/* aram landing page: light, quiet, product-first. */
:root {
  --bg: #ffffff;
  --soft: #f6f6f4;
  --ink: #101114;
  --ink-2: #3a3c42;
  --muted: #6b6e76;
  --line: #e8e8e5;
  --line-2: #dcdcd8;
  --accent: #2b59ff;
  --accent-soft: #eaf0ff;
  --ok: #18794e;
  --ok-soft: #e7f4ec;
  --warn: #b25e00;
  --warn-soft: #fdf1e2;
  --danger-soft: #fdecec;

  --font: "Instrument Sans", system-ui, sans-serif;
  --page: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); line-height: 1.04; letter-spacing: -0.032em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.1; letter-spacing: -0.03em; max-width: 20ch; }
h3 { font-size: 1.1rem; line-height: 1.3; letter-spacing: -0.01em; }
p { margin: 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 20; background: var(--bg); padding: 8px 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px;
  border-radius: 999px; border: 1px solid var(--ink); background: var(--ink); color: #fff;
  font: 600 .95rem/1 var(--font); text-decoration: none; transition: background .15s, color .15s;
}
.btn:hover { background: #2a2c31; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--soft); }
.btn-small { min-height: 36px; padding: 0 16px; font-size: .88rem; }
.btn-large { min-height: 54px; padding: 0 30px; font-size: 1rem; }
.btn-invert { background: #fff; color: var(--ink); border-color: #fff; }
.btn-invert:hover { background: #e9e9e6; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 32px;
  padding: 14px max(var(--gutter), calc((100% - var(--page)) / 2));
  background: rgba(255,255,255,.82); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.wordmark { font-weight: 700; font-size: 1.35rem; letter-spacing: -0.04em; text-decoration: none; }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: .92rem; color: var(--ink-2); }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero { position: relative; padding: clamp(56px, 9vw, 112px) var(--gutter) 0; overflow: hidden; }
/* The dot field sits below the copy and fades out at both edges so text never sits on dots. */
#horizon {
  position: absolute; left: 0; right: 0; top: 400px; width: 100%; height: 720px; pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 16%, #000 64%, transparent 94%);
          mask-image: linear-gradient(to bottom, transparent 0%, #000 16%, #000 64%, transparent 94%);
}
.hero-top { position: relative; max-width: var(--page); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { position: relative; }
.hero h1 { max-width: 13ch; font-size: clamp(2.4rem, 4.4vw, 3.8rem); }

/* Stack diagram */
.stack { position: relative; margin: 0; font-size: 13px; line-height: 1.35; }
.stack-env { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 30px 14px 14px; border: 1.5px dashed #b9bcc4; border-radius: 18px; background: rgba(255,255,255,.9); }
.env-label { position: absolute; top: -11px; left: 16px; padding: 2px 10px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 11.5px; font-weight: 600; }
.sl { position: relative; display: grid; grid-template-columns: 96px 1fr; gap: 6px 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .3s, box-shadow .3s, background .3s; }
.sl-name { font-weight: 600; font-size: 12.5px; color: var(--ink-2); }
.sl-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.sl-chips i { font-style: normal; padding: 2px 8px; border-radius: 6px; background: var(--soft); border: 1px solid var(--line); color: var(--ink-2); font-size: 12px; transition: background .3s, color .3s, border-color .3s; }
.sl-core { background: #f7f9ff; border-color: #d5defc; }
.sl-core .sl-chips i { background: #fff; }
.sl.is-on { border-color: var(--ink); box-shadow: 0 6px 18px -10px rgba(16,17,20,.35); }
.sl-core.is-on { border-color: var(--accent); }
.sl-chips i.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.mini-budget { grid-column: 2; display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; font-size: 11.5px; color: var(--muted); }
.mini-budget b { height: 5px; border-radius: 99px; background: #e6e8ef; overflow: hidden; }
.mini-budget b i { display: block; width: 41%; height: 100%; background: var(--ink); }
.sl-split { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sl-split .sl { grid-template-columns: 1fr; }
.stack-gate { position: relative; display: flex; justify-content: center; height: 34px; }
.stack-gate::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; border-left: 1.5px dashed #b9bcc4; transition: border-color .3s; }
.stack-gate span { position: relative; align-self: center; padding: 2px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 11.5px; color: var(--muted); transition: all .3s; }
.stack-gate span::before { content: ""; display: inline-block; width: 7px; height: 6px; margin-right: 6px; border: 1.5px solid currentColor; border-radius: 1px; vertical-align: 0; box-shadow: 0 -4px 0 -1.5px #fff, 0 -4px 0 0 currentColor; }
.stack-gate.is-on::before { border-left-color: var(--accent); }
.stack-gate.is-on span { color: var(--accent); border-color: var(--accent); }
.sl-out { grid-template-columns: 96px 1fr auto; background: var(--soft); }
.sl-out p { font-size: 11.5px; color: var(--ok); font-weight: 600; white-space: nowrap; }
.stack-caption { display: flex; align-items: baseline; gap: 10px; min-height: 44px; margin-top: 14px; font-size: 14px; color: var(--ink-2); }
.stack-caption b { flex: none; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 11.5px; transform: translateY(-1px); }
.stack-caption span { animation: rise .35s ease-out both; }
.lede { margin-top: 24px; max-width: 40rem; font-size: 1.15rem; color: var(--ink-2); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.hero-tags li { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: #fff; font-size: .9rem; font-weight: 500; color: var(--ink-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }

