/* ==========================================================================
   INOCUA SPACE SYSTEMS - CORE DESIGN SYSTEM STYLESHEET
   Style: Aerospace / Deep Space Tech / Precision Cleanroom HUD
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark: #07090E;
    --bg-surface: #0C1019;
    --bg-surface-elevated: #131926;
    --bg-surface-hover: #192233;
    --bg-glass: rgba(12, 16, 25, 0.75);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 210, 255, 0.35);
    --border-active: #00D2FF;

    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-accent: #00D2FF;

    --color-cyan: #00D2FF;
    --color-blue: #3B82F6;
    --color-emerald: #10B981;
    --color-amber: #F59E0B;
    --color-rose: #F43F5E;

    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Exo', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Roboto Mono', 'SF Mono', Consolas, monospace;

    /* Shadows & Glows */
    --glow-cyan: 0 0 25px rgba(0, 210, 255, 0.2);
    --glow-emerald: 0 0 25px rgba(16, 185, 129, 0.2);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);

    /* Layout */
    --container-width: 1240px;
    --header-height: 72px;
    --telemetry-bar-height: 36px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: dark;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.05) 0%, transparent 50%),
        radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 32px 32px;
}

/* Utility Containers */
.container-custom {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
    letter-spacing: -0.015em;
    font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.font-mono {
    font-family: var(--font-mono);
}

.text-accent { color: var(--color-cyan); }
.text-emerald { color: var(--color-emerald); }
.text-amber { color: var(--color-amber); }
.text-slate-400 { color: #94A3B8; }

/* Top Telemetry Ticker */
.top-telemetry-bar {
    background-color: #040609;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    height: var(--telemetry-bar-height);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 50;
}

.telemetry-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.telemetry-bar-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    overflow: hidden;
    white-space: nowrap;
}

.status-pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-emerald);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--color-emerald);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.telemetry-label {
    color: var(--color-cyan);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.telemetry-item {
    color: #CBD5E1;
}

.telemetry-divider {
    color: #475569;
}

.telemetry-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.time-utc {
    color: #94A3B8;
}

.telemetry-link {
    color: var(--color-cyan);
    font-weight: 500;
}
.telemetry-link:hover {
    text-decoration: underline;
}

/* Main Site Header */
.main-header {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 40;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    display: block;
    height: 38px;
    width: auto;
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
}

@media (min-width: 960px) {
    .desktop-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: var(--color-cyan);
    background-color: rgba(0, 210, 255, 0.08);
    font-weight: 600;
}

.nav-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-emerald);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 999px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
    text-align: center;
    user-select: none;
}

.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #00D2FF 0%, #0088FF 100%);
    color: #07090E;
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 4px 14px rgba(0, 210, 255, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #22DCFF 0%, #1A94FF 100%);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.45);
    transform: translateY(-1px);
    color: #000;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #FFF;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-cyan);
    border-color: rgba(0, 210, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(0, 210, 255, 0.1);
    border-color: var(--color-cyan);
}

/* Mobile Menu Hamburger */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 7px;
}

@media (min-width: 960px) {
    .mobile-toggle {
        display: none;
    }
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
    opacity: 0;
}
.mobile-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-menu {
    display: none;
    background-color: #0A0E17;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.mobile-menu.open {
    display: block;
    animation: slideDown 0.25s ease-out forwards;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--color-cyan);
    background-color: rgba(0, 210, 255, 0.05);
    border-left-color: var(--color-cyan);
}

.mobile-menu-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Section Common Styling */
.section-py {
    padding-top: 5rem;
    padding-bottom: 5rem;
    position: relative;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-cyan);
    background: rgba(0, 210, 255, 0.08);
    border: 1px solid rgba(0, 210, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.15rem;
    max-width: 680px;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
}

/* Cards & Grid Containers */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .cards-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.glass-card:hover {
    border-color: rgba(0, 210, 255, 0.3);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 210, 255, 0.08);
    transform: translateY(-2px);
}

.card-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 210, 255, 0.08);
    border: 1px solid rgba(0, 210, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card-text {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

/* Hero Section */
.hero-section {
    padding-top: 4.5rem;
    padding-bottom: 5.5rem;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
    }
}

.hero-heading {
    margin-bottom: 1.25rem;
    font-weight: 800;
}

.hero-heading .gradient-text {
    background: linear-gradient(135deg, #FFFFFF 20%, #00D2FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: #CBD5E1;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* Hero HUD Interactive Visual Widget */
.hud-widget {
    background: #090D15;
    border: 1px solid rgba(0, 210, 255, 0.25);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(0, 210, 255, 0.03);
    position: relative;
}

.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
}

.hud-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hud-badge-online {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--color-emerald);
    background: rgba(16, 185, 129, 0.12);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.hud-grid-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.hud-metric-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.hud-metric-label {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-transform: uppercase;
}

.hud-metric-val {
    font-size: 1.25rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-cyan);
    margin: 0.25rem 0;
}

.hud-metric-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.hud-radar-box {
    background: rgba(0, 210, 255, 0.02);
    border: 1px dashed rgba(0, 210, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    position: relative;
}

.radar-graphic {
    width: 100%;
    max-height: 140px;
}

/* Planetary Protection Calculator Component */
.calc-container {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-top: 2rem;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 960px) {
    .calc-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.form-select, .form-input, .form-textarea {
    width: 100%;
    background: #080C14;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: #FFF;
    font-family: var(--font-sans);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
}

.calc-output-card {
    background: #080C14;
    border: 1px solid rgba(0, 210, 255, 0.25);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-output-score {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-emerald);
    margin: 0.5rem 0;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-weight: 600;
}

.badge-pill-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pill-cyan {
    background: rgba(0, 210, 255, 0.15);
    color: var(--color-cyan);
    border: 1px solid rgba(0, 210, 255, 0.3);
}

/* Site Footer */
.site-footer {
    background-color: #04060A;
    position: relative;
    padding-top: 4rem;
    padding-bottom: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    }
}

.footer-brand {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.compliance-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.compliance-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: #CBD5E1;
}

.footer-heading {
    font-size: 0.85rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--color-cyan);
    padding-left: 3px;
}

.facility-item {
    margin-bottom: 1.25rem;
}

.facility-city {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-cyan);
    margin-bottom: 0.2rem;
}

.facility-address {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.facility-phone {
    font-size: 0.75rem;
    color: #CBD5E1;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-legal-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.dot-separator {
    color: #334155;
}

.status-indicator-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--color-emerald);
}

.status-dot-mini {
    width: 6px;
    height: 6px;
    background-color: var(--color-emerald);
    border-radius: 50%;
    display: inline-block;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: #0E1522;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-cyan);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Accessibility: Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}