/* Direction A — "Product, dark". Tokens first; light theme is the same system inverted.
   Contrast (computed): dark text 16.8:1, muted 7.1:1, accent 10.7:1;
   light text 17.3:1, muted 5.9:1, accent 5.4:1.
   Chat widget: text/panel-2 14.9 · 16.4, muted/panel-2 6.2 · 5.6, accent/panel 10.1 · 5.8, on-accent/accent 10.7 · 5.8 (dark · light). */

@font-face {
  font-family: "Instrument Serif";
  src: url("/fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0b0b0c;
  --panel: #141416;
  --panel-2: #1a1a1d;
  --text: #ededef;
  --muted: #9a9aa3;
  --accent: #f2b544;
  --accent-rgb: 242 181 68;
  --line: rgb(255 255 255 / 0.1);
  --line-strong: rgb(255 255 255 / 0.18);
  --dot: rgb(255 255 255 / 0.07);
  --glass: rgb(11 11 12 / 0.72);
  --shadow: 0 30px 60px rgb(0 0 0 / 0.55);
  --on-accent: #0b0b0c;
  --online: #3ddc84;
  --hero-fallback: radial-gradient(60% 50% at 30% 70%, rgb(var(--accent-rgb) / 0.18), transparent 70%),
                   radial-gradient(50% 40% at 80% 20%, rgb(255 255 255 / 0.06), transparent 70%);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f6f6f7;
  --panel: #ffffff;
  --panel-2: #f0f0f2;
  --text: #121214;
  --muted: #5f5f68;
  --accent: #9a5300;
  --accent-rgb: 154 83 0;
  --line: rgb(0 0 0 / 0.1);
  --line-strong: rgb(0 0 0 / 0.16);
  --dot: rgb(0 0 0 / 0.08);
  --glass: rgb(255 255 255 / 0.78);
  --shadow: 0 30px 60px rgb(0 0 0 / 0.18);
  --on-accent: #ffffff;
  --online: #1a8a4a;
  color-scheme: light;
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 clamp(1rem, 0.95rem + 0.25vw, 1.0625rem)/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
b { font-weight: 600; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-thickness 0.2s var(--ease);
}
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
[id] { scroll-margin-top: 3.5rem; }

.muted { color: var(--muted); }
.small { font-size: 0.875em; }

.eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 0.75em;
  vertical-align: 1px;
}

h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  font-size: clamp(2.75rem, 2rem + 4vw, 5rem);
  line-height: 1;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.125rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.wrap {
  width: min(100% - 2rem, 68rem);
  margin-inline: auto;
}

.skip {
  position: absolute; top: 0; left: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 0 0 8px 8px;
  transform: translateY(-120%);
  z-index: 100;
}
.skip:focus { transform: none; }

.btn {
  font: inherit;
  font-size: 0.875rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover {
  border-color: rgb(var(--accent-rgb) / 0.5);
  box-shadow: inset 0 0 18px rgb(var(--accent-rgb) / 0.12);
}

/* ---------- top bar ---------- */

.bar {
  position: fixed; inset: 0 0 auto 0;
  z-index: 20;
  display: flex; align-items: center; gap: 1.5rem;
  height: 3.25rem;
  padding-inline: clamp(1rem, 3vw, 2rem);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
}
.bar__brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.bar__nav { display: flex; gap: 1.25rem; margin-left: auto; }
.bar__nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.bar__nav a:hover { color: var(--text); }
.bar__theme {
  display: grid; place-items: center;
  width: 2rem; height: 2rem;
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.bar__theme:hover {
  border-color: rgb(var(--accent-rgb) / 0.5);
  box-shadow: inset 0 0 12px rgb(var(--accent-rgb) / 0.15);
}
.ico--sun, [data-theme="light"] .ico--moon { display: none; }
[data-theme="light"] .ico--sun { display: block; }

@media (max-width: 480px) {
  .bar__nav { display: none; }
  .bar__theme { margin-left: auto; }
}

