:root{
  --bg:#fbfcff; --surface:#ffffff; --surface-2:#f3f6fb; --ink:#0b1530; --ink-2:#3a4560; --ink-3:#66708a;
  --line:#e2e8f2; --brand:#1d4ed8; --brand-2:#0ea5e9; --accent:#06b6d4; --ok:#10b981; --warn:#ef4444;
  --glow-1:rgba(60,191,251,.22); --glow-2:rgba(85,149,247,.16); --grid:rgba(13,16,32,.045);
  --shadow:0 1px 2px rgba(13,16,32,.05),0 12px 32px -12px rgba(13,16,32,.18);
  --radius:18px;
  --glass:var(--surface); --glass-line:var(--line); --chip-bg:color-mix(in srgb,var(--surface) 70%,transparent); --chip-line:var(--line); --chip-ink:var(--ink-2);
  --band:color-mix(in srgb,var(--surface-2) 70%,transparent); --band-line:var(--line); --card-shadow:0 10px 15px -3px rgba(13,16,32,.08),0 4px 6px -4px rgba(13,16,32,.08);
  --grad-text:linear-gradient(90deg,var(--brand),var(--brand-2) 55%,var(--accent));
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#070a18; --surface:#0f1326; --surface-2:#151a31; --ink:#f3f4fa; --ink-2:#c3c6d6; --ink-3:#8b90a8;
  --line:#22283f; --glow-1:rgba(22,177,249,.16); --glow-2:rgba(85,149,247,.22); --grid:rgba(255,255,255,.04);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.7);
  --glass:rgba(255,255,255,.05); --glass-line:rgba(255,255,255,.1); --chip-bg:rgba(255,255,255,.05); --chip-line:rgba(255,255,255,.1); --chip-ink:#eceef6;
  --band:rgba(255,255,255,.02); --band-line:rgba(255,255,255,.05); --card-shadow:0 6px 30px -10px rgba(4,11,30,.5);
  --grad-text:linear-gradient(90deg,#b5c7fd,#abd9fc 55%,#74d2fd);
}}
:root[data-theme="dark"]{
  --bg:#070a18; --surface:#0f1326; --surface-2:#151a31; --ink:#f3f4fa; --ink-2:#c3c6d6; --ink-3:#8b90a8;
  --line:#22283f; --glow-1:rgba(22,177,249,.16); --glow-2:rgba(85,149,247,.22); --grid:rgba(255,255,255,.04);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.7);
  --glass:rgba(255,255,255,.05); --glass-line:rgba(255,255,255,.1); --chip-bg:rgba(255,255,255,.05); --chip-line:rgba(255,255,255,.1); --chip-ink:#eceef6;
  --band:rgba(255,255,255,.02); --band-line:rgba(255,255,255,.05); --card-shadow:0 6px 30px -10px rgba(4,11,30,.5);
  --grad-text:linear-gradient(90deg,#b5c7fd,#abd9fc 55%,#74d2fd);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Plus Jakarta Sans",Inter,sans-serif;letter-spacing:-.025em;line-height:1.1}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.wrap{padding:0 28px}}
.mono{font-family:"JetBrains Mono",monospace}
.grad{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
svg.i{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
/* Barra superior: transparente arriba, píldora flotante al hacer scroll */
.topbar{position:fixed;left:0;right:0;top:0;z-index:50;padding:16px 0;transition:padding .3s ease}
.topbar.scrolled{padding:8px 0}
.topbar+main{padding-top:88px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 8px 8px 16px;border-radius:999px;border:1px solid transparent;background:transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,-webkit-backdrop-filter .3s,backdrop-filter .3s}
.topbar.scrolled .nav,.topbar.open .nav{border-color:color-mix(in srgb,var(--line) 85%,transparent);background:color-mix(in srgb,var(--surface) 80%,transparent);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);backdrop-filter:blur(24px) saturate(1.4);box-shadow:0 6px 30px -10px rgba(10,36,90,.22)}
:root[data-theme="dark"] .topbar.scrolled .nav,:root[data-theme="dark"] .topbar.open .nav{border-color:rgba(255,255,255,.1);background:rgba(7,10,24,.7)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .topbar.scrolled .nav,:root:not([data-theme="light"]) .topbar.open .nav{border-color:rgba(255,255,255,.1);background:rgba(7,10,24,.7)}}
.nav .logo{padding-right:12px}
.links{display:none;align-items:center;gap:4px}
.links a,.signin{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);transition:background .2s,color .2s}
.links a:hover,.signin:hover,.links a[aria-current]{background:color-mix(in srgb,var(--ink) 6%,transparent);color:var(--ink)}
.links .pill-new{margin-left:6px;font-size:9px;padding:2px 6px;letter-spacing:.06em;vertical-align:0}
.signin{display:none}
.nav .nav-cta{display:none;padding:8px 16px;font-size:14px;gap:6px}
.nav-cta svg.i{width:14px;height:14px}
.nav .icon-btn{width:38px;height:38px}
/* Celulares angostos: el logo con su etiqueta y los 3 botones no cabían en 390 px y la página se desbordaba */
@media(max-width:420px){.nav{padding-left:12px;gap:8px}.nav .logo{padding-right:0;font-size:17px;gap:8px}.actions{gap:6px}.nav .icon-btn{width:34px;height:34px}}
@media(max-width:380px){.actions{gap:4px}.nav .icon-btn{width:32px;height:32px}.nav .logo{font-size:16px;gap:6px}.nav .logo-mark{width:30px;height:30px}.nav .tag{font-size:10px;padding:2px 5px}}
@media(max-width:340px){.nav .tag{display:none}}
@media(min-width:640px){.signin,.nav .nav-cta{display:inline-flex}}
@media(min-width:768px){.links{display:flex}.burger{display:none!important}}
.lang{position:relative}
.lang-btn{position:relative}
/* Menú desplegable de Intranet (Colegio y Academia) */
.intra-dd{position:relative;display:none}
@media(min-width:640px){.intra-dd{display:block}}
.intra-btn{gap:4px;border:0;background:none;font:inherit;font-size:14px;font-weight:500;cursor:pointer}
.intra-btn .chev{width:15px;height:15px;transition:transform .2s}
.intra-btn[aria-expanded="true"]{background:color-mix(in srgb,var(--ink) 6%,transparent);color:var(--ink)}
.intra-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.intra-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:250px;padding:6px;border-radius:16px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);animation:nav-pop .15s ease;z-index:5}
.intra-menu a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--ink);font-size:14px;font-weight:600;line-height:1.3}
.intra-menu a:hover{background:var(--surface-2)}
.intra-menu small{display:block;font-size:12px;font-weight:400;color:var(--ink-3)}
.intra-ic{width:34px;height:34px;flex:none;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.intra-ic svg.i{width:17px;height:17px}
.flag{width:20px;height:14px;border-radius:3px;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.lang-code{position:absolute;right:-3px;bottom:-3px;padding:1px 3px;border-radius:5px;background:var(--ink);color:var(--bg);font:700 8px/1.1 "JetBrains Mono",monospace}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;padding:6px;border-radius:16px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);animation:nav-pop .15s ease}
.lang-menu button{display:flex;width:100%;align-items:center;gap:10px;padding:8px 12px;border:0;border-radius:12px;background:none;color:var(--ink);font:inherit;font-size:14px;cursor:pointer;text-align:left}
.lang-menu button:hover:not([disabled]){background:var(--surface-2)}
.lang-menu button[disabled]{opacity:.5;cursor:default}
.lang-menu .ck{margin-left:auto;width:14px;height:14px;color:var(--brand)}
.lang-menu small{margin-left:auto;font-size:11px;color:var(--ink-3)}
.burger .close,.topbar.open .burger .open{display:none}
.topbar.open .burger .close{display:block}
.nav-mobile{margin-top:8px;padding:12px;border-radius:24px;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 90%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow);animation:nav-drop .2s ease}
.nav-mobile nav{display:flex;flex-direction:column}
.nav-mobile a{padding:12px 16px;border-radius:16px;font-size:14px;font-weight:500;color:var(--ink-2)}
.nav-mobile a:hover{background:var(--surface-2);color:var(--ink)}
.nav-mobile a.go{margin-top:4px;text-align:center;font-weight:600;background:var(--ink);color:var(--bg)}
@media(min-width:768px){.nav-mobile{display:none!important}}
@keyframes nav-pop{from{opacity:0;transform:translateY(-4px) scale(.95)}}
@keyframes nav-drop{from{opacity:0;transform:translateY(-8px)}}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-family:"Plus Jakarta Sans";font-size:19px}
.logo-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.tag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:7px;background:var(--accent);color:#fff;font-family:"JetBrains Mono"}
.pill-new{font-size:10px;font-weight:700;padding:2px 7px;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;margin-left:6px;vertical-align:2px}
.actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;border-radius:999px;padding:11px 20px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:var(--bg)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-brand{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 30px -10px var(--brand)}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:var(--ink)}

