@font-face { font-family: 'Comfortaa'; src: url('comfortaa.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'Comfortaa'; src: url('comfortaa-ext.woff2') format('woff2'); font-weight: 300 700; font-display: swap; unicode-range: U+0100-024F; }
@font-face { font-family: 'Nunito'; src: url('nunito.woff2') format('woff2'); font-weight: 200 1000; font-display: swap; }
@font-face { font-family: 'Nunito'; src: url('nunito-ext.woff2') format('woff2'); font-weight: 200 1000; font-display: swap; unicode-range: U+0100-024F; }

:root {
  --navy: #0B1533; --cobalt: #1F44E6; --cobalt-strong: #1735C2; --mint: #16C79A; --mint-ink: #0E7A5F; --mint-tint: #E3F7F1;
  --ink: #0B1533; --soft: #5A6478; --line: #E3E7EF; --bg: #F4F6FB; --tint: #EBF0FE; --white: #FFFFFF;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { font-family: 'Nunito', system-ui, sans-serif; color: var(--ink); background: var(--white); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: 'Comfortaa', system-ui, sans-serif; font-weight: 700; letter-spacing: -0.015em; text-wrap: balance; }
p { text-wrap: pretty; }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.label { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 800; color: var(--cobalt); margin-bottom: 14px; }
.label::before { content: ''; width: 20px; height: 3px; border-radius: 2px; background: var(--mint); }
.lead { font-size: 19px; color: var(--soft); max-width: 36em; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 24px; border-radius: 14px; font: 800 16px 'Nunito', sans-serif; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s; }
.btn-primary { background: var(--cobalt); color: #fff; }
.btn-primary:hover { background: var(--cobalt-strong); }
.btn-secondary { background: #fff; color: var(--ink); border-color: #CBD2DE; }
.btn-secondary:hover { border-color: var(--ink); }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; border-radius: 6px; }

/* Barra superior */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.top .logo img { height: 30px; width: auto; }
.top nav { display: flex; align-items: center; gap: 24px; font-weight: 700; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--soft); }
.top nav a:hover { color: var(--ink); }
.top .actions { display: flex; gap: 10px; }
.top .btn { min-height: 42px; padding: 0 18px; font-size: 15px; white-space: nowrap; }
@media (max-width: 380px) { .top .btn { padding: 0 10px; font-size: 13px; } .top .logo img { height: 20px; } }
@media (max-width: 1080px) { .top nav { display: none; } }
@media (max-width: 520px) { .top .actions { gap: 8px; } .top .btn { min-height: 38px; padding: 0 13px; font-size: 14px; } .top .logo img { height: 24px; } }

/* Portada */
.hero { padding: 72px 0 0; overflow: hidden; }
.hero .grid { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.hero h1.label { font-family: 'Nunito', system-ui, sans-serif; letter-spacing: 0; }
.hero .headline { font-family: 'Comfortaa', system-ui, sans-serif; font-weight: 700; letter-spacing: -0.015em; text-wrap: balance; font-size: clamp(36px, 5.2vw, 60px); line-height: 1.08; }
.hero .headline em { font-style: normal; color: var(--cobalt); }
.hero .lead { margin-top: 22px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero .note { margin-top: 16px; font-size: 14px; color: var(--soft); }
.stage { position: relative; padding-bottom: 40px; }
.stage .desk { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.stage .phone { position: absolute; right: -8px; bottom: 0; width: 34%; border: 7px solid var(--navy); border-radius: 30px; overflow: hidden; background: #fff; }
@media (max-width: 960px) { .hero .grid { grid-template-columns: 1fr; } .stage { margin-right: 0; } }
@media (prefers-reduced-motion: no-preference) {
  .hero .copy > * { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
  .hero .copy > *:nth-child(2) { animation-delay: .06s; } .hero .copy > *:nth-child(3) { animation-delay: .12s; } .hero .copy > *:nth-child(4) { animation-delay: .18s; }
  .stage { animation: rise .9s .15s cubic-bezier(.2,.7,.2,1) both; }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
}

