/* Concepto: sitio de asesoría en un solo documento con vistas (Inicio, Blog, Artículo). Marca: azul marino, rojo, dorado; fotos reales de estudiantes y universidades. */
:root{
  --navy:#1A3355; --navy-deep:#10213a; --red:#A32028; --guindo:#6E1B2B; --gold:#B8963E; --gold-soft:#E2C16B;
  --bg:#0f1a2b; --surface:#16253c; --card:#1a2c47; --fg:#dbe3ef; --muted:#9fb0c7; --head:#f1f5fb; --line:#2a3f5f;
  --accent:#ef6b73; --wa:#1faa52; --wa-fg:#ffffff; --foot:#08111f; --shadow:0 2px 12px rgba(0,0,0,.4);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif; color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#ffffff; --surface:#EEF2F8; --card:#ffffff; --fg:#26303d; --muted:#586272; --head:#1A3355; --line:#d9e0ec;
  --accent:#A32028; --foot:#0d1b30; --shadow:0 2px 12px rgba(16,33,58,.14); color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.6}
.in{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:inherit}
img{max-width:100%;display:block}
h1,h2,h3{text-wrap:balance;line-height:1.15}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--bg)}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:var(--bg);box-shadow:0 1px 8px rgba(0,0,0,.12)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;padding-bottom:8px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:46px;width:auto;background:#fff;border-radius:8px}
.brand{font-weight:800;color:var(--head);font-size:15px;line-height:1.1}
nav{display:flex;gap:4px;align-items:center}
nav a,nav button{font:600 14px var(--font);color:var(--head);text-decoration:none;padding:8px 10px;border-radius:8px;background:none;border:0;cursor:pointer;white-space:nowrap}
nav a:hover,nav button:hover,nav a[aria-current="page"]{background:var(--surface);color:var(--accent)}
.burger{display:none}
@media(max-width:900px){
  .burger{display:inline-flex}
  nav{position:absolute;left:0;right:0;top:100%;background:var(--bg);flex-direction:column;align-items:stretch;padding:8px 16px 14px;box-shadow:0 8px 14px rgba(0,0,0,.15);display:none}
  nav.open{display:flex}
}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--wa);color:var(--wa-fg);font:700 16px var(--font);padding:13px 22px;border-radius:999px;border:0;text-decoration:none;cursor:pointer}
.btn.alt{background:transparent;border:2px solid #fff;color:#fff}
.btn.line{background:transparent;border:2px solid var(--accent);color:var(--accent)}
.wa-float{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:35;box-shadow:0 4px 14px rgba(0,0,0,.35)}
/* hero */
.hero{position:relative;overflow:hidden;color:#fff;padding:60px 0 110px;background:linear-gradient(135deg,rgba(16,33,58,.88),rgba(26,51,85,.72) 55%,rgba(74,28,46,.8)),url(/assets/img/hero.jpg) center/cover}
.hero .in{position:relative;z-index:1}
.dome{position:absolute;right:-20px;bottom:0;width:min(460px,72%);opacity:.9}
.eyebrow{color:var(--gold-soft);letter-spacing:.14em;font-weight:700;font-size:14px;text-transform:uppercase;margin:0 0 10px}
.hero h1{font-size:clamp(28px,6vw,46px);margin:0 0 14px;max-width:780px}
.hero p.lead{max-width:620px;font-size:18px;margin:0}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.quick{margin-top:-68px;position:relative;z-index:2}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.qc{display:block;text-decoration:none;color:#fff;border-radius:14px;padding:20px 14px;text-align:center;box-shadow:0 6px 18px rgba(0,0,0,.3)}
.qc b{display:block;font-size:19px;margin-top:6px}
.qc span{font-size:14px;opacity:.92}
.qc svg{width:34px;height:34px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.s1{background:var(--navy)}.s2{background:var(--red)}.s3{background:var(--guindo)}.s4{background:var(--gold)}
section{padding-block:48px}
.alt-bg{background:var(--surface)}
h2{color:var(--head);font-size:clamp(24px,4.5vw,34px);margin:0 0 8px;display:inline-block;border-bottom:3px solid var(--red);padding-bottom:4px}
.sub{color:var(--muted);margin:6px 0 24px}
/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:var(--surface);border-radius:12px;padding:18px 10px;text-align:center;color:var(--muted);font-size:14px}
.stat b{display:block;font-size:44px;line-height:1;color:var(--head);font-variant-numeric:tabular-nums}
.stat:nth-child(2) b{color:var(--accent)}.stat:nth-child(3) b{color:var(--gold)}
.band{color:#fff;text-align:center;padding:52px 16px;font-size:clamp(20px,4vw,30px);font-weight:700;background:linear-gradient(rgba(16,33,58,.78),rgba(16,33,58,.78)),url(/assets/img/band.jpg) center/cover}
.band em{color:var(--gold-soft);font-style:normal}
/* servicios interactivos */
.svc{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:20px;align-items:start}
.tabs{display:flex;flex-direction:column;gap:8px}
.tab{text-align:left;font:600 15px var(--font);background:var(--surface);color:var(--head);border:2px solid transparent;border-radius:12px;padding:13px 14px;cursor:pointer}
.tab[aria-selected="true"]{border-color:var(--accent);background:var(--card);box-shadow:var(--shadow)}
.panel{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:24px;min-width:0}
