/* ============================================================
   Server Pipe — marketing site
   Built on the Agent console theme: gold on black, light mode supported
   ============================================================ */
:root {
  --text-xs: clamp(0.78rem, 0.75rem + 0.15vw, 0.84rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.95rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.45vw, 1.35rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.1vw, 2.1rem);
  --text-2xl: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem);
  --text-hero: clamp(2.5rem, 1.6rem + 4.2vw, 5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --radius-lg: 22px; --radius: 16px; --radius-sm: 10px; --radius-xs: 8px;
  --wrap: 74rem;
  --font: "Satoshi", "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.2,.7,.2,1);
  --header-h: 4.25rem;
}

:root, :root[data-theme="dark"] {
  --bg: oklch(13% 0.014 80);
  --bg-deep: oklch(8% 0.01 80);
  --surface: oklch(18% 0.014 80 / .72);
  --surface-2: oklch(15% 0.012 80 / .92);
  --surface-3: oklch(22% 0.016 80 / .6);
  --border: oklch(80% 0.06 85 / .16);
  --border-strong: oklch(82% 0.12 85 / .34);
  --text: oklch(97% 0.008 85);
  --text-dim: oklch(75% 0.018 85);
  --text-faint: oklch(60% 0.015 85);
  --accent: oklch(80% 0.15 86);
  --accent-2: oklch(88% 0.13 95);
  --accent-ink: oklch(16% 0.02 85);
  --info: oklch(78% 0.1 230);
  --ok: oklch(78% 0.15 155);
  --danger: oklch(70% 0.17 28);
  --mesh: 232, 186, 42;
  --mesh-2: 255, 214, 102;
  --veil: .4;
  --header-bg: oklch(11% 0.014 80 / .78);
  --shadow: 0 30px 80px -34px rgba(0,0,0,.8);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: oklch(97% 0.012 90);
  --bg-deep: oklch(93% 0.022 90);
  --surface: oklch(100% 0 0 / .82);
  --surface-2: oklch(100% 0 0);
  --surface-3: oklch(95% 0.014 90);
  --border: oklch(40% 0.03 85 / .18);
  --border-strong: oklch(58% 0.11 85 / .5);
  --text: oklch(21% 0.012 85);
  --text-dim: oklch(43% 0.02 85);
  --text-faint: oklch(55% 0.018 85);
  --accent: oklch(60% 0.14 78);
  --accent-2: oklch(70% 0.15 86);
  --accent-ink: oklch(16% 0.02 85);
  --info: oklch(52% 0.12 240);
  --ok: oklch(52% 0.14 155);
  --danger: oklch(52% 0.2 28);
  --mesh: 186, 140, 20;
  --mesh-2: 214, 166, 30;
  --veil: .18;
  --header-bg: oklch(98% 0.01 90 / .82);
  --shadow: 0 30px 70px -38px rgba(60,45,10,.35);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
html { scroll-padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 1rem); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh;
  font-family: var(--font); font-size: var(--text-base); line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  background-image: radial-gradient(120% 80% at 50% -10%, var(--bg) 0%, var(--bg-deep) 70%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: inherit; }
::selection { background: rgba(var(--mesh), .35); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: .6rem 1rem; border-radius: var(--radius-sm);
  background: var(--accent); color: var(--accent-ink); font-weight: 700; text-decoration: none; }
.skip:focus { top: calc(1rem + env(safe-area-inset-top, 0px)); }

/* background layers (from the console theme) */
#mesh { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.grid-veil { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: var(--veil);
  background-image: linear-gradient(to right, rgba(var(--mesh), .10) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(var(--mesh), .10) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(90% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(90% 60% at 50% 0%, #000 0%, transparent 75%); }
.glow { position: fixed; z-index: 0; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.glow-a { width: 46vmax; height: 46vmax; top: -22vmax; left: -14vmax; background: radial-gradient(circle, rgba(var(--mesh), .22), transparent 65%); }
.glow-b { width: 40vmax; height: 40vmax; right: -16vmax; top: 30vh; background: radial-gradient(circle, rgba(var(--mesh-2), .12), transparent 65%); }
.site { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }
.site > main { flex: 1; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

