/* Aviation Instrument Control Style - Cockpit Dashboard Layout */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;600;700&family=Share+Tech+Mono&display=swap');

:root {
    --cockpit-bg: #111316;
    --panel-bg: #1c2128;
    --panel-border: #30363d;
    --panel-shadow: inset 0 0 20px rgba(0,0,0,0.8);
    --gauge-bg: #0d1117;
    --text-main: #c9d1d9;
    --text-bright: #ffffff;
    --color-amber: #ffb000;
    --color-green: #2ea043;
    --color-cyan: #58a6ff;
    --color-red: #f85149;
    --font-digital: 'Share Tech Mono', monospace;
    --font-ui: 'Chakra Petch', sans-serif;
}

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

body {
    background-color: var(--cockpit-bg);
    color: var(--text-main);
    font-family: var(--font-ui);
    line-height: 1.5;
    padding: 20px;
    background-image: radial-gradient(circle at center, #1a1e24 0%, #0d1014 100%);
    background-attachment: fixed;
}

h1, h2, h3, h4 { font-weight: 700; color: var(--text-bright); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
a { text-decoration: none; color: inherit; transition: 0.2s; }
img { max-width: 100%; height: auto; display: block; filter: contrast(1.2) saturate(0.8); border-radius: 4px; }

/* Dashboard Grid Layout */
.cockpit-dashboard {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 15px;
    max-width: 1600px;
    margin: 0 auto;
}

/* Instrument Panel Base */
.instrument-panel {
    background: var(--panel-bg);
    border: 2px solid var(--panel-border);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--panel-shadow), 0 5px 15px rgba(0,0,0,0.5);
    position: relative;
    display: flex;
    flex-direction: column;
}
/* Panel Screws */
.instrument-panel::before, .instrument-panel::after {
    content: ''; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #444; box-shadow: inset 1px 1px 2px #111, inset -1px -1px 2px #888;
}
.instrument-panel::before { top: 8px; left: 8px; }
.instrument-panel::after { top: 8px; right: 8px; }

.panel-title {
    font-family: var(--font-digital);
    font-size: 0.85rem;
    color: var(--color-cyan);
    text-align: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 5px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Switches & Buttons */
.toggle-switch {
    display: inline-block;
    padding: 8px 15px;
    background: linear-gradient(to bottom, #333, #111);
    border: 2px solid #000;
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-digital);
    font-size: 0.9rem;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 4px 0 #000, inset 0 1px 1px rgba(255,255,255,0.2);
    transition: 0.1s;
    text-align: center;
}
.toggle-switch:active, .toggle-switch.active {
    transform: translateY(4px);
    box-shadow: 0 0 0 #000, inset 0 2px 5px rgba(0,0,0,0.8);
    color: var(--color-green);
    text-shadow: 0 0 5px var(--color-green);
}
.toggle-switch.alert { color: var(--color-amber); }
.toggle-switch.alert:active, .toggle-switch.alert.active { color: var(--color-amber); text-shadow: 0 0 5px var(--color-amber); }

/* --- Specific Panels --- */

/* 1. Overhead Panel (Nav) */
.overhead-panel {
    grid-column: span 12;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
}
.brand-display { font-size: 1.8rem; color: var(--color-amber); font-weight: 700; display: flex; align-items: center; gap: 15px; }
.brand-display span { font-family: var(--font-digital); font-size: 0.8rem; background: var(--color-amber); color: #000; padding: 2px 6px; border-radius: 3px; }
.nav-switches { display: flex; gap: 15px; }

/* 2. Primary Flight Display (Hero) */
.pfd-panel {
    grid-column: span 8;
    grid-row: span 4;
    background: var(--gauge-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
    position: relative;
    overflow: hidden;
}
/* Artificial Horizon Background */
.pfd-panel::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(88, 166, 255, 0.1) 50%, rgba(139, 69, 19, 0.1) 50%);
    z-index: 0; pointer-events: none;
}
.pfd-content { position: relative; z-index: 1; }
.pfd-panel h1 { font-size: 4.5rem; color: var(--color-cyan); margin-bottom: 20px; text-shadow: 0 0 10px rgba(88, 166, 255, 0.5); }
.pfd-panel p { font-size: 1.2rem; max-width: 600px; margin: 0 auto 30px; }
.pfd-actions { display: flex; gap: 20px; justify-content: center; margin-bottom: 30px; }
.trust-indicators { display: flex; gap: 20px; justify-content: center; font-family: var(--font-digital); font-size: 0.85rem; color: var(--color-green); }
.trust-indicators span { display: flex; align-items: center; gap: 5px; }
.trust-indicators span::before { content: ''; width: 10px; height: 10px; background: var(--color-green); border-radius: 50%; box-shadow: 0 0 8px var(--color-green); }

/* 3. Engine Instruments (Data Metrics) */
.eicas-panel {
    grid-column: span 4;
    grid-row: span 4;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
}
.gauge {
    background: var(--gauge-bg);
    border: 1px solid var(--panel-border);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    aspect-ratio: 1 / 1;
    position: relative;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.8);
}
/* Circular Progress */
.gauge::before {
    content: ''; position: absolute; top: 5px; left: 5px; right: 5px; bottom: 5px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--color-green);
    border-right-color: var(--color-green);
    transform: rotate(-45deg);
}
.gauge.amber::before { border-top-color: var(--color-amber); border-right-color: var(--color-amber); }
.gauge.cyan::before { border-top-color: var(--color-cyan); border-right-color: var(--color-cyan); }
.gauge-val { font-family: var(--font-digital); font-size: 2rem; color: var(--text-bright); line-height: 1; }
.gauge-lbl { font-size: 0.75rem; color: var(--text-main); text-transform: uppercase; margin-top: 5px; }

