@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Orbitron:wght@400;700;900&display=swap');

:root {
    --sky-blue: #87ceeb;
    --cloud-white: #f0f8ff;
    --deep-blue: #1e3a8a;
    --steel-gray: #64748b;
    --blueprint-blue: #0ea5e9;
    --accent-orange: #f97316;
    --success-green: #10b981;
    --warning-yellow: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #f8fafc;
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(180deg, #87ceeb 0%, #e0f2fe 50%, #f0f8ff 100%);
    color: var(--text-dark);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Sky Effects */
.sky-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.clouds-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 200px 100px at 20% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 50%),
        radial-gradient(ellipse 300px 150px at 80% 20%, rgba(255, 255, 255, 0.6) 0%, transparent 50%),
        radial-gradient(ellipse 250px 120px at 60% 70%, rgba(255, 255, 255, 0.7) 0%, transparent 50%),
        radial-gradient(ellipse 180px 90px at 30% 80%, rgba(255, 255, 255, 0.5) 0%, transparent 50%);
    animation: clouds-drift 60s linear infinite;
}

.birds-layer {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-debris {
    position: absolute;
    width: 100%;
    height: 100%;
}

@keyframes clouds-drift {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

/* Blueprint Navigation */
.blueprint-nav {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 320px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--blueprint-blue);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-header {
    background: var(--blueprint-blue);
    color: var(--text-light);
    padding: 12px 16px;
    border-radius: 6px 6px 0 0;
}

.blueprint-title {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 4px;
}

.nav-coordinates {
    font-size: 11px;
    opacity: 0.9;
    font-family: monospace;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 16px;
}

.nav-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border: 1px solid var(--steel-gray);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.5);
}

.nav-section:hover {
    background: var(--blueprint-blue);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.section-icon {
    font-size: 20px;
    margin-bottom: 6px;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

/* Altitude Meter */
.altitude-meter {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 120px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--accent-orange);
    border-radius: 8px;
    padding: 16px;
    backdrop-filter: blur(10px);
    z-index: 100;
    text-align: center;
}

.meter-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 12px;
}

.altitude-reading {
    font-family: 'Orbitron', monospace;
    font-size: 24px;
    font-weight: 900;
    color: var(--accent-orange);
}

.altitude-unit {
    font-size: 12px;
    font-weight: 600;
    color: var(--steel-gray);
    margin-left: 4px;
}

.meter-bar {
    height: 80px;
    width: 8px;
    background: rgba(100, 116, 139, 0.3);
    border-radius: 4px;
    margin: 0 auto 8px;
    position: relative;
    overflow: hidden;
}

.meter-fill {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 25%;
    background: linear-gradient(180deg, var(--accent-orange), var(--warning-yellow));
    border-radius: 4px;
    transition: height 0.5s ease;
}

.meter-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--steel-gray);
}

/* Main Content */
.content-area {
    margin: 120px 360px 40px 360px;
    min-height: calc(100vh - 160px);
}

.content-section {
    display: none;
    animation: float-in 0.8s ease;
}

.content-section.active {
    display: block;
}

@keyframes float-in {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.floating-home-demo {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-structure {
    position: relative;
    animation: gentle-float 6s ease-in-out infinite;
}

.home-body {
    width: 120px;
    height: 80px;
    background: linear-gradient(135deg, var(--cloud-white), #e2e8f0);
    border: 2px solid var(--steel-gray);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.home-windows {
    position: absolute;
    top: 15px;
    left: 10px;
    display: flex;
    gap: 8px;
}

.window {
    width: 20px;
    height: 25px;
    background: var(--sky-blue);
    border: 1px solid var(--steel-gray);
    border-radius: 2px;
    opacity: 0.8;
}

.home-door {
    position: absolute;
    bottom: 0;
    right: 15px;
    width: 16px;
    height: 35px;
    background: #8b5cf6;
    border: 1px solid var(--steel-gray);
    border-radius: 2px 2px 0 0;
}

.propulsion-system {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
}

.propeller {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--blueprint-blue);
    border-radius: 50%;
    animation: propeller-spin 0.1s linear infinite;
}

.prop-1 { top: -20px; left: -60px; }
.prop-2 { top: -20px; right: -60px; }
.prop-3 { bottom: -60px; left: -60px; }
.prop-4 { bottom: -60px; right: -60px; }

.tether-line {
    position: absolute;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100px;
    background: linear-gradient(180deg, var(--steel-gray), transparent);
    opacity: 0.6;
}

@keyframes gentle-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes propeller-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    padding-left: 20px;
}

