/* ============================================================
   Mohammed Wasim Khan — Premium Portfolio Theme
   Design: Dark luxury with warm accent, micro-interactions
   ============================================================ */

:root {
    --bg-base: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --text-primary: #f5f5f5;
    --text-secondary: #8a8a8a;
    --text-muted: #555555;

    --accent: #f46c38;
    --accent-glow: rgba(244, 108, 56, 0.15);
    --accent-hover: #ff8555;
    --green: #c5ff41;
    --green-glow: rgba(197, 255, 65, 0.12);
    --blue: #60a5fa;
    --blue-glow: rgba(96, 165, 250, 0.12);
    --purple: #a78bfa;
    --purple-glow: rgba(167, 139, 250, 0.12);

    --sidebar-bg: #ffffff;

    --font-heading: 'Satoshi', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

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

    --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 4px 20px rgba(0,0,0,0.15);
    --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.4), 0 8px 32px rgba(0,0,0,0.2);
    --shadow-sidebar: 0 10px 50px rgba(0,0,0,0.5);
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    cursor: none;
    overflow-x: hidden;
}
a, button { cursor: none; text-decoration: none; color: inherit; }

/* ---- Custom Cursor ---- */
.cursor-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    transform: translate(-50%, -50%);
    z-index: 99999;
    pointer-events: none;
    transition: transform 0.1s ease;
}
.cursor-outline {
    width: 40px; height: 40px;
    border: 1.5px solid rgba(244, 108, 56, 0.4);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    transform: translate(-50%, -50%);
    z-index: 99998;
    pointer-events: none;
}
.cursor-dot.hovering { transform: translate(-50%, -50%) scale(2); }
.cursor-outline.hovering { width: 60px; height: 60px; border-color: var(--accent); }

@media (max-width: 1024px) {
    .cursor-dot, .cursor-outline { display: none !important; }
    body { cursor: auto; }
    a, button { cursor: pointer; }
}

/* ---- Page Loader ---- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--bg-base);
    z-index: 100000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 48vh;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-bar {
    width: 120px;
    height: 3px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.loader-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    animation: loaderSlide 1s ease-in-out infinite;
    border-radius: 3px;
}
@keyframes loaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

/* ---- Layout ---- */
.layout-wrapper {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
    gap: 56px;
    position: relative;
}

/* ---- LEFT SIDEBAR ---- */
.sidebar {
    width: 360px;
    flex-shrink: 0;
    position: sticky;
    top: 40px;
    height: calc(100vh - 80px);
    z-index: 10;
}
.profile-card {
    background: var(--sidebar-bg);
    border-radius: var(--radius-xl);
    padding: 28px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-sidebar);
}
.profile-img-wrap {
    width: 100%;
    height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 22px;
    background: linear-gradient(135deg, var(--accent), #e85d2a);
    position: relative;
}
.profile-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent 40%);
    pointer-events: none;
}
.profile-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    mix-blend-mode: multiply;
    filter: grayscale(100%) contrast(1.15);
    transition: filter 0.6s ease;
}
.profile-card:hover .profile-img-wrap img {
    filter: grayscale(30%) contrast(1.1);
}
.profile-name {
    color: #000;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.profile-role {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    justify-content: center;
}
.role-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 12px;
    border-radius: 100px;
    background: var(--accent);
    color: #fff;
}
.role-badge--green { background: #1a1a1a; color: var(--green); }
.profile-bio {
    color: #666;
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 20px;
    padding: 0 8px;
}
.profile-quick-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    width: 100%;
    justify-content: center;
}
.quick-stat {
    text-align: center;
    padding: 12px 16px;
    background: #f7f7f7;
    border-radius: var(--radius-sm);
    flex: 1;
}
.quick-stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    line-height: 1.2;
}
.quick-stat-label {
    font-size: 0.65rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}
.social-links {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.social-links a {
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 1.5px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    transition: all 0.3s ease;
}
.social-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244,108,56,0.2);
}
.btn-resume {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 20px;
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    margin-top: auto;
}
.btn-resume:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(244,108,56,0.3);
}

/* ---- RIGHT CONTENT ---- */
.content-area {
    flex-grow: 1;
    padding-bottom: 120px;
    min-width: 0;
}

