:root {
    --bg-color: #121212;
    --primary-color: #1e1e1e;
    --secondary-color: #2a2a2a;
    --font-color: #e0e0e0;
    --accent-color: #007acc;
    --accent-hover: #0099ff;
    --border-color: #333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--font-color);
    line-height: 1.6;
}

.header {
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--font-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--font-color);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

main {
    padding-top: 80px; /* Header height */
}

.section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.section:last-of-type {
    border-bottom: none;
}

h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--accent-color);
}

.project-category {
    margin-bottom: 4rem;
}

.project-category:last-of-type {
    margin-bottom: 0;
}

.project-category h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--font-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    text-align: left;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: calc(100vh - 80px);
}

.hero-text {
    flex: 2;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.social-links {
    margin-top: 2rem;
}

.social-links a {
    color: var(--font-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    margin-right: 1rem;
    transition: background-color 0.3s, color 0.3s;
}

.social-links a:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 300px;
    width: 100%;
    border-radius: 50%;
    border: 5px solid var(--secondary-color);
}

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

.project-card {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.project-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    min-height: 2.6rem;
    display: flex;
    align-items: center;
}

.project-card p {
    flex-grow: 1;
    margin-bottom: 1rem;
    line-height: 1.5;
}

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

.project-tags span {
    background-color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.project-links {
    margin-top: 0;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    flex: 1;
    text-align: center;
    padding: 0.5rem;
    border: 1px solid var(--accent-color);
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.project-link:hover {
    background-color: var(--accent-color);
    color: #fff;
    text-decoration: none;
}

.blog-list article {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.blog-date {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 0.5rem;
}

.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
    color: var(--accent-hover);
}

/* --- Blog Calendar Styles --- */

.blog-calendar-container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.calendar-view {
    flex: 1;
    min-width: 300px;
}

.blog-display {
    flex: 1;
    min-width: 300px;
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    max-height: 400px;
    overflow-y: auto;
}

.blog-display-content .placeholder-text {
    color: #888;
    font-style: italic;
    text-align: center;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    padding: 1rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.calendar-header h3 {
    margin: 0;
    font-size: 1.5rem;
}

.month-nav {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--font-color);
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0 0.75rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.month-nav:hover {
    background-color: var(--secondary-color);
}

.calendar-weekdays,
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    text-align: center;
}

.calendar-weekdays {
    font-weight: 600;
    color: #aaa;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.calendar-day {
    background-color: var(--primary-color);
    padding: 0.75rem 0.25rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
    cursor: pointer;
}

.calendar-day:not(.empty):hover {
    background-color: var(--secondary-color);
}

.calendar-day.empty {
    background-color: transparent;
    border-color: transparent;
    cursor: default;
}

.calendar-day.has-post {
    background-color: var(--secondary-color);
    font-weight: 700;
    color: var(--accent-color);
}

.calendar-day.has-post:hover {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-hover);
}

.calendar-day.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-hover);
}

/* Make display content styling reusable from old .blog-post */
.blog-display-content .blog-date {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 0.5rem;
}

.blog-display-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.blog-display-content p {
    margin-bottom: 1rem;
}

.blog-display-content .read-more {
     color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}
.blog-display-content .read-more:hover {
    text-decoration: underline;
    color: var(--accent-hover);
}

/* --- Form Styles --- */
#blog-post-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#blog-post-form h3 {
    font-size: 1.2rem;
    color: var(--font-color);
    margin-bottom: 0;
}

#blog-post-form input,
#blog-post-form textarea {
    width: 100%;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    color: var(--font-color);
    padding: 0.75rem;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
}

#blog-post-form input:focus,
#blog-post-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

#blog-post-form button {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.75rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

#blog-post-form button:hover {
    background-color: var(--accent-hover);
}

/* --- End Blog Calendar Styles --- */

.footer {
    text-align: center;
    padding: 2rem 5%;
    background-color: var(--primary-color);
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-image {
        order: 1;
        margin-bottom: 2rem;
    }

    .blog-calendar-container {
        flex-direction: column;
    }

    .nav-menu {
        display: none; /* Simplification for this example, a hamburger menu would be better */
    }
}