/* hero */
/* Brillos y manchas decorativas no deben ensanchar la página en celulares (el navegador alejaría la vista) */
main{overflow-x:clip}
.hero{position:relative;padding:56px 0 80px;text-align:center;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%)}
.blob{position:absolute;z-index:-1;border-radius:50%;filter:blur(70px)}
.b1{width:520px;height:520px;background:var(--glow-1);left:-120px;top:-60px;animation:float 14s ease-in-out infinite}
.b2{width:460px;height:460px;background:var(--glow-2);right:-120px;top:120px;animation:float 18s ease-in-out infinite reverse}
@keyframes float{50%{transform:translate(40px,30px)}}
.bar{height:9px;border-radius:5px;background:color-mix(in srgb,var(--ink-3) 30%,transparent)}
.bar.hl{background:linear-gradient(90deg,var(--accent),#fb7185)}
.chip{display:inline-flex;align-items:center;gap:10px;padding:6px 8px 6px 6px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);font-size:13px;font-weight:500;color:var(--ink-2);position:relative;margin-top:-28px}
.chip .a{padding:3px 10px;border-radius:999px;border:1px solid var(--line);font-weight:700;color:var(--brand);font-size:12px}
.chip .b{padding:3px 10px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;font-size:11px;letter-spacing:.04em}
.hero h1{font-size:clamp(40px,7.4vw,84px);font-weight:800;margin:26px auto 22px;max-width:15ch}
.hero p.lead{max-width:640px;margin:0 auto;font-size:clamp(16px,2vw,19px);color:var(--ink-2)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:30px;font-size:14px;color:var(--ink-3)}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust svg{color:var(--ok)}