/* Product tour */
.tour { position: relative; max-width: var(--page); margin: clamp(56px, 7vw, 88px) auto 0; }
.tour-tabs {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; margin-bottom: 14px; padding: 4px;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
}
.tour-tabs button {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 12px 14px 14px; border: 0; border-radius: 10px; background: transparent; cursor: pointer;
  font: inherit; color: var(--muted); text-align: left; transition: background .15s, color .15s;
}
.tour-tabs button:hover { background: rgba(16,17,20,.04); }
.tour-tabs strong { font-size: .95rem; font-weight: 600; color: var(--ink-2); }
.tour-tabs span { font-size: .82rem; line-height: 1.35; }
.tour-tabs button[aria-selected=true] { background: var(--soft); color: var(--ink-2); }
.tour-tabs button[aria-selected=true] strong { color: var(--ink); }
.tour-tabs button::after { /* progress while the tab auto-plays */
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 6px; height: 2px; border-radius: 2px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
}
.tour-tabs button.is-playing::after { animation: progress var(--dur, 12s) linear forwards; }
@keyframes progress { to { transform: scaleX(1); } }

.win {
  background: #fff; border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(16,17,20,.04), 0 24px 64px -28px rgba(16,17,20,.25);
  font-size: 14px; line-height: 1.5;
}
.win-bar { position: relative; display: flex; align-items: center; gap: 6px; height: 40px; padding: 0 16px; background: var(--soft); border-bottom: 1px solid var(--line); }
.win-bar i { width: 10px; height: 10px; border-radius: 50%; background: #dcdcd7; }
.win-url { position: absolute; left: 50%; transform: translateX(-50%); padding: 3px 16px; border-radius: 6px; background: #fff; border: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.pane { height: 520px; }
.pane[hidden] { display: none; }
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); color: var(--ink-2); font-size: 12px; white-space: nowrap; }
.tag-ok { background: var(--ok-soft); border-color: #cfe8da; color: var(--ok); }

