:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --light: #f8fafc;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: #eef2ff;
    color: #222;
}

/* NAVBAR */

.navbar {
    background: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO */

.hero {
    height: 90vh;
    background: linear-gradient(135deg,#2563eb,#60a5fa);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
}

.btn {
    display: inline-block;
    margin-top: 1.5rem;
    background: white;
    color: var(--primary);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
}

/* SECTIONS */

.section {
    padding: 4rem 10%;
}

.section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.alt {
    background: white;
}

/* CARDS */

.card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 1rem auto;
    max-width: 700px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: 0.3s;
}

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

/* TOOLS */

.tools {
    max-width: 600px;
    margin: auto;
    list-style: none;
}

.tools li {
    background: #eef2ff;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
}

/* FOOTER */

footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* MOBILE */

@media(max-width:768px){

    .nav-links{
        display:none;
        flex-direction:column;
        position:absolute;
        right:5%;
        top:70px;
        background:white;
        padding:1rem;
        border-radius:10px;
    }

    .nav-links.active{
        display:flex;
    }

    .menu-btn{
        display:block;
    }

    .hero h1{
        font-size:2rem;
    }
}