:root {
  --ink: #171a17;
  --ink-soft: #2a2e29;
  --paper: #efede4;
  --paper-high: #f8f7f2;
  --copper: #b5502e;
  --copper-dark: #923f22;
  --menu-green: #2f3c2e;
  --stone: #8c887c;
  --stone-light: #cfcabe;
  --line: #d9d5c8;
  --radius: 3px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--copper);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand:hover {
  text-decoration: none;
}
.site-header nav a {
  color: var(--stone);
  font-size: 0.92rem;
  margin-left: 18px;
}

/* ---- Hero ---- */
.hero {
  padding: 56px 0 40px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 4.5vw, 2.9rem);
  line-height: 1.15;
  max-width: 14ch;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.hero p {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---- Catalog: menu-style list ---- */
.menu-list {
  border-top: 1px solid var(--line);
  margin: 8px 0 64px;
}
.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.menu-item__info {
  flex: 1;
}
.menu-item__name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0 0 4px;
}
.menu-item__name a {
  color: var(--ink);
}
.menu-item__name a:hover {
  color: var(--copper);
  text-decoration: none;
}
.menu-item__tagline {
  color: var(--stone);
  font-size: 0.95rem;
  margin: 0;
}
.menu-item__price {
  font-family: var(--serif);
  font-size: 1.15rem;
  white-space: nowrap;
  color: var(--ink);
  text-align: right;
}
.menu-item__price small {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--stone);
  font-weight: 400;
  margin-top: 2px;
}
.empty-state {
  padding: 48px 0;
  color: var(--stone);
  border-bottom: 1px solid var(--line);
}

/* ---- App detail ---- */
.app-detail {
  padding: 48px 0 72px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
}
.app-detail__name {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 500;
  margin: 0 0 6px;
  line-height: 1.1;
}
.app-detail__tagline {
  color: var(--stone);
  font-size: 1.05rem;
  margin: 0 0 28px;
}
.app-detail__description {
  max-width: 62ch;
  white-space: pre-line;
}
.app-detail__links {
  margin-top: 24px;
  font-size: 0.92rem;
}
.app-detail__links a {
  color: var(--menu-green);
}

.buy-box {
  border: 1px solid var(--line);
  background: var(--paper-high);
  padding: 28px;
  border-radius: var(--radius);
  align-self: start;
}
.buy-box__price {
  font-family: var(--serif);
  font-size: 2rem;
  margin: 0 0 2px;
}
.buy-box__billing {
  color: var(--stone);
  font-size: 0.85rem;
  margin: 0 0 22px;
}
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--stone-light);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 0.98rem;
  background: #fff;
}
.field input:focus-visible {
  border-color: var(--copper);
}
.field-error {
  color: var(--copper-dark);
  font-size: 0.82rem;
  margin: -8px 0 14px;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: var(--radius);
  padding: 13px 22px;
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--copper);
  color: #fff;
  width: 100%;
}
.btn-primary:hover {
  background: var(--copper-dark);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--stone-light);
}

.note {
  font-size: 0.8rem;
  color: var(--stone);
  margin-top: 14px;
}

/* ---- Status pages ---- */
.status-page {
  padding: 96px 0;
  text-align: center;
}
.status-page h1 {
  font-family: var(--serif);
  font-size: 2.1rem;
  margin-bottom: 10px;
}
.status-page p {
  color: var(--stone);
  margin-bottom: 28px;
}
.status-icon {
  font-size: 2.6rem;
  margin-bottom: 18px;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--stone);
  font-size: 0.85rem;
}

@media (max-width: 680px) {
  .app-detail {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .menu-item {
    flex-direction: column;
    gap: 6px;
  }
  .menu-item__price {
    text-align: left;
  }
}