:root {
    --bg-color: #ffffff;
    --bg-color-secoundary: #dee2e6;
    --bg-color-thirtiary: #f5f5f5;
    --text-dark: #313131;
    --text-dark-secondary: #616161;
    --separator: #e4e4e4;
    --accent-red: #dc3545;
    --accent-green: #198754;
    --header-color: #ffffff;
    --hover-color: #c82333;
    --card-background: #ffffff;
    --metadata-background: rgba(0,0,0,0.7);
}

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    font-family: "Roboto", sans-serif;
}

.header {
    background-color: var(--header-color);
    border-bottom: 2px solid var(--separator);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 2rem;
    margin: 0;
    font-weight: 700;
}

.header .subtitle {
    font-size: 1rem;
    color: var(--text-dark-secondary);
    margin: 0;
}

.paragraph-bold{
    font-weight: bold;
}

.resume-btn {
    background-color: var(--accent-red);
    color: var(--bg-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    border: 2px solid var(--accent-red);
    gap: 0.5rem;
    transition: background-color 0.3s;
}

.resume-btn:hover {
    background-color: var(--bg-color);
    color: var(--accent-red);
}

.section {
    max-width: 80%;
    margin: 3rem auto;
    padding: 2rem 0;
}

.section-separator {
    height: 2px;
    background-color: var(--separator);
    margin: 3rem auto;
    max-width: 80%;
}


.section-bottom-margin{
    margin-bottom: 3rem;
}

.about-content {
    display: flex;
    color: var(--text-dark);
    gap: 2rem;
    align-items: start;
}

.about-photo {
    flex-shrink: 0;
}

.photo-placeholder {
    width: 250px;
    height: 250px;
    background-color: var(--accent-red);
    border-radius: 8px;
    overflow: hidden;
}

.photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--text-dark-secondary);
    color: var(--bg-color);
    border-radius: 5px;
    text-decoration: none;
    border: 2px solid var(--text-dark-secondary);
    transition: background-color 0.3s;
}

.social-icon:hover {
    background-color: var(--bg-color);
    color: var(--text-dark-secondary);
}

.social-icon.resume {
    border: 2px solid var(--accent-red);
    background-color: var(--accent-red);
}

.social-icon.resume:hover {
    background-color: var(--bg-color);
    color: var(--accent-red);
}

.about-text {
    flex: 1;
}

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

.project-card {
    background-color: var(--card-background);
    border: 1px solid var(--separator);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-gif {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-color-secoundary);
    position: relative;
    overflow: hidden;
}

.card-gif img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-metadata {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--metadata-background);
    color: var(--bg-color);
    padding: 0.5rem;
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
}

.metadata-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    text-wrap: nowrap;
}

.card-title h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.card-year {
    font-size: 0.7rem;
    color: var(--text-dark-secondary);
    margin-left: 0.5rem;
}

.platform-icons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.platform-icon {
    font-size: 1.2rem;
    text-decoration: none;
}

.relesed-project{
    color: var(--text-dark);
}

.awaiting-project{
    color: var(--text-dark-secondary);
}

.relesed-project:hover {
    color: var(--accent-red);
}

.card-description {
    color: var(--text-dark-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.card-highlights {
    background-color: var(--bg-color-thirtiary);
    padding: 0.75rem;
    border-radius: 5px;
    border-left: 3px solid var(--accent-red);
}

.card-highlights ul {
    margin: 0;
    padding-left: 1.5rem;
}

.card-highlights li {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.port-info {
    display: flex;
    background-color: var(--bg-color-thirtiary);
    padding: 0.75rem;
    border-radius: 5px;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.port-arrow {
    display: inline-block;
    color: var(--text-dark);
    margin: 0 0.5rem;
}

.personal-project {
    margin-bottom: 3rem;
}

.personal-project h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: center;
}

.feature-gif {
    width: 300px;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-color-secoundary);
    border-radius: 8px;
    flex-shrink: 0;
    overflow: hidden;
}

.feature-gif img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-description {
    flex: 1;
}

.education-item {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.university-logo {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    flex-shrink: 0;
    overflow: hidden;
}

.university-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
}

.education-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.education-details {
    font-size: 0.95rem;
    color: var(--text-dark-secondary);
}

.footer {
    background-color: var(--bg-color);
    border-top: 2px solid var(--separator);
    padding: 3rem 0;
    margin-top: 4rem;
    text-align: center;
}

.footer h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer p {
    color: var(--text-dark-secondary);
    margin-bottom: 1.5rem;
}

.footer .social-icons {
    justify-content: center;
}

.back-btn {
    background-color: transparent;
    color: var(--text-dark);
    border: 2px solid var(--separator);
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: border-color 0.2s, color 0.2s;
    font-size: 0.95rem;
}
.back-btn:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.page-wrapper {
    max-width: 80%;
    margin: 0 auto;
    padding: 3rem 0 5rem;
}
 
.section-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.section-heading::after {
    content: '';
    flex: 1;
    height: 2px;
    background-color: var(--separator);
}

.section-heading i {
    color: var(--accent-red);
    font-size: 1.1rem;
}
 
.hero {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    align-items: start;
}
 
.hero-media {
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--bg-color-secoundary);
    aspect-ratio: 16 / 9;
    position: relative;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
 
