/* SPDX-License-Identifier: BUSL-1.1
 * Copyright © 2026 Zyvor AI Labs Private Limited */
:root {
  color-scheme: light dark;
  --accent: var(--accent-color); --green: var(--status-succeeded); --amber: var(--status-queued); --red: var(--status-failed); --purple: #a550e0;
  --bg-2: color-mix(in srgb, var(--text) 4%, var(--bg)); --shadow: var(--shadow-2);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
  --rounded: ui-rounded, "SF Pro Rounded", -apple-system, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.5 var(--sans); -webkit-font-smoothing: antialiased; font-optical-sizing: auto; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
img, svg { max-width: 100%; display: block; }
code, pre, kbd { font-family: var(--mono); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; border-radius: 10px; z-index: 100; }
.wrap { width: min(1120px, 100% - 40px); margin: 0 auto; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 8px; }

/* nav */
nav.top { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(20px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
nav.top .wrap { display: flex; align-items: center; gap: 22px; height: 52px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; color: var(--text); font-size: 17px; }
.brand img { width: 26px; height: 26px; border-radius: 7px; }
nav.top a.link { color: var(--muted); font-size: 14px; } nav.top a.link:hover, nav.top a[aria-current="true"] { color: var(--text); text-decoration: none; }
nav.top .sp { flex: 1; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 16px; border: 1px solid transparent; cursor: pointer; }
.btn.primary { background: var(--accent-strong); color: var(--on-accent); } .btn.primary:hover { background: color-mix(in srgb, var(--accent-strong) 88%, #000); text-decoration: none; }
.btn.ghost { color: var(--accent); background: transparent; border-color: color-mix(in srgb, var(--accent) 40%, transparent); } .btn.ghost:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); text-decoration: none; }
.btn.small { min-height: 32px; padding: 0 14px; font-size: 14px; }
#theme { width: 36px; height: 36px; border-radius: 50%; border: 0; background: transparent; color: var(--muted); cursor: pointer; display: grid; place-items: center; }
#theme:hover { background: var(--bg-2); color: var(--text); }

/* hero */
.hero { padding: 84px 0 48px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: none; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font: 700 clamp(46px, 9vw, 104px)/1.0 var(--sans); letter-spacing: -.045em; margin: 14px auto 20px; max-width: 12ch; text-wrap: balance; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(18px, 2.2vw, 23px); color: var(--muted); max-width: 46ch; margin: 0 auto 28px; line-height: 1.4; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.facts { display: flex; gap: 8px 22px; justify-content: center; flex-wrap: wrap; margin-top: 22px; color: var(--muted); font-size: 14px; }
.window { margin: 46px auto 0; max-width: 1040px; border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; }
.window .bar { height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 14px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.window .bar i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; } .window .bar i:nth-child(2) { background: #febc2e; } .window .bar i:nth-child(3) { background: #28c840; }
.window .bar span { margin-left: 12px; color: var(--muted); font-size: 13px; }
.window img { width: 100%; }

section { padding: 84px 0; }
section.alt { background: var(--bg-2); }
h2 { font: 700 clamp(30px, 4.4vw, 48px)/1.08 var(--sans); letter-spacing: -.028em; margin: 10px 0 14px; max-width: 20ch; }
.sub { color: var(--muted); font-size: 20px; max-width: 58ch; line-height: 1.4; margin: 0 0 40px; }
.grid { display: grid; gap: 18px; } .g3 { grid-template-columns: repeat(3, 1fr); } .g2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.card h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); margin-bottom: 16px; }
.card .ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* diagrams */
figure.diagram { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 18px; box-shadow: var(--shadow); }
figure.diagram svg { width: 100%; height: auto; }
figure.diagram figcaption { color: var(--muted); font-size: 14px; padding: 10px 8px 2px; }
.d-text { fill: var(--text); font: 600 14px var(--sans); } .d-muted { fill: var(--muted); font: 500 12px var(--sans); } .d-small { fill: var(--muted); font: 500 11px var(--sans); }
.d-box { fill: var(--bg-2); stroke: var(--line); } .d-card { fill: var(--surface); stroke: var(--line); }
.d-accent { fill: var(--accent); } .d-line { stroke: var(--muted); stroke-width: 1.6; fill: none; }
.d-core { fill: color-mix(in srgb, var(--line) 80%, transparent); } .d-core.on { fill: var(--accent); }
.chip { rx: 9; }
.flow-chip { animation: hop 9s ease-in-out infinite; } .flow-chip.b { animation-delay: -3s; } .flow-chip.c { animation-delay: -6s; }
@keyframes hop { 0%, 12% { transform: translate(0, 0); opacity: 1; } 40% { transform: translate(250px, 0); } 60%, 88% { transform: translate(460px, var(--dy, 0px)); opacity: 1; } 100% { transform: translate(460px, var(--dy, 0px)); opacity: 0; } }
.pulse { animation: pulse 2.4s ease-in-out infinite; } @keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .flow-chip, .pulse { animation: none; } .flow-chip { transform: translate(460px, var(--dy, 0px)); } }

