/* Okita Studio - Main CSS */

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

/* Root Variables - Color Scheme and Typography */
:root {
    /* Color Palette */
    --color-primary: #2c3e50;
    --color-secondary: #34495e;
    --color-accent: #e74c3c;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-background: #ffffff;
    --color-background-alt: #f8f9fa;
    --color-border: #ecf0f1;
    --color-border-dark: #bdc3c7;
    
    /* Typography */
    --font-primary: 'Georgia', 'Times New Roman', serif;
    --font-secondary: 'Helvetica Neue', 'Arial', sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-lg: 20px;
    --font-size-large: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    --font-size-xxxl: 48px;
    --line-height-base: 1.6;
    --line-height-tight: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    --border-radius: 4px;
    --border-radius-large: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Base HTML Elements */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 {
    font-size: var(--font-size-xxxl);
    font-weight: 300;
}

h2 {
    font-size: var(--font-size-xxl);
    font-weight: 400;
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: 500;
}

h4, h5, h6 {
    font-size: var(--font-size-large);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Layout Components */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* Header Styles */
.site-header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-light);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md) 0;
}

.site-title {
    margin-bottom: var(--spacing-xs);
}

.site-title a {
    color: var(--color-primary);
    font-size: var(--font-size-xxl);
    font-weight: 300;
    text-decoration: none;
}

.site-title a:hover,
.site-title a:focus {
    color: var(--color-accent);
    text-decoration: none;
}

.site-tagline {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    font-style: italic;
    margin-bottom: 0;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-lg) 0;
}

/* Page Headers */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-description {
    color: var(--color-text-light);
    font-size: var(--font-size-large);
    max-width: 600px;
    margin: 0 auto;
}

/* Section Styles */
.section-title {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.content-section {
    margin-bottom: var(--spacing-xxl);
}

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

/* Grid Layouts */
.content-grid {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.content-text-full {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.content-text p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
}

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

.content-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    background-color: var(--color-background-alt);
}

.content-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity var(--transition-medium);
    opacity: 0;
}

.content-image img.loaded {
    opacity: 1;
}

.content-image img[src*="default"] {
    opacity: 0.6;
    filter: grayscale(20%);
}

/* Image Loading States */
.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius-large);
}

.placeholder-content {
    text-align: center;
    color: var(--color-text-light);
}

.placeholder-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

.placeholder-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.image-error-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    opacity: 0.7;
}

.image-error-indicator svg {
    display: block;
    margin: 0 auto var(--spacing-xs);
    opacity: 0.5;
}

/* Image Animation */
.content-image img.fade-in {
    animation: fadeInImage 0.6s ease forwards;
    animation-delay: var(--animation-delay, 0s);
}

@keyframes fadeInImage {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Aspect Ratio Classes */
.content-image.aspect-16-10 {
    aspect-ratio: 16/10;
}

.content-image.aspect-4-3 {
    aspect-ratio: 4/3;
}

.content-image.aspect-16-9 {
    aspect-ratio: 16/9;
}

/* Focus Styles for Images */
.content-image img:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: var(--border-radius);
}

/* About Page Specific Styles */
.about-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.about-content .page-header {
    margin-bottom: var(--spacing-xxl);
}

.about-content .page-title {
    font-size: var(--font-size-xxxl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.about-content .page-description {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    font-style: italic;
    max-width: 700px;
    margin: 0 auto;
}

.about-content .section-title {
    font-size: var(--font-size-xxl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.about-content .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.about-content .content-text {
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.about-content .content-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.about-content .content-text p:first-of-type {
    font-size: var(--font-size-large);
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.6;
}

/* Mission Statement Special Styling */
.mission-text {
    font-size: var(--font-size-large) !important;
    font-weight: 500 !important;
    color: var(--color-primary) !important;
    line-height: 1.6 !important;
    margin-bottom: var(--spacing-lg) !important;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-background-alt) 0%, rgba(255, 255, 255, 0.8) 100%);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius);
    position: relative;
}

.mission-text::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-accent);
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: var(--font-primary);
    opacity: 0.3;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* Featured Section */
.featured-section {
    padding: var(--spacing-xl) 0;
}

.featured-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Featured Artwork Cards */
.featured-artwork-card {
    background: var(--color-background);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    cursor: pointer;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: var(--animation-delay, 0s);
    will-change: transform, box-shadow;
    contain: layout style paint;
}

.featured-artwork-card:hover,
.featured-artwork-card:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
    outline: none;
}

.featured-artwork-card:focus {
    box-shadow: var(--shadow-heavy), 0 0 0 2px var(--color-accent);
}

.featured-artwork-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-background-alt);
}

.featured-artwork-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity var(--transition-medium);
    opacity: 0;
    will-change: transform, opacity;
}

.featured-artwork-image img.loaded {
    opacity: 1;
}

.featured-artwork-image img[src*="data:image/svg"] {
    opacity: 0.3;
}

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

.featured-artwork-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.featured-artwork-card:hover .featured-artwork-overlay,
.featured-artwork-card:focus .featured-artwork-overlay {
    opacity: 1;
}

.view-artwork-btn {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
    transform: translateY(10px);
}

.featured-artwork-card:hover .view-artwork-btn,
.featured-artwork-card:focus .view-artwork-btn {
    transform: translateY(0);
}

.view-artwork-btn:hover,
.view-artwork-btn:focus {
    background: var(--color-primary);
    transform: scale(1.05);
}

.view-artwork-btn svg {
    width: 16px;
    height: 16px;
}

.featured-artwork-info {
    padding: var(--spacing-md);
}

.featured-artwork-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    line-height: var(--line-height-tight);
}

.featured-artwork-meta {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.artwork-separator {
    opacity: 0.5;
}

