:root {
    --bg: #000000;
    --fg: #ffffff;
    --muted: #888888;
    --accent: #222222;
    --line: rgba(255,255,255,0.06);
    --card-bg: #050505;
}

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

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.dev-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-right: 2rem;
}

.nav-btn {
    color: var(--fg);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.75rem;
    border: 1px solid var(--line);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    transition: all 0.2s;
    font-family: 'JetBrains Mono', monospace;
}

.nav-btn:hover {
    background: var(--fg);
    color: var(--bg);
}

/* Sections */
section {
    padding: 10rem 8%;
    border-bottom: 1px solid var(--line);
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 0 5%;
    border-bottom: none;
}

.hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: -1;
    opacity: 0.4;
    mask-image: radial-gradient(circle, black 40%, transparent 90%);
}

.hero-image img {
    max-width: 900px;
    width: 90%;
    filter: saturate(0.5) contrast(1.1);
}

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

.badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--fg);
    border: 1px solid var(--line);
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 2rem;
    letter-spacing: 3px;
    background: rgba(255,255,255,0.03);
}

h1 {
    font-size: clamp(4rem, 12vw, 12rem);
    font-weight: 700;
    letter-spacing: -0.06em;
    line-height: 0.8;
    margin-bottom: 1.5rem;
}

.tagline {
    font-size: clamp(1.2rem, 3vw, 2.5rem);
    font-weight: 200;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--muted);
    max-width: 450px;
    margin: 0 auto 3rem;
    font-family: 'JetBrains Mono', monospace;
}

.btn-primary {
    display: inline-block;
    background: var(--fg);
    color: var(--bg);
    padding: 1rem 3rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.3s;
    font-family: 'JetBrains Mono', monospace;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}

/* Evolution Section */
.split-row {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
}

.split-col {
    flex: 1;
}

.split-col h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.split-col p {
    font-size: 1.2rem;
    color: var(--muted);
    font-weight: 200;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-box {
    border: 1px solid var(--line);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--card-bg);
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--fg);
}

.stat-label {
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

/* Jurisdictions */
.jur-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.jur-card {
    background: var(--card-bg);
    border: 1px solid var(--line);
    padding: 3rem;
}

.jur-card h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0;
}

.jur-card ul {
    list-style: none;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 200;
}

.jur-card li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.jur-card li::before {
    content: "—";
    margin-right: 0.8rem;
    opacity: 0.3;
}

/* Use Cases */
.use-cases h2 {
    font-size: 3rem;
    margin-bottom: 4rem;
    letter-spacing: -0.04em;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.case-card {
    border: 1px solid var(--line);
    padding: 2.5rem;
    transition: all 0.3s;
}

.case-card:hover {
    background: var(--fg);
    color: var(--bg);
}

.case-card h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.case-card p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Grounded Section */
.grounded {
    text-align: center;
}

.grounded h2 {
    font-size: clamp(2rem, 6vw, 5rem);
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
}

.grounded p {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    color: var(--muted);
    font-weight: 200;
}

.tech-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tech-tags span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    border: 1px solid var(--line);
    padding: 8px 16px;
    color: var(--muted);
}

/* Bottom CTA */
.bottom-cta {
    position: relative;
    text-align: center;
    padding: 15rem 10%;
    overflow: hidden;
}

.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.bottom-cta h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
}

.bottom-cta p {
    margin-bottom: 3.5rem;
    color: var(--muted);
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: 4rem 8%;
    border-top: 1px solid var(--line);
}

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

.footer-brand p {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 1rem;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted);
}

.footer-legal {
    font-size: 0.7rem;
    color: #444;
}

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

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

@media (max-width: 1024px) {
    .split-row { flex-direction: column; }
    .jur-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 5rem; }
    footer .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-meta { align-items: center; }
}