/* Prometheus Fuels - Main Styles */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #E74833;
    --color-background: #161616;
    --color-surface: #1F1F1F;
    --color-border: #FDF0E1;
    --color-text-primary: #FDF0E1;
    --color-text-secondary: #B8B8B8;
    --color-text-muted: #808080;
    --color-accent: #FF6B47;
    
    /* Typography */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --border-width: 10px;
    --container-padding: 2rem;
    --section-padding: 5rem 0;
    
    /* Breakpoints */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
    --breakpoint-desktop: 1440px;
    
    /* Z-index */
    --z-loader: 9999;
    --z-navigation: 1000;
    --z-menu-overlay: 999;
    --z-borders: 100;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    --transition-bounce: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    touch-action: manipulation;
    min-height: 44px; /* Minimum touch target for links */
    display: inline-flex;
    align-items: center;
}

img {
    max-width: 100%;
    height: auto;
    loading: lazy; /* Enable native lazy loading */
    contain: layout style; /* Performance optimization */
}

/* Prevent layout shifts with aspect ratio */
.tech-icon img,
.hero-visual img {
    aspect-ratio: 1 / 1;
    object-fit: contain;
}

/* Performance optimizations */
.tech-card,
.news-card,
.impact-stats {
    contain: layout style; /* Improve rendering performance */
}

/* Skeleton loading states */
.skeleton-loading {
    background: linear-gradient(90deg, 
        rgba(253, 240, 225, 0.1) 25%, 
        rgba(253, 240, 225, 0.3) 50%, 
        rgba(253, 240, 225, 0.1) 75%);
    background-size: 200% 100%;
    animation: skeleton 2s infinite;
    color: transparent;
}

.skeleton-loading * {
    color: transparent;
    background-color: rgba(253, 240, 225, 0.1);
    border-radius: 4px;
}

/* Borders */
.border {
    position: fixed;
    background-color: var(--color-border);
    z-index: var(--z-borders);
}

.border-top {
    top: 0;
    left: 0;
    width: 100%;
    height: var(--border-width);
}

.border-bottom {
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--border-width);
}

.border-left {
    top: 0;
    left: 0;
    width: var(--border-width);
    height: 100%;
}

.border-right {
    top: 0;
    right: 0;
    width: var(--border-width);
    height: 100%;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-loader);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 1s ease, visibility 1s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-background);
}

.loader-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #FDF0E1, transparent),
        radial-gradient(2px 2px at 40px 70px, #FDF0E1, transparent),
        radial-gradient(1px 1px at 90px 40px, #FDF0E1, transparent),
        radial-gradient(1px 1px at 130px 80px, #FDF0E1, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    opacity: 0.3;
    animation: starsMove 20s linear infinite;
}

.loader-content {
    position: relative;
    text-align: center;
}

/* Progressive loading styles */
.loading-progress {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: rgba(253, 240, 225, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.loading-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-secondary);
    text-align: center;
    opacity: 0.8;
}

.loader-logo {
    margin-bottom: 2rem;
}

.loader-logo svg {
    animation: logoFloat 3s ease-in-out infinite;
}

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

.ring {
    position: absolute;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    border-top: 2px solid transparent;
    animation: ringRotate 2s linear infinite;
}

.ring-1 {
    width: 120px;
    height: 120px;
    margin: -60px 0 0 -60px;
}

.ring-2 {
    width: 160px;
    height: 160px;
    margin: -80px 0 0 -80px;
    animation-delay: -1s;
    animation-direction: reverse;
}

/* Navigation */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-navigation);
    padding: var(--border-width);
    background-color: transparent;
    transition: background-color var(--transition-medium);
}

.navigation.scrolled {
    background-color: rgba(22, 22, 22, 0.95);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo-container {
    position: relative;
}

.logo-link {
    display: flex;
    align-items: center;
}

.wordmark {
    height: 60px;
    transition: var(--transition-medium);
}

.logo-icon {
    display: none;
    color: var(--color-text-primary);
    transition: var(--transition-medium);
}

.navigation.compact .wordmark {
    display: none;
}

.navigation.compact .logo-icon {
    display: block;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px; /* Ensures 44px minimum touch target */
    min-width: 44px;
    min-height: 44px;
    transition: var(--transition-medium);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0); /* Remove tap highlight */
}

.menu-line {
    width: 56px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-medium);
    transform-origin: center;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(22, 22, 22, 0.98);
    backdrop-filter: blur(20px);
    z-index: var(--z-menu-overlay);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.menu-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 2rem;
}

