/* ========== Photo Blog Theme for Hexo ========== */

/* ========== CSS Variables ========== */
:root {
    /* Color Palette - Photography Studio inspired */
    --color-primary: #3B82F6;
    --color-primary-light: #60A5FA;
    --color-secondary: #F97316;
    --color-bg: #FAFAFA;
    --color-bg-dark: #09090B;
    --color-text: #09090B;
    --color-text-muted: #52525B;
    --color-border: #E4E4E7;
    --color-white: #FFFFFF;
    --color-black: #000000;

    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

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

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

.lead {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.6;
    color: var(--color-text-muted);
}

.subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* ========== Layout ========== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-2xl) 0;
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    cursor: pointer;
    padding: 8px 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
    border-radius: 4px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: rgba(0, 0, 0, 0.03);
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    transition: background var(--transition-fast);
}

.menu-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.menu-toggle:active {
    background: rgba(0, 0, 0, 0.1);
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
    border-radius: 1px;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    line-height: 1.3;
}

.hero .lead {
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-image {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 55%;
    height: 70%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    animation: fadeInRight 1.2s ease;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translate(50px, -50%);
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    min-height: 44px;
    min-width: 44px;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--color-text);
    background: var(--color-white);
}

/* ========== Section Header ========== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header .subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* ========== Portfolio Grid ========== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 4 / 3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin: 0;
}

/* ========== Articles Grid ========== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.article-card a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.article-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

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

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-category {
    color: var(--color-primary);
    font-weight: 600;
}

.article-date {
    color: var(--color-text-muted);
}

.article-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-title a {
    color: var(--color-text);
}

.article-title a:hover {
    color: var(--color-primary);
}

.article-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.btn-link {
    color: var(--color-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    padding: 8px 0;
    min-height: 44px;
    text-decoration: none;
}

/* ========== Categories ========== */
.category-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    background: transparent;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
    min-width: 44px;
}

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

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    z-index: -1;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.contact h2,
.contact p {
    color: var(--color-white);
}

.contact p {
    opacity: 0.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.contact-icon svg {
    color: var(--color-white);
}

.contact-info-item h4 {
    color: var(--color-white);
    margin-bottom: 0.25rem;
    font-size: 1rem;
    font-family: var(--font-body);
}

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

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
}

.form-input,
.form-textarea {
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
}

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

/* ========== Footer ========== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.footer h4 {
    font-size: 0.875rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0.25rem 0;
}

/* ========== Page Styles ========== */
.page,
.archive-page,
.category-page,
.tag-page,
.categories-index-page,
.tags-index-page,
.about-full-page,
.contact-full-page {
    padding-top: 120px;
    padding-bottom: var(--spacing-2xl);
    min-height: 60vh;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ========== Post Full ========== */
.post-full {
    padding-top: 120px;
    padding-bottom: var(--spacing-2xl);
}

.post-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.post-category {
    color: var(--color-primary);
    font-weight: 600;
}

.post-date {
    color: var(--color-text-muted);
}

.post-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.post-tags {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    padding: 6px 8px;
    min-height: 36px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.tag:hover {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.05);
}

.post-thumbnail {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
}

.post-thumbnail img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

.post-content h2,
.post-content h3,
.post-content h4 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.post-content p {
    margin-bottom: var(--spacing-md);
}

.post-content img {
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.post-content code {
    background: var(--color-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.875em;
}

.post-content pre {
    background: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.post-content ul,
.post-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
}

.post-comments {
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
}

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.post-nav-prev,
.post-nav-next {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.post-nav-prev {
    text-align: left;
}

.post-nav-next {
    text-align: right;
}

.post-nav-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.post-nav-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ========== Categories Index ========== */
.categories-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.category-item {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.category-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.category-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    min-height: 72px;
    transition: all var(--transition-base);
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border-radius: 8px;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.category-icon svg {
    width: 24px;
    height: 24px;
}

.category-item:hover .category-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.category-info {
    flex: 1;
}

.category-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.category-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.category-arrow {
    color: var(--color-text-muted);
    transition: all var(--transition-base);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.category-item:hover .category-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

.category-latest {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    font-size: 0.875rem;
}

.latest-label {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.latest-title {
    flex: 1;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-height: 36px;
    display: flex;
    align-items: center;
}

.latest-title:hover {
    color: var(--color-primary);
}

.latest-date {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* ========== Tags Index ========== */
.tags-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tag-item {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.tag-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.tag-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    min-height: 72px;
    transition: all var(--transition-base);
}

