:root {
  --paper: #f5f5f5;
  --paper-deep: #eef7f2;
  --ink: #333333;
  --ink-soft: #5f6b66;
  --signal: #009879;
  --signal-dark: #3a8c5b;
  --moss: #45bc75;
  --line: #dddddd;
  --white: #ffffff;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.1);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  width: 520px;
  height: 520px;
  top: -230px;
  right: -160px;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  background: rgba(0, 152, 121, 0.075);
}

a {
  color: var(--signal-dark);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--signal);
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--ink);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 245, 245, 0.94);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  backdrop-filter: blur(10px);
}

.nav {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-family: inherit;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.88rem;
  font-weight: 650;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--signal-dark);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: var(--white);
  font: 700 0.8rem inherit;
}

.wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: 5rem 0;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  color: var(--signal-dark);
  font: 750 0.78rem ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--signal);
}

h1,
h2,
h3 {
  font-family: inherit;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 8.5vw, 7rem);
  font-weight: 780;
  letter-spacing: -0.055em;
}

h1 em {
  color: var(--signal-dark);
  font-style: normal;
  font-weight: 780;
}

.hero-copy {
  max-width: 650px;
  margin: 1.6rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--signal);
  border-radius: 8px;
  padding: 0.72rem 1.1rem;
  color: var(--white);
  background: var(--signal);
  box-shadow: 0 3px 10px rgba(0, 152, 121, 0.2);
  font: 700 0.82rem inherit;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.button:hover {
  transform: translateY(-1px);
  color: var(--white);
  background: var(--signal-dark);
  box-shadow: 0 6px 14px rgba(0, 152, 121, 0.24);
}

.button.secondary:hover {
  color: var(--ink);
  background: #f9f9f9;
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.09);
}

.hero-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: "LIVE TRANSFER / :9090";
  display: block;
  margin-bottom: 0.8rem;
  color: var(--signal-dark);
  font: 800 0.72rem ui-monospace, monospace;
  letter-spacing: 0.08em;
}

.hero-card img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.proof-strip {
  background: #173c32;
  color: var(--white);
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-item {
  padding: 1.2rem;
  border-right: 1px solid #627078;
  text-align: center;
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item strong {
  display: block;
  color: #7ae3ad;
  font: 800 1.05rem ui-monospace, monospace;
}

.proof-item span {
  font-size: 0.84rem;
}

.section {
  padding: clamp(4.5rem, 9vw, 8rem) 0;
}

.section.alt {
  border-block: 1px solid #dce9e2;
  background: var(--paper-deep);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
}

.section h2,
.doc-hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  letter-spacing: -0.045em;
}

.section-intro {
  max-width: 650px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

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

.card {
  position: relative;
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  background: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

.card:nth-child(2n) {
  transform: translateY(0.7rem);
}

.card .number {
  color: var(--signal-dark);
  font: 800 0.82rem ui-monospace, monospace;
}

.card h3 {
  margin: 2.2rem 0 0.7rem;
  font-size: 1.55rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

.terminal {
  overflow: hidden;
  border: 1px solid #285c4d;
  border-radius: 12px;
  background: #173c32;
  color: #eff5e9;
  box-shadow: var(--shadow);
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-bottom: 1px solid #435058;
  padding: 0.75rem 1rem;
  color: #a8b5b8;
  font: 0.75rem ui-monospace, monospace;
}

.terminal-head i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #7ae3ad;
}

.terminal pre {
  overflow-x: auto;
  margin: 0;
  padding: 1.4rem;
  font: 0.88rem/1.8 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.terminal .prompt {
  color: #7ae3ad;
}

.install-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.install-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.install-tab {
  border: 1px solid #647178;
  padding: 0.5rem 0.7rem;
  color: #b8c2c4;
  background: transparent;
  font: 700 0.75rem ui-monospace, monospace;
  cursor: pointer;
}

.install-tab[aria-selected="true"] {
  border-color: #7ae3ad;
  color: #173c32;
  background: #7ae3ad;
}

.install-panel[hidden] {
  display: none;
}

.shot-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
}

.shot {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem;
  background: var(--white);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.08);
}

.shot img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.shot figcaption {
  padding: 0.65rem 0.2rem 0.1rem;
  color: var(--ink-soft);
  font: 0.72rem ui-monospace, monospace;
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--white);
  background: var(--signal);
  font: 800 0.75rem ui-monospace, monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

tr.highlight td {
  background: #e9f7f0;
  font-weight: 650;
}

.doc-hero {
  padding: 6rem 0 3rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.doc-hero p {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.doc-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: 4rem;
  align-items: start;
  padding: 4rem 0 7rem;
}

.toc {
  position: sticky;
  top: 100px;
  border-left: 3px solid var(--signal);
  padding-left: 1rem;
}

.toc strong {
  font: 800 0.74rem ui-monospace, monospace;
  text-transform: uppercase;
}

.toc a {
  display: block;
  margin-top: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
}

.doc-content h2 {
  margin: 3.5rem 0 1rem;
  font-size: 2.15rem;
}

.doc-content h2:first-child {
  margin-top: 0;
}

.doc-content h3 {
  margin: 2rem 0 0.6rem;
  font-size: 1.35rem;
}

.doc-content code:not(pre code) {
  border: 1px solid var(--line);
  padding: 0.08rem 0.32rem;
  background: var(--white);
  font: 0.88em ui-monospace, monospace;
}

.doc-content pre {
  overflow-x: auto;
  border-left: 5px solid var(--signal);
  padding: 1rem 1.2rem;
  color: #eff5e9;
  border-radius: 0 8px 8px 0;
  background: #173c32;
  font: 0.88rem/1.7 ui-monospace, monospace;
}

.callout {
  margin: 1.5rem 0;
  border: 1px solid #b8ddc9;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  background: #e9f7f0;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
}

.callout strong {
  font-family: ui-monospace, monospace;
  text-transform: uppercase;
}

.cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  border: 0;
  border-radius: 16px;
  padding: clamp(1.8rem, 5vw, 3.5rem);
  background: var(--signal);
  box-shadow: var(--shadow);
}

.cta h2 {
  max-width: 720px;
  color: var(--white);
}

.site-footer {
  border-top: 0;
  padding: 2.5rem 0;
  background: #173c32;
  color: #ccd4d5;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
}

.site-footer a {
  color: #7ae3ad;
}

@media (max-width: 900px) {
  .hero,
  .section-head,
  .install-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-card {
    max-width: 700px;
  }

  .proof-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-item:nth-child(2) {
    border-right: 0;
  }

  .proof-item:nth-child(-n + 2) {
    border-bottom: 1px solid #627078;
  }

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

  .doc-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    inset: 70px 0 auto;
    display: none;
    align-items: stretch;
    border-bottom: 1px solid var(--line);
    padding: 1rem;
    background: var(--paper);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
  }

  .nav-links.open {
    display: grid;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .use-grid,
  .feature-grid,
  .shot-grid,
  .cta {
    grid-template-columns: 1fr;
  }

  .card:nth-child(2n) {
    transform: none;
  }

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

  .footer-inner {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}