:root{
    --primary:#f59e0b;
    --blue:#3b82f6;
    --purple:#8b5cf6;
    --dark:#0f172a;
    --text:#0f172a;
    --muted:#64748b;
    --bg:#f6f7fb;
    --card:#ffffff;
    --border:rgba(15,23,42,0.08);
}

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

body{
    font-family:Inter,Segoe UI;
    background:var(--bg);
    color:var(--text);
}

/* ================= NAV ================= */
.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 70px;
    background:rgba(255,255,255,0.7);
    backdrop-filter:blur(16px);
    position:sticky;
    top:0;
    z-index:1000;
    border-bottom:1px solid var(--border);
}

.logo{
    font-weight:800;
    font-size:18px;
}

.logo span{
    color:var(--primary);
}

.nav a{
    margin-left:20px;
    text-decoration:none;
    font-size:13px;
    color:var(--muted);
    position:relative;
}

.nav a:hover{
    color:var(--primary);
}

/* ================= HERO (IMPORTANT UPGRADE) ================= */
.hero{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:110px 70px;
    position:relative;
    overflow:hidden;
}

/* gradient background glow */
.hero::before{
    content:"";
    position:absolute;
    width:700px;
    height:700px;
    background:radial-gradient(circle at top left,
        rgba(245,158,11,0.25),
        rgba(59,130,246,0.2),
        transparent 70%);
    top:-200px;
    right:-200px;
    filter:blur(60px);
}

/* floating shapes */
.hero::after{
    content:"";
    position:absolute;
    width:300px;
    height:300px;
    background:rgba(139,92,246,0.15);
    bottom:-120px;
    left:-120px;
    border-radius:50%;
    filter:blur(40px);
}

.hero-text{
    max-width:600px;
    z-index:1;
}

.hero h1{
    font-size:52px;
    line-height:1.1;
    font-weight:800;
}

.hero h1 span{
    background:linear-gradient(90deg,var(--primary),var(--blue));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{
    margin-top:18px;
    color:var(--muted);
    font-size:15px;
}

/* CTA buttons */
.btn-group{
    margin-top:30px;
    display:flex;
    gap:12px;
}

.btn{
    padding:12px 18px;
    border-radius:12px;
    border:none;
    cursor:pointer;
    font-size:13px;
    transition:0.3s;
}

.btn-primary{
    background:var(--primary);
    color:#111;
    box-shadow:0 10px 20px rgba(245,158,11,0.25);
}

.btn-primary:hover{
    transform:translateY(-2px);
}

.btn-secondary{
    background:linear-gradient(135deg,var(--blue),var(--purple));
    color:white;
}

/* HERO VISUAL CARD (IMPORTANT) */
.hero-card{
    width:360px;
    padding:25px;
    border-radius:18px;
    background:white;
    box-shadow:0 25px 60px rgba(0,0,0,0.12);
    z-index:1;
}

/* ================= FEATURES ================= */
.section{
    padding:90px 70px;
}

.section-title{
    text-align:center;
    margin-bottom:50px;
}

.section-title h2{
    font-size:32px;
}

.section-title p{
    color:var(--muted);
}

/* FEATURE CARDS (UPGRADED LOOK) */
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:22px;
}

.card{
    background:white;
    border:1px solid var(--border);
    padding:24px;
    border-radius:16px;
    transition:0.3s;
    position:relative;
    overflow:hidden;
}

.card::before{
    content:"";
    position:absolute;
    width:120%;
    height:120%;
    background:linear-gradient(135deg,rgba(245,158,11,0.1),rgba(59,130,246,0.1));
    top:-50%;
    left:-50%;
    transform:rotate(15deg);
}

.card:hover{
    transform:translateY(-6px);
    box-shadow:0 20px 40px rgba(0,0,0,0.08);
}

.card h3{
    margin-bottom:10px;
    position:relative;
}

.card p{
    color:var(--muted);
    font-size:13px;
    position:relative;
}

/* ================= CTA ================= */
.cta{
    padding:90px 70px;
    text-align:center;
    background:linear-gradient(135deg,#f59e0b,#3b82f6,#8b5cf6);
    color:white;
}

.cta h2{
    font-size:34px;
}

/* ================= FOOTER ================= */
.footer{
    padding:30px;
    text-align:center;
    color:var(--muted);
}

/* RESPONSIVE */
@media(max-width:768px){
    .hero{
        flex-direction:column;
        text-align:center;
        gap:40px;
    }

    .navbar{
        flex-direction:column;
        gap:10px;
    }

    .hero h1{
        font-size:34px;
    }
}