@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --bg:#07100f;
  --bg-soft:#0d1b18;
  --card:#101f1b;
  --line:#29423a;
  --text:#f5f7f6;
  --muted:#aabbb5;
  --gold:#f5ad1b;
  --gold2:#ffc44a;
  --max:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Inter,Arial,sans-serif;
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),92%);margin:auto}

.header{
  position:fixed;
  z-index:20;
  width:100%;
  top:0;
  background:rgba(5,13,12,.88);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-icon{
  width:42px;height:42px;border:2px solid var(--gold);border-radius:10px;
  display:grid;place-items:center;color:var(--gold);font-size:24px
}
.brand b{display:block;font-family:"Space Grotesk";letter-spacing:1.8px;font-size:17px}
.brand small{display:block;color:var(--gold);font-size:9px;letter-spacing:2px}
.nav-links{display:flex;gap:28px;color:#d8e1de;font-size:14px}
.nav-links a:hover{color:var(--gold)}
.nav-btn{
  padding:10px 17px;border:1px solid var(--gold);border-radius:7px;
  color:var(--gold);font-size:13px;font-weight:700
}
.menu-btn{display:none;background:none;border:0;color:white;font-size:25px}

.hero{
  min-height:820px;
  position:relative;
  display:flex;
  align-items:center;
  background-image:url("img/mina-fondo.jpg");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(3,11,10,.96) 0%,rgba(3,11,10,.80) 38%,rgba(3,11,10,.26) 78%,rgba(3,11,10,.55) 100%),
    linear-gradient(0deg,rgba(3,11,10,.82) 0%,transparent 42%,rgba(3,11,10,.35) 100%);
}
.hero-content{position:relative;z-index:2;padding-top:70px;max-width:820px}
.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:2.2px;margin-bottom:15px}
h1,h2,h3{font-family:"Space Grotesk",sans-serif;line-height:1.08}
h1{font-size:clamp(44px,6.5vw,76px);letter-spacing:-2.8px;max-width:850px}
h1 span{color:var(--gold)}
.hero-copy{max-width:680px;color:#d4dfdb;font-size:18px;margin:25px 0 30px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 21px;border-radius:7px;font-weight:800;font-size:13px
}
.primary{background:var(--gold);color:#161006}
.primary:hover{background:var(--gold2)}
.outline{border:1px solid rgba(245,173,27,.8);color:white;background:rgba(0,0,0,.2)}
.highlights{
  margin-top:70px;display:grid;grid-template-columns:repeat(4,1fr);
  max-width:820px;border-top:1px solid rgba(255,255,255,.2)
}
.highlights div{padding:17px 18px 0;border-right:1px solid rgba(255,255,255,.16)}
.highlights div:last-child{border-right:0}
.highlights strong{display:block;color:var(--gold);font-size:12px}
.highlights span{font-size:12px;color:#d6dfdc}

.section{padding:105px 0}
.courses-section{background:var(--bg)}
.section-heading{max-width:720px;margin-bottom:45px}
.section-heading h2{font-size:clamp(34px,5vw,54px);letter-spacing:-1.5px}
.section-heading>p:last-child{color:var(--muted);margin-top:15px}

.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.course-card{
  position:relative;background:linear-gradient(145deg,#12241f,#0b1714);
  border:1px solid var(--line);border-radius:15px;padding:28px;min-height:280px;
  transition:.2s
}
.course-card:hover{transform:translateY(-5px);border-color:#60786e}
.course-no{position:absolute;right:22px;top:22px;color:#667d74;font-size:12px}
.course-icon{
  width:48px;height:48px;border-radius:11px;border:1px solid rgba(245,173,27,.45);
  display:grid;place-items:center;color:var(--gold);font-weight:800;font-family:"Space Grotesk";
  margin-bottom:38px
}
.course-card h3{font-size:25px;margin-bottom:12px}
.course-card p{color:var(--muted);font-size:14px;margin-bottom:22px}
.course-card a{color:var(--gold);font-size:12px;font-weight:800}

.about{padding:100px 0;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.about h2{font-size:clamp(35px,5vw,54px);letter-spacing:-1.6px}
.about-copy{color:var(--muted);font-size:16px}
.about-copy p+p{margin-top:18px}

.cta{padding:72px 0;background:var(--gold);color:#171006}
.cta .eyebrow{color:#4c360b}
.cta-content{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(34px,4.5vw,52px);max-width:760px}
.dark{background:#101713;color:white}

.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.contact h2{font-size:clamp(35px,5vw,55px);letter-spacing:-1.5px}
.muted{color:var(--muted);margin-top:17px}
.contact-card{display:grid;gap:13px}
.contact-card a{
  padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft)
}
.contact-card span{display:block;color:var(--gold);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;font-weight:800;margin-bottom:4px}

footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:12px}
.footer-content{display:flex;justify-content:space-between;gap:20px}

@media(max-width:850px){
  .nav-links,.nav-btn{display:none}
  .menu-btn{display:block}
  .hero{min-height:760px;background-position:65% center}
  .hero-overlay{background:linear-gradient(90deg,rgba(3,11,10,.94),rgba(3,11,10,.60))}
  .hero-content{padding-top:100px}
  .highlights{grid-template-columns:repeat(2,1fr);margin-top:50px}
  .course-grid{grid-template-columns:1fr}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .cta-content{flex-direction:column;align-items:flex-start}
  .footer-content{flex-direction:column}
}