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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* Navigation */
nav {
    background: white;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
}

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

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #000;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8rem 4rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
    opacity: 0.9;
}

.cta-button {
    background: white;
    color: #667eea;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Projects Section */
.projects {
    padding: 5rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
}

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

/* iframe card */
.iframe-image {
    pointer-events: all;
    background: #CBCBCB;
}

.iframe-image iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Card link wrapper */
a.project-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Project Card */
.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: relative;
    top: 0;
    transition: transform 0.3s, box-shadow 0.3s, top 0.3s;
    cursor: pointer;
}

.project-card:hover {
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

/* Non-GIF cards: use transform lift */
.project-card:not(:has(.project-image-gif)):hover {
    transform: translateY(-8px);
}

/* GIF cards: use top instead of transform to avoid pausing the animation */
.project-card:has(.project-image-gif):hover {
    top: -8px;
}

/* Project image container — fixed 16:9 aspect ratio */
.project-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
    overflow: hidden;
    position: relative;
}

/* Static images: fill container and pan slowly */
.project-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left center;
    animation: panImage 12s ease-in-out infinite;
    /* Prevent blurry upscaling */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

@keyframes panImage {
    0%   { object-position: left center; }
    50%  { object-position: right center; }
    100% { object-position: left center; }
}

/* GIF images: no pan animation, centered, no transform */
.project-image-gif img,
.project-image img[src$=".gif" i] {
    animation: none !important;
    object-position: center center;
    transform: none !important;
    object-fit: contain;
    background: #ffffff;
}

/* Overlay — single slim horizontal bar */
.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #111;
    padding: 0.55rem 1rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    transform: translateY(100%);
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.project-card:hover .project-overlay,
.project-overlay.overlay-visible {
    transform: translateY(0);
    opacity: 1;
}

.project-overlay.overlay-hiding {
    transform: translateY(0);
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* Left: title + description stacked */
.overlay-left {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
    flex: 1;
}

.project-title {
    font-size: 12px;
    font-weight: 700;
    color: #111;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-description {
    font-size: 11px;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* Right: tags row, max 4, no wrap */
.project-tags {
    display: flex;
    gap: 0.3rem;
    flex-wrap: nowrap;
    flex-shrink: 0;
    align-items: center;
}

.tag {
    background: rgba(0, 0, 0, 0.07);
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
    font-size: 10px;
    color: #555;
    white-space: nowrap;
}

/* About Section */
.about {
    background: white;
    padding: 5rem 4rem;
    text-align: center;
}

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

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 1.5rem;
}

.skills {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.skill {
    background: #667eea;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 500;
}

/* Footer */
footer {
    background: #2d3748;
    color: white;
    padding: 3rem 4rem;
    text-align: center;
}

footer h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

footer > p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.3s;
}

.social-links a:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    nav {
        padding: 1.5rem 2rem;
    }

    .projects {
        padding: 5rem 2rem;
    }

    .about {
        padding: 5rem 2rem;
    }

    footer {
        padding: 3rem 2rem;
    }
}

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

    .hero {
        padding: 4rem 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .projects {
        padding: 3rem 1.5rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .about {
        padding: 3rem 1.5rem;
    }

    footer {
        padding: 2.5rem 1.5rem;
    }

    .social-links {
        gap: 1.25rem;
    }
}