/* ---------------- header ---------------- */
.header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: var(--header-bg); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border); }
.header .wrap { height: var(--header-h); display: flex; align-items: center; gap: var(--space-6); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; flex: none; }
.mark { position: relative; width: 38px; height: 38px; display: grid; place-items: center; isolation: isolate; }
.mark img { width: 34px; height: 34px; object-fit: contain; filter: drop-shadow(0 0 12px rgba(var(--mesh), .45)); }
.mark-ring { position: absolute; inset: -4px; border-radius: 50%; z-index: -1;
  background: conic-gradient(from 0deg, transparent 0 58%, rgba(var(--mesh), .75) 78%, transparent 100%);
  -webkit-mask: radial-gradient(circle, transparent 0 61%, #000 63%); mask: radial-gradient(circle, transparent 0 61%, #000 63%);
  animation: orbit 7s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg); } }
.brand-name { font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; }

.nav { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.nav-item { position: relative; }
.nav-top { display: inline-flex; align-items: center; gap: .3rem; padding: .55rem .8rem; border-radius: var(--radius-sm);
  font: inherit; font-size: var(--text-sm); font-weight: 500; color: var(--text-dim); background: none; border: 0; cursor: pointer; text-decoration: none; }
.nav-top svg { width: 14px; height: 14px; transition: transform .2s var(--ease); }
.nav-top:hover, .nav-item.open .nav-top, .nav-top[aria-current] { color: var(--text); background: var(--surface-3); }
.nav-item.open .nav-top svg { transform: rotate(180deg); }
.menu { position: absolute; top: calc(100% + .5rem); left: 50%; transform: translateX(-50%) translateY(-4px);
  min-width: 17rem; padding: var(--space-2); border-radius: var(--radius);
  background: var(--surface-2); border: 1px solid var(--border); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s; }
.nav-item.open .menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.menu a { display: block; padding: .55rem .75rem; border-radius: var(--radius-xs); text-decoration: none;
  font-size: var(--text-sm); color: var(--text-dim); }
.menu a:hover, .menu a:focus-visible { background: var(--surface-3); color: var(--text); }
.menu a[aria-current="page"] { color: var(--accent-2); }
.menu.wide { min-width: 30rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--space-2); }
.menu .menu-hub { grid-column: 1 / -1; color: var(--text); font-weight: 700; }

.header-actions { display: flex; align-items: center; gap: var(--space-2); flex: none; }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text-dim); cursor: pointer; }
.icon-btn:hover { color: var(--accent-2); border-color: var(--border-strong); }
.icon-btn svg { width: 19px; height: 19px; }
:root[data-theme="light"] .i-sun, :root:not([data-theme="light"]) .i-moon { display: none; }
.burger { display: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: .72rem 1.15rem; border-radius: var(--radius-sm); border: 1px solid transparent;
  font: inherit; font-size: var(--text-sm); font-weight: 700; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: filter .2s, border-color .2s, color .2s, transform .1s; }
.btn:active { transform: translateY(1px); }
.btn-primary { color: var(--accent-ink); background: linear-gradient(100deg, var(--accent), var(--accent-2) 60%, var(--accent));
  box-shadow: 0 10px 30px -14px rgba(var(--mesh), .9); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { color: var(--text); background: var(--surface-2); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--border-strong); color: var(--accent-2); }
.btn-lg { padding: .95rem 1.5rem; font-size: var(--text-base); }
.btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------------- drawer (mobile) ---------------- */
.drawer { position: fixed; inset: 0; z-index: 60; display: none; }
.drawer.open { display: block; }
.drawer-scrim { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 24rem); overflow-y: auto;
  padding: calc(var(--space-5) + env(safe-area-inset-top, 0px)) var(--space-5) calc(var(--space-8) + env(safe-area-inset-bottom, 0px));
  background: var(--bg); border-left: 1px solid var(--border); animation: slide .25s var(--ease); }
@keyframes slide { from { transform: translateX(100%); } }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-4); }
.drawer details { border-bottom: 1px solid var(--border); }
.drawer summary { list-style: none; cursor: pointer; padding: var(--space-4) 0; font-weight: 700; display: flex; justify-content: space-between; }
.drawer summary::-webkit-details-marker { display: none; }
.drawer summary::after { content: "+"; color: var(--accent); font-weight: 500; }
.drawer details[open] summary::after { content: "−"; }
.drawer details a { display: block; padding: .5rem 0 .5rem var(--space-3); color: var(--text-dim); text-decoration: none; font-size: var(--text-sm); }
.drawer details a[aria-current="page"] { color: var(--accent-2); }
.drawer details div { padding-bottom: var(--space-3); }
.drawer .btn-row { margin-top: var(--space-6); flex-direction: column; }

