/* ===========================
   I9 TECH WIFI
   style.css
=========================== */

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

:root{

    --primary:#2563eb;
    --primary-dark:#1d4ed8;
    --secondary:#0f172a;

    --success:#22c55e;

    --white:#ffffff;

    --text:#e2e8f0;

    --card:rgba(255,255,255,.08);

    --border:rgba(255,255,255,.15);

    --shadow:0 15px 40px rgba(0,0,0,.35);

    --radius:18px;

}

body{

    font-family:Arial,Helvetica,sans-serif;

    background:linear-gradient(135deg,#0f172a,#1e3a8a);

    color:var(--text);

    min-height:100vh;

}

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

.container{

    width:100%;
    max-width:1200px;

    margin:auto;

    padding:40px 20px;

}

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

.logo{

    text-align:center;

    margin-bottom:50px;

}

.logo img{

    width:110px;

    margin-bottom:15px;

}

.logo h1{

    color:#fff;

    font-size:40px;

    font-weight:bold;

}

.logo p{

    color:#cbd5e1;

    margin-top:10px;

}

/* ===========================
   PLANOS
=========================== */

.planos{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(270px,1fr));

    gap:30px;

}

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

.card{

    background:var(--card);

    backdrop-filter:blur(14px);

    border:1px solid var(--border);

    border-radius:var(--radius);

    box-shadow:var(--shadow);

    padding:30px;

    transition:.35s;

}

.card:hover{

    transform:translateY(-8px);

}

.card h2{

    text-align:center;

    color:#fff;

    margin-bottom:25px;

    font-size:26px;

}

.valor{

    text-align:center;

    font-size:42px;

    font-weight:bold;

    color:#38bdf8;

    margin-bottom:20px;

}

.duracao,
.velocidade{

    display:flex;

    justify-content:center;

    align-items:center;

    gap:10px;

    margin-bottom:15px;

    font-size:17px;

}

.card i{

    color:#38bdf8;

}

/* ===========================
   BOTÃO
=========================== */

.btn{

    width:100%;

    margin-top:25px;

    border:none;

    border-radius:12px;

    padding:15px;

    font-size:17px;

    cursor:pointer;

    background:linear-gradient(90deg,#2563eb,#3b82f6);

    color:#fff;

    transition:.3s;

    font-weight:bold;

}

.btn:hover{

    background:linear-gradient(90deg,#1d4ed8,#2563eb);

    transform:scale(1.03);

}

/* ===========================
   RODAPÉ
=========================== */

.rodape{

    margin-top:50px;

    text-align:center;

    color:#94a3b8;

    font-size:14px;

}

/* ===========================
   LOADING
=========================== */

.loading{

    display:none;

    position:fixed;

    inset:0;

    background:rgba(15,23,42,.92);

    justify-content:center;

    align-items:center;

    z-index:9999;

}

.loading.show{

    display:flex;

}

.spinner{

    width:70px;

    height:70px;

    border-radius:50%;

    border:6px solid rgba(255,255,255,.15);

    border-top:6px solid #38bdf8;

    animation:spin 1s linear infinite;

}

@keyframes spin{

    to{

        transform:rotate(360deg);

    }

}

/* ===========================
   MOBILE
=========================== */

@media(max-width:768px){

.logo h1{

    font-size:30px;

}

.valor{

    font-size:34px;

}

.card{

    padding:22px;

}

.btn{

    padding:16px;

}

}