/* Chat */
.chat { display: grid; grid-template-columns: 220px 1fr; height: 100%; }
.chat-side { display: flex; flex-direction: column; gap: 2px; padding: 14px 12px; border-right: 1px solid var(--line); background: #fbfbfa; }
.chat-new { padding: 8px 12px; margin-bottom: 10px; border-radius: 8px; background: var(--ink); color: #fff; font-weight: 600; font-size: 13px; }
.side-label { margin: 10px 12px 4px; font-size: 11.5px; color: var(--muted); }
.chat-hist { padding: 7px 12px; border-radius: 8px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-hist.is-active { background: #ececea; color: var(--ink); }
.side-user { margin-top: auto; display: flex; align-items: center; gap: 10px; padding: 10px 12px 2px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-2); }
.side-user b { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 11px; }
.chat-main { display: flex; flex-direction: column; min-width: 0; }
.chat-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.picker { position: relative; }
.picker-btn { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font: 600 13px var(--font); color: var(--ink); }
.caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); }
.picker-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 3; width: 260px; margin: 0; padding: 4px; list-style: none;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 16px 32px -16px rgba(16,17,20,.3);
  opacity: 0; transform: translateY(-4px); pointer-events: none; transition: opacity .18s, transform .18s;
}
.picker.is-open .picker-menu { opacity: 1; transform: none; }
.picker-menu { width: 310px; }
.picker-menu li { display: flex; justify-content: space-between; gap: 16px; padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.picker-menu em { font-style: normal; color: var(--muted); font-size: 12px; }
.picker-menu li.is-hover { background: var(--soft); }
.chat-log { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 14px; padding: 20px 10% 12px; }
.msg { animation: rise .3s ease-out both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.msg-user { align-self: flex-end; max-width: 80%; padding: 10px 14px; border-radius: 14px 14px 4px 14px; background: var(--soft); border: 1px solid var(--line); }
.msg-ai { max-width: 92%; }
.msg-ai ul { margin: 8px 0 0; padding-left: 18px; }
.msg-ai li { margin: 4px 0; }
.msg-status { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.msg-status::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line-2); border-top-color: var(--ink); animation: spin .8s linear infinite; }
.msg-status.is-done::before { animation: none; border: 0; background: var(--ok); width: 8px; height: 8px; margin: 0 2px; }
@keyframes spin { to { transform: rotate(360deg); } }
.cites { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.cite { padding: 3px 9px; border-radius: 6px; background: var(--soft); border: 1px solid var(--line); font-size: 12px; color: var(--ink-2); animation: rise .3s ease-out both; }
.chat-input { margin: 0 10% 18px; padding: 12px 14px; min-height: 48px; border: 1px solid var(--line-2); border-radius: 12px; box-shadow: 0 2px 8px -4px rgba(16,17,20,.1); }
.chat-input { margin-bottom: 8px; }
.chat-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 10% 16px; font-size: 12px; }
.chat-tools span { color: var(--muted); margin-right: 2px; }
.chat-tools i { font-style: normal; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-2); }

/* Works with */
.works { max-width: var(--page); margin: 40px auto 0; padding: 0 var(--gutter); box-sizing: content-box; display: grid; gap: 14px; }
.works-row { display: grid; grid-template-columns: 140px 1fr; gap: 16px; align-items: baseline; }
.works h3 { font-size: .9rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.works ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.works li { padding: 5px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: .92rem; font-weight: 500; }

.cursor { display: inline-block; width: 1px; height: 1.05em; background: var(--ink); vertical-align: -3px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Routing */
.route { display: flex; flex-direction: column; height: 100%; padding: 24px 28px; }
.route-row { display: grid; grid-template-columns: minmax(0, 2.2fr) 1fr 1.1fr 1fr; gap: 16px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.route-labels { padding: 0 0 8px; border-top: 0; font-size: 12px; color: var(--muted); }
.route-row > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.js-routes .route-row { animation: rise .3s ease-out both; }
.topic, .model { justify-self: start; font-size: 12px; padding: 2px 8px; border-radius: 6px; white-space: nowrap; opacity: 0; transform: translateY(4px); transition: opacity .25s, transform .25s; }
.topic { background: var(--soft); border: 1px solid var(--line); color: var(--ink-2); }
.model { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.model.is-strong { background: #f0eefc; color: #5b3fd6; }
.cost { font-size: 13px; font-variant-numeric: tabular-nums; opacity: 0; transition: opacity .25s; }
.cost s { color: var(--muted); margin-left: 6px; font-size: 12px; }
.cost small { display: block; color: var(--muted); font-size: 11.5px; }
.route-row.is-topic .topic, .route-row.is-model .model { opacity: 1; transform: none; }
.route-row.is-model .cost { opacity: 1; }
.route-stats { display: flex; gap: 40px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.route-stats b { display: block; font-size: 22px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.route-stats span { font-size: 12.5px; color: var(--muted); }
.chat-route { font-size: 12.5px; color: var(--muted); }
.chat-route b { color: var(--accent); font-weight: 600; }

