:root {
  --color-bg: #fff;
  --color-text: #172725;
  --color-muted: #5c6966;
  --color-primary: #087568;
  --color-border: #dde5e2;
  --color-tint: #f5f8f7;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --container-width: 1184px;
  --section-space: clamp(64px, 7vw, 104px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; color: var(--color-text); background: var(--color-bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }
a[aria-disabled="true"] { opacity: .65; cursor: default; }
:focus-visible { outline: 3px solid #087568; outline-offset: 5px; border-radius: 3px; }
::selection { background: #c9eae2; color: #172725; }
[hidden] { display: none !important; }
.container { width: min(var(--container-width), calc(100% - 64px)); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section-border { border-top: 1px solid var(--color-border); }
.section-tint { background: var(--color-tint); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.15; }
h1 { font-size: clamp(2.75rem, 4.65vw, 4.25rem); letter-spacing: -.055em; font-weight: 650; }
h2 { font-size: clamp(2rem, 3vw, 2.75rem); letter-spacing: -.045em; font-weight: 620; }
h3 { font-size: 1.125rem; letter-spacing: -.025em; font-weight: 620; }
p { color: var(--color-muted); }
.eyebrow { font-size: .75rem; font-weight: 650; letter-spacing: .13em; color: var(--color-primary); line-height: 1.6; margin-bottom: 20px; }
.button { min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 24px; padding: 12px 22px; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: .875rem; font-weight: 600; transition: background .16s, box-shadow .16s; }
.button span { font-size: 1.125rem; line-height: 1; }
.button-primary { background: var(--color-primary); color: white; box-shadow: 0 2px 3px #17342c0a; }
.button-primary:hover { background: #075f55; color: white; box-shadow: 0 3px 9px #17342c20; }
.button-secondary { background: white; border-color: #d1dad7; }
.button-secondary:hover { background: var(--color-tint); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; font-weight: 730; font-size: 1.5rem; letter-spacing: -.065em; color: var(--color-text); white-space: nowrap; }
.brand-mark { display: inline-grid; place-items: center; width: 32px; height: 32px; background: var(--color-primary); color: white; border-radius: 8px; margin-right: 10px; font-family: Georgia, serif; font-style: italic; font-weight: bold; font-size: 2rem; line-height: 1; padding-bottom: 6px; }
.brand-dot { color: var(--color-primary); }
.site-header { height: 82px; border-bottom: 1px solid var(--color-border); background: #fff; position: sticky; top: 0; z-index: 10; }
.nav-shell { height: 100%; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.nav-shell > .brand { margin-right: auto; }
.language-control { order: 2; position: relative; flex-shrink: 0; }
.menu-toggle { order: 3; }
#navigation { order: 1; }
#language-toggle { display: grid; place-items: center; width: 44px; height: 44px; border: 0; background: transparent; border-radius: 50%; color: var(--color-text); }
#language-toggle:hover, #language-toggle[aria-expanded="true"] { background: var(--color-tint); }
.language-options { position: absolute; right: 0; top: calc(100% + 10px); width: 208px; max-width: calc(100vw - 40px); max-height: calc(100dvh - 100px); overflow-y: auto; background: white; border: 1px solid var(--color-border); padding: 6px; border-radius: var(--radius-md); box-shadow: 0 8px 24px #14292418; z-index: 20; }
.language-options button { width: 100%; display: flex; align-items: center; justify-content: space-between; text-align: left; padding: 8px 12px; min-height: 44px; border: 0; border-radius: var(--radius-sm); color: var(--color-text); background: white; font-size: 1rem; }
.language-options button:hover, .language-options button:focus-visible { background: var(--color-tint); }
.language-options button[aria-pressed="true"]::after { content: '✓'; }
html:not([lang="en"]) h1 { font-size: clamp(2.2rem, 4.2vw, 3.8rem); overflow-wrap: anywhere; }
html:not([lang="en"]) .nav-shell { gap: 12px; }
html:not([lang="en"]) #navigation { gap: 16px; }
#navigation { display: flex; align-items: center; gap: 28px; }
#navigation > a:not(.button) { display: inline-flex; gap: 5px; align-items: center; min-height: 44px; font-size: .875rem; font-weight: 500; }
.nav-cta { min-height: 42px; padding: 10px 16px; gap: 16px; }
.nav-note { font-size: .75rem; font-weight: 400; color: var(--color-muted); }
.nav-divider { height: 20px; width: 1px; background: var(--color-border); }
.menu-toggle { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 11px; }
