:root {
    /* Light mode palette */
    --bg-beige: #F4EFEA;
    --bg-white: #FFFFFF;
    --text-dark: #383838;
    --text-charcoal: #2C2C2C;

    --accent-cyan: #1E88E5;
    --accent-cyan-hover: #1565C0;
    --accent-yellow: #FFC107;
    --accent-coral: #E53935;
    --accent-teal: #00897B;
    --accent-purple: #8E24AA;

    --border-color: #383838;
    --shadow-color: #383838;
    --border-width: 2px;
    --shadow-offset: -8px 8px 0px;
    --shadow-offset-large: -12px 12px 0px;

    /* Semantic tokens — overridden in dark mode */
    --surface-raised: var(--bg-white);
    --surface-inset: var(--bg-beige);
    --surface-elevated: var(--bg-white);
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.98);
    --nav-shadow: rgba(0, 0, 0, 0.08);
    --icon-color: var(--accent-cyan);

    /* Accent rotation for nth-child cards */
    --card-accent-1: var(--accent-cyan);
    --card-accent-2: var(--accent-yellow);
    --card-accent-3: var(--accent-coral);
    --card-accent-4: var(--accent-teal);
    --icon-accent-1: var(--accent-cyan);
    --icon-accent-2: var(--accent-yellow);
    --icon-accent-3: var(--accent-coral);
    --icon-accent-4: var(--accent-purple);
    --skill-accent-1: var(--accent-cyan);
    --skill-accent-2: var(--accent-yellow);
    --skill-accent-3: var(--accent-teal);
    --skill-accent-4: var(--accent-purple);

    /* Typography tokens */
    --fs-body: clamp(0.95rem, 0.9rem + 0.3vw, 1rem);
    --fs-small: clamp(0.8rem, 0.75rem + 0.2vw, 0.9rem);
    --fs-lead: clamp(1rem, 0.95rem + 0.5vw, 1.15rem);
    --fs-section-title: clamp(1.75rem, 1.25rem + 2vw, 2.5rem);
    --fs-hero: clamp(2.25rem, 1.5rem + 6vw, 5.5rem);
}

/* Dark mode overrides — single block, no per-component duplication */
body.dark-mode {
    --bg-beige: #121212;
    --bg-white: #1e1e1e;
    --text-dark: #d0d0d0;
    --text-charcoal: #e8e8e8;
    --border-color: #3a3a3a;
    --shadow-color: #252525;

    --accent-cyan: #7eb5e8;
    --accent-cyan-hover: #9cc5ec;

    --surface-raised: #1e1e1e;
    --surface-inset: #121212;
    --surface-elevated: #2a2a2a;
    --nav-bg: rgba(18, 18, 18, 0.95);
    --nav-bg-scrolled: rgba(18, 18, 18, 0.98);
    --nav-shadow: rgba(0, 0, 0, 0.5);
    --icon-color: #909090;

    --card-accent-1: #505050;
    --card-accent-2: #505050;
    --card-accent-3: #505050;
    --card-accent-4: #505050;
    --icon-accent-1: #909090;
    --icon-accent-2: #909090;
    --icon-accent-3: #909090;
    --icon-accent-4: #909090;
    --skill-accent-1: #505050;
    --skill-accent-2: #505050;
    --skill-accent-3: #505050;
    --skill-accent-4: #505050;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-beige);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.5;
    font-size: 16px;
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-cyan);
    color: var(--text-charcoal);
    padding: 0.75rem 1rem;
    z-index: 10000;
    text-decoration: none;
    font-weight: 700;
    border: var(--border-width) solid var(--border-color);
}

.skip-link:focus {
    top: 0;
}

/* Honeypot (spam trap) */
.honeypot {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Focus ring for keyboard users (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* Custom cursor — only enabled when user has no motion or pointer constraints */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
    body.custom-cursor-enabled,
    body.custom-cursor-enabled * {
        cursor: none;
    }

    body.custom-cursor-enabled .cursor-dot {
        width: 10px;
        height: 10px;
        background: var(--accent-cyan);
        border-radius: 50%;
        position: fixed;
        top: 0;
        left: 0;
        pointer-events: none;
        z-index: 9999;
        transition: width 0.15s ease, height 0.15s ease, background 0.15s ease;
        will-change: transform;
    }

    body.custom-cursor-enabled .cursor-ring {
        width: 40px;
        height: 40px;
        border: 2px solid var(--border-color);
        border-radius: 50%;
        position: fixed;
        top: 0;
        left: 0;
        pointer-events: none;
        z-index: 9998;
        transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        will-change: transform;
    }