/* sections */
section{padding:90px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.08em}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px}
.sec-head h2{font-size:clamp(30px,4.6vw,50px);margin:12px 0 14px;font-weight:800}
.sec-head p{color:var(--ink-2);font-size:17px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.blob,.scan{animation:none}}

/* report mockup */
.report-grid{display:grid;gap:32px;align-items:center}
@media(min-width:960px){.report-grid{grid-template-columns:.85fr 1.15fr}}
.report-copy h2{font-size:clamp(30px,4vw,46px);font-weight:800;margin:12px 0 16px}
.report-copy p{color:var(--ink-2);font-size:17px}
.report{padding:0;overflow:hidden}
.report-top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.report-body{display:grid;gap:0}
@media(min-width:640px){.report-body{grid-template-columns:1.4fr 1fr}}
.paper{padding:24px;font-size:14px;color:var(--ink-2);border-right:1px solid var(--line)}
.paper h4{font-size:15px;color:var(--ink);margin-bottom:10px}
.paper p{margin-bottom:10px}
mark{background:color-mix(in srgb,var(--accent) 22%,transparent);color:inherit;border-bottom:2px solid var(--accent);padding:0 2px;border-radius:3px}
mark.sim{background:color-mix(in srgb,var(--brand) 18%,transparent);border-color:var(--brand)}
.paper .pg{font-size:12px;color:var(--ink-3);margin-top:14px}
.stats{padding:24px;display:flex;flex-direction:column;gap:18px;background:var(--surface-2)}
.ring{display:flex;align-items:center;gap:16px}
.ring svg{width:76px;height:76px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:8}
.ring .t{stroke:var(--line)}
.ring .v{stroke:url(#g1);stroke-linecap:round;stroke-dasharray:201;stroke-dashoffset:201;transition:stroke-dashoffset 1.6s ease}
.ring b{font-size:26px;font-family:"Plus Jakarta Sans"}
.meter{font-size:13px;color:var(--ink-2)}
.meter .row{display:flex;justify-content:space-between;margin-bottom:6px}
.meter .track{height:7px;border-radius:9px;background:var(--line);overflow:hidden}
.meter .fill{height:100%;border-radius:9px;background:linear-gradient(90deg,var(--brand),var(--brand-2));width:0;transition:width 1.6s ease}
.note{font-size:12.5px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:14px}

