:root {
  --mist: #eef3f4;
  --ink: #0e2b3a;
  --ink-soft: #3d5a69;
  --river: #2f7f9e;
  --sindoor: #e4572e;
  --sand: #d9cdb5;
  --paper: #ffffff;
  --sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --deva: "Kohinoor Devanagari", "Noto Serif Devanagari", "Nirmala UI", "Devanagari Sangam MN", serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}
a { color: var(--river); text-underline-offset: 0.2em; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--sindoor); outline-offset: 3px; border-radius: 2px; }
.wrap { width: min(70rem, 100% - 2.5rem); margin-inline: auto; }

.top { display: flex; align-items: center; justify-content: space-between; padding-block: 1.5rem; }
.brand { display: flex; align-items: baseline; gap: 0.6rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.25rem; }
.brand span { font-family: var(--deva); font-weight: 400; color: var(--sindoor); font-size: 1.15rem; }
.top nav { display: flex; gap: 1.5rem; font-size: 0.975rem; }
.top nav a { color: var(--ink-soft); text-decoration: none; }
.top nav a:hover { color: var(--ink); text-decoration: underline; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 3rem; align-items: center; padding-block: 3rem 4.5rem; }
.hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); line-height: 1.06; letter-spacing: -0.025em; margin: 0 0 1.25rem; font-weight: 750; max-width: 14ch; }
.deva { font-family: var(--deva); font-size: clamp(3.5rem, 8vw, 6rem); line-height: 1; color: var(--sindoor); margin: 0 0 0.5rem; font-weight: 400; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 34rem; margin: 0 0 2rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.btn { display: inline-block; padding: 0.8rem 1.4rem; border-radius: 0.5rem; font-weight: 650; text-decoration: none; border: 2px solid var(--ink); }
.btn.primary { background: var(--ink); color: var(--mist); }
.btn.primary:hover { background: var(--river); border-color: var(--river); color: #fff; }
.btn.ghost { color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--mist); }
.note { margin: 1.25rem 0 0; font-size: 0.95rem; color: var(--ink-soft); }

.bridge { width: 100%; height: auto; display: block; }
.bridge .water { fill: none; stroke: var(--river); stroke-width: 2; opacity: 0.55; }
.bridge .bank { fill: var(--ink); }
.bridge .arch, .bridge .deck, .bridge .hanger { fill: none; stroke: var(--sindoor); stroke-linecap: round; }
.bridge .arch { stroke-width: 5; }
.bridge .deck { stroke-width: 6; }
.bridge .hanger { stroke-width: 2; }
.bridge text { font: 600 15px var(--sans); fill: var(--mist); }
.bridge .cap { font: 600 13px var(--sans); fill: var(--ink-soft); }
.bridge .packet { fill: var(--ink); offset-path: path("M 150 214 L 490 214"); offset-rotate: 0deg; animation: cross 2.6s cubic-bezier(.4,0,.2,1) 0.5s 1 both; }
.bridge .packet:nth-of-type(2) { animation-delay: 1.0s; fill: var(--river); }
.bridge .packet:nth-of-type(3) { animation-delay: 1.5s; }
@keyframes cross { from { offset-distance: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } to { offset-distance: 100%; opacity: 0; } }

.band { border-top: 1px solid var(--sand); padding-block: 4rem; }
.band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 1.5rem; max-width: 22ch; }
.cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.cols h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.cols p { margin: 0; color: var(--ink-soft); max-width: 24rem; }

pre { margin: 0; padding: 1.5rem 1.75rem; background: var(--ink); color: #dcecf2; border-radius: 0.75rem; overflow-x: auto; font: 0.95rem/1.7 var(--mono); }
pre .c { color: #8fb3c2; }
pre .k { color: #f6a58c; }
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 3rem; align-items: start; }
.split p { color: var(--ink-soft); max-width: 28rem; margin: 0 0 1rem; }

.apps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.apps li { padding: 0.45rem 0.95rem; border: 1.5px solid var(--sand); border-radius: 999px; background: var(--paper); font-weight: 600; }

footer { border-top: 1px solid var(--sand); padding-block: 2.5rem 3.5rem; color: var(--ink-soft); font-size: 0.95rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }

.doc { padding-block: 2rem 4rem; max-width: 44rem; }
.doc h1 { font-size: 2.4rem; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 0.5rem; }
.doc h2 { font-size: 1.3rem; margin: 2.25rem 0 0.5rem; }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--ink-soft); margin: 0 0 2rem; }

@media (max-width: 52rem) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-block: 1.5rem 3rem; }
  .cols, .split { grid-template-columns: 1fr; gap: 1.75rem; }
  .top nav { gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .bridge .packet { animation: none; offset-distance: 100%; opacity: 0; }
}