:root { --bg: #0a0a0f; --surface: #12141c; --surface-2: #171a24; --border: rgba(255, 255, 255, 0.08); --border-strong: rgba(255, 255, 255, 0.14); --accent: #3ee7d0; --accent-dim: rgba(62, 231, 208, 0.14); --accent-text: #7ff2e2; --text: #e8e8ec; --text-dim: #9a9aa5; --text-dimmer: #82838f; /* WCAG AA: 5.26:1 on --bg, checked — #6f707c was 4.03:1, failed */ --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace; --radius: 12px; --wrap: 1080px; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.55; -webkit-font-smoothing: antialiased; } .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; } .section { padding: 96px 0; } h1, h2, h3 { font-weight: 650; letter-spacing: -0.02em; line-height: 1.15; } h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin: 0 0 20px; } h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 0 0 12px; } h3 { font-size: 1.15rem; margin: 0 0 8px; } p { margin: 0 0 16px; color: var(--text); } a { color: var(--accent-text); text-decoration: none; } a:hover, a:focus-visible { text-decoration: underline; } code { font-family: var(--mono); font-size: 0.9em; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; } /* ---------- reveal-on-scroll ---------- Progressive enhancement: content is fully visible by default (no-JS case). main.js adds `.js` to once it runs; only then do sections start hidden and get revealed by the IntersectionObserver. */ .reveal { transition: opacity 0.6s ease, transform 0.6s ease; } .js .reveal { opacity: 0; transform: translateY(10px); } .js .reveal.is-visible { opacity: 1; transform: translateY(0); } /* ---------- hero ---------- */ .hero { padding: 120px 0 100px; background: radial-gradient(60% 50% at 50% 0%, rgba(62, 231, 208, 0.10), transparent 70%), var(--bg); text-align: center; } .badges { display: flex; justify-content: center; gap: 8px; margin-bottom: 28px; } .badges img { display: block; height: 20px; } .hero .lede { max-width: 640px; margin: 0 auto 32px; color: var(--text-dim); font-size: 1.1rem; } .hero-cta { max-width: 560px; margin: 0 auto 28px; text-align: left; } .cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; } .btn { display: inline-block; padding: 10px 20px; border-radius: 8px; border: 1px solid var(--border-strong); color: var(--text); font-size: 0.95rem; transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease; } .btn:hover, .btn:focus-visible { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); } .btn-primary { background: var(--accent-dim); border-color: var(--accent); color: var(--accent-text); } /* ---------- section shared ---------- */ .section-lede { color: var(--text-dim); max-width: 640px; margin-bottom: 36px; } /* ---------- problem contrast ---------- */ .contrast { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-top: 8px; } .contrast-col { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; } .contrast-col--accent { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-dim), var(--surface) 60%); } .contrast-col ul { margin: 0; padding-left: 20px; color: var(--text-dim); } .contrast-col li { margin-bottom: 8px; } .contrast-col--accent li { color: var(--text); } /* ---------- architecture diagram ---------- */ .diagram-wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: center; } #arch-svg { width: 100%; height: auto; display: block; } .box { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1.5; } .box--accent { stroke: var(--accent); fill: var(--surface-2); } .box--sandbox { fill: var(--accent-dim); stroke: var(--accent); stroke-dasharray: 4 3; } .box-title { fill: var(--text); font-family: var(--sans); font-size: 17px; font-weight: 650; } .box-title--sm { font-size: 14px; } .box-sub { fill: var(--text-dim); font-family: var(--sans); font-size: 11.5px; } .box-sub--sm { font-size: 10.5px; } .arrow { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; } .arrow--dashed { stroke: var(--text-dimmer); stroke-dasharray: 5 4; } .arrowhead-fill { fill: var(--accent); } .step-badge { fill: var(--bg); stroke: var(--accent); stroke-width: 1.5; } .step-badge--dashed { stroke: var(--text-dimmer); } .step-num { fill: var(--accent-text); font-family: var(--mono); font-size: 11px; font-weight: 700; } .step-caption { fill: var(--text-dim); font-family: var(--mono); font-size: 10.5px; } .step { transition: opacity 0.5s ease; } .js .step { opacity: 0; } .js .step.is-visible { opacity: 1; } .step .arrow { transition: stroke-dashoffset 0.7s ease; } .js .step .arrow { stroke-dasharray: 380; stroke-dashoffset: 380; } .js .step.is-visible .arrow { stroke-dashoffset: 0; } #sandbox-node { transition: opacity 0.5s ease; } .js #sandbox-node { opacity: 0; } .js #sandbox-node.is-visible { opacity: 1; } .diagram-steps-text { margin: 0; padding-left: 20px; color: var(--text-dim); } .diagram-steps-text li { margin-bottom: 14px; font-size: 0.95rem; } .diagram-steps-text code { color: var(--accent-text); } /* ---------- cards ---------- */ .cards { display: grid; gap: 20px; } .cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .card { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: transform 0.15s ease, border-color 0.15s ease; } .card:hover { transform: translateY(-3px); border-color: var(--border-strong); } .card--accent { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-dim), var(--surface) 55%); } .card p { color: var(--text-dim); font-size: 0.94rem; } .card .code-block { margin-top: 14px; margin-bottom: 0; } .tag { display: inline-block; font-size: 0.7rem; font-weight: 500; color: var(--accent-text); background: var(--accent-dim); border: 1px solid var(--accent); border-radius: 999px; padding: 2px 10px; margin-left: 8px; vertical-align: middle; font-family: var(--mono); } .ring-num { font-family: var(--mono); color: var(--accent-text); font-size: 0.85rem; opacity: 0.7; margin-bottom: 8px; } /* ---------- benchmark stat cards ---------- */ .stat-cards { margin-bottom: 20px; } .stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 20px; text-align: center; } .stat-value { font-family: var(--mono); font-size: 2.1rem; font-weight: 650; color: var(--accent-text); } .stat-label { margin-top: 6px; font-size: 0.85rem; color: var(--text); } .stat-sub { margin-top: 4px; font-size: 0.76rem; color: var(--text-dimmer); } .disclaimer { font-size: 0.85rem; color: var(--text-dimmer); max-width: 640px; } /* ---------- code blocks ---------- */ .code-block { min-width: 0; background: #0d0e13; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 20px; } .code-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: 0.75rem; color: var(--text-dimmer); } .copy-btn { font-family: var(--sans); font-size: 0.72rem; color: var(--text-dim); background: transparent; border: 1px solid var(--border-strong); border-radius: 6px; padding: 3px 10px; cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease; } .copy-btn:hover, .copy-btn:focus-visible { color: var(--accent-text); border-color: var(--accent); } .copy-btn.copied { color: var(--accent-text); border-color: var(--accent); } .code-block pre { margin: 0; padding: 14px 16px; } .code-block code { color: var(--text); font-size: 0.85rem; /* wrap instead of requiring horizontal scroll — long unbroken tokens (e.g. the gateway URL in the curl examples) can still break mid-string */ white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; } .tok-kw { color: var(--accent-text); } .tok-str { color: #e3c07a; } .qs-sub { margin-top: 32px; color: var(--text-dim); font-size: 1rem; font-weight: 600; } .qs-sub:first-of-type { margin-top: 0; } /* ---------- footer ---------- */ .footer { border-top: 1px solid var(--border); padding: 32px 0 48px; } .footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; } .footer-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 0.9rem; } .footer-links a { color: var(--text-dim); } .footer-links a:hover { color: var(--accent-text); } .footer img { height: 20px; display: block; } /* ---------- language switcher ---------- Injected entirely by js/i18n.js — never present in the no-JS baseline, so there is no dead/non-functional control when the script fails to load. */ .lang-switch { position: fixed; top: 14px; right: 14px; z-index: 20; display: flex; gap: 2px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px; } .lang-switch button { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.02em; color: var(--text-dim); background: transparent; border: none; border-radius: 999px; padding: 4px 9px; cursor: pointer; transition: color 0.15s ease, background 0.15s ease; } .lang-switch button:hover { color: var(--text); } .lang-switch button.is-active { color: var(--bg); background: var(--accent); } /* ---------- responsive ---------- */ @media (max-width: 900px) { .cards-3 { grid-template-columns: 1fr 1fr; } .cards-4 { grid-template-columns: 1fr 1fr; } .diagram-wrap { grid-template-columns: 1fr; } .contrast { grid-template-columns: 1fr; } } @media (max-width: 560px) { .section { padding: 64px 0; } .hero { padding: 88px 0 64px; } .cards-3, .cards-4 { grid-template-columns: 1fr; } .cta-row { flex-direction: column; align-items: stretch; } .btn { text-align: center; } } /* ---------- reduced motion ---------- Snap everything to its final, fully-visible state instantly. */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal, .step, #sandbox-node, .step .arrow, .btn, .card, .copy-btn { transition: none !important; } .js .reveal { opacity: 1; transform: none; } .js .step { opacity: 1; } .js .step .arrow { stroke-dashoffset: 0; } .js #sandbox-node { opacity: 1; } }