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

:root {
    --primary: #0057ff;
    --primary-dark: #0040cc;
    --primary-light: #3385ff;
    --secondary: #0a0a0a;
    --dark: #0f0f0f;
    --darker: #080808;
    --gray: #1a1a1a;
    --gray-light: #2a2a2a;
    --text: #e0e0e0;
    --text-muted: #888888;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #0057ff, #00c3ff);
    --gradient-dark: linear-gradient(135deg, #0038cc, #0099ff);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 5px 20px rgba(0, 0, 0, 0.3);
    --border-radius: 16px;
    --border-radius-sm: 12px;
}

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

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.gradient-sphere {
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 87, 255, 0.15), transparent);
    top: -30vw;
    right: -30vw;
    animation: float 20s ease-in-out infinite;
}

.gradient-sphere.delay {
    width: 50vw;
    height: 50vw;
    bottom: -25vw;
    left: -25vw;
    top: auto;
    right: auto;
    background: radial-gradient(circle, rgba(0, 195, 255, 0.1), transparent);
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.98); }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.logo-badge {
    font-size: 0.7rem;
    background: var(--primary);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

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

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--text);
    text-decoration: none;
    padding: 0.75rem;
    text-align: center;
    font-weight: 500;
    transition: all 0.3s;
}

.mobile-link:hover {
    color: var(--primary);
    background: rgba(0, 87, 255, 0.1);
}

/* Sections */
.section {
    padding: 100px 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    color: var(--primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--gradient);
    margin: 0 auto;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 87, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 87, 255, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.highlight {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 87, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 87, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-light);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(0, 87, 255, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Code Card */
.code-card {
    background: var(--dark);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-light);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.code-header {
    background: var(--gray);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
}

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

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-body {
    padding: 1.5rem;
    background: #0a0c10;
}

.code-body pre {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #e4e4e4;
}

.code-keyword { color: #ff79c6; }
.code-variable { color: #8be9fd; }
.code-string { color: #50fa7b; }

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gray);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 500;
}

.skill-item i {
    color: var(--primary);
    font-size: 1.1rem;
}

.about-card {
    background: var(--dark);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-light);
    padding: 2rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-weight: 500;
}

.info-label i {
    margin-right: 0.5rem;
    color: var(--primary);
}

.info-value {
    font-weight: 600;
    color: var(--white);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--dark);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 87, 255, 0.1), rgba(0, 195, 255, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--secondary);
    border-top: 1px solid var(--gray-light);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-light);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-desc {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .section {
        padding: 70px 0;
    }
}

@media (max-width: 568px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .stat {
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        justify-content: center;
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .code-body pre {
        font-size: 0.7rem;
    }
}