/* =====================================================
   HSNVUSAL PORTFOLIO - PROFESSIONAL DARK THEME
   ===================================================== */

:root {
    /* Colors */
    --bg-primary: #1e2130;
    --bg-secondary: #262a3b;
    --bg-card: #2e3346;
    --bg-card-hover: #373d52;
    --bg-elevated: #333851;

    --text-primary: #f8f8fa;
    --text-secondary: #c4c4cf;
    --text-muted: #828593;

    --accent: #7c3aed;
    --accent-light: #a78bfa;
    --accent-dark: #5b21b6;
    --accent-glow: rgba(124, 58, 237, 0.35);
    --accent-subtle: rgba(124, 58, 237, 0.08);

    --green: #34d399;
    --blue: #60a5fa;
    --pink: #f472b6;
    --orange: #fb923c;
    --yellow: #fbbf24;
    --cyan: #22d3ee;
    --red: #ef4444;

    --border: rgba(255, 255, 255, 0.09);
    --border-hover: rgba(255, 255, 255, 0.16);
    --border-accent: rgba(124, 58, 237, 0.3);

    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --nav-height: 72px;
    --radius: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --max-width: 1200px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fc;
    --bg-card: #f1f3f8;
    --bg-card-hover: #e8ebf2;
    --bg-elevated: #edf0f7;

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;

    --accent: #7c3aed;
    --accent-light: #6d28d9;
    --accent-dark: #5b21b6;
    --accent-glow: rgba(124, 58, 237, 0.2);
    --accent-subtle: rgba(124, 58, 237, 0.06);

    --green: #059669;
    --blue: #2563eb;
    --pink: #db2777;
    --orange: #ea580c;
    --yellow: #ca8a04;
    --cyan: #0891b2;
    --red: #dc2626;

    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --border-accent: rgba(124, 58, 237, 0.25);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-dark) var(--bg-primary);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent); color: white; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* =====================================================
   LOADER
   ===================================================== */
.loader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loader-logo {
    width: 180px;
    margin-bottom: 32px;
    animation: loaderPulse 1.5s ease infinite;
    display: block;
}

@keyframes loaderPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.95); }
}

.loader-bar {
    width: 140px;
    height: 2px;
    background: var(--bg-card);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    animation: loadProgress 0.8s ease forwards;
}

@keyframes loadProgress { from { width: 0; } to { width: 100%; } }

/* =====================================================
   CUSTOM CURSOR
   ===================================================== */
.cursor, .cursor-follower { display: none; }

@media (min-width: 768px) and (pointer: fine) {
    body { cursor: none; }
    a, button, input, textarea, .nav-toggle { cursor: none; }

    .cursor {
        display: block;
        position: fixed;
        width: 6px;
        height: 6px;
        background: white;
        border-radius: 50%;
        pointer-events: none;
        z-index: 9999;
        transform: translate(-50%, -50%);
        mix-blend-mode: difference;
    }

    .cursor-follower {
        display: block;
        position: fixed;
        width: 36px;
        height: 36px;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        pointer-events: none;
        z-index: 9998;
        transform: translate(-50%, -50%);
        transition: transform 0.25s ease, opacity 0.25s ease, border-color 0.25s ease;
        mix-blend-mode: difference;
    }

    .cursor-follower.hover {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0.4;
        border-color: var(--accent-light);
    }
}

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }
.logo-image { height: 64px; transition: var(--transition); }
.logo-image:hover { opacity: 0.8; }

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

.nav-link {
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: -0.01em;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(9, 9, 11, 0.96);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 20px 32px 28px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        border-radius: var(--radius-sm);
        padding: 12px 16px;
    }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 16px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 32px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-hover);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: var(--accent-subtle);
    transform: translateY(-2px);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-full { width: 100%; justify-content: center; }

/* =====================================================
   HERO
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + 48px) 32px 0;
    position: relative;
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: rgba(124, 58, 237, 0.15);
    top: -10%;
    left: -5%;
    animation: glowFloat1 16s ease-in-out infinite;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(59, 130, 246, 0.08);
    bottom: -10%;
    right: -5%;
    animation: glowFloat2 20s ease-in-out infinite;
}

@keyframes glowFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, 30px) scale(1.1); }
}

@keyframes glowFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, -20px) scale(1.05); }
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 28px;
    animation: fadeInDown 0.8s ease both;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--green);
    border-radius: 50%;
    animation: dotPulse 2s ease infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-name {
    font-size: clamp(3rem, 6.5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-greeting {
    display: block;
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0;
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--green);
    margin-bottom: 24px;
    min-height: 1.6em;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.role-arrow {
    color: var(--text-muted);
    font-weight: 700;
}

.cursor-blink {
    animation: blink 1s step-end infinite;
    color: var(--green);
    font-weight: 300;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Code Window */
.hero-visual {
    animation: fadeInUp 0.8s ease 0.5s both;
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.03);
    position: relative;
}

