/* ========================================
   Alberto Lucci - Public Site Styles
   Design System: Minimalist Black/White/Gray
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-off-white: #F9FAFB;
    --color-black: #1F2937;
    --color-charcoal: #374151;
    --color-gray: #9CA3AF;
    --color-dark-gray: #6B7280;
    --color-light-gray: #F5F5F5;
    --color-border: #E5E7EB;

    /* Typography */
    --font-primary: 'Cormorant Garamond', serif;
    --font-secondary: 'Roboto', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Text Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Spacing */
    --sidebar-width: 280px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Borders & Effects */
    --border-width: 1px;
    --border-radius: 0;
    --border-color: #E5E7EB;
    --transition-base: 250ms ease;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

.contact-page .main-content {
    display: flex;
    justify-content: center;
}

.contact-page .container {
    max-width: 760px;
    width: 100%;
    padding: var(--spacing-md);
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    color: var(--color-black);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: var(--border-width) solid var(--color-border);
    padding: 0.75rem 0.85rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-black);
    background-color: var(--color-white);
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-black);
    box-shadow: 0 0 0 2px rgba(31, 41, 55, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 160px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.hp-field {
    position: absolute;
    left: -9999px;
    visibility: hidden;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.25rem;
    background-color: var(--color-black);
    color: var(--color-white);
    border: var(--border-width) solid var(--color-black);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.btn-submit:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-black);
}

.alert {
    padding: 0.75rem 1rem;
    border: var(--border-width) solid;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.alert.success {
    border-color: #16a34a;
    background-color: #ecfdf3;
    color: #166534;
}

.alert.error {
    border-color: #dc2626;
    background-color: #fef2f2;
    color: #991b1b;
}

/* Layout */
.layout {
    display: block;
    min-height: 100vh;
    background-color: var(--color-white);
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    background-color: var(--color-white);
    border-bottom: var(--border-width) solid var(--color-border);
    z-index: 110;
}

.sidebar-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-lg);
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-sm);
}

@media (min-width: 769px) {
    .sidebar-header,
    .sidebar-footer {
        min-width: 260px;
        flex: 0 0 260px;
    }

    .sidebar-body {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: var(--spacing-lg);
    }

    .sidebar-nav {
        justify-content: center;
    }

    .sidebar-footer {
        justify-content: flex-end;
    }
}

/* Sidebar Header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
}

.site-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    justify-content: center;
}

.nav-item {
    position: relative;
    margin: 0;
    padding-bottom: 0.4rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-gray);
    text-decoration: none;
    transition: color var(--transition-base);
    cursor: pointer;
    padding: 0.5rem 0.25rem;
}

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

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

/* Submenu */
.nav-item.has-submenu > .nav-link {
    cursor: default;
}

.nav-submenu {
    list-style: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    border: var(--border-width) solid var(--color-border);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 0.65rem 0.75rem;
    display: none;
    min-width: 200px;
    z-index: 5;
}

.nav-item.has-submenu:hover .nav-submenu,
.nav-item.has-submenu:focus-within .nav-submenu {
    display: block;
}

.nav-subitem {
    margin: 0 0 0.35rem 0;
}

.nav-subitem:last-child {
    margin-bottom: 0;
}

.nav-sublink {
    display: block;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-gray);
    text-decoration: none;
    transition: color var(--transition-base);
    padding: 0.25rem 0;
}

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

.nav-sublink.active {
    color: var(--color-black);
    font-weight: 500;
}

/* Disabled Gallery Link */
.nav-sublink-disabled {
    color: var(--color-gray);
    opacity: 0.6;
    cursor: not-allowed;
}

.coming-soon-badge {
    display: inline-block;
    font-size: 0.7rem;
    margin-left: 0.5rem;
    padding: 0.125rem 0.375rem;
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    color: var(--color-gray);
    font-weight: 500;
}

/* Sidebar Footer */
.sidebar-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Social Links */
.sidebar-social {
    margin-bottom: 0;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    color: var(--color-gray);
    text-decoration: none;
    transition: color var(--transition-base);
}

.social-link:hover {
    color: var(--color-black);
}

.social-handle {
    font-weight: 400;
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.language-label {
    display: block;
    font-family: var(--font-secondary);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.language-dropdown {
    position: relative;
}