/* assistant */
.assistant{display:grid;gap:36px;padding:44px 28px;position:relative;overflow:hidden}
@media(min-width:960px){.assistant{grid-template-columns:1.1fr .9fr;padding:56px}}
.assistant::after{content:"";position:absolute;right:-140px;top:-140px;width:380px;height:380px;border-radius:50%;background:var(--glow-2);filter:blur(60px);z-index:0}
.assistant>*{position:relative;z-index:1}
.assistant h2{font-size:clamp(28px,3.8vw,42px);font-weight:800;margin:12px 0 14px}
.assistant p{color:var(--ink-2)}
.intra-btns{display:flex;flex-wrap:wrap;gap:10px}
ul.checks{list-style:none;display:grid;gap:12px;margin:22px 0 28px}
ul.checks li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2);font-size:15px}
ul.checks svg{color:var(--ok);margin-top:3px}
.tiers{display:grid;gap:12px}
.tier{padding:18px 20px;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);display:flex;gap:14px;align-items:flex-start}
.tier .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;flex:none}
.tier b{font-family:"Plus Jakarta Sans";display:block}
.tier small{color:var(--ink-3)}
.tier .badge{margin-left:auto;font-size:11px;font-weight:700;padding:3px 9px;border-radius:99px;border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee .track-m{display:flex;gap:48px;width:max-content;animation:mq 34s linear infinite;font-family:"Plus Jakarta Sans";font-weight:700;font-size:20px;color:var(--ink-3)}
.marquee span::before{content:"✦";margin-right:48px;color:var(--accent)}
@keyframes mq{to{transform:translateX(-50%)}}

/* features */

/* steps */

/* pay */
.pay{text-align:center;padding:52px 24px}
.pay h2{font-size:clamp(28px,4vw,42px);margin:12px 0}
.pay p{color:var(--ink-2);max-width:600px;margin:0 auto}
.methods{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:28px 0 18px}
.method{height:44px;min-width:86px;padding:0 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.02em;color:var(--ink-2)}
.small-ok{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--ink-3)}

/* integrity */
.integrity{display:grid;gap:34px;align-items:start}
@media(min-width:960px){.integrity{grid-template-columns:1.2fr .8fr}}
.integrity h2{font-size:clamp(30px,4.4vw,48px);margin:12px 0 16px;font-weight:800}
.integrity p{color:var(--ink-2);font-size:16.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:600;color:var(--brand)}
.rules{padding:26px}
.rules ul.checks{margin:0}

/* final cta */

/* footer */
footer{border-top:1px solid var(--line);padding:60px 0 34px;margin-top:60px}
.foot{display:grid;gap:34px}
@media(min-width:900px){.foot{grid-template-columns:1.6fr repeat(3,1fr)}}
.foot p{color:var(--ink-3);font-size:14px;max-width:360px;margin:14px 0}
.foot h4{font-size:14px;margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:9px;font-size:14px;color:var(--ink-3)}
.foot a:hover{color:var(--ink)}
.foot .small-ok{display:flex;width:fit-content;margin-top:8px}
.copy{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:40px;padding-top:22px;font-size:13px;color:var(--ink-3)}

/* Cómo funciona */
.how{position:relative;overflow:hidden;background:var(--band);border-block:1px solid var(--band-line)}
.sec-top{max-width:680px;margin:0 auto;text-align:center}
.sec-chip{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:999px;border:1px solid var(--chip-line);background:var(--chip-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:12px;font-weight:500;color:var(--chip-ink)}
.sec-top h2{margin-top:16px;font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.1}
.sec-top h2 .grad{display:inline-block}
.sec-top p{margin-top:16px;font-size:clamp(16px,1.6vw,18px);color:var(--ink-2)}
.how-grid{position:relative;display:grid;gap:24px;margin-top:64px}
@media(min-width:1024px){.how-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.how-line{display:none;position:absolute;left:50%;top:40px;height:calc(100% - 80px);width:1px;background:linear-gradient(to bottom,transparent,var(--glass-line),transparent);pointer-events:none}
@media(min-width:1024px){.how-line{display:block}}
.how-card{position:relative;height:100%;padding:28px;border-radius:24px;border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--card-shadow)}
.how-card .top{display:flex;align-items:center;justify-content:space-between}
.how-card .lbl{font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:600;letter-spacing:.1em;color:var(--ink-3)}
.how-card .ic{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:var(--ink);color:var(--bg)}
.how-card .ic svg.i{width:20px;height:20px}
.how-card h3{margin-top:24px;font-size:20px;font-weight:700}
.how-card p{margin-top:8px;font-size:14px;line-height:1.65;color:var(--ink-2)}