/* ---- Floating Nav ---- */
.top-nav {
    display: flex;
    gap: 12px;
    background: rgba(17, 17, 19, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-subtle);
    padding: 10px 18px;
    border-radius: 100px;
    width: fit-content;
    margin: 0 auto 80px auto;
    position: sticky;
    top: 16px;
    z-index: 100;
}
.nav-icon {
    color: var(--text-muted);
    padding: 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-icon:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-icon.active { color: var(--bg-base); background: #fff; }

/* ---- Typography ---- */
.section-hero, .section-contributions, .section-projects,
.section-skills, .section-experience, .section-contact {
    margin-bottom: 120px;
}
.hero-text-solid, .section-heading-solid {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 5.5rem);
    color: #fff;
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -2px;
}
.hero-text-faded, .section-heading-faded {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 5.5rem);
    color: rgba(255, 255, 255, 0.07);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -2px;
    margin-bottom: 30px;
}
.section-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 50px;
    line-height: 1.7;
}

/* ---- Hero Section ---- */
.section-hero { margin-bottom: 100px; }
.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeUp 0.8s 0.3s forwards ease-out;
}
.hero-text-solid {
    opacity: 0;
    animation: fadeUp 0.8s 0.4s forwards ease-out;
}
.hero-text-faded {
    opacity: 0;
    animation: fadeUp 0.8s 0.5s forwards ease-out;
}
.hero-title-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.6s forwards ease-out;
}
.hero-title-badge {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(244,108,56,0.2);
}
.hero-title-badge--green {
    background: var(--green-glow);
    color: var(--green);
    border-color: rgba(197,255,65,0.2);
}
.hero-title-badge--blue {
    background: var(--blue-glow);
    color: var(--blue);
    border-color: rgba(96,165,250,0.2);
}
.hero-title-divider { color: var(--text-muted); font-weight: 300; }
.hero-subtext {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 0.8s 0.7s forwards ease-out;
}
.hero-subtext strong { color: var(--text-primary); font-weight: 600; }
.stats-row {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.8s 0.8s forwards ease-out;
    flex-wrap: wrap;
}
.stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}
.stat:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}
.stat-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}
.stat-lbl {
    font-size: 0.68rem;
    color: var(--text-secondary);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    line-height: 1.3;
}
.hero-cta-row {
    display: flex;
    gap: 16px;
    opacity: 0;
    animation: fadeUp 0.8s 0.9s forwards ease-out;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(244,108,56,0.3);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-hover);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}
.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255,255,255,0.03);
    transform: translateY(-2px);
}

/* ---- Contributions Section ---- */
.contributions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.contrib-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.contrib-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.contrib-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
.contrib-card:hover::before { opacity: 1; }
.contrib-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}
.contrib-org {
    display: flex;
    align-items: center;
    gap: 10px;
}
.contrib-org-avatar {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
}
.contrib-org-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}
.contrib-repo {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}
.contrib-pr-count {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--accent-glow);
    color: var(--accent);
    white-space: nowrap;
}
.contrib-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}
.contrib-prs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.contrib-pr {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}
.contrib-pr:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--border-subtle);
}
.contrib-pr-type {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 4px;
    flex-shrink: 0;
}
.contrib-pr-type.feat { background: rgba(96,165,250,0.15); color: var(--blue); }
.contrib-pr-type.fix { background: rgba(197,255,65,0.15); color: var(--green); }
.contrib-pr-type.docs { background: rgba(167,139,250,0.15); color: var(--purple); }
.contrib-pr-num {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    flex-shrink: 0;
}
.contrib-pr-title {
    font-size: 0.82rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.contrib-more {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: center;
    padding: 8px;
}

/* ---- Projects Section ---- */
.project-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.filter-btn {
    font-size: 0.82rem;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 100px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-family: var(--font-body);
}
.filter-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }
.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.project-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    gap: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.project-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.project-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
.project-card:hover::after { opacity: 1; }
.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.project-num {
    font-size: 3rem;
    font-family: var(--font-heading);
    color: rgba(255,255,255,0.06);
    line-height: 1;
    font-weight: 700;
}
.project-title-group { text-align: right; }
.project-title {
    font-size: 1.2rem;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 4px;
}
.project-category {
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 500;
}
.project-body h5 {
    font-size: 0.9rem;
    color: #fff;
    margin-bottom: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
}
.project-body p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
}
.project-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(255,255,255,0.03);
}
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    opacity: 0.85;
}
.project-card:hover .project-image img {
    transform: scale(1.05);
    opacity: 1;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.project-tag {
    font-size: 0.72rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 100px;
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}
.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
}
.project-stars {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.project-stars svg { width: 14px; height: 14px; }
.project-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}
.project-link:hover { gap: 10px; }

