:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #111111;
  --fg: #ffffff;
  --muted: #b3b3b3;
  --border: #333333;
  --accent: #d4d4d4;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--bg); color: var(--fg); font-size: 1rem; line-height: 1.65; }
a { color: inherit; text-underline-offset: 0.25em; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--fg); outline-offset: 6px; }
::selection { color: var(--bg); background: var(--fg); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, h2 { font-weight: 550; letter-spacing: -0.055em; line-height: 1.05; }
h2 { font-size: clamp(2.4rem, 4.8vw, 4.1rem); }
h3 { font-size: 1.4rem; font-weight: 550; letter-spacing: -0.025em; line-height: 1.3; }
img { display: block; max-width: 100%; }
abbr[title] { text-decoration: none; }
.wrap { width: min(1184px, calc(100% - 6rem)); margin-inline: auto; }
.eyebrow { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.11em; line-height: 1.6; text-transform: uppercase; color: var(--muted); }
.skip-link { position: absolute; top: 0.8rem; left: 1rem; z-index: 10; padding: 0.7rem 1rem; color: var(--bg); background: var(--fg); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); color: var(--bg); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 100px; border-bottom: 1px solid var(--border); }
.brand { font-size: 2rem; font-weight: 750; line-height: 1; letter-spacing: -0.08em; text-decoration: none; }
.brand-dot { color: var(--muted); }
.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 2rem; font-size: 0.85rem; }
.site-header nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; color: var(--muted); }
.site-header nav a:hover, .site-header nav .nav-contact { color: var(--fg); }
.nav-contact span { margin-left: 0.6rem; }
.hero { padding-block: 6rem 5.5rem; }
.hero .eyebrow { display: flex; align-items: center; gap: 0.65rem; }
.status-dot { display: inline-block; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(3.4rem, 7.8vw, 6.8rem); margin-block: 1.9rem 1.8rem; }
.hero-description { max-width: 650px; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.3rem); line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem; margin-top: 2.25rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 1.5rem; min-height: 52px; padding: 0.85rem 1.35rem; border: 1px solid var(--border); font-size: 0.85rem; font-weight: 600; line-height: 1.5; text-decoration: none; }
.button-primary { color: var(--bg); background: var(--fg); border-color: var(--fg); }
.button-primary:hover { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.button-secondary { color: var(--fg); background: transparent; }
.button-secondary:hover { color: var(--fg); background: var(--surface); border-color: var(--muted); }
.experience { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding-block: 1.75rem 2rem; }
.experience-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.5rem 2rem; }
.experience-heading p { color: var(--muted); font-size: 0.75rem; }
.logo-grid { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 0; margin: 1.75rem 0 0; list-style: none; }
.logo-grid li { display: flex; flex: 1; min-width: 0; height: 48px; align-items: center; justify-content: center; }
.logo-grid img { width: 100%; max-width: 105px; height: 38px; object-fit: contain; filter: brightness(0) invert(0.8); }
.logo-grid img.symbol { width: 34px; height: 34px; }
/* This source SVG has a square viewBox with generous space around its wordmark. */
.logo-grid img.square-wordmark { height: 80px; }
.section { padding-block: 6rem; border-bottom: 1px solid var(--border); }
.section-heading { margin-bottom: 2.75rem; }
.section-heading h2 { margin-top: 1.1rem; }
.section-intro { max-width: 680px; color: var(--muted); font-size: 1.1rem; margin-top: 1.5rem; }
.examples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--border); }
.example { display: flex; flex-direction: column; padding: 2rem; }
.example + .example { border-left: 1px solid var(--border); }
.example h3 { margin-block: 1.5rem 1rem; min-height: 5.4rem; }
.example > p:not(.eyebrow) { color: var(--muted); font-size: 0.9rem; }
.example .example-flow { padding-top: 2rem; margin-top: auto; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 0.68rem; }
.example-flow span { margin-inline: 0.25rem; }
.section-note { color: var(--muted); font-size: 0.78rem; max-width: 850px; margin-top: 1.25rem; }
.connection { display: grid; grid-template-columns: 1fr auto 1.25fr auto 1fr; align-items: center; gap: 1.5rem; padding: 2rem; border: 1px solid var(--border); }
.connection > div { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.6rem; padding: 1.4rem 1rem; }
.connection strong { font-size: 1.2rem; font-weight: 550; }
.connection-server { background: var(--surface); border: 1px solid var(--muted); }
.connection-arrow { color: var(--muted); font-size: 1.6rem; }
.protocol-note { max-width: 800px; font-size: 0.9rem; color: var(--muted); margin-block: 1.25rem 3rem; }
.offer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.offer-card { background: var(--surface); border: 1px solid var(--border); padding: 2.5rem; }
.offer-card h3 { font-size: 1.7rem; margin-block: 1.25rem 1rem; }
.offer-card > p:not(.eyebrow) { color: var(--muted); font-size: 0.95rem; }
.feature-list { list-style: none; margin: 1.8rem 0 0; padding: 0; }
.feature-list li { position: relative; padding: 0.75rem 0 0.75rem 1.25rem; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--accent); }
.feature-list li::before { content: "+"; position: absolute; left: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.steps li { border-top: 1px solid var(--border); padding-top: 1.4rem; }
.step-number { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 0.8rem; color: var(--muted); }
.steps h3 { margin-block: 1.25rem 0.75rem; font-size: 1.2rem; }
.steps p { color: var(--muted); font-size: 0.85rem; }
.faq-section { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4rem; }
.faq-section h2 { font-size: clamp(2.2rem, 3.5vw, 3rem); }
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { position: relative; padding: 1.4rem 2.5rem 1.4rem 0; cursor: pointer; list-style: none; font-size: 0.95rem; font-weight: 500; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0.3rem; top: 1.25rem; color: var(--muted); font-size: 1.2rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding-bottom: 1.5rem; color: var(--muted); font-size: 0.9rem; }
.contact-section { padding-block: 6rem; }
.contact-section h2 { margin-block: 1.25rem 1.5rem; }
.contact-section > p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.text-link { display: inline-block; padding: 0.75rem 0; font-size: 0.85rem; }
.actions .text-link { margin-left: 0.5rem; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; border-top: 1px solid var(--border); padding-block: 2rem; }
.site-footer .brand { font-size: 1.5rem; }
.site-footer p, .site-footer > div { color: var(--muted); font-size: 0.75rem; }
.site-footer > div { display: flex; gap: 1.5rem; margin-left: auto; }
.site-footer a:not(.brand) { text-decoration: none; }
.simple-page { min-height: calc(100svh - 205px); padding-block: 6rem; }
.simple-page h1 { font-size: clamp(3rem, 6vw, 5rem); max-width: 950px; margin-block: 1.5rem; }
.simple-page .lead { color: var(--muted); font-size: 1.15rem; max-width: 650px; }
.contact-details { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.contact-details h2 { font-size: 1.5rem; letter-spacing: -0.025em; }
.contact-details p, .contact-details ul { margin-top: 1rem; color: var(--muted); font-size: 0.95rem; }
.contact-details ul { padding-left: 1.2rem; }
.contact-details li + li { margin-top: 0.5rem; }