/* CTA final (#start) */
.start-card{position:relative;overflow:hidden;isolation:isolate;border-radius:32px;padding:40px 24px;text-align:center;color:#fff;
  background:linear-gradient(to bottom right,#0d1020,#0d1020 45%,#1d4595);box-shadow:0 6px 30px -10px rgba(10,36,90,.35)}
@media(min-width:640px){.start-card{padding:64px}}
:root[data-theme="dark"] .start-card{background:linear-gradient(to bottom right,#0d1020,#070a18 45%,#102b65)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .start-card{background:linear-gradient(to bottom right,#0d1020,#070a18 45%,#102b65)}}
.start-glow{position:absolute;left:50%;top:50%;width:40rem;height:40rem;margin:-20rem 0 0 -20rem;border-radius:50%;z-index:-1;pointer-events:none;
  background:conic-gradient(from 0deg,rgba(58,116,237,.5),rgba(70,167,239,.4),rgba(22,177,249,.35),rgba(58,116,237,.5));opacity:.22;filter:blur(64px);animation:start-spin 20s linear infinite}
.start-grid{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.3;background-image:linear-gradient(to right,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.06) 1px,transparent 1px);background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%)}
@keyframes start-spin{to{transform:rotate(360deg)}}
.start-chip{display:inline-flex;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:12px;font-weight:600;color:rgba(255,255,255,.9)}
.start-card h2{max-width:768px;margin:20px auto 0;font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.15;color:#fff}
.start-card h2 span{background:linear-gradient(to right,#d6dffe,#fff,#74d2fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.start-card p{max-width:576px;margin:20px auto 0;font-size:16px;color:rgba(255,255,255,.7)}
.start-acts{margin-top:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
@media(min-width:640px){.start-acts{flex-direction:row}}
.start-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;background:#fff;color:#0d1020;font-size:14px;font-weight:600;box-shadow:0 6px 30px -10px rgba(0,0,0,.4);transition:transform .2s,box-shadow .2s}
.start-btn:hover{transform:translateY(-1px);box-shadow:0 10px 40px -8px rgba(58,116,237,.6)}
.start-btn svg.i{width:16px;height:16px;transition:transform .2s}
.start-btn:hover svg.i{transform:translateX(2px)}
.start-btn.ghost{background:rgba(255,255,255,.05);color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.15);box-shadow:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.start-btn.ghost:hover{background:rgba(255,255,255,.1)}
@media(prefers-reduced-motion:reduce){.start-glow{animation:none}}
section.how,section.start{padding:96px 0}
@media(min-width:640px){section.how,section.start{padding:128px 0}}
.start-btn[hidden]{display:none}

/* Características */
section.feats{padding:96px 0}
@media(min-width:640px){section.feats{padding:128px 0}}
.feat-grid{display:grid;gap:20px;margin-top:64px}
@media(min-width:640px){.feat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.feat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.feat-card{position:relative;overflow:hidden;height:100%;padding:28px;border-radius:24px;border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--card-shadow);
  transition:opacity .8s ease,transform .3s ease,box-shadow .3s ease}
.feat-card.in:hover{transform:translateY(-2px);box-shadow:0 0 60px -10px rgba(58,116,237,.55)}
.feat-card .glow{position:absolute;right:-48px;top:-48px;width:160px;height:160px;border-radius:50%;background:rgba(139,169,250,.1);filter:blur(40px);pointer-events:none;transition:background .3s}
.feat-card:hover .glow{background:rgba(139,169,250,.2)}
.feat-card .ic{position:relative;width:44px;height:44px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(to bottom right,var(--brand),var(--brand-2));box-shadow:0 6px 30px -10px rgba(58,116,237,.5)}
.feat-card .ic svg.i{width:20px;height:20px}
.feat-card h3{position:relative;margin-top:20px;font-size:18px;font-weight:700}
.feat-card p{position:relative;margin-top:8px;font-size:14px;line-height:1.65;color:var(--ink-2)}
#theme .moon{display:none}
:root[data-theme="dark"] #theme .sun{display:none}
:root[data-theme="dark"] #theme .moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) #theme .sun{display:none}:root:not([data-theme="light"]) #theme .moon{display:block}}