.tag-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border-radius: 8px;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.tag-icon svg {
    width: 24px;
    height: 24px;
}

.tag-item:hover .tag-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.tag-info {
    flex: 1;
}

.tag-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.tag-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.tag-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.tag-arrow {
    color: var(--color-text-muted);
    transition: all var(--transition-base);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.tag-item:hover .tag-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

.tag-latest {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    font-size: 0.875rem;
}

.latest-label {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.latest-title {
    flex: 1;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-height: 36px;
    display: flex;
    align-items: center;
}

.latest-title:hover {
    color: var(--color-primary);
}

.latest-date {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    max-width: 500px;
    margin: 0 auto;
}

.empty-state svg {
    color: var(--color-text-muted);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.empty-state p {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ========== About Full Page ========== */
.about-full-page {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.about-content {
    order: 2;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.about-image-wrapper {
    order: 1;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    width: 100%;
    height: auto;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    z-index: -1;
}

.about-extra {
    max-width: 800px;
    margin: 0 auto;
}

/* ========== Contact Full Page ========== */
.contact-full-page {
    background: var(--color-bg-dark);
    color: var(--color-white);
}

.contact-full-page .page-header h1,
.contact-full-page .page-header p,
.contact-full-page .subtitle {
    color: var(--color-white);
}

.contact-full-page .page-header p {
    opacity: 0.9;
}

.contact-full-page .subtitle {
    opacity: 0.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-info-item h4 {
    color: var(--color-white);
    margin-bottom: 0.25rem;
    font-size: 1rem;
    font-family: var(--font-body);
}

.contact-info-item p {
    opacity: 0.9;
}

.contact-info-item a {
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.contact-info-item a:hover {
    color: var(--color-primary-light);
}

.contact-message {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--color-primary);
}

.contact-message p {
    color: var(--color-white);
    opacity: 0.9;
    margin: 0;
}

.contact-extra {
    max-width: 800px;
    margin: 0 auto;
}

.contact-extra .page-content {
    color: var(--color-white);
}

.contact-extra .page-content p,
.contact-extra .page-content h1,
.contact-extra .page-content h2,
.contact-extra .page-content h3 {
    color: var(--color-white);
}

.contact-extra .page-content a {
    color: var(--color-primary-light);
}

/* ========== Archive ========== */
.archive-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.archive-year {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.archive-year:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.archive-year-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    min-height: 72px;
    transition: all var(--transition-base);
    cursor: default;
}

.archive-year-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(249, 115, 22, 0.1);
    color: var(--color-secondary);
    border-radius: 8px;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.archive-year-icon svg {
    width: 24px;
    height: 24px;
}

.archive-year:hover .archive-year-icon {
    background: var(--color-secondary);
    color: var(--color-white);
}

.archive-year-info {
    flex: 1;
}

.archive-year-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.archive-year-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.archive-year-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.archive-year-posts {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-border);
}

.archive-post-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

.archive-post-item:last-child {
    border-bottom: none;
}

.archive-post-item:hover {
    background: rgba(59, 130, 246, 0.05);
}

.archive-post-date {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    min-width: 80px;
    font-weight: 500;
}

.archive-post-title {
    flex: 1;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.archive-post-title:hover {
    color: var(--color-primary);
}

.archive-post-category {
    color: var(--color-primary);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 20px;
    font-weight: 500;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.pagination-prev,
.pagination-next {
    padding: 0.75rem 1.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: all var(--transition-base);
}

.pagination-prev:hover,
.pagination-next:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-prev.disabled,
.pagination-next.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ========== Related Posts ========== */
.related-posts {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
}

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

/* ========== Comments ========== */
.comments {
    max-width: 800px;
    margin: var(--spacing-2xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

/* ========== Utility Classes ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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

/* Image fallback styling */
img.image-fallback {
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

img.image-fallback:hover {
    opacity: 1;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-image {
        width: 45%;
        right: -5%;
    }

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

    .about-content {
        order: 2;
    }

    .about-image-wrapper {
        order: 1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .hero {
        padding-top: 100px;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-image {
        position: relative;
        width: 100%;
        height: 300px;
        right: 0;
        top: 0;
        transform: none;
        margin-top: var(--spacing-xl);
        animation: fadeInUp 1s ease;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }
}

/* ========== Print Styles ========== */
@media print {
    .navbar,
    .btn,
    .contact-form,
    .footer {
        display: none;
    }

    body {
        background: white;
    }

    .post-content {
        color: black;
    }
}