/* ===============================================
   Modern Portfolio CSS
   =============================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ===============================================
   CSS Variables & Root Settings
   =============================================== */
:root {
    /* Colors */
    --primary-color: #0D1B2A;
    --secondary-color: #1B6EF3;
    --accent-color: #1B6EF3;
    --text-primary: #0D1B2A;
    --text-secondary: #333333;
    --bg-primary: #F5F7FA;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --border-color: #e1e8ed;
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #0D1B2A 0%, #1B6EF3 100%);
    --gradient-2: linear-gradient(135deg, #1B6EF3 0%, #4A90FF 100%);
    --gradient-3: linear-gradient(135deg, #1B6EF3 0%, #0D1B2A 100%);
    --gradient-primary: linear-gradient(135deg, #0D1B2A 0%, #1B6EF3 100%);
    
    /* Shadows */
    --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);
    --shadow-glow: 0 0 30px rgba(27, 110, 243, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fonts */
    --font-primary: 'Poppins', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
}

/* Dark Mode Variables */
.dark-mode {
    --text-primary: #F5F7FA;
    --text-secondary: #d1d5db;
    --bg-primary: #0D1B2A;
    --bg-secondary: #162031;
    --bg-card: #162031;
    --border-color: #1B6EF3;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ===============================================
   Navigation Bar
   =============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.dark-mode .navbar {
    background: rgba(13, 27, 42, 0.95);
    border-bottom: 1px solid rgba(27, 110, 243, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--secondary-color);
}

.dark-mode .logo {
    color: var(--secondary-color);
    text-shadow: 0 0 20px rgba(27, 110, 243, 0.4);
}

.dark-mode .logo:hover {
    color: #4A90FF;
    text-shadow: 0 0 25px rgba(27, 110, 243, 0.6);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
    color: var(--text-primary);
}

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

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

.theme-toggle {
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* ===============================================
   Hero Section
   =============================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 100px 20px 50px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(13, 27, 42, 0.05) 0%, 
        rgba(27, 110, 243, 0.08) 50%, 
        rgba(13, 27, 42, 0.05) 100%);
    animation: gradient-shift 10s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(27, 110, 243, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(13, 27, 42, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(27, 110, 243, 0.06) 0%, transparent 50%);
    animation: float 20s ease infinite;
}

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

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: 0 var(--spacing-lg);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.glitch {
    position: relative;
    color: var(--text-primary);
}

.name-highlight {
    font-size: 4rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    animation: glow 2s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(27, 110, 243, 0.3);
}

.dark-mode .name-highlight {
    color: var(--secondary-color);
    text-shadow: 0 0 40px rgba(27, 110, 243, 0.6);
}

@keyframes glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.typing-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

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

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-2xl);
    animation: float-image 6s ease-in-out infinite;
    position: relative;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    z-index: -1;
    filter: blur(40px);
    opacity: 0.5;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes float-image {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-primary);
    border-radius: 20px;
    position: relative;
    animation: scroll-down 2s infinite;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 10px;
    background: var(--text-primary);
    border-radius: 3px;
    animation: scroll-wheel 2s infinite;
}

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

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ===============================================
   Section Headers
   =============================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: 3rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
}

.dark-mode .section-title {
    color: var(--secondary-color);
    text-shadow: 0 0 30px rgba(27, 110, 243, 0.4);
}

/* ===============================================
   About Section
   =============================================== */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.image-placeholder-about {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.8);
}

.about-text h3 {
    font-size: 2rem;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===============================================
   Skills Section
   =============================================== */
.skills {
    padding: var(--spacing-2xl) 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-glow);
}

.skill-category h3 {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-bar {
    height: 10px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease;
    box-shadow: 0 0 10px rgba(27, 110, 243, 0.5);
}

/* ===============================================
   Projects Section
   =============================================== */
.projects {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.project-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
    transition: transform var(--transition-normal);
}

.project-card:hover .project-placeholder {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.project-link:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.project-content h3 {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===============================================
   Experience Section
   =============================================== */
.experience {
    padding: var(--spacing-2xl) 0;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0 var(--spacing-lg) 60px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.dark-mode .timeline::before {
    background: linear-gradient(180deg, #1B6EF3 0%, #0D1B2A 100%);
    box-shadow: 0 0 10px rgba(27, 110, 243, 0.5);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -29.5px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 4px solid var(--secondary-color);
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 15px rgba(27, 110, 243, 0.5);
    z-index: 3;
    transition: all var(--transition-fast);
}

.dark-mode .timeline-dot {
    background: var(--secondary-color);
    border: 4px solid var(--secondary-color);
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 20px rgba(27, 110, 243, 0.8);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    border-width: 5px;
}

.dark-mode .timeline-item:hover .timeline-dot {
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 30px rgba(27, 110, 243, 1);
}

.timeline-date {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--secondary-color);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-2xl);
    border-left-width: 6px;
}

.dark-mode .timeline-content {
    border-left-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.dark-mode .timeline-content:hover {
    box-shadow: 0 8px 30px rgba(27, 110, 243, 0.2);
}

.timeline-content h3 {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.dark-mode .timeline-content h4 {
    color: var(--secondary-color);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.timeline-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* ===============================================
   Contact Section
   =============================================== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h3 {
    font-size: 2rem;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.contact-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.social-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

/* ===============================================
   Footer
   =============================================== */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* ===============================================
   Responsive Design
   =============================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 40px;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: var(--spacing-md);
    }
    
    .timeline-dot {
        left: -24.5px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .name-highlight {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: var(--spacing-sm);
    }
    
    .timeline-dot {
        left: -10.5px;
        width: 12px;
        height: 12px;
        border-width: 3px;
    }
    
    .timeline-content {
        padding: var(--spacing-md);
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .timeline-content h4 {
        font-size: 1rem;
    }
    
    .timeline-date {
        font-size: 0.8rem;
        padding: 0.3rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .name-highlight {
        font-size: 2.5rem;
    }
    
    .image-container {
        width: 300px;
        height: 300px;
    }
    
    .image-placeholder {
        font-size: 8rem;
    }
}

/* ===============================================
   Animations & Utilities
   =============================================== */
.fade-in {
    animation: fadeIn 1s ease forwards !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.8s ease forwards !important;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease forwards !important;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}