/* ============================================
   Portfolio + GitHub Dashboard
   Premium Dark Theme — Professional Edition
   ============================================ */

/* ── Custom Properties ── */
:root {
    --bg-0: #050609;
    --bg-1: #0a0e17;
    --bg-2: #111827;
    --bg-3: #1e293b;

    --glass: rgba(15, 20, 35, 0.65);
    --glass-border: rgba(99, 102, 241, 0.12);
    --glass-border-hover: rgba(139, 92, 246, 0.35);
    --glass-highlight: rgba(99, 102, 241, 0.06);

    --text-1: #f1f5f9;
    --text-2: #cbd5e1;
    --text-3: #94a3b8;
    --text-4: #64748b;

    --indigo: #818cf8;
    --indigo-deep: #6366f1;
    --violet: #a78bfa;
    --violet-deep: #8b5cf6;
    --cyan: #22d3ee;
    --emerald: #34d399;
    --amber: #fbbf24;
    --rose: #fb7185;
    --pink: #f472b6;

    --gradient-brand: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 50%, var(--cyan) 100%);
    --gradient-text: linear-gradient(135deg, #e0e7ff 0%, var(--indigo) 40%, var(--violet) 70%, var(--cyan) 100%);
    --gradient-card: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.04));

    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --display: 'Space Grotesk', 'Inter', sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    --section-gap: 120px;
    --container: 1200px;
}

/* ── Reset ── */
*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--sans);
    background: var(--bg-0);
    color: var(--text-1);
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: var(--indigo); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--violet); }

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

/* ── Canvas ── */
#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ── Glass Card ── */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: border-color 0.35s var(--ease-out), transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -15px rgba(99,102,241,0.15);
}

/* ── Section Shared ── */
.section {
    position: relative;
    z-index: 1;
    padding: var(--section-gap) 0;
}

.section-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    color: var(--indigo);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-heading {
    font-family: var(--display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 3rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(5, 6, 9, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s;
}

#navbar.scrolled {
    border-bottom-color: var(--glass-border);
    background: rgba(5, 6, 9, 0.92);
}

.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-1);
    font-weight: 700;
    font-size: 1.05rem;
}

.nav-logo:hover { color: var(--text-1); }

.logo-icon {
    width: 38px; height: 38px;
    border-radius: var(--radius-md);
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.1rem;
    color: white;
    box-shadow: 0 0 24px rgba(99,102,241,0.35);
}

.logo-icon.small {
    width: 30px; height: 30px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-family: var(--mono);
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    color: var(--text-3);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.nav-link:hover {
    color: var(--text-1);
    background: var(--glass-highlight);
}

.nav-link.active {
    color: var(--indigo);
    background: rgba(99,102,241,0.1);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-2);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.25s;
}

.nav-cta:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-1);
    background: rgba(99,102,241,0.08);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-2);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ============================================
   Hero
   ============================================ */
.hero-section {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 80px;
    gap: 4rem;
    max-width: var(--container);
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 620px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: rgba(52,211,153,0.08);
    border: 1px solid rgba(52,211,153,0.2);
    color: var(--emerald);
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--emerald);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
    50% { box-shadow: 0 0 0 6px rgba(52,211,153,0); }
}

.hero-greeting {
    display: block;
    font-family: var(--mono);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 400;
    color: var(--text-3);
    margin-bottom: 0.25rem;
    -webkit-text-fill-color: unset;
    background: none;
}

.hero-title {
    font-family: var(--display);
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.hero-name {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--text-3);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 520px;
}

.accent-sep {
    color: var(--violet);
    margin: 0 2px;
    opacity: 0.5;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 2.5rem;
    padding: 20px 28px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
}

.hero-stat {
    text-align: center;
    flex: 1;
}

.hero-stat-value {
    display: block;
    font-family: var(--display);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-variant-numeric: tabular-nums;
}

.hero-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-4);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
    margin: 0 4px;
    flex-shrink: 0;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.5);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-2);
}

.btn-outline:hover {
    border-color: var(--glass-border-hover);
    background: rgba(99,102,241,0.06);
    color: var(--text-1);
    transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
    flex-shrink: 0;
}

.hero-avatar-container {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    border: 3px solid rgba(99,102,241,0.3);
}

.avatar-glow {
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99,102,241,0.2), transparent 70%);
    z-index: 1;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; }
}

.avatar-orbit {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 1px dashed rgba(99,102,241,0.15);
    animation: orbitSpin 25s linear infinite;
    z-index: 3;
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-dot {
    position: absolute;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    animation: orbitSpin 25s linear infinite reverse;
}

.orbit-dot-1 { top: -20px; left: 50%; transform: translateX(-50%); }
.orbit-dot-2 { bottom: 20px; left: -10px; }
.orbit-dot-3 { bottom: 20px; right: -10px; }

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-arrow {
    width: 24px;
    height: 38px;
    border-radius: 12px;
    border: 2px solid rgba(99,102,241,0.25);
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--indigo);
    border-radius: 4px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.3; }
}

