/* ============================================
   Sura Portfolio v2.0 - Vertical Scroll
   White Theme, Sidebar Layout, Noise Particles
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #ffffff;
    --color-bg-light: #fafafa;
    --color-bg-lighter: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-muted: #888888;
    --color-text-light: #444444;
    --color-accent: #b74546;
    --color-accent-hover: #c95455;
    --color-border: #e0e0e0;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --sidebar-width: 280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image:
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.015) 0%, transparent 50%),
        radial-gradient(circle at 25% 25%, rgba(0, 0, 0, 0.008) 0%, transparent 40%),
        radial-gradient(circle at 75% 75%, rgba(0, 0, 0, 0.008) 0%, transparent 40%);
    background-attachment: fixed;
    background-size: 100% 100%;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

button {
    cursor: pointer;
    font-family: inherit;
}

input, textarea, select {
    cursor: text;
}

/* Noise Particle Canvas */
.noise-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.08;
}

/* ============================================
   Sidebar Layout
   ============================================ */
.main-wrapper {
    min-height: 100vh;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1100;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 1.5rem 3rem;
    overflow: visible;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    overflow: visible;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.header-name {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -1px;
    line-height: 1.1;
}

.header-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header-contact {
    display: flex;
    gap: 0.5rem;
}

.header-contact .contact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.02);
    transition: all var(--transition-fast);
}

.header-contact .contact-link svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.header-contact .contact-link:hover {
    color: var(--color-text);
    background: rgba(183, 69, 70, 0.08);
    transform: translateY(-2px);
}

.header-contact .contact-link:hover svg {
    color: var(--color-accent);
}

.about-icon-btn {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* Filter Dropdown */
.filter-dropdown {
    position: relative;
    display: none;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-toggle:hover {
    background: rgba(183, 69, 70, 0.08);
    border-color: var(--color-accent);
}

.filter-current {
    color: var(--color-accent);
    font-weight: 600;
    white-space: nowrap;
}

.filter-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 200px;
    max-width: calc(100vw - 3rem);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1200;
}

.filter-dropdown.active .filter-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.filter-option {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.filter-option:hover,
.filter-option.active {
    background: rgba(183, 69, 70, 0.08);
    color: var(--color-accent);
}

/* Desktop Only Filter Buttons */
.category-filter.desktop-only {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.category-filter.desktop-only .filter-btn {
    padding: 0.6rem 1rem;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-filter.desktop-only .filter-btn:hover {
    background: rgba(183, 69, 70, 0.08);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.category-filter.desktop-only .filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* Mobile Header */
@media (max-width: 900px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .header-name {
        font-size: 1.25rem;
    }
    
    .header-title {
        font-size: 0.7rem;
    }
    
    .header-right {
        gap: 0.75rem;
    }
    
    .header-contact .contact-link {
        width: 36px;
        height: 36px;
    }
    
    .filter-dropdown {
        display: block;
    }
    
    .category-filter.desktop-only {
        display: none;
    }
}

@media (max-width: 600px) {
    .header-content {
        gap: 1rem;
    }
    
    .header-name {
        font-size: 1.1rem;
    }
    
    .header-title {
        font-size: 0.65rem;
    }
    
    .header-contact .contact-link {
        width: 32px;
        height: 32px;
    }
    
    .header-contact .contact-link svg {
        width: 16px;
        height: 16px;
    }
    
    .filter-toggle {
        padding: 0.6rem 1rem;
        font-size: 0.7rem;
    }

    .filter-menu {
        left: 0;
        right: auto;
        min-width: 180px;
    }
}

.sidebar-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Main Content */
.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 3rem;
}

/* About Modal */
.about-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.about-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.about-modal {
    position: relative;
    width: 95%;
    max-width: 2200px;
    max-height: 95vh;
    overflow-y: auto;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transform: scale(0.95);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.about-modal-overlay.active .about-modal {
    opacity: 1;
    transform: scale(1);
}

.about-card {
    display: flex;
    flex-direction: row;
    gap: 0;
    padding: 5rem 4rem;
    background: transparent;
}

.about-card-left {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-card-right {
    flex-shrink: 0;
    padding: 0 0 0 3rem;
    display: flex;
    align-items: center;
}

.about-photo {
    width: 500px;
    height: 500px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(183, 69, 70, 0.2);
    flex-shrink: 0;
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.about-modal h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
    color: var(--color-text);
    line-height: 1.1;
}

.about-subtitle {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.about-contact {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.about-contact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 10px;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.about-contact-link svg {
    flex-shrink: 0;
}

.about-contact-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.about-contact-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.about-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-muted);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.about-modal-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

/* Mobile About Card */
@media (max-width: 768px) {
    .about-card {
        display: flex;
        flex-wrap: wrap;
        min-height: auto;
        padding: 2rem 1.5rem;
        gap: 1rem;
        align-items: flex-start;
    }

    .about-card-left {
        display: contents;
    }

    .about-card-left h2 {
        flex: 1 1 calc(100% - 120px);
        font-size: 1.75rem;
        margin-bottom: 0;
        order: 1;
    }

    .about-card-left .about-subtitle {
        flex: 1 1 100%;
        margin-bottom: 1rem;
        padding-bottom: 0;
        border-bottom: none;
        font-size: 0.75rem;
        order: 3;
    }

    .about-card-right {
        flex: 0 0 100px;
        padding: 0;
        width: 100px;
        order: 2;
    }