.code-window::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.code-window-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
}

.window-dots { display: flex; gap: 8px; }

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.code-window-body { padding: 24px; }

.code-window-body pre {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 2;
    color: var(--text-secondary);
}

.json-key { color: var(--blue); }
.json-str { color: var(--green); }
.json-num { color: var(--orange); }
.json-bracket { color: var(--text-muted); }

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-badge { margin-left: auto; margin-right: auto; }
    .hero-description { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-role { justify-content: center; }
    .hero-visual { max-width: 480px; margin: 0 auto; }
}

@media (max-width: 600px) {
    .hero-visual { display: none; }
    .hero { padding-top: calc(var(--nav-height) + 60px); }
}

/* =====================================================
   STATS BAR
   ===================================================== */
.stats-bar {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.stat-item { text-align: center; }

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-plus {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-light);
}

.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border);
}

@media (max-width: 768px) {
    .stats-grid { gap: 24px; flex-wrap: wrap; }
    .stat-divider { display: none; }
    .stat-item { flex: 1; min-width: 120px; }
    .stat-number { font-size: 2rem; }
}

/* =====================================================
   SECTION HEADER (Home)
   ===================================================== */
.section-header-home {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-light);
    background: var(--accent-subtle);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header-home h2 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header-home p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* =====================================================
   TECH STACK
   ===================================================== */
.tech-stack {
    padding: 100px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.tech-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-light);
    background: var(--accent-subtle);
    border-radius: var(--radius-sm);
}

.tech-item span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

@media (max-width: 900px) {
    .tech-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
    .tech-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .tech-item { padding: 20px 12px; }
}

/* =====================================================
   SERVICES
   ===================================================== */
.services {
    padding: 100px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .services-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   FEATURED PROJECTS (Home)
   ===================================================== */
.featured-projects {
    padding: 100px 0;
}

.featured-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.featured-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 28px;
    align-items: start;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.featured-card:hover {
    border-color: var(--border-accent);
    transform: translateX(6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.featured-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    font-size: 1.8rem;
    color: var(--accent-light);
    flex-shrink: 0;
}

.featured-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.featured-body p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.featured-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.featured-tech span {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding: 4px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
}

.featured-cta {
    text-align: center;
    margin-top: 48px;
}

@media (max-width: 600px) {
    .featured-card {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .featured-icon {
        width: 56px;
        height: 56px;
        font-size: 1.4rem;
    }
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta-section {
    padding: 80px 0 100px;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 56px 64px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(59, 130, 246, 0.06) 100%);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
    opacity: 0.3;
}

.cta-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 40px 32px;
    }
}

/* =====================================================
   PAGE HEADER (Inner Pages)
   ===================================================== */
.page-header {
    padding: calc(var(--nav-height) + 72px) 0 56px;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.page-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
    position: relative;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    position: relative;
}

/* =====================================================
   ABOUT (Page)
   ===================================================== */
.about-section { padding: 60px 0 100px; }

.about-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 72px;
    align-items: start;
}

.about-avatar { position: relative; }

.avatar-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--accent-light);
}

.avatar-badge {
    position: absolute;
    bottom: -14px;
    right: -14px;
    background: var(--accent);
    color: white;
    padding: 10px 20px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 6px 20px var(--accent-glow);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-title.centered { text-align: center; }

.about-text-col p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-text-col strong {
    color: var(--accent-light);
    font-weight: 600;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 36px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
}

.highlight-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.highlight-card i {
    font-size: 1.5rem;
    color: var(--accent-light);
    margin-bottom: 14px;
}

.highlight-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.highlight-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-image-col { max-width: 260px; margin: 0 auto; }
    .about-highlights { grid-template-columns: 1fr; }
}

/* =====================================================
   SKILLS (Page)
   ===================================================== */
.skills-section { padding: 60px 0 100px; }

.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 56px;
    margin-top: 48px;
}

.skill-category h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category h3 i { color: var(--accent-light); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.skill-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.skill-card i {
    font-size: 2rem;
    color: var(--accent-light);
    margin-bottom: 14px;
}

.skill-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 14px; }

.skill-bar {
    height: 3px;
    background: rgba(255,255,255,0.04);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.skill-fill {
    height: 100%;
    width: var(--level);
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 3px;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-level-text {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

/* =====================================================
   PROJECTS (Page)
   ===================================================== */
.projects-section { padding: 40px 0 100px; }

.projects-filter {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 9px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 2px 12px var(--accent-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card.hidden { display: none; }

.project-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.project-icon {
    padding: 36px;
    background: linear-gradient(135deg, var(--accent-subtle) 0%, rgba(59, 130, 246, 0.04) 100%);
    text-align: center;
    font-size: 2.5rem;
    color: var(--accent-light);
    border-bottom: 1px solid var(--border);
}

.project-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-meta { margin-bottom: 14px; }

.project-category-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-light);
    background: var(--accent-subtle);
    padding: 5px 12px;
    border-radius: 100px;
}

