, .contact { grid-template-columns: 1fr; gap: 44px; }
  .feature.reverse .copy { order: 0; }
  .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 18px; }
  .section { padding-block: 64px; }
  .hero { padding-block: 44px 64px; }
  .lead { font-size: 17px; }
  .grid.c2, .grid.c3, .grid.c4, .field-row { grid-template-columns: 1fr; }
  .band { padding: 32px 24px; }
  .btn-row .btn { flex: 1 1 100%; }
  .form-box { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Página de un video */
.video-page { display: flex; flex-direction: column; gap: 18px; max-width: 960px; }
.video-page .back { font-weight: 600; text-decoration: none; font-size: 15px; }
.player { width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 16px; background: #0c1124; box-shadow: var(--shadow); }
.transcript { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 6px 22px; }
.transcript summary { cursor: pointer; font-weight: 700; padding: 14px 0; }
.transcript p { color: var(--body); margin-bottom: 12px; }