/* ========================================
   Navid Yavari Photography - Main Styles
   ======================================== */

/* CSS Variables */
:root {
    --bg-color: #f5f5f5;
    --text-color: #999;
    --text-light: #ccc;
    --border-color: #ddd;
    --menu-bg: #d9d9d9;
    --menu-text: #333;
    --white: #fff;
    --black: #000;
    --transition: 0.3s ease;
}

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

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    font-family: 'Didact Gothic', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
}

/* Main Wrapper */
.main-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Dotted Border Frame */
.frame {
    position: relative;
    width: 100%;
    max-width: 1400px;
    height: calc(100% - 40px);
    border: 1px dotted var(--border-color);
    display: flex;
    flex-direction: column;
    background: var(--white);
}

/* Header */
.header {
    padding: 25px 20px 15px;
    text-align: center;
}

.site-title {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 8px;
    color: var(--text-light);
    text-transform: none;
}

/* Main Content */
.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

/* Hero Image Container */
.hero-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    max-width: 100%;
    max-height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    cursor: pointer;
    transition: opacity var(--transition);
}

.hero-image.loading {
    opacity: 0.5;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 20px;
    width: 100%;
    max-height: 100%;
    overflow-y: auto;
    justify-items: center;
}

.gallery-thumb {
    width: 150px;
    height: 100px;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition), opacity var(--transition);
    border: 1px solid transparent;
}

.gallery-thumb:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* Info Bar */
.info-bar {
    text-align: center;
    padding: 10px;
    font-size: 14px;
    color: var(--text-color);
}

.gallery-name {
    font-weight: 400;
}

.image-count::before {
    content: ' | ';
}

/* Footer Navigation */
.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border-top: 1px dotted var(--border-color);
}

.nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    padding: 5px;
    transition: color var(--transition);
}

.nav-btn:hover {
    color: var(--black);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-btn svg {
    display: block;
}

/* Menu Toggle Button */
.menu-toggle {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background: var(--menu-bg);
    border: none;
    padding: 15px 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 2px;
    z-index: 100;
    transition: background var(--transition);
}

.menu-toggle:hover {
    background: #bbb;
}

.menu-toggle span {
    display: block;
}

/* Sidebar Menu */
.sidebar-menu {
    position: fixed;
    left: -280px;
    top: 0;
    width: 280px;
    height: 100%;
    background: var(--white);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    transition: left var(--transition);
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-menu.open {
    left: 0;
}

.menu-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.artist-name {
    font-size: 18px;
    color: var(--menu-text);
    font-weight: 400;
}

.menu-list {
    list-style: none;
    padding: 10px 0;
}

.menu-item {
    display: block;
    padding: 10px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    transition: background var(--transition), color var(--transition);
}

.menu-item:hover {
    background: var(--bg-color);
    color: var(--black);
}

.menu-item.active {
    color: var(--black);
    font-weight: 500;
}

.menu-section {
    border-bottom: 1px solid var(--border-color);
}

.menu-section-title {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--menu-text);
    cursor: pointer;
    position: relative;
}

.menu-section-title::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    transition: transform var(--transition);
}

.menu-section-title.expanded::after {
    content: '−';
}

.submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: #fafafa;
}

.submenu.open {
    max-height: 800px;
}

.submenu .menu-item {
    padding-left: 30px;
    font-size: 13px;
}

/* Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 999;
}

.menu-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 2001;
}

.lightbox-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.lightbox-prev,
.lightbox-next {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    font-size: 30px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background var(--transition);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.4);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--white);
    padding: 30px 40px;
    max-width: 400px;
    text-align: center;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

.modal-content a {
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .site-title {
        font-size: 18px;
        letter-spacing: 4px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    .gallery-thumb {
        width: 120px;
        height: 80px;
    }

    .sidebar-menu {
        width: 260px;
        left: -260px;
    }

    .hero-image {
        max-height: 60vh;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 14px;
        letter-spacing: 2px;
    }

    .frame {
        border: none;
    }

    .main-wrapper {
        padding: 10px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Page Content (Bio, Acknowledgements) */
.page-content {
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
    color: #333;
    line-height: 1.8;
    font-size: 15px;
}

.page-content h2 {
    font-family: 'Didact Gothic', sans-serif;
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
    color: #222;
}

.page-content p {
    margin-bottom: 20px;
    text-align: left;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Print Styles */
@media print {
    .menu-toggle,
    .sidebar-menu,
    .footer-nav {
        display: none;
    }
}