.project-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.project-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 18px;
    flex: 1;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.project-tech span {
    font-size: 0.72rem;
    padding: 4px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.project-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.project-link:hover { color: var(--accent-light); }

@media (max-width: 768px) {
    .projects-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   CONTACT (Page)
   ===================================================== */
.contact-section { padding: 40px 0 100px; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 22px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.info-card:hover { border-color: var(--border-accent); }

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    color: var(--accent-light);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.info-card h4 {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.info-card a, .info-card span { color: var(--text-primary); font-size: 0.95rem; font-weight: 500; }
.info-card a:hover { color: var(--accent-light); }

.social-links { margin-top: 16px; }

.social-links h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    font-weight: 600;
}

.social-grid { display: flex; gap: 12px; }

.social-item {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-item:hover {
    border-color: var(--border-accent);
    color: var(--accent-light);
    background: var(--accent-subtle);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.contact-form { padding: 36px; }

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: -0.01em;
}

.form-group { margin-bottom: 22px; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea { resize: vertical; min-height: 130px; }

@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 28px;
    margin-top: 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.footer-logo-image { height: 52px; margin-bottom: 12px; }

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-social { display: flex; gap: 10px; }

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--border-accent);
    color: var(--accent-light);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.code-comment {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible { opacity: 1; transform: scale(1); }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

main { animation: fadeInUp 0.6s ease; }

/* =====================================================
   NAV ACTIONS (Theme Toggle + Lang Switcher)
   ===================================================== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle,
.lang-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.lang-toggle {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    width: auto;
    padding: 0 14px;
}

.theme-toggle:hover,
.lang-toggle:hover {
    background: var(--accent-subtle);
    border-color: var(--border-accent);
    color: var(--accent-light);
    transform: scale(1.05);
}

.theme-toggle i {
    transition: transform 0.4s ease;
}

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

@media (max-width: 768px) {
    .nav-actions {
        margin-right: 12px;
    }

    .theme-toggle,
    .lang-toggle {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .lang-toggle {
        width: auto;
        padding: 0 12px;
        font-size: 0.7rem;
    }
}

/* =====================================================
   404 ERROR PAGE
   ===================================================== */
.error-page {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 32px 80px;
    text-align: center;
}

.error-container {
    max-width: 560px;
}

.error-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.digit {
    font-size: clamp(5rem, 12vw, 8rem);
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.04em;
    opacity: 0.15;
}

.digit-middle {
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    color: var(--accent);
    animation: ghostFloat 3s ease-in-out infinite;
}

@keyframes ghostFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-12px) rotate(-5deg); }
    75% { transform: translateY(-8px) rotate(5deg); }
}

.error-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.error-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.error-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-bottom: 36px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.terminal-line {
    margin-bottom: 6px;
}

.terminal-line:last-child {
    margin-bottom: 0;
}

.terminal-prompt {
    color: var(--green);
    margin-right: 8px;
}

.terminal-cmd {
    color: var(--text-secondary);
}

.terminal-response {
    color: var(--text-muted);
}

.status-code {
    color: var(--red);
    font-weight: 600;
}

.error-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =====================================================
   LIGHT THEME OVERRIDES
   ===================================================== */
[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
}

[data-theme="light"] .cursor {
    background: var(--accent);
    mix-blend-mode: normal;
}

[data-theme="light"] .cursor-follower {
    border-color: var(--accent);
    mix-blend-mode: normal;
    opacity: 0.3;
}

[data-theme="light"] .hero-glow-1 {
    background: rgba(124, 58, 237, 0.08);
}

[data-theme="light"] .hero-glow-2 {
    background: rgba(59, 130, 246, 0.05);
}

[data-theme="light"] .hero-grid-overlay {
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

[data-theme="light"] .code-window {
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0,0,0,0.05);
}

[data-theme="light"] .code-window::after {
    background: linear-gradient(135deg, rgba(0,0,0,0.05), transparent 50%);
}

[data-theme="light"] .stats-bar {
    background: var(--bg-secondary);
}

[data-theme="light"] .services {
    background: var(--bg-secondary);
}

[data-theme="light"] .nav-menu {
    background: rgba(255, 255, 255, 0.96);
}

[data-theme="light"] .theme-toggle,
[data-theme="light"] .lang-toggle {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .loader {
    background: #ffffff;
}

[data-theme="light"] .cta-box {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.06) 0%, rgba(59, 130, 246, 0.03) 100%);
}

[data-theme="light"] .digit {
    opacity: 0.1;
}

[data-theme="light"] .project-card:hover,
[data-theme="light"] .service-card:hover,
[data-theme="light"] .featured-card:hover,
[data-theme="light"] .tech-item:hover,
[data-theme="light"] .highlight-card:hover,
[data-theme="light"] .skill-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
    [data-theme="light"] .nav-menu {
        background: rgba(255, 255, 255, 0.98);
    }
}