:root {
    --primary: #4ade80;
    --primary-dark: #22c55e;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-white: #f8fafc;
    --text-dim: #94a3b8;
    --accent-gradient: linear-gradient(135deg, #4ade80 0%, #3b82f6 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(74, 222, 128, 0.1) 0, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.1) 0, transparent 50%);
    color: var(--text-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

.container {
    max-width: 600px;
    width: 90%;
    text-align: center;
    padding: 40px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-dim);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 35px;
}

.btn-primary {
    display: inline-block;
    padding: 16px 32px;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 15px -3px rgba(74, 222, 128, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(74, 222, 128, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.features {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--primary);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

/* Micro-animations */
.pulse {
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}