/* CSS Variables */
:root {
    --blue: #00c2ff;
    --blue-dark: #0092c2;
    --blue-light: #66e2ff;
    --white: #ffffff;
    --gray-50: #f4f6ff;
    --gray-100: #edf1ff;
    --gray-200: #dee5ff;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --max-width: 1200px;
    --border-radius: 12px;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 0 0 rgba(0, 194, 255, 0.0);
    --card-shadow-hover: 0 6px 18px rgba(0, 0, 0, 0.12), 0 0 16px rgba(0, 194, 255, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-xs);
}

h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.6;
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--blue-dark);
}

/* Bento Grid Container */
.bento-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    grid-template-areas:
        "identity"
        "about"
        "experience"
        "education"
        "projects";
}

/* Bento Card Base */
.bento-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bento-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.card-title {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
    font-weight: 600;
}

/* Identity Card */
.identity-card {
    grid-area: identity;
}

.identity-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
}

.identity-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-xs);
}

.identity-name {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-xs);
}

.identity-tagline {
    font-size: clamp(0.875rem, 1.5vw, 0.95rem);
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.identity-content .project-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.identity-content .metric {
    font-size: 0.75rem;
    padding: 4px 10px;
}

.identity-social {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.identity-social a {
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.identity-social a:hover {
    color: var(--blue);
    background-color: var(--gray-100);
}

/* About Card */
.about-card {
    grid-area: about;
}

.about-content p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Experience Card */
.experience-card {
    grid-area: experience;
}

.experience-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.experience-logo {
    margin-bottom: var(--spacing-xs);
}

.experience-logo-img {
    max-width: 150px;
    height: auto;
    display: block;
}

.experience-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.experience-role {
    color: var(--gray-900);
    margin-bottom: 0;
    font-size: 1.125rem;
}

.experience-company {
    color: var(--blue);
    font-weight: 500;
    font-size: 0.95rem;
}

.experience-period {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 400;
}

.experience-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.metric {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--gray-50);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.experience-description {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Education Card */
.education-card {
    grid-area: education;
}

.education-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.education-degree {
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.education-school {
    color: var(--blue);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.education-note {
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* Projects Card */
.projects-card {
    grid-area: projects;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.project-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.project-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.project-item-logo {
    max-width: 120px;
    height: auto;
    margin-bottom: var(--spacing-xs);
}

.project-item-name {
    color: var(--gray-900);
    margin-bottom: 0;
    font-size: 1rem;
}

.project-item .project-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.project-item .metric {
    font-size: 0.7rem;
    padding: 4px 8px;
    white-space: nowrap;
}

.project-item-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.5;
}

.project-item-link {
    color: var(--blue);
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-block;
}

.project-item-link:hover {
    color: var(--blue-dark);
}

/* Project Detail Pages */
.project-page {
    grid-template-columns: 1fr;
}

.project-identity-card,
.project-summary-card {
    grid-column: 1 / -1;
}

.project-identity-logo {
    max-width: 120px;
    height: auto;
    display: block;
    margin-bottom: var(--spacing-md);
}

.project-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.project-tagline {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.project-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.project-section-card h2 {
    margin-bottom: var(--spacing-sm);
}

.project-section-card p:last-child {
    margin-bottom: 0;
}

.icon-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.icon-list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--gray-100);
    color: var(--blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 2px;
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
    background-color: var(--white);
    border-top: 1px solid var(--gray-200);
}

.footer .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-cta {
    text-align: center;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.footer-cta a {
    color: var(--blue);
    font-weight: 500;
}

.footer-cta a:hover {
    color: var(--blue-dark);
}

.footer-social a {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.footer-social a:hover {
    color: var(--blue);
}

/* Hero Section (for project pages) */
.hero {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    text-align: center;
    background-color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

.hero-name {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

/* Back Navigation (for project pages) */
.back-nav {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.back-nav a {
    color: var(--gray-600);
    font-size: 0.95rem;
    font-weight: 500;
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.back-nav a:hover {
    color: var(--blue);
    background-color: var(--gray-100);
}

/* Project Hero Logo */
.project-hero-logo {
    margin-bottom: var(--spacing-lg);
}

.project-hero-logo-img {
    max-width: 250px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Project Overview Section */
.project-overview {
    padding: var(--spacing-2xl) 0;
    background-color: var(--gray-50);
}

.project-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.project-content h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.project-content h2:first-child {
    margin-top: 0;
}

.project-content h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.project-content p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-content p:last-child {
    margin-bottom: 0;
}

.project-content ul.project-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.project-content ul.project-list li {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.7;
}

.project-content ul.project-list li:before {
    content: "•";
    color: var(--blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Project Images */
.project-images-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.project-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

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

/* Modal/Lightbox */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    display: block;
    max-width: 90vw;
    max-height: 90vh;
    animation: modalFadeIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    color: var(--blue);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.project-feature-image {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.image-caption {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
    font-style: italic;
    margin-bottom: 0;
}

/* Responsive Breakpoints */
@media (min-width: 768px) {
    body {
        padding: var(--spacing-lg);
    }
    
    .bento-container {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "identity about"
            "experience experience"
            "education projects";
    }
    
    .identity-content {
        align-items: flex-start;
        text-align: left;
    }
    
    .identity-photo {
        width: 100px;
        height: 100px;
    }
    
    .experience-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: baseline;
        flex-wrap: wrap;
    }
    
    .experience-period {
        margin-left: auto;
    }
    
    .projects-list {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
    
    .project-item {
        flex: 1;
        border-bottom: none;
        border-right: 1px solid var(--gray-200);
        padding-bottom: 0;
        padding-right: var(--spacing-lg);
    }
    
    .project-item:last-child {
        border-right: none;
        padding-right: 0;
    }
}

@media (min-width: 768px) {
    .project-page {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .project-identity-card {
        grid-column: span 2;
    }

    .project-summary-card,
    .project-features-card {
        grid-column: span 1;
    }

    .nudge-page .project-summary-card,
    .nudge-page .project-features-card {
        grid-column: 2 / -1;
    }

    .nudge-page .project-identity-card {
        grid-column: 1 / 2;
        grid-row: 1 / span 2;
    }

    .nudge-page {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .project-images-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-features-card .project-images-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .nudge-page .project-features-card .project-images-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .nudge-page .key-features-card {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .bento-container {
        grid-template-columns: 1fr 2fr 1fr;
        grid-template-areas:
            "identity about projects"
            "experience experience education";
        gap: var(--spacing-lg);
    }
    
    .identity-photo {
        width: 120px;
        height: 120px;
    }
    
    .projects-list {
        flex-direction: column;
    }
    
    .project-item {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding-right: 0;
        padding-bottom: var(--spacing-md);
    }
    
    .project-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .project-page {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .project-identity-card {
        grid-column: span 1;
    }

    .project-summary-card {
        grid-column: span 1;
    }

    .project-features-card {
        grid-column: span 1;
    }

    .nudge-page .project-identity-card,
    .nudge-page .project-summary-card,
    .nudge-page .project-features-card {
        grid-column: 2 / -1;
    }

    .nudge-page {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .nudge-page .project-identity-card {
        grid-column: 1 / 2;
        grid-row: 1 / span 2;
    }

    .nudge-page .key-features-card {
        grid-column: span 2;
    }
}