:root {
    /* Colors */
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #ec4899;
    --accent: #06b6d4;
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-text: linear-gradient(to right, #ffffff, #94a3b8);
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(15, 23, 42, 0.6);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img, svg {
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

.section {
    padding: 100px 0;
}

/* Background Effects */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.08), transparent 25%);
    z-index: -1;
    pointer-events: none;
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
}

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

.llc {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.btn-glow {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary) !important;
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-glow:hover {
    background: var(--primary);
    color: white !important;
    box-shadow: 0 0 15px var(--primary-glow);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    position: absolute;
    transition: all 0.3s;
}

.bar:first-child { top: 0; }
.bar:nth-child(2) { top: 9px; }
.bar:last-child { bottom: 0; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: #5558e6;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-main);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

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

.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
    min-width: 200px;
}

.card-1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    left: 10%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gradient-1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.gradient-2 { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.gradient-3 { background: linear-gradient(135deg, #06b6d4, #3b82f6); }

.card-info {
    display: flex;
    flex-direction: column;
}

.card-info .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-info .value {
    font-weight: 700;
    font-size: 1.1rem;
}

.abstract-shape {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    z-index: 1;
}

/* Services */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    padding: 32px;
    transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.status-badge.available {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #22c55e;
}

.featured-app {
    border: 1px solid rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.feature-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-main);
}

.app-links {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.app-store-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.app-store-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Technology */
.tech-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tech-description {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 500;
}

.check-icon {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-editor {
    background: #1e1e1e; /* Classic dark code theme */
    border: 1px solid #333;
    font-family: 'Fira Code', monospace;
}

.editor-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid #333;
    margin-bottom: 16px;
}

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

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

.filename {
    margin-left: auto;
    font-size: 0.8rem;
    color: #666;
}

pre {
    color: #d4d4d4;
    overflow-x: auto;
    font-size: 0.9rem;
}

/* Syntax Highlighting Mockup */
.kwd { color: #569cd6; }
.str { color: #ce9178; }
.cls { color: #4ec9b0; }
.func { color: #dcdcaa; }
.var { color: #9cdcfe; }
.type { color: #4ec9b0; }
.cmt { color: #6a9955; }

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.1rem;
}

.detail-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-form {
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: white;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.8);
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0 30px;
    background: #0b1120;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-copy {
    color: #475569;
    font-size: 0.85rem;
}

/* Animations Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero { padding-top: 120px; text-align: center; }
    .hero-container, .tech-container, .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content { margin: 0 auto; }
    .hero-cta { justify-content: center; }
    .hero-visual { display: none; } /* Simplify for mobile */
    .hero-title { font-size: 2.5rem; }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 40px;
        gap: 24px;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu-toggle.active .bar:first-child { transform: rotate(45deg) translate(5px, 6px); }
    .mobile-menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle.active .bar:last-child { transform: rotate(-45deg) translate(5px, -6px); }

    .contact-form { padding: 24px; }
}