.main-title {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--deep-blue);
    margin-bottom: 16px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.4rem;
    color: var(--blueprint-blue);
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 32px;
    max-width: 500px;
}

.stats-panel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--blueprint-blue);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-orange);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--steel-gray);
    font-weight: 600;
    margin-top: 4px;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--blueprint-blue);
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--deep-blue);
}

/* Blueprint Controls */
.blueprint-controls {
    display: flex;
    gap: 8px;
}

.blueprint-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--blueprint-blue);
    border-radius: 6px;
    color: var(--blueprint-blue);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.blueprint-btn.active,
.blueprint-btn:hover {
    background: var(--blueprint-blue);
    color: var(--text-light);
}

/* Designs Showcase */
.designs-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.design-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--blueprint-blue);
    border-radius: 12px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.design-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.2);
}

.design-preview {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, #f0f8ff, #e0f2fe);
    border: 1px solid var(--steel-gray);
    border-radius: 8px;
    overflow: hidden;
}

.design-3d,
.design-blueprint,
.design-specs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.design-3d.active,
.design-blueprint.active,
.design-specs.active {
    display: flex;
}

.floating-model {
    position: relative;
    animation: model-float 4s ease-in-out infinite;
}

.model-home {
    position: relative;
}

.nimbus-home .home-shell {
    width: 80px;
    height: 50px;
    background: linear-gradient(135deg, var(--cloud-white), #e2e8f0);
    border: 2px solid var(--steel-gray);
    border-radius: 6px;
}

.stratos-home .home-shell {
    width: 100px;
    height: 65px;
    background: linear-gradient(135deg, var(--cloud-white), #e2e8f0);
    border: 2px solid var(--steel-gray);
    border-radius: 8px;
}

.aurora-home .home-shell {
    width: 120px;
    height: 80px;
    background: linear-gradient(135deg, var(--cloud-white), #e2e8f0);
    border: 2px solid var(--steel-gray);
    border-radius: 10px;
}

.model-props {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.prop {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--blueprint-blue);
    border-radius: 50%;
    animation: prop-spin 0.1s linear infinite;
}

@keyframes model-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes prop-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.blueprint-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--blueprint-blue) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-blue) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
}

.blueprint-drawing {
    position: relative;
    z-index: 2;
}

.bp-outline {
    width: 120px;
    height: 80px;
    border: 2px solid var(--blueprint-blue);
    border-radius: 8px;
    background: rgba(14, 165, 233, 0.1);
}

.bp-dimensions {
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    color: var(--blueprint-blue);
    font-family: monospace;
    font-size: 12px;
    font-weight: bold;
}

.spec-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--steel-gray);
}

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
}

.spec-value {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    color: var(--blueprint-blue);
}

.design-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.design-name {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 8px;
}

.design-tagline {
    font-size: 1.1rem;
    color: var(--blueprint-blue);
    font-weight: 500;
    margin-bottom: 16px;
}

.design-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.design-price {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-orange);
}

/* Technology Section */
.tech-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--success-green);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--success-green);
    animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.tech-module {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--blueprint-blue);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.tech-module:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.2);
}

.module-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.module-icon {
    font-size: 24px;
}

.module-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--deep-blue);
}

.tech-visual {
    height: 120px;
    background: linear-gradient(135deg, #f0f8ff, #e0f2fe);
    border: 1px solid var(--steel-gray);
    border-radius: 8px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.propulsion-core {
    width: 40px;
    height: 40px;
    background: var(--accent-orange);
    border-radius: 50%;
    animation: core-pulse 2s infinite;
}

.energy-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    border: 2px solid var(--blueprint-blue);
    border-radius: 50%;
    animation: ring-expand 3s infinite;
}

.ring-1 { width: 60px; height: 60px; animation-delay: 0s; }
.ring-2 { width: 80px; height: 80px; animation-delay: 1s; }
.ring-3 { width: 100px; height: 100px; animation-delay: 2s; }

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

@keyframes ring-expand {
    0% { transform: translate(-50%, -50%) scale(0.5); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

.gyro-system {
    position: relative;
    width: 80px;
    height: 80px;
}

.gyro-ring {
    position: absolute;
    border: 2px solid var(--blueprint-blue);
    border-radius: 50%;
    animation: gyro-rotate 4s linear infinite;
}

.outer-ring { width: 80px; height: 80px; animation-duration: 4s; }
.middle-ring { width: 60px; height: 60px; top: 10px; left: 10px; animation-duration: 3s; animation-direction: reverse; }
.inner-ring { width: 40px; height: 40px; top: 20px; left: 20px; animation-duration: 2s; }