    body.custom-cursor-enabled .cursor-ring.hover {
        width: 60px;
        height: 60px;
        border-color: var(--accent-cyan);
        background: rgba(111, 194, 255, 0.1);
    }

    body.custom-cursor-enabled .cursor-dot.click {
        width: 6px;
        height: 6px;
        background: var(--accent-coral);
    }

    body.custom-cursor-enabled .cursor-ring.click {
        width: 30px;
        height: 30px;
        border-color: var(--accent-coral);
        border-width: 3px;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--border-width) solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease, padding 0.3s ease;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: var(--nav-bg-scrolled);
    box-shadow: 0 2px 20px var(--nav-shadow);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    color: var(--text-charcoal);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-logo::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background: var(--accent-cyan);
    transition: width 0.3s ease;
}

.nav-logo:hover {
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.nav-logo:hover::before {
    width: 100%;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
    font-weight: 500;
    font-size: var(--fs-small);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-cyan-hover);
    transform: translateY(-2px);
}

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

.nav-link.active {
    color: var(--accent-cyan);
}

.theme-toggle {
    background: var(--surface-raised);
    border: var(--border-width) solid var(--border-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
    color: var(--text-charcoal);
    cursor: pointer;
    margin-left: 2rem;
}

.theme-toggle:hover {
    background: var(--accent-cyan);
    transform: translateY(-2px);
}

.theme-toggle i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(20deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0.25rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 5rem 2rem 3rem;
    background: var(--bg-beige);
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    z-index: 1;
}

.glitch {
    font-size: var(--fs-hero);
    font-weight: 700;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-charcoal);
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.5rem);
    color: var(--accent-cyan);
    margin: 1.5rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.typing-effect {
    display: inline-block;
}

.hero-description {
    font-size: var(--fs-lead);
    color: var(--text-dark);
    margin: 1.5rem auto;
    max-width: 700px;
    line-height: 1.6;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
    width: 220px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    box-sizing: border-box;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-cyan);
    color: var(--text-charcoal);
}

.btn-primary:hover {
    background: var(--accent-cyan-hover);
    transform: translate(-2px, 2px);
    box-shadow: -6px 6px 0px var(--shadow-color);
}

.btn-secondary {
    background: var(--surface-raised);
    color: var(--text-charcoal);
}

.btn-secondary:hover {
    background: var(--accent-yellow);
    transform: translate(-2px, 2px);
    box-shadow: -6px 6px 0px var(--shadow-color);
}

.btn-resume {
    background: var(--accent-coral);
    color: var(--bg-white);
}

.btn-resume:hover {
    background: var(--accent-teal);
    color: var(--bg-white);
    transform: translate(-2px, 2px);
    box-shadow: -6px 6px 0px var(--shadow-color);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.hero-socials {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-raised);
    border: var(--border-width) solid var(--border-color);
    box-shadow: -5px 5px 0px var(--shadow-color);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    color: var(--text-charcoal);
    text-decoration: none;
}

.social-link:hover {
    background: var(--accent-cyan);
    transform: translate(-2px, 2px);
    box-shadow: -3px 3px 0px var(--shadow-color);
}

.social-link i {
    font-size: 1.5rem;
}

.hero-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat {
    background: var(--surface-raised);
    padding: 1.25rem 1.75rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: -5px 5px 0px var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.stat:nth-child(1) { border-top: 4px solid var(--card-accent-1); }
.stat:nth-child(2) { border-top: 4px solid var(--card-accent-2); }
.stat:nth-child(3) { border-top: 4px solid var(--card-accent-3); }

.stat:hover {
    transform: translate(-2px, 2px);
    box-shadow: -3px 3px 0px var(--shadow-color);
}

.stat h3 {
    font-size: 1.3rem;
    color: var(--text-charcoal);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.stat p {
    color: var(--text-dark);
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Sections */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 3rem 0;
    position: relative;
}

.section-title {
    font-size: var(--fs-section-title);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    color: var(--text-charcoal);
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* About */
.about-content {
    display: grid;
    gap: 1.5rem;
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: var(--fs-body);
    line-height: 1.6;
}

.lead {
    font-size: var(--fs-lead);
    color: var(--text-charcoal);
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-text p + p {
    margin-top: 0.75rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.highlight-card {
    background: var(--surface-raised);
    padding: 1.5rem;
    text-align: center;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.highlight-card:nth-child(1) { border-top: 4px solid var(--card-accent-1); }
.highlight-card:nth-child(2) { border-top: 4px solid var(--card-accent-2); }
.highlight-card:nth-child(3) { border-top: 4px solid var(--card-accent-3); }

.highlight-card:hover {
    transform: translate(-3px, 3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
}

.highlight-card i {
    font-size: 2.5rem;
    color: var(--icon-accent-1);
    margin-bottom: 1rem;
}

