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

body{
    min-height:100vh;
    overflow-x:hidden;

    background:
    radial-gradient(circle at top left,#b7e3ff,transparent 35%),
    radial-gradient(circle at bottom right,#7bc7ff,transparent 30%),
    linear-gradient(135deg,#ffffff,#eef8ff,#dff2ff);

    color:#0f3b66;
    position:relative;
}

/* ===== BACKGROUND EFFECT ===== */

.bg-circle{
    position:absolute;
    border-radius:50%;
    filter:blur(90px);
    z-index:-1;
    animation:float 7s ease-in-out infinite;
}

.bg1{
    width:350px;
    height:350px;
    background:#59b7ff55;
    top:-120px;
    left:-120px;
}

.bg2{
    width:400px;
    height:400px;
    background:#008cff33;
    bottom:-150px;
    right:-120px;
    animation-delay:2s;
}

@keyframes float{
    0%,100%{
        transform:translateY(0px);
    }

    50%{
        transform:translateY(35px);
    }
}

/* ===== NAV ===== */

nav{
    width:100%;
    padding:30px 8%;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    font-size:2.3rem;
    font-weight:900;
    color:#0084ff;
    letter-spacing:1px;
}

.logo span{
    color:#0f3b66;
}

.nav-btn{
    padding:14px 24px;
    border:none;
    border-radius:16px;
    background:linear-gradient(135deg,#36a9ff,#0077ff);
    color:white;
    font-weight:700;
    cursor:pointer;
    transition:0.4s;
    box-shadow:0 10px 30px #008cff33;
}

.nav-btn:hover{
    transform:translateY(-4px) scale(1.04);
}

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

.hero{
    min-height:85vh;
    padding:40px 8%;
    display:flex;
    justify-content:center;
    align-items:center;
    gap:90px;
    flex-wrap:wrap;
}

/* ===== TEXT ===== */

.hero-text{
    flex:1;
    min-width:320px;
}

.hero-text h1{
    font-size:5rem;
    line-height:1;
    margin-bottom:25px;
    font-weight:900;
}

.hero-text h1 span{
    color:#0084ff;
}

.hero-text p{
    font-size:1.15rem;
    line-height:2;
    color:#4d7194;
    max-width:650px;
    margin-bottom:40px;
}

.buttons{
    display:flex;
    gap:20px;
    flex-wrap:wrap;
}

.btn{
    text-decoration:none;
    padding:18px 32px;
    border-radius:18px;
    font-weight:700;
    transition:0.4s;
}

.primary{
    background:linear-gradient(135deg,#36a9ff,#0077ff);
    color:white;
    box-shadow:0 10px 30px #008cff44;
}

.secondary{
    border:2px solid #0084ff;
    color:#0084ff;
    background:white;
}

.btn:hover{
    transform:translateY(-6px) scale(1.05);
}

/* ===== SOCIAL PANEL ===== */

.social-box{
    width:420px;
    background:rgba(255,255,255,0.75);
    backdrop-filter:blur(20px);

    border:2px solid rgba(255,255,255,0.9);

    border-radius:35px;

    padding:35px;

    box-shadow:
    0 30px 60px rgba(0,140,255,0.15),
    inset 0 0 25px rgba(255,255,255,0.9);
}

.social-header{
    text-align:center;
    margin-bottom:35px;
}

.social-header h2{
    font-size:2.2rem;
    color:#0084ff;
    margin-bottom:10px;
}

.social-header p{
    color:#6887a8;
}

/* ===== SOCIAL CARD ===== */

.socials{
    display:flex;
    flex-direction:column;
    gap:25px;
}

.card{
    display:flex;
    align-items:center;
    gap:22px;

    background:white;

    border-radius:28px;

    padding:24px;

    text-decoration:none;

    transition:0.4s;

    position:relative;

    overflow:hidden;

    border:1px solid #dbefff;
}

.card::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,#ffffffcc,transparent);
}

.card:hover{
    transform:translateX(12px) scale(1.03);

    box-shadow:
    0 15px 35px rgba(0,140,255,0.15);
}

/* ===== ICON ===== */

.icon{
    min-width:75px;
    height:75px;

    border-radius:24px;

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

    font-size:1.8rem;

    color:white;

    background:linear-gradient(135deg,#36a9ff,#0077ff);

    box-shadow:0 10px 25px rgba(0,140,255,0.3);
}

.info h3{
    font-size:1.2rem;
    margin-bottom:6px;
    color:#103a66;
}

.info p{
    color:#6e8cac;
    font-size:0.95rem;
}

/* ===== FEATURES ===== */

.features{
    padding:100px 8%;
}

.title{
    text-align:center;
    margin-bottom:70px;
}

.title h2{
    font-size:3.5rem;
    margin-bottom:15px;
    color:#103a66;
}

.title p{
    color:#6b89a8;
    font-size:1.05rem;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:35px;
}

.feature{
    background:rgba(255,255,255,0.75);

    border-radius:30px;

    padding:40px;

    border:1px solid #d9ecff;

    transition:0.4s;

    backdrop-filter:blur(15px);
}

.feature:hover{
    transform:translateY(-12px);

    box-shadow:
    0 20px 45px rgba(0,140,255,0.15);
}

.feature i{
    font-size:2.3rem;
    color:#0084ff;
    margin-bottom:25px;
}

.feature h3{
    margin-bottom:15px;
    color:#103a66;
}

.feature p{
    line-height:1.9;
    color:#6887a8;
}

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

footer{
    padding:50px;
    text-align:center;
    color:#6c89a8;
    font-weight:500;
}

/* ===== RESPONSIVO ===== */

@media(max-width:900px){

    .hero{
        gap:60px;
    }

    .hero-text h1{
        font-size:3.5rem;
    }

    .social-box{
        width:100%;
    }

}

@media(max-width:500px){

    .hero-text h1{
        font-size:2.7rem;
    }

    .title h2{
        font-size:2.2rem;
    }

    .card{
        padding:18px;
    }

    .icon{
        min-width:65px;
        height:65px;
        font-size:1.5rem;
    }

}

#copyright-div {
    display: flex;
    justify-content: center;
    align-items: center;
}
#copyright {
    text-align: center;
    margin-top: 30px;
    font-size: 0.85rem;
    opacity: 0.7;
}

.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);
    }
}