/* ========================================
   TOP MENU NAVIGATION
   ======================================== */

.top-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 20px;
}

.menu-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Section */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Menu Links */
.menu-links {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.menu-link {
    color: #4a5568;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

    .menu-link:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateY(-2px);
    }

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

    .menu-toggle span {
        width: 25px;
        height: 3px;
        background: #667eea;
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

/* ========================================
   BANNER AD SECTION (300x300)
   ======================================== */

.banner-ad-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    padding: 10px;
}

.banner-ad {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
}

/* Ad Placeholder (Remove when using real ads) */
.ad-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    color: #a0aec0;
    font-size: 1.2rem;
    font-weight: 600;
}

.ad-size {
    font-size: 0.9rem;
    color: #cbd5e0;
    margin-top: 10px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .menu-container {
        padding: 12px 20px;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

        .menu-links.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

    .menu-link {
        padding: 12px 20px;
        width: 100%;
        justify-content: flex-start;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .logo-img {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .menu-container {
        padding: 10px 15px;
    }

    .logo-text {
        display: none;
    }

    .banner-ad {
        width: 280px;
        height: 280px;
    }
}

@media (max-width: 360px) {
    .banner-ad {
        width: 250px;
        height: 250px;
    }
}