/* Hero de inicio (réplica del original: escena 3D + titular rotativo) */
.topbar+main.flush{padding-top:0}
.home-hero{position:relative;isolation:isolate;display:flex;flex-direction:column;min-height:100vh;min-height:100svh;overflow:hidden;text-align:center;
  --hh-c1:rgba(139,169,250,.35);--hh-c2:rgba(92,137,246,.2);--hh-c3:rgba(121,195,249,.35)}
:root[data-theme="dark"] .home-hero{--hh-c1:rgba(92,137,246,.45);--hh-c2:rgba(139,169,250,.2);--hh-c3:rgba(121,195,249,.3)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .home-hero{--hh-c1:rgba(92,137,246,.45);--hh-c2:rgba(139,169,250,.2);--hh-c3:rgba(121,195,249,.3)}}
.home-hero>[aria-hidden]{position:absolute;pointer-events:none}
.hh-grid{inset:0;z-index:-10;opacity:.5;background-size:56px 56px;
  background-image:linear-gradient(to right,rgba(15,18,38,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(15,18,38,.08) 1px,transparent 1px);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 35%,transparent 75%);mask-image:radial-gradient(ellipse at center,#000 35%,transparent 75%)}
.hh-grid.dk{display:none;opacity:.4;background-image:linear-gradient(to right,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.06) 1px,transparent 1px)}
:root[data-theme="dark"] .hh-grid.dk{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hh-grid.dk{display:block}}
.hh-glow{left:50%;top:8%;z-index:-10;width:24rem;height:24rem;margin-left:-12rem;border-radius:50%;filter:blur(64px);
  background:linear-gradient(to top right,var(--hh-c1),var(--hh-c2),var(--hh-c3));animation:hh-pulse 8s ease-in-out infinite}
@media(min-width:640px){.hh-glow{width:40rem;height:40rem;margin-left:-20rem}}
.hh-drift{display:none;z-index:-10;width:18rem;height:18rem;border-radius:50%;filter:blur(64px)}
.hh-drift.d1{left:-10rem;top:10rem;background:rgba(60,191,251,.2);animation:hh-drift1 22s ease-in-out infinite}
.hh-drift.d2{right:-10rem;top:18rem;background:rgba(92,137,246,.2);animation:hh-drift2 28s ease-in-out infinite}
@media(min-width:640px){.hh-drift{display:block}}
.hh-fade-top{left:0;right:0;top:0;height:10rem;z-index:-10;background:linear-gradient(to bottom,var(--bg),color-mix(in srgb,var(--bg) 60%,transparent),transparent)}
.hh-scene{inset:0;z-index:-5}
.hh-canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1s ease-out}
.hh-canvas.on{opacity:1}
.hh-fade-bottom{left:0;right:0;bottom:0;height:58%;z-index:-4;background:linear-gradient(to top,var(--bg),color-mix(in srgb,var(--bg) 80%,transparent),transparent)}
@keyframes hh-pulse{0%,100%{opacity:.35}50%{opacity:.6}}
@keyframes hh-drift1{0%,100%{transform:translate(0) scale(1)}33%{transform:translate(60px,-40px) scale(1.08)}66%{transform:translate(-30px,30px) scale(.96)}}
@keyframes hh-drift2{0%,100%{transform:translate(0) scale(1)}25%{transform:translate(-50px,40px) scale(1.05)}60%{transform:translate(40px,-20px) scale(1.1)}}