/* ---------- hero / map ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: 5rem clamp(1rem, 3vw, 2rem) clamp(2.75rem, 4vw, 3rem); /* bottom clears the map attribution control */
  background: var(--hero-fallback), var(--bg);
  overflow: hidden;
}
.hero__map {
  position: absolute; inset: 0;
  pointer-events: none;                /* scroll passes through until "Explore map" */
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}
.hero.is-live .hero__map { opacity: 1; }
.hero:not(.is-live) .hero__map { visibility: hidden; } /* keeps the pins out of the tab order until there is a map */
.hero.is-exploring .hero__map { pointer-events: auto; }

.hero__panel {
  position: relative;
  z-index: 2;
  max-width: 40rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--glass);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.hero.is-exploring .hero__panel { opacity: 0; transform: translateY(8px); }
.hero__panel h1 { margin-bottom: 1rem; }
.hero__lede { max-width: 34rem; margin-bottom: 1.25rem; }
.hero__caption {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}
.hero__explore {
  position: absolute;
  right: clamp(1rem, 3vw, 2rem);
  top: 4.5rem;
  z-index: 3;
  font: inherit; font-size: 0.8125rem;
  padding: 0.5rem 0.875rem;
  color: var(--text);
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.hero__explore:hover {
  border-color: rgb(var(--accent-rgb) / 0.6);
  box-shadow: inset 0 0 16px rgb(var(--accent-rgb) / 0.15);
}

.links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }

/* Map chrome: pins, popups, attribution. Pins stay clickable while the map is inert. */
.pin {
  pointer-events: auto;
  width: 14px; height: 14px;
  padding: 0;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgb(var(--accent-rgb) / 0.25);
  cursor: pointer;
  transition: box-shadow 0.25s var(--ease);
}
.pin:hover, .pin:focus-visible { box-shadow: 0 0 0 8px rgb(var(--accent-rgb) / 0.3); }
.maplibregl-map { font: inherit; } /* MapLibre sets 12px Helvetica on the container */
.maplibregl-canvas:focus-visible { outline-offset: -3px; } /* the canvas fills a clipped box */
.maplibregl-popup { pointer-events: auto; max-width: 240px; }
.maplibregl-popup-tip { display: none; }
.maplibregl-popup-content {
  font: inherit;
  color: var(--text);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 0.75rem 2rem 0.75rem 0.875rem;
  box-shadow: 0 12px 30px rgb(0 0 0 / 0.35);
  line-height: 1.4;
}
.maplibregl-popup-content b { display: block; }
.maplibregl-popup-content small { display: block; margin-top: 0.25rem; color: var(--muted); font-size: 0.75rem; }
.maplibregl-popup-close-button {
  color: var(--muted);
  font-size: 1.125rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}
.maplibregl-popup-close-button:hover { background: var(--line); color: var(--text); }
.maplibregl-ctrl-attrib {
  background: var(--glass) !important;
  color: var(--muted);
  font-size: 0.6875rem;
  pointer-events: auto;
}
.maplibregl-ctrl-attrib.maplibregl-compact,
.maplibregl-ctrl-attrib a { color: var(--muted); }
.maplibregl-ctrl-attrib a:hover { color: var(--text); }
.maplibregl-ctrl-bottom-right { z-index: 3; }

/* ---------- sections ---------- */

main {
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 24px 24px;
}
.sec { padding-block: clamp(4rem, 10vw, 7rem); }
.sec + .sec { border-top: 1px solid var(--line); }
.sec--split { padding-block: 0; }
.half { padding-block: clamp(3rem, 6vw, 5rem); }
.half + .half { border-top: 1px solid var(--line); }

.grid {
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.grid--tight { gap: 0 clamp(2rem, 5vw, 5rem); }
@media (min-width: 800px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .grid--tight .half + .half { border-top: 0; border-left: 1px solid var(--line); padding-left: clamp(2rem, 5vw, 5rem); }
}
.col p + p { margin-top: 1rem; }
.col--chat { display: grid; justify-items: center; gap: 1rem; }

