/* ==========================================================================
   Alice Li Portfolio - Styles
   ========================================================================== */

:root {
    /* Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: rgba(255, 255, 255, 0.9);
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #8a8a8a;
    --accent-green: #10b981;
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    --border: rgba(0, 0, 0, 0.1);
    --hover: rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 4rem 3rem;
    --card-padding: 2rem;
    --border-radius: 8px;
    --border-radius-large: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Georgia, serif;
    font-size: 1.125rem;
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        #f8f9fa 25%, 
        #f0f4f8 50%, 
        #f8f9fa 75%, 
        #ffffff 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
}

.accent-green { color: var(--accent-green); }
.accent-pink { color: var(--accent-pink); }
.accent-blue { color: var(--accent-blue); }

/* Navigation */
nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 2rem 3rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--accent-green);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-icon-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    background: var(--bg-card);
}

.logo-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.nav-icon {
    flex-shrink: 0;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    opacity: 1;
}

.nav-link:hover, 
.nav-link.active {
    background: var(--hover);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--text-secondary);
    transform: translateY(-1px);
}

.btn-secondary {
    border: 1px solid var(--border);
    color: var(--text-primary);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--hover);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 550px;
    gap: 4rem;
    padding: var(--section-padding);
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
    min-height: 80vh;
}

.hero-content {
    padding-top: 2rem;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.hero-title {
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 500px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.typewriter-container {
    margin-top: 0;
    margin-bottom: 0;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.currently-working-bubble {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s ease-out 0.7s forwards;
    cursor: pointer;
    user-select: none;
    transition: opacity 0.2s ease;
}

.currently-working-bubble:hover {
    opacity: 0.8;
}

.currently-working-bubble .bubble-label {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    flex-shrink: 0;
    line-height: 1.42;
    display: inline-block;
    vertical-align: baseline;
}

.currently-working-bubble .bubble-text-wrapper {
    position: relative;
    height: 1.42em;
    overflow: hidden;
    display: inline-block;
    min-width: 200px;
    max-width: 300px;
    line-height: 1.42;
    vertical-align: baseline;
}

.currently-working-bubble .bubble-text {
    color: var(--text-primary);
    font-weight: 500;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    transform: translateY(0);
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    line-height: 1.42;
    font-size: 0.95rem;
    white-space: nowrap;
}

.currently-working-bubble .bubble-text.slot-exit {
    transform: translateY(-100%);
}

.currently-working-bubble .bubble-text.slot-enter {
    transform: translateY(100%);
}

.currently-working-bubble .bubble-text.slot-active {
    transform: translateY(0);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero-meta {
    display: flex;
    gap: 2rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-muted);
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
    align-items: center;
}

.hero-meta svg {
    opacity: 0.6;
}

.icon-inline {
    display: inline-block;
    vertical-align: middle;
    margin-right: 4px;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 0.25rem;
}

/* Photo Grid */
.photo-grid-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.photo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 250px 120px 220px;
    gap: 0.75rem;
    height: 610px;
    opacity: 0;
    animation: fadeInUp 1s ease 1.2s forwards;
}

.photo-grid-caption {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    opacity: 0;
    animation: fadeInUp 1s ease 1.4s forwards;
    line-height: 1.5;
}

.photo-item {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition-fast);
}

.photo-item:hover {
    transform: scale(1.02);
}

.photo-item:nth-child(1) { grid-row: span 2; }
.photo-item:nth-child(4) { grid-column: span 2; }

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
    padding: 1.5rem 1rem 1rem;
    color: white;
}

.photo-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.photo-meta {
    font-size: 0.75rem;
    opacity: 0.8;
    font-family: var(--font-mono);
}

.featured-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--accent-green);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Work Experience */
.work-experience {
    padding: var(--section-padding);
    max-width: 1200px;
    margin: 0 auto;
}

.work-experience-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

.work-item {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-large);
    padding: var(--card-padding);
    transition: var(--transition-fast);
    position: relative;
}

.work-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(26, 26, 26, 0.8);
    transform: translateY(-2px);
}

.work-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 1rem;
}

.work-item-main {
    flex: 1;
}

.work-role {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.work-company {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-green);
    margin-bottom: 0.25rem;
}

.work-department {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.25rem;
}

.work-item-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    text-align: right;
    flex-shrink: 0;
}

.work-date {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.work-type {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

.work-location {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.work-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 1rem;
}

.work-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* Sections */
.portfolio-section {
    padding: var(--section-padding);
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3rem;
}

.section-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

/* Photography Section */
.photography-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.photo-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition-fast);
    display: block;
}

.photo-card-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.photo-card-link:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.photo-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.photo-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.photo-card-content {
    padding: 1.5rem;
}

.photo-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.photo-card-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.photo-card-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Writing Section */
.writing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.writing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-large);
    padding: var(--card-padding);
    transition: var(--transition-fast);
    display: block;
}

.writing-card-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.writing-card-link:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.writing-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.writing-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.writing-date {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.writing-category {
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 4px;
    color: var(--accent-green);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.writing-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.writing-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.writing-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.writing-link:hover {
    color: var(--accent-pink);
    gap: 0.75rem;
}

/* Reading Section */
.reading-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-large);
    padding: var(--card-padding);
}

.reading-widget-embed {
    width: 100%;
    min-height: 600px;
}

.reading-widget-embed iframe {
    width: 100%;
    min-height: 600px;
    border: none;
    border-radius: var(--border-radius);
}

.reading-widget-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-style: italic;
}