/* Formas de checar */
.ways { margin-top: 72px; background: var(--navy); color: #fff; }
.ways .wrap { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: 32px; padding: 44px 0; align-items: start; }
.ways h2 { font-size: 24px; line-height: 1.3; }
.ways h3 { font-size: 17px; margin: 14px 0 6px; }
.ways p { font-size: 15px; color: rgba(255,255,255,.72); }
.ways .ico { width: 44px; height: 44px; border-radius: 13px; background: rgba(255,255,255,.08); display: grid; place-items: center; }
@media (max-width: 900px) { .ways .wrap { grid-template-columns: 1fr 1fr; } .ways .wrap > div:first-child { grid-column: 1 / -1; } }
@media (max-width: 560px) { .ways .wrap { grid-template-columns: 1fr; } }

/* Módulos */
section.block { padding: 104px 0 0; }
.block h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; max-width: 22em; }
.feature { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: center; margin-top: 56px; }
.feature.flip { grid-template-columns: 1.25fr 1fr; }
.feature.flip .text { order: 2; }
.feature h3 { font-size: 26px; line-height: 1.25; }
.feature .text > p { color: var(--soft); margin-top: 12px; }
.checks { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; color: var(--soft); font-size: 16px; }
.checks li strong { color: var(--ink); font-weight: 800; }
.checks li::before { content: ''; position: absolute; left: 3px; top: 7px; width: 12px; height: 7px; border-left: 2.5px solid var(--mint); border-bottom: 2.5px solid var(--mint); transform: rotate(-45deg); }
.shot { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.tag { display: inline-block; font-size: 12px; font-weight: 800; color: var(--mint-ink); background: var(--mint-tint); border-radius: 999px; padding: 2px 10px; vertical-align: middle; margin-left: 6px; font-family: 'Nunito', sans-serif; letter-spacing: 0; }
.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 250px)); gap: 28px; justify-content: center; align-items: start; }
.pair .phone:last-child { margin-top: 48px; }
.pair .phone { border: 7px solid var(--navy); border-radius: 30px; overflow: hidden; }
@media (max-width: 960px) { .feature, .feature.flip { grid-template-columns: 1fr; gap: 32px; } .feature.flip .text { order: 0; } }
@media (max-width: 560px) { .pair { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; } .pair .phone { border-width: 5px; border-radius: 22px; } }

/* Cómo empezamos */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; counter-reset: s; }
.steps li { background: var(--bg); border-radius: 18px; padding: 24px; counter-increment: s; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--cobalt); color: #fff; font: 700 15px 'Comfortaa', sans-serif; margin-bottom: 16px; }
.steps h3 { font-size: 17px; margin-bottom: 6px; }
.steps p { font-size: 15px; color: var(--soft); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Seguridad */
.trust { margin-top: 104px; background: var(--bg); padding: 80px 0; }
.trust .wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.trust ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.trust li { position: relative; padding-left: 30px; color: var(--soft); font-size: 16px; }
.trust li::before { content: ''; position: absolute; left: 3px; top: 7px; width: 12px; height: 7px; border-left: 2.5px solid var(--mint); border-bottom: 2.5px solid var(--mint); transform: rotate(-45deg); }
@media (max-width: 900px) { .trust .wrap, .trust ul { grid-template-columns: 1fr; } }

/* Preguntas */
.faq { margin-top: 36px; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font: 700 18px 'Comfortaa', sans-serif; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ''; flex: none; width: 10px; height: 10px; border-right: 2.5px solid var(--cobalt); border-bottom: 2.5px solid var(--cobalt); transform: rotate(45deg); transition: transform .2s; margin-right: 4px; }
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details p { color: var(--soft); padding: 0 0 22px; max-width: 46em; }

