:root{
  --black:#050505;
  --dark:#0e0e10;
  --soft:#151518;
  --white:#ffffff;
  --muted:#b7b7b7;
  --line:rgba(255,255,255,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--black);color:var(--white);font-family:Arial,Helvetica,sans-serif;line-height:1.7}
.nav-glass{background:rgba(0,0,0,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar-brand{letter-spacing:.5px}.nav-link{color:#d8d8d8!important}.nav-link:hover,.nav-link.active{color:#fff!important}
.hero{background:radial-gradient(circle at 80% 30%,#353535 0,#090909 45%,#000 100%);overflow:hidden}.hero h1{font-size:clamp(3rem,8vw,7rem);font-weight:800;letter-spacing:-4px}.hero .lead{color:#dedede;max-width:560px}.hero-drone{width:min(100%,520px);height:360px;object-fit:cover;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.7);animation:float 4s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.section{padding:90px 0}.bg-soft{background:linear-gradient(180deg,#111,#181818)}.section-title p{text-transform:uppercase;letter-spacing:3px;color:var(--muted);font-size:.85rem;margin:0 0 8px}.section-title h2{font-weight:800;font-size:clamp(2rem,4vw,3.3rem);margin-bottom:35px}.card-dji,.feature-card{background:linear-gradient(180deg,#171719,#0f0f10);border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 18px 60px rgba(0,0,0,.35)}.student-card{max-width:620px}.feature-card{height:100%;transition:.3s}.feature-card:hover{transform:translateY(-8px);border-color:rgba(255,255,255,.32)}.feature-card h3{font-weight:800}.feature-card p,.card-dji p,.list-dji{color:#d7d7d7}.gallery-img{width:100%;height:280px;object-fit:cover;border-radius:24px;filter:grayscale(10%);transition:.35s}.gallery-img:hover{transform:scale(1.03);filter:grayscale(0)}.video-box{border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:0 22px 70px rgba(0,0,0,.55)}.counter-section{background:linear-gradient(135deg,#000,#1d1d1f)}.counter-number{font-size:clamp(3rem,7vw,6rem);font-weight:900;letter-spacing:-3px}.page-header{padding:160px 0 90px;background:radial-gradient(circle at top,#2b2b2b,#050505 65%)}.page-header h1{font-size:clamp(2.6rem,7vw,5.5rem);font-weight:900}.page-header p{color:#d4d4d4;max-width:760px;margin:auto}.list-dji li{margin-bottom:12px}footer{padding:36px 0;background:#000;border-top:1px solid var(--line);color:#cfcfcf}.btn{border-radius:999px;padding:.75rem 1.3rem}.table{--bs-table-bg:transparent}
@media(max-width:768px){.section{padding:64px 0}.hero{text-align:center}.hero .d-flex{justify-content:center}.hero-drone{height:260px}.card-dji,.feature-card{padding:24px}.gallery-img{height:220px}.navbar-collapse{padding:18px 0}.hero h1{letter-spacing:-2px}}

.alumno-img {
  max-height: 520px;
  width: 100%;
  object-fit: cover;
}