.menu-toggle span { display: block; height: 2px; margin-block: 5px; background: var(--color-text); }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 30; background: white; padding: 12px 20px; border: 2px solid var(--color-primary); }
.skip-link:focus { top: 12px; }
.hero { display: grid; grid-template-columns: 1.07fr 1fr; gap: 64px; align-items: center; padding-top: 78px; padding-bottom: 78px; }
.hero .eyebrow { display: flex; align-items: center; gap: 8px; margin-bottom: 26px; }
.small-mark { width: 7px; height: 7px; border: 2px solid var(--color-primary); border-radius: 50%; }
h1 span { color: var(--color-primary); }
.hero-description { margin-top: 24px; font-size: 1.125rem; line-height: 1.7; max-width: 490px; }
.hero-support { margin-top: 14px; font-size: .875rem; max-width: 460px; }
.hero .actions { margin-top: 30px; }
.gateway-visual { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background-color: #f6f9f8; background-image: radial-gradient(#c4d2cc 0.65px, transparent 0.65px); background-size: 17px 17px; padding: 22px 28px 18px; overflow: hidden; min-width: 0; }
.visual-top, .visual-bottom { display: flex; justify-content: space-between; align-items: center; color: #596d65; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .625rem; letter-spacing: .045em; gap: 12px; }
.visual-top { margin-bottom: 32px; }
.visual-top > span:last-child { font-size: 1.125rem; }
.app-node { width: 78%; min-height: 74px; border: 1px solid #d1ded8; margin-inline: auto; display: flex; align-items: center; gap: 13px; padding: 12px 16px; border-radius: var(--radius-md); background: white; box-shadow: 0 4px 8px #16342604; }
.app-node strong, .gateway-node strong { display: block; font-weight: 650; font-size: .9375rem; }
.app-node div > span, .gateway-node div > span { display: block; font-size: .75rem; color: var(--color-muted); margin-top: 2px; }
.code-icon { font-family: ui-monospace, monospace; color: var(--color-primary); font-size: 1.25rem; }
.node-port { width: 6px; height: 6px; border: 1px solid #91b0a1; border-radius: 50%; margin-left: auto; }
.connection { height: 76px; position: relative; display: grid; place-items: center; }
.connection::before { content: ''; position: absolute; width: 1px; height: 100%; background: #a6c3b7; top: 0; left: 50%; }
.connection span { z-index: 1; font: .625rem ui-monospace, monospace; background: #f6f9f8; padding: 5px 9px; color: #587567; }
.gateway-node { border: 1px solid #89b8a6; padding: 20px; border-radius: var(--radius-md); display: flex; align-items: center; background: #fff; position: relative; box-shadow: 0 5px 24px #1634260b; gap: 4px; }
.gateway-node .brand-mark { width: 40px; height: 40px; font-size: 2.5rem; }
.gateway-node strong { font-size: 1.125rem; letter-spacing: -.04em; }
.gateway-label { margin-left: auto; font: .5625rem ui-monospace, monospace; color: var(--color-primary); border: 1px solid #c3ddd3; background: #f2f9f5; border-radius: 4px; padding: 4px 6px; }
.routing-lines { height: 64px; position: relative; margin-inline: 16.666%; }
.routing-lines::before { content: ''; width: 1px; height: 100%; position: absolute; left: 50%; background: #a6c3b7; }
.routing-lines > span { position: absolute; left: 0; right: 0; top: 30px; height: 34px; border: 1px solid #a6c3b7; border-bottom: 0; border-radius: 8px 8px 0 0; }
.provider-nodes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.provider-nodes > div { background: white; border: 1px solid #d1ded8; border-radius: 8px; padding: 15px 5px; text-align: center; }
.provider-symbol { display: block; font-size: 1.25rem; font-weight: 620; color: #416654; margin-bottom: 3px; }
.provider-nodes strong { font-size: .75rem; font-weight: 550; }
.visual-bottom { margin-top: 32px; font-size: .625rem; letter-spacing: 0; }
.section-intro { margin-bottom: 40px; }
.section-intro .eyebrow { margin-bottom: 14px; }
.section-intro > p:last-child { margin-top: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
.feature-icon { width: 40px; height: 40px; display: grid; place-items: center; background: #edf5f1; color: var(--color-primary); border: 1px solid #d7e6dd; border-radius: 8px; font-size: 1.5rem; margin-bottom: 23px; }
.feature-card h3 { font-size: 1rem; }
.feature-card p { font-size: .875rem; margin-top: 12px; }
.section-heading-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 38px; }
.section-heading-row > p { max-width: 320px; font-size: .9375rem; }
.model-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.model-card { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; }
.model-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.model-initial { font-size: 2rem; line-height: 1; font-weight: 550; letter-spacing: -.08em; }
