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

:root {
    --primary-bg: #000000;
    --primary-text: #ffffff;
    --accent-silver: #c0c0c0;
    --accent-blue: #4a9eff;
    --accent-deep-blue: #0050b3;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-silver);
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.5);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.nav-menu a:hover {
    color: var(--accent-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section with 3D Canvas */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
    max-width: 1000px;
    padding: 0 2rem;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-blue), #6bb6ff);
    color: var(--primary-text);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(74, 158, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-text);
    border: 2px solid var(--accent-silver);
}

.btn-secondary:hover {
    background: var(--accent-silver);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.7;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--primary-text);
    border-bottom: 2px solid var(--primary-text);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

/* Sections */
.section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2rem, 4vw, 3.5rem);
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-silver);
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.star-field {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 40px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 50px 160px, #ddd, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 40px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 130px 80px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 160px 120px, #ddd, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 200px 200px;
    opacity: 0.3;
    animation: twinkle 4s infinite;
}

/* Mission Section with 3D Earth */
.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text {
    position: relative;
}

.mission-statement {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    position: relative;
    padding-left: 2rem;
}

.mission-statement::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-blue), transparent);
    border-radius: 2px;
}

.mission-visual {
    position: relative;
    height: 400px;
    width: 100%;
    overflow: visible;
    border-radius: 8px;
    background: rgba(0, 20, 40, 0.2);
}

.earth-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.9;
    transition: opacity 0.5s ease;
}

.earth-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

/* R&D Section */
.rd-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.rd-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.rd-visuals {
    position: relative;
    height: 400px;
}

.rd-canvas {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(135deg, #001030, #000510);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* Old blueprint styles preserved for reference but not used */
.blueprint-container {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1000px;
}

.blueprint {
    position: absolute;
    width: 300px;
    height: 200px;
    background: rgba(10, 30, 80, 0.1);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(74, 158, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    backdrop-filter: blur(5px);
}

.blueprint::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(74, 158, 255, 0.1) 50%, transparent 51%) 0 0 / 20px 20px,
        linear-gradient(0deg, transparent 49%, rgba(74, 158, 255, 0.1) 50%, transparent 51%) 0 0 / 20px 20px;
    opacity: 0.7;
    z-index: -1;
}

.blueprint-1 {
    top: 50px;
    left: 50px;
    transform: rotateY(-5deg) rotateX(5deg);
    z-index: 2;
}

.blueprint-2 {
    bottom: 50px;
    right: 50px;
    transform: rotateY(5deg) rotateX(-5deg);
    z-index: 1;
}

.blueprint:hover {
    transform: scale(1.05) translateZ(20px);
    box-shadow: 0 0 40px rgba(74, 158, 255, 0.2);
    z-index: 3;
}

.heatmap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, 
        rgba(255, 69, 0, 0.2) 0%, 
        rgba(255, 140, 0, 0.15) 40%, 
        rgba(255, 215, 0, 0.1) 70%, 
        transparent 100%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    filter: blur(10px);
}

/* Kronos Engine Section with 3D Model */
.kronos-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.kronos-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.specs, .features {
    margin-top: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.specs h3, .features h3 {
    font-family: 'Orbitron', monospace;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.3rem;
}

.dev-tag {
    background: rgba(74, 158, 255, 0.1);
    color: var(--accent-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(74, 158, 255, 0.2);
}

.specs ul, .features ul {
    list-style: none;
}

.specs li, .features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.specs li:last-child, .features li:last-child {
    border-bottom: none;
}

.kronos-visual {
    position: relative;
    height: 500px;
}

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

.engine-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.engine-data {
    position: absolute;
    background: rgba(10, 25, 50, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.engine-data-1 {
    top: 30%;
    left: 20px;
}

.engine-data-2 {
    bottom: 30%;
    right: 20px;
}

.data-label {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 0.3rem;
}

.data-value {
    color: var(--accent-blue);
    font-weight: 700;
}

/* Nebula 1 Section with 3D Rocket */
.nebula-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.nebula-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.nebula-visual {
    position: relative;
    height: 600px;
}

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

.rocket-stages-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.stage-indicator {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
}

.stage-indicator-1 {
    top: 70%;
    left: 20px;
}

.stage-indicator-2 {
    top: 40%;
    right: 20px;
}

.stage-indicator-3 {
    top: 15%;
    left: 20px;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(74, 158, 255, 0.7);
    animation: pulseDot 2s infinite;
}