.panel h3{margin:0 0 10px;color:var(--head);font-size:24px}
.panel ul{margin:0 0 18px;padding-left:20px}
.panel li{margin-bottom:6px}
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;margin:4px 0 8px}
.prod{background:var(--surface);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.prod img{width:100%;aspect-ratio:1/1;object-fit:cover}
.prod .pb{padding:10px;display:flex;flex-direction:column;gap:4px;flex:1}
.prod strong{font-size:14px;color:var(--head);line-height:1.25}
.prod span{font-size:13px;color:var(--muted)}
.prod .mini{margin-top:auto;text-align:center;text-decoration:none;display:block}
@media(max-width:700px){.svc{grid-template-columns:minmax(0,1fr)}.tabs{flex-direction:row;overflow-x:auto;padding-bottom:4px}.tab{white-space:nowrap}}
/* fechas */
.fechas{display:grid;gap:10px;max-width:760px}
.fecha{display:flex;align-items:center;gap:14px;background:var(--card);border-radius:10px;box-shadow:var(--shadow);overflow:hidden;text-decoration:none;padding-right:14px}
.fecha .d{background:#000;color:#fff;text-align:center;padding:10px 14px;min-width:96px;font-weight:700;line-height:1.1}
.fecha .d small{display:block;font-weight:400}
.fecha em{margin-left:auto;font-style:normal;color:var(--accent);font-weight:700}
.pend{background:#ffeb3b;color:#222;padding:0 4px;border-radius:3px}
.fecha .d .pend{display:inline-block}
/* pasos */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.step{color:#fff;border-radius:14px;padding:22px;text-align:center;font-weight:600}
.step b{font-size:42px;display:block}
/* historias */
.hist{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
blockquote{margin:0;border-radius:14px;padding:22px;color:#fff}
blockquote p{margin:0 0 12px;font-size:18px}
blockquote strong{display:block}
blockquote small{opacity:.88}
.q1{background:var(--navy)}.q2{background:var(--red)}
.fotos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:16px}
.fotos img.flag{object-position:78% center}
.fotos img{border-radius:10px;aspect-ratio:4/5;object-fit:cover;width:100%}
.about{display:grid;grid-template-columns:170px minmax(0,1fr);gap:24px;align-items:center}
.about img{border-radius:14px;aspect-ratio:4/5;object-fit:cover;object-position:50% 25%;width:100%}
@media(max-width:640px){.about{grid-template-columns:minmax(0,1fr)}.about img{max-width:150px}}
/* blog */
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.post{background:var(--card);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;border:0;padding:0;text-align:left;font:inherit;color:inherit;cursor:pointer}
.post .pic{height:150px;background:var(--navy-deep) center/cover}
.post .t{padding:16px}
.post small{color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:12px}
.post h3{margin:6px 0;color:var(--head);font-size:19px}
.post p{margin:0;color:var(--muted);font-size:14px}
.post.soon{cursor:default;opacity:.85}
.more{margin-top:18px;font-weight:700}
.more a{color:var(--accent)}
.pagehead{color:#fff;padding:44px 0;background:linear-gradient(rgba(16,33,58,.86),rgba(16,33,58,.86)),url(/assets/img/hero.jpg) center/cover}
.pagehead h1{margin:0 0 6px;font-size:clamp(26px,5vw,38px)}
.pagehead p{margin:0;opacity:.9}
.art{max-width:760px;margin:0 auto;padding:34px max(16px,env(safe-area-inset-left,0px)) 56px}
.art .cover{border-radius:14px;margin-bottom:20px;width:100%;aspect-ratio:16/8;object-fit:cover}
.art h2{font-size:24px;margin:28px 0 6px;border:0;display:block;padding:0}
.art .meta{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px}
.art .lead2{font-size:20px;line-height:1.5;color:var(--head);margin:0 0 8px}
.reason{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:28px 0;border-top:1px solid var(--line)}
.reason .n{width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center}
.reason h2{margin:0 0 10px;font-size:22px}
.reason .dato{display:inline-block;margin:0 0 10px;background:rgba(184,150,62,.18);color:var(--gold-soft);border-radius:8px;padding:6px 12px;font-weight:700;font-size:15px}
.reason p{margin:0 0 10px}
.reason figure{margin:16px 0 0}
.reason figure img{border-radius:12px;width:100%;aspect-ratio:16/9;object-fit:cover}
.reason figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.closing{margin-top:28px;background:var(--surface);border-radius:14px;padding:22px}
.closing p{margin:0 0 14px;font-size:18px;color:var(--head)}
.src{font-size:13px;color:var(--muted);margin-top:22px}
.src a{color:var(--accent)}
@media(max-width:520px){.reason{grid-template-columns:minmax(0,1fr)}}
.note{background:var(--surface);border-left:4px solid var(--gold);padding:12px 16px;border-radius:8px;font-size:14px;margin-top:26px}
.back{background:none;border:0;color:#fff;font:600 14px var(--font);cursor:pointer;padding:0 0 12px;text-decoration:underline}
/* contacto */
.ctc{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.box{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:22px;min-width:0}
.box h3{margin:0 0 10px;color:var(--head)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-weight:600;font-size:14px;color:var(--head)}