.highlight-card:nth-child(2) i { color: var(--icon-accent-2); }
.highlight-card:nth-child(3) i { color: var(--icon-accent-3); }

.highlight-card h3 {
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text-charcoal);
}

/* Experience */
.timeline {
    position: relative;
    padding: 0.5rem 0;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-date {
    color: var(--accent-cyan);
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.timeline-content {
    background: var(--surface-raised);
    padding: 1.5rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timeline-content:hover {
    transform: translate(-3px, 3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
}

.timeline-content h3 {
    color: var(--text-charcoal);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    font-weight: 700;
}

.timeline-content h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: var(--fs-small);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    margin-bottom: 0.6rem;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
    font-size: var(--fs-body);
}

.timeline-content li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--icon-color);
    font-size: 0.6rem;
    top: 0.5rem;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.skill-category {
    background: var(--surface-raised);
    padding: 1.5rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-category:nth-child(1) { border-left: 4px solid var(--skill-accent-1); }
.skill-category:nth-child(2) { border-left: 4px solid var(--skill-accent-2); }
.skill-category:nth-child(3) { border-left: 4px solid var(--skill-accent-3); }
.skill-category:nth-child(4) { border-left: 4px solid var(--skill-accent-4); }

.skill-category:hover {
    transform: translate(-3px, 3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
}

.skill-category h3 {
    color: var(--text-charcoal);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.skill-category:nth-child(1) h3 i { color: var(--skill-accent-1); }
.skill-category:nth-child(2) h3 i { color: var(--skill-accent-2); }
.skill-category:nth-child(3) h3 i { color: var(--skill-accent-3); }
.skill-category:nth-child(4) h3 i { color: var(--skill-accent-4); }

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    padding: 0;
}

.skill-tag {
    background: var(--surface-inset);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    font-size: var(--fs-small);
    border: var(--border-width) solid var(--border-color);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    font-weight: 500;
}

.skill-tag:hover {
    background: var(--accent-cyan);
    color: var(--text-charcoal);
    transform: scale(1.05);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.project-card {
    background: var(--surface-raised);
    padding: 1.5rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-card:nth-child(1) { border-top: 4px solid var(--card-accent-1); }
.project-card:nth-child(2) { border-top: 4px solid var(--card-accent-2); }
.project-card:nth-child(3) { border-top: 4px solid var(--card-accent-3); }
.project-card:nth-child(4) { border-top: 4px solid var(--card-accent-4); }

.project-card:hover {
    transform: translate(-3px, 3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
}

.project-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.project-card:nth-child(1) .project-icon { color: var(--icon-accent-1); }
.project-card:nth-child(2) .project-icon { color: var(--icon-accent-2); }
.project-card:nth-child(3) .project-icon { color: var(--icon-accent-3); }
.project-card:nth-child(4) .project-icon { color: var(--icon-accent-4); }

.project-card h3 {
    margin-bottom: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.15rem;
    color: var(--text-charcoal);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-card p {
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.5;
    font-size: var(--fs-body);
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    padding: 0;
}

.project-tech li {
    background: var(--surface-inset);
    color: var(--text-dark);
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border: var(--border-width) solid var(--border-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: var(--surface-inset);
    color: var(--text-dark);
    text-decoration: none;
    border: var(--border-width) solid var(--border-color);
    font-weight: 600;
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'JetBrains Mono', monospace;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    align-self: flex-start;
}

.project-link:hover {
    background: var(--accent-cyan);
    color: var(--text-charcoal);
    transform: translateX(-2px);
}

.project-link i {
    font-size: 1rem;
}

/* Technologies */
.technologies {
    background: var(--surface-raised);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--surface-inset);
    border: var(--border-width) solid var(--border-color);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: -5px 5px 0px var(--shadow-color);
    background: var(--surface-raised);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--icon-color);
}

.tech-item span {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--fs-small);
    letter-spacing: 0.05em;
    color: var(--text-dark);
}

/* GitHub Activity */
.github-activity {
    background: var(--bg-beige);
}

.github-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.github-stat-card {
    background: var(--surface-raised);
    padding: 1.5rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.github-stat-card:nth-child(1) { border-top: 4px solid var(--card-accent-1); }
.github-stat-card:nth-child(2) { border-top: 4px solid var(--card-accent-2); }
.github-stat-card:nth-child(3) { border-top: 4px solid var(--card-accent-3); }
.github-stat-card:nth-child(4) { border-top: 4px solid var(--card-accent-4); }

.github-stat-card:hover {
    transform: translate(-3px, 3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
}