    .about-photo {
        width: 100px;
        height: 100px;
        border-radius: 16px;
    }

    .about-description {
        flex: 1 1 100%;
        width: 100%;
        font-size: 1rem;
        margin-bottom: 0.75rem;
        order: 4;
    }

    .about-contact {
        flex: 1 1 100%;
        width: 100%;
        margin-top: 0.5rem;
        padding-top: 1.5rem;
        order: 5;
    }
}

.about-modal-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.about-modal h2 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -2px;
    margin-bottom: var(--spacing-md);
}

.about-modal p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.about-modal .lead {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.about-modal .stats {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
}

.about-modal .stat {
    text-align: center;
}

.about-modal .stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--color-accent);
}

.about-modal .stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Project Detail Modal
   ============================================ */
.project-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.project-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.project-modal {
    position: relative;
    width: 95%;
    max-width: 2200px;
    max-height: 95vh;
    overflow-y: auto;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transform: scale(0.95);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.project-modal-overlay.active .project-modal {
    opacity: 1;
    transform: scale(1);
}

.project-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-muted);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-modal-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.1);
}

.project-modal-content {
    display: flex;
    flex-direction: row;
    gap: 0;
}

.project-modal-video {
    position: relative;
    width: 65%;
    aspect-ratio: 16/9;
    background: #000;
    flex-shrink: 0;
}

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

.project-modal-info {
    padding: 3.5rem;
    width: 35%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
}

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

.project-modal-info {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
    line-height: 1.2;
}

.project-meta {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-client,
.project-director,
.project-sound-design,
.project-contribution {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0 0 0.5rem 0;
    line-height: 1.5;
}

.meta-label {
    color: var(--color-accent);
    margin-right: 0.75rem;
    font-weight: 600;
}

.project-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* Mobile Project Modal */
@media (max-width: 768px) {
    .project-modal {
        width: 95%;
        max-width: none;
        max-height: 90vh;
        border-radius: 16px;
    }
    
    .project-modal-content {
        flex-direction: column;
    }
    
    .project-modal-video {
        width: 100%;
        aspect-ratio: 16/9;
    }
    
    .project-modal-info {
        width: 100%;
        padding: var(--spacing-md);
    }
    
    .project-title {
        font-size: 1.5rem;
    }
    
    .project-meta {
        padding: 1rem;
    }
    
    .project-description {
        font-size: 0.95rem;
    }
}

/* ============================================
   Work Section - Vertical Grid
   ============================================ */
.work {
    padding: 3rem var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg);
}

/* Category Filter */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.category-filter.scrolled {
    background: transparent;
    backdrop-filter: none;
    border-bottom-color: transparent;
    z-index: 100;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text);
}

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

/* Vertical Grid */
.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.work-item {
    position: relative;
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
    transition: all var(--transition-medium);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.work-item.hidden {
    display: none;
    opacity: 0;
    transform: scale(0.95);
}

.work-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.work-image {
    aspect-ratio: 16/9;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-light);
    margin-bottom: 0;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium), filter var(--transition-medium);
}

.work-item:hover .work-image img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.work-item:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 60px;
    height: 60px;
    background: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-medium);
}

.work-item:hover .play-button {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.1);
}

.play-button svg polygon {
    margin-left: 4px;
}

.play-overlay.multiple-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
}

.play-overlay.multiple-links .play-button {
    width: 40px;
    height: 40px;
}

.play-overlay.multiple-links .work-category {
    width: 100%;
    text-align: center;
}

.work-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-bg);
}

.work-info {
    text-align: center;
    padding: 1.25rem 1rem;
    background: #fff;
}

.work-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

.work-info p {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* ============================================
   Video Modal
   ============================================ */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-content {
    width: 90%;
    max-width: 1200px;
    position: relative;
}

.video-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-bg);
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 0.5rem;
}

.video-modal-close:hover {
    transform: rotate(90deg);
}

.video-modal-video {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-modal-video iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Error Fallback */
.video-error-fallback {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.error-content {
    text-align: center;
    padding: 2rem;
}

.error-message {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.error-retry-btn,
.error-direct-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-bg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.error-retry-btn:hover,
.error-direct-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* ============================================
   Reveal Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 {
    transition-delay: 0.15s;
}

.reveal-delay-2 {
    transition-delay: 0.3s;
}

.reveal-delay-3 {
    transition-delay: 0.45s;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .header {
        padding: 1.25rem 2rem;
    }
    
    .header-name {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 0 2rem;
    }
    
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
    }
    
    .header {
        padding: 1rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-left {
        gap: 0.25rem;
    }
    
    .header-name {
        font-size: 1.5rem;
    }
    
    .header-title {
        font-size: 0.75rem;
    }
    
    .header-contact {
        width: 100%;
        justify-content: flex-start;
    }
    
    .main-content {
        padding: 0 1.5rem;
    }
    
    .work {
        padding: 2rem var(--spacing-md) var(--spacing-lg);
    }
    
    .about-modal {
        width: 95%;
        max-height: 90vh;
        padding: var(--spacing-md);
    }
    
    .work {
        padding: 60px var(--spacing-md) var(--spacing-lg);
    }
    
    .category-filter {
        padding: var(--spacing-sm);
        gap: 0.5rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .work-info h3 {
        font-size: 1.125rem;
    }
    
    .about-modal .stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .play-overlay {
        opacity: 1;
    }
}