/* Layout concept: a night-time city seen through frosted glass. Content sits on
   translucent panels floating over a slow aurora; one hero instrument (a walking-distance
   radar around a property) carries the motion, everything else stays still. */
:root {
  color-scheme: dark;
  --ink: #05080e;          /* page ground, blue-biased near-black */
  --ink-2: #0a1019;
  --fg: #e9eef5;
  --fg-2: #b4bfcd;
  --muted: #7d8a9c;
  --line: rgba(196, 214, 255, 0.09);
  --line-2: rgba(196, 214, 255, 0.16);
  --glass: rgba(18, 26, 40, 0.42);
  --glass-hi: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(14, 20, 32, 0.72);
  --jade: #5ef0d2;         /* primary accent */
  --lilac: #9c8bff;        /* secondary accent */
  --grad: linear-gradient(120deg, var(--jade), #7cc4ff 50%, var(--lilac));
  /* data-layer colours (category, not accent) */
  --eat: #ffb86b;
  --move: #5cc8ff;
  --learn: #8ee6a0;
  --heal: #ff7a93;
  --live: #b9a6ff;
  --daily: #f2d77a;

  --f-display: "Geist", "Helvetica Neue", Arial, sans-serif;
  --f-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --f-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;
  --max: 1200px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--f-display);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 380;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg, canvas { max-width: 100%; }
::selection { background: rgba(94, 240, 210, 0.3); }
:focus-visible { outline: 2px solid var(--jade); outline-offset: 3px; border-radius: 6px; }

.mono { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: 0.02em; }
.muted { color: var(--muted); }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 40px);
  margin-inline: auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}

/* ---------- atmosphere ---------- */
.atmos { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.55; will-change: transform; }
.a1 { width: 60vw; height: 60vw; left: -18vw; top: -26vw; background: radial-gradient(circle, rgba(94, 240, 210, 0.38), transparent 62%); animation: drift1 26s ease-in-out infinite alternate; }
.a2 { width: 55vw; height: 55vw; right: -20vw; top: 8vh; background: radial-gradient(circle, rgba(156, 139, 255, 0.36), transparent 62%); animation: drift2 32s ease-in-out infinite alternate; }
.a3 { width: 70vw; height: 50vw; left: 15vw; bottom: -36vw; background: radial-gradient(circle, rgba(92, 200, 255, 0.22), transparent 64%); animation: drift1 40s ease-in-out infinite alternate-reverse; }
@keyframes drift1 { to { transform: translate3d(8vw, 6vh, 0) scale(1.08); } }
@keyframes drift2 { to { transform: translate3d(-10vw, 10vh, 0) scale(0.94); } }
.gridlines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 20%, transparent 75%);
  opacity: 0.6;
}
.grain {
  position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.5'/></svg>");
  opacity: 0.05;
  mix-blend-mode: overlay;
}
@media (prefers-reduced-motion: reduce) { .aurora { animation: none; } }

