/* ==================== VARIABLES & RESET ==================== */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #14b8a6;
    --accent-color: #f59e0b;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --dark-input: #334155;
    --light-text: #f1f5f9;
    --muted-text: #cbd5e1;
    --border-color: #334155;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
    --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --glow-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== PRELOADER ==================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeOut 0.6s ease-out 1.5s forwards;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* ==================== NAVBAR ==================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 1.3rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--muted-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease-out;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--light-text);
    transition: var(--transition);
}

/* ==================== BUTTONS ==================== */

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* ==================== GENERAL STYLES ==================== */

.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* ==================== HERO SECTION ==================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 6rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-text-line {
    display: block;
}

.hero-text-line:first-child {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 2rem;
}

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

.hero-image {
    animation: fadeInRight 0.8s ease-out;
}

.profile-card {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    margin: 0 auto;
}

.profile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    z-index: 2;
    position: relative;
}

.profile-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-1);
    border-radius: 20px;
    opacity: 0.2;
    blur: 30px;
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--muted-text);
    font-size: 0.9rem;
    animation: bounce 2s ease-in-out infinite;
}

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

/* ==================== ABOUT SECTION ==================== */

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-intro {
    font-size: 1.3rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.highlight-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
    transition: var(--transition);
}

.highlight-card:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateX(10px);
}

.highlight-card i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
}

.highlight-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.highlight-card p {
    color: var(--muted-text);
    font-size: 0.95rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(20, 184, 166, 0.2);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: rgba(20, 184, 166, 0.4);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--muted-text);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ==================== SKILLS SECTION ==================== */

.skills-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.skill-category {
    animation: fadeInUp 0.6s ease-out;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
    transition: left 0.5s ease;
}

.skill-card:hover::before {
    left: 100%;
}

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

.skill-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.skill-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: var(--dark-input);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    animation: fillBar 1s ease-out forwards;
}

@keyframes fillBar {
    from { width: 0%; }
    to { width: var(--width); }
}

.skill-percent {
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* ==================== PROJECTS SECTION ==================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

.project-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--glow-shadow);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.overlay-content {
    display: flex;
    gap: 1rem;
}

.btn-small {
    background: var(--primary-color);
    color: white;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.project-info p {
    color: var(--muted-text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* ==================== SERVICES SECTION ==================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    transition: all 0.5s ease;
    pointer-events: none;
}

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

.service-card:hover::before {
    right: -10%;
    top: -10%;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: rgba(99, 102, 241, 0.25);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    position: relative;
    z-index: 1;
}

.service-features li {
    color: var(--muted-text);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.service-features i {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* ==================== EXPERIENCE SECTION ==================== */

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), transparent);
}

.timeline-item {
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 2;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid var(--dark-bg);
    border-radius: 50%;
    z-index: 2;
    top: 20px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.timeline-content {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-header h3 {
    font-size: 1.2rem;
}

.timeline-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.company-name {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--muted-text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.timeline-highlights {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.timeline-highlights span {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 0;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        margin-left: 2rem;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 1;
    }

    .timeline-marker {
        left: -10px;
    }
}

/* ==================== ACHIEVEMENTS SECTION ==================== */

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

.achievement-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(236, 72, 153, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(236, 72, 153, 0.05));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
    pointer-events: none;
}

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

.achievement-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.2);
}

.achievement-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(245, 158, 11, 0.15);
    border-radius: 12px;
    margin-left: auto;
    margin-right: auto;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.achievement-card:hover .achievement-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(245, 158, 11, 0.25);
}

.achievement-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.achievement-card p {
    color: var(--muted-text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.achievement-badge {
    display: inline-block;
    background: var(--accent-color);
    color: var(--dark-bg);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* ==================== CONTACT SECTION ==================== */

.contact-wrapper {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

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

.contact-details {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
  
}

.contact-item h4 {
    margin-bottom: 0.25rem;

}

.contact-item p {
    margin: 0;
    
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);

}

.contact-item a:hover {
    text-decoration: underline;
    
}

.social-links h4 {
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

/* ==================== FOOTER ==================== */

.footer {
    background: rgba(15, 23, 42, 0.5);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--muted-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: var(--muted-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 50%;
    font-size: 1rem;
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--muted-text);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

/* ==================== ANIMATIONS ==================== */

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

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

/* ==================== SCROLL ANIMATIONS ==================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease-out forwards;
}

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

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

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

@media (max-width: 1024px) {
    .section {
        padding: 4rem 2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

    .hero-title {
        font-size: 2.8rem;
    }

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

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

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

    .timeline::before {
        display: none;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        margin-left: 0;
    }

    .timeline-marker {
        display: none;
    }

    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--dark-card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        gap: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-8px, -8px);
    }

    .section {
        padding: 3rem 1.5rem;
    }

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

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

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

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

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

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

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

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .hero-content {
        gap: 2rem;
    }

    .hero-buttons {
        gap: 0.5rem;
    }

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

    .about-intro {
        font-size: 1.1rem;
    }

    .social-icons {
        justify-content: center;
    }
}