:root {
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;
    --color-accent-primary: #7c3aed;
    --color-accent-secondary: #a855f7;
    --color-accent-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #ec4899 100%);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-family); background-color: var(--color-bg-primary); color: var(--color-text-primary); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
.gradient-text { background: var(--color-accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--spacing-sm) 0; background: rgba(10, 10, 15, 0.8); backdrop-filter: blur(20px); border-bottom: 1px solid var(--color-border); }
.navbar.scrolled { background: rgba(10, 10, 15, 0.95); box-shadow: var(--shadow-md); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: var(--spacing-xs); font-weight: 700; font-size: 1.25rem; }
.logo-icon { font-size: 1.5rem; background: var(--color-accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: var(--spacing-lg); }
.nav-links a { color: var(--color-text-secondary); font-weight: 500; font-size: 0.95rem; position: relative; }
.nav-links a:hover { color: var(--color-text-primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--color-accent-gradient); transition: var(--transition-normal); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { background: var(--color-accent-gradient); padding: var(--spacing-xs) var(--spacing-md) !important; border-radius: var(--radius-full); color: var(--color-text-primary) !important; }
.nav-cta:hover { box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.nav-cta::after { display: none !important; }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; padding: var(--spacing-xs); }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--color-text-primary); transition: var(--transition-normal); }

.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px var(--spacing-md) var(--spacing-2xl); position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.gradient-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; animation: float 20s ease-in-out infinite; }
.orb-1 { width: 600px; height: 600px; background: var(--color-accent-primary); top: -200px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--color-accent-secondary); bottom: -100px; left: -100px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: #ec4899; top: 50%; left: 50%; animation-delay: -10s; }
@keyframes float { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(30px, -30px) scale(1.05); } 66% { transform: translate(-20px, 20px) scale(0.95); } }

.hero-content { flex: 1; max-width: 650px; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--spacing-xs); background: var(--color-bg-card); border: 1px solid var(--color-border); padding: var(--spacing-xs) var(--spacing-md); border-radius: var(--radius-full); font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: var(--spacing-lg); }
.pulse { width: 8px; height: 8px; background: #10b981; border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; margin-bottom: var(--spacing-md); }
.hero-subtitle { font-size: 1.125rem; color: var(--color-text-secondary); margin-bottom: var(--spacing-xl); max-width: 500px; }
.hero-buttons { display: flex; gap: var(--spacing-sm); margin-bottom: var(--spacing-xl); flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-xs); padding: var(--spacing-sm) var(--spacing-lg); border-radius: var(--radius-md); font-weight: 600; font-size: 1rem; transition: var(--transition-normal); }
.btn-primary { background: var(--color-accent-gradient); color: var(--color-text-primary); }
.btn-primary:hover { box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.btn-secondary { background: var(--color-bg-card); border: 1px solid var(--color-border); color: var(--color-text-primary); }
.btn-secondary:hover { background: var(--color-bg-card-hover); border-color: var(--color-border-hover); }
.btn-full { width: 100%; }

.hero-stats { display: flex; gap: var(--spacing-xl); }
.stat { display: flex; flex-direction: column; }
.stat-number { font-size: 2rem; font-weight: 700; background: var(--color-accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.875rem; color: var(--color-text-muted); }

.hero-visual { flex: 1; display: flex; justify-content: center; align-items: center; position: relative; z-index: 1; }
.phone-mockup { width: 280px; height: 580px; background: linear-gradient(145deg, #2a2a35, #1a1a25); border-radius: 40px; padding: 12px; box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.1); position: relative; }
.phone-mockup::before { content: ''; position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 80px; height: 25px; background: #0a0a0f; border-radius: 20px; }
.phone-screen { width: 100%; height: 100%; background: linear-gradient(180deg, #1a1a25 0%, #12121a 100%); border-radius: 30px; overflow: hidden; padding: var(--spacing-md); padding-top: 50px; }
.app-preview { height: 100%; }
.app-header { height: 40px; background: var(--color-accent-gradient); border-radius: var(--radius-md); margin-bottom: var(--spacing-md); animation: shimmer 2s ease-in-out infinite; }
@keyframes shimmer { 0%, 100% { opacity: 0.8; } 50% { opacity: 1; } }
.app-content { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.app-card { height: 100px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.app-card.small { height: 60px; }

section { padding: var(--spacing-2xl) 0; }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-tag { display: inline-block; background: var(--color-bg-card); border: 1px solid var(--color-border); padding: var(--spacing-xs) var(--spacing-md); border-radius: var(--radius-full); font-size: 0.875rem; color: var(--color-accent-secondary); font-weight: 500; margin-bottom: var(--spacing-md); }
.section-title { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; margin-bottom: var(--spacing-sm); }
.section-subtitle { font-size: 1.125rem; color: var(--color-text-secondary); max-width: 600px; margin: 0 auto; }

.services { background: var(--color-bg-secondary); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: var(--spacing-md); }
.service-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--spacing-lg); transition: var(--transition-normal); }
.service-card:hover { background: var(--color-bg-card-hover); border-color: var(--color-border-hover); transform: translateY(-5px); }
.service-icon { width: 50px; height: 50px; background: var(--color-accent-gradient); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-md); }
.service-icon svg { width: 28px; height: 28px; stroke: white; }
.service-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.service-card p { color: var(--color-text-secondary); font-size: 0.95rem; }

