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

body {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* Header */
.header {
    padding: 20px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header a {
    color: #cbd5f5;
    margin-left: 20px;
    text-decoration: none;
}

/* Hero */
.hero {
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 30px;
    color: #94a3b8;
}

.hero button {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #22d3ee);
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

.hero button:hover {
    transform: scale(1.05);
}

/* Features */
.features {
    padding: 60px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #1e293b;
    padding: 30px;
    border-radius: 16px;
    transition: 0.3s;
}

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

/* Footer */
.footer {
    padding: 30px 0;
    text-align: center;
    color: #64748b;
}