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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #050805;
    background-image:
        radial-gradient(ellipse 90% 70% at 12% -8%, rgba(52, 211, 153, 0.28), transparent 55%),
        radial-gradient(ellipse 80% 55% at 100% 108%, rgba(22, 163, 74, 0.2), transparent 50%),
        radial-gradient(ellipse 45% 35% at 72% 18%, rgba(16, 185, 129, 0.1), transparent 45%),
        linear-gradient(165deg, #050805 0%, #0a1610 42%, #07140e 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #e8f5ee;
    overflow-x: hidden;
}

.env-banner-wrap {
    position: fixed;
    top: 0;
    right: 0;
    width: 140px;
    height: 140px;
    overflow: hidden;
    pointer-events: none;
    z-index: 1000;
}

.env-banner {
    position: absolute;
    top: 28px;
    right: -44px;
    width: 180px;
    padding: 8px 0;
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transform: rotate(45deg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.env-banner--develop {
    background: linear-gradient(135deg, #4ade80 0%, #15803d 100%);
    color: #ecfdf5;
}

.env-banner--staging {
    background: linear-gradient(135deg, #fde047 0%, #ca8a04 100%);
    color: #422006;
}

.env-banner--production {
    background: linear-gradient(135deg, #f87171 0%, #b91c1c 100%);
    color: #fef2f2;
}

.container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content {
    width: 100%;
    animation: fadeIn 0.8s ease-in;
}

.welcome-card {
    background: linear-gradient(180deg, rgba(14, 28, 20, 0.78) 0%, rgba(8, 16, 12, 0.88) 100%);
    border: 1px solid rgba(52, 211, 153, 0.18);
    border-radius: 24px;
    padding: 60px 40px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    text-align: center;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.title {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6ee7b7 0%, #22c55e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.5rem;
    color: #a7c4b5;
    margin-bottom: 32px;
    font-weight: 400;
}

.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #34d399 0%, #15803d 100%);
    margin: 0 auto 32px;
    border-radius: 2px;
}

.description {
    font-size: 1.1rem;
    color: #c5d9ce;
    line-height: 1.6;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature {
    padding: 24px;
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(16, 40, 28, 0.9) 0%, rgba(10, 22, 16, 0.95) 100%);
    border: 1px solid rgba(52, 211, 153, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(16, 185, 129, 0.18);
    border-color: rgba(52, 211, 153, 0.28);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 1.3rem;
    color: #ecfdf5;
    margin-bottom: 8px;
    font-weight: 600;
}

.feature p {
    color: #9cb5a8;
    font-size: 0.95rem;
}

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

@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .welcome-card {
        padding: 40px 24px;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}