:root {
    --primary-color: #ffffff;
    --accent-color: #0052cc;
    --accent-light: #4c9aff;
    --accent-dark: #0747a6;
    --bg-dark: #0a111f;
    --bg-card: rgba(18, 28, 45, 0.8);
    --text-primary: #f7f9fc;
    --text-secondary: #c9d1d9;
    --success: #36b37e;
    --warning: #ffab00;
    --danger: #ff5630;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 24px;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);
    --size-xs: 4px;
    --size-sm: 8px;
    --size-md: 16px;
    --size-lg: 24px;
    --size-xl: 32px;
    --size-2xl: 48px;
    --size-3xl: 64px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    min-height: 100vh;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--size-md);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    margin-bottom: var(--size-lg);
    position: relative;
    display: inline-block;
    color: var(--accent-light);
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    height: 4px;
    width: 60px;
    background: var(--accent-color);
    border-radius: 2px;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(180deg, rgba(10, 17, 31, 0.9) 0%, rgba(10, 17, 31, 1) 100%);
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: var(--size-lg);
    box-shadow: 0 0 30px rgba(76, 154, 255, 0.3);
    animation: pulse 2s infinite ease-in-out;
}

.preloader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.preloader-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: var(--accent-color);
    animation: loading 2s ease-out forwards;
}

.preloader-text {
    margin-top: var(--size-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 17, 31, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--size-md) 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--size-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--size-md);
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.nav-logo span {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--size-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-light);
    transition: var(--transition-fast);
}

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

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

.nav-cta {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--size-2xl) 0;
    position: relative;
    overflow: hidden;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--accent-light);
    margin-bottom: var(--size-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.2s;
}

.hero-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.4s;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--size-xl);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

.hero-cta {
    display: inline-flex;
    gap: var(--size-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.8s;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.hero-image {
    position: absolute;
    right: 19%;
    top: 50%;
    transform: translateY(-50%);
    width: 25%;
    max-width: 500px;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1s;
}

.hero-scroll {
    position: absolute;
    bottom: var(--size-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--size-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.5s;
}

.hero-scroll-icon {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

.section {
    padding: var(--size-3xl) 0;
    position: relative;
}

.section-header {
    text-align: left;
    margin-bottom: var(--size-2xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--size-lg);
}

.skill-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: var(--size-lg);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--size-md);
    text-align: center;
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.skill-card.show {
    transform: translateY(0);
    opacity: 1;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 82, 204, 0.2);
    border-color: rgba(76, 154, 255, 0.2);
}

.skill-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: var(--transition-fast);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1);
}

.skill-name {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.skill-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--size-sm);
}

.skill-level {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: var(--size-md);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-color);
    border-radius: 3px;
    transition: width 1s ease-out;
    width: 0;
}

.social-container {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--size-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    margin-bottom: var(--size-3xl);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--size-lg);
}

.social-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--size-lg);
    display: flex;
    align-items: center;
    gap: var(--size-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease, box-shadow 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

.social-card.show {
    transform: translateY(0);
    opacity: 1;
}

.social-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.social-card:hover .social-icon {
    transform: rotate(10deg) scale(1.1);
}

.social-info {
    flex: 1;
}

.social-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--primary-color);
}

.social-username {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.social-youtube {
    border-left: 4px solid #ff0000;
}
.social-youtube .social-icon {
    color: #ff0000;
}
.social-youtube:hover {
    background: rgba(255, 0, 0, 0.1);
}

.social-facebook {
    border-left: 4px solid #1877f2;
}
.social-facebook .social-icon {
    color: #1877f2;
}
.social-facebook:hover {
    background: rgba(24, 119, 242, 0.1);
}

.social-tiktok {
    border-left: 4px solid #ee1d52;
}
.social-tiktok .social-icon {
    color: #ee1d52;
}
.social-tiktok:hover {
    background: rgba(238, 29, 82, 0.1);
}

.social-github {
    border-left: 4px solid #6e5494;
}
.social-github .social-icon {
    color: #6e5494;
}
.social-github:hover {
    background: rgba(110, 84, 148, 0.1);
}

.social-discord {
    border-left: 4px solid #5865F2;
}
.social-discord .social-icon {
    color: #5865F2;
}
.social-discord:hover {
    background: rgba(110, 84, 148, 0.1);
}

.bank-container {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--size-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.bank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--size-xl);
}

.bank-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--size-lg);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease, box-shadow 0.3s ease;
}

.bank-card.show {
    transform: translateY(0);
    opacity: 1;
}

.bank-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.bank-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--size-lg);
    padding-bottom: var(--size-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    gap: var(--size-md);
}

.bank-logo {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    object-fit: cover;
    background: white;
    padding: 10px;
}

.bank-title {
    flex: 1;
}

.bank-name {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.bank-country {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bank-content {
    display: flex;
    flex-direction: column;
}

.bank-detail {
    display: flex;
    margin-bottom: var(--size-md);
    align-items: flex-start;
}

.bank-detail-icon {
    width: 24px;
    color: var(--accent-light);
    margin-right: var(--size-md);
}

.bank-detail-content {
    flex: 1;
}

.bank-detail-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.bank-detail-value {
    font-weight: 500;
    color: var(--primary-color);
}

.bank-qr {
    display: flex;
    justify-content: center;
    margin: var(--size-lg) 0;
}

.bank-qr img {
    width: 300px;
    height: 300px;
    background: white;
    padding: 10px;
    border-radius: 10px;
    transition: var(--transition-fast);
}

.bank-qr img:hover {
    transform: scale(1.05);
}

.bank-actions {
    display: flex;
    gap: var(--size-md);
    margin-top: var(--size-md);
}

.bank-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition-fast);
}

.bank-action:hover {
    background: var(--accent-color);
}

.footer {
    background: rgba(10, 17, 31, 0.8);
    padding: var(--size-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--size-3xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--size-md);
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: var(--size-md);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}