.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: var(--spacing-lg); }
.app-card-showcase { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; transition: var(--transition-normal); }
.app-card-showcase:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.app-image { height: 200px; display: flex; align-items: center; justify-content: center; }
.app-icon-large { font-size: 4rem; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)); }
.app-info { padding: var(--spacing-lg); }
.app-category { font-size: 0.8rem; color: var(--color-accent-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.app-info h3 { font-size: 1.5rem; font-weight: 600; margin: var(--spacing-xs) 0 var(--spacing-sm); }
.app-info p { color: var(--color-text-secondary); font-size: 0.95rem; margin-bottom: var(--spacing-md); }
.app-platforms { display: flex; gap: var(--spacing-xs); }
.platform { background: var(--color-bg-tertiary); padding: 4px 12px; border-radius: var(--radius-full); font-size: 0.8rem; color: var(--color-text-secondary); }

.about { background: var(--color-bg-secondary); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); align-items: center; }
.about-content .section-tag { margin-bottom: var(--spacing-sm); }
.about-content .section-title { text-align: left; margin-bottom: var(--spacing-md); }
.about-text { color: var(--color-text-secondary); margin-bottom: var(--spacing-md); font-size: 1.05rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); margin-top: var(--spacing-lg); }
.feature { display: flex; align-items: center; gap: var(--spacing-sm); }
.feature-icon { width: 24px; height: 24px; background: var(--color-accent-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: white; flex-shrink: 0; }
.feature span { font-size: 0.95rem; color: var(--color-text-secondary); }
.about-visual { display: flex; justify-content: center; }
.about-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--spacing-xl); width: 100%; max-width: 400px; }
.tech-stack { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); justify-content: center; }
.tech { background: var(--color-bg-tertiary); border: 1px solid var(--color-border); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-md); font-size: 0.95rem; color: var(--color-text-secondary); transition: var(--transition-normal); }
.tech:hover { border-color: var(--color-accent-primary); color: var(--color-text-primary); }

.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); align-items: start; }
.contact-info .section-tag { margin-bottom: var(--spacing-sm); }
.contact-info .section-title { text-align: left; margin-bottom: var(--spacing-md); }
.contact-text { color: var(--color-text-secondary); font-size: 1.05rem; margin-bottom: var(--spacing-xl); }
.contact-details { display: flex; flex-direction: column; gap: var(--spacing-md); }
.contact-item { display: flex; align-items: center; gap: var(--spacing-md); }
.contact-icon { width: 48px; height: 48px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.contact-icon svg { width: 24px; height: 24px; stroke: var(--color-accent-secondary); }
.contact-item .label { display: block; font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 2px; }
.contact-item a, .contact-item span:not(.label) { color: var(--color-text-primary); font-weight: 500; }
.contact-item a:hover { color: var(--color-accent-secondary); }

.contact-form { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--spacing-xl); }
.form-group { margin-bottom: var(--spacing-md); }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: var(--spacing-xs); color: var(--color-text-secondary); }
.form-group input, .form-group textarea { width: 100%; background: var(--color-bg-tertiary); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--spacing-sm) var(--spacing-md); font-family: inherit; font-size: 1rem; color: var(--color-text-primary); transition: var(--transition-normal); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-accent-primary); box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-text-muted); }
.form-group textarea { resize: vertical; min-height: 120px; }

.footer { background: var(--color-bg-secondary); border-top: 1px solid var(--color-border); padding: var(--spacing-2xl) 0 var(--spacing-lg); }
.footer-content { display: flex; justify-content: space-between; gap: var(--spacing-xl); padding-bottom: var(--spacing-xl); border-bottom: 1px solid var(--color-border); margin-bottom: var(--spacing-lg); }
.footer-brand { max-width: 300px; }
.footer-brand .logo { margin-bottom: var(--spacing-md); }
.footer-brand p { color: var(--color-text-secondary); font-size: 0.95rem; }
.footer-links { display: flex; gap: var(--spacing-2xl); }
.footer-column h4 { font-size: 1rem; font-weight: 600; margin-bottom: var(--spacing-md); }
.footer-column ul { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.footer-column a { color: var(--color-text-secondary); font-size: 0.95rem; }
.footer-column a:hover { color: var(--color-text-primary); }
.social-links { display: flex; gap: var(--spacing-sm); }
.social-links a { width: 40px; height: 40px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; transition: var(--transition-normal); }
.social-links a:hover { background: var(--color-accent-primary); border-color: var(--color-accent-primary); }
.social-links svg { width: 20px; height: 20px; }
.footer-bottom { text-align: center; }
.footer-bottom p { color: var(--color-text-muted); font-size: 0.875rem; }

@media (max-width: 992px) {
    .hero { flex-direction: column; text-align: center; padding-top: 140px; }
    .hero-content { max-width: 100%; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { margin-top: var(--spacing-xl); }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .about-content .section-title, .contact-info .section-title { text-align: center; }
    .about-content .section-tag, .contact-info .section-tag { display: block; text-align: center; }
    .about-text, .contact-text { text-align: center; }
    .contact-details { align-items: center; }
}

@media (max-width: 768px) {
    .nav-links { position: fixed; top: 70px; left: 0; right: 0; background: var(--color-bg-secondary); flex-direction: column; padding: var(--spacing-lg); gap: var(--spacing-md); transform: translateY(-150%); opacity: 0; transition: var(--transition-normal); border-bottom: 1px solid var(--color-border); }
    .nav-links.active { transform: translateY(0); opacity: 1; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .hero-stats { flex-direction: column; gap: var(--spacing-md); }
    .services-grid { grid-template-columns: 1fr; }
    .apps-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-brand { max-width: 100%; }
    .footer-links { justify-content: center; }
    .phone-mockup { width: 240px; height: 500px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; }
    .footer-links { flex-direction: column; gap: var(--spacing-lg); }
}