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

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
}

/* ===== Navbar ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.navbar .logo img {
    height: 40px;
    display: block;
}

.navbar .nav-links {
    display: flex;
    gap: 0.5rem;
}

.navbar .nav-links a {
    text-decoration: none;
    color: #333;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
    font-weight: 500;
}

.navbar .nav-links a:hover {
    background-color: #eee;
}

/* Active link: no background, just a bottom border */
.navbar .nav-links a.active {
    background-color: transparent;
    color: #333;
    border-bottom: 3px solid #444;
    border-radius: 0;
    padding-bottom: 0.2rem;
}

/* Mobile menu toggle */
.navbar .menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 4px 0;
}

.navbar .menu-toggle span {
    width: 26px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ===== Marquee ===== */
.marquee-container {
    width: 100%;
    overflow: hidden;
    background-color: #f0f0f0;
    padding: 0.4rem 0;
    border-bottom: 1px solid #ddd;
}

.marquee {
    display: inline-block;
    white-space: nowrap;
    font-size: 1.4rem;
    font-family: 'VT323', monospace;
    color: #333;
    transform: translateX(100vw);
    animation: marqueeAnimation 18s linear infinite;
}

@keyframes marqueeAnimation {
    0% {
        transform: translateX(100vw);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* ===== Projects Container ===== */
.projects-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.message {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 1.2rem;
    padding: 2rem 0;
    color: #666;
}

/* ===== Project Card ===== */
.project-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.25s ease, transform 0.2s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

.project-thumbnail {
    width: 100%;
    background-color: #eee;
    overflow: hidden;
}

.project-thumbnail a {
    display: block;
    width: 100%;
}

/* 3:2 aspect ratio for thumbnails */
.project-thumbnail img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: contain;
    display: block;
}

.no-thumb {
    padding: 1rem;
    text-align: center;
    color: #999;
    font-style: italic;
}

.project-info {
    padding: 0.8rem 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.project-info a {
    font-size: 1.1rem;
    font-weight: 500;
    color: #0073e6;
    text-decoration: none;
    transition: color 0.2s;
    word-break: break-word;
}

.project-info a:hover {
    text-decoration: underline;
    color: #005bb5;
}

/* ===== Responsive Styles ===== */
@media (max-width: 992px) {
    .projects-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    /* Navbar mobile */
    .navbar .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        display: none;
        padding: 0.5rem 1.5rem;
        border-bottom: 1px solid #ddd;
        box-shadow: 0 4px 8px rgba(0,0,0,0.06);
    }

    .navbar .nav-links.show {
        display: flex;
    }

    .navbar .menu-toggle {
        display: flex;
    }

    /* Grid: 2 columns on mobile */
    .projects-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
        padding: 0 1rem;
    }

    .project-info a {
        font-size: 1rem;
    }

    .marquee {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.5rem 1rem;
    }

    .navbar .logo img {
        height: 32px;
    }

    .marquee {
        font-size: 1rem;
    }

    .projects-container {
        gap: 0.6rem;
        padding: 0 0.6rem;
    }

    .project-info a {
        font-size: 0.9rem;
    }

    .project-info {
        padding: 0.5rem 0.6rem;
    }
}