*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Montserrat',sans-serif;
  background:#050816;
  color:white;
  overflow-x:hidden;
}

/* =========================
   CONTAINER
========================= */

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

/* =========================
   HERO
========================= */

.hero{
  min-height:100vh;
  position:relative;
  background:url('../img/hero-bg.jpg') center center/cover no-repeat;
  padding:60px 0 100px;
  display:flex;
  align-items:center;
}

.overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(
    to bottom,
    rgba(0,0,0,.88),
    rgba(0,0,0,.75)
  );
}

.hero-content{
  position:relative;
  z-index:2;
}

/* =========================
   LOGO
========================= */

.logo{
  width:120px;
  height:auto;
  object-fit:contain;
  display:block;
  margin-bottom:25px;
}

/* =========================
   BADGE
========================= */

.badge{
  display:inline-block;
  background:#b9ff00;
  color:#000;
  padding:12px 28px;
  border-radius:60px;
  font-size:14px;
  font-weight:800;
  letter-spacing:2px;
  margin-bottom:25px;
}

/* =========================
   TITULOS
========================= */

h1{
  font-size:78px;
  line-height:0.95;
  font-weight:900;
  max-width:850px;
  margin-bottom:25px;
  text-transform:uppercase;
}

h1 span{
  color:#b9ff00;
  text-shadow:0 0 15px rgba(185,255,0,.4);
}

.subtitle{
  max-width:700px;
  font-size:22px;
  line-height:1.6;
  opacity:.9;
  margin-bottom:50px;
}

/* =========================
   INFO BOXES
========================= */

.hero-info{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin-bottom:60px;
}

.hero-info div{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(185,255,0,.4);
  backdrop-filter:blur(10px);
  padding:25px;
  border-radius:22px;
  min-width:220px;
  transition:.3s;
}

.hero-info div:hover{
  transform:translateY(-5px);
  border-color:#b9ff00;
}

.hero-info h3{
  color:#b9ff00;
  font-size:34px;
  margin-bottom:8px;
}

.hero-info p{
  font-size:18px;
  opacity:.9;
}

/* =========================
   CTA AREA
========================= */

.cta-area{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}

/* =========================
   QR BOX
========================= */

.qr-box{
  background:#0f172a;
  border:2px solid #b9ff00;
  border-radius:30px;
  padding:30px;
  text-align:center;
  box-shadow:0 0 40px rgba(185,255,0,.12);
}

.qr-box img{
  width:100%;
  max-width:340px;
  background:white;
  padding:18px;
  border-radius:20px;
}

.qr-box p{
  margin-top:20px;
  font-size:24px;
  font-weight:800;
  color:#b9ff00;
}

/* =========================
   FORMULARIO
========================= */

.formulario{
  background:#111827;
  padding:45px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 0 40px rgba(0,0,0,.35);
}

.formulario h2{
  font-size:32px;
  margin-bottom:30px;
  color:#b9ff00;
}

.formulario input{
  width:100%;
  padding:18px;
  border:none;
  outline:none;
  border-radius:14px;
  margin-bottom:18px;
  background:#1f2937;
  color:white;
  font-size:16px;
}

.formulario input::placeholder{
  color:#9ca3af;
}

.formulario button{
  width:100%;
  padding:20px;
  border:none;
  border-radius:16px;
  background:#b9ff00;
  color:#000;
  font-size:18px;
  font-weight:900;
  cursor:pointer;
  transition:.3s;
}

.formulario button:hover{
  transform:translateY(-3px);
  box-shadow:0 0 20px rgba(185,255,0,.4);
}

/* =========================
   SECTIONS
========================= */

section{
  padding:100px 0;
}

section h2{
  font-size:48px;
  margin-bottom:50px;
  text-transform:uppercase;
}

/* =========================
   CARDS
========================= */

.cards,
.guest-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:25px;
}

.card,
.guest-card{
  background:#111827;
  padding:35px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.06);
  transition:.3s;
}

.card:hover,
.guest-card:hover{
  transform:translateY(-5px);
  border-color:#b9ff00;
}

.card h3,
.guest-card h3{
  color:#b9ff00;
  margin-bottom:15px;
  font-size:24px;
}

.card p,
.guest-card p{
  line-height:1.7;
  opacity:.9;
}

/* =========================
   DOCENTE
========================= */

.docente{
  background:#0b1120;
}

.docente-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}

.docente-box div{
  background:#111827;
  padding:40px;
  border-radius:24px;
}

.docente-box h2{
  color:#b9ff00;
  margin-bottom:20px;
}

.docente-box h3{
  font-size:30px;
  margin-bottom:15px;
}

/* =========================
   REQUISITOS
========================= */

.requisitos ul{
  list-style:none;
}

.requisitos li{
  margin-bottom:18px;
  background:#111827;
  padding:25px;
  border-radius:18px;
  border-left:5px solid #b9ff00;
  font-size:18px;
}

/* =========================
   FOOTER
========================= */

footer{
  background:#020617;
  text-align:center;
  padding:80px 20px;
}

footer h2{
  color:#b9ff00;
  font-size:56px;
  margin-bottom:20px;
}

footer p{
  font-size:24px;
  opacity:.85;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:992px){

  h1{
    font-size:58px;
  }

  .cta-area,
  .docente-box{
    grid-template-columns:1fr;
  }

}

@media(max-width:768px){

  .hero{
    padding-top:40px;
  }

  .logo{
    width:90px;
  }

  h1{
    font-size:42px;
  }

  .subtitle{
    font-size:18px;
  }

  section h2{
    font-size:34px;
  }

  .hero-info div{
    width:100%;
  }

  .formulario{
    padding:30px;
  }

  footer h2{
    font-size:38px;
  }

  footer p{
    font-size:18px;
  }

}

@media(max-width:480px){

  h1{
    font-size:34px;
  }

  .badge{
    font-size:12px;
  }

  .hero-info h3{
    font-size:28px;
  }

  .qr-box p{
    font-size:18px;
  }

}