:root{
  --bg:#030816;--bg2:#06183b;--panel:rgba(8,25,60,.72);--panel2:rgba(255,255,255,.065);
  --cyan:#23e5ff;--cyan2:#108fff;--green:#31e349;--lime:#8dff4a;--gold:#ffd157;
  --text:#f5fbff;--muted:#b8c7e8;--line:rgba(35,229,255,.28);--shadow:0 24px 90px rgba(0,0,0,.48);
  --radius:26px;--max:1220px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 8% 8%,rgba(35,229,255,.22),transparent 24%),radial-gradient(circle at 92% 20%,rgba(49,227,73,.14),transparent 23%),linear-gradient(180deg,#030816,#061736 42%,#020611);overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.18));pointer-events:none;z-index:-2}
body:after{content:"";position:fixed;inset:auto -120px 10% auto;width:360px;height:360px;border-radius:50%;background:rgba(0,194,255,.20);filter:blur(45px);z-index:-1}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button{font:inherit;color:inherit}
.container{width:min(var(--max),calc(100% - 38px));margin:auto} .section{padding:88px 0} .section-sm{padding:58px 0}
.header{position:sticky;top:0;z-index:90;backdrop-filter:blur(18px);background:linear-gradient(90deg,rgba(2,8,24,.9),rgba(5,18,50,.78));border-bottom:1px solid var(--line)}
.nav{height:82px;display:flex;align-items:center;gap:24px} .brand{display:flex;align-items:center;gap:12px;min-width:max-content} .mark{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#eaffff,#36f0dd 45%,#0578ff);font-weight:950;font-size:31px;color:#082147;box-shadow:0 0 36px rgba(35,229,255,.42),inset 0 0 0 3px rgba(255,255,255,.24);position:relative} .mark:after{content:"🎓";position:absolute;font-size:18px;top:-10px;right:-6px;filter:drop-shadow(0 2px 5px #000)} .brand strong{display:block;font-size:26px;letter-spacing:.07em;line-height:.9} .brand small{display:block;margin-top:5px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.1em}
.links{display:flex;align-items:center;gap:22px;margin-left:auto} .links a{font-weight:800;font-size:14px;color:#eaf6ff;opacity:.92;position:relative;padding:11px 0} .links a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);transition:.25s} .links a:hover:after{right:0} .menu{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:14px;padding:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:16px;padding:14px 20px;font-weight:950;cursor:pointer;transition:.25s;white-space:nowrap} .btn:hover{transform:translateY(-2px)} .btn-wa{background:linear-gradient(135deg,#1dbc32,#5dff47);color:#04220b;box-shadow:0 0 35px rgba(49,227,73,.35)} .btn-ghost{background:rgba(35,229,255,.08);border:1px solid rgba(35,229,255,.48);box-shadow:inset 0 0 22px rgba(35,229,255,.08)} .btn-lg{font-size:17px;padding:17px 24px}
.hero{padding:64px 0 48px;position:relative;overflow:hidden} .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center} .eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);background:rgba(35,229,255,.08);padding:9px 14px;border-radius:999px;color:#d9faff;font-weight:800;font-size:14px} .dot{width:9px;height:9px;border-radius:999px;background:var(--green);box-shadow:0 0 16px var(--green)}
h1{font-size:clamp(42px,6.4vw,86px);line-height:.94;margin:22px 0 18px;letter-spacing:-.05em;text-transform:uppercase} h1 span{color:var(--cyan);text-shadow:0 0 22px rgba(35,229,255,.35)} .lead{font-size:clamp(17px,2vw,22px);line-height:1.55;color:#d8e7ff;margin:0 0 24px;max-width:720px}
.pills{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 28px} .pills span{padding:12px 16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.06);font-weight:800;color:#e8f9ff}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px} .phone{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(90deg,rgba(35,229,255,.08),rgba(255,255,255,.045));border:1px solid var(--line);border-radius:22px;padding:15px 18px;box-shadow:var(--shadow);width:max-content;max-width:100%} .phone .waicon{font-size:38px} .phone small{display:block;color:var(--muted);font-weight:700} .phone strong{font-size:clamp(35px,4vw,54px);line-height:1;color:var(--green);letter-spacing:.02em;text-shadow:0 0 18px rgba(49,227,73,.35)} .phone a{color:var(--cyan);font-weight:900;border-left:1px solid var(--line);padding-left:18px}
.countries{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px;color:#d5e6ff} .countries b{padding:8px 12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:999px;font-size:13px}