.menu-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.menu-link {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
    opacity: 0;
    transform: translateY(20px);
}

.menu-overlay.active .menu-link {
    animation: menuLinkAppear 0.6s ease forwards;
}

.menu-link:nth-child(1) { animation-delay: 0.1s; }
.menu-link:nth-child(2) { animation-delay: 0.2s; }
.menu-link:nth-child(3) { animation-delay: 0.3s; }
.menu-link:nth-child(4) { animation-delay: 0.4s; }
.menu-link:nth-child(5) { animation-delay: 0.5s; }
.menu-link:nth-child(6) { animation-delay: 0.6s; }

.menu-link:hover {
    color: var(--color-primary);
    transform: translateY(-5px);
}

.menu-social {
    display: flex;
    gap: 2rem;
    opacity: 0;
    transform: translateY(20px);
}

.menu-overlay.active .menu-social {
    animation: menuLinkAppear 0.6s ease 0.7s forwards;
}

.menu-social a {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.menu-social a:hover {
    color: var(--color-primary);
}

/* Main Content */
.main-content {
    margin: var(--border-width);
    position: relative;
}

/* Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-link {
    color: var(--color-primary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.section-link:hover {
    color: var(--color-accent);
}

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

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

.stars-field {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #FDF0E1, transparent),
        radial-gradient(2px 2px at 40px 70px, #FDF0E1, transparent),
        radial-gradient(1px 1px at 90px 40px, #FDF0E1, transparent),
        radial-gradient(1px 1px at 130px 80px, #FDF0E1, transparent),
        radial-gradient(2px 2px at 160px 30px, #FDF0E1, transparent);
    background-repeat: repeat;
    background-size: 300px 200px;
    opacity: 0.2;
    animation: starsMove 30s linear infinite;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(22, 22, 22, 0.3) 70%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    padding: 0 var(--container-padding);
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.5s forwards;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.8s forwards;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    opacity: 0;
    transform: scale(0.8);
    animation: fadeInScale 1s ease 1.2s forwards;
}

/* Fuel Molecule Visualization */
.fuel-molecule {
    position: relative;
    width: 300px;
    height: 300px;
}

.atom {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    animation: atomFloat 4s ease-in-out infinite;
}

.carbon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.hydrogen {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-text-primary), #ccc);
    color: var(--color-background);
}

.h1 {
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -1s;
}

.h2 {
    top: 50%;
    left: 80%;
    transform: translate(-50%, -50%);
    animation-delay: -2s;
}

.h3 {
    top: 80%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -3s;
}

.h4 {
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    animation-delay: -0.5s;
}

.bond {
    position: absolute;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-text-primary), transparent);
    transform-origin: bottom center;
    z-index: 1;
}

.bond-1 {
    height: 80px;
    top: 25%;
    left: 50%;
    transform: translate(-50%, 0) rotate(0deg);
}

.bond-2 {
    height: 80px;
    top: 50%;
    left: 65%;
    transform: translate(-50%, 0) rotate(90deg);
}

.bond-3 {
    height: 80px;
    top: 65%;
    left: 50%;
    transform: translate(-50%, 0) rotate(180deg);
}

.bond-4 {
    height: 80px;
    top: 50%;
    left: 35%;
    transform: translate(-50%, 0) rotate(270deg);
}

/* Technology Section */
.technology-section {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.tech-card {
    background: rgba(253, 240, 225, 0.05);
    border: 1px solid rgba(253, 240, 225, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(253, 240, 225, 0.1), transparent);
    transition: var(--transition-slow);
}

.tech-card:hover::before {
    left: 100%;
}

.tech-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(231, 72, 51, 0.2);
}

.tech-icon {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.tech-title {
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.tech-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Impact Section */
.impact-section {
    background: var(--color-background);
}

.impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.impact-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.earth {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #4a90e2, #1e3a8a);
    position: relative;
    animation: earthRotate 20s linear infinite;
    box-shadow: 
        inset -30px -30px 60px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(74, 144, 226, 0.3);
}

.earth::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 30%;
    height: 20%;
    background: #2d5a27;
    border-radius: 50% 30% 60% 40%;
    opacity: 0.8;
}

.earth::after {
    content: '';
    position: absolute;
    top: 60%;
    left: 40%;
    width: 25%;
    height: 30%;
    background: #2d5a27;
    border-radius: 40% 60% 30% 50%;
    opacity: 0.8;
}

