:root {
    /* Color Palette - Premium "Deep Tech" */
    --color-primary: hsl(155, 45%, 25%); /* Darker, more organic logo green */
    --color-primary-glow: hsla(155, 45%, 25%, 0.3);
    --color-secondary: hsl(190, 70%, 40%); /* Adjusted secondary */
    --color-background: hsl(0, 0%, 100%);
    --color-surface: hsl(220, 30%, 98%);
    --color-surface-hover: hsl(220, 30%, 95%);
    --color-text: hsl(220, 40%, 10%);
    --color-text-dim: hsl(220, 20%, 35%);
    --color-border: hsla(0, 0%, 0%, 0.08);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Effects */
    --glass: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.08);
    --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px var(--color-primary-glow);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Typography Utilities */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-dim { color: var(--color-text-dim); }

.text-center { text-align: center; }

.neon-text {
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary-glow);
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-xl) 0;
}

/* Global Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    background: hsla(0, 0%, 100%, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-links a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

/* Common Components */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 1.75rem;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px var(--color-primary-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: var(--glass);
    transform: translateY(-2px);
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--space-md);
    transition: var(--transition);
}

.glass-card:hover {
    background: hsla(0, 0%, 100%, 0.4);
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
}

/* Sections */

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 80% 20%, hsla(145, 100%, 50%, 0.1), transparent 40%),
        radial-gradient(circle at 20% 80%, hsla(200, 100%, 50%, 0.1), transparent 40%);
}

.hero-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 50%, black, transparent 80%);
    opacity: 0.3;
}

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

.badge {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.05;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-dim);
    margin-bottom: 3rem;
    max-width: 650px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
}

/* Platform Section */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

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

.feature-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.feature-icon {
    width: 32px;
    height: 32px;
    background: hsla(145, 100%, 50%, 0.1);
    border: 1px solid hsla(145, 100%, 50%, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 1rem;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--color-text-dim);
}

/* Hardware-Software Loop Graphic */
.loop-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: var(--space-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.loop-container {
    height: 450px;
    width: 450px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loop-center {
    width: 140px;
    height: 140px;
    background: var(--color-surface);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 10;
    box-shadow: 0 0 40px var(--color-primary-glow);
    padding: 1rem;
}

.loop-center span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 700;
}

.loop-center h4 {
    font-size: 0.9rem;
    margin-top: 5px;
}

.loop-orbit {
    position: absolute;
    width: 320px;
    height: 320px;
    border: 1px dashed var(--glass-border);
    border-radius: 50%;
    z-index: 1;
}

.loop-node {
    padding: 10px;
    width: 100px;
    height: 100px;
    background: var(--color-surface);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.loop-node i {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.node-rotator {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 320px;
    height: 320px;
    margin-top: -160px;
    margin-left: -160px;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Place node at the top of the circle */
    z-index: 5;
    pointer-events: none; /* Allow interaction with elements behind it if needed */
}

.loop-node {
    pointer-events: auto; /* Re-enable for the node itself */
    padding: 10px;
    width: 100px;
    height: 100px;
    background: var(--color-surface);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    margin-top: -50px; /* Offset to center the node on the line */
}

/* Orbiting Animation */
@keyframes orbit-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.node-rotator[data-node="1"] { animation: orbit-rotate 20s linear infinite; }
.node-rotator[data-node="1"] .loop-node { animation: counter-rotate 20s linear infinite; }

.node-rotator[data-node="2"] { animation: orbit-rotate 20s linear infinite -6.66s; }
.node-rotator[data-node="2"] .loop-node { animation: counter-rotate 20s linear infinite -6.66s; }

.node-rotator[data-node="3"] { animation: orbit-rotate 20s linear infinite -13.33s; }
.node-rotator[data-node="3"] .loop-node { animation: counter-rotate 20s linear infinite -13.33s; }

.loop-particle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    margin-top: -165px; /* Orbit radius + half particle size */
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-primary);
    z-index: 2;
    transform-origin: center 165px;
    animation: orbit-rotate 5s linear infinite;
}

@keyframes moveParticle {
    0% { offset-distance: 0%; }
    100% { offset-distance: 100%; }
}

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

/* Ecosystem Section */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.ecosystem-card {
    padding: 0;
    overflow: hidden;
}

.ecosystem-img-wrapper {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

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

.ecosystem-body {
    padding: var(--space-md);
}

.ecosystem-status {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.ecosystem-card h3 {
    margin-bottom: 1rem;
}

.ecosystem-card p {
    font-size: 0.95rem;
    color: var(--color-text-dim);
    margin-bottom: 1.5rem;
}

/* Impact Section */
.impact-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.stat-card {
    text-align: center;
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* Impact Points */
.impact-points {
    margin-top: var(--space-xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.impact-point {
    display: flex;
    gap: 1.5rem;
}

.impact-point-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--glass);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.contact-form-wrapper {
    background: var(--color-surface);
    padding: var(--space-lg);
    border-radius: 32px;
    border: 1px solid var(--glass-border);
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
    margin-bottom: 0.5rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    background: var(--color-surface-hover);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    color: var(--color-text);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Footer */
.footer {
    padding: var(--space-xl) 0 var(--space-md);
    background: var(--color-surface);
    border-top: 1px solid var(--glass-border);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-nav h4 {
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    text-decoration: none;
    color: var(--color-text-dim);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-2, .contact-grid, .footer-main {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .loop-wrapper {
        margin-top: var(--space-md);
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 3.5rem; }
    .impact-stats { grid-template-columns: 1fr; }
    .impact-points { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    
    .mobile-menu-btn { display: block; }
    .nav-links { display: none; }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: hsla(0, 0%, 100%, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--space-md);
        border-bottom: 1px solid var(--glass-border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        gap: 1.5rem;
        align-items: center;
    }
    
    .grid-3 { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 2rem; }
    .stat-value { font-size: 2.5rem; }
    .footer-main { grid-template-columns: 1fr; gap: var(--space-md); }
}