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

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

/* =========================
   BODY
========================= */

body{
    background:
    radial-gradient(circle at top left,#10B98125,transparent 25%),
    radial-gradient(circle at bottom right,#06B6D425,transparent 25%),
    #020617;

    color:white;
    overflow-x:hidden;
}

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

.glow{
    position:fixed;
    width:500px;
    height:500px;
    background:#10B98120;
    filter:blur(140px);
    top:-120px;
    left:-120px;
    z-index:-1;
}

.glow2{
    position:fixed;
    width:500px;
    height:500px;
    background:#06B6D420;
    filter:blur(140px);
    bottom:-120px;
    right:-120px;
    z-index:-1;
}

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

header{
    padding:30px 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    backdrop-filter:blur(20px);
    background:rgba(255,255,255,.04);
    border-bottom:1px solid rgba(255,255,255,.08);
    position:sticky;
    top:0;
    z-index:999;
}

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

.logo{
    font-size:28px;
    font-weight:700;
    color:#10B981;
}

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

.nav{
    display:flex;
    gap:20px;
}

.nav a{
    text-decoration:none;
    color:white;
    opacity:.85;
    transition:.3s;
}

.nav a:hover{
    color:#10B981;
}

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

.install-wrapper{
    text-align:center;
    margin-top:20px;
}

.install-btn{
    padding:14px 24px;
    border:none;
    border-radius:16px;
    cursor:pointer;
    font-size:15px;
    font-weight:600;
    color:#020617;
    background:linear-gradient(45deg,#10B981,#06B6D4);
    box-shadow:0 0 30px rgba(16,185,129,.35);
    transition:.3s;
}

.install-btn:hover{
    transform:translateY(-4px);
    box-shadow:0 0 40px rgba(16,185,129,.55);
}

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

.hero{
    padding:80px 20px;
    text-align:center;
}

.hero h1{
    font-size:60px;
    font-weight:700;
    line-height:1.3;
}

.hero span{
    color:#10B981;
}

.hero p{
    margin-top:20px;
    font-size:18px;
    opacity:.8;
}

/* =========================
   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,#10B981,#06B6D4);
    color:#020617;
    box-shadow:0 0 30px rgba(16,185,129,.35);
}

.primary:hover{
    transform:translateY(-5px);
}

.secondary{
    background:rgba(255,255,255,.06);
    color:white;
    border:1px solid rgba(255,255,255,.08);
}

.secondary:hover{
    transform:translateY(-5px);
    background:rgba(255,255,255,.10);
}

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

.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(-6px);
    box-shadow:0 0 30px rgba(16,185,129,.25);
}

.stat-card h2{
    font-size:34px;
    color:#10B981;
}

.stat-card p{
    margin-top:10px;
    opacity:.8;
}

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

.section-title{
    text-align:center;
    margin:60px 0 30px;
    font-size:38px;
    font-weight:700;
}

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

.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(16,185,129,.25);
}

.feature-card h3{
    font-size:26px;
    color:#10B981;
    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:#10B981;
    color:#020617;
    font-weight:600;
    text-decoration:none;
}

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

.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:#10B981;
    margin-bottom:10px;
}

.footer p{
    opacity:.8;
    margin-top:8px;
}

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

@media(max-width:900px){
    header{
        flex-direction:column;
        gap:15px;
    }

    .hero h1{
        font-size:42px;
    }
}

@media(max-width:600px){
    .hero h1{
        font-size:34px;
    }

    .hero-buttons{
        flex-direction:column;
    }

    .btn,
    .install-btn{
        width:100%;
    }
}