.hero-visual{position:relative} .hero-card{border:1px solid rgba(35,229,255,.34);border-radius:34px;padding:14px;background:linear-gradient(180deg,rgba(35,229,255,.13),rgba(255,255,255,.045));box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.06) inset;overflow:hidden;transform:rotate(1deg)} .hero-card img{border-radius:24px;width:100%;height:min(68vh,720px);object-fit:cover;object-position:center top} .float{position:absolute;left:-22px;bottom:50px;background:rgba(2,10,29,.86);border:1px solid var(--line);border-radius:22px;padding:16px 18px;box-shadow:0 20px 60px rgba(0,0,0,.5)} .float b{display:block;color:var(--cyan)} .float2{right:-12px;left:auto;top:34px;bottom:auto}
.strip{padding:24px 0;background:linear-gradient(90deg,rgba(35,229,255,.08),rgba(49,227,73,.07));border-block:1px solid rgba(35,229,255,.17)} .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px} .stat{text-align:center;padding:18px;border-radius:20px;border:1px solid var(--line);background:rgba(2,9,27,.55)} .stat strong{display:block;color:var(--cyan);font-size:34px} .stat span{color:var(--muted);font-weight:700}
.heading{text-align:center;max-width:780px;margin:0 auto 38px} .kicker{display:inline-flex;color:var(--cyan);text-transform:uppercase;letter-spacing:.16em;font-weight:950;font-size:13px;margin-bottom:12px} h2{font-size:clamp(32px,4vw,56px);line-height:1;margin:0 0 14px;letter-spacing:-.035em} .heading p,.split p{color:var(--muted);font-size:17px;line-height:1.7}
.course-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px} .course-card{padding:24px 20px;border-radius:24px;background:linear-gradient(180deg,rgba(13,45,100,.72),rgba(7,20,49,.82));border:1px solid rgba(35,229,255,.36);box-shadow:0 18px 50px rgba(0,0,0,.32)} .course-card.gold{border-color:rgba(255,209,87,.48);background:linear-gradient(180deg,rgba(92,65,11,.38),rgba(7,20,49,.86))} .course-icon{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:rgba(35,229,255,.11);border:1px solid var(--line);font-size:27px;margin-bottom:15px} .course-card h3{margin:0 0 12px;font-size:20px;min-height:52px;color:#eaffff} .course-card ul{list-style:none;margin:0;padding:0;display:grid;gap:9px} .course-card li{font-size:14px;color:#dce9ff;line-height:1.25;position:relative;padding-left:14px} .course-card li:before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)} .gold li:before{background:var(--gold);box-shadow:0 0 10px var(--gold)}
.soft{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(35,229,255,.04));border-block:1px solid rgba(255,255,255,.06)} .split{display:grid;grid-template-columns:.95fr 1.05fr;gap:38px;align-items:center} .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)} .steps{display:grid;gap:14px;margin-top:24px} .step{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:16px;border-radius:19px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)} .step span{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--cyan2));font-weight:950;color:#01142a} .step b{font-size:17px} .step p{margin:4px 0 0;font-size:14px;line-height:1.45} .media{border-radius:30px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:rgba(255,255,255,.06)} .media img{width:100%;height:100%;object-fit:cover}
.software{display:grid;grid-template-columns:repeat(11,1fr);gap:12px} .tool{display:grid;gap:8px;place-items:center;text-align:center;padding:18px 10px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--line);min-height:100px;transition:.25s} .tool:hover{transform:translateY(-4px);background:rgba(35,229,255,.1)} .tool em{font-style:normal;font-size:29px} .tool b{font-size:15px} .tool small{color:var(--muted);font-size:11px}
.help{display:grid;grid-template-columns:repeat(5,1fr);gap:14px} .help-card{padding:24px;border-radius:24px;background:rgba(255,255,255,.055);border:1px solid var(--line)} .help-card .ico{font-size:34px;margin-bottom:14px} .help-card h3{margin:0 0 10px;font-size:20px} .help-card p{margin:0;color:var(--muted);line-height:1.55;font-size:14px}
.uni{display:flex;flex-wrap:wrap;justify-content:center;gap:14px} .badge{width:104px;height:92px;border-radius:20px;border:1px solid var(--line);display:grid;place-items:center;background:rgba(255,255,255,.06);text-align:center;font-weight:950;box-shadow:inset 0 0 24px rgba(35,229,255,.04)} .badge span{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan2),#043472);margin-bottom:5px}
