:root {
    --primary: #512BD4;
    --primary-dark: #3B1F9E;
    --primary-light: #7B4FE9;
    --secondary: #0D6EFD;
    --accent: #00D4AA;
    --bg-dark: #0A0A0F;
    --bg-darker: #050508;
    --bg-card: #12121A;
    --bg-card-hover: #1A1A25;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --text-muted: #6B6B7B;
    --border-color: #2A2A3A;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    max-width: 450px;
    width: 90%;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 80px rgba(81, 43, 212, 0.3);
    animation: modalSlide 0.4s ease-out;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.modal-content h2 {
    font-size: 28px;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

#username-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#username-input {
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-darker);
    color: var(--text-primary);
    font-size: 16px;
    transition: border-color 0.3s;
}

#username-input:focus {
    outline: none;
    border-color: var(--primary);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Fira Code', monospace;
    font-size: 20px;
    font-weight: 600;
}

.logo-bracket {
    color: var(--primary);
}

.logo-text {
    color: var(--text-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 15px;
}

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

.user-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 25px;
    border: 1px solid var(--border-color);
    font-size: 14px;
}

.user-icon {
    font-size: 16px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(81, 43, 212, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(13, 110, 253, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.greeting {
    color: var(--accent);
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 10px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 35px;
}

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

.btn-primary {
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(81, 43, 212, 0.4);
}

.btn-secondary {
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    border: 2px solid var(--border-color);
    transition: border-color 0.3s, background 0.3s;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(81, 43, 212, 0.1);
}

.code-block {
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.code-header {
    background: var(--bg-darker);
    padding: 12px 15px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27CA40; }

.code-content {
    padding: 25px;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.8;
    overflow-x: auto;
}

.keyword { color: #569CD6; }
.class-name { color: #4EC9B0; }
.string { color: #CE9178; }
.method { color: #DCDCAA; }

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 12px;
    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); }
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-darker);
}

.section-title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
    font-size: 18px;
}

.about-content {
    display: grid;
    grid-template-columns: auto 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-photo {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 17px;
}

.about-text strong {
    color: var(--primary-light);
}

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

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 12px;
    color: var(--text-secondary);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.social-link:hover {
    transform: translateY(-3px);
}

.social-link.linkedin:hover {
    background: #0A66C2;
    color: white;
    border-color: #0A66C2;
}

.social-link.github:hover {
    background: #333;
    color: white;
    border-color: #333;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(81, 43, 212, 0.2);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(81, 43, 212, 0.1) 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 15px;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

.btn-service {
    display: inline-block;
    padding: 12px 28px;
    background: transparent;
    color: var(--primary-light);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--primary);
    transition: all 0.3s;
}

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

.stacks-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.stack-card {
    background: var(--bg-card);
    padding: 35px 20px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stack-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.stack-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    font-size: 28px;
    font-weight: 700;
}

.stack-icon.csharp {
    background: linear-gradient(135deg, #68217A, #9B4F96);
    color: white;
}

.stack-icon.dotnet {
    background: linear-gradient(135deg, #512BD4, #7B4FE9);
    color: white;
    font-size: 18px;
}

.stack-icon.sql {
    background: linear-gradient(135deg, #CC2927, #E74856);
    color: white;
}

.stack-icon.rabbit {
    background: linear-gradient(135deg, #FF6600, #FFA500);
    font-size: 35px;
}

.stack-icon.azure {
    background: linear-gradient(135deg, #0078D4, #00BCF2);
    font-size: 35px;
}

.stack-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.stack-card p {
    color: var(--text-secondary);
    font-size: 13px;
}

.game-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.game-header {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
}

.game-stat {
    text-align: center;
}

.game-stat .stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.game-stat .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-light);
}

.game-area {
    height: 400px;
    position: relative;
    background: linear-gradient(180deg, #0D0D15 0%, #1A1A25 100%);
    overflow: hidden;
}

.game-start-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.9);
    z-index: 10;
}

.game-start-overlay.hidden {
    display: none;
}

.game-start-overlay h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.game-start-overlay p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.discount-badge {
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    margin: 15px 0;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.game-footer {
    padding: 15px 20px;
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.my-record {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
}

#my-high-score {
    color: var(--warning);
    font-weight: 700;
}

.bug {
    position: absolute;
    font-size: 30px;
    cursor: pointer;
    transition: transform 0.1s;
    user-select: none;
    animation: bugFloat 0.5s ease-in-out infinite alternate;
}

.bug:hover {
    transform: scale(1.2);
}

@keyframes bugFloat {
    from { transform: translateY(-3px); }
    to { transform: translateY(3px); }
}

.good-code {
    position: absolute;
    font-size: 24px;
    cursor: pointer;
    user-select: none;
    opacity: 0.7;
}

.leaderboard {
    max-width: 500px;
    margin: 40px auto 0;
    background: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.leaderboard h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 20px;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: var(--bg-darker);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.leaderboard-item.gold {
    border-color: #FFD700;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.1) 0%, var(--bg-darker) 100%);
}

.leaderboard-item.silver {
    border-color: #C0C0C0;
}

.leaderboard-item.bronze {
    border-color: #CD7F32;
}

.leaderboard-item .rank {
    width: 40px;
    font-weight: 700;
    color: var(--primary-light);
}

.leaderboard-item .player-name {
    flex: 1;
}

.leaderboard-item .player-score {
    font-weight: 700;
    color: var(--accent);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s;
}

.contact-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 35px;
    margin-bottom: 10px;
}

.contact-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.contact-card a {
    color: var(--primary-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.contact-card a:hover {
    color: var(--accent);
}

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

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-darker);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 16px;
}

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

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

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

.footer-links {
    display: flex;
    gap: 25px;
}

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

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

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5);
}

@media (max-width: 1024px) {
    .stacks-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .user-display {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .code-content {
        font-size: 12px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-photo {
        justify-content: center;
        margin-bottom: 20px;
    }
    
    .profile-photo {
        width: 100px;
        height: 100px;
    }
    
    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-card {
        flex: 1;
        min-width: 150px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stacks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .contact-card {
        flex: 1;
        min-width: 150px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .game-header {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .game-area {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        padding: 30px 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .stacks-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
    }
    
    .contact-card {
        width: 100%;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.screen-shake {
    animation: shake 0.5s ease-in-out;
}

.fireworks-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10000;
    overflow: hidden;
}

.firework {
    position: absolute;
    width: 10px;
    height: 10px;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: explode 1s ease-out forwards;
}

@keyframes explode {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}