/* Root Variables with Dark Mode as Default */
:root {
    /* Dark Mode Colors (Default) */
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #8b5cf6;
    --accent: #06d6a0;
    --warning: #f59e0b;
    --error: #ef4444;
    --success: #10b981;

    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
    --blur-xl: blur(24px);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables */
[data-theme="light"] {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #7c3aed;
    --accent: #059669;
    --warning: #d97706;
    --error: #dc2626;
    --success: #059669;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-hover: rgba(255, 255, 255, 0.9);

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

    --border-primary: rgba(0, 0, 0, 0.1);
    --border-secondary: rgba(0, 0, 0, 0.05);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1001;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    color: var(--text-primary);
    cursor: pointer;
    backdrop-filter: var(--blur-lg);
    transition: var(--transition);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* Enhanced Background Animation */
.bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--bg-primary);
    transition: background 0.3s ease;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(6, 214, 160, 0.1) 0%, transparent 50%);
    animation: gradientFloat 20s ease-in-out infinite;
}

[data-theme="light"] .bg-gradient {
    background:
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(6, 214, 160, 0.05) 0%, transparent 50%);
}

@keyframes gradientFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    33% {
        transform: translate(-10px, -20px) rotate(120deg) scale(1.05);
    }
    66% {
        transform: translate(20px, 10px) rotate(240deg) scale(0.95);
    }
}

/* Modern Glassmorphism Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 300px;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-xl);
    border-right: 1px solid var(--border-primary);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    transition: var(--transition);
    overflow-y: auto;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg,
            rgba(255, 255, 255, 0.02) 0%,
            rgba(255, 255, 255, 0.01) 50%,
            rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
}

.profile-section {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.profile-img-container {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--border-primary);
    transition: var(--transition);
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.profile-img:hover {
    transform: scale(1.05);
    border-color: var(--primary-light);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.profile-status {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--success);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-title {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--success);
    backdrop-filter: var(--blur-md);
}

.availability-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0.3;
    }
}

.nav-menu {
    list-style: none;
    flex-grow: 1;
    position: relative;
    z-index: 2;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0.1;
    transition: var(--transition);
}

.nav-link:hover::before,
.nav-link.active::before {
    left: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
    transform: translateX(8px);
}

.nav-link.active {
    background: var(--bg-glass-hover);
    border-left: 3px solid var(--primary);
}

.nav-icon {
    margin-right: 1rem;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.social-section {
    border-top: 1px solid var(--border-secondary);
    padding-top: 1.5rem;
    position: relative;
    z-index: 2;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: var(--blur-md);
}

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

.contact-info {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    margin-left: 300px;
    min-height: 100vh;
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 2rem;
    position: relative;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Enhanced Hero Section */
.hero {
    text-align: center;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-greeting {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: clamp(1.25rem, 4vw, 2rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-2xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    backdrop-filter: var(--blur-md);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-3px);
    border-color: var(--primary);
}

/* Floating Elements */
.floating-card {
    position: absolute;
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.floating-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--primary-light);
}

/* Section Styling */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary);
}

/* About Section */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: var(--blur-md);
    transition: var(--transition);
}

.stat-card:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Experience Timeline */
.experience-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    margin-bottom: 2rem;
    padding-left: 60px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: 20px;
    top: 2rem;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
    z-index: 1;
}

.timeline-content {
    padding: 1.5rem;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.experience-company {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.experience-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.experience-projects {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.project-badge {
    background: var(--bg-glass);
    color: var(--primary);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-primary);
}

.project-link-inline {
    background: var(--bg-glass);
    color: var(--text-primary);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    text-decoration: none;
    border: 1px solid var(--border-primary);
    transition: var(--transition);
}

.project-link-inline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-xl);
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--bg-glass);
    color: var(--primary-light);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    backdrop-filter: var(--blur-md);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    backdrop-filter: var(--blur-md);
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Skills Section */
.skills-categories {
    margin-bottom: 3rem;
}

.skill-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: var(--blur-lg);
}

.skill-item:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.skill-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--primary-light);
    transition: var(--transition);
}

.skill-item:hover .skill-icon {
    color: white;
    transform: scale(1.1);
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-item:hover .skill-name {
    color: white;
}

/* Soft Skills */
.soft-skills {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    margin-top: 2rem;
}

.soft-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.soft-skill-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
}

.soft-skill-item i {
    color: var(--primary);
}

/* Education Section */
.education-content {
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.education-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.education-details h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-institution {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.education-location,
.education-period {
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.education-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 1rem;
}

.certifications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.cert-badge {
    background: var(--bg-glass);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    backdrop-filter: var(--blur-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    backdrop-filter: var(--blur-md);
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.contact-info-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: var(--blur-lg);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.contact-card-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    margin-bottom: 0.75rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.contact-card a:hover {
    color: var(--primary);
}

/* Loading and Success States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.success-message {
    background: linear-gradient(135deg, var(--success), var(--accent));
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-top: 1rem;
    text-align: center;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Mobile Responsiveness */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 1001;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    color: var(--text-primary);
    cursor: pointer;
    backdrop-filter: var(--blur-lg);
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--bg-glass-hover);
    transform: scale(1.05);
}

.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }

    .main-content {
        margin-left: 280px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info-section {
        grid-template-columns: 1fr;
    }
}

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

    .theme-toggle {
        top: 1.5rem;
        right: 1.5rem;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: var(--shadow-2xl);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .section {
        padding: 1.5rem 1rem;
        min-height: auto;
    }

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

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .floating-card {
        display: none;
    }

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

    .experience-timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 45px;
    }

    .timeline-dot {
        left: 10px;
    }

    .education-card {
        flex-direction: column;
        gap: 1rem;
    }

    .soft-skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 260px;
    }

    .section {
        padding: 1rem 0.5rem;
    }

    .card {
        padding: 1.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .project-link {
        width: 100%;
        justify-content: center;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-sm);
}

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

/* Focus States for Accessibility */
.nav-link:focus,
.btn:focus,
.form-control:focus,
.social-link:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .sidebar,
    .mobile-toggle,
    .theme-toggle {
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

    .section {
        page-break-inside: avoid;
    }
}

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

    .floating-card {
        animation: none;
    }

    .bg-gradient {
        animation: none;
    }
}