:root {
  --ink: #e8e6e1;
  --ink-dim: rgba(232, 230, 225, 0.68);
  --paper: #131311;
  --panel: #1c1c18;
  --line: #2c2b28;
  --accent: #8fa89a;
  --accent-deep: #3d5a4c;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

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

body {
  position: relative;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.5;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(61, 90, 76, 0.38), transparent 55%),
    radial-gradient(700px 420px at 92% 8%, rgba(143, 168, 154, 0.16), transparent 50%),
    linear-gradient(180deg, #161614 0%, var(--paper) 55%, #0f0f0d 100%);
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem);
}

.mark {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
}

nav a,
footer a,
.product a {
  color: var(--ink-dim);
  text-decoration: none;
  text-underline-offset: 3px;
}

nav a:hover,
footer a:hover,
.product a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.hero {
  min-height: min(72vh, 720px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(3rem, 12vh, 7rem) clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
  max-width: 920px;
}

.hero h1 {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(3.4rem, 11vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 34rem;
  font-size: 1.12rem;
  color: var(--ink-dim);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

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

.btn.primary {
  background: var(--accent);
  color: #121210;
}

.btn.primary:hover {
  background: #a4bdae;
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.btn.ghost:hover {
  border-color: var(--accent);
}

.products {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin: 0 clamp(1.25rem, 4vw, 2.5rem) 2rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.product {
  padding: 1.35rem 1.25rem 1.5rem;
  background: var(--panel);
}

.product h2 {
  margin: 0 0 0.45rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.35rem;
  font-weight: 560;
}

.product p {
  margin: 0 0 0.9rem;
  color: var(--ink-dim);
}

.product a {
  color: var(--accent);
  font-weight: 500;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}