:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --bg-dark: #0a0a1a;
    --bg-card: #12122a;
    --bg-card-hover: #1a1a3e;
    --bg-surface: #16163a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(99, 102, 241, 0.15);
    --border-hover: rgba(99, 102, 241, 0.4);
    --gradient-1: linear-gradient(135deg, #6366f1, #ec4899);
    --gradient-2: linear-gradient(135deg, #06b6d4, #6366f1);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Particles */
.particles {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px; height: 3px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10,10,26,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo i {
    font-size: 1.3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(99,102,241,0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 20px; height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-hover);
}

.btn-outline:hover {
    background: rgba(99,102,241,0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content { flex: 1; }

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99,102,241,0.1);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: clamp(2.5rem,5vw,4rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 50px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 48px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 400px;
}

.floating-cards {
    position: relative;
    width: 350px; height: 350px;
}

.floating-card {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.floating-card:hover {
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.floating-card i { font-size: 2rem; }
.floating-card span { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }

.card-1 { top: 0; left: 20%; animation: float 6s ease-in-out infinite; }
.card-1 i { color: #6366f1; }
.card-2 { top: 30%; right: 0; animation: float 6s ease-in-out infinite 1.5s; }
.card-2 i { color: #ec4899; }
.card-3 { bottom: 10%; left: 10%; animation: float 6s ease-in-out infinite 3s; }
.card-3 i { color: #06b6d4; }
.card-4 { bottom: 30%; right: 15%; animation: float 6s ease-in-out infinite 4.5s; }
.card-4 i { color: #f59e0b; }

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

/* Section Styles */
.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99,102,241,0.1);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem,4vw,2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Apps Section */
.apps-section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
    background: rgba(99,102,241,0.1);
}

.filter-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 28px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.5s ease both;
}

.app-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.app-card.hidden { display: none; }

.app-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.app-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}

.app-card:hover .app-placeholder { transform: scale(1.1); }

.app-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,26,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
}

.app-card:hover .app-overlay { opacity: 1; }

.overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    transform: translateY(20px);
}

.app-card:hover .overlay-btn { transform: translateY(0); }
.overlay-btn:hover { background: var(--primary); border-color: var(--primary); }

.app-badge {
    position: absolute;
    top: 16px; right: 16px;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.badge-new { background: #10b981; color: white; }
.badge-popular { background: #f59e0b; color: #1a1a2e; }
.badge-beta { background: #6366f1; color: white; }

.app-content { padding: 24px; }

.app-category {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.app-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }

.app-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.app-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

.tech-tag {
    padding: 4px 12px;
    background: rgba(99,102,241,0.1);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.app-stats-row { display: flex; gap: 16px; }

.app-stats-row span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.app-stats-row .fa-star { color: #f59e0b; }

.app-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-light);
    transition: var(--transition);
}

.app-link:hover { color: var(--primary); gap: 10px; }

/* About */
.about-section { padding: 100px 0; position: relative; z-index: 1; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-img-wrapper { position: relative; display: inline-block; }

.about-placeholder-img {
    width: 350px; height: 420px;
    background: var(--gradient-1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: rgba(255,255,255,0.8);
    position: relative;
    z-index: 2;
}

.about-decoration {
    position: absolute;
    top: 20px; left: 20px; right: -20px; bottom: -20px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    opacity: 0.3;
    z-index: 1;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0 36px;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.highlight i { color: #10b981; font-size: 1.1rem; }

/* Tech */
.tech-section { padding: 100px 0; position: relative; z-index: 1; }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 30px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: default;
}

.tech-item:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

.tech-item i {
    font-size: 2.2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span { font-size: 0.88rem; font-weight: 600; color: var(--text-secondary); }

/* Contact */
.contact-section { padding: 100px 0; position: relative; z-index: 1; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

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

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover { border-color: var(--primary); background: var(--bg-card-hover); }

.contact-icon {
    width: 48px; height: 48px;
    background: rgba(99,102,241,0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.contact-card p { font-size: 0.88rem; color: var(--text-secondary); }

.social-links { display: flex; gap: 12px; margin-top: 8px; }

.social-link {
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand i {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text { font-size: 0.88rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }

.footer-links a {
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4,0,0.2,1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero { flex-direction: column; text-align: center; padding-top: 140px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .about-grid { grid-template-columns: 1fr; gap: 50px; text-align: center; }
    .about-image { display: flex; justify-content: center; }
    .about-placeholder-img { width: 280px; height: 340px; font-size: 4rem; }
    .about-highlights { justify-items: center; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: rgba(10,10,26,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 30px;
        gap: 4px;
        transition: var(--transition);
        border-left: 1px solid var(--border);
    }
    .nav-menu.active { right: 0; }
    .nav-link { width: 100%; padding: 14px 18px; font-size: 1rem; }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 2.2rem; }
    .hero-visual { display: none; }
    .hero-stats { gap: 30px; }
    .apps-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; }
    .about-highlights { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero { padding-top: 120px; }
    .hero-title { font-size: 1.8rem; }
    .hero-buttons { flex-direction: column; }
    .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
    .filter-bar { gap: 6px; }
    .filter-btn { padding: 8px 16px; font-size: 0.82rem; }
    .contact-form { padding: 24px; }
    .tech-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .tech-item { padding: 20px 12px; }
}