:root {
  color-scheme: dark;
  --bg: #000;
  --surface: #18181d;
  --surface-2: #222228;
  --surface-3: #2b2b33;
  --line: #2c2c35;
  --ink: #fafafa;
  --muted: #a1a1aa;
  --dim: #6b6b76;
  --blue: #3d7bff;
  --blue-hi: #5b8fff;
  --blue-soft: #a9c3ff;
  --blue-wash: rgba(61, 123, 255, 0.14);
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --chart-a: #3d7bff;
  --chart-b: #fbbf24;
  --chart-c: #3a3a45;
  --r-lg: 28px;
  --r: 18px;
  --font: "Geist", ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-decoration-color: var(--dim); text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--blue); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(34px, 5.4vw, 60px); margin: 10px 0 16px; }
h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 64px 0 14px; }
h3 { font-size: 21px; margin: 30px 0 8px; }
p, li { max-width: 760px; color: #d4d4d8; }
.lede { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 760px; margin-top: 0; }
b, strong { color: var(--ink); }
.ico { flex: none; }

/* { EYEBROW } */
.eyebrow { font: 500 15px var(--display); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); margin: 0 0 14px; }
.eyebrow::before { content: "{ "; color: var(--blue); }
.eyebrow::after { content: " }"; color: var(--blue); }

/* header: floating pill */
.top { position: sticky; top: 0; z-index: 20; padding: 10px 0; background: linear-gradient(#000 60%, transparent); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--line); background: rgba(14, 14, 18, .88); backdrop-filter: blur(12px); border-radius: 16px; padding: 8px 8px 8px 16px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font: 600 18px var(--display); letter-spacing: -.02em; color: var(--ink); }
.brand .robot { width: 26px; height: 30px; }
.brand b { color: var(--blue); font-weight: 600; }
.top nav { display: flex; gap: 2px; }
.top nav a { font: 500 13px var(--display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: #d4d4d8; padding: 8px 12px; border-radius: 10px; }
.top nav a:hover, .top nav a[aria-current] { background: var(--surface-2); color: var(--ink); }
.top .cta { font: 600 13px var(--display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; background: #fff; color: #000; padding: 11px 16px; border-radius: 11px; white-space: nowrap; }
.top .cta:hover { background: var(--blue-soft); }
@media (max-width: 860px) {
  .bar { flex-wrap: wrap; }
  .top nav { order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; }
  .top nav a { white-space: nowrap; }
}

.crumbs { font: 500 13px var(--display); letter-spacing: .04em; text-transform: uppercase; color: var(--dim); margin-top: 34px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.page-head { padding: 10px 0 8px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15px var(--display); letter-spacing: .02em; background: var(--blue); color: #fff; border: 0; border-radius: 14px; padding: 13px 20px; cursor: pointer; text-decoration: none; transition: background .15s; }
.btn:hover { background: var(--blue-hi); }
.btn.ghost { background: var(--surface-2); color: var(--ink); }
.btn.ghost:hover { background: var(--surface-3); }
.btn.sm { font-size: 13px; padding: 9px 13px; border-radius: 10px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* calculator */
.calc { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 16px; margin: 30px 0; }
@media (max-width: 860px) { .calc { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--surface); border-radius: var(--r-lg); padding: 24px; }
.calc form { display: grid; gap: 16px; align-content: start; }
label { display: grid; gap: 7px; font: 500 12px var(--display); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.field { position: relative; display: flex; align-items: center; }
.field span { position: absolute; left: 14px; color: var(--dim); font: 500 16px var(--display); pointer-events: none; }
.field span.suf { left: auto; right: 14px; }
input, select, textarea { width: 100%; font: 500 17px var(--display); color: var(--ink); background: var(--surface-2); border: 1px solid transparent; border-radius: 12px; padding: 12px 14px; text-transform: none; letter-spacing: 0; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23a1a1aa' stroke-width='1.8'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field.pre input { padding-left: 30px; }
.field.suf input { padding-right: 36px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-wash); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: end; }

.results { display: grid; gap: 14px; align-content: start; min-width: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--surface); border-radius: var(--r); padding: 18px 20px; }
.stat small { display: block; font: 500 11px var(--display); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.stat strong { display: block; font: 600 clamp(22px, 2.6vw, 30px)/1.2 var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; margin-top: 6px; }
.stat.key { background: var(--blue); }
.stat.key small { color: #fff; opacity: .8; }
.summary { margin: 2px 4px; color: var(--muted); }

.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--dim); font: 11px var(--display); }
.chart .grid { stroke: var(--line); }
.legend { display: flex; gap: 16px; font: 12px var(--display); color: var(--muted); flex-wrap: wrap; margin-top: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.table-wrap { overflow-x: auto; border-radius: var(--r); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font: 14px var(--display); font-variant-numeric: tabular-nums; }
th, td { padding: 11px 16px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; color: #d4d4d8; }
th:first-child, td:first-child { text-align: left; }
thead th { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface-2); }
details.table-toggle > summary { cursor: pointer; font: 600 14px var(--display); color: var(--blue-soft); margin-bottom: 12px; list-style: none; }
details.table-toggle > summary::before { content: "+ "; color: var(--blue); }
details.table-toggle[open] > summary::before { content: "− "; }