/* core grid */
.cores-demo { display: grid; grid-template-columns: repeat(20, 1fr); gap: 4px; max-width: 520px; }
.cores-demo i { aspect-ratio: 1; border-radius: 4px; background: color-mix(in srgb, var(--line) 80%, transparent); transition: background .5s; }
.cores-demo i.on { background: var(--accent); }

/* tables, code, steps */
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
td.n { font-family: var(--rounded); font-variant-numeric: tabular-nums; font-weight: 650; }
.tablewrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; }
pre { background: #0b0b0d; color: #f5f5f7; border-radius: 16px; padding: 18px 20px; overflow-x: auto; font-size: 14px; line-height: 1.55; position: relative; }
pre .c { color: #8e8e93; } pre .k { color: var(--accent-2); }
.copy { position: absolute; top: 10px; right: 10px; border: 1px solid #ffffff33; background: #ffffff14; color: #fff; border-radius: 8px; font-size: 12px; padding: 4px 9px; cursor: pointer; }
.tiers { counter-reset: t; display: grid; gap: 18px; }
.tier { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; }
.tier::before { counter-increment: t; content: counter(t); width: 44px; height: 44px; border-radius: 50%; background: var(--accent-strong); color: var(--on-accent); display: grid; place-items: center; font: 700 18px var(--rounded); }
.note { color: var(--muted); font-size: 14px; }
.callout { border-left: 4px solid var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); padding: 14px 18px; border-radius: 0 14px 14px 0; font-size: 15px; }
.shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.shots figure { margin: 0; } .shots img { border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow); } .shots figcaption { color: var(--muted); font-size: 14px; padding-top: 8px; }
.tabs { display: inline-flex; gap: 4px; background: var(--bg-2); padding: 4px; border-radius: 999px; margin-bottom: 18px; }
.tabs button { border: 0; background: transparent; color: var(--muted); padding: 7px 16px; border-radius: 999px; font: 600 14px var(--sans); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px #0002; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; } summary { cursor: pointer; font-weight: 600; font-size: 18px; } details p { color: var(--muted); margin: 10px 0 0; }
footer { padding: 40px 0 60px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
footer .cols { display: flex; gap: 28px; flex-wrap: wrap; justify-content: space-between; }
.js .reveal:not(.in) { opacity: 0; transform: translateY(14px); } .reveal { transition: opacity .6s, transform .6s; }
@media (prefers-reduced-motion: reduce) { .js .reveal:not(.in) { opacity: 1; transform: none; } .reveal { transition: none; } html { scroll-behavior: auto; } }
@media (max-width: 860px) { .g3, .g2, .shots { grid-template-columns: 1fr; } nav.top a.link.hide-sm { display: none; } section { padding: 56px 0; } .tier { grid-template-columns: 1fr; } .tier::before { margin-bottom: 4px; } }

/* grid/flex children may shrink below their content so code blocks scroll inside themselves */
.tier > *, .grid > *, .wrap > * { min-width: 0; }
.tiers, .tier { max-width: 100%; }
pre { max-width: 100%; white-space: pre; }
@media (max-width: 860px) { .tier { grid-template-columns: minmax(0, 1fr); } }

