:root {
    --primary-green: #76B900;
    --primary-green-hover: #6CAB00;
    --dark-green: #4D7902;
    --text-main: #1A1A1A;
    --text-secondary: #555555;
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #111111;
    --border-color: #E5E5E5;
    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(118, 185, 0, 0.2);
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-green {
    color: var(--primary-green);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-green-hover);
    border-color: var(--primary-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(118, 185, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 2px solid var(--text-main);
}

.btn-outline:hover {
    background-color: var(--text-main);
    color: white;
}

.btn.sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Navbar */
.navbar {
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Hero */
.hero {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 60px 0;
    background: radial-gradient(circle at top right, rgba(118, 185, 0, 0.1), transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 700;
    letter-spacing: -1px;
}

.badge {
    display: inline-block;
    background: rgba(118, 185, 0, 0.15);
    color: var(--dark-green);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 20px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

/* Intro Pillars */
.intro {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.intro-card {
    padding: 30px;
    border-radius: 12px;
    /* border: 1px solid var(--border-color); */
    background: var(--bg-light);
    transition: transform 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-5px);
}

.intro-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-green);
}

.intro-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.intro-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Spotlight Section */
.spotlight {
    padding: 100px 0;
    background: #000; /* Dark background for powerful contrast */
    color: white;
    position: relative;
    overflow: hidden;
}

.spotlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(118, 185, 0, 0.2), transparent 70%);
    pointer-events: none;
}

.spotlight-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 10;
}

.spotlight-label {
    color: var(--primary-green);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 16px;
}

.spotlight-header h2 {
    font-size: 4rem; /* Big */
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1;
}

.spotlight-tagline {
    font-size: 1.5rem;
    color: #cccccc;
    font-style: italic;
    font-family: serif;
}

.spotlight-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 10;
}

.spotlight-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.feature-item h4 {
    color: var(--primary-green);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-item p {
    color: #aaaaaa;
    line-height: 1.5;
}

.spotlight-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: background 0.3s;
}

.stat-card:hover {
    background: rgba(118, 185, 0, 0.1);
    border-color: var(--primary-green);
}

.stat-num {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-desc {
    color: #888;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Family Grid */
.family {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.family-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.model-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px 24px;
    background: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.model-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.card-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-green);
    text-transform: uppercase;
    background: rgba(118, 185, 0, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.model-card h3 {
    margin-top: 10px;
    font-size: 1.25rem;
    margin-bottom: 6px;
}

.role {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.specs {
    list-style: none;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.specs li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
}

.specs li::before {
    content: '•';
    color: var(--primary-green);
    margin-right: 8px;
    font-size: 1.2em;
}

/* Developers */
.developers {
    padding: 100px 0;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.dev-content {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 800px;
    text-align: center;
}

.dev-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.dev-list {
    display: flex;
    justify-content: space-between;
    text-align: left;
    margin: 50px 0;
    gap: 30px;
}

.dev-item {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    flex: 1;
}

.dev-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary-green);
}

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

.btn-outline-white {
    display: inline-block;
    padding: 12px 32px;
    border: 2px solid var(--text-main);
    color: var(--text-main);
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s;
}

.btn-outline-white:hover {
    background: var(--text-main);
    color: white;
}

/* FAQ */
.faq {
    padding: 100px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    color: white;
}

.footer-brand p {
    color: #888;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group h5 {
    color: white;
    margin-bottom: 20px;
    font-weight: 600;
}

.link-group a {
    display: block;
    color: #888;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.link-group a:hover {
    color: var(--primary-green);
}

.copyright {
    color: #444;
    font-size: 0.85rem;
    text-align: center;
    border-top: 1px solid #222;
    padding-top: 30px;
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-sub {
        margin: 0 auto 30px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .intro-grid, .family-grid {
        grid-template-columns: 1fr;
    }
    
    .spotlight-content {
        grid-template-columns: 1fr;
    }
    
    .spotlight-features {
        grid-template-columns: 1fr;
    }
    
    .dev-list {
        flex-direction: column;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}