/* CSS Variables for Design System */
:root {
    --primary: 220 70% 50%;
    --primary-foreground: 210 20% 98%;
    --accent: 210 40% 60%;
    --accent-foreground: 222.2 84% 4.9%;
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --border: 214.3 31.8% 91.4%;
    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
    
    /* Gradients */
    --gradient-subtle: linear-gradient(135deg, hsl(var(--background)), hsl(210 20% 98%));
    --shadow-architectural: 0 20px 40px -10px hsl(var(--primary) / 0.3);
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
    :root {
        --background: 222.2 84% 4.9%;
        --foreground: 210 40% 98%;
        --card: 222.2 84% 4.9%;
        --card-foreground: 210 40% 98%;
        --muted-foreground: 215 20.2% 65.1%;
        --border: 217.2 32.6% 17.5%;
        --gradient-subtle: linear-gradient(135deg, hsl(var(--background)), hsl(217.2 32.6% 17.5%));
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--gradient-subtle);
    color: hsl(var(--foreground));
    min-height: 100vh;
    line-height: 1.6;
}

/* Main Content */
.main-content {
    min-height: 100vh;
    background: var(--gradient-subtle);
}

.content-section {
    padding-top: 6rem;
    padding-bottom: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 96px);
}

.content-container {
    max-width: 672px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
    width: 100%;
}

.content-card {
    background: hsl(var(--background) / 0.8);
    backdrop-filter: blur(12px);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-architectural);
    border: none;
}

/* Icons */
.icon-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.icon-wrapper {
    position: relative;
}

.construction-icon {
    width: 6rem;
    height: 6rem;
    color: hsl(var(--primary));
    animation: pulse 2s infinite;
}

.wrench-icon {
    width: 2rem;
    height: 2rem;
    color: hsl(var(--accent));
    position: absolute;
    bottom: -0.5rem;
    right: -0.5rem;
    animation: bounce 1s infinite;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

/* Heading */
.main-heading {
    font-size: 2.5rem;
    font-weight: 700;
    color: hsl(var(--foreground));
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .main-heading {
        font-size: 3rem;
    }
}

/* Description */
.description {
    font-size: 1.25rem;
    color: hsl(var(--muted-foreground));
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    color: hsl(var(--primary));
}

.clock-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.status-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.back-button:hover {
    background: hsl(var(--primary) / 0.9);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px hsl(var(--primary) / 0.4);
}

.arrow-icon {
    width: 1rem;
    height: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .content-card {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .main-heading {
        font-size: 2rem;
    }
    
    .description {
        font-size: 1.125rem;
    }
}