* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

*:focus,
*:focus-visible,
*:active {
    outline: none !important;
    box-shadow: none !important;
}


:root {
    /* Light Theme Colors */
    --primary-color: #22223b;
    --secondary-color: #4a4e69;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --text-primary: #22223b;
    --text-secondary: #4a4e69;
    --text-muted: #9a8c98;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e0e0e0;
    --success: #10b981;
    --golden: #d7c12f;

    /* Typography */
    --font-mono: 'Courier New', 'Courier', monospace;
    
    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

body {
    font-family: var(--font-mono);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    transition: var(--transition);
    overflow-x: hidden;
    opacity: 0;
    animation: pageLoad 0.8s ease-out forwards;
    min-height: 100vh;
}

@keyframes pageLoad {
    to { opacity: 1; }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(54, 63, 136, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem clamp(1rem, 3vw, 2rem);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.85rem 1.25rem;
    z-index: 1000;
    transition: var(--transition);
}

.nav-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.85rem;
    min-width: 0;
    flex: 1 1 280px;
}

.brand-image {
    width: clamp(48px, 6vw, 78px);
    height: clamp(48px, 6vw, 78px);
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--surface);
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-text {
    font-size: clamp(1rem, 2.2vw, 1.5rem);
    font-weight: 700;
    color: var(--surface);
    line-height: 1.2;
}

.brand-subtitle {
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    color: var(--golden);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 0.45rem;
    font-size: 1rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    flex: 1 1 420px;
    min-width: 0;
}

.nav-links a {
    color: var(--golden);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    line-height: 1;
}

.nav-links a:hover {
    color: var(--golden);
    background: rgba(255, 255, 255, 0.08);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--golden);
    transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 1px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--golden);
    background: rgba(255, 255, 255, 0.12);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 2rem);
}

.section {
    padding: clamp(4rem, 8vw, var(--space-2xl)) 0;
    min-height: min(100vh, 1000px);
    display: flex;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    align-items: center;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.section:first-of-type {
    padding-top: calc(var(--space-2xl) + 80px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.typewriter {
    color: var(--accent-color);
    font-weight: 500;
    border-right: 2px solid var(--accent-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-right-color: var(--accent-color); }
    51%, 100% { border-right-color: transparent; }
}

.hero-arrow {
    margin-top: var(--space-lg);
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Styling */
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

#about .section-content,
#about .intro-text {
    text-align: left;
}

.intro-text {
    font-size: clamp(1rem, 2.2vw, 1.3rem);
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

/* Experience Section */
.experience-item {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.experience-item:last-child {
    border-bottom: none;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
    gap: 1rem;
}

.exp-header h3 {
    font-size: clamp(1.05rem, 2.1vw, 1.3rem);
    font-weight: 600;
    color: var(--text-primary);
}

.exp-period {
    font-family: var(--font-mono);
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
    color: var(--text-muted);
    font-weight: 500;
}

.exp-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: clamp(1rem, 2.1vw, 1.3rem);
}

.company-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.company-link:hover {
    color: var(--accent-hover);
    text-shadow: 0 0 8px rgba(96, 165, 250, 0.3);
}

.company-link i {
    font-size: 0.8em;
    margin-left: 0.5rem;
    opacity: 0.8;
    transition: var(--transition);
    color: var(--success);
}

.company-link:hover i {
    opacity: 1;
    transform: translateX(2px) scale(1.1);
    color: #059669;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.skill-category {
    text-align: left;
}

.skill-category-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 1.2rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    transform: translateY(-2px) scale(1.05);
}

.skill-tag.primary {
    background: var(--accent-color);
    color: white;
}

.skill-tag.secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.skill-tag.learning {
    background: var(--surface);
    color: var(--text-muted);
    border: 1px dashed var(--border);
}

/* Work Section */

.work-grid {
    display: grid;
    gap: 4rem;
    margin-top: var(--space-md);
}

.work-item + .work-item {
    border-top: 1px solid var(--border);
    padding-top: 2.5rem;
}


.work-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin: 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(24px);
    box-shadow: none;
    box-sizing: border-box;
    font-size: 1rem;
    text-align: left;
}


.work-item:nth-child(even) .work-image {
    order: 2;
}


.work-item.animate {
    opacity: 1;
    transform: translateY(0);
}


.work-item:hover {
    transform: translateY(-4px);
}

.work-image {
    width: 100%;
}


.project-preview {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    aspect-ratio: 16 / 10;
    width: 100%;
    margin: 0;
}


.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
    transition: var(--transition);
    box-shadow: none;
    display: block;
    margin: 0;
}

.f1-screenshot {
    object-fit: contain;
    padding: 0.35rem;
    background: var(--surface);
}


.project-preview:hover .project-screenshot {
    transform: scale(1.04);
}

/* Work Content */

.work-content {
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 1rem;
    height: auto;
    min-height: auto;
    max-height: none;
    overflow-y: visible;
    width: 100%;
    max-width: 100%;
    padding: 0;
}

.work-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    gap: 1rem;
}

.work-header h3 {
    font-size: clamp(1.2rem, 2.4vw, 1.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.work-links {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.work-link {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
    text-decoration: none;
    font-weight: 600;
}

.work-link:hover {
    color: var(--accent-color);
    transform: none;
}

.work-context {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0;
    font-family: var(--font-mono);
}

.work-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

.work-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stack-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stack-tag {
    padding: 0.4rem 0.9rem;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .work-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .work-item:nth-child(even) .work-image {
        order: 0;
    }
}

@media (max-width: 768px) {
    .work-grid {
        gap: 3rem;
    }

    .work-item + .work-item {
        padding-top: 2rem;
    }
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-size: clamp(1.7rem, 4.2vw, 2.5rem);
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: clamp(0.95rem, 1.9vw, 1.1rem);
    transition: var(--transition);
    padding: 1rem;
    border-radius: 8px;
    width: min(100%, 560px);
    flex-wrap: wrap;
}

.contact-link:hover {
    color: var(--accent-color);
    background: var(--surface);
    transform: translateY(-2px);
}

.contact-link i {
    font-size: 1.3rem;
    width: 24px;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: var(--space-lg) 0;
    text-align: center;
    width: 100%;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}


/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--accent-color);
    color: white;
}