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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
    background-color: #ffffff;
    color: #0f172a;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    padding: 60px 0;
}

h1, h2, h3 {
    margin-bottom: 20px;
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 40px;
}

p {
    margin-bottom: 20px;
    color: #334155;
}

ul {
    margin-left: 20px;
    margin-bottom: 20px;
    color: #334155;
}

a {
    text-decoration: none;
    color: #0f172a;
}

/* Navigation */
nav {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

nav .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav ul li a {
    font-weight: 500;
    color: #0f172a;
}

/* Hero */
.hero {
    background: #f8fafc;
    padding: 100px 0;
    text-align: center;
}

.hero p {
    font-size: 1.1rem;
    color: #64748b;
    max-width: 700px;
    margin: 20px auto;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background: #0f172a;
    color: #ffffff;
    border-radius: 4px;
    margin-top: 20px;
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: #0f172a;
    color: #ffffff;
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
}

footer p {
    color: #cbd5e1;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 60px 20px;
    }
}