.model-initial > span { font-size: .75rem; display: inline-block; vertical-align: top; margin-left: 4px; color: var(--color-primary); }
.status-label { display: inline-flex; align-items: center; border: 1px solid #d9e4de; border-radius: 5px; padding: 3px 9px; font-size: .75rem; background: #f7f9f8; color: #51665c; width: fit-content; }
.model-card h3 { font-size: 1.25rem; }
.model-card p { font-size: .875rem; margin-top: 12px; }
.model-card-bottom { border-top: 1px solid #e7ece9; padding-top: 18px; margin-top: 24px; color: var(--color-muted); font-size: .75rem; display: flex; justify-content: space-between; gap: 8px; }
.disclaimer { font-size: .75rem; margin-top: 26px; max-width: 930px; }
.developer { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.developer-copy > p:not(.eyebrow) { margin-top: 24px; }
.check-list { list-style: none; padding: 0; margin: 26px 0; font-size: .875rem; }
.check-list li { display: flex; align-items: center; gap: 10px; margin-block: 10px; }
.check-list li::before { content: '✓'; color: var(--color-primary); font-weight: 600; }
.development-note { font-size: .75rem; border-left: 2px solid #c5dacf; padding-left: 14px; }
.code-panel { min-width: 0; background: #142924; border-radius: var(--radius-md); overflow: hidden; border: 1px solid #243d33; box-shadow: 0 12px 28px #17342c0a; color: #d8e6de; }
.code-toolbar { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #344a3e; padding: 10px 20px; gap: 12px; font-size: .75rem; min-height: 64px; background: #1a3029; }
.code-toolbar > span { display: flex; align-items: center; gap: 10px; }
.code-dot { width: 6px; height: 6px; background: #8eb6a0; border-radius: 50%; }
.code-language { color: #abc0b5; margin-left: 7px; }
#copy-code { color: #d8e6de; background: #243d33; border: 1px solid #45604f; padding: 8px 12px; border-radius: 5px; display: flex; align-items: center; gap: 12px; min-height: 44px; font-size: .75rem; }
#copy-code:hover { background: #355043; }
.code-panel :focus-visible { outline-color: #abe6c7; outline-offset: -4px; }
pre { margin: 0; padding: 26px; overflow-x: auto; max-width: 100%; tab-size: 2; line-height: 1.9; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .8125rem; color: #d4e8dc; }
.code-footer { border-top: 1px solid #344a3e; padding: 14px 20px; display: flex; gap: 12px; justify-content: space-between; flex-wrap: wrap; color: #b6c8be; font: .625rem ui-monospace, monospace; }
.steps { padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; list-style: none; }
.step-number { display: block; font: .875rem ui-monospace, monospace; color: var(--color-primary); padding-bottom: 22px; border-bottom: 1px solid var(--color-border); margin-bottom: 24px; }
.steps h3 { font-size: 1rem; }
.steps p { font-size: .875rem; margin-top: 12px; }
.pricing { padding-top: 0; }
.pricing-panel { border: 1px solid #cadcd2; border-radius: var(--radius-md); background: #f2f7f4; padding: clamp(28px, 4.5vw, 60px); display: grid; grid-template-columns: 1.6fr 1fr; gap: 60px; }
.pricing-panel h2 { max-width: 420px; }
.pricing-panel p { margin-top: 20px; }
.pricing-action { border-left: 1px solid #ccdcd2; padding-left: 42px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.pricing-action p { margin-block: 14px 22px; font-size: .875rem; }
.small-text { display: block; font-size: .75rem; color: var(--color-muted); margin-top: 12px; }
.faq { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; padding-top: 0; }
.faq h2 { margin-bottom: 24px; }
.faq > div > p:not(.eyebrow) { font-size: .875rem; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: .875rem; color: var(--color-primary); gap: 10px; }
.faq-list { border-top: 1px solid var(--color-border); min-width: 0; }
details { border-bottom: 1px solid var(--color-border); }
summary { cursor: pointer; padding: 21px 32px 21px 0; min-height: 64px; list-style: none; font-size: .9375rem; font-weight: 550; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 2px; top: 17px; font-size: 1.25rem; font-weight: 400; color: var(--color-muted); }
details[open] summary::after { content: '−'; }
details p { font-size: .875rem; padding: 0 24px 24px 0; }
details a { text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.final-cta { padding: 72px 0; text-align: center; border-block: 1px solid var(--color-border); }
.final-cta .eyebrow { margin-bottom: 16px; }
.final-cta p:not(.eyebrow) { margin-top: 20px; font-size: .9375rem; }
.final-cta .button { margin-top: 28px; }
.site-footer { padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr 1.15fr; gap: 32px; padding-bottom: 54px; }
.footer-brand p { font-size: .875rem; margin-top: 18px; }
