.header {
    top: 0;
    left: 0;
    right: 0;
    background: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.2rem;
    padding: 0.2rem 0.625rem;
    flex-direction: row;
}

.app-icon {
    width: 5.8rem;
    height: 5.8rem;
    border-radius: 0.5rem;
    object-fit: contain;
    transition: var(--transition);
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 3.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    padding: 0 0.4rem;
    line-height: 1.2;
    display: inline-block;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInFromLeft 0.6s ease-out forwards;
}

.nav-link:nth-child(1) { animation-delay: 0.1s; }
.nav-link:nth-child(2) { animation-delay: 0.2s; }
.nav-link:nth-child(3) { animation-delay: 0.3s; }

@keyframes slideInFromLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

a.download-btn,
a.mobile-download-btn {
    text-decoration: none;
    color: white;
    text-align: center;
    box-sizing: border-box;
}

.download-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-family: 'TheYearofHandicrafts', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 24px 0 rgba(59, 130, 246, 0.15);
    margin-right: 0;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInFromLeft 0.6s ease-out forwards;
    animation-delay: 0.4s;
}

.download-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 32px 0 rgba(59, 130, 246, 0.18);
}

.download-btn:active {
    transform: scale(0.98);
}

.burger {
    display: none;
}

.mobile-header {
    display: none;
    width: 100%;
    padding: 1rem 0;
    transition: var(--transition);
}

.mobile-header.hide {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
}

.mobile-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-direction: row-reverse;
}

.burger-menu {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.burger-menu:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.burger-icon {
    width: 1.5rem;
    height: 1.5rem;
    transition: var(--transition);
    filter: brightness(0) saturate(100%) invert(8%) sepia(100%) saturate(1000%) hue-rotate(200deg) brightness(30%) contrast(100%);
}

.mobile-app-icon {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 0.5rem;
    object-fit: contain;
    transition: var(--transition);
}

.mobile-menu-row {
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem 0;
    background: transparent;
    border-top: none;
    opacity: 0;
    transform: translateY(-100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
}

.mobile-menu-row.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    transition: var(--transition);
    text-align: center;
    border-radius: 0.5rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu-row.active .mobile-nav-link:nth-child(1) {
    animation: slideInFromLeft 0.5s ease-out forwards;
    animation-delay: 0.1s;
}

.mobile-menu-row.active .mobile-nav-link:nth-child(2) {
    animation: slideInFromLeft 0.5s ease-out forwards;
    animation-delay: 0.2s;
}

.mobile-menu-row.active .mobile-nav-link:nth-child(3) {
    animation: slideInFromLeft 0.5s ease-out forwards;
    animation-delay: 0.3s;
}

.mobile-menu-row.active .mobile-download-btn {
    animation: slideInFromLeft 0.5s ease-out forwards;
    animation-delay: 0.4s;
}

.mobile-nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(59, 130, 246, 0.05);
}

.mobile-download-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-family: 'TheYearofHandicrafts', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 24px 0 rgba(59, 130, 246, 0.15);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-download-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px 0 rgba(59, 130, 246, 0.18);
}

.mobile-download-btn:active {
    transform: scale(0.98);
}

.mobile-header-content .mobile-download-btn {
    opacity: 1;
    transform: translateX(0);
    animation: slideInFromLeft 0.6s ease-out forwards;
    animation-delay: 0.2s;
}

@media (min-width: 759px) {
    .mobile-header,
    .mobile-menu-row {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .header {
        position: static;
        width: 100%;
        left: unset;
        right: unset;
        top: unset;
        backdrop-filter: none;
        box-shadow: none;
        margin: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
    }
    .header-content {
        display: none;
    }
    
    .mobile-header {
        display: block;
    }
    
    .mobile-menu-row {
        display: none;
    }
    
    @media (max-width: 480px) {
        .mobile-menu-row {
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .mobile-nav-link,
        .mobile-download-btn {
            font-size: 0.85rem;
            padding: 0.4rem 0.6rem;
        }
    }
}
@media (max-width: 1024px) {
    .header-content {
        gap: 2rem;
    }
    .download-btn {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}