.feature{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center} .check{display:grid;gap:14px;margin-top:24px} .check li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:#e4f3ff} .check li:before{content:"✓";flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:rgba(35,229,255,.13);border:1px solid var(--line);display:grid;place-items:center;color:var(--cyan);font-weight:950}
.gallery-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px} .filter{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:999px;padding:10px 15px;font-weight:850;cursor:pointer} .filter.active,.filter:hover{background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#03142b} .gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px} .gallery-card{padding:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:rgba(255,255,255,.06);cursor:pointer;box-shadow:0 14px 40px rgba(0,0,0,.28);transition:.25s} .gallery-card:hover{transform:translateY(-5px)} .gallery-card.hide{display:none} .gallery-card img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top center} .gallery-card span{display:block;padding:13px;font-weight:850;text-align:center;background:rgba(2,10,29,.78)}
.cta{padding:50px 0 70px} .cta-box{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;border-radius:34px;border:1px solid var(--line);padding:28px;background:linear-gradient(135deg,rgba(35,229,255,.12),rgba(49,227,73,.09));box-shadow:0 0 55px rgba(35,229,255,.16)} .cta h2{font-size:clamp(29px,4vw,50px)} .cta strong{display:block;color:var(--green);font-size:clamp(42px,5.5vw,74px);line-height:1;text-shadow:0 0 20px rgba(49,227,73,.32)} .socials{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end} .socials a{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid var(--line);font-size:26px}
.footer{padding:24px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--muted);text-align:center} .footer b{color:var(--cyan)} .wa-fixed{position:fixed;right:20px;bottom:20px;z-index:80;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#1eba34,#63ff4b);box-shadow:0 0 32px rgba(49,227,73,.48);font-size:31px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.86);z-index:120;display:none;align-items:center;justify-content:center;padding:28px} .lightbox.show{display:flex} .lightbox img{max-width:min(100%,1050px);max-height:88vh;border-radius:24px;border:1px solid var(--line)} .close{position:absolute;top:18px;right:20px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid var(--line);cursor:pointer;font-size:28px}
.reveal{opacity:0;transform:translateY(18px);animation:show .8s ease forwards} .d1{animation-delay:.12s} .d2{animation-delay:.24s} @keyframes show{to{opacity:1;transform:none}}
@media(max-width:1080px){.hero-grid,.split,.feature{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,1fr)}.software{grid-template-columns:repeat(4,1fr)}.help{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(3,1fr)}.hero-card img{height:auto}}
@media(max-width:820px){.nav{height:72px}.menu{display:block}.links{position:absolute;left:19px;right:19px;top:82px;display:none;flex-direction:column;align-items:stretch;background:rgba(3,10,28,.96);padding:18px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.links.open{display:flex}.nav .btn-wa{display:none}.course-grid,.help,.stats{grid-template-columns:1fr}.software{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(2,1fr)}.cta-box{grid-template-columns:1fr}.socials{justify-content:flex-start}h1{font-size:41px}.section{padding:64px 0}.phone a{border-left:0;padding-left:0}}
@media(max-width:520px){.container{width:min(100% - 24px, var(--max))}.gallery{grid-template-columns:1fr}.phone{width:100%}.brand strong{font-size:21px}.brand small{font-size:8px}.mark{width:46px;height:46px}.float{display:none}}

/* Identidad LINDEY y cursos destacados */
.mark.mascot-mark{background:#031332;overflow:hidden;border:1px solid var(--cyan);flex-shrink:0}
.mark.mascot-mark:after{content:none}
.mascot-mark img{width:100%;height:100%;object-fit:contain}
.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.course-card.programming{border-color:var(--lime)}
.course-card.programming .course-icon{color:var(--lime);font-size:23px;font-weight:900}
.course-posters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px;align-items:start}
.course-poster{margin:0;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#06142c;box-shadow:var(--shadow)}
.poster-open{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in}
.poster-open img{width:100%;height:auto;object-fit:contain}
.course-poster figcaption{padding:22px}
