/* Apple-Style Minimal White Theme */

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
    background: #ffffff;
    color: #111;
}

/* Navigation */

.navbar {
    position: sticky;
    top: 0;
    background: #ffffff;
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e5e5;
}

.navbar .logo {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.navbar nav a {
    margin-left: 30px;
    text-decoration: none;
    color: #111;
    font-size: 15px;
    opacity: 0.8;
}

.navbar nav a:hover {
    opacity: 1;
}

/* Hero */

.hero {
    text-align: center;
    padding: 120px 20px 80px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -1.5px;
}

.subtitle {
    font-size: 20px;
    color: #555;
    margin-top: 10px;
}

/* Sections */

.section {
    max-width: 900px;
    padding: 60px 20px;
    margin: auto;
    text-align: center;
}

.section h2 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 20px;
}

/* Cards */

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    padding: 25px;
    border: 1px solid #efefef;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s;
}

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

/* Footer */

footer {
    text-align: center;
    padding: 40px;
    font-size: 14px;
    color: #444;
    border-top: 1px solid #e5e5e5;
}

/* Mobile Fixes */

@media (max-width: 600px) {
    .hero h1 {
        font-size: 38px;
    }

    .navbar {
        padding: 15px 20px;
    }
}