:root {
  color-scheme: dark;
  --bg: #0b1114;
  --panel: #111a1f;
  --panel-soft: #15232a;
  --text: #edf4f1;
  --muted: #9baaa5;
  --line: rgba(237, 244, 241, 0.13);
  --accent: #4fd1a1;
  --accent-strong: #9be7c7;
  --amber: #f1b86b;
  --blue: #7db7ff;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  color: var(--text);
  background:
    linear-gradient(120deg, rgba(79, 209, 161, 0.12), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(125, 183, 255, 0.12), transparent 28rem),
    var(--bg);
}

a {
  color: inherit;
  text-decoration-color: rgba(79, 209, 161, 0.5);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent-strong);
}

.site-header,
.site-footer {
  width: 100%;
  border-color: var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 17, 20, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav,
.footer-inner,
.section,
.hero {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(79, 209, 161, 0.45);
  background: rgba(79, 209, 161, 0.1);
  color: var(--accent-strong);
  border-radius: 8px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: clamp(32px, 7vw, 80px);
  padding: 72px 0 92px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  max-width: 14ch;
  font-size: 4.8rem;
  line-height: 0.98;
  font-weight: 650;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 2.7rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.lead {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.22rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(79, 209, 161, 0.55);
  background: rgba(79, 209, 161, 0.13);
  color: var(--text);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 650;
}

.button.secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--muted);
}

.signal-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(21, 35, 42, 0.86), rgba(17, 26, 31, 0.9));
  padding: clamp(22px, 4vw, 34px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.signal-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.88rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(79, 209, 161, 0.7);
}

.flow {
  display: grid;
  gap: 12px;
}

.flow-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(11, 17, 20, 0.42);
}

.flow-num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(125, 183, 255, 0.13);
  color: var(--blue);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
}

.flow-item p,
.card p,
.summary-list p,
.footer-inner p {
  margin-bottom: 0;
  color: var(--muted);
}

.section {
  padding: 86px 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

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

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 26, 31, 0.78);
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--amber);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.summary-list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.summary-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.process-list {
  display: grid;
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  list-style: none;
  counter-reset: process;
}

.process-list li {
  counter-increment: process;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 24px;
  background: rgba(17, 26, 31, 0.86);
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(125, 183, 255, 0.13);
  color: var(--blue);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
}

.process-list span {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 650;
}

.process-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.content-page {
  width: min(100% - 40px, 880px);
  margin: 0 auto;
  padding: 72px 0 92px;
}

.content-page h1 {
  max-width: 13ch;
  font-size: 4rem;
}

.content-page h2 {
  margin-top: 52px;
  font-size: 2.1rem;
}

.content-page ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.content-page li + li {
  margin-top: 10px;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.info-strip div {
  padding: 18px;
  background: var(--panel);
}

.info-strip span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 860px) {
  .hero,
  .grid,
  .grid.two,
  .info-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 54px;
  }

  .nav {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 16px;
    font-size: 0.9rem;
  }

  h1 {
    font-size: 3.2rem;
  }

  h2 {
    font-size: 2.15rem;
  }

  .lead {
    font-size: 1.1rem;
  }

  .content-page h1 {
    font-size: 3rem;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav,
  .footer-inner,
  .section,
  .hero,
  .content-page {
    width: min(100% - 28px, var(--max));
  }

  .flow-item {
    grid-template-columns: 1fr;
  }

  .process-list li {
    grid-template-columns: 1fr;
  }

  h1,
  .content-page h1 {
    font-size: 2.55rem;
  }

  h2,
  .content-page h2 {
    font-size: 1.85rem;
  }

  .actions .button {
    width: 100%;
  }
}