.course-poster h3{margin:0 0 10px;font-size:23px;line-height:1.25}
.course-poster p{color:var(--muted);line-height:1.6;margin:0 0 18px}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:16px;font-weight:900;letter-spacing:.1em;color:var(--text)}
.footer-brand img{width:58px;height:auto;border-radius:16px;border:1px solid var(--line)}
#cursos{scroll-margin-top:90px}
@media(max-width:1080px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.course-grid,.course-posters{grid-template-columns:1fr}}

/* Portada compacta con carrusel horizontal */
.hero{padding:44px 0}.hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:38px;align-items:start}
.hero-copy{padding:16px 0}.hero h1{font-size:clamp(38px,4.1vw,59px);line-height:1.06;letter-spacing:-.04em;text-transform:none;margin:24px 0 20px}
.hero .lead{font-size:19px;line-height:1.6}.hero .pills{gap:8px;margin:22px 0}.hero .pills span{font-size:13px;padding:10px 12px}
.hero .actions{gap:10px}.hero .btn{white-space:normal;text-align:center}.hero-phone{margin-top:24px}.hero-phone small{display:block;color:var(--muted);margin-bottom:6px}.hero-phone a{font-size:clamp(28px,3vw,40px);font-weight:900;color:var(--green)}
.promo-carousel{min-width:0;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,#0b2650,#030b1d);box-shadow:var(--shadow);overflow:hidden}
.promo-window{overflow:hidden;touch-action:pan-y}.promo-track{display:flex;transition:transform .5s ease;align-items:stretch}
.promo-slide{flex:0 0 100%;min-width:0;padding:24px 24px 0;display:flex;flex-direction:column}
.promo-copy{min-height:142px}.promo-copy .kicker{font-size:10px;letter-spacing:.1em}.promo-copy h2{font-size:clamp(24px,2.8vw,36px);line-height:1.1;margin-bottom:10px}.promo-copy p{font-size:15px;line-height:1.5;color:var(--muted);margin:0 0 18px}
.promo-slide img{width:100%;height:340px;object-fit:contain;object-position:center;background:#030b1d;border-radius:16px}
.promo-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:18px 14px}.promo-arrow,.promo-pause{background:rgba(35,229,255,.08);border:1px solid var(--line);border-radius:12px;cursor:pointer;min-height:40px}.promo-arrow{width:40px;font-size:22px}.promo-pause{padding:8px 12px;font-size:12px}.promo-dots{display:flex;gap:8px}.promo-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:#657892;cursor:pointer}.promo-dot.active{background:var(--cyan);box-shadow:0 0 12px #23e5ff80}.promo-controls button:focus-visible,.promo-carousel:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:1080px){.hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px}.hero .eyebrow{font-size:11px}.promo-slide{padding:18px 18px 0}}
@media(max-width:820px){.hero{padding:24px 0}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:0}.hero h1{font-size:42px}.promo-slide img{height:360px}.promo-copy{min-height:124px}}
@media(max-width:420px){.hero h1{font-size:36px}.promo-slide img{height:300px}.promo-controls{gap:8px}.promo-dots{gap:7px}}
@media(prefers-reduced-motion:reduce){.promo-track{transition:none}}

/* Contacto siempre visible */
.wa-fixed{display:flex;align-items:center;width:auto;height:auto;max-width:calc(100vw - 24px);border-radius:22px;gap:12px;padding:12px 16px;color:#04220b;animation:wa-pulse 2s ease-in-out infinite;transform-origin:right bottom}
.wa-prompt{font-size:14px;line-height:1.3;font-weight:900;text-align:left}.wa-bubble{font-size:30px;line-height:1}
@keyframes wa-pulse{0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(49,227,73,.45),0 5px 25px #0005}50%{transform:scale(1.035);box-shadow:0 0 0 12px rgba(49,227,73,0),0 5px 30px #31e34955}}
.wa-fixed:hover{animation-play-state:paused}.wa-fixed:focus-visible{outline:3px solid white;outline-offset:4px}
@media(max-width:520px){.wa-fixed{right:12px;bottom:max(12px,env(safe-area-inset-bottom));padding:10px 13px;gap:9px;border-radius:18px}.wa-prompt{font-size:12px}.wa-bubble{font-size:26px}.footer{padding-bottom:100px}}
@media(prefers-reduced-motion:reduce){.wa-fixed{animation:none}}

.promo-controls{flex-wrap:wrap;gap:10px}.promo-dots{max-width:180px;flex-wrap:wrap;justify-content:center;gap:7px}.promo-count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.promo-dot{flex:0 0 10px}.course-poster{scroll-margin-top:90px}.course-poster .btn{white-space:normal;text-align:center}
@media(max-width:520px){.promo-controls{gap:8px}.promo-dots{max-width:108px}.promo-count{font-size:11px}.promo-arrow{width:34px}.promo-pause{padding:8px}}