.language-btn {
    min-width: 115px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 0.375rem 0.625rem;
    background-color: var(--color-white);
    border: var(--border-width) solid var(--color-border);
    color: var(--color-black);
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.language-btn:hover {
    border-color: var(--color-gray);
}

.language-flag {
    font-size: 1.1rem;
    line-height: 1;
}

.language-current {
    font-weight: 500;
    flex: 1;
}

.language-menu {
    position: absolute;
    top: 100%;
    left: auto;
    right: 0;
    min-width: 160px;
    background-color: var(--color-white);
    border: var(--border-width) solid var(--color-border);
    list-style: none;
    margin-top: 0.375rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.language-option {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem 0.625rem;
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all var(--transition-base);
}

.language-option:hover {
    background-color: var(--color-light-gray);
    color: var(--color-black);
}

.language-option.active {
    color: var(--color-black);
    background-color: var(--color-light-gray);
}

.language-text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
}

.language-code {
    font-weight: 500;
}

.language-name {
    font-size: 0.8rem;
    color: var(--color-gray);
}

/* Accessible text helper */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: var(--border-width) solid var(--color-border);
    background: var(--color-white);
    cursor: pointer;
    transition: border-color var(--transition-base), background-color var(--transition-base);
}

.menu-toggle:hover {
    border-color: var(--color-gray);
}

.menu-icon {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 18px;
}

.menu-bar {
    display: block;
    height: 2px;
    background-color: var(--color-black);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.sidebar.is-open .menu-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.sidebar.is-open .menu-bar:nth-child(2) {
    opacity: 0;
}

.sidebar.is-open .menu-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Sidebar body wrapper */
.sidebar-body {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    justify-content: center;
}

/* ========================================
   Site Footer
   ======================================== */
.site-footer {
    border-top: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    margin-left: 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.footer-link {
    color: var(--color-black);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-gray);
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    margin-left: 0;
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-xl);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-black);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* ========================================
   Masonry Grid
   ======================================== */
.masonry-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.masonry-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.masonry-row:nth-child(2) {
    grid-template-columns: 2fr 1fr;
}

.masonry-item {
    position: relative;
    overflow: hidden;
    background-color: var(--color-light-gray);
}

.masonry-vertical {
    aspect-ratio: 3 / 4;
}

.masonry-horizontal {
    aspect-ratio: 16 / 9;
}

.artwork-link {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: var(--color-black);
}

.artwork-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.artwork-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.artwork-link:hover .artwork-image img {
    transform: scale(1.05);
}

.artwork-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(31, 41, 55, 0.9), transparent);
    color: var(--color-white);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.artwork-link:hover .artwork-info {
    opacity: 1;
}

.artwork-title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.artwork-type {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-light-gray);
}

/* ========================================
   Biography Content
   ======================================== */
.biography-content {
    max-width: 800px;
}

.biography-content p {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-black);
    margin-bottom: var(--spacing-lg);
}

.biography-content p:last-child {
    margin-bottom: 0;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }

    .page-title {
        font-size: 2rem;
    }

    .masonry-row {
        gap: var(--spacing-md);
    }

    .masonry-grid {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .layout {
        flex-direction: column;
    }
    
    .language-menu {
        right: initial
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: var(--border-width) solid var(--color-border);
    }

    .sidebar-content {
        min-height: auto;
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .menu-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .sidebar-body {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

    .sidebar.is-open .sidebar-body {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 0px;
    }

    .nav-submenu {
        position: static;
        display: block;
        margin-top: 0.25rem;
        margin-left: var(--spacing-sm);
        padding-left: 0.625rem;
        border-left: var(--border-width) solid var(--color-border);
        border: none;
        box-shadow: none;
        background: transparent;
    }

    .nav-subitem {
        margin-bottom: 0.375rem;
    }

    .sidebar-footer {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
        border-top: var(--border-width) solid var(--color-border);
    }

    .site-footer {
        padding: var(--spacing-md) var(--spacing-lg);
        margin-left: 0;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .main-content {
        margin-left: 0;
        padding: var(--spacing-lg);
    }

    .page-title {
        font-size: 1.75rem;
    }

    .masonry-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .masonry-row:nth-child(2) {
        grid-template-columns: 1fr;
    }

    .masonry-vertical,
    .masonry-horizontal {
        aspect-ratio: 4 / 3;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 1.5rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .artwork-title {
        font-size: 1rem;
    }

    .artwork-type {
        font-size: 0.85rem;
    }
}