:root {
  color-scheme: light;
  --ink: #1a1a1a;
  --muted: #6b6b67;
  --paper: #f5f2ed;
  --paper-deep: #ebe7e0;
  --surface: #ffffff;
  --line: #dcd8d1;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.site-header,
.site-footer,
main {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.product-name {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-weight: 500;
}

.mark {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  gap: 3px;
}

.mark i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}

.mark i:nth-child(-n + 3) {
  opacity: 0.28;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.85rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}

.landing-main {
  max-width: var(--max-width);
}

.product-hero {
  display: grid;
  min-height: calc(100vh - 88px);
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  align-items: center;
  gap: clamp(56px, 10vw, 128px);
  padding-block: 80px;
}

.hero-copy {
  max-width: 520px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(3.7rem, 7vw, 6.5rem);
  font-weight: 620;
  letter-spacing: -0.075em;
}

.hero-intro {
  max-width: 460px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
}

.store-button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  gap: 12px;
  padding: 9px 20px 10px;
  border: 1px solid var(--ink);
  border-radius: 14px;
  background: var(--ink);
  color: var(--paper);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.05;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.store-button:hover {
  background: transparent;
  color: var(--ink);
}

.store-button small {
  display: block;
  margin-bottom: 3px;
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.product-shot {
  width: min(100%, 390px);
  margin: 0;
  justify-self: center;
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 42px;
  background: var(--surface);
}

.feedback-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(48px, 8vw, 96px);
  padding-block: 96px;
  border-top: 1px solid var(--line);
}

.feedback-copy {
  max-width: 400px;
}

.feedback-copy h2 {
  margin-bottom: 20px;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  letter-spacing: -0.06em;
}

.feedback-copy p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.feedback-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.82rem;
  font-weight: 600;
}

.form-field label span {
  color: var(--muted);
  font-weight: 400;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.form-field input {
  min-height: 48px;
  padding: 10px 12px;
}

.form-field textarea {
  min-height: 144px;
  padding: 12px;
  resize: vertical;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.feedback-button {
  min-height: 48px;
  justify-self: start;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  transition: background-color 160ms ease, color 160ms ease;
}

.feedback-button:hover {
  background: transparent;
  color: var(--ink);
}

.feedback-button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.site-footer {
  display: flex;
  min-height: 112px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.coming-soon {
  color: #92908a;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.legal-main {
  max-width: 760px;
  padding: 84px 0 120px;
}

.legal-main h1 {
  margin-bottom: 14px;
  font-size: clamp(3rem, 7vw, 5.5rem);
}

.updated {
  margin-bottom: 60px;
  color: var(--muted);
}

.legal-main h2 {
  margin: 52px 0 18px;
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.legal-main h3 {
  margin: 30px 0 10px;
  font-size: 1.05rem;
}

.legal-main p,
.legal-main li {
  color: #44433e;
}

.legal-main li + li {
  margin-top: 10px;
}

.notice {
  margin: 34px 0;
  padding: 22px 24px;
  border-left: 3px solid var(--ink);
  background: var(--paper-deep);
}

.notice p:last-child {
  margin-bottom: 0;
}

@media (max-width: 800px) {
  .product-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 72px;
    padding-block: 72px 96px;
  }

  .hero-copy {
    max-width: 620px;
    text-align: center;
    justify-self: center;
  }

  .hero-intro {
    margin-inline: auto;
  }

  .product-shot {
    width: min(76vw, 390px);
  }

  .feedback-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header,
  .site-footer,
  main {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .site-header {
    min-height: 72px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a:last-child {
    display: none;
  }

  .product-hero {
    padding-top: 56px;
  }

  h1 {
    font-size: clamp(3.2rem, 16vw, 4.7rem);
  }

  .product-shot {
    width: min(88vw, 390px);
  }

  .product-shot img {
    border-radius: 30px;
  }

  .feedback-section {
    gap: 40px;
    padding-block: 72px;
  }

  .feedback-form {
    grid-template-columns: 1fr;
  }

  .form-field-wide {
    grid-column: auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .store-button,
  .feedback-button {
    transition: none;
  }
}