/* Budgets */
.admin { position: relative; height: 100%; padding: 24px 28px; }
.admin-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 18px; }
.admin-head strong { font-size: 18px; margin-right: 10px; }
.admin-head div span { color: var(--muted); }
.budget-row { display: grid; grid-template-columns: 140px 1fr 1.3fr; gap: 20px; align-items: center; padding: 16px 0; border-top: 1px solid var(--line); }
.budget-labels { padding: 0 0 8px; border-top: 0; font-size: 12px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chips i { font-style: normal; font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--soft); border: 1px solid var(--line); color: var(--ink-2); }
.meter { position: relative; display: block; height: 8px; margin-top: 22px; border-radius: 999px; background: #eeeeeb; }
.meter b { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 999px; background: var(--ink); transition: width 1.6s cubic-bezier(.2,.7,.2,1), background .4s; }
.meter.is-warn b { background: var(--warn); }
.meter em { position: absolute; bottom: 14px; font-style: normal; font-size: 13px; white-space: nowrap; }
.meter .js-spent { left: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.meter.is-warn .js-spent { color: var(--warn); }
.meter .cap { right: 0; color: var(--muted); }
.meter .cap::before { content: "of "; }
.toast {
  position: absolute; right: 28px; bottom: 24px; width: 300px; padding: 14px 16px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 40px -16px rgba(16,17,20,.3);
  display: flex; flex-direction: column; gap: 2px; border-left: 3px solid var(--warn);
  opacity: 0; transform: translateY(10px); transition: opacity .35s, transform .35s;
}
.toast strong { font-size: 13.5px; }
.toast span { font-size: 12.5px; color: var(--muted); }
.toast.is-on { opacity: 1; transform: none; }

/* Data */
.data { display: grid; grid-template-columns: 1fr 1.25fr; height: 100%; }
.data-col { display: flex; flex-direction: column; gap: 10px; padding: 24px 28px; }
.data-col-alt { border-left: 1px solid var(--line); background: #fbfbfa; }
.data-title { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.sources { list-style: none; margin: 0; padding: 0; }
.sources li { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-top: 1px solid var(--line); }
.sources li span { font-weight: 500; }
.sources em { display: flex; align-items: center; gap: 7px; font-style: normal; font-size: 12.5px; color: var(--muted); }
.sources em::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); animation: blink 1s steps(1) infinite; }
.sources li.is-done em { color: var(--ok); }
.sources li.is-done em::before { background: var(--ok); animation: none; }
.data-note { margin-top: auto; font-size: 13px; color: var(--muted); }
.redact-in, .redact-out { min-height: 110px; padding: 14px; border-radius: 10px; background: #fff; border: 1px solid var(--line); line-height: 1.7; }
.redact-in + .data-title { margin-top: 10px; }
.pii { border-radius: 4px; padding: 0 2px; transition: background .3s, color .3s; }
.pii.is-found { background: var(--danger-soft); color: #b42318; }
.mask { padding: 1px 6px; border-radius: 4px; background: var(--ok-soft); color: var(--ok); font-size: 12px; font-weight: 600; animation: rise .3s ease-out both; }

/* Agents */
.agent { display: flex; flex-direction: column; gap: 18px; height: 100%; padding: 24px 28px; }
.agent-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.agent-head strong { display: block; font-size: 18px; }
.agent-head span:not(.tag) { color: var(--muted); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 30px 12px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 13px; color: var(--muted); transition: border-color .25s, background .25s, color .25s; }
.steps li::before { content: counter(s); position: absolute; left: 12px; top: 9px; font-size: 12px; font-weight: 600; }
.steps li.is-active { border-color: var(--ink); color: var(--ink); }
.steps li.is-done { background: var(--ok-soft); border-color: #cfe8da; color: var(--ok); }
.runs { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.run { display: grid; grid-template-columns: 90px 1fr auto; gap: 12px; align-items: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 13px; animation: rise .35s ease-out both; }
.run b { font-weight: 600; }
.run em { font-style: normal; color: var(--muted); font-variant-numeric: tabular-nums; }
.run-flag { background: var(--warn-soft); border-color: #f3dcbd; }
.agent-stats { display: flex; gap: 40px; padding-top: 16px; border-top: 1px solid var(--line); }
.agent-stats b { display: block; font-size: 22px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.agent-stats span { font-size: 12.5px; color: var(--muted); }

