:root {
  --bg: #f2eee4;
  --paper: rgba(255, 250, 241, 0.9);
  --ink: #1b1f19;
  --muted: #58635a;
  --line: rgba(27, 31, 25, 0.12);
  --accent: #a9412a;
  --accent-strong: #812c1a;
  --accent-soft: rgba(169, 65, 42, 0.12);
  --shadow: 0 24px 60px rgba(39, 28, 11, 0.14);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  background:
    radial-gradient(circle at top left, rgba(169, 65, 42, 0.18), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(92, 126, 97, 0.16), transparent 24%),
    linear-gradient(180deg, #faf5ea 0%, #f2eee4 48%, #ebe3d6 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(27, 31, 25, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 31, 25, 0.025) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 68%);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 54px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero {
  padding: 34px clamp(22px, 4vw, 48px) 36px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -40% auto;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 65, 42, 0.18), transparent 68%);
}

.eyebrow {
  margin: 0 0 10px;
  font-family: "Trebuchet MS", "Gill Sans", "Avenir Next", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3,
.button {
  font-family: "Trebuchet MS", "Gill Sans", "Avenir Next", sans-serif;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 0.95;
}

.lede {
  width: min(760px, 100%);
  margin: 18px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.7;
  color: var(--muted);
}

.hero-actions,
.browser-panel,
.section-heading {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 24px;
}

.button,
.text-link {
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    border-color 140ms ease,
    background 140ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(27, 31, 25, 0.16);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

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

.button:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.text-link {
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

main {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 24px clamp(20px, 3vw, 30px);
}

.intro-grid,
.details-grid,
.download-grid {
  display: grid;
  gap: 18px;
}

.intro-grid,
.details-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.download-card {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(252, 246, 235, 0.92));
  border: 1px solid rgba(27, 31, 25, 0.08);
}

.download-card p,
.panel p,
.steps {
  color: var(--muted);
  line-height: 1.65;
}

.steps {
  padding-left: 18px;
  margin: 12px 0 0;
}

.steps li + li {
  margin-top: 8px;
}

.browser-panel {
  gap: 18px;
}

@media (max-width: 900px) {
  .intro-grid,
  .details-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
  }

  .hero {
    padding: 24px 20px 26px;
  }
}