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

body {
    background: #f3f4f6;
    color: #1f2937;
    line-height: 1.6
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px
}

header {
    background: #111827;
    color: #fff;
    padding: 20px 0
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500
}

nav a:hover {
    color: #9ca3af
}

.hero {
    background: linear-gradient(to right, #374151, #111827);
    color: #fff;
    padding: 80px 20px
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: #6b7280;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600
}

.btn:hover {
    background: #4b5563
}

.section {
    padding: 60px 0
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08)
}

footer {
    background: #111827;
    color: #d1d5db;
    padding: 40px 20px;
    text-align: center
}

form input,
form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px
}

form button {
    border: none;
    cursor: pointer
}

@media(max-width:768px) {
    .hero h1 {
        font-size: 32px
    }

    nav ul {
        flex-direction: column
    }
}