.atmosphere {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, transparent 70%, rgba(135, 206, 235, 0.3) 100%);
    animation: atmosphereShimmer 3s ease-in-out infinite;
}

.impact-stats {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(253, 240, 225, 0.1);
}

.stat:last-child {
    border-bottom: none;
}

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

.stat-label {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.impact-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* News Section */
.news-section {
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
}

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

.news-card {
    background: rgba(253, 240, 225, 0.05);
    border: 1px solid rgba(253, 240, 225, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-medium);
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 30px rgba(231, 72, 51, 0.1);
}

/* .news-card.featured {
    grid-row: span 2;
} */

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: 2rem;
}

.news-title {
    color: var(--color-text-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.news-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.news-date {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-text-primary);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
    color: white;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    min-height: 44px; /* Minimum touch target */
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-medium);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1.1rem;
    min-width: 160px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0); /* Remove tap highlight */
    touch-action: manipulation; /* Improve touch performance */
}

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

.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus {
    background: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    outline: none;
}

/* Touch-specific active state */
.btn-primary:active {
    transform: translateY(0px) scale(0.98);
    transition: transform 0.1s ease;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover,
.btn-secondary:active,
.btn-secondary:focus {
    background: white;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    outline: none;
}

/* Touch-specific active state */
.btn-secondary:active {
    transform: translateY(0px) scale(0.98);
    transition: transform 0.1s ease;
}

/* Touch-friendly card interactions */
.tech-card,
.news-card {
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-card:active,
.news-card:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(231, 72, 51, 0.1);
}

/* Menu link touch improvements */
.menu-link {
    min-height: 48px; /* Larger touch target for menu */
    display: flex;
    align-items: center;
    padding: 12px 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.menu-link:active {
    transform: scale(0.98);
    opacity: 0.8;
}

/* Mobile-first responsive improvements */
/* Prevent horizontal scroll */
html, body {
    overflow-x: hidden;
    position: relative;
}

/* Fix layout shifts by reserving space */
.hero-visual {
    min-height: 300px; /* Prevent layout shift */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    /* Optimize border widths for mobile */
    .border {
        --border-width: 6px;
    }
    
    /* Reduce container padding on smaller screens */
    .section-content {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-padding: 3rem 0;
        --border-width: 6px; /* Smaller borders on mobile */
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    /* Additional mobile optimizations */
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem); /* Better mobile scaling */
        line-height: 1.1;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    /* Optimize grid layouts for mobile */
    .technology-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Better mobile button sizing */
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 1.25rem 2rem;
    }
    
    /* Improve mobile navigation */
    .navigation {
        padding: 0 1rem;
    }
    
    .menu-toggle {
        position: relative;
        z-index: 1001;
    }
    
    .wordmark {
        height: 40px;
    }
    
    .technology-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tech-card {
        padding: 2rem;
    }
    
    .fuel-molecule {
        width: 250px;
        height: 250px;
    }
    
    .earth-container {
        width: 250px;
        height: 250px;
    }
    
    .menu-link {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .border {
        display: none;
    }
    
    .main-content {
        margin: 0;
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

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

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes menuLinkAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes starsMove {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}

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

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

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

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

@keyframes atmosphereShimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    margin-top: 100px; /* Account for fixed navigation */
}

.breadcrumb-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--color-text-secondary);
}

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

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-text-primary);
    font-weight: 500;
}

.breadcrumb-item:not(:last-child)::after {
    content: "→";
    margin: 0 0.5rem;
    color: var(--color-text-muted);
}

/* Contact Page Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-details h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

.contact-item {
    margin-bottom: 3rem;
}

.contact-item p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.map-container {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.map-container iframe {
    filter: grayscale(20%) contrast(1.1);
}

/* Contact Form */
.contact-form-section {
    background: var(--color-surface);
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 2rem;
}

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

.form-group label {
    color: var(--color-text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--color-background);
    border: 2px solid rgba(253, 240, 225, 0.1);
    border-radius: 8px;
    padding: 1rem;
    color: var(--color-text-primary);
    font-family: var(--font-secondary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(231, 72, 51, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Responsive Contact Page */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        margin-top: 80px;
    }
    
    .breadcrumb-container {
        padding: 0 1rem;
    }
    
    .breadcrumb-list {
        font-size: 0.8rem;
    }
    
    .contact-details {
        order: 2;
    }
    
    .map-container {
        order: 1;
        margin-bottom: 2rem;
    }
}