/* 4. Multi-Function Display (Features) */
.mfd-panel {
    grid-column: span 12;
    grid-row: span 3;
}
.mfd-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    height: 100%;
}
.mfd-module {
    background: var(--gauge-bg);
    border: 1px solid var(--panel-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
}
.mfd-module img { height: 120px; width: 100%; object-fit: cover; margin-bottom: 15px; border: 1px solid var(--panel-border); }
.mfd-module h3 { color: var(--color-cyan); font-size: 1.3rem; }
.mfd-module p { font-size: 0.95rem; }

/* 5. Navigation Display (Nodes) */
.nd-panel {
    grid-column: span 6;
    grid-row: span 3;
}
.nd-map {
    background: var(--gauge-bg);
    border: 1px solid var(--panel-border);
    height: calc(100% - 40px);
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    overflow-y: auto;
}
.nd-map::-webkit-scrollbar { width: 5px; }
.nd-map::-webkit-scrollbar-thumb { background: var(--panel-border); }
.waypoint {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border: 1px solid var(--panel-border);
    font-family: var(--font-digital);
    font-size: 0.9rem;
    background: rgba(255,255,255,0.02);
}
.waypoint .wp-id { color: var(--color-cyan); }
.waypoint .wp-ping { color: var(--color-green); }

/* 6. Comms Panel (Reviews) */
.comms-panel {
    grid-column: span 6;
    grid-row: span 3;
}
.comms-log {
    background: var(--gauge-bg);
    border: 1px solid var(--panel-border);
    height: calc(100% - 40px);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}
.msg-block { border-left: 3px solid var(--color-amber); padding-left: 15px; }
.msg-meta { font-family: var(--font-digital); font-size: 0.8rem; color: var(--color-amber); margin-bottom: 5px; }
.msg-text { font-size: 0.95rem; font-style: italic; }

/* 7. Flight Management Computer (Pricing) */
.fmc-panel {
    grid-column: span 12;
}
.fmc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.fmc-tier {
    background: var(--gauge-bg);
    border: 1px solid var(--panel-border);
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
}
.fmc-tier.active { border-color: var(--color-green); box-shadow: 0 0 15px rgba(46, 160, 67, 0.2); }
.fmc-tier.active .tier-name { color: var(--color-green); }
.tier-name { font-family: var(--font-digital); font-size: 1.2rem; margin-bottom: 15px; color: var(--text-main); }
.tier-price { font-size: 2.5rem; font-weight: 700; color: var(--text-bright); margin-bottom: 20px; }
.tier-price span { font-size: 1rem; color: var(--text-main); }
.tier-specs { list-style: none; text-align: left; margin-bottom: 30px; flex: 1; }
.tier-specs li { padding: 8px 0; border-bottom: 1px solid var(--panel-border); font-size: 0.9rem; }
.tier-specs li::before { content: '■ '; color: var(--color-cyan); font-size: 0.6rem; vertical-align: middle; }

/* 8. Quick Reference Handbook (FAQ & Footer) */
.qrh-panel {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.faq-sec h3, .footer-sec h3 { font-family: var(--font-digital); color: var(--color-cyan); margin-bottom: 20px; }
.faq-item { margin-bottom: 20px; }
.faq-q { font-weight: 700; margin-bottom: 5px; color: var(--text-bright); }
.faq-a { font-size: 0.95rem; color: var(--text-main); }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-family: var(--font-digital); }
.footer-links a:hover { color: var(--color-amber); }
.copyright { margin-top: 30px; font-size: 0.8rem; color: #666; }

/* Subpages */
.sub-hero { grid-column: span 12; text-align: center; padding: 60px 20px; background: var(--gauge-bg); border-radius: 8px; border: 1px solid var(--panel-border); }
.sub-hero h1 { font-size: 3rem; color: var(--color-cyan); }
.dl-grid { grid-column: span 12; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dl-card { background: var(--gauge-bg); border: 1px solid var(--panel-border); padding: 30px; text-align: center; }
.dl-icon { font-size: 3rem; margin-bottom: 20px; }
.help-grid { grid-column: span 12; display: grid; grid-template-columns: 250px 1fr; gap: 20px; }
.help-nav { display: flex; flex-direction: column; gap: 10px; }
.help-content { background: var(--gauge-bg); border: 1px solid var(--panel-border); padding: 40px; }
.help-section { margin-bottom: 40px; }
.help-section h3 { color: var(--color-amber); border-bottom: 1px solid var(--panel-border); padding-bottom: 10px; margin-bottom: 20px; }
.help-section h4 { margin-top: 20px; margin-bottom: 10px; }
.help-section ul { padding-left: 20px; margin-bottom: 15px; }

/* Responsive */
@media (max-width: 1200px) {
    .pfd-panel { grid-column: span 12; grid-row: auto; }
    .eicas-panel { grid-column: span 12; grid-row: auto; display: flex; justify-content: space-around; flex-wrap: wrap; }
    .gauge { width: 150px; height: 150px; }
    .nd-panel, .comms-panel { grid-column: span 12; }
    .mfd-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
}
@media (max-width: 992px) {
    .fmc-grid { grid-template-columns: 1fr; }
    .qrh-panel { grid-template-columns: 1fr; }
    .dl-grid { grid-template-columns: repeat(2, 1fr); }
    .help-grid { grid-template-columns: 1fr; }
    .help-nav { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 768px) {
    .overhead-panel { flex-direction: column; gap: 20px; }
    .nav-switches { flex-wrap: wrap; justify-content: center; }
    .pfd-panel h1 { font-size: 2.5rem; }
    .trust-indicators { flex-direction: column; align-items: center; }
    .dl-grid { grid-template-columns: 1fr; }
    .nd-map { grid-template-columns: 1fr; }
}