.hh-content{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-top:46vh;padding-top:46svh;padding-bottom:64px}
@media(min-width:640px){.hh-content{padding-bottom:80px}}
@media(min-width:768px){.hh-content{padding-top:48vh;padding-top:48svh}}
.hh-inner{width:100%;max-width:896px;margin:0 auto}
.hh-in{opacity:0;transform:translateY(24px);animation:hh-in .7s cubic-bezier(.21,.6,.35,1) forwards;animation-delay:calc(var(--i) * .08s + .06s)}
@keyframes hh-in{to{opacity:1;transform:none}}
.hh-chip{gap:10px;padding:6px 12px 6px 8px;font-size:12px}
.hh-chip .b{background:linear-gradient(90deg,var(--brand),var(--brand-2));font-size:10px;letter-spacing:.06em}
.hh-title{position:relative;margin-top:20px;font-size:2.35rem;font-weight:800;line-height:1.12;letter-spacing:-.025em}
@media(min-width:640px){.hh-title{font-size:3.75rem}}
@media(min-width:768px){.hh-title{font-size:4.5rem}}
.hh-box{position:relative;display:block}
.hh-ghost{display:block;visibility:hidden;white-space:nowrap;padding-bottom:8px}
.hh-stage{position:absolute;inset:0;display:block;overflow:visible}
.hl-pre,.hl-acc{display:block;white-space:nowrap;transition:transform .55s cubic-bezier(.21,.6,.35,1),opacity .55s cubic-bezier(.21,.6,.35,1);will-change:transform,opacity}
.hl-pre{padding-bottom:4px}
.hl-acc{padding-bottom:8px;transition-delay:.06s}
.hh-stage.out .hl-pre{transform:translateX(-70px);opacity:0}
.hh-stage.out .hl-acc{transform:translateX(70px);opacity:0}
.hh-stage.pre-in .hl-pre{transform:translateX(70px);opacity:0;transition:none}
.hh-stage.pre-in .hl-acc{transform:translateX(-70px);opacity:0;transition:none}
.hh-stage.typing .hl-acc::after{content:"";display:inline-block;width:3px;height:.9em;margin-left:4px;vertical-align:-.08em;background:var(--brand);animation:hh-caret 1s steps(1) infinite}
@keyframes hh-caret{50%{opacity:0}}
.hh-sub{max-width:672px;margin:20px auto 0;font-size:16px;line-height:1.65;color:var(--ink-2);text-wrap:balance}
@media(min-width:640px){.hh-sub{font-size:18px}}
.hh-ctas{margin-top:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
@media(min-width:640px){.hh-ctas{flex-direction:row}}
.hbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:14px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s}
.hbtn svg.i{width:16px;height:16px;transition:transform .2s}
.hbtn.primary{background:var(--ink);color:var(--bg);box-shadow:0 6px 30px -10px rgba(10,36,90,.35)}
.hbtn.primary:hover{transform:translateY(-1px);box-shadow:0 0 60px -10px rgba(58,116,237,.55)}
.hbtn.primary:hover svg.i{transform:translateX(2px)}
.hbtn.ghost{border:1px solid var(--chip-line);background:color-mix(in srgb,var(--surface) 60%,transparent);color:var(--ink);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
:root[data-theme="dark"] .hbtn.ghost{background:rgba(255,255,255,.05)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hbtn.ghost{background:rgba(255,255,255,.05)}}
.hbtn.ghost:hover{background:var(--surface)}
:root[data-theme="dark"] .hbtn.ghost:hover{background:rgba(255,255,255,.1)}
.hbtn .spark{width:14px;height:14px;color:var(--brand)}
:root[data-theme="dark"] .hbtn .spark{color:#b5c7fd}
.hh-trust{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 24px;font-size:12px;color:var(--ink-3)}
.hh-trust span{display:inline-flex;align-items:center;gap:6px}
.hh-trust svg.i{width:14px;height:14px;color:var(--ok)}
.hh-cue{display:none;margin-top:40px;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.2em;color:var(--ink-3);opacity:0;animation:hh-fade .8s 1.4s forwards;transition:color .2s}
.hh-cue:hover{color:var(--ink)}
.hh-cue svg.i{width:16px;height:16px;animation:hh-bounce 1s infinite}
@media(min-width:640px){.hh-cue{display:flex}}
@keyframes hh-fade{to{opacity:1}}
@keyframes hh-bounce{0%,100%{transform:translateY(-25%);animation-timing-function:cubic-bezier(.8,0,1,1)}50%{transform:none;animation-timing-function:cubic-bezier(0,0,.2,1)}}
@media(prefers-reduced-motion:reduce){.hh-glow,.hh-drift,.hh-cue svg.i{animation:none}.hh-in,.hh-cue{animation:none;opacity:1;transform:none}}
section.home-hero{padding:0}

