:root {
    --bg-dark: #0a0a0a;
    --bg-card: #171717;
    --primary: #00ff9d;
    --primary-glow: rgba(0, 255, 157, 0.5);
    --secondary: #ffd700;
    --text-main: #ffffff;
    --text-muted: #a3a3a3;
    --font-main: 'Outfit', sans-serif;
}

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

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

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-secondary {
    border: 1px solid var(--text-muted);
    color: var(--text-main);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    transition: border-color 0.3s;
}

.btn-secondary:hover {
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--primary);
    text-shadow: 0 0 20px var(--primary-glow);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 450px;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.glow-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.2;
    z-index: 1;
}

.card-visual {
    perspective: 1000px;
    z-index: 2;
}

.card-glass {
    width: 380px;
    height: 240px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: rotateY(-15deg) rotateX(10deg);
    box-shadow: 20px 20px 50px rgba(0,0,0,0.5);
    transition: transform 0.5s ease;
}

.card-glass:hover {
    transform: rotateY(0) rotateX(0);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    letter-spacing: 2px;
}

.card-number {
    font-size: 1.5rem;
    letter-spacing: 4px;
    margin-top: 20px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

/* Features Section */
.features {
    padding: 5rem 5%;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 157, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

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

/* About Section */
.about {
    padding: 5rem 5%;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-dark), #111);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.about p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 3rem 5%;
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-logo {
    font-weight: 800;
    font-size: 1.2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .cta-group {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 4rem;
        width: 100%;
    }

    .nav-links {
        display: none; /* Simple hide for mobile MVP */
    }
}