/* Report */
.report { display: flex; flex-direction: column; gap: 22px; height: 100%; padding: 24px 28px; }
.report-top { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.report-kpi { padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; }
.report-kpi b { display: block; font-size: 40px; font-weight: 600; line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.report-kpi span { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.report-label { margin-bottom: 10px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.report-chart { width: 100%; height: 150px; }
.chart-grid { fill: none; stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; vector-effect: non-scaling-stroke; stroke-dasharray: 400; stroke-dashoffset: 400; }
.chart-area { fill: rgba(43,89,255,.08); opacity: 0; transition: opacity .8s .6s; }
.report.is-on .chart-line { animation: draw 1.6s ease-out forwards; }
.report.is-on .chart-area { opacity: 1; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.report-axis { display: flex; justify-content: space-between; margin-top: 6px; font-size: 12px; color: var(--muted); }
.compare { display: flex; flex-direction: column; gap: 18px; }
.compare-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 13px; }
.compare-row em { font-style: normal; font-weight: 600; }
.bar { grid-column: 1 / -1; grid-row: 2; height: 12px; border-radius: 6px; background: #eeeeeb; overflow: hidden; }
.bar b { display: block; height: 100%; width: 0; background: #b9bbc1; transition: width 1.4s cubic-bezier(.2,.7,.2,1); }
.bar-accent b { background: var(--accent); }
.report-note { margin-top: 16px; font-size: 12.5px; color: var(--muted); }

/* Sections */
.section { max-width: var(--page); margin: 0 auto; padding: clamp(80px, 11vw, 140px) var(--gutter) 0; box-sizing: content-box; }
.section > h2 { margin-bottom: 20px; }
.section-intro { max-width: 40rem; color: var(--ink-2); font-size: 1.05rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.split > h2, .split h2 { margin-bottom: 16px; }
.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: 16px 0; border-top: 1px solid var(--line); font-size: 1.1rem; }
.plain-list li:last-child { border-bottom: 1px solid var(--line); }
.after-list { margin-top: 24px; color: var(--muted); max-width: 42rem; }

.flow { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.flow li { position: relative; padding: 26px 28px; display: flex; flex-direction: column; gap: 8px; }
.flow li + li { border-left: 1px solid var(--line); }
.flow li + li::before { /* arrow between steps */
  content: ""; position: absolute; left: -7px; top: 32px; width: 12px; height: 12px; background: #fff;
  border-top: 1px solid var(--line); border-right: 1px solid var(--line); transform: rotate(45deg);
}
.flow strong { font-size: 1.05rem; font-weight: 600; }
.flow span { color: var(--muted); font-size: .96rem; }

/* Calculator */
.calc-body { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 24px; margin-top: 36px; align-items: start; }
.calc-cases { display: flex; flex-direction: column; gap: 10px; }
.case { border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.case.is-on { border-color: var(--line-2); box-shadow: 0 8px 24px -16px rgba(16,17,20,.2); }
.case-head { display: flex; align-items: flex-start; gap: 14px; padding: 18px 20px; cursor: pointer; }
.case-head input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--ink); flex: none; }
.case-head label { display: flex; flex-direction: column; flex: 1; cursor: pointer; }
.case-head strong { font-size: 1.02rem; font-weight: 600; }
.case-head span { color: var(--muted); font-size: .92rem; }
.case-detail { display: none; padding: 0 20px 20px 52px; }
.case.is-on .case-detail { display: block; }
.qty { display: flex; align-items: center; gap: 16px; }
.qty input[type=range] { flex: 1; accent-color: var(--ink); }
.qty output { min-width: 10em; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.assume { display: grid; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line-2); }
.assume-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: .88rem; color: var(--muted); }
.tok { padding: 1px 8px; border-radius: 6px; background: var(--soft); border: 1px solid var(--line); color: var(--ink); font-size: .84rem; font-variant-numeric: tabular-nums; }
.share { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; align-items: center; font-size: .88rem; color: var(--ink-2); }
.share-bar { height: 6px; border-radius: 999px; background: #eeeeeb; overflow: hidden; }
.share-bar i { display: block; height: 100%; background: var(--accent); }
.share-why { grid-column: 1 / -1; font-size: .86rem; color: var(--muted); }

