/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.02em;
    color: #222;
    background-color: #fff;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Site Layout - Left Sidebar */
.site-wrapper {
    display: flex;
    min-height: calc(100vh - 60px);
}

/* Sidebar */
.sidebar {
    width: 200px;
    flex-shrink: 0;
    padding: 30px 25px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
}

.header {
    margin-bottom: 25px;
}

.logo {
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: none;
}

.logo a {
    color: #222;
}

.logo a:hover {
    color: #ff00ad;
}

/* Navigation */
.nav-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 14px;
    font-weight: 400;
    color: #222;
    padding: 3px 0;
    display: inline-block;
    letter-spacing: 0.02em;
}

.nav-link:hover {
    color: #ff00ad;
}

.nav-link.selected {
    color: #ff00ad;
}

/* Category Links */
.nav-link.category {
    font-weight: 400;
    text-transform: none;
}

.nav-link.category:hover {
    color: #ff00ad;
}

/* Dropdown Menus */
.dropdown {
    display: none;
    padding: 2px 0 6px 12px;
}

.has-dropdown.open .dropdown {
    display: block;
}

.dropdown li {
    padding: 2px 0;
}

.dropdown a {
    font-size: 14px;
    font-weight: 400;
    color: #222;
    letter-spacing: 0.02em;
}

.dropdown a:hover {
    color: #ff00ad;
}

.dropdown a.selected {
    color: #ff00ad;
}

/* Main Content */
.main {
    flex: 1;
    margin-left: 200px;
    padding: 30px 40px;
}

.content {
    max-width: 800px;
}

.image-container {
    width: 50%;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.image-container img.spinning {
    animation: spin 40s linear infinite;
}

.image-container img {
    width: 100%;
    height: auto;
}

/* Page Title */
.page-title {
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 20px;
    color: #222;
    letter-spacing: 0.02em;
}

/* Placeholder content */
.placeholder {
    padding: 60px 0;
    text-align: center;
    color: #888;
    font-style: italic;
    font-size: 13px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 13px;
    font-family: inherit;
    font-weight: 400;
    color: #222;
    cursor: pointer;
    padding: 5px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

/* Footer */
.footer {
    padding: 20px 40px;
    text-align: center;
    font-size: 12px;
    font-weight: 400;
    color: #888;
    margin-left: 200px;
    letter-spacing: 0.02em;
}

/* Responsive Design */
@media (max-width: 900px) {
    .sidebar {
        width: 180px;
        padding: 25px 20px;
    }

    .main {
        margin-left: 180px;
        padding: 25px;
    }

    .footer {
        margin-left: 180px;
        padding: 20px 25px;
    }
}

@media (max-width: 768px) {
    .site-wrapper {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -250px;
        width: 220px;
        height: 100vh;
        background: #fff;
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.08);
    }

    .sidebar.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: block;
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 999;
        background: #fff;
        padding: 8px 12px;
        border: 1px solid #ddd;
    }

    .mobile-menu-toggle.active {
        left: 240px;
    }

    .main {
        margin-left: 0;
        padding: 60px 20px 30px;
    }

    .footer {
        margin-left: 0;
        padding: 20px;
    }
}

/* Gallery Grid for subpages */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item img {
    width: 100%;
    height: auto;
}

/* About page styles */
.about-content {
    max-width: 500px;
}

.about-content h2 {
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 20px;
    color: #222;
}

.about-content p {
    margin-bottom: 14px;
    line-height: 1.7;
    font-size: 14px;
}

.about-content a {
    text-decoration: underline;
}

.about-content a:hover {
    color: #ff00ad;
}

/* Video container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin-bottom: 20px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Project description */
.project-description {
    margin-top: 20px;
    line-height: 1.7;
    font-size: 14px;
}

.project-description p {
    margin-bottom: 12px;
}