/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
    /* Colors - Warm Theater Palette */
    --color-background: #1a1a1a;
    --color-background-secondary: #2a2a2a;
    --color-text: #f5f0e6;
    --color-text-muted: #d4cfc4;
    --color-accent: #c9a227;
    --color-accent-secondary: #8b3a3a;
    --color-card: #3a3a3a;
    --color-border: #4a4a4a;
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    background-color: var(--color-card);
}

/* Handle broken/missing images with placeholder styling */
img {
    min-height: 200px;
    object-fit: cover;
}

/* Add fallback background for images */
.instrument-image,
.composition-image,
.experiment-image,
.production-image,
.creative-image,
.gallery-image,
.about-photo {
    min-height: 200px;
    object-fit: cover;
}

.about-photo {
    min-height: 400px;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image loading error state */
img.error {
    opacity: 0.6;
    background-color: var(--color-card);
    background-image: repeating-linear-gradient(
        45deg,
        var(--color-card),
        var(--color-card) 10px,
        var(--color-background-secondary) 10px,
        var(--color-background-secondary) 20px
    );
}

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

a:hover {
    color: var(--color-accent-secondary);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

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

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
}

.hamburger {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-normal);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
   background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-secondary) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/hero/stage.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.spotlight {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 162, 39, 0.15) 0%, transparent 70%);
    animation: spotlight 8s ease-in-out infinite;
}

@keyframes spotlight {
    0%, 100% {
        opacity: 0.5;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-md);
    max-width: 800px;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-background);
}

.btn-primary:hover {
    background-color: var(--color-accent-secondary);
    color: var(--color-text);
    transform: translateY(-2px);
}

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

/* ========================================
   About Section
   ======================================== */
.about {
    background-color: var(--color-background-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-photo {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-height: 400px;
    object-fit: cover;
}

.about-content {
    padding: var(--spacing-md);
}

.about-text {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

/* ========================================
   Music Section
   ======================================== */
.music {
    background-color: var(--color-background);
}

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

.subsection-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    font-size: 1.75rem;
}

.instruments-grid,
.compositions-grid,
.experiments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.instrument-card,
.composition-card,
.experiment-card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.instrument-card:hover,
.composition-card:hover,
.experiment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.instrument-image,
.composition-image,
.experiment-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.instrument-name,
.composition-title,
.experiment-title {
    padding: var(--spacing-md);
    margin-bottom: 0;
    color: var(--color-accent);
}

.instrument-description,
.composition-description,
.experiment-description {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.audio-player {
    width: 100%;
    margin: var(--spacing-md);
}

.experiment-date {
    display: block;
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-accent-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

/* ========================================
   Theater Section
   ======================================== */
.theater {
    background-color: var(--color-background-secondary);
}

.productions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.production-card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.production-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.production-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.production-content {
    padding: var(--spacing-md);
}

.production-name {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.production-year,
.production-theater,
.production-role {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.production-description {
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* ========================================
   Creative Projects Section
   ======================================== */
.creative {
    background-color: var(--color-background);
}

.creative-intro {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    font-size: 1.1rem;
}

.creative-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.creative-card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.creative-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.creative-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.creative-title {
    padding: var(--spacing-md);
    margin-bottom: 0;
    color: var(--color-accent);
}

.creative-description {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    background-color: var(--color-background-secondary);
}

.gallery-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-card);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-accent);
    color: var(--color-background);
    border-color: var(--color-accent);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item.hidden {
    display: none;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
}

.lightbox-next {
    right: var(--spacing-md);
}

/* ========================================
   What's Next Section
   ======================================== */
.whats-next {
    background-color: var(--color-background);
}

.whats-next-intro {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    font-size: 1.1rem;
}

.whats-next-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.whats-next-card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.whats-next-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.whats-next-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.whats-next-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background-color: var(--color-background-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

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

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

.form-label {
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-card);
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.social-link {
    display: inline-block;
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-background);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

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

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-background);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-accent-secondary);
    transform: translateY(-4px);
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal:not(.active) {
    opacity: 0;
    transform: translateY(30px);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .spotlight {
        animation: none;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   Responsive Design - Tablet
   ======================================== */
@media (max-width: 768px) {
    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: var(--color-background);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: left var(--transition-normal);
        gap: var(--spacing-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .hamburger:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .hamburger:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* ========================================
   Responsive Design - Mobile
   ======================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .instruments-grid,
    .compositions-grid,
    .experiments-grid,
    .productions-grid,
    .creative-grid,
    .whats-next-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-filter {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* ========================================
   Focus States for Accessibility
   ======================================== */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: none;
}