/* Contacto */
.contact { margin-top: 104px; background: var(--navy); color: #fff; padding: 88px 0; }
.contact .wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.contact h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; }
.contact .lead { color: rgba(255,255,255,.75); margin-top: 16px; }
.contact .label { color: var(--mint); }
.direct { margin-top: 32px; display: grid; gap: 12px; font-size: 17px; }
.direct a { color: #fff; text-decoration: none; display: inline-flex; align-items: center; gap: 12px; }
.direct a:hover { text-decoration: underline; }
form.card { background: #fff; color: var(--ink); border-radius: 22px; padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
form .full { grid-column: 1 / -1; }
form label { display: block; font-weight: 800; font-size: 14px; margin-bottom: 6px; }
form label span { font-weight: 600; color: var(--soft); }
form input, form select, form textarea { width: 100%; min-height: 48px; border: 1px solid #CBD2DE; border-radius: 12px; padding: 10px 14px; font: 500 16px 'Nunito', sans-serif; color: var(--ink); background: #fff; }
form textarea { min-height: 110px; resize: vertical; }
form input:focus, form select:focus, form textarea:focus { outline: 3px solid var(--tint); border-color: var(--cobalt); }
form .hp { position: absolute; left: -9999px; }
form .small { font-size: 13px; color: var(--soft); }
.alert { grid-column: 1 / -1; border-radius: 12px; padding: 14px 16px; font-weight: 700; font-size: 15px; }
.alert.ok { background: var(--mint-tint); color: var(--mint-ink); }
.alert.err { background: #FBE8E0; color: #9A3412; }
@media (max-width: 900px) { .contact .wrap { grid-template-columns: 1fr; } }
@media (max-width: 560px) { form.card { grid-template-columns: 1fr; padding: 24px; } }

/* Pie */
footer { padding: 56px 0 28px; font-size: 14px; color: var(--soft); border-top: 1px solid var(--line); }
footer a { text-decoration: none; color: var(--soft); }
footer a:hover { color: var(--ink); }
.foot-main { display: grid; grid-template-columns: minmax(220px, 1fr) auto; gap: 40px 64px; align-items: start; }
.foot-brand img { height: 26px; width: auto; }
.foot-brand p { margin-top: 14px; max-width: 30ch; line-height: 1.55; }
.foot-cols { display: grid; grid-template-columns: repeat(3, auto); gap: 24px 56px; }
.foot-cols div { display: flex; flex-direction: column; gap: 10px; }
.foot-cols p { font-weight: 800; color: var(--ink); margin-bottom: 2px; }
.foot-legal { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; }
@media (max-width: 860px) { .foot-main { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .foot-cols { grid-template-columns: 1fr 1fr; } .foot-legal { flex-direction: column; } }

/* Burbuja de WhatsApp */
.wa { position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom)); z-index: 30; display: flex; align-items: center; gap: 10px; text-decoration: none; }
.wa .bubble { width: 60px; height: 60px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(11,21,51,.25); transition: transform .15s; }
.wa:hover .bubble { transform: scale(1.06); }
.wa .tip { background: #fff; color: var(--ink); font-weight: 800; font-size: 14px; padding: 8px 14px; border-radius: 999px; box-shadow: 0 4px 14px rgba(11,21,51,.15); opacity: 0; transform: translateX(6px); transition: opacity .15s, transform .15s; pointer-events: none; white-space: nowrap; }
.wa:hover .tip, .wa:focus-visible .tip { opacity: 1; transform: none; }
@media (max-width: 560px) { .wa .bubble { width: 54px; height: 54px; } .wa .tip { display: none; } }
@media (prefers-reduced-motion: reduce) { .wa .bubble, .wa .tip { transition: none; } }