/* ============================================
   Activity Viewer
   ============================================ */
.activity-viewer-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.heatmap-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.heatmap-card h3 {
    font-family: var(--display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-1);
    letter-spacing: 0.02em;
}

.heatmap-wrapper {
    width: 100%;
    overflow-x: auto;
    display: flex;
    justify-content: center;
    padding: 0.5rem 0;
}

.heatmap-wrapper img {
    max-width: 100%;
    height: auto;
    min-width: 720px;
}

.stats-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stats-widget-card {
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    min-height: 200px;
}

.stats-widget-card img {
    max-width: 100%;
    height: auto;
}

.custom-stats-inner {
    width: 100%;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0.5rem;
}

.custom-stats-title {
    font-family: var(--display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--indigo);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.custom-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
    align-items: center;
    flex: 1;
}

.custom-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.custom-stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.08);
    color: var(--indigo);
    flex-shrink: 0;
}

.custom-stat-icon.star { background: rgba(251, 191, 36, 0.08); color: var(--amber); }
.custom-stat-icon.repo { background: rgba(129, 140, 248, 0.08); color: var(--indigo); }
.custom-stat-icon.followers { background: rgba(52, 211, 153, 0.08); color: var(--emerald); }
.custom-stat-icon.pages { background: rgba(34, 211, 238, 0.08); color: var(--cyan); }

.custom-stat-icon svg {
    width: 20px;
    height: 20px;
}

.custom-stat-info {
    display: flex;
    flex-direction: column;
}

.custom-stat-num {
    font-family: var(--display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-1);
    line-height: 1.2;
}

.custom-stat-label {
    font-size: 0.75rem;
    color: var(--text-3);
    font-weight: 500;
}

/* ============================================
   Skills
   ============================================ */
.skills-bar-wrap {
    margin-bottom: 2rem;
}

.skills-bar {
    height: 10px;
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
    background: var(--bg-3);
}

.skills-bar-seg {
    height: 100%;
    transition: width 1.2s var(--ease-out);
    min-width: 4px;
    cursor: pointer;
    position: relative;
}

.skills-bar-seg:hover {
    filter: brightness(1.3);
}

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

.skill-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: all 0.25s var(--ease-out);
    cursor: default;
}

.skill-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.skill-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px currentColor;
}

.skill-name {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-2);
    flex: 1;
}

.skill-pct {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-4);
}

.skill-repos {
    font-size: 0.72rem;
    color: var(--text-4);
}

/* ============================================
   Projects
   ============================================ */
.projects-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-4);
    flex: 1;
    min-width: 200px;
    max-width: 320px;
    transition: all 0.25s;
}

.search-box:focus-within {
    border-color: var(--indigo);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.search-box input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-1);
    font-family: var(--sans);
    font-size: 0.88rem;
    width: 100%;
}

.search-box input::placeholder { color: var(--text-4); }

.filter-group {
    display: flex;
    gap: 6px;
}

.chip {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-4);
    font-family: var(--sans);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.chip:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-2);
}

.chip.active {
    background: var(--gradient-brand);
    border-color: transparent;
    color: white;
    box-shadow: 0 2px 12px rgba(99,102,241,0.3);
}

.custom-select {
    position: relative;
    user-select: none;
    font-size: 0.8rem;
    font-weight: 500;
    min-width: 170px;
    z-index: 99;
}

.select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: var(--glass);
    color: var(--text-3);
    cursor: pointer;
    transition: all 0.2s;
}

.select-trigger:hover {
    border-color: var(--glass-border-hover);
    color: var(--text-1);
    background: rgba(99, 102, 241, 0.08);
}

.custom-select.open .select-trigger {
    border-color: var(--indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.custom-select.open .select-trigger svg {
    transform: rotate(180deg);
}

.select-trigger svg {
    transition: transform 0.25s;
    color: var(--text-4);
}

.select-options {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s var(--ease-out);
    overflow: hidden;
    z-index: 100;
}

.custom-select.open .select-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.select-option {
    padding: 10px 16px;
    color: var(--text-3);
    cursor: pointer;
    transition: all 0.2s;
}

.select-option:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-1);
}

.select-option.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--indigo);
    font-weight: 600;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.25rem;
}

.project-card {
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    animation: fadeUp 0.6s var(--ease-out) backwards;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity 0.35s;
    pointer-events: none;
}

.project-card:hover::after {
    opacity: 1;
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.project-name {
    font-family: var(--display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-1);
    display: flex;
    align-items: center;
    gap: 8px;
    word-break: break-word;
}

.project-name svg {
    color: var(--text-4);
    flex-shrink: 0;
}

.project-badges {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.badge-pages {
    background: rgba(34,211,238,0.12);
    color: var(--cyan);
    border: 1px solid rgba(34,211,238,0.2);
}

.badge-fork {
    background: rgba(244,114,182,0.12);
    color: var(--pink);
    border: 1px solid rgba(244,114,182,0.2);
}

.badge-archived {
    background: rgba(251,191,36,0.12);
    color: var(--amber);
    border: 1px solid rgba(251,191,36,0.2);
}