/* ---------- glass ---------- */
.glass, .glass-strong {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  box-shadow:
    inset 0 1px 0 var(--glass-hi),
    0 30px 60px -30px rgba(0, 0, 0, 0.6);
}
.glass { background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)), var(--glass); }
.glass-strong { background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)), var(--glass-strong); border-color: var(--line-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  height: 48px; padding: 0 22px;
  border-radius: 999px;
  font: 500 0.95rem/1 var(--f-display);
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  color: #04110e;
  background: var(--grad);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset, 0 10px 30px -10px rgba(94, 240, 210, 0.55);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2) inset, 0 14px 40px -10px rgba(124, 196, 255, 0.7); }
.btn-ghost { color: var(--fg); background: rgba(255, 255, 255, 0.04); border-color: var(--line-2); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(196, 214, 255, 0.28); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* ---------- nav ---------- */
.nav-wrap {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  padding: 14px var(--gutter-r) 0 var(--gutter-l);
}
.nav {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 8px 8px 8px 18px;
  border-radius: 999px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; font-size: 1.02rem; }
.brand-mark { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 8px 14px; border-radius: 999px; color: var(--fg-2); font-size: 0.9rem; transition: color 0.2s, background 0.2s; }
.nav-links a:hover { color: var(--fg); background: rgba(255, 255, 255, 0.05); }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ---------- type ---------- */
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.035em; text-wrap: balance; }
h1 em, h2 em {
  font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: 0.06em;
}
h1 { font-size: clamp(2.7rem, 6.4vw, 5.2rem); line-height: 0.98; }
h2 { font-size: clamp(2rem, 4.2vw, 3.3rem); line-height: 1.04; }
h3 { font-size: 1.16rem; letter-spacing: -0.02em; line-height: 1.3; }
p { margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--jade);
}
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 0 4px rgba(94, 240, 210, 0.15), 0 0 14px var(--jade); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px); align-items: center;
  padding-block: clamp(56px, 9vw, 112px) clamp(40px, 6vw, 72px);
}
.hero-copy { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.lede { font-size: clamp(1.04rem, 1.4vw, 1.18rem); color: var(--fg-2); max-width: 36em; line-height: 1.65; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts {
  display: grid; grid-template-columns: repeat(3, auto); gap: 14px 32px; justify-content: start;
  margin: 8px 0 0; padding-top: 24px; border-top: 1px solid var(--line);
}
.hero-facts dt { font-family: var(--f-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.hero-facts dd { margin: 4px 0 0; font-size: 0.92rem; color: var(--fg); }

.hero-visual { aspect-ratio: 1 / 1; max-width: 100%; overflow: hidden; border-radius: 28px; min-width: 0; }
#radar { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hv-legend {
  position: absolute; top: 18px; left: 18px; right: 18px;
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  font-family: var(--f-mono); font-size: 0.7rem; color: var(--fg-2);
}
.hv-legend span { display: inline-flex; align-items: center; gap: 6px; }
.hv-legend i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); }
.hv-rings { position: absolute; right: 18px; bottom: 18px; display: none; }
.hv-card {
  position: absolute; left: 18px; bottom: 18px; width: min(300px, calc(100% - 36px));
  padding: 16px 18px; border-radius: var(--r-md);
}
.hv-card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tag {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--jade); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em;
}
.hv-addr { margin-top: 10px; font-weight: 500; letter-spacing: -0.01em; }
.hv-stats { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.hv-stats li { display: grid; grid-template-columns: 64px 1fr; gap: 10px; align-items: baseline; font-size: 0.84rem; color: var(--fg-2); }
.hv-stats .mono { color: var(--fg); font-variant-numeric: tabular-nums; }

/* ---------- strip ---------- */
.strip {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  padding-block: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.strip-label { color: var(--muted); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.7rem; }
.markets { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 34px; }
.markets li { font-size: 1.05rem; color: var(--fg-2); letter-spacing: -0.01em; }
.markets li:first-child { color: var(--fg); }

/* ---------- sections ---------- */
.section { padding-block: clamp(80px, 11vw, 140px) 0; }
.section-head { display: flex; flex-direction: column; gap: 20px; max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-lede { color: var(--fg-2); font-size: 1.06rem; max-width: 40em; }

/* data layers */
.layers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.layer { padding: 26px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; transition: border-color 0.3s, transform 0.3s; }
.layer::before {
  content: ""; position: absolute; width: 220px; height: 220px; right: -90px; top: -90px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c) 30%, transparent), transparent 65%);
  opacity: 0.55; transition: opacity 0.3s; pointer-events: none;
}
.layer:hover { border-color: color-mix(in srgb, var(--c) 40%, transparent); transform: translateY(-2px); }
.layer:hover::before { opacity: 1; }
.layer-top { display: flex; align-items: center; gap: 10px; color: var(--c); }
.layer-top svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.layer-top .mono { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.7rem; }
.layer h3 { margin-top: 6px; }
.layer p { color: var(--fg-2); font-size: 0.94rem; }