.indicator-label {
    background: rgba(10, 25, 50, 0.7);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(74, 158, 255, 0.3);
}

/* Hypercluster Section with 3D Satellite Network */
.hypercluster-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hypercluster-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hypercluster-visual {
    position: relative;
    height: 500px;
}

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

.satellite-data-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.data-link {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    animation: dataFlow 3s ease-in-out infinite;
    opacity: 0.7;
}

.data-link-1 {
    top: 40%;
    left: 20%;
    width: 40%;
    transform: rotate(30deg);
    animation-delay: 0s;
}

.data-link-2 {
    top: 50%;
    right: 25%;
    width: 35%;
    transform: rotate(-45deg);
    animation-delay: 1s;
}

.data-link-3 {
    bottom: 35%;
    left: 30%;
    width: 50%;
    transform: rotate(15deg);
    animation-delay: 2s;
}

.data-point {
    position: absolute;
    background: rgba(10, 25, 50, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.data-point-1 {
    top: 20%;
    left: 10%;
}

.data-point-2 {
    bottom: 25%;
    right: 10%;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--primary-text);
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--primary-text);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--accent-blue);
}

.copyright {
    opacity: 0.5;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes pulseDot {
    0%, 100% {
        opacity: 0.7;
        box-shadow: 0 0 10px rgba(74, 158, 255, 0.7);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 20px rgba(74, 158, 255, 1);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes dataFlow {
    0% {
        opacity: 0;
        background-position: 0% 0%;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        background-position: 100% 0%;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section {
        padding: 6rem 0;
    }
    
    .mission-content,
    .rd-content,
    .kronos-content,
    .nebula-content,
    .hypercluster-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .mission-visual,
    .kronos-visual,
    .nebula-visual,
    .hypercluster-visual {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        z-index: 1000;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .container {
        padding: 0 1.5rem;
    }

    .mission-visual,
    .kronos-visual,
    .nebula-visual,
    .hypercluster-visual {
        height: 350px;
    }
    
    .contact-form {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .specs li, .features li {
        font-size: 0.9rem;
    }

    .mission-visual,
    .kronos-visual,
    .nebula-visual,
    .hypercluster-visual {
        height: 300px;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-silver);
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.5);
    letter-spacing: 3px;
    position: relative;
}

.nav-logo .logo-text::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-silver), transparent);
    transform-origin: center;
    animation: pulseWidth 3s ease-in-out infinite;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 1px;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: var(--accent-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

@keyframes pulseWidth {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    perspective: 1000px;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.rocket-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1614642264762-d0a3b8bf3700?ixlib=rb-1.2.1&auto=format&fit=crop&q=80') center/cover no-repeat;
    transform: scale(1.1);
    opacity: 0.7;
    animation: subtleZoom 30s infinite alternate, floatBackground 20s ease-in-out infinite;
}

.space-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5)),
                radial-gradient(circle at center, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.9));
    z-index: 1;
}

.stars-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.stars-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 25% 15%, white, transparent),
        radial-gradient(1px 1px at 50% 40%, white, transparent),
        radial-gradient(2px 2px at 15% 55%, white, transparent),
        radial-gradient(1px 1px at 60% 80%, white, transparent),
        radial-gradient(1.5px 1.5px at 10% 10%, white, transparent),
        radial-gradient(1.5px 1.5px at 30% 70%, white, transparent),
        radial-gradient(1px 1px at 70% 25%, white, transparent),
        radial-gradient(2px 2px at 90% 95%, white, transparent);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    animation: starsShimmer 7s ease infinite alternate;
}

.orbital-ring {
    position: absolute;
    width: 80vw;
    height: 80vw;
    max-width: 1200px;
    max-height: 1200px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    animation: ringRotate 60s linear infinite;
    z-index: -1;
}

.orbital-ring::after {
    content: '';
    position: absolute;
    width: 90%;
    height: 90%;
    border: 2px solid rgba(74, 158, 255, 0.1);
    border-radius: 50%;
    top: 5%;
    left: 5%;
    animation: pulseRing 10s ease-in-out infinite;
}

.orbital-ring::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: 50%;
    top: -10%;
    left: -10%;
    animation: counterRotate 40s linear infinite;
}

.space-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    letter-spacing: 3px;
    position: relative;
    animation: textGlow 3s ease-in-out infinite alternate;
}

