/* ============================================
   PORTFOLIO WEBSITE - STYLES
   Dark Blue Gradient Theme with Modern Effects
   ============================================ */

/* ============================================
   ROOT VARIABLES & COLOR SCHEME
   ============================================ */
:root {
    /* Primary Colors */
    --primary-dark: #0f1e3d;
    --primary-navy: #1a2f5a;
    --primary-blue: #2d5a8c;
    --steel-blue: #4a7ba7;
    --muted-blue: #5a8bc5;
    
    /* Accent Colors */
    --accent-light: #7ba3d1;
    --accent-lighter: #b8d4e8;
    --blue-grey: #6b8fc4;
    
    /* Text Colors */
    --text-primary: #f5f7fa;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    
    /* Gradient Backgrounds */
    --gradient-primary: linear-gradient(135deg, #0f1e3d 0%, #1a2f5a 50%, #2d5a8c 100%);
    --gradient-secondary: linear-gradient(135deg, #1a2f5a 0%, #4a7ba7 100%);
    --gradient-accent: linear-gradient(135deg, #4a7ba7 0%, #7ba3d1 100%);
    
    /* Effects */
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 15px 50px rgba(0, 0, 0, 0.3);
    --glow-primary: 0 0 30px rgba(91, 139, 197, 0.3);
    --glow-secondary: 0 0 20px rgba(123, 163, 209, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   GLOBAL STYLES & RESET
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gradient-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Remove default link styles */
a {
    text-decoration: none;
    color: inherit;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--steel-blue);
    border-radius: 5px;
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, #f5f7fa, #b8d4e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-primary);
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(123, 163, 209, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-light);
    border-color: var(--accent-light);
}

.btn-secondary:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    box-shadow: var(--glow-primary);
}

/* ============================================
   NAVIGATION BAR
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(15, 30, 61, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(91, 139, 197, 0.2);
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--accent-light);
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 2px solid transparent;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-light);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(123, 163, 209, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 123, 167, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -50px;
    left: -100px;
    animation: float 8s ease-in-out infinite reverse;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    z-index: 2;
    width: 100%;
}

.hero-text {
    animation: slideInUp 0.8s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #f5f7fa 0%, #b8d4e8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-light);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: slideInRight 0.8s ease-out;
}

/* Profile Image Styles */
.profile-image-container {
    position: relative;
    width: 350px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--accent-light);
    box-shadow: var(--glow-primary), 0 10px 50px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 2;
    transition: all var(--transition-normal);
    animation: fadeInScale 0.8s ease-out;
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(123, 163, 209, 0.6), 0 15px 60px rgba(0, 0, 0, 0.5);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.profile-ring {
    position: absolute;
    width: 330px;
    height: 330px;
    border: 2px solid var(--accent-light);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulseRing 3s ease-in-out infinite;
}

@keyframes pulseRing {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, rgba(15, 30, 61, 0.8) 0%, rgba(26, 47, 90, 0.6) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
}

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

.education-highlight {
    background: rgba(74, 123, 167, 0.1);
    border-left: 4px solid var(--accent-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

.education-highlight h3 {
    color: var(--accent-light);
    margin-bottom: var(--spacing-md);
}

.education-item h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.education-meta {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.interests {
    margin-top: var(--spacing-lg);
}

.interests h3 {
    color: var(--accent-light);
    margin-bottom: var(--spacing-md);
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: rgba(91, 139, 197, 0.2);
    color: var(--accent-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(123, 163, 209, 0.4);
    transition: all var(--transition-normal);
}

.tag:hover {
    background: rgba(123, 163, 209, 0.3);
    border-color: var(--accent-light);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    background: rgba(74, 123, 167, 0.15);
    border: 1px solid rgba(123, 163, 209, 0.3);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    background: rgba(123, 163, 209, 0.2);
    border-color: var(--accent-light);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, rgba(26, 47, 90, 0.6) 0%, rgba(45, 90, 140, 0.4) 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: rgba(74, 123, 167, 0.1);
    border: 1px solid rgba(123, 163, 209, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    background: rgba(74, 123, 167, 0.2);
    border-color: var(--accent-light);
    transform: translateY(-8px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.category-header i {
    font-size: 1.8rem;
    color: var(--accent-light);
}

.category-header h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
}

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

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

.skill-item span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.skill-bar {
    height: 8px;
    background: rgba(91, 139, 197, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 10px;
    animation: fillSkill 1s ease-out forwards;
    box-shadow: var(--glow-secondary);
}