/* pipeline */
.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; position: relative; }
.stage { padding: 30px 28px 28px; display: flex; flex-direction: column; gap: 14px; }
.stage-num {
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px;
  border: 1px solid var(--line-2); color: var(--jade);
  background: rgba(94, 240, 210, 0.06);
  font-size: 0.82rem;
}
.stage:nth-child(2) .stage-num { color: #7cc4ff; background: rgba(124, 196, 255, 0.06); }
.stage:nth-child(3) .stage-num { color: var(--lilac); background: rgba(156, 139, 255, 0.07); }
.stage > p { color: var(--fg-2); font-size: 0.95rem; }
.ticks { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 22px; color: var(--fg-2); font-size: 0.9rem; line-height: 1.5; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 0.55em; width: 9px; height: 5px; border-left: 1.5px solid var(--jade); border-bottom: 1.5px solid var(--jade); transform: rotate(-45deg); }
.deliverable { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); color: var(--fg); display: flex; gap: 10px; flex-wrap: wrap; }
.deliverable span { color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.68rem; padding-top: 1px; }
@media (min-width: 981px) {
  .stage:not(:last-child)::after {
    content: ""; position: absolute; top: 52px; right: -17px; width: 18px; height: 1px;
    background: linear-gradient(90deg, var(--line-2), var(--jade));
  }
}

/* agent */
.agent-sec { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.agent-copy { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.agent-points { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.agent-points li { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--fg-2); font-size: 0.94rem; }
.agent-points .mono { color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.68rem; padding-top: 3px; }

.chat { padding: 0 0 22px; overflow: hidden; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.chat-bar { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--muted); }
.chat-bar .tag { margin-left: auto; }
.chat-dots { display: inline-flex; gap: 6px; }
.chat-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); }
.msg { margin-inline: 18px; padding: 14px 16px; border-radius: 16px; font-size: 0.94rem; line-height: 1.55; }
.msg.user { align-self: flex-end; max-width: 84%; background: linear-gradient(135deg, rgba(94, 240, 210, 0.16), rgba(124, 196, 255, 0.12)); border: 1px solid rgba(94, 240, 210, 0.22); border-bottom-right-radius: 6px; }
.msg.tool { background: rgba(0, 0, 0, 0.25); border: 1px dashed var(--line-2); color: var(--fg-2); display: grid; gap: 4px; font-size: 0.74rem; overflow-x: auto; }
.msg.tool p { white-space: pre; }
.t-ok { color: var(--jade); }
.msg.bot { background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line); border-bottom-left-radius: 6px; display: grid; gap: 12px; max-width: 94%; }
.msg.bot strong { color: var(--fg); font-weight: 600; }
.results { list-style: none; margin: 0; padding: 0; counter-reset: r; display: grid; gap: 6px; }
.results li {
  counter-increment: r; display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 10px; align-items: baseline;
  padding: 8px 10px; border-radius: 10px; background: rgba(255, 255, 255, 0.03);
}
.results li::before { content: counter(r); font-family: var(--f-mono); font-size: 0.72rem; color: var(--jade); }
.results .mono { color: var(--muted); font-size: 0.72rem; text-align: right; }
@media (max-width: 520px) {
  .results li { grid-template-columns: 22px minmax(0, 1fr); }
  .results .mono { grid-column: 2; text-align: left; }
}

/* teams */
.teams { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.team { padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.team p { color: var(--fg-2); font-size: 0.93rem; }
.principles { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); }
.principles div { display: grid; gap: 6px; }
.principles .mono { color: var(--jade); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.7rem; }
.principles p { color: var(--fg-2); font-size: 0.93rem; }

/* demo */
.demo-sec { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.demo-copy { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 120px; min-width: 0; }
.demo-steps { list-style: none; margin: 8px 0 0; padding: 0; display: grid; border-top: 1px solid var(--line); }
.demo-steps li { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--fg-2); font-size: 0.94rem; }
.demo-steps .mono { color: var(--jade); padding-top: 2px; }

