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

body{
    background: linear-gradient(180deg,#f7f7f7,#eaeaea);
    color:#111;
    overflow-x:hidden;
}

/* ===== ABSTRACT BACKGROUND SHAPES ===== */
body::before,
body::after{
    content:'';
    position:fixed;
    width:420px;
    height:420px;
    border-radius:50%;
    filter:blur(120px);
    opacity:0.35;
    z-index:-1;
}

body::before{
    background:#cfcfcf;
    top:-120px;
    left:-120px;
}

body::after{
    background:#d9d9d9;
    bottom:-120px;
    right:-120px;
}

/* NAVBAR */
.navbar{
    position:sticky;
    top:0;
    z-index:100;
    padding:18px 60px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:rgba(255,255,255,0.9);
    backdrop-filter:blur(12px);
}

.logo{
    font-size:22px;
    font-weight:700;
}
.logo span{ color:#444; }

.navbar nav a{
    margin:0 14px;
    text-decoration:none;
    color:#222;
    font-weight:500;
}

.nav-btn{
    background:#1a1a1a;
    color:white;
    padding:8px 18px;
    border-radius:20px;
    font-size:14px;
}

.nav-btn.disabled{
    opacity:1;
    cursor: pointer;;
}

/* HERO */
.hero{
    min-height:90vh;
    padding:80px 60px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    position:relative;
}

/* HERO GEOMETRY */
.hero::before,
.hero::after{
    content:'';
    position:absolute;
    border-radius:50%;
    background:linear-gradient(135deg,#f0f0f0,#dcdcdc);
    z-index:-1;
}

.hero::before{
    width:260px;
    height:260px;
    top:40px;
    right:180px;
}

.hero::after{
    width:180px;
    height:180px;
    bottom:60px;
    left:120px;
}

.hero-text{ max-width:520px; }

.hero-text h1{
    font-size:44px;
    margin-bottom:20px;
}

.hero-text p{
    color:#333;
    margin-bottom:30px;
    line-height:1.6;
}

.hero-actions a{
    margin-right:15px;
    padding:12px 26px;
    border-radius:24px;
    text-decoration:none;
    font-weight:600;
}

.primary{
    background:#1a1a1a;
    color:white;
}

.secondary{
    border:2px solid #1a1a1a;
    color:#1a1a1a;
}

/* HERO CARDS */
.hero-cards{
    display:flex;
    gap:30px;
}

.hero-card{
    background:white;
    padding:28px;
    border-radius:20px;
    box-shadow:0 20px 50px rgba(0,0,0,0.25);
    width:280px;
}

.hero-card.alt{
    background:#f3f3f3;
}

.hero-card ul{
    list-style:none;
    margin-top:15px;
}

.hero-card li{
    margin-bottom:10px;
}

/* FEATURES */
.features{
    background:#ffffff;
    padding:100px 60px;
    text-align:center;
}

.feature-grid{
    margin-top:50px;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:30px;
}

.feature{
    padding:30px;
    background:#f7f7f7;
    border-radius:16px;
}

.feature i{
    font-size:30px;
    margin-bottom:12px;
}

/* ABOUT */
.about{
    padding:90px 60px;
    background:#f1f1f1;
    text-align:center;
}

/* CONTACT */
.contact{
    padding:80px 60px;
    background:#111;
    color:white;
    text-align:center;
}

.socials a{
    color:white;
    font-size:26px;
    margin:0 10px;
}

/* FOOTER */
footer{
    background:#0a0a0a;
    color:#aaa;
    text-align:center;
    padding:20px;
}

/* FLOATING CHATBOT */
.chatbot-float{
    position:fixed;
    bottom:25px;
    right:25px;
    background:#1a1a1a;
    color:white;
    padding:14px 18px;
    border-radius:30px;
    text-decoration:none;
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    box-shadow:0 15px 40px rgba(0,0,0,0.4);
    transition:0.3s;
    z-index:999;
}

.chatbot-float:hover{
    transform:translateY(-4px);
}