:root {
  color-scheme: dark;
  font-family: Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  color: #f7f2ec;
  background: #151311;
  --line: rgba(255, 255, 255, 0.22);
  --muted: #c9c1b8;
  --accent: #db6943;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: #151311;
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; }

.nav {
  position: fixed;
  z-index: 3;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  padding: 0 clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  transition: background-color 240ms ease, backdrop-filter 240ms ease;
}

/* Transparent over the hero, solid once there is page behind it. */
.nav.solid {
  background: rgba(21, 19, 17, 0.86);
  backdrop-filter: blur(14px);
}

.nav a { text-decoration: none; }
.brand { font-size: 18px; letter-spacing: 0.16em; }
.nav nav { display: flex; gap: clamp(20px, 3vw, 44px); color: var(--muted); }
.nav nav a { display: inline-flex; align-items: center; gap: 9px; transition: color 150ms ease; }
.icon { width: 17px; height: 17px; flex: none; fill: currentColor; }
.nav nav a:hover, .nav nav a:focus-visible { color: #fff; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 760px;
  height: 92vh;
  display: grid;
  align-items: center;
  padding: 104px clamp(24px, 7vw, 112px) 48px;
  background: #0b0d10;
}

/* The photograph drifts on its own layer so the gradients above it stay put. */
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -3%;
  background: url("hero-red-rock.jpg") center / cover no-repeat;
  background-image: image-set(
    url("hero-red-rock.avif") type("image/avif"),
    url("hero-red-rock.webp") type("image/webp"),
    url("hero-red-rock.jpg") type("image/jpeg"));
  animation: drift 34s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 13, 16, 0.93) 0%, rgba(11, 13, 16, 0.62) 42%, rgba(11, 13, 16, 0.08) 72%),
    linear-gradient(0deg, #151311 0%, rgba(21, 19, 17, 0.55) 16%, transparent 42%);
}

@keyframes drift {
  from { transform: scale(1); }
  to { transform: scale(1.08) translate3d(-1%, -1%, 0); }
}

.hero-content { width: min(660px, 100%); }
.eyebrow { margin: 0 0 24px; font-size: 13px; letter-spacing: 0.16em; color: #e6a184; }

h1, h2, h3 { margin-top: 0; font-weight: 400; line-height: 1.06; }
h1 { margin-bottom: 28px; font-size: clamp(52px, 7.2vw, 104px); letter-spacing: -0.045em; }
h2 { margin-bottom: 20px; font-size: clamp(36px, 4.2vw, 64px); letter-spacing: -0.035em; }
h3 { margin-bottom: 22px; font-size: 24px; }

.lede { max-width: 590px; margin: 0 0 40px; color: #ddd5cd; font-size: clamp(18px, 1.5vw, 22px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 52px;
  padding: 13px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #f7f2ec;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.button.primary { border-color: var(--accent); background: var(--accent); color: #160f0c; }
.button.secondary { background: rgba(12, 12, 12, 0.24); backdrop-filter: blur(6px); }
.button:hover, .button:focus-visible {
  background: #f7f2ec;
  border-color: #f7f2ec;
  color: #151311;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.36);
}

.download-menu { position: relative; }
.download-menu summary { gap: 28px; cursor: pointer; list-style: none; }
.download-menu summary::-webkit-details-marker { display: none; }
.download-menu summary span { transition: transform 200ms ease; }
.download-menu[open] summary span { transform: rotate(180deg); }
.download-options {
  position: absolute;
  z-index: 1;
  top: calc(100% + 8px);
  left: 0;
  width: 260px;
  border: 1px solid var(--line);
  background: #151311;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}
.download-options a {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.download-options a + a { border-top: 1px solid var(--line); }
.download-options a:hover, .download-options a:focus-visible { background: #f7f2ec; color: #151311; }
.download-options span { margin-left: auto; color: var(--muted); font-size: 13px; }
.download-options a:hover span, .download-options a:focus-visible span { color: #5e5751; }

/* The one place the site shows the thing itself. */
.demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 470px);
  gap: clamp(40px, 6vw, 104px);
  align-items: center;
  padding: clamp(72px, 10vw, 144px) clamp(24px, 7vw, 112px) 0;
}