/* ===== Páginas de cada forma de checar ===== */
.top nav a[aria-current] { color: var(--ink); }
.crumbs { font-size: 14px; color: var(--soft); margin-bottom: 18px; }
.crumbs a { color: var(--soft); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.hero .copy .eyebrow { display: block; font-weight: 800; color: var(--cobalt); font-size: 15px; margin-bottom: 10px; }
.prose { max-width: 46em; }
.prose p { color: var(--soft); margin-top: 14px; }
.prose p strong { color: var(--ink); }
.compare-wrap { margin-top: 36px; overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 15px; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.compare thead th { font: 700 16px 'Comfortaa', sans-serif; background: var(--bg); }
.compare thead th.here { background: var(--tint); color: var(--cobalt); }
.compare tbody th { font-weight: 800; width: 22%; }
.compare td { color: var(--soft); }
.compare td.here { color: var(--ink); background: #F7F9FF; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.related { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 36px; }
.related a { display: block; text-decoration: none; background: var(--bg); border-radius: 18px; padding: 26px; border: 1px solid transparent; transition: border-color .15s; }
.related a:hover { border-color: var(--cobalt); }
.related h3 { font-size: 20px; }
.related p { color: var(--soft); font-size: 15px; margin-top: 6px; }
.related .go { display: inline-block; margin-top: 14px; font-weight: 800; color: var(--cobalt); font-size: 15px; }
@media (max-width: 700px) { .related { grid-template-columns: 1fr; } }

/* Dibujo del reloj conectado */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; background: var(--navy); color: #fff; border-radius: 22px; padding: 36px 28px; }
.flow .node { text-align: center; }
.flow .node .box { width: 74px; height: 74px; margin: 0 auto 12px; border-radius: 20px; background: rgba(255,255,255,.08); display: grid; place-items: center; }
.flow .node b { display: block; font: 700 15px 'Comfortaa', sans-serif; }
.flow .node span { font-size: 13px; color: rgba(255,255,255,.65); }
.flow .wire { width: 46px; height: 2px; background: repeating-linear-gradient(90deg, var(--mint) 0 6px, transparent 6px 11px); }
@media (max-width: 560px) { .flow { grid-template-columns: 1fr; } .flow .wire { width: 2px; height: 28px; margin: 0 auto; background: repeating-linear-gradient(180deg, var(--mint) 0 6px, transparent 6px 11px); } }

/* Dibujo del chat */
.chat { max-width: 360px; margin-inline: auto; border: 7px solid var(--navy); border-radius: 34px; overflow: hidden; background: #EFEAE2; font-size: 14px; }
.chat .bar { background: var(--navy); color: #fff; padding: 14px 18px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.chat .bar i { width: 30px; height: 30px; border-radius: 50%; background: var(--mint); display: grid; place-items: center; font-style: normal; font: 700 13px 'Comfortaa', sans-serif; color: var(--navy); }
.chat .msgs { padding: 18px 14px 22px; display: grid; gap: 10px; }
.chat .me { justify-self: end; background: #D9FDD3; border-radius: 14px 14px 4px 14px; padding: 6px; width: 78%; }
.chat .map { height: 120px; border-radius: 10px; background:
  linear-gradient(90deg, transparent 47%, #fff 47% 53%, transparent 53%),
  linear-gradient(0deg, transparent 40%, #fff 40% 46%, transparent 46%),
  linear-gradient(35deg, transparent 60%, #F6E7B5 60% 66%, transparent 66%), #CFE8D6; position: relative; }
.chat .map::after { content: ''; position: absolute; left: 50%; top: 42%; width: 18px; height: 18px; border-radius: 50% 50% 50% 0; background: #E5484D; transform: translate(-50%, -100%) rotate(-45deg); }
.chat .me p { padding: 6px 6px 0; font-weight: 700; }
.chat .me small { display: block; text-align: right; color: #667781; font-size: 11px; padding: 0 6px; }
.mail { margin-top: 14px; background: #fff; border-radius: 16px; padding: 14px 16px; border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(11,21,51,.10); font-size: 14px; max-width: 360px; margin-inline: auto; }
.mail b { display: block; color: var(--ink); }
.mail span { color: var(--soft); }
.related-card { background: var(--bg); border-radius: 18px; padding: 22px; }
.related-card h3 { font-size: 18px; }
.related-card p { color: var(--soft); font-size: 15px; margin-top: 6px; }
.compare td strong { color: var(--ink); }
@media (max-width: 1100px) { .top nav { gap: 18px; font-size: 14px; } }