/* ---------------- typography ---------------- */
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; margin: 0; font-weight: 700; text-wrap: balance; }
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); letter-spacing: -.015em; }
p { margin: 0; }
.lede { font-size: var(--text-lg); color: var(--text-dim); line-height: 1.55; max-width: 44rem; text-wrap: pretty; }
.prose { max-width: 42rem; }
.prose > * + * { margin-top: var(--space-5); }
.prose h2 { margin-top: var(--space-12); font-size: var(--text-xl); }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text-dim); text-wrap: pretty; }
.prose ul { padding: 0; list-style: none; display: grid; gap: var(--space-3); }
.prose li { position: relative; padding-left: 1.6rem; color: var(--text-dim); }
.prose li::before { content: ""; position: absolute; left: .2rem; top: .62em; width: 8px; height: 8px; border-radius: 50%;
  border: 2px solid var(--accent); }
.note { padding: var(--space-4) var(--space-5); border-radius: var(--radius-sm); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); background: var(--surface); font-size: var(--text-sm); color: var(--text-dim); }

/* ---------------- page hero ---------------- */
.page-hero { padding: var(--space-16) 0 var(--space-12); }
.crumbs { display: flex; flex-wrap: wrap; gap: .4rem; font-size: var(--text-xs); color: var(--text-faint); margin-bottom: var(--space-5); }
.crumbs a { color: var(--text-dim); text-decoration: none; }
.crumbs a:hover { color: var(--accent-2); }
.crumbs span[aria-hidden] { opacity: .5; }
.page-hero h1 { max-width: 20ch; margin-bottom: var(--space-5); }
.page-hero .hero-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: var(--space-6);
  border-radius: 14px; border: 1px solid var(--border-strong); color: var(--accent-2);
  background: radial-gradient(circle at 30% 20%, rgba(var(--mesh), .25), transparent 70%), var(--surface-2); }
.page-hero .hero-icon svg { width: 26px; height: 26px; }
.page-hero.product { padding-bottom: var(--space-16); }
.page-hero.product .btn-row { margin-top: var(--space-8); }

/* body layout with section sub-nav */
.page-body { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: var(--space-16); padding-bottom: var(--space-20); }
.subnav { position: sticky; top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + var(--space-6)); align-self: start;
  border-left: 1px solid var(--border); padding-left: var(--space-4); }
.subnav p { font-size: var(--text-xs); color: var(--text-faint); margin-bottom: var(--space-3); font-weight: 500; }
.subnav a { display: block; padding: .38rem 0; font-size: var(--text-sm); color: var(--text-dim); text-decoration: none; line-height: 1.35; }
.subnav a:hover { color: var(--text); }
.subnav a[aria-current="page"] { color: var(--accent-2); font-weight: 700; position: relative; }
.subnav a[aria-current="page"]::before { content: ""; position: absolute; left: calc(-1 * var(--space-4) - 1px); top: .3rem; bottom: .3rem; width: 2px; background: var(--accent); }
.page-body.solo { grid-template-columns: minmax(0, 1fr); }

/* feature grid: hairline-divided cells rather than floating cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; background: var(--surface); max-width: none; }
.prose .grid { margin-top: var(--space-6); }
.cell { padding: var(--space-6); box-shadow: inset -1px -1px 0 var(--border); }
.cell .ico { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: var(--accent-2);
  background: rgba(var(--mesh), .1); margin-bottom: var(--space-4); }
.cell .ico svg { width: 18px; height: 18px; }
.cell h3 { font-size: var(--text-base); margin-bottom: var(--space-2); letter-spacing: -.01em; }
.cell p { font-size: var(--text-sm); color: var(--text-dim); }