.github-stat-card i {
    font-size: 2rem;
    color: var(--icon-accent-1);
}

.github-stat-card:nth-child(2) i { color: var(--icon-accent-2); }
.github-stat-card:nth-child(3) i { color: var(--icon-accent-3); }
.github-stat-card:nth-child(4) i { color: var(--accent-teal); }

.github-stat-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-charcoal);
    font-family: 'JetBrains Mono', monospace;
    margin: 0;
}

.github-stat-card p {
    font-size: var(--fs-small);
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin: 0;
}

.github-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
}

.github-section {
    background: var(--surface-raised);
    padding: 1.5rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.github-section:hover {
    transform: translate(-2px, 2px);
    box-shadow: -6px 6px 0px var(--shadow-color);
}

.github-section-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-charcoal);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: var(--border-width) solid var(--border-color);
    padding-bottom: 0.75rem;
}

.github-section-title i {
    color: var(--icon-color);
}

.activity-list,
.repos-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-loading,
.repos-loading,
.github-empty,
.github-error {
    text-align: center;
    padding: 2rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
}

.github-error {
    color: var(--accent-coral);
}

.activity-loading i,
.repos-loading i {
    color: var(--icon-color);
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.activity-item {
    padding: 1rem;
    background: var(--surface-inset);
    border: var(--border-width) solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    gap: 1rem;
}

.activity-item:hover {
    transform: translateX(-3px);
    box-shadow: -3px 3px 0px var(--shadow-color);
}

.activity-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-raised);
    border: var(--border-width) solid var(--border-color);
    color: var(--icon-color);
    font-size: 1rem;
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-content h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--text-charcoal);
    margin-bottom: 0.25rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-content p {
    font-size: 0.8rem;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.4;
}

.activity-meta {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    margin-top: 0.25rem;
}

.repo-item {
    padding: 1rem;
    background: var(--surface-inset);
    border: var(--border-width) solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.repo-item:hover {
    transform: translateX(-3px);
    box-shadow: -3px 3px 0px var(--shadow-color);
}

.repo-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.repo-header i {
    color: var(--icon-color);
    font-size: 1rem;
}

.repo-header a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-charcoal);
    text-decoration: none;
    transition: color 0.2s ease;
}

.repo-header a:hover {
    color: var(--accent-cyan);
}

.repo-description {
    font-size: 0.85rem;
    color: var(--text-dark);
    line-height: 1.4;
    margin: 0;
}

.repo-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.repo-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
}

.repo-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.repo-stats i {
    color: var(--accent-yellow);
    font-size: 0.75rem;
}

.repo-language {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--surface-raised);
    border: 1px solid var(--border-color);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact */
.contact {
    background: var(--bg-beige);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
}

.contact-description {
    font-size: var(--fs-lead);
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-weight: 500;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-raised);
    border: var(--border-width) solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.contact-detail:hover {
    transform: translateX(-3px);
    box-shadow: -5px 5px 0px var(--shadow-color);
    background: var(--surface-elevated);
}

.contact-detail i {
    font-size: 1.3rem;
    color: var(--icon-color);
    flex-shrink: 0;
}

.contact-detail a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--fs-body);
    word-break: break-word;
}

.contact-detail a:hover {
    color: var(--accent-cyan);
}

.contact-form-section {
    background: var(--surface-raised);
    padding: 2rem;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--fs-small);
    letter-spacing: 0.05em;
    color: var(--text-charcoal);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--fs-body);
    background: var(--surface-inset);
    border: var(--border-width) solid var(--border-color);
    color: var(--text-dark);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: -3px 3px 0px var(--accent-cyan);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    border: var(--border-width) solid var(--border-color);
    display: none;
}

.form-status.success {
    display: block;
    background: var(--accent-teal);
    color: var(--bg-white);
}

.form-status.error {
    display: block;
    background: var(--accent-coral);
    color: var(--bg-white);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--surface-raised);
    color: var(--text-dark);
    border-top: var(--border-width) solid var(--border-color);
    font-weight: 500;
    font-size: var(--fs-small);
}

/* Fade-in animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 960px) {
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .github-content-grid {
        grid-template-columns: 1fr;
    }

    .github-stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--surface-raised);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: -5px 5px 10px var(--nav-shadow);
        padding: 2rem 0;
        border-bottom: var(--border-width) solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .stat {
        max-width: 300px;
        margin: 0 auto;
        width: 100%;
    }

    section {
        padding: 2rem 0;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .hero {
        padding: 4rem 1rem 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .theme-toggle {
        margin-left: 0.75rem;
    }

    .contact-form-section {
        padding: 1.5rem;
    }
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    html {
        scroll-behavior: auto;
    }

    .fade-in {
        opacity: 1;
        transform: none;
    }
}