:root {
    --slate: #1e2530;
    --slate-dark: #12161d;
    --lime: #a3e635;
    --lime-hover: #bbf7d0;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --divider: #334155;
    
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    
    --radius: 20px;
    --transition: 0.3s ease;
}

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

html {
    lang: en;
    scroll-behavior: smooth;
}

body {
    background-color: var(--slate);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-wrap: anywhere;
    hyphens: auto;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.mono-heading, .label, .stat-number {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mono-heading {
    font-size: 0.875rem;
    color: var(--lime);
    display: block;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

a {
    color: var(--lime);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--text-main);
}

/* Layout Core */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.long-copy {
    max-width: 72ch;
    margin: 0 auto;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius);
    object-fit: cover;
}

/* Header & Nav */
header {
    padding: 1.5rem 0;
    position: relative;
    border-bottom: 1px solid var(--divider);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
}

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

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-main);
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--lime);
    color: var(--slate-dark);
}

.btn-primary:hover {
    background-color: var(--lime-hover);
    color: var(--slate-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--lime);
    box-shadow: inset 0 0 0 1px var(--lime);
}

.btn-outline:hover {
    background-color: var(--lime);
    color: var(--slate-dark);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
}

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

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.hero-images {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
}

.hero-img {
    position: absolute;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid var(--divider);
}

.hero-img-1 {
    width: 60%;
    height: 70%;
    top: 0;
    left: 0;
    z-index: 1;
}

.hero-img-2 {
    width: 55%;
    height: 65%;
    bottom: 0;
    right: 0;
    z-index: 2;
}

.hero-img-3 {
    width: 45%;
    height: 55%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

/* Alternating Split Sections */
.split-section {
    padding: 6rem 0;
    border-top: 1px solid var(--divider);
}

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

.split-reverse .split-content {
    order: 2;
}

.split-reverse .split-media {
    order: 1;
}

.split-media img {
    width: 100%;
    aspect-ratio: 4/3;
}

/* List Rows (Replacing Cards) */
.list-container {
    margin-top: 2rem;
}

.list-row {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--divider);
}

.list-row:last-child {
    border-bottom: none;
}

.list-icon {
    font-family: var(--font-mono);
    color: var(--lime);
    font-size: 1.25rem;
    width: 40px;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.list-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.list-content p {
    margin-bottom: 0;
}

/* Forms & Tools */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-family: var(--font-mono);
    color: var(--lime);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

input, textarea, select {
    width: 100%;
    padding: 1rem;
    background-color: var(--slate-dark);
    border: 1px solid var(--divider);
    color: var(--text-main);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    transition: border-color var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--lime);
}

.tool-panel {
    background-color: var(--slate-dark);
    padding: 3rem;
    border-radius: var(--radius);
    border: 1px solid var(--divider);
}

/* Details / FAQ */
details {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--divider);
}

summary {
    font-weight: 700;
    font-size: 1.25rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    font-family: var(--font-mono);
    color: var(--lime);
}

details[open] summary::after {
    content: '-';
}

details p {
    margin-top: 1rem;
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: var(--slate-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--divider);
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-family: var(--font-mono);
    color: var(--lime);
    font-size: 0.875rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: var(--text-muted);
}

.footer-col ul li a:hover {
    color: var(--lime);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--divider);
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

/* Page Header */
.page-header {
    padding: 6rem 0 4rem;
    text-align: center;
    border-bottom: 1px solid var(--divider);
}

.page-header p {
    max-width: 60ch;
    margin: 0 auto;
    font-size: 1.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--slate-dark);
        flex-direction: column;
        padding: 2rem 5%;
        border-bottom: 1px solid var(--divider);
        z-index: 50;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-grid, .split-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .split-reverse .split-content {
        order: 1;
    }
    
    .split-reverse .split-media {
        order: 2;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}