:root {
  color-scheme: light;
  --ink: #171614;
  --muted: #5d5750;
  --paper: #f6f2eb;
  --panel: #fffaf2;
  --line: rgba(35, 30, 25, 0.16);
  --night: #10100f;
  --night-soft: #1d1916;
  --cream: #fbf6ed;
  --gold: #c58b45;
  --gold-strong: #f1bd77;
  --green: #8eb58d;
  --radius: 8px;
  --max: 1180px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 64px);
  color: #fff8ef;
  background: linear-gradient(to bottom, rgba(14, 12, 11, 0.72), rgba(14, 12, 11, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 248, 239, 0.78);
  border-radius: 50%;
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 5px;
  width: 2px;
  background: currentColor;
  border-radius: 2px;
}

.brand-mark::before {
  left: 7px;
}

.brand-mark::after {
  right: 7px;
}

.nav-links {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
  font-size: 15px;
  color: rgba(255, 248, 239, 0.88);
}

.nav-links a {
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  border-color: currentColor;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(440px, 1.18fr);
  align-items: center;
  gap: clamp(28px, 4vw, 72px);
  padding: 118px clamp(20px, 5vw, 64px) 52px;
  background:
    radial-gradient(circle at 92% 12%, rgba(241, 189, 119, 0.22), transparent 28%),
    linear-gradient(120deg, #161412 0%, #211b16 52%, #100f0e 100%);
  color: #fff8ef;
  overflow: hidden;
}

.hero-copy {
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.prelaunch,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold-strong);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.hero h1,
.section h2,
.download-panel h2 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  line-height: 0.98;
}

.hero h1 {
  margin: 0;
  font-size: clamp(54px, 7vw, 100px);
  max-width: 760px;
}

.hero-lede {
  margin: 28px 0 0;
  color: rgba(255, 248, 239, 0.82);
  font-size: clamp(18px, 2vw, 23px);
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #fff7ec;
  color: #151311;
}

.button-secondary {
  border-color: rgba(255, 248, 239, 0.36);
  color: #fff8ef;
}

.hero-visual {
  margin: 0;
  justify-self: end;
  width: min(100%, 820px);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 1.27 / 1;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 248, 239, 0.12);
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}

.feature-strip article {
  min-height: 170px;
  padding: 36px clamp(24px, 4vw, 54px);
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 24px;
  align-content: center;
  border-right: 1px solid var(--line);
}

.feature-strip article:last-child {
  border-right: 0;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(33, 29, 25, 0.28);
  border-radius: 8px;
  color: transparent;
  position: relative;
}

.feature-icon::before {
  content: "";
  width: 22px;
  height: 22px;
  border: 2px solid #2a251f;
  border-radius: 5px;
}

.feature-strip article:nth-child(2) .feature-icon::before {
  width: 28px;
  height: 24px;
  border-width: 0 2px;
  border-radius: 0;
  box-shadow: -9px 4px 0 -7px #2a251f, 9px -4px 0 -7px #2a251f;
}

.feature-strip article:nth-child(3) .feature-icon::before {
  transform: rotate(45deg);
  border-radius: 2px;
}

.feature-strip h2 {
  grid-column: 2;
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.2;
}

.feature-strip p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
}

.section {
  padding: clamp(74px, 9vw, 124px) clamp(20px, 5vw, 64px);
  max-width: var(--max);
  margin: 0 auto;
}

.section h2,
.download-panel h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 70px);
}

.section > p {
  max-width: 820px;
  font-size: 21px;
  color: rgba(255, 248, 239, 0.78);
}

.section-dark {
  max-width: none;
  background: var(--night);
  color: #fff8ef;
  padding-left: max(clamp(20px, 5vw, 64px), calc((100vw - var(--max)) / 2));
  padding-right: max(clamp(20px, 5vw, 64px), calc((100vw - var(--max)) / 2));
}

.promise-grid,
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 46px;
}

.promise-grid div,
.steps article,
.download-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 242, 0.76);
  padding: 28px;
}

.promise-grid div {
  background: rgba(255, 248, 239, 0.06);
  border-color: rgba(255, 248, 239, 0.14);
}

.promise-grid h3,
.steps h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.promise-grid p,
.steps p,
.model-copy p,
.download-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.promise-grid p {
  color: rgba(255, 248, 239, 0.72);
}

.steps article span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--night);
  color: var(--cream);
  font-weight: 800;
}

.section-split {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: start;
}

.model-copy {
  display: grid;
  gap: 18px;
  padding-top: 10px;
}

.download-section {
  padding-top: 0;
}

.download-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 34px;
  align-items: center;
  background: var(--night-soft);
  color: #fff8ef;
  border-color: rgba(255, 248, 239, 0.14);
}

.download-panel p {
  color: rgba(255, 248, 239, 0.74);
  max-width: 790px;
  margin-top: 22px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 112px;
  }

  .hero-visual {
    justify-self: start;
  }

  .feature-strip,
  .promise-grid,
  .steps,
  .section-split,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .feature-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand {
    font-size: 21px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 38px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .button,
  .hero-actions {
    width: 100%;
  }

  .feature-strip article {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feature-strip h2,
  .feature-strip p {
    grid-column: auto;
  }
}