.prose { max-width: 46rem; }
.prose p + p { margin-top: 1rem; }
.plain li + li { margin-top: 0.5rem; }
.plain { margin-bottom: 1.25rem; }

/* Stat tiles: gradient hairline via two backgrounds on a transparent border. */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1rem;
  margin-block: 0.5rem 2.5rem;
}
.stat {
  display: grid; gap: 0.375rem;
  padding: 1.5rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    linear-gradient(135deg, var(--line-strong), rgb(var(--accent-rgb) / 0.35), var(--line)) border-box;
  transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.stat:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 40px rgb(var(--accent-rgb) / 0.08), 0 12px 30px rgb(0 0 0 / 0.25);
}
.stat__n {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat__l { color: var(--muted); font-size: 0.875rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}
.card {
  padding: 1.25rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card:hover {
  border-color: var(--line-strong);
  box-shadow: inset 0 0 40px rgb(var(--accent-rgb) / 0.06);
}
.card b { display: block; margin-bottom: 0.25rem; }

/* ---------- Sarah web chat ---------- */

.chat {
  width: min(380px, 100%);
  height: min(560px, 80vh);
  height: min(560px, 80svh);
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  font-size: 0.875rem;
}
.chat__head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.chat__avatar {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700;
}
.chat__who { display: grid; line-height: 1.25; }
.chat__who span { color: var(--muted); font-size: 0.75rem; }
.chat__online {
  margin-left: auto;
  display: flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 0.75rem;
}
.chat__online::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--online);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--online) 25%, transparent);
}
.chat__bar {
  display: flex; gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  pointer-events: none;                /* decorative: the demo is scripted */
}
.chat__input {
  flex: 1; min-width: 0;
  font: inherit;
  padding: 8px 14px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.chat__input::placeholder { color: var(--muted); opacity: 1; }
.chat__ask {
  font: inherit; font-weight: 600;
  padding: 8px 16px;
  color: var(--on-accent);
  background: var(--accent);
  border: 0;
  border-radius: 999px;
}

.thread {
  flex: 1;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 12px;
  scrollbar-width: none;
}
.thread::-webkit-scrollbar { display: none; }
.msg {
  max-width: 88%;
  padding: 8px 12px;
  border-radius: 14px 14px 14px 4px;
  line-height: 1.45;
  background: var(--panel-2);
  align-self: flex-start;
  animation: pop 0.25s var(--ease);
}
.msg p + p, .msg p + .listings, .msg .listings + p { margin-top: 8px; }
.msg--user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 14px 14px 4px 14px;
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Quick-reply chip: appears, highlights, then becomes the user bubble. */
.chips { align-self: flex-end; animation: pop 0.25s var(--ease); }
.chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid rgb(var(--accent-rgb) / 0.6);
  border-radius: 999px;
  color: var(--accent);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.chip.is-on { background: var(--accent); color: var(--on-accent); }

/* Listing cards inside a Sarah turn. */
.listings { display: grid; gap: 8px; }
.listing {
  display: grid; gap: 2px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}
.listing span { color: var(--muted); font-size: 0.8125rem; }
.listing .listing__price { color: var(--text); font-weight: 600; }
.listing__price em {
  font-style: normal; font-weight: 500;
  margin-left: 8px;
  padding: 1px 8px;
  border: 1px solid rgb(var(--accent-rgb) / 0.5);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.6875rem;
}
.listing small { color: var(--muted); font-size: 0.6875rem; }
.listing__map { justify-self: start; margin-top: 4px; font-size: 0.8125rem; }

.typing { display: flex; gap: 4px; padding: 12px 14px; }
.typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--muted);
  animation: dot 1s infinite;
}
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }

@keyframes pop { from { opacity: 0; transform: translateY(6px); } }
@keyframes dot { 0%, 60%, 100% { opacity: 0.35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

/* ---------- reveals ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- footer ---------- */

.foot { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.foot__row {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  justify-content: space-between; align-items: center;
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .stat:hover { transform: none; }
}