.footer-grid h2 { font-size: .875rem; font-weight: 650; letter-spacing: 0; line-height: 1.6; margin: 0 0 10px; min-height: 30px; }
.footer-grid > div:not(.footer-brand) > a, .footer-grid > div > span { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; min-height: 36px; color: var(--color-muted); font-size: .8125rem; overflow-wrap: anywhere; }
.footer-grid > div > a:hover { color: var(--color-primary); }
.footer-grid > div > p { font-size: .8125rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 24px; border-top: 1px solid var(--color-border); font-size: .75rem; color: var(--color-muted); }
.noscript-notice { padding: 18px 24px; background: #edf5f1; text-align: center; font-size: .875rem; }
@media (max-width: 1100px) {
  .hero { gap: 36px; }
  .gateway-visual { padding-inline: 20px; }
  .developer { gap: 40px; grid-template-columns: .85fr 1.15fr; }
  .feature-grid { gap: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-card { padding: 22px; }
  .pricing-panel { gap: 36px; }
  .pricing-action { padding-left: 28px; }
  .footer-grid { grid-template-columns: 1.2fr .7fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  #navigation { gap: 17px; }
  .hero { grid-template-columns: 1fr; padding-top: 56px; gap: 40px; }
  .hero-copy { max-width: 620px; }
  h1 { font-size: clamp(3rem, 7.5vw, 4.25rem); }
  .hero-description, .hero-support { max-width: 560px; }
  .gateway-visual { max-width: 560px; width: 100%; justify-self: center; padding-inline: 32px; }
  .developer { grid-template-columns: 1fr; }
  .developer-copy { max-width: 560px; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 20px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .faq { gap: 40px; grid-template-columns: 1fr; }
  .pricing-panel { grid-template-columns: 1.2fr 1fr; gap: 24px; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 40px); }
  .site-header { height: auto; min-height: 72px; }
  .nav-shell { min-height: 72px; flex-wrap: wrap; padding-block: 14px; gap: 10px; }
  .brand { font-size: 1.375rem; }
  #navigation { width: 100%; flex-wrap: wrap; gap: 10px 22px; }
  .nav-divider { display: none; }
  .js .menu-toggle { display: block; }
  .js .nav-shell { padding-block: 0; flex-wrap: nowrap; }
  .js #navigation { display: none; position: absolute; top: 72px; left: 0; right: 0; background: white; padding: 16px 20px 24px; border-bottom: 1px solid var(--color-border); max-height: calc(100dvh - 72px); overflow-y: auto; box-shadow: 0 14px 16px #1429240a; }
  .js #navigation.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
  #navigation > a:not(.button) { min-height: 48px; }
  .nav-cta { margin-top: 10px; min-height: 48px; }
  body.menu-open { overflow: hidden; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .model-grid { grid-template-columns: 1fr; }
  .model-card { padding: 26px; }
  .model-card-top { margin-bottom: 22px; }
  .pricing-panel { grid-template-columns: 1fr; gap: 28px; }
  .pricing-action { border-left: 0; border-top: 1px solid #ccdcd2; padding: 26px 0 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:not(.footer-brand) > a, .footer-grid > div > span { min-height: 44px; }
}
@media (max-width: 520px) {
  .hero { padding-block: 46px 56px; }
  h1 { font-size: clamp(2.45rem, 10.3vw, 3.4rem); }
  .hero-description { font-size: 1rem; margin-top: 22px; }
  .hero .eyebrow { font-size: .6875rem; letter-spacing: .1em; margin-bottom: 22px; }
  .hero .actions { gap: 10px; }
  .hero .actions .button { padding-inline: 16px; gap: 16px; flex: 1; white-space: nowrap; }
  .gateway-visual { padding: 18px 16px; }
  .visual-top { font-size: .5625rem; gap: 6px; margin-bottom: 22px; }
  .app-node { width: 88%; padding: 12px; }
  .gateway-node { padding: 16px 12px; }
  .gateway-label { font-size: .5rem; padding: 3px 4px; }
  .gateway-node div > span { font-size: .6875rem; }
  .provider-nodes { gap: 8px; }
  .visual-bottom { font-size: .5625rem; gap: 6px; }
  .feature-grid { grid-template-columns: 1fr; gap: 30px; }
  .feature-card { border-bottom: 1px solid var(--color-border); padding-bottom: 26px; }
  .feature-card:last-child { border-bottom: 0; padding-bottom: 0; }
  .feature-icon { margin-bottom: 18px; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .steps li { position: relative; padding-left: 52px; }
  .step-number { position: absolute; left: 0; top: 0; border-bottom: 0; padding: 0; }
  .steps p { margin-top: 10px; }
  pre { padding: 22px 18px; }
  .code-toolbar { padding-inline: 16px; }
  .code-footer { padding-inline: 16px; line-height: 1.6; }
  .pricing-panel { padding: 28px 22px; }
  .final-cta { padding-block: 60px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}