:root {
    --primary-color: #00d4ff;
    --secondary-color: #7b2fff;
    --accent-color: #ff2d78;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Raleway', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.stars, .stars2, .stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.stars {
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='10' cy='10' r='1' fill='%23ffffff' opacity='0.8'/%3E%3Ccircle cx='30' cy='20' r='0.8' fill='%23ffffff' opacity='0.6'/%3E%3Ccircle cx='50' cy='15' r='1.2' fill='%23ffffff' opacity='0.7'/%3E%3Ccircle cx='70' cy='25' r='0.9' fill='%23ffffff' opacity='0.5'/%3E%3Ccircle cx='90' cy='10' r='1' fill='%23ffffff' opacity='0.8'/%3E%3Ccircle cx='20' cy='40' r='0.7' fill='%23ffffff' opacity='0.6'/%3E%3Ccircle cx='40' cy='50' r='1.1' fill='%23ffffff' opacity='0.7'/%3E%3Ccircle cx='60' cy='45' r='0.8' fill='%23ffffff' opacity='0.5'/%3E%3Ccircle cx='80' cy='55' r='1' fill='%23ffffff' opacity='0.6'/%3E%3Ccircle cx='10' cy='70' r='0.9' fill='%23ffffff' opacity='0.7'/%3E%3Ccircle cx='30' cy='80' r='1.2' fill='%23ffffff' opacity='0.5'/%3E%3Ccircle cx='50' cy='75' r='0.7' fill='%23ffffff' opacity='0.8'/%3E%3Ccircle cx='70' cy='85' r='1' fill='%23ffffff' opacity='0.6'/%3E%3Ccircle cx='90' cy='70' r='0.8' fill='%23ffffff' opacity='0.7'/%3E%3C/svg%3E");
    animation: twinkle 5s ease-in-out infinite;
}

.stars2 {
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='15' cy='25' r='0.5' fill='%2300d4ff' opacity='0.6'/%3E%3Ccircle cx='45' cy='10' r='0.6' fill='%2300d4ff' opacity='0.5'/%3E%3Ccircle cx='75' cy='30' r='0.4' fill='%2300d4ff' opacity='0.7'/%3E%3Ccircle cx='25' cy='60' r='0.5' fill='%2300d4ff' opacity='0.5'/%3E%3Ccircle cx='55' cy='70' r='0.6' fill='%2300d4ff' opacity='0.6'/%3E%3Ccircle cx='85' cy='50' r='0.4' fill='%2300d4ff' opacity='0.7'/%3E%3C/svg%3E");
    animation: twinkle 7s ease-in-out infinite 1s;
}

.stars3 {
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='80' cy='15' r='0.3' fill='%237b2fff' opacity='0.5'/%3E%3Ccircle cx='20' cy='35' r='0.4' fill='%237b2fff' opacity='0.6'/%3E%3Ccircle cx='60' cy='40' r='0.3' fill='%237b2fff' opacity='0.5'/%3E%3Ccircle cx='40' cy='80' r='0.4' fill='%237b2fff' opacity='0.6'/%3E%3Ccircle cx='90' cy='85' r='0.3' fill='%237b2fff' opacity='0.5'/%3E%3C/svg%3E");
    animation: twinkle 9s ease-in-out infinite 2s;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.orb {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(123, 47, 255, 0.3) 0%, rgba(0, 212, 255, 0.1) 50%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: orb-float 15s ease-in-out infinite;
}

@keyframes orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-50px, 50px) scale(1.1); }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    position: relative;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
}

.greeting {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.wave {
    font-size: 36px;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

.hello {
    font-size: 20px;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.name {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(48px, 12vw, 80px);
    font-weight: 900;
    margin-bottom: 20px;
}

.first-name {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.last-name {
    color: var(--text-primary);
    display: block;
    margin-top: -10px;
}

.title {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 36px;
}

.cursor {
    color: var(--primary-color);
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.tagline p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.social-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.social-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.social-btn:hover::before {
    opacity: 1;
    visibility: visible;
}

.scroll-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-top: 60px;
    animation: bounce 2s ease-in-out infinite;
}

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

.scroll-btn svg {
    width: 24px;
    height: 24px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title-icon {
    font-size: 40px;
}

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

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 47, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 32px;
}

.card-icon svg {
    width: 40px;
    height: 40px;
}

.about-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 14px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

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

.skill-icon {
    font-size: 32px;
}

.skill-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 1s ease;
}

.skill-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.contact-form textarea {
    resize: none;
    min-height: 120px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.submit-btn svg {
    width: 20px;
    height: 20px;
}

.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-icp {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .name {
        font-size: 48px;
    }

    .title {
        font-size: 20px;
    }

    .section-title {
        font-size: 28px;
    }

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

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

    .footer-links {
        gap: 15px;
    }
}