.hero-title::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 1px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1.1rem 2.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    font-family: 'Orbitron', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #0057b7, #4a9eff);
    color: var(--primary-text);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
    border: 1px solid rgba(74, 158, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(74, 158, 255, 0.5);
    background: linear-gradient(45deg, #4a9eff, #0057b7);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-text);
    border: 1px solid var(--accent-silver);
    position: relative;
    z-index: 1;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--accent-silver);
    transition: 0.5s;
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.btn-secondary:hover::after {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.7;
    animation: fadeInUp 1.5s ease 1s both;
}

.scroll-arrow {
    width: 25px;
    height: 25px;
    border-right: 2px solid var(--primary-text);
    border-bottom: 2px solid var(--primary-text);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-silver);
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
}

/* Mission Section */
.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.earth-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.earth {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at 30% 30%, #4a9eff, #1e3a8a, #0f172a);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 20s linear infinite;
    box-shadow: 0 0 50px rgba(74, 158, 255, 0.3);
}

.orbital-trails {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.trail {
    position: absolute;
    border: 1px solid rgba(192, 192, 192, 0.3);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 10s linear infinite;
}

.trail-1 {
    width: 250px;
    height: 250px;
    animation-duration: 15s;
}

.trail-2 {
    width: 280px;
    height: 280px;
    animation-duration: 25s;
    animation-direction: reverse;
}

.trail-3 {
    width: 310px;
    height: 310px;
    animation-duration: 35s;
}

/* R&D Section */
.rd-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.rd-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.blueprint-container {
    position: relative;
    width: 100%;
    height: 300px;
}

.blueprint {
    position: absolute;
    width: 200px;
    height: 150px;
    background: linear-gradient(45deg, transparent 40%, rgba(74, 158, 255, 0.1) 50%, transparent 60%);
    border: 1px solid rgba(74, 158, 255, 0.3);
    border-radius: 10px;
    animation: float 6s ease-in-out infinite;
}

.blueprint-1 {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.blueprint-2 {
    bottom: 20px;
    right: 20px;
    animation-delay: 2s;
}

.heatmap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 69, 0, 0.3), rgba(255, 140, 0, 0.2), transparent);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

/* Kronos Section */
.kronos-content,
.nebula-content,
.hypercluster-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.specs, .features {
    margin-top: 2rem;
}

.specs h3, .features h3 {
    font-family: 'Orbitron', monospace;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dev-tag {
    background: rgba(74, 158, 255, 0.2);
    color: var(--accent-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(74, 158, 255, 0.3);
}

.specs ul, .features ul {
    list-style: none;
}

.specs li, .features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.specs li:last-child, .features li:last-child {
    border-bottom: none;
}

/* Engine Cross Section */
.engine-cross-section {
    position: relative;
    width: 300px;
    height: 400px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.heat-zones {
    position: relative;
    width: 100%;
    height: 100%;
}

.zone {
    position: absolute;
    border-radius: 10px;
    animation: heatPulse 4s ease-in-out infinite;
}

.zone-1 {
    top: 10%;
    left: 20%;
    width: 60%;
    height: 20%;
    background: rgba(255, 69, 0, 0.3);
    animation-delay: 0s;
}

.zone-2 {
    top: 30%;
    left: 15%;
    width: 70%;
    height: 25%;
    background: rgba(255, 140, 0, 0.4);
    animation-delay: 1s;
}

.zone-3 {
    top: 55%;
    left: 10%;
    width: 80%;
    height: 20%;
    background: rgba(255, 215, 0, 0.3);
    animation-delay: 2s;
}

.zone-4 {
    bottom: 10%;
    left: 25%;
    width: 50%;
    height: 15%;
    background: rgba(74, 158, 255, 0.3);
    animation-delay: 3s;
}

/* Rocket Stages */
.rocket-stages {
    position: relative;
    width: 100px;
    height: 400px;
    margin: 0 auto;
}

.stage {
    position: absolute;
    left: 0;
    background: linear-gradient(180deg, rgba(192, 192, 192, 0.3), rgba(192, 192, 192, 0.1));
    border: 1px solid rgba(192, 192, 192, 0.3);
    border-radius: 5px;
}

.stage-1 {
    bottom: 0;
    width: 100%;
    height: 200px;
    border-radius: 5px 5px 20px 20px;
}