/* Loading States */
.featured-loading,
.featured-empty,
.featured-error {
    text-align: center;
    padding: var(--spacing-xxl);
    grid-column: 1 / -1;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

.loading-text,
.empty-message,
.error-message {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.retry-button {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-small);
    transition: background-color var(--transition-fast);
}

.retry-button:hover,
.retry-button:focus {
    background: var(--color-primary);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Buttons */
.cta-button,
.submit-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-light);
}

.cta-button:hover,
.cta-button:focus,
.submit-button:hover,
.submit-button:focus {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.cta-button:active,
.submit-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-light);
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xxl);
}

.footer-text {
    text-align: center;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.8);
}

/* Loading States */
.loading-indicator {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

.loading-indicator[aria-hidden="true"] {
    display: none;
}

/* Responsive Design - Mobile First */

/* Small tablets and large phones (576px and up) */
@media (min-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-artwork-card {
        animation-delay: calc(var(--animation-delay, 0s) + 0.1s);
    }
}

/* Tablets (768px and up) */
@media (min-width: 768px) {
    :root {
        --font-size-base: 18px;
        --container-padding: var(--spacing-lg);
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .content-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }
    
    .content-grid.reverse {
        direction: rtl;
    }
    
    .content-grid.reverse > * {
        direction: ltr;
    }
    
    .featured-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-title {
        text-align: left;
    }
    
    .about-content .section-title::after {
        left: 0;
    }
    
    .featured-artwork-title {
        font-size: var(--font-size-large);
    }
    
    .featured-artwork-info {
        padding: var(--spacing-lg);
    }
    
    /* About page tablet improvements */
    .about-content .content-text {
        padding-right: var(--spacing-md);
    }
    
    .content-grid.reverse .content-text {
        padding-right: 0;
        padding-left: var(--spacing-md);
    }
    
    .content-image {
        aspect-ratio: 4/3;
    }
    
    .content-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

/* Desktop (992px and up) */
@media (min-width: 992px) {
    .main-content {
        padding: var(--spacing-xxl) 0;
    }
    
    .hero-section {
        padding: 6rem 0;
    }
    
    .featured-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .featured-artwork-card:hover {
        transform: translateY(-8px);
    }
    
    .view-artwork-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

/* Large desktop (1200px and up) */
@media (min-width: 1200px) {
    :root {
        --container-padding: var(--spacing-xl);
    }
}

/* Mobile touch optimizations */
@media (max-width: 767px) {
    .featured-artwork-card {
        /* Always show overlay on mobile for better touch interaction */
        --mobile-overlay-opacity: 0.8;
    }
    
    .featured-artwork-overlay {
        background: rgba(0, 0, 0, var(--mobile-overlay-opacity, 0.7));
        opacity: 1;
    }
    
    .view-artwork-btn {
        transform: translateY(0);
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
        min-height: 44px; /* Minimum touch target size */
        min-width: 44px;
    }
    
    .featured-artwork-card:active {
        transform: scale(0.98);
    }
    
    /* About page mobile optimizations */
    .about-content .page-title {
        font-size: var(--font-size-xxl);
        line-height: 1.2;
    }
    
    .about-content .page-description {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-sm);
    }
    
    .about-content .section-title {
        font-size: var(--font-size-xl);
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
    
    .about-content .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .content-text {
        order: 2;
    }
    
    .content-image {
        order: 1;
        margin-bottom: var(--spacing-md);
        aspect-ratio: 16/10;
        max-height: 250px;
    }
    
    .content-grid.reverse .content-text {
        order: 2;
    }
    
    .content-grid.reverse .content-image {
        order: 1;
    }
    
    .content-text h2 {
        text-align: center;
    }
    
    .content-text p {
        text-align: left;
        font-size: var(--font-size-base);
        line-height: 1.6;
    }
    
    .mission-text {
        font-size: var(--font-size-base) !important;
        padding: var(--spacing-md) !important;
        margin: var(--spacing-md) 0 !important;
    }
    
    .mission-text::before {
        font-size: 3rem;
        top: -5px;
        left: 5px;
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 600px) {
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .main-content {
        padding: var(--spacing-md) 0;
    }
    
    .featured-section {
        padding: var(--spacing-lg) 0;
    }
    
    .featured-grid {
        gap: var(--spacing-md);
    }
    
    .featured-artwork-info {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* About page landscape optimizations */
    .about-content .page-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .about-content .page-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-sm);
    }
    
    .about-content .page-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-md);
    }
    
    .content-section {
        margin-bottom: var(--spacing-xl);
    }
    
    .content-image {
        aspect-ratio: 16/9;
        max-height: 200px;
    }
    
    .mission-text {
        padding: var(--spacing-sm) var(--spacing-md) !important;
        font-size: var(--font-size-small) !important;
    }
    
    .mission-text::before {
        font-size: 2.5rem;
    }
}

/* Mobile landscape specific adjustments */
@media (orientation: landscape) and (max-width: 767px) and (max-height: 500px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
        align-items: start;
    }
    
    .content-text {
        order: 1;
    }
    
    .content-image {
        order: 2;
        aspect-ratio: 4/3;
        max-height: 180px;
    }
    
    .content-grid.reverse .content-text {
        order: 2;
    }
    
    .content-grid.reverse .content-image {
        order: 1;
    }
    
    .about-content .section-title {
        font-size: var(--font-size-large);
        margin-bottom: var(--spacing-sm);
    }
    
    .content-text p {
        font-size: var(--font-size-small);
        margin-bottom: var(--spacing-sm);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-light: var(--color-text);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .featured-artwork-card {
        opacity: 1;
        transform: none;
        animation: none;
    }
    
    .featured-artwork-card:hover {
        transform: none;
    }
    
    .view-artwork-btn {
        transform: none;
    }
}