/* prose bits */
.callout { background: var(--blue-wash); border: 1px solid rgba(61,123,255,.35); border-radius: var(--r); padding: 18px 20px; margin: 26px 0; max-width: 760px; }
.callout p { margin: 0; }
.formula { font: 15px var(--display); background: var(--surface); border-radius: 14px; padding: 16px 18px; overflow-x: auto; max-width: 760px; color: var(--blue-soft); }
.prompt-out { white-space: pre-wrap; font: 13.5px/1.65 var(--display); color: #d4d4d8; background: #0b0b0e; border-radius: 14px; padding: 18px; max-height: 520px; overflow: auto; margin: 0; }
.checks { display: grid; gap: 8px; }
.checks label { display: flex; gap: 10px; align-items: center; font: 400 15px var(--font); letter-spacing: 0; text-transform: none; color: #d4d4d8; }
.checks input { width: 18px; height: 18px; accent-color: var(--blue); }
.fine { font-size: 13px; color: var(--dim); }
.ad { margin: 34px 0; min-height: 100px; }

/* partners */
.partners { margin: 56px 0; }
.partner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.partner { display: grid; gap: 6px; align-content: start; background: var(--surface); border-radius: var(--r-lg); padding: 22px; text-decoration: none; color: var(--ink); transition: background .15s; }
.partner:hover { background: var(--surface-2); }
.partner strong { font: 600 19px var(--display); letter-spacing: -.02em; }
.partner span { color: var(--muted); font-size: 15px; }
.partner em { font: 600 13px var(--display); font-style: normal; color: var(--blue-soft); margin-top: 6px; }

/* FAQ, Kiro style */
.faq { margin-top: 70px; }
.faq h2 { text-align: center; }
.faq details { border-bottom: 1px solid var(--line); max-width: none; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px 4px; font: 600 clamp(17px, 2vw, 21px)/1.35 var(--display); letter-spacing: -.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 300 30px/1 var(--font); color: var(--ink); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: -6px 4px 26px; color: var(--muted); max-width: 900px; }

.related { margin-top: 50px; }
.related ul, .chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.related a, .chips a { display: inline-block; padding: 9px 14px; border-radius: 12px; text-decoration: none; background: var(--surface); font: 500 14px var(--display); color: #d4d4d8; }
.related a:hover, .chips a:hover { background: var(--surface-2); color: var(--ink); }

/* ---------- home ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; align-items: center; padding: 56px 0 30px; }
@media (max-width: 900px) { .hero { grid-template-columns: minmax(0, 1fr); padding-top: 30px; } }
.hero h1 { font-size: clamp(36px, 4.4vw, 58px); }
.hero .btn-row { margin-top: 26px; }

/* floating UI-card illustration */
.scene { position: relative; height: 430px; }
.scene .orbit { position: absolute; inset: 30px 10px 20px; width: calc(100% - 20px); height: calc(100% - 50px); }
.mock { position: absolute; background: var(--surface-2); border: 1px solid #34343d; border-radius: 16px; padding: 12px 14px; display: flex; gap: 12px; align-items: center; box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.dot { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: #fff; flex: none; }
.dot.soft { background: var(--blue-soft); color: #0b1a3d; }
.dot.deep { background: #1d3a85; color: var(--blue-soft); }
.lines { display: grid; gap: 7px; }
.lines i { display: block; height: 6px; border-radius: 4px; background: #4a4a55; }
.mock.main { left: 26%; top: 30%; width: 48%; display: block; padding: 18px; z-index: 2; }
.mock.main .head { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.mock.main .dot { width: 52px; height: 52px; }
.mock.main .num { font: 600 26px var(--display); letter-spacing: -.02em; }
.mock.main .sub { font: 500 11px var(--display); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.pills { display: flex; gap: 6px; flex-wrap: wrap; background: var(--surface); border-radius: 10px; padding: 10px; }
.pill { display: inline-flex; align-items: center; gap: 5px; background: #2f2f38; border-radius: 6px; padding: 4px 7px; }
.pill::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.pill::after { content: ""; width: 22px; height: 4px; border-radius: 3px; background: currentColor; }
.pill.b { color: var(--blue-soft); } .pill.g { color: var(--green); } .pill.a { color: var(--amber); }
.spark-bars { display: flex; align-items: flex-end; gap: 5px; height: 54px; margin-top: 12px; }
.spark-bars i { flex: 1; background: var(--blue); border-radius: 3px 3px 0 0; opacity: .9; }
.m1 { left: 4%; top: 12%; transform: rotate(-4deg); }
.m2 { left: 46%; top: 0; transform: rotate(3deg); }
.m3 { right: 0; top: 24%; transform: rotate(-3deg); }
.m4 { left: 22%; bottom: 4%; transform: rotate(5deg); }
.m5 { right: 6%; bottom: 10%; transform: rotate(-4deg); }
.mock .lines { width: 90px; }
.scene .robot { position: absolute; left: -4%; bottom: -8%; width: 160px; z-index: 3; filter: drop-shadow(0 10px 30px rgba(0,0,0,.6)); animation: bob 4s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px) rotate(-2deg); } }
@media (prefers-reduced-motion: reduce) { .scene .robot { animation: none; } }
.ai-scene .robot { left: 4%; top: 36%; bottom: auto; width: 140px; }
@media (max-width: 560px) { .scene { height: 360px; } .mock.main { left: 14%; width: 72%; } .m2, .m5 { display: none; } .scene .robot { width: 96px; } }