.project-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.topic-tag {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: rgba(99,102,241,0.08);
    color: var(--indigo);
    font-size: 0.7rem;
    font-weight: 500;
}

.project-desc {
    color: var(--text-3);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.project-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.8rem;
    color: var(--text-4);
    position: relative;
    z-index: 1;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.project-meta-item svg {
    width: 14px; height: 14px;
}

.lang-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.project-visit {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 1rem;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: rgba(34,211,238,0.08);
    border: 1px solid rgba(34,211,238,0.18);
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s;
    position: relative;
    z-index: 1;
}

.project-visit:hover {
    background: rgba(34,211,238,0.18);
    color: var(--cyan);
    transform: translateX(4px);
}

.projects-empty {
    text-align: center;
    padding: 4rem;
    color: var(--text-4);
}

.projects-empty svg {
    margin-bottom: 1rem;
    opacity: 0.2;
}

.hidden { display: none !important; }

/* ============================================
   Activity
   ============================================ */
.activity-feed {
    padding: 1.5rem 2rem;
}

.activity-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(99,102,241,0.06);
    animation: fadeUp 0.4s var(--ease-out) backwards;
}

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

.activity-dot {
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.activity-dot.push { background: rgba(52,211,153,0.1); }
.activity-dot.create { background: rgba(129,140,248,0.1); }
.activity-dot.star { background: rgba(251,191,36,0.1); }
.activity-dot.fork { background: rgba(244,114,182,0.1); }
.activity-dot.issue { background: rgba(34,211,238,0.1); }
.activity-dot.pr { background: rgba(167,139,250,0.1); }
.activity-dot.delete { background: rgba(251,113,133,0.1); }
.activity-dot.release { background: rgba(52,211,153,0.1); }
.activity-dot.default { background: rgba(100,116,139,0.1); }

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

.activity-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-2);
    margin-bottom: 2px;
}

.activity-title a {
    font-weight: 600;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-4);
    font-family: var(--mono);
}

/* ============================================
   Contact
   ============================================ */
.contact-section {
    text-align: center;
}

.contact-subtitle {
    color: var(--text-3);
    font-size: 1.05rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    padding: 2rem;
    text-align: center;
    color: var(--text-2);
    display: block;
}

.contact-card:hover {
    color: var(--text-1);
}

.contact-card-icon {
    width: 56px; height: 56px;
    border-radius: var(--radius-md);
    background: rgba(99,102,241,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--indigo);
}

.contact-card h3 {
    font-family: var(--display);
    font-size: 1rem;
    margin-bottom: 0.35rem;
    color: var(--text-1);
}

.contact-card p {
    color: var(--text-3);
    font-size: 0.85rem;
}

/* ============================================
   Footer
   ============================================ */
#footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--glass-border);
    margin-top: 2rem;
}

.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-2);
}

.footer-copy {
    color: var(--text-4);
    font-size: 0.82rem;
}

.footer-update {
    color: var(--text-4);
    font-family: var(--mono);
    font-size: 0.75rem;
}

/* ============================================
   Skeleton Loaders
   ============================================ */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.25rem;
    grid-column: 1 / -1;
}

.skeleton-card {
    height: 190px;
    border-radius: var(--radius-lg);
    background: linear-gradient(90deg, rgba(99,102,241,0.04) 25%, rgba(99,102,241,0.08) 50%, rgba(99,102,241,0.04) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-lines {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 1rem 0;
}

.skeleton-line {
    height: 14px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, rgba(99,102,241,0.04) 25%, rgba(99,102,241,0.08) 50%, rgba(99,102,241,0.04) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-line.short { width: 55%; }

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Scroll Animations
   ============================================ */
.js-scroll .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.js-scroll .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.18); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.35); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    .hero-content { max-width: 100%; }
    .hero-tagline { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-avatar-container { width: 260px; height: 260px; }
    .hero-avatar { width: 160px; height: 160px; }
    .avatar-glow { width: 190px; height: 190px; }
    .avatar-orbit { width: 240px; height: 240px; }
    .stats-cards-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --section-gap: 80px; }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        flex-direction: column;
        background: rgba(5,6,9,0.97);
        backdrop-filter: blur(20px);
        padding: 1rem;
        border-bottom: 1px solid var(--glass-border);
        gap: 2px;
    }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; }
    .nav-cta { display: none; }

    .hero-stats {
        flex-wrap: wrap;
        gap: 0;
    }
    .hero-stat {
        flex: 0 0 50%;
        padding: 8px 0;
    }
    .hero-stat-divider {
        display: none;
    }

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

    .projects-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box { max-width: 100%; }
    .filter-group {
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    .hero-avatar-container { width: 200px; height: 200px; }
    .hero-avatar { width: 120px; height: 120px; }
    .avatar-glow { width: 150px; height: 150px; }
    .avatar-orbit { width: 180px; height: 180px; }
    .orbit-dot { width: 30px; height: 30px; font-size: 0.85rem; }
    .section-heading { font-size: 1.75rem; }
}