:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --text-color: #333;
    --text-light: #777;
    --bg-color: #fff;
    --bg-secondary: #f8f9fa;
    --border-color: #ddd;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --dark-color: #ecf0f1;
    --light-color: #2c3e50;
    --text-color: #f8f9fa;
    --text-light: #bbb;
    --bg-color: #1a1a2e;
    --bg-secondary: #16213e;
    --border-color: #333;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: var(--transition);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Utility Bar */
.utility-bar {
    background-color: var(--bg-secondary);
    padding: 10px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.utility-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.language-switcher {
    display: flex;
    gap: 10px;
}

.language-option {
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 5px;
    transition: var(--transition);
}

.language-option.active {
    background-color: var(--primary-color);
    color: white;
}

.theme-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-switcher i {
    font-size: 1.2rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Navigation */
#navbar {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: fixed;
    top: 40px;
    width: 100%;
    z-index: 999;
    transition: var(--transition);
}

#navbar.scrolled {
    top: 0;
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

.nav-links a:hover:after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
}

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

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

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

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background-color: var(--bg-color);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    color: var(--text-color);
}

.section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.bg-light {
    background-color: var(--bg-secondary);
}

/* About Section */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-text {
    flex: 2;
}

.about-stats {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-light);
}

.social-links {
    margin-top: 30px;
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

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

/* Education Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-date {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    position: absolute;
    top: 20px;
    font-weight: 500;
}

.timeline-item:nth-child(odd) .timeline-date {
    right: -150px;
}

.timeline-item:nth-child(even) .timeline-date {
    left: -150px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--text-light);
}

.timeline-item:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--bg-color);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    top: 30px;
}

.timeline-item:nth-child(odd):after {
    right: -10px;
}

.timeline-item:nth-child(even):after {
    left: -10px;
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.certificate-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.certificate-card:hover {
    transform: translateY(-10px);
}

.certificate-header {
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    gap: 15px;
}

.certificate-header i {
    font-size: 1.5rem;
}

.certificate-body {
    padding: 20px;
}

.certificate-image {
    position: relative;
    margin-bottom: 20px;
    cursor: pointer;
    border-radius: 5px;
    overflow: hidden;
}

.certificate-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.certificate-image:hover img {
    transform: scale(1.05);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.certificate-image:hover .overlay {
    opacity: 1;
}

.overlay i {
    color: white;
    font-size: 2rem;
}

.certificate-details p {
    margin-bottom: 10px;
}

.certificate-details strong {
    color: var(--primary-color);
}

.certificate-footer {
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
}

/* Skills Section */
.skills-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.skills-column {
    flex: 1;
    min-width: 300px;
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.skills-column h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-item {
    margin-bottom: 20px;
}

.skill-item h4 {
    margin-bottom: 10px;
    font-weight: 500;
}

.skill-bar {
    height: 10px;
    background-color: var(--bg-secondary);
    border-radius: 5px;
    margin-bottom: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
}

.skill-item span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    width: 20px;
    
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-icons a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
    transition: var(--transition);
}

.modal-content {
    display: block;
    margin: 5% auto;
    max-width: 80%;
    max-height: 80%;
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {transform: scale(0.5);}
    to {transform: scale(1);}
}

.close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

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

#caption {
    margin: auto;
    display: block;
    width: 80%;
    text-align: center;
    color: white;
    padding: 10px 0;
}

/* Loader */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader-wrapper.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        flex-direction: column;
    }

    .timeline:before {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-date {
        left: 15px !important;
        right: auto !important;
    }

    .timeline-item:after {
        left: 21px !important;
    }

    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 100px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 100px);
        background-color: var(--bg-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        z-index: 998;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

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

    .hamburger {
        display: flex;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .skills-container {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 150px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

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

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

    .utility-bar .container {
        flex-direction: column;
        gap: 10px;
    }
}
/* ==================== ANIMATION EFFECTS ==================== */
/* 1. Hover Animation */
.hero-image img {
  transition: transform 0.5s ease, box-shadow 0.3s ease;
}
.hero-image img:hover {
  transform: translateY(-10px) rotate(5deg);
  box-shadow: 0 15px 30px rgba(52, 152, 219, 0.4);
}

/* 2. Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
.float-effect {  /* Rasmingizga bu klassni qo'shing */
  animation: float 3s ease-in-out infinite;
}

/* 3. 3D Parallax Effect */
.hero-image {
  perspective: 1000px;
}
.parallax-effect {  /* Rasmingizga bu klassni qo'shing */
  transform-style: preserve-3d;
  transition: transform 0.5s;
}
.hero-image:hover .parallax-effect {
  transform: rotateY(15deg) scale(1.05);
}

/* ========== TIMELINE RESPONSIVE FIXES ========== */
.timeline-date {
  white-space: nowrap;
  min-width: 120px;
}

.timeline-content {
  padding: 15px;
  background: var(--bg-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

/* Katta planshetlar uchun */
@media (max-width: 992px) {
  .timeline:before {
    left: 40px;
  }
  
  .timeline-item {
    padding-left: 80px;
    padding-right: 20px;
  }
  
  .timeline-date {
    position: absolute;
    left: 0;
    top: 0;
  }
}

/* Mobil qurilmalar uchun */
@media (max-width: 576px) {
  .timeline-date {
    position: relative;
    margin-bottom: 10px;
    min-width: 100%;
  }
  
  .timeline-content h3 {
    font-size: 1.1rem;
  }
  
  .year-range {
    display: inline-block;
    padding: 3px 8px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
  }
}