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

:root {
    /* Old book inspired theme - beige and dark grey */
    --parchment-dark: #2a2520;
    --parchment-surface: #3a342e;
    --parchment-elevated: #4a3f35;
    --parchment-hover: #544840;
    
    --old-paper: #d4c5a9;
    --aged-paper: #e8dcc4;
    
    --bronze: #b8860b;
    --gold: #d4af37;
    --gold-light: #eac67a;
    --amber: #d2a03a;
    
    --text-primary: #e8dcc4;
    --text-secondary: #c4b39a;
    --text-muted: #9a8a73;
    
    --border-dark: #463d33;
    --border-accent: #5a4e3f;
    
    --shadow-sm: rgba(20, 15, 10, 0.3);
    --shadow-md: rgba(20, 15, 10, 0.5);
    --shadow-lg: rgba(20, 15, 10, 0.7);
    --glow-gold: rgba(212, 175, 55, 0.25);
    --glow-bronze: rgba(184, 134, 11, 0.2);
    
    --gradient-gold: linear-gradient(135deg, var(--bronze) 0%, var(--gold) 50%, var(--gold-light) 100%);
    --gradient-parchment: linear-gradient(135deg, var(--parchment-surface) 0%, var(--parchment-elevated) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--parchment-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header & Navigation */
header {
    background: rgba(58, 52, 46, 0.95);
    border-bottom: 1px solid var(--border-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px var(--shadow-md);
    backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gold);
    box-shadow: 0 0 20px var(--glow-gold), 0 4px 12px var(--shadow-md);
    transition: all 0.3s ease;
}

.logo-container:hover .logo-img {
    box-shadow: 0 0 30px var(--glow-gold), 0 6px 20px var(--shadow-lg);
    border-color: var(--gold-light);
}

.logo {
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

.logo-container:hover .logo {
    filter: brightness(1.2);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width 0.3s ease;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--glow-gold);
}

.nav-link:hover {
    color: var(--gold-light);
}

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

/* Main Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 3rem;
}

.section {
    min-height: 60vh;
    padding: 5rem 0;
    animation: fadeIn 0.6s ease-in;
}

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

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 3rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 0 20px var(--glow-gold));
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-gold);
    border-radius: 2px;
    box-shadow: 0 0 15px var(--glow-gold);
}

.hidden {
    display: none !important;
}

/* About Section */
#about {
    background: var(--parchment-dark);
}

.about-content {
    max-width: 850px;
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-secondary);
    background: var(--parchment-surface);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow-lg), 0 0 60px var(--glow-bronze);
    border: 1px solid var(--border-accent);
}

.about-content p {
    margin-bottom: 1.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.about-intro {
    margin-bottom: 3rem;
}

.about-intro p {
    margin-bottom: 1.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.about-intro p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 4px;
    height: 1.2rem;
    background: var(--gradient-gold);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--glow-gold);
}

.about-intro strong {
    color: var(--gold);
    font-weight: 700;
}

.social-links {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 2px solid var(--border-accent);
}

.social-links h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--parchment-elevated);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--bronze);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--parchment-hover);
    border-color: var(--gold);
    color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow-md), 0 0 30px var(--glow-bronze);
}

.social-link:hover svg {
    color: var(--gold);
    transform: scale(1.1);
}

/* Blog Section */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.post-card {
    background: var(--parchment-surface);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    box-shadow: 0 0 15px var(--glow-gold);
}

.post-card:hover::before {
    transform: scaleX(1);
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px var(--shadow-lg), 0 0 40px var(--glow-bronze);
    border-color: var(--bronze);
    background: var(--parchment-elevated);
}

.post-card h3 {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 0.875rem;
    color: var(--gold);
    line-height: 1.4;
    transition: all 0.3s ease;
}

.post-card:hover h3 {
    color: var(--gold-light);
    text-shadow: 0 0 20px var(--glow-gold);
}

.post-card .post-date {
    font-size: 0.9rem;
    color: var(--bronze);
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-card .post-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.post-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--gold);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.post-card:hover .read-more {
    gap: 0.75rem;
    color: var(--gold-light);
}