.calc-result { position: sticky; top: 84px; padding: 24px; border-radius: 16px; background: var(--ink); color: #fff; }
.calc-result-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.calc-result h3 { font-size: 1rem; font-weight: 600; color: #c9cbd1; }
.cur { display: flex; gap: 2px; padding: 2px; border-radius: 8px; background: rgba(255,255,255,.08); }
.cur button { min-width: 34px; padding: 4px 8px; border: 0; border-radius: 6px; background: transparent; color: #c9cbd1; font: 600 .9rem var(--font); cursor: pointer; }
.cur button[aria-pressed=true] { background: #fff; color: var(--ink); }
.res-line { padding: 16px 0; border-top: 1px solid rgba(255,255,255,.12); }
.res-line:first-child { border-top: 0; }
.res-line span { display: block; font-size: .88rem; color: #a9acb5; }
.res-line b { display: block; margin: 2px 0; font-size: 2rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.res-save b { color: #8fb0ff; }
.res-bars { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.res-bar { display: grid; grid-template-columns: 112px 1fr; gap: 10px; align-items: center; font-size: .82rem; color: #c9cbd1; }
.res-bar div { display: flex; height: 8px; border-radius: 3px; background: rgba(255,255,255,.12); overflow: hidden; }
.res-bar i { height: 100%; transition: width .35s; }
.seg-front { background: #e6e7ea; }
.seg-open { background: #8fb0ff; }
.res-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; font-size: .78rem; color: #a9acb5; }
.res-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.res-note { margin-top: 14px; font-size: .82rem; color: #a9acb5; }
.calc-empty { padding: 24px 0; color: #a9acb5; }
.calc-prices { margin-top: 20px; max-width: 52rem; font-size: .9rem; color: var(--muted); }
.calc-prices summary { cursor: pointer; color: var(--ink); font-weight: 600; }
.calc-prices ul { margin: 10px 0 0; padding-left: 18px; }

/* Where it runs */
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 36px; }
.cols > div { padding-top: 20px; border-top: 1px solid var(--ink); }
.cols h3 { margin-bottom: 8px; }
.cols p { color: var(--muted); }

/* Pricing */
.price-list { margin: 0; }
.price-list > div { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 18px 0; border-top: 1px solid var(--line); }
.price-list > div:last-child { border-bottom: 1px solid var(--line); }
.price-list dt { font-weight: 600; }
.price-list dd { margin: 0; color: var(--muted); }

/* Fit */
.fit { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; margin-top: 32px; }
.fit > div { padding: 28px 30px; border-radius: 16px; border: 1px solid var(--line); }
.fit h3 { margin-bottom: 14px; }
.fit ul { margin: 0; padding: 0; list-style: none; }
.fit li { position: relative; padding: 8px 0 8px 28px; }
.fit li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 12px; height: 7px; border-left: 2px solid var(--ok); border-bottom: 2px solid var(--ok); transform: rotate(-45deg); }
.fit-no { background: var(--soft); }
.fit-no li::before { width: 12px; height: 2px; top: 20px; border: 0; background: var(--muted); transform: none; }

/* Pilot */
.pilot { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: p; }
.pilot li { counter-increment: p; display: flex; flex-direction: column; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line); }
.pilot li::before { content: counter(p); font-size: .85rem; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }
.pilot strong { font-weight: 600; }
.pilot span { color: var(--muted); font-size: .96rem; }

/* Contact */
.contact {
  max-width: var(--page); margin: clamp(96px, 12vw, 160px) auto 0; padding: clamp(56px, 8vw, 96px) clamp(24px, 6vw, 80px);
  border-radius: 24px; background: var(--ink); color: #fff; text-align: center;
  width: calc(100% - 2 * var(--gutter));
}
.contact h2 { margin: 0 auto 16px; max-width: 18ch; }
.contact p { max-width: 36rem; margin: 0 auto 32px; color: #c9cbd1; }
.contact .contact-addr { margin: 18px auto 0; font-size: .92rem; }

