:root {
    /* Color Variables */
    --primary: #2962DE;
    --bg-dark: #000;
    --bg-darker: #000;
    --surface: #13191f;
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --accent: #38BDF8;
    --success: #10B981;

    /* Spacing */
    --section-padding: 6rem 2rem;
    --card-padding: 2rem;
    --border-radius: 8px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-dark);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(41, 98, 222, 0.1);
    transition: var(--transition-medium);
}

header.scrolled {
    padding: 0.8rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: white;
}

.logo-text {
    font-weight: 700;
    font-size: 1rem;
    background: linear-gradient(to right, var(--primary), var(--accent));
    background: #fff;
    line-height: 18px;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-medium);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 10rem 2rem 6rem;
    background: linear-gradient(to bottom, var(--bg-dark), var(--bg-darker));
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #6d90db, #fff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.mission-statement {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 3rem;
    color: var(--text-primary);
    padding-left: 1.5rem;
    border-left: 3px solid var(--primary);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.blur {
    width: 200px;
    height: 200px;
    background: #050D1C;
    border-radius: 50%;
    filter: blur(50px);
    position: absolute;
    left: 20%;
}

.blur2 {
    width: 300px;
    height: 300px;
    background: #4271d623;
    border-radius: 50%;
    filter: blur(50px);
    position: absolute;
    left: -60px;
    top: 0;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-medium);
    text-decoration: none;
    display: inline-block;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(41, 98, 222, 0.3);
}

.btn-primary:hover {
    background-color: #1E4FD8;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(41, 98, 222, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(41, 98, 222, 0.1);
    transform: translateY(-3px);
}

/* Background Visuals */
.rocket-exhaust {
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 600px;
    height: 600px;
    opacity: 0.15;
    z-index: 1;
}

.pressure-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(41, 98, 222, 0.05) 0%, transparent 50%);
    z-index: 0;
}

/* Section Common Styles */
section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
}

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

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.problem-list {
    list-style-type: none;
    margin: 2rem 0;
}

.problem-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.problem-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    top: 0;
}

.solution-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.highlight-card {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
    transition: var(--transition-medium);
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.highlight-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.highlight-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* How It Works Section */
.how-it-works {
    background-color: var(--bg-darker);
}

.technical-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.technical-card {
    background-color: var(--surface);
    padding: var(--card-padding);
    border-radius: var(--border-radius);
    transition: var(--transition-medium);
    height: 100%;
}

.technical-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--primary);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.technical-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.technical-card p {
    color: var(--text-secondary);
}

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

.prototype-diagram {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.diagram-placeholder {
    height: 300px;
    background: linear-gradient(135deg, #1F2933, #2D3748);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.diagram-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

.diagram-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.specs-list {
    list-style-type: none;
    margin-top: 2rem;
}

.specs-list li {
    margin-bottom: 1rem;
    padding-left: 1.8rem;
    position: relative;
}

.specs-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Team Section */
.team-section {
    background-color: var(--bg-darker);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-medium);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.team-img {
    height: 220px;
    /* background-color: #2D3748; */
    padding-top: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-secondary);
    padding: 0;
}

.team-img img {
    height: 180px;
    border-radius: 50%;
    margin-top: 20px;
    border: 3px solid var(--accent);
}

.team-info {
    padding: 1.5rem;
}

.team-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.team-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Future Work Section */
.roadmap {
    margin-top: 3rem;
}

.roadmap-item {
    display: flex;
    margin-bottom: 2.5rem;
    position: relative;
    padding-left: 2.5rem;
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 16px;
    height: 16px;
    background-color: var(--primary);
    border-radius: 50%;
}

.roadmap-item::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 21px;
    width: 2px;
    height: calc(100% + 10px);
    background-color: var(--surface);
}

.roadmap-item:last-child::after {
    display: none;
}

.roadmap-content {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    width: 100%;
}

.roadmap-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-darker);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background-color: var(--surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.9rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(41, 98, 222, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-medium);
}

.form-submit-btn:hover {
    background-color: #1E4FD8;
}

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

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.confirmation-message {
    background-color: var(--success);
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    display: none;
    text-align: center;
}

/* Footer */
footer {
    background-color: #0A0F1C;
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .about-content,
    .prototype-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .solution-highlights {
        grid-template-columns: 1fr;
    }

    .prototype-diagram {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    section {
        padding: 4rem 1.5rem;
    }

    .technical-sections {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .prototype-details {
        width: 100%;
    }

    #prototype {
        width: 100%;
        padding: 0;
    }

    #prototype .container {
        padding: 0;
    }

    .prototype-diagram {
        width: 100% !important;
        padding: 0;
        background: none;
        border: none;
    }

    .diagram-placeholder p {
        display: none;
        border: none;
    }

    .diagram-placeholder {
        border: none;
        background: none;
    }

    .prototype-diagram img {
        width: 100% !important;
    }

    .diagram-placeholder::before {
        display: none;
    }

    .diagram-label {
        margin-top: -20px;
    }

    #prototype .forty {
        padding: 60px;
    }

    .diagram-placeholder {
        margin-top: -80px;
    }

    .diagram-label {
        margin-bottom: -60px;
        font-weight: 600;
    }
}


@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .mission-statement {
        font-size: 1rem;
    }

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

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