/* Global Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #7f8c8d;
    --white: #fff;
    --black: #000;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-family: 'Ubuntu', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    color: var(--dark-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

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

.btn-small {
    padding: 8px 16px;
    font-size: 0.8rem;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}
/* start */
/* Logo uchun yangi stil */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 15px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: var(--transition);
    background: rgba(52, 152, 219, 0.1);
}

.logo-container:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.logo-main {
    font-family: 'Ubuntu', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 1px;
}

.logo-dot {
    color: var(--accent-color);
    font-weight: 900;
}

.logo-sub {
    font-family: 'Poppins', sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 3px;
    color: var(--text-color);
}

/* Kichik ekranlar uchun moslashuvchanlik */
@media (max-width: 768px) {
    .logo-main {
        font-size: 1.5rem;
    }
    .logo-sub {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }
}
/* end */

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

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

nav ul li a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
}

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

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 400px;
}

.tech-icons i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.tech-icons i:hover {
    color: var(--white);
    transform: translateY(-5px);
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

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

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    margin-bottom: 30px;
    color: var(--text-light);
}

.personal-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.personal-info div {
    display: flex;
    gap: 10px;
}

.personal-info span {
    font-weight: 600;
    color: var(--dark-color);
}

.personal-info p {
    margin: 0;
    color: var(--text-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--dark-color);
    transition: var(--transition);
}

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

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 10px;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-border {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 5px solid var(--primary-color);
    border-radius: 10px;
    z-index: -1;
}

/* Experience Section */
.experience {
    padding: 100px 0;
    background-color: var(--light-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 100%;
}

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

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 30px);
    text-align: right;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 30px);
}

.timeline-date {
    position: absolute;
    top: 0;
    width: 150px;
    padding: 10px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
}

.timeline-item:nth-child(odd) .timeline-date {
    right: calc(50% + 30px);
}

.timeline-item:nth-child(even) .timeline-date {
    left: calc(50% + 30px);
}

.timeline-content {
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    transform: rotate(45deg);
    box-shadow: 3px -3px 10px rgba(0, 0, 0, 0.1);
}

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

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

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.timeline-content h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

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

/* Education Section */
.education {
    padding: 100px 0;
    background-color: var(--white);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 8px;
    transition: var(--transition);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.education-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.education-content h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.education-content h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.education-content p {
    color: var(--text-light);
    margin-bottom: 10px;
}

.education-content span {
    display: inline-block;
    padding: 3px 10px;
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background-color: var(--light-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    padding: 30px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.skill-category h3 i {
    color: var(--primary-color);
}

.skill-category ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-category ul li {
    position: relative;
    padding-left: 20px;
    color: var(--text-light);
}

.skill-category ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background-color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background-color: var(--white);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

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

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--light-color);
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
    max-width: 400px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-info p {
    margin-bottom: 30px;
    color: var(--text-light);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.info-item i {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.info-item p {
    margin: 0;
    color: var(--text-color);
}

.social-media {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    transition: var(--transition);
}

.social-media a:hover {
    background-color: var(--dark-color);
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    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 {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-about p {
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact ul li i {
    color: var(--primary-color);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--dark-color);
    transform: translateY(-5px);
}
/* start */
.project-image {
    height: 200px;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    padding: 10px;
    box-sizing: border-box;
}

.project-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1)
}
/* end */

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

    .hero-content {
        margin-bottom: 50px;
    }

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

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

    .about-text {
        order: 2;
        text-align: center;
    }

    .personal-info {
        justify-content: center;
    }

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

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

    .contact-info {
        max-width: 100%;
        text-align: center;
    }

    .info-item {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

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

    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 80px;
        padding-right: 0;
        text-align: left;
    }

    .timeline-item:nth-child(odd) .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        left: 0;
        right: auto;
    }

    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -10px;
        right: auto;
    }

    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        transition: var(--transition);
    }

    nav ul.active {
        left: 0;
    }

    nav ul li {
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

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

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

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

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

    .image-wrapper {
        width: 280px;
        height: 280px;
    }
}