/* Colegio: tarjetas de nivel */
.lvl-grid{align-items:stretch}
.lvl-card{position:relative;display:flex;flex-direction:column;height:100%;padding:28px;border-radius:24px;border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--card-shadow);transition:opacity .8s ease,transform .3s ease,box-shadow .3s ease}
.lvl-card .glow{position:absolute;right:-48px;top:-48px;width:160px;height:160px;border-radius:50%;background:rgba(96,165,250,.12);filter:blur(40px);pointer-events:none;transition:background .3s}
.lvl-card:hover .glow{background:rgba(96,165,250,.24)}
.lvl-card.in:hover{transform:translateY(-2px);box-shadow:0 0 60px -10px rgba(29,78,216,.5)}
.lvl-card.pop{border:2px solid var(--brand)}
.lvl-card .ribbon{position:absolute;top:-12px;left:28px;padding:3px 12px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em}
.lvl-card .ic{position:relative;width:48px;height:48px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(to bottom right,var(--brand),var(--brand-2));box-shadow:0 6px 30px -10px rgba(29,78,216,.5)}
.lvl-card .ic svg.i{width:22px;height:22px}
.lvl-card h3{position:relative;margin-top:20px;font-size:21px;font-weight:800}
.lvl-card .grades{display:inline-block;margin-top:6px;font-family:"JetBrains Mono",monospace;font-size:12px;font-weight:500;color:var(--brand)}
:root[data-theme="dark"] .lvl-card .grades{color:#93c5fd}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .lvl-card .grades{color:#93c5fd}}
.lvl-card p{position:relative;margin-top:10px;font-size:14px;line-height:1.65;color:var(--ink-2)}
.lvl-card ul.checks{position:relative;margin:16px 0 20px;flex:1;font-size:14px}
.lvl-card .link-arrow{position:relative;font-size:14px}

/* Admisión */
.fee-note{margin-top:18px;text-align:center;font-size:13px;color:var(--ink-3)}
.apply{max-width:820px;margin:0 auto;padding:28px}
@media(min-width:640px){.apply{padding:36px}}
.apply-grid{display:grid;gap:16px}
@media(min-width:640px){.apply-grid{grid-template-columns:1fr 1fr}}
.fld{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2)}
.fld input,.fld select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:14px;font-weight:400;outline:none;transition:border-color .2s,box-shadow .2s}
.fld input:focus,.fld select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(29,78,216,.15)}
.fld select:disabled{opacity:.6}
.apply-err{margin-top:16px;padding:12px 14px;border-radius:12px;border:1px solid rgba(239,68,68,.3);background:rgba(239,68,68,.08);color:#b91c1c;font-size:13px}
:root[data-theme="dark"] .apply-err{color:#fca5a5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .apply-err{color:#fca5a5}}
.apply .btn{margin-top:22px;width:100%;justify-content:center}
.apply-note{margin-top:10px;text-align:center;font-size:12px;color:var(--ink-3)}
.apply-ok{max-width:620px;margin:0 auto;padding:36px;text-align:center;outline:none}
.apply-ok .badge-ok{width:56px;height:56px;margin:0 auto;border-radius:18px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#34d399,#059669)}
.apply-ok .badge-ok svg.i{width:26px;height:26px}
.apply-ok h3{margin-top:18px;font-size:24px;font-weight:800}
.apply-ok p{margin-top:10px;color:var(--ink-2)}
.apply-ok .mono{display:inline-block;margin-top:16px;padding:6px 12px;border-radius:999px;background:var(--surface-2);font-size:13px;color:var(--ink-2)}
.links a{white-space:nowrap}

/* Botón flotante del Libro de Reclamaciones (en todas las páginas públicas) */
.lr-float{position:fixed;left:16px;bottom:16px;z-index:45;display:flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);color:var(--ink);line-height:1.15;transition:transform .2s ease,box-shadow .2s ease}
.lr-float:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(29,78,216,.45)}
.lr-float-ic{width:38px;height:38px;flex:none;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.lr-float-ic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.lr-float-txt{display:flex;flex-direction:column;font-size:11px;color:var(--ink-3)}
.lr-float-txt b{font-size:13.5px;color:var(--ink);font-weight:700}
@media(max-width:520px){.lr-float{left:12px;bottom:12px;padding:6px 12px 6px 6px}.lr-float-ic{width:32px;height:32px}.lr-float-ic svg{width:18px;height:18px}.lr-float-txt b{font-size:12px}.lr-float-txt{font-size:10px}}
@media print{.lr-float{display:none}}