/* =========================================
   CSS Variables - Design System
   ========================================= */
:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f472b6;
    --success-color: #10b981;

    /* Backgrounds - Dark Mode (default) */
    --background-color: #030712;
    --background-secondary: #0f172a;
    --surface-color: rgba(15, 23, 42, 0.8);
    --surface-elevated: rgba(30, 41, 59, 0.6);

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Effects */
    --glow-primary: rgba(99, 102, 241, 0.4);
    --glow-secondary: rgba(6, 182, 212, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    --gradient-dark: linear-gradient(180deg, var(--background-color) 0%, var(--background-secondary) 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--glow-primary);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Canvas/Particles */
    --canvas-bg: rgba(3, 7, 18, 0.15);
    --particle-hue-base: 220;
}

/* Light Mode Theme */
[data-theme="light"] {
    --background-color: #f8fafc;
    --background-secondary: #e2e8f0;
    --surface-color: rgba(255, 255, 255, 0.9);
    --surface-elevated: rgba(241, 245, 249, 0.9);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.15);

    --canvas-bg: rgba(248, 250, 252, 0.15);
    --particle-hue-base: 230;
}

/* =========================================
   Base Styles & Reset
   ========================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    padding: 0;
    background: var(--background-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary-color);
    color: white;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* =========================================
   Floating Orbs Background
   ========================================= */
.floating-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float-orb 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-color);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.3;
}

@keyframes float-orb {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

/* =========================================
   Universe Container & Canvas
   ========================================= */
.universe {
    position: relative;
    min-height: 100vh;
}

#backgroundCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: transparent;
}

/* =========================================
   Navigation
   ========================================= */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 2rem;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.header-nav.scrolled {
    padding: 0.75rem 2rem;
    background: rgba(3, 7, 18, 0.9);
    box-shadow: var(--shadow-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: white;
    transition: var(--transition-normal);
}

.logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

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

.nav-link-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.5rem 1.25rem;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    background: var(--gradient-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    margin-left: var(--spacing-md);
}

.theme-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

/* Light mode adjustments */
[data-theme="light"] .floating-orbs {
    opacity: 0.3;
}

[data-theme="light"] .header-nav {
    background: rgba(248, 250, 252, 0.8);
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .hero-badge {
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .tech-tag {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .carousel-dot {
    background: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .contact-link {
    border-color: rgba(0, 0, 0, 0.1);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInDown 0.8s ease forwards;
}

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.title-line:nth-child(3) {
    animation-delay: 0.3s;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typed-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cursor {
    display: inline-block;
    color: var(--primary-color);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.5s forwards;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--spacing-xs);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--text-muted), transparent);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-primary svg {
    transition: var(--transition-normal);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0;
    animation: fadeIn 0.8s ease 1s forwards;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {

    0%,
    100% {
        opacity: 1;
        transform: translateY(0);
    }

    50% {
        opacity: 0.3;
        transform: translateY(8px);
    }
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* =========================================
   Section Styles
   ========================================= */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   Projects Section
   ========================================= */
.projects-section {
    position: relative;
    z-index: 2;
    padding: var(--spacing-3xl) 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.projects-container {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 60px;
}

.carousel-track {
    position: relative;
    overflow: hidden;
}

.project-item {
    display: none;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    padding: var(--spacing-xl);
    opacity: 0;
    transform: translateX(30px);
    background: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    transition: all var(--transition-slow);
}

.project-item.active {
    display: grid;
    opacity: 1;
    transform: translateX(0);
}

.project-item.slide-left {
    transform: translateX(-30px);
}

.project-item.slide-right {
    transform: translateX(30px);
}

.project-image {
    position: relative;
    height: 350px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.project-image:hover::before {
    opacity: 0.2;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-image:hover img {
    transform: scale(1.08);
}

.project-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md) 0;
}

.project-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-md);
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.project-tech-stack {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.tech-tag:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-normal);
}