/* ===== Blog ===== */
.blog-hero { padding: 64px 0 40px; background: linear-gradient(180deg, var(--bg) 0%, #fff 100%); }
.blog-title { font-size: clamp(36px, 5vw, 56px); line-height: 1.08; margin-top: 18px; }
.blog-sub { margin-top: 18px; font-size: 19px; line-height: 1.65; color: var(--soft); max-width: 40em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip { font-size: 13px; font-weight: 800; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; }
.blog-list { padding: 24px 0 24px; }
.post-feature { display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: center; text-decoration: none; color: #fff; background: var(--navy); border-radius: 26px; padding: 44px; margin-bottom: 28px; }
.post-feature .tag { color: var(--navy); background: var(--mint); margin-left: 0; }
.post-feature h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.15; margin-top: 16px; }
.post-feature p { margin-top: 14px; color: rgba(255,255,255,.75); font-size: 17px; line-height: 1.65; }
.post-feature .go { display: inline-block; margin-top: 22px; font-weight: 800; color: var(--mint); }
.post-feature:hover h2 { text-decoration: underline; text-decoration-color: var(--mint); text-underline-offset: 6px; }
.feature-art { background: rgba(255,255,255,.06); border-radius: 20px; padding: 26px 26px 16px; }
.feature-art .bars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; align-items: end; height: 190px; }
.feature-art .bars i { display: flex; align-items: flex-start; justify-content: center; background: linear-gradient(180deg, var(--cobalt), rgba(31,68,230,.35)); border-radius: 10px 10px 4px 4px; }
.feature-art .bars i:last-child { background: linear-gradient(180deg, var(--mint), rgba(22,199,154,.35)); }
.feature-art .bars b { font: 700 13px 'Comfortaa', sans-serif; margin-top: 10px; color: #fff; }
.feature-art .years { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 10px; text-align: center; font-size: 12px; color: rgba(255,255,255,.6); }
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card { display: flex; flex-direction: column; gap: 12px; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px; transition: border-color .15s, transform .15s; }
.post-card:hover { border-color: var(--cobalt); }
.post-card h2, .post-card h3 { font-size: 20px; line-height: 1.32; }
.post-card p { color: var(--soft); font-size: 15px; line-height: 1.65; flex: 1; }
.post-card .tag, .post .tag { align-self: flex-start; margin-left: 0; }
.post-card .go { font-weight: 800; color: var(--cobalt); font-size: 14px; margin-top: 4px; }
@media (max-width: 960px) { .posts { grid-template-columns: 1fr 1fr; } .post-feature { grid-template-columns: 1fr; padding: 32px; } }
@media (max-width: 620px) { .posts { grid-template-columns: 1fr; } .post-feature { padding: 26px; border-radius: 20px; } .feature-art { display: none; } }