/* ---- cinematic hero: moving gradient mesh + a wave of GPU cores ---- */
.hero { padding: 96px 0 40px; }
.mesh { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.mesh i { position: absolute; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; border-radius: 50%; filter: blur(80px); opacity: .5; animation: drift 22s ease-in-out infinite alternate; }
.mesh i:nth-child(1) { background: var(--accent); left: -10%; top: -30%; }
.mesh i:nth-child(2) { background: #5ac8fa; right: -12%; top: -20%; animation-delay: -7s; opacity: .38; }
.mesh i:nth-child(3) { background: var(--purple); left: 30%; top: 10%; animation-delay: -13s; opacity: .22; }
@keyframes drift { to { transform: translate(8%, 10%) scale(1.15); } }
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: repeat(40, 1fr); gap: 5px; max-width: 980px; margin: 54px auto 0; }
.hero-grid i { aspect-ratio: 1; border-radius: 4px; background: color-mix(in srgb, var(--text) 9%, transparent); animation: wave 4.8s ease-in-out infinite; animation-delay: calc(var(--x) * 70ms + var(--y) * 110ms); }
@keyframes wave { 0%, 100% { background: color-mix(in srgb, var(--text) 9%, transparent); box-shadow: none; } 45% { background: linear-gradient(180deg, var(--accent-2, #5cb8ff), var(--accent)); box-shadow: 0 0 12px var(--glow, rgba(0,136,255,.4)); } }
@media (prefers-reduced-motion: reduce) { .mesh i, .hero-grid i { animation: none; } .hero-grid i:nth-child(3n) { background: var(--accent); } }

/* ---- scroll story: sticky stage swaps the screenshot per step ---- */
.story { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; margin-top: 36px; }
.story-steps .step { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; opacity: .38; transition: opacity .5s; }
.story-steps .step.active { opacity: 1; }
.story-steps h3 { font: 700 clamp(26px, 3.4vw, 38px)/1.1 var(--sans); letter-spacing: -.03em; margin: 0 0 12px; }
.story-steps p { color: var(--muted); font-size: 19px; line-height: 1.4; max-width: 34ch; }
.story-stage { position: sticky; top: 90px; }
.stage-imgs { position: relative; aspect-ratio: 1440 / 900; background: var(--bg-2); }
.stage-imgs .shot { position: absolute; inset: 0; opacity: 0; transform: scale(1.015); transition: opacity .6s, transform .8s; }
.stage-imgs .shot.on { opacity: 1; transform: none; }
.shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.shot .dark { display: none; }
:root[data-theme="dark"] .shot .light { display: none; } :root[data-theme="dark"] .shot .dark { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .shot .light { display: none; } :root:not([data-theme="light"]) .shot .dark { display: block; } }
html:not(.js) .story { display: block; } html:not(.js) .story-stage { display: none; }
html:not(.js) .story-steps .step { opacity: 1; min-height: 0; padding: 18px 0; }
.step-img { display: none; margin: 18px 0 0; }
.story-steps .step { border-radius: 16px; }
.story-steps .step:focus-visible { outline-offset: 6px; }
.demo-label { margin: 10px 0 0; text-align: center; }
/* below 760px the walkthrough stacks: each step carries its own image */
@media (max-width: 760px) {
  .story { grid-template-columns: 1fr; gap: 0; }
  .story-stage { display: none; }
  .story-steps .step { min-height: 0; opacity: 1; padding: 22px 0; }
  .story-steps p { max-width: none; }
  .step-img { display: block; }
}
html:not(.js) .step-img { display: block; }
@media (prefers-reduced-motion: reduce) { .story-steps .step { opacity: 1; } .story-steps .step, .stage-imgs .shot { transition: none; } .stage-imgs .shot { transform: none; } }

/* ---- spec strip ---- */
.g4 { grid-template-columns: repeat(4, 1fr); }
.spec { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 24px; }
.spec .big { display: block; font: 700 clamp(30px, 3.6vw, 42px)/1.05 var(--rounded); letter-spacing: -.03em; color: var(--accent-text); margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.spec h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.01em; }
.spec p { margin: 0; color: var(--muted); font-size: 15px; }
.specs { margin-bottom: 18px; }
.step-img img { height: auto; }
.step-img .dark { display: none; }
:root[data-theme="dark"] .step-img .light { display: none; } :root[data-theme="dark"] .step-img .dark { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .step-img .light { display: none; } :root:not([data-theme="light"]) .step-img .dark { display: block; } }
.specs { margin-top: 32px; }
@media (max-width: 1000px) { .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .g4 { grid-template-columns: 1fr; } }