:root {
  --darkmode: #1a1c20;
  --nav-bg: #0a0b0c;
  --surface: #111318;
  --surface-alt: #151920;
  --text: rgba(255, 255, 255, 0.75);
  --text-strong: rgba(255, 255, 255, 0.95);
  --muted: rgba(255, 255, 255, 0.58);
  --border: #20242c;
  --accent: #d0a46a;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--darkmode);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.site-wrapper {
  min-height: 100vh;
}

.site-nav-main {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  background: var(--nav-bg);
}

.site-nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  overflow: hidden;
  height: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5vw;
  font-size: 1.3rem;
}

.site-nav-left-wrapper {
  position: relative;
  flex: 1 0 auto;
  display: flex;
}

.site-nav-left-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  z-index: 10;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, rgba(10, 11, 12, 0) 0, #0a0b0c 100%);
  pointer-events: none;
}

.site-nav-left {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  overflow-x: auto;
  margin-right: 10px;
  padding: 0 0 80px;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  white-space: nowrap;
  scrollbar-width: none;
}

.site-nav-left::-webkit-scrollbar {
  display: none;
}

.site-nav-logo {
  position: relative;
  z-index: 11;
  flex-shrink: 0;
  display: inline-block;
  margin-right: 32px;
  padding: 12px 0;
  color: #fff;
  font-size: 1.7rem;
  line-height: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-transform: none;
}

.site-nav-left a {
  padding: 11px 12px;
  opacity: 0.82;
  transition: opacity 0.2s ease;
}

.site-nav-left a:hover,
.site-nav-left a:focus-visible,
.social-link:hover,
.social-link:focus-visible {
  opacity: 1;
}

.site-nav-right {
  flex: 0 1 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
  height: 40px;
  padding: 10px 0;
}

.social-links {
  display: flex;
  align-items: center;
}

.social-link {
  display: inline-block;
  padding: 10px;
  opacity: 0.8;
  font-size: 1.2rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
  padding: 4px 10px;
  font-size: 1.2rem;
  text-transform: uppercase;
}

.site-main {
  position: relative;
  z-index: 100;
  max-width: 1200px;
  margin: 0 auto;
  padding: 68px 5vw 32px;
}

section[id] {
  scroll-margin-top: 70px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.hero-copy {
  padding: 20px 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text-strong);
  line-height: 1.1;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.8rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(2.4rem, 4.2vw, 4rem);
  max-width: 20ch;
}

h3 {
  font-size: 2.1rem;
}

.hero-text {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.9rem;
  line-height: 1.5;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  color: var(--text-strong);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.04);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #151617;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #d7af78;
  border-color: #d7af78;
}

.hero-metrics {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.hero-metrics li {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

.hero-metrics strong {
  display: block;
  color: var(--text-strong);
  font-size: 1.45rem;
  margin-bottom: 3px;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 1.45rem;
}

.hero-media {
  min-height: 460px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: #0f1114;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: 18px;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
}

.overview-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 1.7rem;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.system-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.system-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.system-card h3 {
  margin: 14px 14px 6px;
  font-size: 1.95rem;
}

.system-card p {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--muted);
  font-size: 1.5rem;
}

.section-cta {
  margin-top: 16px;
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.process-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 1.55rem;
}

.process-list strong {
  color: var(--text-strong);
}

.contact-cta {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  padding: 24px;
}

.contact-cta p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 1.7rem;
}

.site-footer {
  margin-top: 28px;
  background: var(--nav-bg);
  color: #fff;
}

.site-footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 5vw;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 1.3rem;
}

.site-footer-content,
.site-footer-content a {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer-content a:hover,
.site-footer-content a:focus-visible {
  color: #fff;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
}

.site-footer-nav a {
  position: relative;
  margin-left: 20px;
}

.site-footer-nav a::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -11px;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
}

.site-footer-nav a:first-of-type::before {
  display: none;
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 360px;
  }

  .system-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-nav {
    overflow: visible;
    align-items: center;
  }

  .menu-toggle {
    display: inline-block;
    cursor: pointer;
  }

  .site-nav-left-wrapper::after,
  .social-links {
    display: none;
  }

  .site-nav-left {
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    overflow: hidden;
    margin-right: 0;
    padding: 0;
    max-height: 0;
    background: #0a0b0c;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    transition: max-height 0.25s ease;
  }

  .site-nav-left.open {
    max-height: 340px;
    padding-bottom: 8px;
  }

  .site-nav-left a,
  .site-nav-logo {
    width: 100%;
    margin-right: 0;
    padding: 10px 5vw;
    line-height: 1.4;
  }

  .site-main {
    padding-top: 58px;
  }

  .overview-grid,
  .system-grid {
    grid-template-columns: 1fr;
  }

  .hero-text,
  .overview-grid p,
  .contact-cta p {
    font-size: 1.6rem;
  }
}

@media (max-width: 620px) {
  .site-footer-content {
    gap: 8px;
  }

  .site-footer-nav a {
    margin-left: 14px;
  }

  .site-footer-nav a::before {
    left: -8px;
  }

  .contact-cta {
    padding: 18px;
  }
}