@media (max-width: 1000px) {
  .wrap { width: calc(100% - 4rem); }
  .logo-grid { flex-wrap: wrap; justify-content: center; gap: 1rem 2rem; }
  .logo-grid li { flex: 0 0 calc((100% - 10rem) / 6); }
  .example { padding: 1.5rem; }
  .offer-card { padding: 2rem; }
  .connection { gap: 0.75rem; padding: 1.5rem; }
  .connection > div { padding-inline: 0.5rem; }
  .steps { gap: 1rem; }
  .faq-section { gap: 2rem; }
}

@media (max-width: 700px) {
  .wrap { width: calc(100% - 2.5rem); }
  .site-header { min-height: 80px; gap: 1rem; }
  .site-header nav { gap: 1rem; font-size: 0.75rem; }
  .brand { font-size: 1.75rem; }
  .hero { padding-block: 4rem; }
  .hero h1 { font-size: clamp(2.75rem, 8.6vw, 4rem); margin-top: 1.5rem; }
  .hero .eyebrow { font-size: 0.6rem; letter-spacing: 0.08em; }
  .button { padding-inline: 1.15rem; gap: 1rem; }
  .experience { padding-block: 1.5rem; }
  .logo-grid { gap: 1rem 1.5rem; }
  .logo-grid li { flex-basis: calc((100% - 3rem) / 3); }
  .logo-grid img { max-width: 95px; height: 32px; }
  .logo-grid img.square-wordmark { height: 75px; }
  .section, .contact-section { padding-block: 4rem; }
  .section-heading { margin-bottom: 2rem; }
  .section-intro { font-size: 1rem; }
  .examples, .offer-grid, .faq-section, .contact-details { grid-template-columns: 1fr; }
  .example + .example { border-left: 0; border-top: 1px solid var(--border); }
  .example h3 { min-height: 0; max-width: 400px; }
  .example .example-flow { padding-top: 1.5rem; }
  .connection { grid-template-columns: 1fr; gap: 0; padding: 1.5rem; }
  .connection-arrow { text-align: center; transform: rotate(90deg); }
  .connection > div { padding: 1rem; }
  .connection-server { width: 100%; }
  .offer-card { padding: 1.75rem; }
  .steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .steps li { display: grid; grid-template-columns: 2rem 1fr; column-gap: 1rem; }
  .steps h3 { margin: 0 0 0.5rem; }
  .steps p { grid-column: 2; }
  .faq-section { gap: 0; }
  .contact-section h2 { font-size: clamp(2rem, 6.5vw, 3rem); }
  .actions .text-link { margin-left: 0; }
  .site-footer { gap: 1rem; }
  .site-footer p { flex-basis: calc(100% - 4rem); }
  .site-footer > div { margin-left: 0; }
  .simple-page { padding-block: 4rem; }
  .contact-details { gap: 2rem; margin-top: 3rem; }
}

@media (max-width: 380px) {
  .site-header nav { gap: 0.75rem; font-size: 0.68rem; }
  .nav-contact span { margin-left: 0; }
  .actions { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}