/* -------------------------------------------------------------
 * DHRUVA DEFENCE - CORPORATE CSS SYSTEM
 * Premium Cyber-Military/Defence Theme & UI Layout
 * ------------------------------------------------------------- */

/* Custom CSS Variables & Tokens */
:root {
    --bg-primary: #060913;
    --bg-secondary: #0a0f1d;
    --bg-tertiary: #0f172a;
    
    /* Neon Accents */
    --blue-accent: #00e5ff;
    --orange-accent: #ff9100;
    --cyan-accent: #00ff88;
    --red-accent: #ff3b30;
    
    /* Text Palettes */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    
    /* Fonts */
    --font-headers: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* UI Sizing & Aesthetics */
    --border-radius: 6px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadow Glows */
    --glow-blue: 0 0 15px rgba(0, 229, 255, 0.3);
    --glow-orange: 0 0 15px rgba(255, 145, 0, 0.35);
    --glow-cyan: 0 0 15px rgba(0, 255, 136, 0.3);
    --glow-panel: 0 10px 30px rgba(0, 0, 0, 0.5);
    --panel-border: 1px solid rgba(148, 163, 184, 0.1);
    --panel-border-glow: 1px solid rgba(0, 229, 255, 0.3);
}

/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--blue-accent);
}

/* Tactical Grid Background Overlay */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    pointer-events: none;
    z-index: 1;
}

.ambient-glow {
    position: fixed;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, rgba(6, 9, 19, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

/* Typography Custom Rules */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headers);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Helper Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.glow-text {
    color: transparent;
    background: linear-gradient(135deg, var(--blue-accent), var(--cyan-accent));
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}

.cyan-text { color: var(--cyan-accent) !important; }
.green-text { color: var(--cyan-accent) !important; }
.orange-text { color: var(--orange-accent) !important; }

/* Status Dot Blips */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-muted);
}
.status-dot.green-glow {
    background-color: var(--cyan-accent);
    box-shadow: 0 0 8px var(--cyan-accent);
}

/* Global Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-headers);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-accent), #00b0ff);
    color: #000000;
    font-weight: 700;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-blue);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--blue-accent);
    transform: translateY(-2px);
}

.btn-glow:hover {
    animation: pulseGlow 1.5s infinite alternate;
}

.btn-block {
    width: 100%;
}

.btn-panel {
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    background-color: rgba(6, 9, 19, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: var(--panel-border);
}

.header-container {
    max-width: 1300px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.brand-name {
    font-family: var(--font-headers);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.15em;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-primary {
    color: var(--text-primary);
}

.brand-secondary {
    font-size: 0.75rem;
    color: var(--blue-accent);
    letter-spacing: 0.28em;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-headers);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--blue-accent);
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-headers);
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-left: 1px solid rgba(148, 163, 184, 0.2);
    padding-left: 16px;
}

/* Mobile Toggle Hamburger button */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: 140px;
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    overflow: hidden;
    z-index: 2;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 6px 12px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--blue-accent);
    box-shadow: 0 0 6px var(--blue-accent);
}

.badge-text {
    font-family: var(--font-headers);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--blue-accent);
    letter-spacing: 0.1em;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 700;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
}

/* Hero Metrics Dashboard */
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    border-top: var(--panel-border);
    padding-top: 40px;
}

.metric-card {
    background-color: rgba(10, 15, 29, 0.4);
    border: var(--panel-border);
    padding: 20px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(8px);
    transition: var(--transition-fast);
}

.metric-card:hover {
    border-color: rgba(0, 229, 255, 0.2);
    transform: translateY(-2px);
}

.metric-num {
    font-family: var(--font-headers);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Section Common Layouts */
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 56px auto;
}

.section-pre {
    font-family: var(--font-headers);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--blue-accent);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
}

/* LDS Simulator Section styling */
.lds-section {
    position: relative;
    padding: 100px 0;
    background-color: var(--bg-secondary);
    z-index: 2;
}

.simulator-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    margin-bottom: 64px;
}

/* General Panel setup */
.sim-panel {
    background-color: rgba(6, 9, 19, 0.85);
    border: var(--panel-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--glow-panel);
}

.panel-header {
    padding: 16px 24px;
    border-bottom: var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(10, 15, 29, 0.9);
}

.panel-title {
    font-family: var(--font-headers);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-status {
    font-family: var(--font-headers);
    font-size: 0.7rem;
    color: var(--blue-accent);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--blue-accent);
}

/* Radar Container Styling */
.radar-container {
    position: relative;
    aspect-ratio: 16 / 10;
    width: 100%;
    background-color: #03050c;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: var(--panel-border);
}

#radarCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Radar Overlay HUD/Crosshairs */
.radar-crosshair-v {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 229, 255, 0.15) 20%, rgba(0, 229, 255, 0.15) 80%, transparent);
    pointer-events: none;
}

.radar-crosshair-h {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0, 229, 255, 0.15) 20%, rgba(0, 229, 255, 0.15) 80%, transparent);
    pointer-events: none;
}

.radar-hud {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(6, 9, 19, 0.85);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 10px 16px;
    border-radius: var(--border-radius);
    pointer-events: none;
    font-family: var(--font-headers);
    min-width: 250px;
}

.radar-hud .hud-item.title {
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: 2px;
}

.radar-hud .hud-item.content {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--blue-accent);
}

.radar-hud.alert-active {
    border-color: var(--orange-accent);
    animation: alertBorderFlash 1s infinite alternate;
}

.radar-hud.alert-active .hud-item.content {
    color: var(--orange-accent);
}

/* Console Control Tray */
.console-controls {
    padding: 20px 24px;
    display: flex;
    gap: 16px;
    background-color: rgba(10, 15, 29, 0.6);
}

/* Telemetry Panel specific classes */
.terminal-body {
    flex-grow: 1;
    padding: 20px 24px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: #e2e8f0;
    overflow-y: auto;
    height: 350px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background-color: #030509;
}

.log-line {
    word-break: break-all;
    line-height: 1.4;
}

.log-line.system-msg {
    color: #475569;
}

.log-line.strike-msg {
    color: var(--blue-accent);
    font-weight: bold;
}

.log-line.alert-msg {
    color: var(--orange-accent);
    font-weight: bold;
}

/* Telemetry bottom metrics */
.telemetry-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: var(--panel-border);
    background-color: rgba(10, 15, 29, 0.9);
}

.stat-box {
    padding: 16px 20px;
    border-right: var(--panel-border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-box:last-child {
    border-right: none;
}

.stat-box .stat-title {
    font-family: var(--font-headers);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.stat-box .stat-value {
    font-family: var(--font-headers);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Mini specifications list below simulator */
.lds-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background-color: rgba(6, 9, 19, 0.5);
    border: var(--panel-border);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.feature-card:hover {
    border-color: rgba(0, 229, 255, 0.2);
    transform: translateY(-4px);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    background-color: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: var(--blue-accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Strategic Products section */
.products-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
    z-index: 2;
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-item {
    background-color: rgba(10, 15, 29, 0.5);
    border: var(--panel-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.product-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 229, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.product-visual {
    height: 180px;
    position: relative;
    background-color: #030509;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: var(--panel-border);
    overflow: hidden;
}

.design-grid-bg {
    background-image: 
        radial-gradient(rgba(148, 163, 184, 0.05) 15%, transparent 15%),
        radial-gradient(rgba(148, 163, 184, 0.05) 15%, transparent 15%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
}

.product-vector {
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.product-item:hover .product-vector {
    transform: scale(1.05);
}

/* Radar sweep rotation animation */
#radarSweeperLine {
    transform-origin: 50px 50px;
    animation: radarSweep 4s linear infinite;
}

.visual-radar-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transform: translate(-50%, -50%) scale(0.2);
    opacity: 0;
    pointer-events: none;
    animation: radarPulseDot 3s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-meta {
    font-family: var(--font-headers);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--blue-accent);
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.product-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-weight: 300;
    line-height: 1.5;
}

.product-bullets {
    list-style: none;
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.product-bullets li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 16px;
}

.product-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 1px;
    background-color: var(--blue-accent);
}

/* R&D and quality standards styles */
.capabilities-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    position: relative;
    z-index: 2;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.capabilities-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 40px;
}

.capability-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.cap-item {
    display: flex;
    gap: 20px;
}

.cap-number {
    font-family: var(--font-headers);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blue-accent);
    border: 1px solid rgba(0, 229, 255, 0.2);
    width: 44px;
    height: 44px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: rgba(0, 229, 255, 0.04);
}

.cap-text h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.cap-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* 3D Wireframe container display */
.capabilities-showcase {
    display: flex;
    justify-content: center;
}

.tech-card-3d {
    width: 100%;
    max-width: 380px;
    perspective: 1000px;
}

.card-inner {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.1;
    background-color: rgba(6, 9, 19, 0.8);
    border: var(--panel-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--glow-panel);
}

.card-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.card-content {
    padding: 24px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hud-top {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-headers);
    font-size: 0.65rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    padding-bottom: 12px;
}