.media-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.thumb {
    aspect-ratio: 16 / 9;
    border-radius: 5px;
    overflow: hidden;
    background-color: var(--bg-color-secoundary);
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.thumb img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb.active,
.thumb:hover {
    border-color: var(--text-dark);
}
 
.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
 
.project-title-block h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    line-height: 1.2;
}
.project-genre {
    font-size: 0.9rem;
    color: var(--text-dark-secondary);
    margin: 0 0 1rem;
}
 
.platform-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.relesed-project{
    color: var(--text-dark);
}

.awaiting-project{
    color: var(--text-dark-secondary);
}

.relesed-project:hover {
    color: var(--accent-red);
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--bg-color-thirtiary);
    border: 1px solid var(--separator);

    transition: background-color 0.2s;
}

.platform-badge a{
    text-decoration: none;
}

.platfrom-bardge-relesed a{
    color: var(--text-dark);
}

.platfrom-bardge-awaitng{
    color: var(--text-dark-secondary);
}
.platfrom-bardge-relesed:hover{
    background-color: var(--bg-color);
}

.platfrom-bardge-relesed:hover a{
    background-color: var(--bg-color);
    color: var(--accent-red);
}

.stats-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.stat-item {
    background-color: var(--bg-color-thirtiary);
    border-radius: 6px;
    padding: 0.75rem 1rem;
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dark-secondary);
    margin-bottom: 0.2rem;
}

.stat-value {
    font-size: .8rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.stat-value i {
    color: var(--text-dark-secondary);
    font-size: 0.85rem;
}

.store-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--accent-red);
    color: var(--bg-color);
    border: 2px solid var(--accent-red);
    border-radius: 5px;
    padding: 0.75rem 1rem;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s, color 0.2s;
}

.store-btn:hover {
    background-color: var(--bg-color);
    color: var(--accent-red);
}

.overview-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.role-block {
    background-color: var(--bg-color-thirtiary);
    border-left: 4px solid var(--accent-red);
    border-radius: 0 6px 6px 0;
    padding: 1.25rem 1.5rem;
    max-width: 80ch;
}
.role-block p {
    margin: 0;
    line-height: 1.8;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background-color: var(--bg-color-thirtiary);
    border: 1px solid var(--separator);
    border-radius: 4px;
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
}

.tech-tag i {
    color: var(--text-dark-secondary);
    font-size: 0.8rem;
}

.deep-dive-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    align-items: start;
    margin-bottom: 2.5rem;
}

.deep-dive-item:last-child {
    margin-bottom: 0;
}

.deep-dive-item.reverse {
    direction: rtl;
}

.deep-dive-item.reverse > * {
    direction: ltr;
}

.dive-media {
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-color-secoundary);
    aspect-ratio: 16 / 9;
}

.dive-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.dive-text h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.dive-text p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-dark-secondary);
    margin: 0 0 0.75rem;
}

.highlight-box {
    background-color: var(--bg-color-thirtiary);
    border-left: 3px solid var(--accent-red);
    border-radius: 0 5px 5px 0;
    padding: 0.75rem 1rem;
}

.highlight-box ul {
    margin: 0;
    padding-left: 1.25rem;
}

.highlight-box li {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.challenge-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.challenge-col {
    background-color: var(--bg-color-thirtiary);
    border-radius: 6px;
    padding: 1.25rem;
}

.challenge-col h5 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.challenge-col h5 i { font-size: 0.8rem; }
.challenge-col.problem h5 { color: var(--accent-red); }
.challenge-col.solution h5 { color: var(--accent-green); }
.challenge-col p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
    color: var(--text-dark-secondary);
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.metric-card {
    background-color: var(--bg-color-thirtiary);
    border-radius: 8px;
    padding: 1.25rem 1rem;
    text-align: center;
    border: 1px solid var(--separator);
}

.metric-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-red);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-dark-secondary);
    line-height: 1.3;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.lesson-item {
    background-color: var(--bg-color-thirtiary);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-dark-secondary);
    border-top: 3px solid var(--accent-red);
}

.lesson-item strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.3rem;
}

.project-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-top: 2px solid var(--separator);
    margin-top: 3rem;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--text-dark);
    border: 2px solid var(--separator);
    transition: border-color 0.2s, color 0.2s;
}

.nav-btn:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.nav-btn.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.nav-center {
    font-size: 0.85rem;
    color: var(--text-dark-secondary);
}
 
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
    }
    .deep-dive-item {
        grid-template-columns: 1fr;
    }
    .deep-dive-item.reverse {
        direction: ltr;
    }
}

@media (min-width: 1920px) {
    .header-content,
    .section,
    .section-separator {
        max-width: 1400px;
    }
    .page-wrapper {
        max-width: 1400px;
    }
}

@media (max-width: 768px) {
    .header-content,
    .section,
    .section-separator {
        max-width: 95%;
    }

    .page-wrapper {
        max-width: 95%;
    }
    .challenge-item {
        grid-template-columns: 1fr;
    }
    .stats-block {
        grid-template-columns: 1fr 1fr;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .feature-item {
        flex-direction: column;
    }

    .feature-gif {
        width: 100%;
    }

    .education-item {
        flex-direction: column;
        text-align: center;
    }

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