.project-link svg {
    width: 16px;
    height: 16px;
}

.project-link.primary {
    background: var(--gradient-primary);
    color: white;
}

.project-link.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.project-link.secondary {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-link.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.external-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    backdrop-filter: blur(10px);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 2;
}

.status-tag.in-development {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-tag.private {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* =========================================
   Carousel Navigation
   ========================================= */
.carousel-nav {
    position: absolute;
    top: 50%;
    left: -30px;
    right: -30px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0;
    pointer-events: none;
    z-index: 10;
}

.carousel-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    pointer-events: auto;
    backdrop-filter: blur(10px);
}

.carousel-button:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.carousel-button svg {
    width: 24px;
    height: 24px;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.3);
}

.carousel-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--glow-primary);
}

/* =========================================
   Contact Section
   ========================================= */
.contact-section {
    position: relative;
    z-index: 2;
    padding: var(--spacing-3xl) 2rem;
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-3xl);
    background: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
}

.contact-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 1.5rem;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-normal);
}

.contact-link svg {
    color: var(--primary-color);
}

.contact-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.contact-link:hover svg {
    color: white;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    position: relative;
    z-index: 2;
    padding: var(--spacing-xl) 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .project-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .project-image {
        height: 280px;
    }

    .carousel-nav {
        padding: 0 1rem;
    }

    .projects-container {
        padding: 0 50px;
    }
}

@media (max-width: 768px) {
    .nav-right {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #0f172a;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-md);
        display: none;
        z-index: 999;
    }

    .nav-right.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
    }

    .theme-toggle {
        margin-top: var(--spacing-sm);
    }

    .mobile-menu-btn {
        display: flex;
    }

    [data-theme="light"] .nav-right {
        background: #ffffff;
        border-bottom-color: rgba(0, 0, 0, 0.1);
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .hero-stats {
        gap: var(--spacing-lg);
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .projects-section {
        padding: var(--spacing-2xl) 1rem;
    }

    .projects-container {
        padding: 0 40px;
    }

    .carousel-button {
        width: 44px;
        height: 44px;
    }

    .carousel-button svg {
        width: 20px;
        height: 20px;
    }

    .contact-content {
        padding: var(--spacing-xl);
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    /* Mobile performance optimizations */
    .floating-orbs {
        display: none;
    }

    #backgroundCanvas {
        opacity: 0.3;
    }

    * {
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .project-item {
        padding: var(--spacing-md);
    }

    .project-title {
        font-size: 1.5rem;
    }

    .project-links {
        flex-direction: column;
    }

    .project-link {
        justify-content: center;
    }
}

/* =========================================
   Utility Classes
   ========================================= */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* =========================================
   Info Icon Button
   ========================================= */
.info-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    flex-shrink: 0;
}

.info-button:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.info-button svg {
    width: 18px;
    height: 18px;
    animation: pulse-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.info-button:hover svg {
    animation: none;
}

.project-title-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.project-title-row .project-title {
    margin: 0;
    flex-grow: 1;
}

[data-theme="light"] .info-button {
    border-color: rgba(0, 0, 0, 0.1);
}

/* =========================================
   Project Details Modal
   ========================================= */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--background-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.project-modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    z-index: 10;
}

.modal-close:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
    transform: rotate(90deg);
}

.modal-header {
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-category {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg) var(--spacing-2xl) var(--spacing-2xl);
}

.modal-details-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-light);
    margin: 0 0 var(--spacing-md);
    letter-spacing: 0.02em;
}

.modal-details {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
}

.modal-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.modal-tech-stack .tech-tag {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

/* Light mode adjustments for modal */
[data-theme="light"] .modal-backdrop {
    background: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .modal-content {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .modal-close {
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .modal-header {
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

/* Scrollbar styling for modal */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

@media (max-width: 768px) {
    .modal-content {
        max-height: 90vh;
        border-radius: var(--radius-lg);
    }

    .modal-header {
        padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    }

    .modal-title {
        font-size: 1.5rem;
    }
}