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

:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --text-color: #333;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    padding: 1.2rem 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    z-index: 101;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    z-index: 101;
}

header nav {
    display: flex;
    gap: 1.8rem;
}

header nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

header nav a:hover {
    color: var(--primary-color);
}

header nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

header nav a:hover::after {
    width: 100%;
}

div.headpic {
    overflow: hidden;
    background: no-repeat center center;
    width: auto;
    height: 300px;
    -webkit-background-size: cover;
    background-size: cover;
    position: relative;
}

main.container {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 2rem;
    flex: 1;
}

main h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 0.8rem;
    top: 0.8rem;
}

main h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

main a.extra {
    color: var(--accent-color);
    text-decoration: none;
    justify-content: center;
    display: flex;
}

main a.link {
    color: var(--accent-color);
    text-decoration: none;
}

article.post-excerpt {
    background: var(--white);
    border-radius: 10px;
    padding: 1.8rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

article.post-excerpt:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--accent-color);
}

article.post-excerpt h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

article.post-excerpt h3 a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

article.post-excerpt h3 a:hover {
    color: var(--primary-color);
}

article.post-excerpt .meta {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

article.post-excerpt p {
    color: var(--dark-gray);
    line-height: 1.7;
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 5%;
    text-align: center;
    margin-top: auto;
}

footer p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

footer .social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

footer .social-links a {
    text-decoration: none;
    color: var(--white);
    font-size: 1.4rem;
    transition: var(--transition);
}

footer .social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
    text-decoration: none;
}

.mobile-nav {
    position: fixed;
    top: 1.5rem;
    right: -300px;
    width: 280px;
    height: 100%;
    background-color: var(--white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 99;
    transition: right 0.3s ease;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-left: 2rem;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 500;
    padding: 0.8rem 0;
    position: relative;
    display: block;
}

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

.mobile-nav a:hover::after {
    width: 50%;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.headpic-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
}

.title-card {
    background: transparent;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
}

.title-card h1 {
    font-size: 2.8rem;
    color: var(--white);
    margin-bottom: 0.8rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.title-card .subtitle {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
    font-weight: 400;
}

@media (max-width: 768px) {
    .title-card h1 {
        font-size: 2.2rem;
    }

    .title-card .subtitle {
        font-size: 1.2rem;
    }

    .menu-toggle {
        display: block;
    }

    header nav {
        display: none;
    }

    .mobile-nav {
        display: flex;
    }
}

@media (max-width: 480px) {
    .title-card {
        padding: 1.5rem;
    }

    .title-card h1 {
        font-size: 1.8rem;
    }

    .title-card .subtitle {
        font-size: 1rem;
    }
}

div.disqus-area {
    padding: 0;
    padding-top: 3.75rem;
    padding-bottom: 5.625rem;
    padding-left: 1.875rem;
    padding-right: 1.875rem;
}