:root {
    --bg-dark: #0a0a0c;
    --bg-darker: #050506;
    --primary: #00f2ff;
    --secondary: #bd00ff;
    --text-main: #ffffff;
    --text-muted: #a0a0a5;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --nav-height: 80px;
    --container-width: 1200px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    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;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography Utilities */
.heading-xl {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.heading-lg {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 10px 30px rgba(189, 0, 255, 0.3);
}

.btn-gradient:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(189, 0, 255, 0.5);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary);
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

#navbar.scrolled {
    height: 70px;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.8rem;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}

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

.cta-small {
    padding: 0.6rem 1.5rem !important;
    font-size: 0.9rem;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.glass-dark {
    background: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

/* Hero Section */
.hero-section {
    padding: calc(var(--nav-height) + 100px) 0 100px;
    position: relative;
    overflow: hidden;
}

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

.hero-subtext {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.mockup-container {
    position: relative;
    z-index: 1;
}

.floating-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
    animation: float 6s ease-in-out infinite;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(189, 0, 255, 0.15) 0%, transparent 70%);
    z-index: -1;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

/* Features Section */
.features-section {
    padding: 100px 0;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.icon-box {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 10px 20px rgba(0, 242, 255, 0.2);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Showcase Section */
.showcase-section {
    padding: 120px 0;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.check-list {
    list-style: none;
    margin-top: 2rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.check-list i {
    color: var(--primary);
    font-size: 1.2rem;
}

.visual-card {
    position: relative;
    padding: 2rem;
    text-align: center;
}

.secondary-mockup {
    width: 80%;
    transform: rotate(5deg);
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border: 1px solid var(--primary);
    border-radius: 50%;
    animation: pulse 4s infinite;
}

@keyframes pulse {
    0% { width: 300px; height: 300px; opacity: 0.5; }
    100% { width: 500px; height: 500px; opacity: 0; }
}

/* Download Section */
.download-section {
    padding: 120px 0;
    background: radial-gradient(circle at bottom, rgba(189, 0, 255, 0.1), transparent 70%);
}

.download-btns {
    margin-top: 3rem;
}

.store-btn img {
    height: 60px;
    transition: var(--transition);
}

.store-btn:hover img {
    transform: scale(1.05);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: center;
    text-align: center;
    margin-bottom: 60px;
}

.footer-links {
    display: flex;
    gap: 5rem;
}

.link-group h4 {
    margin-bottom: 1.5rem;
    color: #fff;
}

.link-group a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: #555;
    font-size: 0.9rem;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s ease-out;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 992px) {
    .hero-grid, .showcase-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-btns { justify-content: center; }
    .hero-subtext { margin-left: auto; margin-right: auto; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 3rem; text-align: center; }
    .footer-links { justify-content: center; gap: 3rem; }
    .nav-links { display: none; } /* Mobile menu logic in JS */
}