/* Footer */
.footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; max-width: var(--page); margin: 0 auto; padding: 40px var(--gutter); color: var(--muted); font-size: .9rem; box-sizing: content-box; }
.footer .wordmark { color: var(--ink); font-size: 1.1rem; margin-right: 12px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover, .footer-links a[aria-current] { color: var(--ink); }

/* Legal pages */
.legal { max-width: 44rem; margin: 0 auto; padding: clamp(48px, 8vw, 96px) var(--gutter) 0; box-sizing: content-box; }
.legal h1 { font-size: clamp(2.2rem, 4.4vw, 3.2rem); }
.legal-meta { margin: 12px 0 36px; color: var(--muted); }
.legal h2 { margin: 44px 0 12px; font-size: 1.35rem; max-width: none; }
.legal h3 { margin: 22px 0 8px; font-size: 1.05rem; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 14px; }
.legal ul { margin: 12px 0; padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal a { text-underline-offset: 3px; }
.legal mark { background: #fff3c4; padding: 0 4px; border-radius: 4px; color: var(--ink); }

/* Responsive */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav .btn-small { margin-left: auto; }
  .tour-tabs { grid-template-columns: repeat(6, minmax(110px, 1fr)); overflow-x: auto; scrollbar-width: none; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow li:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .flow li:nth-child(4) { border-top: 1px solid var(--line); }
  .flow li:nth-child(3)::before { display: none; }
  .tour-tabs span { display: none; }
  .split, .calc-body, .hero-top { grid-template-columns: minmax(0, 1fr); }
  .stack { max-width: 560px; }
  .calc-result { position: static; }
  .cols, .pilot { grid-template-columns: 1fr 1fr; }
  .pane { height: 560px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .tour-tabs { grid-template-columns: repeat(6, auto); }
  .sl, .sl-out { grid-template-columns: 1fr; }
  .mini-budget { grid-column: 1; }
  .sl-split { grid-template-columns: 1fr; }
  .sl-out p { white-space: normal; }
  .route { padding: 18px; }
  .route-row { grid-template-columns: 1fr auto; gap: 6px 10px; }
  .route-row > span:first-child { grid-column: 1 / -1; white-space: normal; }
  .route-labels, .route-row .topic { display: none; }
  .route-stats { gap: 20px; }
  .pane { height: 540px; }
  .chat { grid-template-columns: 1fr; }
  .chat-side { display: none; }
  .chat-log, .chat-input { margin-left: 0; margin-right: 0; }
  .chat-log { padding: 16px; }
  .chat-input { margin: 0 14px 8px; }
  .chat-tools { margin: 0 14px 14px; }
  .works-row { grid-template-columns: 1fr; gap: 8px; }
  .admin, .data-col, .agent, .report { padding: 18px; }
  .budget-row { grid-template-columns: 90px 1fr; gap: 12px; }
  .budget-row .chips, .budget-labels span:nth-child(2) { display: none; }
  .toast { left: 18px; right: 18px; bottom: 18px; width: auto; }
  .data { grid-template-columns: 1fr; height: auto; }
  .data-col-alt { border-left: 0; border-top: 1px solid var(--line); }
  .sources li { padding: 9px 0; }
  .data-note { display: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .agent-stats { gap: 20px; }
  .agent-stats > div:last-child { display: none; }
  .report-top, .report-grid { grid-template-columns: 1fr; gap: 14px; }
  .report-kpi b { font-size: 30px; }
  .report-top .report-kpi:last-child { display: none; }
  .report-chart { height: 90px; }
  .flow { grid-template-columns: 1fr; }
  .flow li + li { border-left: 0; border-top: 1px solid var(--line); }
  .flow li:nth-child(3)::before { display: block; }
  .flow li + li::before { left: 32px; top: -7px; transform: rotate(135deg); }
  .cols, .pilot, .fit { grid-template-columns: 1fr; }
  .price-list > div { grid-template-columns: 1fr; gap: 4px; }
  .case-detail { padding-left: 20px; }
  .qty { flex-wrap: wrap; }
  .qty output { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}