/* Open Rockets Foundation - Professional Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Professional/Foundation */
    --primary-black: #111111;
    --dark-gray: #333333;
    --medium-gray: #555555;
    --light-gray: #F4F6F8;
    --border-gray: #E0E0E0;
    --white: #FFFFFF;

    --primary-blue: #0056B3; /* Trustworthy Blue */
    --secondary-blue: #004494;
    --accent-color: #0056B3;

    --success-green: #28A745;

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* UI Elements */
    --radius: 4px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-black);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none !important;
}

.nav-brand img {
    height: 40px;
    width: auto;
}

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

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

.nav-link {
    color: var(--medium-gray);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-blue);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: var(--white);
    text-align: center;
    border-bottom: 1px solid var(--border-gray);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none !important;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    border: 1px solid var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--dark-gray);
    border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
    border-color: var(--dark-gray);
    background-color: var(--light-gray);
    color: var(--primary-black);
}

/* Sections */
section {
    padding: var(--space-xl) 0;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
}

/* Impact Report / Generic Content Block */
.impact-report {
    background: var(--white);
}

.report-header {
    text-align: center;
    margin-bottom: 3rem;
}

.report-meta {
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--medium-gray);
    font-weight: 600;
}

.report-content {
    background: var(--white);
    max-width: 1000px;
    margin: 0 auto;
}

.report-intro p {
    font-size: 1.25rem;
    color: var(--dark-gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.milestones-section h3 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.milestones-list {
    display: grid;
    gap: 1.5rem;
}

.milestones-list li {
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--radius);
    border: 1px solid var(--border-gray);
}

.milestones-list li strong {
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.report-cta {
    margin-top: 3rem;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Stats */
.stats {
    background: var(--primary-black);
    color: var(--white);
    padding: 4rem 0;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

/* Features / Projects Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-card-image {
    height: 200px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.feature-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card-content {
    padding: 1.5rem;
}

.feature-meta {
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 600;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.feature-link {
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.view-all-link {
    display: none; /* Simplify interface */
}

/* News Section */
.news-section {
    background: var(--light-gray);
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.news-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.twitter-timeline-container, .quick-links {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-gray);
}

.timeline-title, .quick-links-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-gray);
    padding-bottom: 1rem;
}

.update-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-gray);
}

.update-item:last-child {
    border-bottom: none;
}

.update-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.update-content p {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}

.update-link {
    font-size: 0.85rem;
    font-weight: 600;
}

/* CTA */
.cta {
    background: var(--primary-blue);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.cta-title {
    color: var(--white);
    font-size: 2.5rem;
}

.cta-description {
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.125rem;
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.cta .btn-primary:hover {
    background: var(--light-gray);
    color: var(--secondary-blue);
}

.cta .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h5 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a, .footer-section span {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: var(--white);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    text-align: center;
}

/* Utilities */
.text-gradient {
    /* No gradient for professional look, just color */
    color: var(--primary-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Add JS toggle support if needed, or keeping simple */
    }
    .nav-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    .news-content {
        grid-template-columns: 1fr;
    }
}