:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --text-muted: #a1a1aa;
    --primary-color: #8b5cf6;
    --secondary-color: #ec4899;
    --accent-color: #3b82f6;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
}

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

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

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

/* Typography */
h1,
h2,
h3,
.logo {
    font-family: var(--font-display);
}

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

/* Header */
header {
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

/* Hero Section */
.hero {
    padding: 13rem 0 8rem;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Form */
.waitlist-form {
    max-width: 500px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    background: var(--glass-bg);
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.waitlist-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem 1.5rem;
    color: white;
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
}

.waitlist-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    min-height: 1.5em;
}

.form-message.success {
    color: #10b981;
}

/* Features */
.features {
    padding: 3rem 0 6rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(330px, 450px));
    gap: 3rem;
    margin: auto;
    max-width: 960px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

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

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

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

/* Background Glow */
.background-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    background:
        radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .input-group {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
    }

    .waitlist-form input {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 50px;
        margin-bottom: 1rem;
        width: 100%;
    }

    .waitlist-form button {
        width: 100%;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        gap: 3.6rem;
    }
}