/* steps: real sequences only */
.steps { list-style: none; padding: 0; margin: var(--space-6) 0 0; counter-reset: s; display: grid; gap: 0; }
.prose .steps li { padding: 0 0 var(--space-6) 3.4rem; position: relative; counter-increment: s; }
.prose .steps li::before { content: counter(s); left: 0; top: 0; width: 2.2rem; height: 2.2rem; border-radius: 50%;
  border: 1px solid var(--border-strong); display: grid; place-items: center; font-family: var(--mono); font-size: var(--text-xs);
  color: var(--accent-2); background: var(--surface-2); }
.prose .steps li::after { content: ""; position: absolute; left: 1.1rem; top: 2.4rem; bottom: .2rem; width: 1px; background: var(--border); }
.prose .steps li:last-child::after { display: none; }
.steps h3 { font-size: var(--text-base); margin-bottom: var(--space-1); color: var(--text); }
.steps p { font-size: var(--text-sm); }

/* link list (hub / related pages) */
.links { display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: var(--space-3); max-width: none; }
.prose .links { margin-top: var(--space-8); }
.link-card { display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-4); align-items: start;
  padding: var(--space-5); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface);
  text-decoration: none; transition: border-color .2s, background .2s; }
.link-card:hover { border-color: var(--border-strong); background: var(--surface-2); }
.link-card .ico { grid-row: span 2; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; color: var(--accent-2); background: rgba(var(--mesh), .1); }
.link-card .ico svg { width: 18px; height: 18px; }
.link-card b { font-size: var(--text-base); letter-spacing: -.01em; }
.link-card span:last-child { font-size: var(--text-sm); color: var(--text-dim); line-height: 1.5; }
.hub-links { padding-bottom: var(--space-12); }

/* ---------------- home ---------------- */
.hero { padding: clamp(var(--space-12), 8vw, var(--space-24)) 0 var(--space-20); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.hero h1 { font-size: var(--text-hero); line-height: 1.02; letter-spacing: -.04em; max-width: 13ch; }
.hero .lede { margin-top: var(--space-6); }
.hero .btn-row { margin-top: var(--space-8); }
.hero-meta { margin-top: var(--space-8); font-size: var(--text-sm); color: var(--text-faint); }

/* live call card */
.call { position: relative; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.06); overflow: hidden; }
.call::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(var(--mesh-2), .7), transparent 38%, transparent 62%, rgba(var(--mesh), .5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.call-head { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); }
.call-head .who { display: grid; line-height: 1.25; }
.call-head .who b { font-size: var(--text-sm); }
.call-head .who small { font-size: var(--text-xs); color: var(--text-faint); font-family: var(--mono); }
.live { margin-left: auto; display: inline-flex; align-items: center; gap: .45rem; padding: .3rem .65rem; border-radius: 999px;
  font-size: var(--text-xs); color: var(--ok); background: color-mix(in oklch, var(--ok) 12%, transparent); font-family: var(--mono); }
.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); animation: blip 1.8s ease-in-out infinite; }
@keyframes blip { 50% { opacity: .3; } }
.wave { display: flex; align-items: center; justify-content: space-between; gap: 3px; height: 34px; padding: 0 var(--space-5); margin-top: var(--space-4); }
.wave span { flex: 0 0 4px; border-radius: 3px; background: linear-gradient(var(--accent-2), var(--accent)); height: 20%;
  animation: wv 1.1s ease-in-out infinite; transform-origin: center; opacity: .85; }
@keyframes wv { 0%,100% { height: 18%; } 50% { height: 95%; } }
.call.talk-user .wave span { background: var(--info); }
.dialog { display: grid; gap: var(--space-3); padding: var(--space-4) var(--space-5) var(--space-5); min-height: 22rem; align-content: start; }
.turn { border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); border: 1px solid var(--border); background: var(--surface-2);
  transition: opacity .45s var(--ease), transform .45s var(--ease); }
.turn.agent { border-left: 2px solid var(--accent); }
.turn.user { border-left: 2px solid var(--info); background: color-mix(in oklch, var(--info) 8%, var(--surface-2)); }
.turn-head { display: flex; align-items: baseline; gap: var(--space-2); margin-bottom: .2rem; }
.turn-who { font-size: var(--text-xs); font-weight: 700; }
.turn.agent .turn-who { color: var(--accent-2); }
.turn.user .turn-who { color: var(--info); }
.turn-time { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--text-faint); }
.turn p { font-size: var(--text-sm); line-height: 1.55; }
.turn.pending { opacity: 0; transform: translateY(8px); }
.call-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border); font-size: var(--text-xs); color: var(--text-dim); }
.bucket-tag { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .7rem; border-radius: 999px; font-weight: 700;
  color: var(--accent-ink); background: var(--accent); transition: opacity .4s, transform .4s var(--ease); }
.bucket-tag.pending { opacity: 0; transform: scale(.9); }

