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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 200vh; 
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: #0066CC;
    border-radius: 50px;
    padding: 15px 40px;
    margin: 10px;
    right: 10px;
    left: 10px;
    width: calc(100% - 20px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0066CC;
}

.navbar.scrolled .nav-link {
    color: white;
}

.navbar.scrolled .nav-link:hover {
    color: #E0F0FF;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
}

.logo img {
    width: auto;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.logo-default {
    display: block;
    opacity: 1;
    height: 70px; 
}

.logo-scrolled {
    display: none;
    opacity: 0;
    height: 40px;
}

.navbar.scrolled .logo-default {
    display: none;
    opacity: 0;
}

.navbar.scrolled .logo-scrolled {
    display: block;
    opacity: 1;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.icon-btn:hover {
    transform: scale(1.1);
}

.icon-btn svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: #333;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.navbar.scrolled .icon-btn svg {
    stroke: white;
}

.cart-count {
    position: absolute;
    bottom: 18px;
    right: 18px;
    background-color: #FF6B6B;
    color: white;
    font-size: 10px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-wrapper {
    position: relative;
}

.content {
    padding-top: 100px;
    padding-left: 40px;
    padding-right: 40px;
}

.content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #333;
}

.content p {
    font-size: 18px;
    line-height: 1.6;
    color: #666;
    max-width: 800px;
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }

    .nav-left {
        gap: 15px;
    }

    .nav-link {
        font-size: 12px;
    }

    .logo-default {
        height: 50px; 
    }

    .logo-scrolled {
        height: 30px; 
    }
}