:root{
  --bg:#0a0b10;
  --bg-2:#0d0e15;
  --surface:#12141d;
  --surface-2:#171a26;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --head:#f5f6fa;
  --text:#b9bdcb;
  --muted:#878ca0;
  --accent:#6366f1;
  --accent-2:#a855f7;
  --radius:14px;
  --radius-lg:22px;
  --wrap:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--head);line-height:1.12;margin:0;letter-spacing:-.025em;font-family:"Space Grotesk",Inter,sans-serif}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,11,16,.72);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px}
.logo{width:34px;height:34px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{color:var(--head);font-weight:800;letter-spacing:.06em;font-size:15px}
.brand-text small{color:var(--muted);font-size:10.5px;font-weight:600;letter-spacing:.04em}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--text);font-size:14px;font-weight:600;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:right .2s var(--ease)}
.nav a:hover{color:var(--head)}
.nav a:hover::after{right:0}
.header-actions{display:flex;align-items:center;gap:12px}
.lang{display:flex;gap:4px;padding:3px;background:var(--bg-2);border:1px solid var(--line);border-radius:10px}
.lang button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:7px;cursor:pointer}
.lang button.is-active{background:var(--surface-2);color:var(--head);box-shadow:0 1px 3px rgba(0,0,0,.4)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;padding:13px 20px;border-radius:12px;border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn.primary{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 10px 28px rgba(99,102,241,.35)}
.btn.primary:hover{box-shadow:0 14px 34px rgba(99,102,241,.45)}
.btn.ghost{background:var(--surface);border-color:var(--line-2);color:var(--head)}
.btn.ghost:hover{border-color:var(--accent)}
.btn.sm{padding:9px 15px;font-size:13px}

/* hero */
.hero{padding:72px 0 34px;position:relative;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(168,85,247,.22),transparent 62%),
    radial-gradient(760px 380px at 0% 10%,rgba(99,102,241,.2),transparent 60%),
    radial-gradient(600px 300px at 100% 80%,rgba(49,46,129,.35),transparent 60%),
    var(--bg)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.hero h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:700;margin-bottom:20px}
.lead{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--text);max-width:600px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats div dt{font-family:"Space Grotesk",sans-serif;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.hero-stats div dd{margin:4px 0 0;color:var(--muted);font-size:13px;font-weight:500}
.hero-art{margin:0;position:relative}
.hero-art::before{content:"";position:absolute;inset:6% -6% -6% 6%;border-radius:50%;filter:blur(60px);background:linear-gradient(135deg,rgba(99,102,241,.55),rgba(168,85,247,.45));z-index:0}
.hero-art img{position:relative;z-index:1;width:100%;height:auto;border-radius:var(--radius-lg);border:1px solid var(--line-2);box-shadow:var(--shadow)}
.hero-badge{position:absolute;z-index:2;left:-14px;bottom:22px;display:inline-flex;align-items:center;gap:9px;background:rgba(18,20,29,.92);border:1px solid var(--line-2);backdrop-filter:blur(8px);padding:10px 14px;border-radius:12px;font-size:13px;font-weight:600;color:var(--head);box-shadow:var(--shadow)}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

/* sectors / chips */
.sectors{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}
.sectors-title{color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips li{font-size:13px;font-weight:600;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px}
.chips li:hover{border-color:var(--accent);color:var(--head)}

/* sections base */
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.section-head h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:14px}
.section-head p{color:var(--muted)} 
.services{padding:60px 0 10px}
.services .section-head p{max-width:580px}

/* offers */
.offer{display:grid;grid-template-columns:1fr 1.05fr;gap:38px;align-items:center;padding:34px;margin-bottom:34px;background:linear-gradient(160deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius-lg);position:relative;overflow:hidden;box-shadow:var(--shadow)}
.offer::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--c1),var(--c2))}
.offer.reverse{direction:rtl}
.offer.reverse>*{direction:ltr}
.offer-art{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow)}
.offer-art img{width:100%;height:auto}
.offer-copy{min-width:0}
.offer-head{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.offer-num{font-family:"Space Grotesk",sans-serif;font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;background:linear-gradient(135deg,var(--c1),var(--c2));padding:7px 12px;border-radius:11px}
.offer-head h3{font-size:clamp(1.25rem,2.4vw,1.65rem)}
.offer-tag{color:var(--muted);font-size:14px;font-weight:600;margin-top:3px}
.offer-review{color:var(--text);max-width:620px;margin-bottom:20px}
.services-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-bottom:22px}
.services-list li{position:relative;padding:10px 12px 10px 30px;border:1px solid var(--line);border-radius:11px;font-size:13.5px;font-weight:600;color:var(--head);background:rgba(255,255,255,.02);transition:transform .18s var(--ease),border-color .18s var(--ease)}
.services-list li::before{content:"";position:absolute;left:12px;top:16px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c2))}
.services-list li:hover{transform:translateY(-2px);border-color:var(--c1)}
.offer-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.offer-cta{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:var(--head)}
.offer-cta svg{width:15px;height:15px;transition:transform .18s var(--ease)}
.offer-cta:hover svg{transform:translateX(4px)}
.offer-cta:after{content:"→";line-height:1}