.card-graphic {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.spin-slow {
    transform-origin: 0px 0px;
    animation: rotateCad 16s linear infinite;
}

.hud-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    padding-top: 12px;
}

.hud-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hud-stat .label {
    font-family: var(--font-headers);
    font-size: 0.6rem;
    color: var(--text-secondary);
}

.hud-stat .value {
    font-family: var(--font-headers);
    font-size: 0.75rem;
    font-weight: 700;
}

/* Contact form and routing section */
.contact-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
    position: relative;
    z-index: 2;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: flex-start;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 40px;
    font-weight: 300;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.detail-item {
    display: flex;
    gap: 20px;
}

.detail-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(148, 163, 184, 0.15);
    background-color: rgba(148, 163, 184, 0.03);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-text h5 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.detail-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Glassmorphic Cyber Form styling */
.cyber-form {
    background-color: rgba(10, 15, 29, 0.6);
    border: var(--panel-border);
    border-radius: var(--border-radius);
    padding: 32px;
    backdrop-filter: blur(12px);
    box-shadow: var(--glow-panel);
    position: relative;
}

.form-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-headers);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.encryption-tag {
    color: var(--orange-accent);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-headers);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    background-color: rgba(6, 9, 19, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--blue-accent);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.15);
}

.form-group select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Form success panel overlay */
.form-feedback {
    display: none;
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--border-radius);
    align-items: flex-start;
    gap: 16px;
}

.form-feedback.success {
    background-color: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.feedback-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--cyan-accent);
    width: 28px;
    height: 28px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feedback-text h5 {
    font-size: 0.85rem;
    color: var(--cyan-accent);
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.feedback-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Footer Styling */
.main-footer {
    background-color: #03050c;
    border-top: var(--panel-border);
    padding-top: 80px;
    z-index: 2;
    position: relative;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    height: 36px;
}

.footer-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 280px;
    line-height: 1.5;
}

.footer-links h4, 
.footer-technical h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--blue-accent);
    padding-left: 4px;
}

.footer-technical {
    display: flex;
    flex-direction: column;
}

.integrity-metric {
    font-family: var(--font-headers);
    font-size: 0.75rem;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(148, 163, 184, 0.05);
    padding-bottom: 6px;
    color: var(--text-secondary);
}

.integrity-metric span:last-child {
    font-weight: 700;
}

/* Bottom copyright bar */
.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.05);
    padding: 24px 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-meta-time {
    font-family: var(--font-headers);
}

/* -------------------------------------------------------------
 * UI KEYFRAMES & DYNAMIC ANIMATIONS
 * ------------------------------------------------------------- */
@keyframes radarSweep {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes radarPulseDot {
    0% {
        transform: translate(-50%, -50%) scale(0.2);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0;
    }
}

@keyframes pulseGlow {
    from {
        box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
    }
    to {
        box-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
    }
}

@keyframes rotateCad {
    from {
        transform: rotateY(0deg) rotateX(15deg);
    }
    to {
        transform: rotateY(360deg) rotateX(15deg);
    }
}

@keyframes alertBorderFlash {
    from {
        border-color: rgba(255, 145, 0, 0.2);
        box-shadow: 0 0 5px rgba(255, 145, 0, 0.1);
    }
    to {
        border-color: rgba(255, 145, 0, 0.7);
        box-shadow: 0 0 15px rgba(255, 145, 0, 0.3);
    }
}

@keyframes lightningHit {
    0% {
        background-color: #03050c;
    }
    5% {
        background-color: rgba(255, 255, 255, 0.25);
    }
    8% {
        background-color: #03050c;
    }
    12% {
        background-color: rgba(0, 229, 255, 0.15);
    }
    16% {
        background-color: #03050c;
    }
}

.radar-lightning-strike {
    animation: lightningHit 0.6s ease-out;
}

/* -------------------------------------------------------------
 * RESPONSIVE CSS MEDIA QUERIES
 * ------------------------------------------------------------- */

@media (max-width: 1024px) {
    .simulator-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .capabilities-showcase {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-primary);
        z-index: 99;
        display: none;
        padding: 40px 24px;
        border-top: var(--panel-border);
    }
    
    .nav-menu.open {
        display: block;
        animation: fadeIn 0.3s ease-out;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-link {
        font-size: 1.1rem;
        display: block;
    }
    
    .system-status {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .lds-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-metrics {
        grid-template-columns: 1fr;
    }
    
    .console-controls {
        flex-direction: column;
    }
    
    .telemetry-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-box {
        border-right: none;
        border-bottom: var(--panel-border);
    }
    
    .stat-box:last-child {
        border-bottom: none;
    }
}

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