/* ==========================================================================
   MSEndpoint Signature Design System — Autopilot Diagnostics Engine
   ========================================================================== */

:root {
    --bg-base: #020617;
    --bg-surface: #0f172a;
    --bg-elevated: #1e293b;
    --bg-card: rgba(15, 23, 42, 0.7);
    --bg-input: rgba(15, 23, 42, 0.85);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --accent-cyan: #22d3ee;
    --accent-blue: #3b82f6;
    --accent-green: #34d399;
    --accent-amber: #fbbf24;
    --accent-red: #f87171;
    --accent-purple: #a78bfa;
    
    --border: rgba(148, 163, 184, 0.12);
    --border-accent: rgba(34, 211, 238, 0.35);
    --border-hover: rgba(34, 211, 238, 0.6);
    --glow-cyan: rgba(34, 211, 238, 0.2);
    
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Atmosphere Glow */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(167, 139, 250, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   HEADER & NAVBAR (MSEndpoint Signature)
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    height: 70px;
    display: flex;
    align-items: center;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 1rem;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-logo-text {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.brand-ms {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    background: rgba(34, 211, 238, 0.1);
    color: var(--accent-cyan);
    border: 1px solid var(--border-accent);
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.user-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid var(--border-accent);
    color: var(--accent-cyan);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.btn-nav-pro {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #020617 !important;
    font-weight: 700;
    font-size: 0.8rem;
    padding: 0.45rem 0.95rem;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.btn-nav-pro:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.4);
}

.btn-nav-auth {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.42rem 0.85rem;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-nav-auth:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan) !important;
    background: rgba(34, 211, 238, 0.08);
}

.link-logout {
    color: var(--accent-red) !important;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.link-logout:hover {
    background: rgba(248, 113, 113, 0.1);
}

/* ==========================================================================
   TYPOGRAPHY & HERO
   ========================================================================== */

.hero-section {
    padding-top: 100px;
    padding-bottom: 2.5rem;
    text-align: center;
}

.pill-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    padding: 0.4rem 1.1rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 1.25rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.gradient-title {
    background: linear-gradient(135deg, #22d3ee 0%, #38bdf8 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.08rem;
    color: var(--text-secondary);
    max-width: 760px;
    margin: 0 auto 2rem;
    line-height: 1.65;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #020617;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.75rem 1.6rem;
    border-radius: 12px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 6px 20px -5px rgba(34, 211, 238, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(34, 211, 238, 0.6);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.72rem 1.4rem;
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.06);
    transform: translateY(-2px);
}

.btn-outline.active {
    background: rgba(34, 211, 238, 0.12);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    font-weight: 700;
}

/* ==========================================================================
   TECHNICAL CONTROL CENTER & MATRIX CARDS (REAL DATA)
   ========================================================================== */

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.matrix-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 1.4rem 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.matrix-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px -10px var(--glow-cyan);
}

.matrix-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.matrix-card-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.matrix-card-icon {
    font-size: 1.25rem;
}

.matrix-card-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 0.35rem;
}

.matrix-card-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-online { background-color: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.status-ready  { background-color: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }
.status-local  { background-color: var(--accent-purple); }

/* ==========================================================================
   GLASS CARDS & CONTENT BLOCKS
   ========================================================================== */

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2.5rem;
    transition: border-color 0.3s;
}

.glass-card:hover {
    border-color: var(--border-accent);
}

.section-heading {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.35rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
}

.code-block {
    background: #020617;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    color: #38bdf8;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    overflow-x: auto;
    line-height: 1.55;
}

.badge {
    font-size: 0.72rem;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background: rgba(52, 211, 153, 0.12); color: var(--accent-green); border: 1px solid rgba(52, 211, 153, 0.3); }
.badge-warning { background: rgba(251, 191, 36, 0.12); color: var(--accent-amber); border: 1px solid rgba(251, 191, 36, 0.3); }
.badge-danger  { background: rgba(248, 113, 113, 0.12); color: var(--accent-red); border: 1px solid rgba(248, 113, 113, 0.3); }
.badge-cyan    { background: rgba(34, 211, 238, 0.12); color: var(--accent-cyan); border: 1px solid rgba(34, 211, 238, 0.3); }

/* Responsive adjustments */
@media (max-width: 992px) {
    .nav-menu { display: none; }
    .hero-title { font-size: 2.2rem; }
}