.demo-copy .lede { margin-bottom: 20px; }
.stat {
  max-width: 590px;
  margin: 0 0 20px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.stat b {
  color: var(--accent);
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.stat span { flex: 1 1 260px; }

.footnote { margin: 0; color: #8a8078; font-size: 14px; }

.chat {
  border: 1px solid var(--line);
  background: #1c1916;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.chat-bar {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: #241f1b;
}

.chat-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #160f0c;
  font-size: 15px;
}

.chat-who { display: grid; line-height: 1.3; }
.chat-who b { font-weight: 500; font-size: 15px; }
.chat-who i { color: #8a8078; font-size: 12px; font-style: normal; }

.chat-body {
  min-height: 268px;
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.msg {
  max-width: 88%;
  margin: 0;
  padding: 11px 15px;
  font-size: 15px;
  line-height: 1.45;
  animation: settle 320ms ease both;
}

.msg.out {
  margin-left: auto;
  background: var(--accent);
  color: #180f0a;
}

.msg.in { border: 1px solid rgba(255, 255, 255, 0.09); background: #262119; }

.msg.work {
  display: grid;
  gap: 7px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: #8a8078;
}

.msg.work b { font-weight: 400; color: #ddd5cd; }
.msg.work b::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: var(--accent);
  animation: breathe 1.5s ease-in-out infinite;
}
.msg.work > span { color: #e6a184; overflow-wrap: anywhere; }
.msg.reply b { font-weight: 400; color: var(--accent); }

@keyframes settle {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: none; }
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.features { padding: clamp(72px, 10vw, 144px) clamp(24px, 7vw, 112px); }
.section-heading { max-width: 790px; margin-bottom: 64px; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  counter-reset: card;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  list-style: none;
}

.cards li {
  position: relative;
  min-width: 0;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  counter-increment: card;
  transition: background-color 220ms ease;
}

/* A rule that draws itself across the top of whichever card you are reading. */
.cards li::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 300ms ease;
}

.cards li:hover, .cards li:focus-within { background: rgba(219, 105, 67, 0.055); }
.cards li:hover::after, .cards li:focus-within::after { width: calc(100% + 2px); }

.cards h3::before {
  content: counter(card, decimal-leading-zero);
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.cards li p { margin: 0; color: var(--muted); }

.warning {
  margin: 0 clamp(24px, 7vw, 112px) clamp(72px, 10vw, 144px);
  padding: clamp(32px, 5vw, 72px);
  border: 1px solid #8e4b37;
  background: radial-gradient(120% 160% at 0% 0%, #2b1a14 0%, #211612 58%);
}

.warning h2 { max-width: 800px; }
.warning > p:last-child { max-width: 900px; margin: 0; color: var(--muted); font-size: 18px; }

footer {
  min-height: 92px;
  padding: 24px clamp(24px, 7vw, 112px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: #a69d94;
  font-size: 14px;
}

.footer-links { display: flex; flex-wrap: wrap; gap: clamp(16px, 2.5vw, 32px); }
footer a { text-decoration: none; transition: color 150ms ease; }
footer a:hover, footer a:focus-visible { color: #fff; }

/* Added by script, so a page without JavaScript never hides anything. */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 750ms ease, transform 750ms ease; }
.reveal.in-view { opacity: 1; transform: none; }
.cards li:nth-child(3n - 1).reveal { transition-delay: 90ms; }
.cards li:nth-child(3n).reveal { transition-delay: 180ms; }

@media (max-width: 980px) {
  .demo { grid-template-columns: 1fr; gap: 48px; }
  .chat { max-width: 470px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .cards li:nth-child(3n - 1).reveal, .cards li:nth-child(3n).reveal { transition-delay: 0ms; }
}

@media (max-width: 760px) {
  .nav { height: 64px; }
  .hero { min-height: 680px; height: auto; }
  .hero::before { background-position: 64% center; }
  .hero-content { padding-top: 60px; }
  .actions { width: 100%; }
  .cards { grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .cards li, .cards li::after, .nav { transition: none; }
  .hero::before, .msg, .msg.work b::before { animation: none; }
  .button:hover, .button:focus-visible { transform: none; box-shadow: none; }
}