/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

a {
    color: #0056b3;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #003d82;
}

/* ===== Container ===== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header & Navigation ===== */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #0056b3;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.nav-links a:hover {
    color: #0056b3;
}

/* ===== Hero Section ===== */
.hero {
    background-color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a1a;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.5;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-primary {
    background-color: #0056b3;
    color: #fff;
}

.btn-primary:hover {
    background-color: #003d82;
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.2);
    transform: translateY(-2px);
}

/* ===== What is Famle Section ===== */
.what-is {
    background-color: #fff;
    padding: 80px 0;
}

.what-is h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    text-align: center;
    color: #1a1a1a;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 40px;
    background-color: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* ===== Why Famle Section ===== */
.why {
    background-color: #f9f9f9;
    padding: 80px 0;
}

.why h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    text-align: center;
    color: #1a1a1a;
}

.benefits-list {
    list-style: none;
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.benefits-list li {
    padding: 32px;
    background-color: #fff;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
}

.benefits-list strong {
    font-size: 18px;
    color: #0056b3;
    display: block;
    margin-bottom: 12px;
}

.benefits-list p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* ===== Footer ===== */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 40px 0;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    font-size: 14px;
    color: #bbb;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.footer-links a {
    font-size: 14px;
    color: #bbb;
}

.footer-links a:hover {
    color: #fff;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .nav-links {
        gap: 16px;
        font-size: 14px;
    }

    .what-is h2,
    .why h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .features-grid,
    .benefits-list {
        gap: 24px;
    }

    .feature-card,
    .benefits-list li {
        padding: 24px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .hero {
        padding: 60px 0;
    }

    .what-is,
    .why {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .logo {
        font-size: 20px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .hero {
        padding: 40px 0;
    }

    .what-is,
    .why {
        padding: 40px 0;
    }

    .what-is h2,
    .why h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }
}