/* Artículo */
.post-head { background: var(--bg); padding: 56px 0 48px; border-bottom: 1px solid var(--line); }
.post-head .crumbs { margin-bottom: 20px; }
.post-title { font-size: clamp(32px, 4.6vw, 52px); line-height: 1.1; margin-top: 16px; max-width: 18em; }
.post-lead { margin-top: 20px; font-size: 20px; line-height: 1.6; color: var(--soft); max-width: 38em; }
.post-meta { display: flex; align-items: center; gap: 10px; margin-top: 24px; font-size: 14px; color: var(--soft); }
.post-meta .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font: 700 14px 'Comfortaa', sans-serif; }
.post-grid { display: grid; grid-template-columns: 240px minmax(0, 720px); gap: 64px; justify-content: center; padding-top: 48px; }
.post-side { position: relative; }
.toc { position: sticky; top: 104px; }
.toc p { font-size: 13px; font-weight: 800; color: var(--soft); margin-bottom: 12px; }
.toc ol { list-style: none; display: grid; gap: 2px; border-left: 2px solid var(--line); }
.toc a { display: block; padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent; font-size: 14px; line-height: 1.4; color: var(--soft); text-decoration: none; }
.toc a:hover { color: var(--ink); border-left-color: var(--cobalt); }
@media (max-width: 1020px) { .post-grid { grid-template-columns: minmax(0, 720px); } .post-side { display: none; } }
.post-body { font-size: 18px; line-height: 1.8; color: #29324A; }
.post-body > p:first-child { margin-top: 0; }
.post-body h2 { font-size: clamp(24px, 2.8vw, 30px); line-height: 1.25; color: var(--ink); margin: 56px 0 4px; scroll-margin-top: 96px; }
.post-body p { margin-top: 18px; }
.post-body ul, .post-body ol { margin: 18px 0 0 24px; display: grid; gap: 10px; }
.post-body li::marker { color: var(--mint-ink); font-weight: 800; }
.post-body a { color: var(--cobalt); font-weight: 700; text-underline-offset: 3px; }
.post-body strong { font-weight: 800; color: var(--ink); }
.table-wrap { margin-top: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; font-size: 15px; line-height: 1.5; }
.table-wrap .compare { min-width: 520px; }
.formula { margin-top: 22px; background: var(--tint); border-radius: 14px; padding: 18px 20px; font-size: 17px; line-height: 1.6; }
.callout { margin-top: 26px; border-left: 4px solid var(--mint); background: var(--mint-tint); border-radius: 0 14px 14px 0; padding: 18px 20px; font-size: 17px; }
.note-legal { margin-top: 48px !important; font-size: 13px !important; line-height: 1.6; color: var(--soft); border-top: 1px solid var(--line); padding-top: 18px; }
.cta-box { margin-top: 48px; background: var(--navy); color: #fff; border-radius: 24px; padding: 36px; }
.cta-box h2 { font-size: 26px; line-height: 1.25; }
.cta-box p { color: rgba(255,255,255,.75); margin: 12px 0 24px; font-size: 17px; line-height: 1.65; }
.post-faq { margin-top: 64px; }
.post-faq h2 { font-size: clamp(24px, 3vw, 32px); }
.calc { margin-top: 22px; background: var(--bg); border-radius: 18px; padding: 24px; display: grid; gap: 12px; max-width: 460px; font-size: 16px; line-height: 1.6; }
.calc label { font-weight: 800; font-size: 14px; }
.calc input { min-height: 48px; border: 1px solid #CBD2DE; border-radius: 12px; padding: 10px 14px; font: 500 16px 'Nunito', sans-serif; color: var(--ink); background: #fff; }
.calc-out { margin: 0 !important; color: var(--ink); }
@media (max-width: 620px) { .post-head { padding: 36px 0 32px; } .post-body { font-size: 17px; } .cta-box { padding: 26px; } }

/* Video de YouTube: portada propia; el reproductor se carga solo al dar clic. */
.yt { position: relative; margin-top: 36px; max-width: 960px; aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; background: var(--navy); box-shadow: 0 24px 60px rgba(11,21,51,.16); }
.yt-play { all: unset; position: absolute; inset: 0; cursor: pointer; display: block; }
.yt-play img { width: 100%; height: 100%; object-fit: cover; display: block; }
.yt-icon { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); transition: transform .15s ease; filter: drop-shadow(0 6px 16px rgba(0,0,0,.35)); }
.yt-play:hover .yt-icon, .yt-play:focus-visible .yt-icon { transform: translate(-50%, -50%) scale(1.08); }
.yt-play:focus-visible { outline: 3px solid var(--mint); outline-offset: -3px; }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-alt { margin-top: 12px; font-size: 15px; }
.yt-alt a { color: var(--cobalt); }
@media (prefers-reduced-motion: reduce) { .yt-icon { transition: none; } }
.videos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
.videos .yt { margin-top: 0; border-radius: 14px; box-shadow: 0 14px 36px rgba(11,21,51,.14); }
.vcard h3 { font-size: 19px; margin: 16px 0 6px; }
.vcard .dur { font: 600 13px 'Nunito', sans-serif; color: var(--soft); background: var(--bg); border-radius: 999px; padding: 2px 9px; margin-left: 6px; vertical-align: 2px; }
.vcard p { font-size: 15px; color: var(--soft); }
.vcard p a { color: var(--cobalt); font-weight: 600; }
@media (max-width: 900px) { .videos { grid-template-columns: 1fr; max-width: 560px; } }
.videos .yt-icon { top: 40%; }