/* section header split (text left, art right) */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; margin-top: 110px; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); margin-top: 80px; } }
.split h2 { margin-top: 0; }

/* big feature panel */
.panel { background: var(--surface); border-radius: var(--r-lg); padding: clamp(24px, 4vw, 44px); display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; margin-top: 34px; }
.panel .feat .ico { color: var(--blue-soft); }
.panel .feat h3 { margin: 16px 0 8px; font-size: 21px; }
.panel .feat p { color: var(--muted); margin: 0; }

/* surface cards (4-up with mini mockups) */
.center { text-align: center; }
.center .lede { margin: 0 auto; }
.surfaces { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; margin-top: 40px; }
.surf { background: var(--surface); border-radius: var(--r-lg); padding: 16px 16px 22px; display: flex; flex-direction: column; }
.surf .screen { background: var(--surface-3); border-radius: 22px; padding: 18px 18px 0; height: 210px; overflow: hidden; }
.win { background: #0e0e12; border-radius: 12px 12px 0 0; height: 100%; padding: 12px 14px; font: 12px/1.7 var(--display); color: #d4d4d8; overflow: hidden; }
.win .tl { display: flex; gap: 6px; margin-bottom: 12px; }
.win .tl i { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; }
.win .tl i:nth-child(2) { background: #f59e0b; } .win .tl i:nth-child(3) { background: #22c55e; }
.win .k { color: var(--blue-soft); } .win .g { color: var(--green); } .win .d { color: var(--dim); }
.win .bars { display: flex; align-items: flex-end; gap: 4px; height: 70px; margin-top: 10px; }
.win .bars i { flex: 1; border-radius: 2px 2px 0 0; background: var(--blue); }
.surf h3 { font-size: 26px; margin: 22px 6px 8px; }
.surf p { color: var(--muted); margin: 0 6px 20px; flex: 1; }
.surf .btn { margin: 0 6px; }

/* tools browser (Kiro "powers" layout) */
.browser { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 26px; margin-top: 30px; }
@media (max-width: 860px) { .browser { grid-template-columns: minmax(0, 1fr); } }
.cats { background: var(--surface); border-radius: var(--r-lg); padding: 14px; display: grid; gap: 4px; align-content: start; }
.cats button { all: unset; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; font: 500 15px var(--font); color: #d4d4d8; border: 1px solid transparent; }
.cats button:hover { background: var(--surface-2); }
.cats button[aria-pressed="true"] { background: var(--blue-wash); border-color: var(--blue); color: var(--ink); }
.cats .n { margin-left: auto; font: 500 12px var(--display); border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px; color: var(--muted); }
@media (max-width: 860px) { .cats { display: flex; overflow-x: auto; } .cats button { white-space: nowrap; } }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; align-content: start; }
.tcard { background: var(--surface); border-radius: var(--r-lg); padding: 22px; display: flex; flex-direction: column; gap: 18px; min-height: 230px; }
.tcard .top-row { display: flex; gap: 14px; align-items: center; }
.tcard .tile-ico { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; background: var(--blue); color: #fff; flex: none; }
.tcard .tile-ico.alt { background: #1d3a85; color: var(--blue-soft); }
.tcard .tile-ico.soft { background: var(--blue-soft); color: #0b1a3d; }
.tcard strong { font: 600 18px/1.25 var(--display); letter-spacing: -.02em; display: block; }
.tcard small { color: var(--muted); font-size: 14px; }
.tcard p { color: var(--muted); font-size: 15px; margin: 0; flex: 1; }
.tcard .btn-row { margin: 0; }
.tcard[hidden] { display: none; }

/* footer */
footer { margin-top: 110px; border-top: 1px solid var(--line); padding: 46px 0 26px; }
.foot-top { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; }
@media (max-width: 760px) { .foot-top { grid-template-columns: 1fr 1fr; } }
.foot-top .brand-col p { color: var(--muted); font-size: 15px; margin: 10px 0 0; }
.foot-top div { display: grid; gap: 7px; align-content: start; }
.foot-top strong { font: 500 12px var(--display); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); margin-bottom: 4px; }
.foot-top a { color: #d4d4d8; text-decoration: none; font-size: 15px; }
.foot-top a:hover { color: var(--blue-soft); }
footer .fine { margin-top: 36px; max-width: none; }