/* ====== Design Tokens ====== */
:root {
    --bg: #0b0f14;
    --panel: #0f141b;
    --muted: #94a3b8;
    --text: #e6edf3;
    --accent: #64ffda;
    --accent-2: #a78bfa;
    --border: #1f2937;
    --code: #0a0f1a;
    --radius: 14px;
    --shadow: 0 10px 30px -10px rgba(2,12,27,.7);
    --maxw: 1100px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f8fafc;
        --panel: #ffffff;
        --muted: #475569;
        --text: #0f172a;
        --border: #e2e8f0;
        --code: #0b1020;
        --shadow: 0 10px 24px -12px rgba(2,12,27,.18);
    }
}

/* ====== Global Reset & Base Styles ====== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(1200px 800px at 20% -10%, rgba(100,255,218,.08), transparent 60%), 
                radial-gradient(1000px 700px at 120% 10%, rgba(167,139,250,.08), transparent 60%), 
                var(--bg);
    line-height: 1.6;
    min-height: 100vh;
}

/* Reset default link styles */
a {
    color: inherit;
    text-decoration: none;
}

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

img {
    max-width: 100%;
    display: block;
}

code, pre {
    font-family: ui-monospace, 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    color: var(--text);
}

p {
    margin: 0 0 1rem;
}

ul {
    margin: 0;
    padding: 0;
}

/* ====== Layout ====== */
.shell {
    max-width: var(--maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2.2fr;
    gap: 48px;
    padding: 32px 20px 80px;
}

@media (max-width: 960px) {
    .shell {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ====== Sidebar ====== */
.side {
    position: sticky;
    top: 24px;
    align-self: start;
    padding: 28px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.name {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 800;
    letter-spacing: .2px;
    color: var(--text);
}

.tagline {
    color: var(--muted);
    margin-top: 6px;
    font-size: 15px;
}

.social {
    display: flex;
    gap: 14px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    color: var(--muted);
    transition: transform .2s ease, border-color .2s ease, color .2s ease;
    text-decoration: none;
}

.pill:hover {
    transform: translateY(-2px);
    color: var(--text);
    border-color: var(--accent);
}

.nav {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
}

.nav a {
    display: block;
    padding: 10px 0 10px 10px;
    color: var(--muted);
    border-left: 2px solid transparent;
    transition: all 0.3s ease;
}

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

.nav a.active {
    color: var(--text);
    border-left-color: var(--accent);
}

.resume {
    display: inline-block;
    margin-top: 22px;
    font-weight: 600;
    letter-spacing: .3px;
    color: var(--bg);
    background: var(--accent);
    padding: 10px 14px;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(100,255,218,.25);
    text-decoration: none;
    transition: all 0.3s ease;
}

.resume:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(100,255,218,.35);
    color: var(--bg);
}

/* ====== Sections ====== */
section {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.stack {
    display: grid;
    gap: 28px;
}

.eyebrow {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: .2em;
    text-transform: uppercase;
    font-weight: 600;
}

h1 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    margin: 8px 0 16px;
}

h2 {
    margin: 6px 0 14px;
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 700;
}

.lead {
    color: var(--muted);
    font-size: 18px;
    font-weight: 400;
}

/* ====== About Section ====== */
.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.chip {
    display: inline-block;
    padding: 6px 14px;
    margin: 4px;
    border-radius: 25px;
    font-size: .9rem;
    background: rgba(100,255,218,.1);
    color: var(--text);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    cursor: default;
}

.chip:hover {
    background: var(--accent);
    color: var(--bg);
    transform: scale(1.05);
}

/* ====== Experience Section ====== */
.timeline {
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(var(--accent), transparent);
    opacity: .5;
}

.job {
    position: relative;
    padding-left: 36px;
    margin-bottom: 20px;
}

.job + .job {
    margin-top: 18px;
}

.job h3 {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.job .meta {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.job ul {
    margin: 8px 0 0 18px;
    list-style-type: disc;
}

.job li {
    color: var(--muted);
    margin-bottom: 4px;
    line-height: 1.5;
}

.dot {
    position: absolute;
    left: 6px;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(100,255,218,.15);
    animation: pulse 2s infinite;
}

/* ====== Projects Section ====== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(100,255,218,.04), rgba(167,139,250,.04));
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 16px 34px -18px rgba(100,255,218,.35);
}

.card .body {
    padding: 18px;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.card p {
    margin: 0 0 12px;
    color: var(--muted);
    line-height: 1.5;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.badge {
    font-size: 12px;
    border: 1px dashed var(--border);
    padding: 6px 8px;
    border-radius: 999px;
    color: var(--muted);
    background: transparent;
}

/* ====== Contact Section ====== */
.contactbox {
    display: grid;
    gap: 16px;
    text-align: center;
}

.cta {
    justify-self: center;
    color: var(--bg);
    background: var(--accent);
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(100,255,218,.25);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(100,255,218,.35);
    color: var(--bg);
}

/* ====== Footer ====== */
footer {
    text-align: center;
    color: var(--muted);
    font-size: 14px;
    margin-top: 20px;
    padding: 20px 0;
}

/* ====== Animations & Motion ====== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s ease, transform .6s ease;
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: .7;
    }
}

/* ====== Responsive Design ====== */
@media (max-width: 768px) {
    .shell {
        padding: 20px 16px 60px;
        gap: 20px;
    }
    
    .side {
        position: static;
        padding: 20px;
    }
    
    section {
        padding: 20px;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .social {
        gap: 10px;
    }
    
    .pill {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* ====== Accessibility & Motion Preferences ====== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal, .reveal.show {
        transition: none;
        transform: none;
        opacity: 1;
    }

    .pill:hover, 
    .card:hover, 
    .resume:hover, 
    .cta:hover,
    .chip:hover {
        transform: none;
    }
    
    .dot {
        animation: none;
    }
}