@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root{
    --negro:#050505;
    --negro2:#101010;

    --verde:#00d084;
    --verde2:#00a86b;

    --rosa:#ff006e;
    --rosa2:#ff4d9d;

    --blanco:#ffffff;
    --gris:#d1d5db;

    --glass:rgba(255,255,255,.06);
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
    scroll-behavior:smooth;
}

body{
    background:
    radial-gradient(circle at top left,#0f5132 0%,transparent 30%),
    radial-gradient(circle at bottom right,#ff006e33 0%,transparent 30%),
    linear-gradient(135deg,var(--negro),var(--negro2));

    color:var(--blanco);
    overflow-x:hidden;
}

/* SCROLL */

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-track{
    background:#111;
}

::-webkit-scrollbar-thumb{
    background:linear-gradient(180deg,var(--verde),var(--rosa));
    border-radius:30px;
}

/* HERO */

.hero{
    position:relative;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    overflow:hidden;
}

.bg-video{
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
    filter:brightness(.25);
}

.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(rgba(0,0,0,.2),rgba(0,0,0,.85));
    z-index:1;
}

.hero-content{
    position:relative;
    z-index:2;
    width:90%;
    max-width:900px;
    animation:fadeUp 1.5s ease;
}

.hero h1{
    font-size:5rem;
    font-weight:800;
    line-height:1.1;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{
    margin-top:25px;
    font-size:1.3rem;
    line-height:1.8;
    color:#f1f1f1;
}

/* NAVBAR */

nav{
    position:sticky;
    top:0;
    backdrop-filter:blur(15px);
    background:rgba(0,0,0,.75);
    border-bottom:1px solid rgba(255,255,255,.08);
    z-index:999;
}

nav ul{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    list-style:none;
}

nav li{
    margin:15px 10px;
}

nav a{
    text-decoration:none;
    color:white;
    padding:12px 18px;
    border-radius:14px;
    transition:.4s;
}

nav a:hover{
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    box-shadow:0 0 20px rgba(255,0,110,.5);
}

/* CONTENEDOR */

.container{
    width:90%;
    max-width:1300px;
    margin:auto;
    padding:70px 0;
}

/* TARJETAS */

.card{
    background:var(--glass);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.08);
    border-radius:30px;
    overflow:hidden;
    margin-bottom:50px;
    box-shadow:0 0 30px rgba(0,208,132,.08);
    transition:.5s;
}

.card:hover{
    transform:translateY(-10px);
    box-shadow:0 0 50px rgba(255,0,110,.25);
}

.card video{
    width:100%;
    height:450px;
    object-fit:cover;
}

.card-content{
    padding:40px;
}

.card-content h2{
    font-size:3rem;
    margin-bottom:20px;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.card-content h3{
    color:var(--verde);
    margin-top:30px;
    margin-bottom:15px;
}

.card-content p{
    line-height:2;
    margin-bottom:18px;
    color:#f0f0f0;
}

.card-content ul{
    margin-left:25px;
}

.card-content li{
    margin-bottom:12px;
    line-height:1.8;
}

/* BOTONES */

.btn{
    display:inline-block;
    text-decoration:none;
    color:white;
    padding:15px 35px;
    border-radius:50px;
    margin-top:25px;
    font-weight:700;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    transition:.4s;
}

.btn:hover{
    transform:translateY(-5px) scale(1.05);
    box-shadow:0 0 30px var(--rosa);
}

/* ESTADÍSTICAS */

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
    margin-top:40px;
}

.stat{
    background:rgba(255,255,255,.05);
    border-radius:25px;
    padding:30px;
    text-align:center;
}

.stat h2{
    font-size:3rem;
    color:var(--verde);
}

.stat p{
    margin-top:10px;
}

/* CALCULADORAS */

.imc{
    margin-top:50px;
    background:rgba(255,255,255,.05);
    border-radius:25px;
    padding:35px;
}

.imc input{
    width:100%;
    margin:10px 0;
    padding:15px;
    border:none;
    border-radius:12px;
    font-size:1rem;
}

.imc button{
    width:100%;
    padding:15px;
    border:none;
    border-radius:12px;
    color:white;
    font-weight:700;
    cursor:pointer;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
}

#resultado{
    margin-top:20px;
    font-size:1.3rem;
    font-weight:600;
}

/* FOOTER */

footer{
    margin-top:60px;
    padding:50px;
    text-align:center;
    background:#000;
}

footer h2{
    margin-bottom:10px;
}

/* BOTÓN FLOTANTE */

#topBtn{
    position:fixed;
    right:25px;
    bottom:25px;
    width:60px;
    height:60px;
    border:none;
    border-radius:50%;
    font-size:25px;
    color:white;
    cursor:pointer;
    display:none;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    z-index:9999;
}

/* ANIMACIONES */

@keyframes fadeUp{
    from{opacity:0;transform:translateY(40px);}
    to{opacity:1;transform:translateY(0);}
}

/* RESPONSIVE */

@media(max-width:768px){
    .hero h1{font-size:3rem;}
    .hero p{font-size:1rem;}
    .card video{height:250px;}
    .card-content h2{font-size:2rem;}
}

/* =========================
   CARRUSEL FUTURISTA MEJORADO
========================= */

.carousel-section{
    padding:90px 0;
    text-align:center;
}

.carousel-title{
    font-size:2.7rem;
    margin-bottom:35px;
    background:linear-gradient(90deg,var(--verde),var(--rosa));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.carousel{
    width:92%;
    max-width:1200px;
    margin:auto;
    overflow:hidden;
    border-radius:28px;

    background:rgba(255,255,255,.04);
    backdrop-filter:blur(18px);

    border:1px solid rgba(255,255,255,.12);

    box-shadow:
    0 0 40px rgba(0,208,132,.12),
    inset 0 0 30px rgba(255,0,110,.05);

    position:relative;
}

.carousel::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(120deg,transparent,rgba(255,0,110,.18),transparent);
    animation:shine 5s linear infinite;
    pointer-events:none;
}

@keyframes shine{
    0%{transform:translateX(-120%);}
    100%{transform:translateX(120%);}
}

.carousel-track{
    display:flex;
    gap:30px;
    width:max-content;
    animation:scroll 18s linear infinite;
    padding:20px;
}

.carousel-track img{
    width:320px;
    height:210px;
    flex-shrink:0;

    object-fit:cover;
    border-radius:22px;

    transition:.4s ease;

    filter:brightness(.85) saturate(1.3) contrast(1.05);

    box-shadow:
    0 10px 30px rgba(0,0,0,.5),
    0 0 15px rgba(0,208,132,.15);

    border:1px solid rgba(255,255,255,.08);
}

.carousel-track img:hover{
    transform:scale(1.12) translateY(-8px);
    filter:brightness(1.15) saturate(1.6);
    box-shadow:0 15px 40px rgba(0,0,0,.6),0 0 35px var(--rosa);
}

@keyframes scroll{
    0%{transform:translateX(0);}
    100%{transform:translateX(-50%);}
}

@media(max-width:768px){
    .carousel-track img{
        width:240px;
        height:160px;
    }
    .carousel-track{
        gap:20px;
    }
    .carousel-title{
        font-size:2rem;
    }
}