:root {
    --bg-dark: #0a0a0c;
    --accent: #ff007f;
    /* Magenta Neon */
    --accent-blue: #00d2ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a0ab;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

/* --- Buttons --- */
.btn-primary {
    background: var(--accent);
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.btn-glow {
    background: linear-gradient(45deg, var(--accent), #ff4b2b);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    box-shadow: 0 10px 30px rgba(255, 0, 127, 0.3);
    transition: var(--transition);
}

.btn-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 0, 127, 0.4);
}

.btn-ghost {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-left: 1rem;
    transition: var(--transition);
}

.btn-ghost:hover {
    background: var(--glass-bg);
}

/* --- Hero --- */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#vanta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 6rem);
    line-height: 0.9;
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: -2px;
}

.hero-content .accent {
    background: linear-gradient(to right, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* --- Features --- */
.features-section {
    padding: 8rem 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    text-align: left;
    transition: var(--transition);
    cursor: default;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
    transform: translateY(-10px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.glass-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.glass-card p {
    color: var(--text-secondary);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 1s ease forwards;
}

.fade-in-delayed {
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .btn-ghost {
        margin: 1rem 0 0 0;
        display: inline-block;
        width: 100%;
    }

    .btn-glow {
        width: 100%;
        display: inline-block;
    }
}