/* PAS.AI Coming Soon - Stylesheet */
/* Design: Deep teal blues + ember orange accent (Alexandra's signature) */

:root {
    --color-bg: #0a0f14;
    --color-bg-subtle: #0d1219;
    --color-surface: #131a24;
    --color-border: #1e2a38;
    --color-text: #e4e8ec;
    --color-text-muted: #6b7d8f;
    --color-primary: #0d9488;       /* Deep teal */
    --color-primary-light: #14b8a6;
    --color-accent: #f97316;        /* Ember orange */
    --color-accent-glow: rgba(249, 115, 22, 0.15);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Subtle grain texture */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    z-index: 1000;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.125rem;
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-primary-light);
}

/* Main Container */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

/* Title */
.title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    color: var(--color-text);
}

.title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtitle */
.subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 540px;
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    width: 100%;
    max-width: 600px;
    margin-bottom: 3rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: left;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 300;
}

.feature-text {
    display: flex;
    flex-direction: column;
}

.feature-text strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.feature-text span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* CTA Buttons */
.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    position: relative;
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-primary:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}

.btn-badge {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255,255,255,0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.25rem;
}

.btn-icon {
    font-size: 1rem;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

/* Timeline */
.timeline {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 1.5rem 0;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    padding: 0 1.5rem;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 8px;
    width: calc(100% - 16px);
    height: 2px;
    background: var(--color-border);
    transform: translateX(50%);
}

.timeline-item.completed:not(:last-child)::after {
    background: var(--color-primary);
}

.timeline-marker {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.timeline-item.completed .timeline-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.timeline-item.active .timeline-marker {
    background: var(--color-bg);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.timeline-item span {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.timeline-item.completed span,
.timeline-item.active span {
    color: var(--color-text);
}

/* Footer */
.footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer .divider {
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 640px) {
    .nav {
        padding: 1rem 1.5rem;
    }
    
    .container {
        padding: 2rem 1.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .timeline-item:not(:last-child)::after {
        display: none;
    }
    
    .footer {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .cta-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}