select,input,textarea{font:16px var(--font);padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--fg);width:100%}
.copyrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.copyrow code{font:600 15px var(--font);background:var(--surface);padding:8px 12px;border-radius:8px;overflow-wrap:anywhere}
.mini{font:600 13px var(--font);padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--head);cursor:pointer}
/* footer */
footer{background:var(--foot);color:#fff;font-size:14px}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:30px;padding:44px 0 28px}
.fbrand img{height:54px;background:#fff;border-radius:8px;padding:4px;margin-bottom:12px}
.fbrand p{margin:0;opacity:.8;max-width:300px}
footer h4{color:var(--gold-soft);margin:0 0 12px;font-size:15px;letter-spacing:.05em;text-transform:uppercase}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:0 0 8px;opacity:.9}
footer li a,footer li button{color:#fff;text-decoration:none;opacity:.85;background:none;border:0;padding:0;font:inherit;cursor:pointer;text-align:left}
footer li a:hover,footer li button:hover{opacity:1;color:var(--gold-soft)}
.fbot{border-top:1px solid rgba(255,255,255,.14);padding:16px 0 20px;font-size:12.5px;opacity:.75;text-align:center}
@media(max-width:820px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:minmax(0,1fr)}}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chip{font:600 14px var(--font);background:var(--surface);color:var(--head);border:2px solid transparent;border-radius:999px;padding:8px 14px;cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--accent);background:var(--card)}
.unis{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.uni{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:16px;display:flex;flex-direction:column;gap:4px;min-width:0}
.uni b{font-size:22px;color:var(--gold-soft);letter-spacing:.02em}
.uni span{color:var(--head);font-weight:600;line-height:1.3}
.uni small{color:var(--muted)}
.faq{display:grid;gap:10px;max-width:780px}
.faq details{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:0}
.faq summary{cursor:pointer;font-weight:700;color:var(--head);padding:16px 18px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0;padding:0 18px 16px;color:var(--fg)}
.more a{color:var(--accent);font-weight:700}
.scards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.scards.two{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.scard{display:flex;flex-direction:column;gap:6px;background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:20px;text-decoration:none;min-width:0;border:2px solid transparent}
.scard:hover{border-color:var(--accent)}
.scard h3{margin:0;color:var(--head);font-size:19px}
.scard p{margin:0;color:var(--muted);font-size:14.5px}
.scard span{margin-top:auto;padding-top:8px;color:var(--accent);font-weight:700}
.sblock{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:24px;padding:28px 0;border-top:1px solid var(--line);align-items:start}
.sblock:first-child{border-top:0;padding-top:0}
.sblock h2{font-size:26px}
@media(max-width:720px){.sblock{grid-template-columns:minmax(0,1fr);gap:12px}}
ul.ticks{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:8px}
ul.ticks li{position:relative;padding-left:26px}
ul.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;border-left:3px solid var(--gold-soft);border-bottom:3px solid var(--gold-soft);transform:rotate(-45deg)}
ul.ticks.wide{max-width:760px}
.mods{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:20px}
.mod{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column;gap:6px;min-width:0}
.mod h3{margin:0;color:var(--head);font-size:21px}
.mod p{margin:0 0 6px}
.mod .btn{margin-top:auto;align-self:flex-start}
.mod ul.ticks{margin-bottom:16px}
.tag{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-soft)}
.banner{max-width:none;margin-bottom:6px}
.prods.big{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.prods.big .prod strong{font-size:15px}
.lab{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-soft);margin:8px 0 2px!important}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.pills span{background:var(--surface);color:var(--head);border-radius:999px;padding:6px 14px;font-weight:600;font-size:14px}
.pagehead .orig{font-size:18px;font-weight:600;opacity:1;color:#fff}
.pagehead .orig2{margin-top:4px;opacity:.8;font-size:15px}
.acts{display:flex;gap:10px;flex-wrap:wrap}
.view[hidden]{display:none!important}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(80px + env(safe-area-inset-bottom,0px));background:#10213a;color:#fff;padding:10px 16px;border-radius:999px;font-size:14px;z-index:50;box-shadow:0 4px 14px rgba(0,0,0,.4)}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}

.back{display:inline-block}
.prod img{height:auto;aspect-ratio:1/1;object-fit:contain;background:#e9edf2}
.about{grid-template-columns:280px minmax(0,1fr);gap:32px}
.about img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:16px;box-shadow:var(--shadow)}
@media(max-width:640px){.about{grid-template-columns:minmax(0,1fr)}.about img{max-width:260px}}