/* ---- Skills Section ---- */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.skill-group-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 10px;
}
.skill-group-title::before {
    content: '';
    width: 8px; height: 8px;
    border-radius: 2px;
    background: var(--accent);
    flex-shrink: 0;
}
.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}
.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}
.skill-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
.skill-item img {
    width: 40px; height: 40px;
    filter: grayscale(50%) opacity(0.7);
    transition: all 0.3s ease;
}
.skill-item:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}
.skill-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}
.skill-bar {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}
.skill-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.skill-item.visible .skill-bar-fill { width: var(--level); }

/* ---- Experience Section ---- */
.exp-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}
.exp-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}
.exp-item {
    display: flex;
    gap: 24px;
    padding: 30px 0;
    position: relative;
}
.exp-dot {
    width: 42px; height: 42px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    border: 2px solid var(--border-subtle);
    background: var(--bg-base);
}
.exp-dot svg { width: 18px; height: 18px; color: var(--text-muted); }
.exp-dot.work { border-color: var(--accent); background: var(--accent-glow); }
.exp-dot.work svg { color: var(--accent); }
.exp-dot.research { border-color: var(--blue); background: var(--blue-glow); }
.exp-dot.research svg { color: var(--blue); }
.exp-dot.education { border-color: var(--green); background: var(--green-glow); }
.exp-dot.education svg { color: var(--green); }
.exp-content {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    flex: 1;
    transition: all 0.3s ease;
}
.exp-content:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}
.exp-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 4px;
}
.exp-org {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 12px;
}
.exp-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.exp-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ---- Contact Section ---- */
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-item {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 22px 28px;
    transition: all 0.3s ease;
}
.contact-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateX(8px);
}
.contact-icon {
    width: 52px; height: 52px;
    background: rgba(255,255,255,0.05);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-right: 20px;
    flex-shrink: 0;
}
.contact-info { flex: 1; }
.contact-info h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 2px;
}
.contact-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.contact-arrow {
    color: var(--text-muted);
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.contact-item:hover .contact-arrow {
    color: var(--accent);
    transform: translate(4px, -4px);
}

/* ---- Animations ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- Skill Group ---- */
.skill-group { margin-bottom: 10px; }

/* ---- Mobile Hamburger Menu ---- */
.mobile-menu-btn {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: #fff;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(244,108,56,0.4);
    transition: all 0.3s ease;
}
.mobile-menu-btn:hover { transform: scale(1.1); }
.mobile-menu-btn svg { width: 24px; height: 24px; }

.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 11, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}
.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}
.mobile-nav a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s ease;
    text-decoration: none;
}
.mobile-nav a:hover { color: var(--accent); }

/* ---- Accessibility: Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .page-loader { display: none !important; }
    .reveal { opacity: 1 !important; transform: none !important; }
    html { scroll-behavior: auto; }
}

/* ---- Responsive ---- */
@media (max-width: 1200px) {
    .projects-grid { grid-template-columns: 1fr; }
    .contributions-grid { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
    .layout-wrapper {
        flex-direction: column;
        padding: 20px;
        gap: 30px;
    }
    .sidebar {
        width: 100%;
        position: relative;
        top: 0;
        height: auto;
    }
    .profile-card {
        padding: 24px;
        border-radius: var(--radius-lg);
    }
    .profile-img-wrap { height: 260px; }
    .mobile-menu-btn { display: flex; }
    .mobile-nav { display: flex; }
    .stats-row { gap: 12px; }
    .stat { padding: 12px 16px; }
    .stat-num { font-size: 1.8rem; }
    .hero-title-row { gap: 8px; }
    .skill-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
    .exp-timeline::before { left: 16px; }
    .exp-dot { width: 34px; height: 34px; }
    .exp-dot svg { width: 14px; height: 14px; }
}
@media (max-width: 640px) {
    .hero-text-solid, .hero-text-faded { font-size: 2.5rem; letter-spacing: -1px; }
    .section-heading-solid, .section-heading-faded { font-size: 2.5rem; }
    .stats-row { flex-direction: column; }
    .contributions-grid { grid-template-columns: 1fr; }
    .skill-grid { grid-template-columns: repeat(3, 1fr); }
}