/* home sections */
.section { padding: var(--space-20) 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-8) var(--space-16); align-items: end; margin-bottom: var(--space-10); }
.section-head p { color: var(--text-dim); max-width: 36rem; }
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }

.caps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--border); }
.cap { padding: var(--space-8) var(--space-8) var(--space-8) 0; }
.cap + .cap { padding-left: var(--space-8); border-left: 1px solid var(--border); }
.cap .ico { display: block; color: var(--accent-2); width: 28px; height: 28px; margin-bottom: var(--space-5); }
.cap .ico svg { width: 28px; height: 28px; display: block; }
.cap h3 { margin-bottom: var(--space-3); }
.cap p { color: var(--text-dim); font-size: var(--text-sm); margin-bottom: var(--space-5); }
.text-link { color: var(--accent-2); font-weight: 700; font-size: var(--text-sm); text-decoration: none; border-bottom: 1px solid rgba(var(--mesh), .4); }
.text-link:hover { border-color: var(--accent-2); }

.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); list-style: none; padding: 0; margin: 0; counter-reset: f; position: relative; }
.flow li { counter-increment: f; position: relative; padding-top: var(--space-10); }
.flow li::before { content: counter(f); position: absolute; top: 0; left: 0; width: 2.2rem; height: 2.2rem; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--mono); font-size: var(--text-xs); color: var(--accent-ink); background: var(--accent); z-index: 1; }
.flow li::after { content: ""; position: absolute; top: 1.1rem; left: 2.2rem; right: calc(-1 * var(--space-4)); height: 1px; background: var(--border-strong); }
.flow li:last-child::after { display: none; }
.flow h3 { font-size: var(--text-base); margin: var(--space-4) 0 var(--space-2); }
.flow p { font-size: var(--text-sm); color: var(--text-dim); padding-right: var(--space-4); }

.console { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--space-12); align-items: center; }
.console .prose p { color: var(--text-dim); }
.buckets { border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); overflow: hidden; box-shadow: var(--shadow); }
.buckets-head { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); font-size: var(--text-sm); }
.buckets-head small { color: var(--text-faint); font-size: var(--text-xs); }
.brow { display: grid; grid-template-columns: 9rem 1fr 3rem; gap: var(--space-4); align-items: center; padding: .8rem var(--space-5); font-size: var(--text-sm); }
.brow + .brow { border-top: 1px solid var(--border); }
.brow .bar { height: 8px; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.brow .bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.brow:nth-child(n+4) .bar i { background: var(--text-faint); }
.brow b { text-align: right; font-family: var(--mono); font-weight: 500; font-size: var(--text-xs); }
.buckets-foot { display: flex; justify-content: space-between; padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border); font-size: var(--text-xs); color: var(--text-dim); }
.buckets-foot b { color: var(--text); font-family: var(--mono); font-weight: 500; }

.eng { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: var(--space-12); }
.eng-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--border); }
.eng-list a { display: grid; gap: var(--space-1); padding: var(--space-5) var(--space-5) var(--space-5) 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.eng-list a:nth-child(even) { padding-left: var(--space-5); border-left: 1px solid var(--border); }
.eng-list b { font-size: var(--text-base); letter-spacing: -.01em; }
.eng-list span { font-size: var(--text-sm); color: var(--text-dim); }
.eng-list a:hover b { color: var(--accent-2); }
.eng .prose .btn-row { margin-top: var(--space-6); }

