/* Modern Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #f8fafc;
    overflow: hidden;
    position: relative;
}

/* Background Animated Gradient Blobs */
body::before, body::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
    animation: float 10s ease-in-out infinite alternate;
}

body::before {
    width: 400px;
    height: 400px;
    top: -100px;
    left: -100px;
    background: rgba(56, 189, 248, 0.4);
}

body::after {
    width: 300px;
    height: 300px;
    bottom: -50px;
    right: -50px;
    background: rgba(167, 139, 250, 0.4);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(30px) scale(1.05); }
}

/* Glassmorphism Card Container */
.container {
    position: relative;
    z-index: 1;
    padding: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 24px;
    padding: 3rem;
    max-width: 450px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6);
}

.card h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #38bdf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

/* Premium Button with Micro-interactions */
.primary-btn {
    appearance: none;
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    color: #fff;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(56, 189, 248, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.primary-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.primary-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(56, 189, 248, 0.4);
}

.primary-btn:hover::after {
    left: 100%;
}

.primary-btn:active {
    transform: translateY(0) scale(0.98);
}