@keyframes fillSkill {
    from {
        width: 0;
    }
    to {
        width: var(--skill-width, 100%);
    }
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, rgba(45, 90, 140, 0.4) 0%, rgba(26, 47, 90, 0.6) 100%);
}

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

.project-card {
    background: rgba(74, 123, 167, 0.15);
    border: 1px solid rgba(123, 163, 209, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.project-card:hover {
    background: rgba(123, 163, 209, 0.2);
    border-color: var(--accent-light);
    transform: translateY(-12px);
}

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

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.project-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    flex: 1;
}

.project-icons {
    font-size: 2rem;
    color: var(--accent-light);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

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

.tech-tag {
    background: rgba(91, 139, 197, 0.3);
    color: var(--accent-light);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid rgba(123, 163, 209, 0.4);
}

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

.project-link {
    flex: 1;
    padding: var(--spacing-sm);
    background: rgba(123, 163, 209, 0.2);
    color: var(--accent-light);
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: 1px solid rgba(123, 163, 209, 0.3);
}

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

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, rgba(26, 47, 90, 0.6) 0%, rgba(15, 30, 61, 0.8) 100%);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.experience-category {
    background: rgba(74, 123, 167, 0.15);
    border: 1px solid rgba(123, 163, 209, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.category-title {
    color: var(--accent-light);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.category-title i {
    font-size: 1.5rem;
}

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

.achievement-item {
    background: rgba(91, 139, 197, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 3px solid var(--steel-blue);
    transition: all var(--transition-normal);
}

.achievement-item:hover {
    background: rgba(123, 163, 209, 0.15);
    border-left-color: var(--accent-light);
}

.achievement-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.achievement-item h4 {
    color: var(--text-primary);
    font-size: 1rem;
}

.achievement-badge {
    background: rgba(123, 163, 209, 0.3);
    color: var(--accent-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.achievement-date {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.achievement-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, rgba(15, 30, 61, 0.8) 0%, rgba(26, 47, 90, 0.6) 100%);
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(74, 123, 167, 0.15);
    border: 1px solid rgba(123, 163, 209, 0.2);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.contact-item:hover {
    background: rgba(123, 163, 209, 0.2);
    border-color: var(--accent-light);
    transform: translateX(8px);
}

.contact-icon {
    font-size: 1.8rem;
    color: var(--accent-light);
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-details a {
    color: var(--accent-light);
    transition: color var(--transition-normal);
}

.contact-details a:hover {
    color: var(--accent-lighter);
}

.contact-form {
    background: rgba(74, 123, 167, 0.15);
    border: 1px solid rgba(123, 163, 209, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(91, 139, 197, 0.1);
    border: 1px solid rgba(123, 163, 209, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(123, 163, 209, 0.15);
    border-color: var(--accent-light);
    box-shadow: 0 0 15px rgba(123, 163, 209, 0.3);
}

.form-group label {
    position: absolute;
    left: var(--spacing-md);
    top: -10px;
    background: var(--primary-dark);
    color: var(--accent-light);
    padding: 0 4px;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    opacity: 1;
}

.form-note {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: var(--spacing-md);
    text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: rgba(15, 30, 61, 0.95);
    border-top: 1px solid rgba(91, 139, 197, 0.2);
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--accent-light);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: var(--accent-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    font-size: 1.3rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(123, 163, 209, 0.2);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(91, 139, 197, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.heart {
    color: #ff6b6b;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-top.show {
    display: flex;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 40px rgba(123, 163, 209, 0.5);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet Devices (768px and below) */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: var(--primary-navy);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        gap: 0;
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-visual {
        order: -1;
    }

    .profile-image-container {
        width: 250px;
        height: 250px;
    }

    .profile-image {
        width: 220px;
        height: 220px;
    }

    .profile-ring {
        width: 240px;
        height: 240px;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

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

    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Mobile Devices (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    .navbar-container {
        padding: var(--spacing-md);
    }

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

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

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

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xl);
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

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

    .skill-category {
        padding: var(--spacing-md);
    }

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

    .achievement-item {
        padding: var(--spacing-sm);
    }

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

    .contact-form {
        padding: var(--spacing-md);
    }

    .form-group input,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: 16px;
    }

    .social-links {
        gap: var(--spacing-sm);
        font-size: 1.1rem;
    }

    .social-links a {
        width: 36px;
        height: 36px;
    }

    .scroll-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .scroll-top,
    .scroll-indicator {
        display: none;
    }

    body {
        background: var(--primary-dark);
    }
}