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

:root{
    --primary:#0A84FF;
    --primary-dark:#0062CC;
    --gray:#6B7280;
}

html{
    scroll-behavior:smooth;
}

body{
    background:linear-gradient(135deg,#ffffff,#f5f9ff);
    color:#1B1B1B;
    overflow-x:hidden;
}

/* FUNDO */

.bg{
    position:fixed;
    inset:0;
    z-index:-1;
}

.bg span{
    position:absolute;
    border-radius:50%;
    filter:blur(120px);
}

.bg span:nth-child(1){
    width:450px;
    height:450px;
    background:rgba(10,132,255,.15);
    top:-150px;
    right:-150px;
}

.bg span:nth-child(2){
    width:350px;
    height:350px;
    background:rgba(10,132,255,.12);
    bottom:-100px;
    left:-100px;
}

/* HERO */

.hero{
    min-height:70vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:40px;
}

.hero-content{
    max-width:900px;
}

.hero h1{
    font-size:4rem;
    color:var(--primary);
    margin-bottom:20px;
}

.hero p{
    font-size:1.2rem;
    color:var(--gray);
    line-height:1.8;
}

.hero-btn{
    display:inline-block;
    margin-top:30px;
    background:var(--primary);
    color:white;
    text-decoration:none;
    padding:15px 35px;
    border-radius:50px;
    font-weight:600;
    transition:.3s;
}

.hero-btn:hover{
    transform:translateY(-5px);
    background:var(--primary-dark);
}

/* CONTAINER */

.container{
    display:flex;
    justify-content:center;
    align-items:center;
    width:90%;
    max-width:1500px;
    margin:auto;
    padding-bottom:80px;
}

/* GRID RESPONSIVO CORRETO */

.sponsors{
    width:100%;
    max-width: 800px;
}

/* CARD */

.sponsor-card{
    width:100%;
    background:white;
    border-radius:25px;
    padding:30px;

    margin: 20px 0;

    box-shadow:0 15px 40px rgba(0,0,0,.08);
    border:1px solid rgba(10,132,255,.1);

    transition:.4s;
}

.sponsor-card:hover{
    transform:translateY(-10px);
    box-shadow:0 20px 50px rgba(10,132,255,.15);
}

/* LOGO */

.logo{
    height:180px;
    border-radius:20px;
    background:linear-gradient(135deg,#0A84FF,#53A8FF);

    display:flex;
    justify-content:center;
    align-items:center;

    margin-bottom:25px;
}

.logo i{
    font-size:70px;
    color:white;
}

/* TEXTO */

.sponsor-card h2{
    color:var(--primary);
    margin-bottom:15px;
    text-align:center;
}

.sponsor-card p{
    color:#555;
    line-height:1.8;
    margin-bottom:20px;
}

.sponsor-card ul{
    margin-left:20px;
    margin-bottom:25px;
}

.sponsor-card li{
    margin-bottom:10px;
}

/* BOTÃO SITE */

.website-btn{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;

    background:var(--primary);
    color:white;

    width:100%;

    text-decoration:none;
    margin-top:20px;
    padding:14px 24px;
    border-radius:12px;

    transition:.3s;
}

.website-btn:hover{
    background:var(--primary-dark);
}

/* REDES SOCIAIS (PC LADO A LADO) */

.socials{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:25px;
}

.socials a{
    flex:1 1 120px;

    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;

    padding:12px 14px;
    border-radius:12px;

    background:#EEF5FF;
    color:var(--primary);

    text-decoration:none;

    transition:.3s;
}

.socials a i{
    flex-shrink:0;
}

.socials a:hover{
    background:var(--primary);
    color:white;
}

/* CONTATO */

.contact{
    margin-top:25px;
    display:flex;
    flex-direction:column;
    gap:12px;
}

.contact-item{
    background:#F7FAFF;
    padding:14px;
    border-radius:12px;

    display:flex;
    align-items:center;
    gap:10px;

    word-break:break-word;
}

.contact-item i{
    color:var(--primary);
}

/* FOOTER */

footer{
    text-align:center;
    padding:40px;
    background:white;
    border-top:1px solid #E5E7EB;
}

/* HERO RESPONSIVO */

@media(max-width:768px){

    .hero h1{
        font-size:2.5rem;
    }

    .hero p{
        font-size:1rem;
    }

    .hero{
        padding:30px 15px;
    }

}

.back-btn{
    position:fixed;
    top:20px;
    left:20px;
    z-index:999;

    width:46px;
    height:46px;

    display:flex;
    align-items:center;
    justify-content:center;

    border-radius:50%;

    color:#1d4ed8;

    background:rgba(255,255,255,0.75);
    backdrop-filter:blur(14px);

    border:1px solid rgba(29,78,216,0.25);

    box-shadow:
        0 10px 25px rgba(0,0,0,0.08),
        inset 0 0 0 1px rgba(255,255,255,0.4);

    text-decoration:none;

    transition:all .35s ease;

    overflow:hidden;

    animation:btnIn .5s ease;
}

/* ÍCONE */
.back-btn i{
    font-size:18px;
    transition:transform .3s ease;
}

/* HOVER */
.back-btn:hover{
    transform:translateY(-4px) scale(1.08);
    background:#1d4ed8;
    color:#fff;
    box-shadow:0 15px 35px rgba(29,78,216,0.35);
}

.back-btn:hover i{
    transform:translateX(-3px);
}

/* BRILHO ANIMADO */
.back-btn::before{
    content:"";
    position:absolute;
    top:0;
    left:-140%;
    width:60%;
    height:100%;
    background:linear-gradient(
        120deg,
        transparent,
        rgba(255,255,255,0.6),
        transparent
    );
    transform:skewX(-20deg);
}

.back-btn:hover::before{
    animation:shine 0.7s ease;
}

/* ANIMAÇÕES */
@keyframes shine{
    from{
        left:-140%;
    }
    to{
        left:140%;
    }
}

@keyframes btnIn{
    from{
        opacity:0;
        transform:translateY(-15px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}