.gyro-core {
    position: absolute;
    top: 30px;
    left: 30px;
    width: 20px;
    height: 20px;
    background: var(--accent-orange);
    border-radius: 50%;
}

@keyframes gyro-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tech-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.tech-specs {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spec {
    font-size: 0.9rem;
    color: var(--steel-gray);
    font-family: monospace;
}

/* Gallery Section */
.gallery-controls {
    display: flex;
    gap: 8px;
}

.gallery-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--blueprint-blue);
    border-radius: 6px;
    color: var(--blueprint-blue);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-btn.active,
.gallery-btn:hover {
    background: var(--blueprint-blue);
    color: var(--text-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.gallery-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.nimbus-1 { background: linear-gradient(135deg, #ff7e5f, #feb47b); }
.nimbus-2 { background: linear-gradient(135deg, #a8edea, #fed6e3); }
.stratos-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.stratos-2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.aurora-1 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.aurora-2 { background: linear-gradient(135deg, #43e97b, #38f9d7); }

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--text-light);
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .image-overlay {
    transform: translateY(0);
}

.image-info h4 {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    margin-bottom: 4px;
}

.image-info p {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.image-info span {
    font-size: 0.8rem;
    color: var(--warning-yellow);
    font-family: monospace;
}

/* Contact Section */
.contact-status {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--success-green);
}

.signal-strength {
    display: flex;
    gap: 2px;
    align-items: end;
}

.signal-bar {
    width: 4px;
    background: var(--success-green);
    border-radius: 2px;
    animation: signal-pulse 1.5s infinite;
}

.signal-bar:nth-child(1) { height: 8px; animation-delay: 0s; }
.signal-bar:nth-child(2) { height: 12px; animation-delay: 0.2s; }
.signal-bar:nth-child(3) { height: 16px; animation-delay: 0.4s; }
.signal-bar:nth-child(4) { height: 20px; animation-delay: 0.6s; }
.signal-bar:nth-child(5) { height: 24px; animation-delay: 0.8s; }

@keyframes signal-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.contact-interface {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    color: var(--deep-blue);
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    padding: 12px 16px;
    border: 2px solid var(--steel-gray);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blueprint-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-textarea {
    height: 100px;
    resize: vertical;
}

.altitude-slider {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--steel-gray);
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--blueprint-blue);
    cursor: pointer;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--steel-gray);
}

.submit-btn {
    padding: 16px 32px;
    background: var(--accent-orange);
    color: var(--text-light);
    border: none;
    border-radius: 8px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.submit-btn:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249, 115, 22, 0.3);
}

.contact-display {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--blueprint-blue);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(10px);
}

.display-screen {
    background: var(--text-dark);
    border-radius: 8px;
    overflow: hidden;
}

.screen-header {
    background: var(--blueprint-blue);
    color: var(--text-light);
    padding: 12px 16px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    text-align: center;
}

.screen-content {
    padding: 20px;
    color: var(--success-green);
    font-family: monospace;
}

.radar-display {
    position: relative;
    width: 150px;
    height: 150px;
    border: 2px solid var(--success-green);
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
}

.radar-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background:
        linear-gradient(var(--success-green) 1px, transparent 1px) 0 0 / 30px 30px,
        linear-gradient(90deg, var(--success-green) 1px, transparent 1px) 0 0 / 30px 30px;
    opacity: 0.3;
}

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 75px;
    background: linear-gradient(180deg, var(--success-green), transparent);
    transform-origin: bottom center;
    animation: radar-sweep 3s linear infinite;
}

@keyframes radar-sweep {
    0% { transform: translate(-50%, -100%) rotate(0deg); }
    100% { transform: translate(-50%, -100%) rotate(360deg); }
}

.radar-blips {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.blip {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--warning-yellow);
    border-radius: 50%;
    animation: blip-pulse 2s infinite;
}

.blip-1 { top: 30%; left: 40%; animation-delay: 0s; }
.blip-2 { top: 60%; left: 70%; animation-delay: 0.7s; }
.blip-3 { top: 80%; left: 30%; animation-delay: 1.4s; }

@keyframes blip-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(1.5); }
}

.flight-data {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.data-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.data-label {
    color: var(--steel-gray);
}

.data-value {
    color: var(--success-green);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .content-area {
        margin: 120px 40px 40px 40px;
    }

    .blueprint-nav {
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        margin-bottom: 20px;
    }

    .altitude-meter {
        position: relative;
        top: 0;
        right: 0;
        width: 100%;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .design-card {
        grid-template-columns: 1fr;
    }

    .contact-interface {
        grid-template-columns: 1fr;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .stats-panel {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}