/* =========================
   RESET
========================= */

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

html{
    scroll-behavior:smooth;
}

body{

    background:
    radial-gradient(circle at top left,#38bdf820,transparent 25%),
    radial-gradient(circle at bottom right,#9333ea20,transparent 25%),
    #020617;

    color:white;

    overflow-x:hidden;

    min-height:100vh;

}

/* =========================
   GLOW EFFECTS
========================= */

.glow{

    position:fixed;

    width:450px;
    height:450px;

    background:#38bdf820;

    filter:blur(120px);

    top:-150px;
    left:-150px;

    z-index:-1;

}

.glow2{

    position:fixed;

    width:450px;
    height:450px;

    background:#9333ea20;

    filter:blur(120px);

    bottom:-150px;
    right:-150px;

    z-index:-1;

}

/* =========================
   HEADER
========================= */

header{

    padding:22px 8%;

    display:flex;

    justify-content:space-between;

    align-items:center;

    position:sticky;

    top:0;

    z-index:999;

    backdrop-filter:blur(20px);

    background:rgba(255,255,255,.04);

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

}

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

.logo{

    font-size:28px;

    font-weight:700;

    color:#38bdf8;

}

/* =========================
   NAVIGATION
========================= */

.nav{

    display:flex;

    align-items:center;

    gap:20px;

}

.nav a{

    text-decoration:none;

    color:white;

    opacity:.85;

    transition:.3s;

    font-weight:500;

}

.nav a:hover{

    color:#38bdf8;

}

/* =========================
   INSTALL BUTTON
========================= */

.install-btn{

    padding:12px 22px;

    border:none;

    border-radius:14px;

    cursor:pointer;

    font-weight:600;

    font-size:14px;

    color:black;

    background:linear-gradient(
        45deg,
        #38bdf8,
        #0ea5e9
    );

    box-shadow:
    0 0 25px rgba(56,189,248,.35);

    transition:.3s;

}

.install-btn:hover{

    transform:translateY(-3px);

    box-shadow:
    0 0 35px rgba(56,189,248,.55);

}
/* =========================
   HERO SECTION
========================= */

.hero{

    padding:90px 20px;

    text-align:center;

}

.hero h1{

    font-size:60px;

    font-weight:700;

    line-height:1.3;

}

.hero span{

    color:#38bdf8;

}

.hero p{

    margin-top:20px;

    font-size:18px;

    opacity:.8;

}

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

.hero-buttons{

    margin-top:40px;

    display:flex;

    justify-content:center;

    gap:20px;

    flex-wrap:wrap;

}

.btn{

    padding:16px 28px;

    border:none;

    border-radius:16px;

    cursor:pointer;

    font-weight:600;

    font-size:16px;

    text-decoration:none;

    transition:.3s;

}

.primary{

    background:linear-gradient(
        45deg,
        #38bdf8,
        #0ea5e9
    );

    color:black;

    box-shadow:
    0 0 30px rgba(56,189,248,.35);

}

.primary:hover{

    transform:translateY(-4px);

}

.secondary{

    background:rgba(255,255,255,.06);

    color:white;

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

}

.secondary:hover{

    transform:translateY(-4px);

}

/* =========================
   STATS SECTION
========================= */

.stats{

    width:95%;

    max-width:1300px;

    margin:auto;

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(220px,1fr));

    gap:20px;

    padding:20px;

}

.stat-card{

    background:rgba(255,255,255,.05);

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

    backdrop-filter:blur(20px);

    padding:25px;

    border-radius:24px;

    text-align:center;

    transition:.3s;

}

.stat-card:hover{

    transform:translateY(-5px);

    box-shadow:
    0 0 25px rgba(56,189,248,.25);

}

.stat-card h2{

    font-size:34px;

    color:#38bdf8;

}

.stat-card p{

    margin-top:10px;

    opacity:.8;

}

/* =========================
   SECTION TITLES
========================= */

.section-title{

    text-align:center;

    margin-top:60px;
    margin-bottom:30px;

    font-size:38px;

    font-weight:700;

}

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

.features{

    width:95%;

    max-width:1300px;

    margin:auto;

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(300px,1fr));

    gap:20px;

    padding-bottom:30px;

}

.feature-card{

    background:rgba(255,255,255,.05);

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

    backdrop-filter:blur(20px);

    padding:30px;

    border-radius:24px;

    transition:.3s;

}

.feature-card:hover{

    transform:translateY(-6px);

    box-shadow:
    0 0 30px rgba(56,189,248,.25);

}

.feature-card h3{

    font-size:26px;

    color:#38bdf8;

    margin-bottom:15px;

}

.feature-card p{

    opacity:.85;

    line-height:1.8;

}

.feature-card a{

    display:inline-block;

    margin-top:20px;

    padding:14px 22px;

    border-radius:14px;

    background:#38bdf8;

    color:black;

    font-weight:600;

    text-decoration:none;

}

/* =========================
   SUBJECTS SECTION
========================= */

.subjects{

    width:95%;

    max-width:1300px;

    margin:auto;

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(250px,1fr));

    gap:20px;

}

.subject{

    padding:30px;

    text-align:center;

    border-radius:24px;

    background:rgba(255,255,255,.05);

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

    backdrop-filter:blur(20px);

    transition:.3s;

}

.subject:hover{

    transform:scale(1.03);

}

.subject h2{

    font-size:30px;

    margin-bottom:10px;

}

.subject p{

    opacity:.8;

}

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

.footer{

    margin-top:80px;

    padding:40px;

    text-align:center;

    background:rgba(255,255,255,.04);

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

}

.footer h3{

    color:#38bdf8;

    margin-bottom:10px;

}

.footer p{

    opacity:.8;

}

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

@media(max-width:900px){

    header{

        flex-direction:column;

        gap:15px;

    }

    .nav{

        flex-wrap:wrap;

        justify-content:center;

    }

    .hero h1{

        font-size:42px;

    }

}

@media(max-width:600px){

    .hero{

        padding:60px 20px;

    }

    .hero h1{

        font-size:34px;

    }

    .hero-buttons{

        flex-direction:column;

    }

    .btn,
    .install-btn{

        width:100%;

    }

}