.books-carousel-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Books Carousel */
.books-carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.books-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding: 1rem 0;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-green) var(--bg-secondary);
    -webkit-overflow-scrolling: touch;
}

.books-carousel::-webkit-scrollbar {
    height: 8px;
}

.books-carousel::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.books-carousel::-webkit-scrollbar-thumb {
    background: var(--accent-green);
    border-radius: 4px;
}

.books-carousel::-webkit-scrollbar-thumb:hover {
    background: var(--accent-pink);
}

.book-item-carousel {
    flex: 0 0 160px;
    min-width: 160px;
}

.book-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    margin: -0.5rem;
}

.book-link:hover {
    background: var(--hover);
    transform: translateY(-4px);
}

.book-cover-carousel {
    width: 100%;
    aspect-ratio: 2 / 3;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-secondary);
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition-fast);
}

.book-link:hover .book-cover-carousel {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: scale(1.02);
}

.book-cover-carousel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.book-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-muted);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-pink));
    color: white;
    font-family: var(--font-primary);
}

.book-info-carousel {
    text-align: left;
}

.book-title-carousel {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.book-author-carousel {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    .book-item-carousel {
        flex: 0 0 140px;
        min-width: 140px;
    }
    
    .books-carousel {
        gap: 1rem;
    }
    
    .book-title-carousel {
        font-size: 0.9rem;
    }
    
    .book-author-carousel {
        font-size: 0.8rem;
    }
}

.reading-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.currently-reading {
    margin-bottom: 3rem;
}

.currently-reading-title,
.recent-reads-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.book-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.book-item {
    display: flex;
    gap: 1rem;
}

.book-cover {
    width: 60px;
    height: 90px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info {
    flex: 1;
}

.book-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.book-author {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.book-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-green);
    transition: width 0.3s ease;
    width: var(--progress-width, 0%);
}

.progress-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 40px;
}

.recent-reads-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recent-reads-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.book-title-small {
    color: var(--text-primary);
    font-weight: 500;
}

.book-rating {
    color: var(--accent-green);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    text-align: center;
}

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

.contact-description {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.contact-pink {
    color: var(--accent-pink);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-fast);
    font-weight: 500;
}

.contact-link-icon {
    padding: 0;
    border: none;
    justify-content: center;
    align-items: center;
    width: auto;
    height: auto;
}

.contact-link-icon svg {
    width: 24px;
    height: 24px;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.contact-link-icon:hover svg {
    opacity: 1;
    transform: scale(1.1);
}

.contact-link svg {
    flex-shrink: 0;
    opacity: 0.8;
    width: 20px;
    height: 20px;
}

.contact-link:hover {
    background: var(--hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.contact-link-icon:hover {
    background: transparent;
    border: none;
    transform: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation utility classes */
.fade-in {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1.5rem;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 0.25rem;
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1.5rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        max-width: none;
    }
    
    .photo-grid {
        height: 400px;
        grid-template-rows: 180px 80px 130px;
    }
    
    .portfolio-section,
    .work-experience {
        padding: 2rem 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .work-item-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .work-item-meta {
        align-items: flex-start;
        text-align: left;
    }
    
    .photography-grid,
    .writing-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .reading-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-links {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        justify-content: center;
    }
    
    .photo-grid {
        grid-template-columns: 1fr;
        grid-template-rows: 200px 150px 180px 120px;
        height: auto;
    }
    
    .photo-item:nth-child(1) { 
        grid-row: span 1; 
    }
    
    .photo-item:nth-child(4) { 
        grid-column: span 1; 
    }
}

/* Tooltip / Hover Pop-up */
.tooltip-trigger {
    position: relative;
    display: inline;
    cursor: help;
    border-bottom: 1px dashed var(--text-muted);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease;
}

.tooltip-trigger:hover {
    border-bottom-color: var(--text-primary);
}

.tooltip-trigger .tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    font-family: var(--font-primary);
    font-weight: 400;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 8px;
}

.tooltip-trigger .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text-primary);
}

.tooltip-trigger:hover .tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Tooltip variants */
.tooltip-trigger .tooltip.tooltip-left {
    left: 0;
    transform: translateX(0) translateY(-8px);
}

.tooltip-trigger:hover .tooltip.tooltip-left {
    transform: translateX(0) translateY(0);
}

.tooltip-trigger .tooltip.tooltip-left::after {
    left: 1.5rem;
}

.tooltip-trigger .tooltip.tooltip-right {
    left: auto;
    right: 0;
    transform: translateX(0) translateY(-8px);
}

.tooltip-trigger:hover .tooltip.tooltip-right {
    transform: translateX(0) translateY(0);
}

.tooltip-trigger .tooltip.tooltip-right::after {
    left: auto;
    right: 1.5rem;
}

.tooltip-trigger .tooltip.tooltip-bottom {
    bottom: auto;
    top: 100%;
    transform: translateX(-50%) translateY(8px);
    margin-bottom: 0;
    margin-top: 8px;
}

.tooltip-trigger:hover .tooltip.tooltip-bottom {
    transform: translateX(-50%) translateY(0);
}

.tooltip-trigger .tooltip.tooltip-bottom::after {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-pink);
}

/* Typewriter Effect */
.typewriter-container {
    min-height: 120px;
    display: flex;
    align-items: center;
}

.typewriter-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 500px;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    max-width: 600px;
    line-height: 1.6;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent-green);
    margin-left: 2px;
    animation: blink 1s infinite;
    vertical-align: baseline;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}