.demo-form { padding: clamp(22px, 3vw, 34px); display: flex; flex-direction: column; gap: 18px; border-radius: 26px; }
.demo-form::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(94, 240, 210, 0.5), transparent 35%, transparent 65%, rgba(156, 139, 255, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field > span, .field legend { font-size: 0.82rem; color: var(--fg-2); padding: 0; }
.opt { font-style: normal; color: var(--muted); font-size: 0.74rem; margin-left: 4px; }
.field input, .field select, .field textarea {
  width: 100%; min-width: 0;
  padding: 12px 14px;
  font: 400 0.95rem/1.4 var(--f-display);
  color: var(--fg);
  background: rgba(3, 6, 12, 0.5);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  appearance: none; -webkit-appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%237d8a9c' stroke-width='1.5'><path d='M1 1.5l5 5 5-5'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}
.field select option { background: var(--ink-2); color: var(--fg); }
.field textarea { resize: vertical; min-height: 92px; }
.field input::placeholder, .field textarea::placeholder { color: #566275; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: rgba(94, 240, 210, 0.6); background: rgba(3, 6, 12, 0.7);
  box-shadow: 0 0 0 4px rgba(94, 240, 210, 0.12);
}
.field .invalid, .field input.invalid, .field select.invalid { border-color: rgba(255, 122, 147, 0.7); }
.field legend { margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px;
  border: 1px solid var(--line-2); font-size: 0.86rem; color: var(--fg-2); background: rgba(255, 255, 255, 0.025);
  transition: all 0.2s;
}
.chip span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--muted); transition: all 0.2s; }
.chip input:checked + span { color: var(--fg); border-color: rgba(94, 240, 210, 0.55); background: rgba(94, 240, 210, 0.09); }
.chip input:checked + span::before { background: var(--jade); border-color: var(--jade); box-shadow: 0 0 8px var(--jade); }
.chip input:focus-visible + span { outline: 2px solid var(--jade); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.4em; font-size: 0.9rem; color: var(--fg-2); }
.form-status.ok { color: var(--jade); }
.form-status.err { color: var(--heal); }
.form-note { font-size: 0.78rem; color: var(--muted); margin-top: -8px; }

.form-done { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; padding-block: 24px; }
.form-done .check {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(94, 240, 210, 0.12); border: 1px solid rgba(94, 240, 210, 0.45); color: var(--jade);
  box-shadow: 0 0 30px rgba(94, 240, 210, 0.25);
}
.form-done h3 { font-size: 1.5rem; }
.form-done p { color: var(--fg-2); }

/* footer */
.footer { margin-top: clamp(96px, 12vw, 160px); padding-block: 48px 40px; border-top: 1px solid var(--line); }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.footer-top > p { font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-left: auto; }
.footer-links a { color: var(--fg-2); font-size: 0.9rem; }
.footer-links a:hover { color: var(--fg); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.86rem; color: var(--fg-2); }

/* entrance */
.reveal { opacity: 1; transform: none; }
.js .reveal-pending { opacity: 0; transform: translateY(14px); }
.js .reveal-in { opacity: 1; transform: none; transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.7,.2,1); }
@media (prefers-reduced-motion: reduce) { .js .reveal-pending { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero, .agent-sec, .demo-sec { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { max-width: 560px; width: 100%; justify-self: center; }
  .layers, .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pipeline .stage:last-child { grid-column: 1 / -1; }
  .teams { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-copy { position: static; }
}
@media (max-width: 640px) {
  .layers, .pipeline, .teams, .principles, .field-row { grid-template-columns: minmax(0, 1fr); }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  .hero-facts div:last-child { grid-column: 1 / -1; }
  .hv-legend { font-size: 0.64rem; gap: 4px 10px; }
  .hv-card { padding: 12px 14px; }
  .hv-stats li { font-size: 0.78rem; grid-template-columns: 56px 1fr; }
  .agent-points li, .demo-steps li { grid-template-columns: 76px 1fr; }
  .msg.user { max-width: 92%; }
  .footer-links { margin-left: 0; }
  .nav { padding-left: 14px; }
}
@media (max-width: 420px) {
  .hv-card .hv-stats li:nth-child(n+3) { display: none; }
}