/* process */
.process{padding:40px 0 26px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;position:relative;overflow:hidden;transition:transform .18s var(--ease),border-color .18s var(--ease)}
.steps li:hover{transform:translateY(-4px);border-color:var(--accent)}
.steps li::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.22),transparent 70%)}
.step-n{font-family:"Space Grotesk",sans-serif;display:inline-block;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));padding:6px 12px;border-radius:10px;margin-bottom:16px}
.steps h3{font-size:1.15rem;margin-bottom:8px}
.steps p{color:var(--muted);font-size:14px}

/* academy */
.academy{padding:40px 0}
.academy-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;background:linear-gradient(160deg,var(--surface-2),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow)}
.academy-art{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--line-2)}
.academy-art img{width:100%;height:auto}
.academy-copy .kicker{color:#22d3ee}
.academy-copy h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
.academy-copy>p{color:var(--text);max-width:560px;margin-bottom:20px}
.checks{display:grid;gap:11px;margin-bottom:26px}
.checks li{position:relative;padding-left:30px;font-size:14.5px;font-weight:600;color:var(--head)}
.checks li::before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,#0ea5e9,#22d3ee)}

/* why */
.why{padding:46px 0}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;transition:transform .18s var(--ease),border-color .18s var(--ease)}
.why-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.why-ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;margin-bottom:16px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 8px 20px rgba(99,102,241,.35)}
.why-ico svg{width:24px;height:24px}
.why-card h3{font-size:1.08rem;margin-bottom:8px}
.why-card p{color:var(--muted);font-size:13.5px}

/* cta band */
.cta-band{margin:40px 0;background:linear-gradient(115deg,#4f46e5,#7c3aed 55%,#a855f7)}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:52px 22px}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.3rem);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.85);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn.primary{background:#fff;color:#4f46e5;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.cta-band .btn.ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn.ghost:hover{border-color:#fff}

/* contact */
.contact{margin:10px 0 40px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg)}
.contact-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;padding:38px 22px}
.contact h2{font-size:clamp(1.3rem,2.6vw,1.8rem);margin-bottom:8px}
.contact p{color:var(--muted);max-width:520px}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:46px 0 0}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:280px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--head);margin-bottom:6px}
.footer-col a{color:var(--muted);font-size:13.5px;font-weight:500}
.footer-col a:hover{color:var(--head)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:18px 22px}
.copy{color:var(--muted);font-size:13px}

@media(max-width:1000px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .offer{grid-template-columns:1fr;gap:22px}
  .process .steps{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .academy-inner{grid-template-columns:1fr;gap:26px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:720px){
  .nav{display:none}
  .site-header .btn.sm{display:none}
  .hero{padding:52px 0 26px}
  .hero-art::before{inset:4% -4% -4% 4%}
  .services-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .offer,.academy-inner{padding:22px}
  .cta-inner{padding:40px 20px}
  .footer-inner{grid-template-columns:1fr}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}
}

/* ===== academia: extensiones ===== */
.pill{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:12px}
.pill-bas{color:#34d399;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.35)}
.pill-int{color:#0ea5e9;background:rgba(14,165,233,.12);border:1px solid rgba(14,165,233,.35)}
.pill-adv{color:#a855f7;background:rgba(168,85,247,.14);border:1px solid rgba(168,85,247,.4)}
.pill-all{color:#f59e0b;background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.4)}
.pill-cert{color:#22d3ee;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.35)}

.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;display:flex;flex-direction:column;gap:8px;transition:transform .18s var(--ease),border-color .18s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card h3{font-size:1.16rem}
.card>p{color:var(--muted);font-size:13.5px}
.card-meta{display:flex;flex-wrap:wrap;gap:5px 15px;color:var(--muted);font-size:12.5px;font-weight:600}
.card-meta span{position:relative}
.card-meta span+span::before{content:"·";position:absolute;left:-10px;color:var(--line-2)}
.card-cta{margin-top:auto;padding-top:12px;display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--head)}
.card-cta::after{content:"→";transition:transform .18s var(--ease)}
.card-cta:hover::after{transform:translateX(4px)}
.card-cta:hover{color:var(--accent)}

.courses{margin:46px 0 10px}
.courses-inner{display:grid;grid-template-columns:.88fr 1.12fr;gap:44px;align-items:center;background:linear-gradient(160deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow)}
.courses-art{border-radius:18px;overflow:hidden;border:1px solid var(--line-2);margin:0}
.courses-art img{width:100%;height:auto}
.courses-copy h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
.courses-copy>p{color:var(--text);max-width:520px;margin-bottom:24px}
.course{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 20px;margin-bottom:12px;transition:border-color .18s var(--ease),transform .18s var(--ease)}
.course:hover{border-color:var(--accent);transform:translateY(-2px)}
.course-n{font-family:"Space Grotesk",sans-serif;font-size:14px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(99,102,241,.35)}
.course-body h3{font-size:1.08rem;margin-bottom:5px}
.course-body p{color:var(--muted);font-size:13.5px}
.course-body .card-meta{margin-top:8px}

@media(max-width:1000px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .courses-inner{grid-template-columns:1fr;gap:26px}
}
@media(max-width:720px){
  .cards-grid{grid-template-columns:1fr}
  .courses-inner{padding:22px}
}