/* CTA band */
.cta { margin: var(--space-8) 0 var(--space-20); border-radius: var(--radius-lg); padding: clamp(var(--space-8), 5vw, var(--space-16));
  border: 1px solid var(--border-strong); position: relative; overflow: hidden;
  background: radial-gradient(80% 140% at 100% 0%, rgba(var(--mesh), .22), transparent 60%), var(--surface); }
.cta .wrap-in { display: flex; justify-content: space-between; align-items: center; gap: var(--space-8); flex-wrap: wrap; }
.cta h2 { font-size: var(--text-2xl); max-width: 16ch; letter-spacing: -.035em; }
.cta p { color: var(--text-dim); margin-top: var(--space-3); max-width: 34rem; }

/* contact */
.contact { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: var(--space-12); padding-bottom: var(--space-20); }
.form { display: grid; gap: var(--space-5); padding: clamp(var(--space-6), 3vw, var(--space-10)); border-radius: var(--radius-lg);
  border: 1px solid var(--border); background: var(--surface); }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.field label, .field legend { font-size: var(--text-sm); font-weight: 500; color: var(--text-dim); }
.field input, .field textarea, .field select { width: 100%; font: inherit; font-size: var(--text-base); color: var(--text);
  padding: .8rem 1rem; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); outline: none;
  transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 9rem; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--mesh), .18); }
fieldset.field { border: 0; padding: 0; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span { display: inline-block; padding: .5rem .9rem; border-radius: 999px; border: 1px solid var(--border); font-size: var(--text-sm); color: var(--text-dim); background: var(--surface-2); }
.chip input:checked + span { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); font-weight: 700; }
.chip input:focus-visible + span { box-shadow: 0 0 0 3px rgba(var(--mesh), .35); }
.form-msg { font-size: var(--text-sm); color: var(--ok); }
.form-msg.err { color: var(--danger); }
.aside-block + .aside-block { margin-top: var(--space-8); padding-top: var(--space-8); border-top: 1px solid var(--border); }
.aside-block h2 { font-size: var(--text-base); margin-bottom: var(--space-2); }
.aside-block p, .aside-block a { color: var(--text-dim); font-size: var(--text-sm); }
.aside-block a:hover { color: var(--accent-2); }

/* ---------------- footer ---------------- */
.footer { border-top: 1px solid var(--border); background: color-mix(in oklch, var(--bg-deep) 70%, transparent); padding: var(--space-16) 0 var(--space-8); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: var(--space-8); }
.foot-grid h2 { font-size: var(--text-sm); margin-bottom: var(--space-4); }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.foot-grid a { color: var(--text-dim); font-size: var(--text-sm); text-decoration: none; }
.foot-grid a:hover { color: var(--accent-2); }
.foot-about .brand-name { color: var(--text); }
.foot-about p { color: var(--text-dim); font-size: var(--text-sm); margin-top: var(--space-4); max-width: 22rem; }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-12); padding-top: var(--space-6);
  border-top: 1px solid var(--border); font-size: var(--text-xs); color: var(--text-faint); }
.foot-base nav { display: flex; gap: var(--space-5); }
.foot-base a { color: var(--text-faint); text-decoration: none; }
.foot-base a:hover { color: var(--text); }

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
  .nav, .header-actions .btn-ghost { display: none; }
  .burger { display: grid; }
  .header-actions { margin-left: auto; }
  .foot-grid { grid-template-columns: 1fr 1fr 1fr; }
  .foot-about { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .hero .wrap, .console, .eng, .contact, .section-head { grid-template-columns: minmax(0, 1fr); }
  .page-body { grid-template-columns: minmax(0, 1fr); gap: var(--space-10); }
  .subnav { position: static; order: 2; }
  .caps { grid-template-columns: minmax(0, 1fr); }
  .cap, .cap + .cap { padding: var(--space-8) 0; border-left: 0; }
  .cap + .cap { border-top: 1px solid var(--border); }
  .flow { grid-template-columns: 1fr 1fr; row-gap: var(--space-8); }
  .flow li:nth-child(2)::after { display: none; }
}
@media (max-width: 640px) {
  .header-actions .btn-primary { display: none; }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow li::after { display: none; }
  .eng-list { grid-template-columns: minmax(0, 1fr); }
  .eng-list a:nth-child(even) { padding-left: 0; border-left: 0; }
  .form .two { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .brow { grid-template-columns: 7rem 1fr 2.5rem; }
  .section { padding: var(--space-16) 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}