:root {
    --bg-color: #05050a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #00f2ff;
    --accent-secondary: #bd00ff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --font-main: '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-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.background-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(189, 0, 255, 0.15), rgba(0, 242, 255, 0.1), transparent 60%);
    z-index: -1;
    animation: pulse 10s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

/* Layout */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 100px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.github-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.github-link:hover {
    opacity: 0.8;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

/* Components */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 242, 255, 0.1);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 255, 0.2);
}

.button-primary {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(189, 0, 255, 0.3);
}

/* Sections */
.hero {
    text-align: center;
    padding: 4rem 0 8rem;
    animation: fadeUp 1s ease-out;
}

.hero .subtitle {
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.25rem;
}

.signup-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto;
}

.signup-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.signup-form input:focus {
    border-color: var(--accent-primary);
}

.signup-form button {
    padding: 1rem 2rem;
    border-radius: 50px;
    border: none;
    background: white;
    color: black;
    font-family: var(--font-main);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.signup-form button:hover {
    transform: scale(1.05);
}

.features {
    margin-bottom: 8rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.card {
    padding: 2rem;
    border-radius: 24px;
    transition: transform 0.3s, background 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

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

.cta-content {
    text-align: center;
    padding: 4rem 2rem;
    border-radius: 32px;
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    margin-bottom: 2.5rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .signup-form { flex-direction: column; }
    .hero { padding: 2rem 0 4rem; }
}