@font-face {
  font-family: "Inter";
  src: url("fonts/inter-var.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f6f7f5;
  --panel: #fff;
  --ink: #101511;
  --ink-2: #4a5450;
  --ink-3: #66716c;
  --line: rgba(16, 21, 17, 0.1);
  --accent: #08786a;
  --accent-bright: #2dd4bf;
  --accent-dim: rgba(8, 120, 106, 0.1);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -10%, rgba(45, 212, 191, 0.12), transparent 34rem),
    var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
}

.wrap {
  width: min(100% - 40px, 920px);
  margin-inline: auto;
}

.mono {
  color: var(--accent);
  font: 700 11px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 245, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

nav .nav-inner {
  display: flex;
  align-items: center;
  width: min(100% - 40px, 1120px);
  height: 68px;
  margin-inline: auto;
  gap: 24px;
}

nav img {
  display: block;
  height: 28px;
}

nav .nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

nav .nav-links a {
  color: var(--ink-2);
  font: 650 10.5px/1 var(--mono);
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

nav .nav-links a:hover {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  font: 700 11px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

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

.btn.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(8, 120, 106, 0.22);
}

.btn.primary:hover {
  background: #06695d;
  color: #fff;
}

.page-hero {
  padding: 82px 0 40px;
}

.page-hero h1 {
  max-width: 18ch;
  margin: 16px 0;
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.page-hero .lede {
  max-width: 64ch;
  color: var(--ink-2);
  font-size: 18px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 48px;
  align-items: start;
  padding: 20px 0 88px;
}

.prose {
  min-width: 0;
}

.prose h2 {
  margin: 44px 0 12px;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin: 26px 0 8px;
  font-size: 17px;
}

.prose p,
.prose li {
  color: var(--ink-2);
}

.prose p {
  margin: 12px 0;
}

.prose ul,
.prose ol {
  margin: 12px 0;
  padding-left: 22px;
}

.prose li + li {
  margin-top: 7px;
}

.prose strong {
  color: var(--ink);
}

.side-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 50px rgba(16, 21, 17, 0.06);
}

.side-card {
  position: sticky;
  top: 92px;
  padding: 22px;
}

.side-card p {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 13.5px;
}

.side-card a {
  display: block;
  margin-top: 14px;
  font-size: 14px;
}

.panel {
  padding: clamp(24px, 5vw, 44px);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 7px 10px;
  border: 1px solid rgba(8, 120, 106, 0.22);
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.purchase-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr);
  gap: 28px;
  padding: 20px 0 88px;
}

.price {
  margin: 14px 0 2px;
  font-size: 52px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: -0.05em;
}

.price-note {
  color: var(--ink-3);
  font-size: 13px;
}

.check-list {
  margin: 26px 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--accent);
  content: "✓";
  font-weight: 800;
}

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

form {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

label,
legend {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid rgba(16, 21, 17, 0.18);
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note {
  color: var(--ink-3);
  font-size: 12.5px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 44px;
}

footer .footer-inner {
  display: flex;
  align-items: center;
  width: min(100% - 40px, 1120px);
  margin-inline: auto;
  gap: 18px;
  flex-wrap: wrap;
}

footer img {
  height: 18px;
}

footer p,
footer a {
  color: var(--ink-3);
  font-size: 12.5px;
  text-decoration: none;
}

footer .footer-links {
  display: flex;
  gap: 14px;
  margin-left: auto;
  flex-wrap: wrap;
}

footer a:hover {
  color: var(--accent);
}

@media (max-width: 760px) {
  nav .nav-links a:not(.btn) {
    display: none;
  }

  .page-hero {
    padding-top: 58px;
  }

  .page-layout,
  .purchase-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .side-card {
    position: static;
  }

  footer .footer-links {
    width: 100%;
    margin-left: 0;
  }
}

@media (max-width: 420px) {
  nav .nav-inner {
    width: min(100% - 28px, 1120px);
  }

  nav img {
    height: 24px;
  }

  nav .btn {
    padding-inline: 14px;
  }

  .wrap {
    width: min(100% - 28px, 920px);
  }

  .action-row .btn {
    width: 100%;
  }
}