:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.container {
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 600px;
}

.content {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 4rem 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeUp 1s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.icon-container {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
}

.icon {
    width: 32px;
    height: 32px;
    color: var(--accent-color);
    position: relative;
    z-index: 2;
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--accent-glow);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    z-index: 1;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

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

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

@media (max-width: 640px) {
    .content {
        padding: 3rem 1.5rem;
    }
    h1 {
        font-size: 2rem;
    }
    p {
        font-size: 1rem;
    }
}