.stage-2 {
    bottom: 190px;
    width: 80%;
    left: 10%;
    height: 120px;
}

.stage-3 {
    bottom: 300px;
    width: 60%;
    left: 20%;
    height: 80px;
    border-radius: 20px 20px 5px 5px;
}

.engines-grid {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    border-radius: 10px;
}

.engine-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    animation: engineFire 2s ease-in-out infinite;
}

.engine-dot:nth-child(odd) {
    animation-delay: 0.5s;
}

/* Satellite Mesh */
.satellite-mesh {
    position: relative;
    width: 400px;
    height: 300px;
    margin: 0 auto;
}

.mesh-grid {
    position: relative;
    width: 100%;
    height: 100%;
}

.satellite-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
    animation: satellitePulse 3s ease-in-out infinite;
}

.satellite-node:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.satellite-node:nth-child(2) { top: 20%; right: 20%; animation-delay: 0.5s; }
.satellite-node:nth-child(3) { top: 50%; left: 50%; animation-delay: 1s; }
.satellite-node:nth-child(4) { bottom: 20%; left: 20%; animation-delay: 1.5s; }
.satellite-node:nth-child(5) { bottom: 20%; right: 20%; animation-delay: 2s; }
.satellite-node:nth-child(6) { top: 35%; left: 70%; animation-delay: 2.5s; }

.connection-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    animation: dataFlow 4s ease-in-out infinite;
}

.connection-line:nth-child(7) {
    top: 25%;
    left: 25%;
    width: 50%;
    transform: rotate(15deg);
}

.connection-line:nth-child(8) {
    top: 55%;
    left: 20%;
    width: 60%;
    transform: rotate(-30deg);
}

.connection-line:nth-child(9) {
    bottom: 25%;
    left: 25%;
    width: 50%;
    transform: rotate(45deg);
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--primary-text);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--primary-text);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--accent-blue);
}

.copyright {
    opacity: 0.5;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-15px) rotate(45deg);
    }
    60% {
        transform: translateY(-8px) rotate(45deg);
    }
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes ringRotate {
    from {
        transform: translate(-50%, -50%) rotateX(75deg) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotateX(75deg) rotate(360deg);
    }
}

@keyframes counterRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(-360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-25px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

@keyframes pulseRing {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes heatPulse {
    0%, 100% {
        opacity: 0.3;
        box-shadow: 0 0 15px rgba(255, 140, 0, 0.2);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 30px rgba(255, 140, 0, 0.5);
    }
}

@keyframes engineFire {
    0%, 100% {
        box-shadow: 0 0 15px var(--accent-blue);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 40px var(--accent-blue), 0 0 60px rgba(74, 158, 255, 0.5);
        transform: scale(1.3);
    }
}

@keyframes satellitePulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
        box-shadow: 0 0 20px rgba(74, 158, 255, 0.5);
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
        box-shadow: 0 0 40px rgba(74, 158, 255, 0.8);
    }
}

@keyframes dataFlow {
    0% {
        opacity: 0;
        background-position: 0% 50%;
    }
    50% {
        opacity: 1;
        background-position: 100% 50%;
    }
    100% {
        opacity: 0;
        background-position: 200% 50%;
    }
}

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

@keyframes floatBackground {
    0%, 100% {
        transform: scale(1.1) translateY(0);
    }
    50% {
        transform: scale(1.1) translateY(-15px);
    }
}

@keyframes subtleZoom {
    from {
        transform: scale(1.1);
    }
    to {
        transform: scale(1.2);
    }
}

@keyframes starsShimmer {
    0% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0.3;
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    }
    50% {
        text-shadow: 0 0 40px rgba(255, 255, 255, 0.4), 0 0 60px rgba(74, 158, 255, 0.3);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .mission-content,
    .rd-content,
    .kronos-content,
    .nebula-content,
    .hypercluster-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .earth-container,
    .satellite-mesh {
        width: 250px;
        height: 250px;
    }

    .engine-cross-section {
        width: 250px;
        height: 350px;
    }

    .rocket-stages {
        width: 80px;
        height: 350px;
    }

    .footer-nav {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .specs li, .features li {
        font-size: 0.9rem;
    }

    .earth-container,
    .satellite-mesh {
        width: 200px;
        height: 200px;
    }

    .engine-cross-section {
        width: 200px;
        height: 300px;
    }
}