:root {
    /* Dark Mode Colors (Default) */
    --bg-primary: #0b0b0f;
    --bg-secondary: #14141a;
    --bg-tertiary: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #ff2d2d;
    --accent-secondary: #ff5757;
    --accent-glow: rgba(255, 45, 45, 0.3);
    --border-color: rgba(255, 45, 45, 0.2);
    --card-bg: rgba(20, 20, 26, 0.8);
    --shadow: rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'JetBrains Mono', monospace;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

[data-theme="light"] {
    --bg-primary: #f7fbff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8f2ff;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-glow: rgba(37, 99, 235, 0.3);
    --border-color: rgba(37, 99, 235, 0.2);
    --card-bg: rgba(255, 255, 255, 0.9);
    --shadow: rgba(0, 0, 0, 0.1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Background Effects */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.gradient-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 20% 30%, var(--accent-glow) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, var(--accent-glow) 0%, transparent 50%);
    opacity: 0.3;
    animation: meshPulse 8s ease-in-out infinite;
}

@keyframes meshPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

.scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    opacity: 0.5;
}

[data-theme="light"] .scanlines {
    opacity: 0.2;
}

.spotlight {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
    mix-blend-mode: screen;
}

[data-theme="dark"] .spotlight {
    opacity: 0.4;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(11, 11, 15, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .navbar {
    background: rgba(247, 251, 255, 0.9);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px var(--shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.logo-img {
    width: 40px;
    height: 40px;
    transition: transform var(--transition-normal), filter var(--transition-normal);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo-img:hover {
    transform: rotate(180deg) scale(1.1);
    filter: drop-shadow(0 0 20px var(--accent-primary));
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--accent-primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

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

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    transform: rotate(180deg);
    box-shadow: 0 0 20px var(--accent-glow);
}

.sun-icon,
.moon-icon {
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"] .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
}

.hero-container {
    max-width: 1400px;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-image-wrapper {
    display: flex;
    justify-content: center;
}

.profile-photo {
    position: relative;
    width: 300px;
    height: 300px;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.photo-border {
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    border-radius: 50%;
    border: 3px solid var(--accent-primary);
    animation: photoGlow 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes photoGlow {
    0%, 100% {
        box-shadow: 0 0 20px var(--accent-glow),
                    0 0 40px var(--accent-glow);
        transform: rotate(0deg);
    }
    50% {
        box-shadow: 0 0 40px var(--accent-primary),
                    0 0 80px var(--accent-glow);
        transform: rotate(180deg);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

/* Glitch effect */
.glitch {
    position: relative;
    color: var(--accent-primary);
    animation: glitchMain 5s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-secondary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitchBefore 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--accent-primary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitchAfter 5s infinite linear alternate-reverse;
}

@keyframes glitchMain {
    0%, 98%, 100% {
        filter: none;
    }
    99% {
        filter: hue-rotate(90deg);
    }
}

@keyframes glitchBefore {
    0% { clip: rect(random(100) + px, 9999px, random(100) + px, 0); }
    100% { clip: rect(random(100) + px, 9999px, random(100) + px, 0); }
}

@keyframes glitchAfter {
    0% { clip: rect(random(100) + px, 9999px, random(100) + px, 0); }
    100% { clip: rect(random(100) + px, 9999px, random(100) + px, 0); }
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-info {
    list-style: none;
    margin-bottom: 2rem;
}

.hero-info li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    opacity: 0;
    animation: fadeInLeft 0.6s ease-out forwards;
}

.hero-info li:nth-child(1) { animation-delay: 0.2s; }
.hero-info li:nth-child(2) { animation-delay: 0.3s; }
.hero-info li:nth-child(3) { animation-delay: 0.4s; }
.hero-info li:nth-child(4) { animation-delay: 0.5s; }
.hero-info li:nth-child(5) { animation-delay: 0.6s; }

.info-icon {
    font-size: 1.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--accent-primary);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

.arrow {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--accent-primary);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* Sections */
.section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.title-prefix {
    font-size: 1.5rem;
    color: var(--accent-primary);
    font-weight: 400;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

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

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-glow);
    border-color: var(--accent-primary);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    gap: 2rem;
}

.skill-item {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.skill-item:hover {
    transform: translateX(10px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.skill-percent {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-primary);
}

.skill-bar {
    height: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 6px;
    width: 0;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 0 20px var(--accent-glow);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Terminal Widget */
.terminal-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    box-shadow: 0 10px 40px var(--shadow);
    z-index: 999;
    transition: all var(--transition-normal);
    cursor: move;
}

.terminal-widget.minimized .terminal-body {
    display: none;
}

.terminal-widget.hidden {
    display: none;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    cursor: move;
}

.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.terminal-controls {
    display: flex;
    gap: 0.5rem;
}

.terminal-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 0.25rem;
    transition: color var(--transition-fast);
}

.terminal-btn:hover {
    color: var(--accent-primary);
}

.terminal-body {
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    max-height: 300px;
    overflow-y: auto;
}

.terminal-line {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.terminal-prompt {
    color: var(--accent-primary);
    font-weight: 700;
}

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

.terminal-cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Links Section */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.link-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-glow), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.link-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 40px var(--accent-glow);
}

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

.link-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.link-card:hover .link-icon {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1) rotate(360deg);
}

.link-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.link-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

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

.contact-info {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(200%);
    background: var(--accent-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px var(--shadow);
    z-index: 10000;
    transition: transform var(--transition-normal);
    font-weight: 600;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* AOS Animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .terminal-widget {
        width: 90%;
        right: 5%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .profile-photo {
        width: 200px;
        height: 200px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .terminal-widget {
        width: calc(100% - 2rem);
        right: 1rem;
        left: 1rem;
    }
}