.post-card .read-more::after {
    content: '→';
    font-size: 1.25rem;
}

/* Single Post View */
.post-article {
    max-width: 850px;
    margin: 3rem auto;
    background: var(--parchment-surface);
    padding: 3.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow-lg), 0 0 60px var(--glow-bronze);
    border: 1px solid var(--border-accent);
}

.post-article h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    letter-spacing: -1px;
    filter: drop-shadow(0 0 20px var(--glow-gold));
    padding-bottom: 0.5rem;
}

.post-article h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    color: var(--gold);
    position: relative;
    padding-left: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-accent);
}

.post-article h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 5px;
    height: 2rem;
    background: var(--gradient-gold);
    border-radius: 3px;
    box-shadow: 0 0 10px var(--glow-gold);
}

.post-article h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--bronze);
}

.post-article p {
    margin-bottom: 1.5rem;
    line-height: 1.9;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.post-article code {
    background: var(--parchment-elevated);
    color: var(--amber);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid var(--border-accent);
}

.post-article pre {
    background: var(--parchment-elevated);
    color: var(--old-paper);
    padding: 2rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 2rem 0;
    box-shadow: 0 8px 24px var(--shadow-lg);
    border: 1px solid var(--border-accent);
}

.post-article pre code {
    background: none;
    color: var(--old-paper);
    padding: 0;
    border: none;
}

.post-article ul, .post-article ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.post-article li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.post-article a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid var(--bronze);
    transition: all 0.3s ease;
}

.post-article a:hover {
    color: var(--gold-light);
    border-bottom-color: var(--gold);
    text-shadow: 0 0 10px var(--glow-gold);
}

.post-article blockquote {
    border-left: 5px solid var(--gold);
    background: var(--parchment-elevated);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    color: var(--text-primary);
    font-style: italic;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 0 20px var(--glow-bronze);
}

.post-article img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: 0 8px 24px var(--shadow-lg);
    border: 1px solid var(--border-accent);
}

.post-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--parchment-elevated);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px var(--shadow-md);
    border: 1px solid var(--border-accent);
}

.post-article th {
    background: var(--gradient-gold);
    color: var(--parchment-dark);
    padding: 1rem;
    text-align: left;
    font-weight: 700;
}

.post-article td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-dark);
    color: var(--text-secondary);
}

.post-article tr:last-child td {
    border-bottom: none;
}

.post-article tr:hover {
    background: var(--parchment-hover);
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--parchment-dark);
    margin-bottom: 2rem;
    box-shadow: 0 4px 16px var(--shadow-md), 0 0 30px var(--glow-gold);
    font-weight: 700;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-lg), 0 0 40px var(--glow-gold);
    filter: brightness(1.1);
}

/* Footer */
footer {
    background: var(--parchment-surface);
    border-top: 2px solid var(--border-accent);
    color: var(--text-secondary);
    padding: 3rem 0;
    text-align: center;
    margin-top: 6rem;
    box-shadow: 0 -10px 30px var(--shadow-md);
}

footer p {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.8;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 500;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 6rem 2rem;
    color: var(--text-secondary);
}

.empty-state h3 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gold);
}

.empty-state p {
    font-size: 1.125rem;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--gold);
    color: var(--parchment-dark);
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--parchment-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--bronze);
    border-radius: 6px;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 2rem 2rem;
    }

    .nav-container {
        padding: 1.25rem 2rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 1.5rem;
    }

    .logo-img {
        width: 45px;
        height: 45px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .container {
        padding: 1.5rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .about-content {
        padding: 2rem;
        font-size: 1.125rem;
    }

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

    .social-link {
        padding: 1rem 1.25rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .post-article {
        padding: 2rem;
        margin: 2rem auto;
    }

    .post-article h1 {
        font-size: 2.25rem;
    }

    .post-article h2 {
        font-size: 1.875rem;
    }

    .post-article h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo-img {
        width: 40px;
        height: 40px;
    }

    .logo {
        font-size: 1.35rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .post-card {
        padding: 1.5rem;
    }

    .post-article {
        padding: 1.5rem;
    }
}