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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff6b35;
    --accent-color: #00ff88;
    --dark-bg: #0a192f;
    --light-bg: #112240;
    --text-light: #8892b0;
    --text-white: #ccd6f6;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    --gradient-2: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-3: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    --shadow: 0 10px 30px -15px rgba(0, 212, 255, 0.3);
}

html {
    scroll-behavior: smooth;
}

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

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
    background-color: rgba(10, 25, 47, 0.98);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 28px;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    color: var(--text-white);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-30px, 30px) rotate(240deg); }
}

.hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

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

.greeting {
    display: block;
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
    animation: fadeIn 1s ease-out 0.2s both;
}

.name {
    display: block;
    font-size: 64px;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    animation: fadeIn 1s ease-out 0.4s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: 32px;
    color: var(--text-white);
    margin-bottom: 10px;
    animation: fadeIn 1s ease-out 0.6s both;
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
    animation: fadeIn 1s ease-out 0.8s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    animation: fadeIn 1s ease-out 1s both;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

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

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

.social-links {
    display: flex;
    gap: 20px;
    animation: fadeIn 1s ease-out 1.2s both;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icon:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-5px) rotate(360deg);
}

.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

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

.profile-circle {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: var(--gradient-1);
    position: relative;
    animation: pulse 3s infinite ease-in-out;
}

.profile-circle::before {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    opacity: 0.3;
    animation: rotate 10s linear infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(15px); opacity: 0; }
}

.section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.about {
    padding: 100px 20px;
    background: var(--dark-bg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.skills {
    padding: 100px 20px;
    background: var(--light-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card {
    background: var(--dark-bg);
    padding: 40px 20px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.skill-card i {
    font-size: 48px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.skill-card h3 {
    font-size: 18px;
    color: var(--text-white);
}

.education {
    padding: 100px 20px;
    background: var(--dark-bg);
}

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

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

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

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: calc(50% + 40px);
    text-align: right;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.timeline-content {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

.timeline-date {
    display: inline-block;
    padding: 5px 15px;
    background: var(--gradient-1);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-white);
}

.timeline-content h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.timeline-content p {
    color: var(--text-light);
    margin-bottom: 5px;
}

.grade {
    font-weight: 600;
    color: var(--accent-color) !important;
}

.projects {
    padding: 100px 20px;
    background: var(--light-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--dark-bg);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
    box-shadow: 0 15px 50px rgba(255, 107, 53, 0.3);
}

.project-header {
    background: var(--gradient-2);
    padding: 40px;
    text-align: center;
}

.project-header i {
    font-size: 64px;
    color: white;
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-white);
}

.project-date {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
}

.project-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-details {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.project-details p {
    color: var(--text-light);
    margin-bottom: 5px;
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    padding: 8px 16px;
    background: var(--light-bg);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--accent-color);
}

.interests {
    padding: 100px 20px;
    background: var(--dark-bg);
}

.interests-container {
    max-width: 1000px;
    margin: 0 auto;
}

.interests-category {
    margin-bottom: 50px;
}

.interests-category h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.interest-card {
    background: var(--light-bg);
    padding: 40px 20px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.interest-card:hover {
    transform: translateY(-10px) rotate(5deg);
    border-color: var(--accent-color);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.3);
}

.interest-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.interest-card p {
    font-size: 18px;
    color: var(--text-white);
    font-weight: 600;
}

.contact {
    padding: 100px 20px;
    background: var(--light-bg);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--dark-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.4);
}

.contact-card i {
    font-size: 48px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 22px;
    color: var(--text-white);
    margin-bottom: 15px;
}

.contact-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

.footer {
    background: var(--dark-bg);
    padding: 40px 20px;
    border-top: 1px solid var(--light-bg);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-3px) rotate(360deg);
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

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

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--light-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 30px 0;
    }

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

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

    .hero-image {
        order: -1;
    }

    .name {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 24px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .profile-circle {
        width: 250px;
        height: 250px;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 40px;
        margin-right: 0;
        text-align: left;
    }

    .timeline-dot {
        left: 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .section-title {
        font-size: 36px;
    }

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

@media (max-width: 480px) {
    .name {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .nav-container {
        padding: 15px 20px;
    }
}