:root {
  --paper: #f7f6f2;
  --paper-soft: #efebe3;
  --ink: #24231f;
  --muted: #77736c;
  --muted-strong: #5d5850;
  --line: #ded8cc;
  --accent: #c84d18;
  --accent-dark: #b0410f;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(36, 35, 31, .035) 1px, transparent 1px) 0 0 / 86px 86px,
    linear-gradient(180deg, var(--paper) 0%, #fff 72%);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Header */

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 28px;
  width: min(100% - 56px, 1180px);
  margin: 0 auto;
  padding: 34px 0 0;
}

.wordmark {
  font: 400 25px/1 var(--serif);
}

.section-label {
  margin: 0;
  color: var(--muted-strong);
  font: 700 12px/1 var(--sans);
  letter-spacing: 6px;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  justify-content: flex-end;
  gap: 30px;
  color: var(--muted);
  font: 600 14px/1 var(--sans);
}

.site-header nav a {
  color: var(--muted);
}

.site-header nav a[aria-current="page"] {
  color: var(--ink);
}

.site-header nav a:hover {
  color: var(--accent);
}

/* Containers */

.page {
  width: min(100% - 48px, 680px);
  min-height: calc(100svh - 76px);
  margin: 0 auto;
  padding: 220px 0 110px;
}

.page--article {
  padding-top: 160px;
}

.center-frame {
  width: min(100% - 48px, 620px);
  min-height: calc(100svh - 76px);
  margin: 0 auto;
  padding: 190px 0 90px;
}

.home-page,
.product-page {
  width: min(100% - 56px, 1180px);
  margin: 0 auto;
  padding: 118px 0 72px;
}

/* Hero */

.intro {
  margin-bottom: 72px;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  gap: 56px;
  align-items: end;
  min-height: 410px;
  padding: 70px 0 64px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 22px;
  color: var(--accent);
  font: 700 11px/1 var(--sans);
  letter-spacing: 3px;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font: 400 48px/1.04 var(--serif);
}

.home-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(58px, 7vw, 96px);
  line-height: .92;
}

.intro p,
.about-intro p,
.home-hero > p {
  margin: 0;
  color: var(--muted);
  font: 400 24px/1.3 var(--serif);
}

.home-hero > p {
  max-width: 360px;
  padding-bottom: 7px;
}

.app-section,
.contact-section {
  margin-top: 58px;
}

h2 {
  margin: 0 0 28px;
  color: var(--muted-strong);
  font: 700 12px/1 var(--sans);
  letter-spacing: 6px;
  text-transform: uppercase;
}

.section-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
  margin: 0 0 28px;
}

.section-row h2 {
  margin: 0;
}

.section-row span {
  color: var(--muted);
  font: 700 11px/1 var(--sans);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* App catalog */

.home-app-section {
  margin-top: 48px;
}

.featured-app {
  display: grid;
  grid-template-columns: minmax(280px, .95fr) minmax(320px, 1.05fr);
  gap: 24px 54px;
  align-items: start;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .72);
  padding: 34px;
}

.featured-app-main {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  align-items: start;
  margin: 0;
}

.featured-app-main img {
  width: 76px;
  height: 76px;
  object-fit: contain;
  opacity: .82;
  filter: blur(.25px) saturate(.78) contrast(.86);
  mix-blend-mode: multiply;
}

.featured-app-main strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font: 400 54px/.92 var(--serif);
}

.featured-app-main small {
  display: block;
  color: var(--muted);
  font: 400 18px/1.35 var(--serif);
}

.featured-app p {
  grid-column: 2;
  margin: 3px 0 0;
  color: var(--muted);
  font: 400 24px/1.28 var(--serif);
}

.app-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  grid-column: 2;
  margin: 0;
}

.app-facts div {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.app-facts dt {
  margin: 0 0 7px;
  color: var(--muted-strong);
  font: 700 10px/1 var(--sans);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.app-facts dd {
  margin: 0;
  color: var(--ink);
  font: 400 20px/1.1 var(--serif);
}

.app-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  grid-column: 2;
  margin: 0;
}

/* Product page */

.app-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 30px;
  object-fit: contain;
  filter: saturate(.9) contrast(.92);
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 70px;
  align-items: end;
  padding: 70px 0 66px;
  border-bottom: 1px solid var(--line);
}

.product-heading h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(58px, 7vw, 98px);
  line-height: .9;
}

.product-summary p {
  margin: 0;
  color: var(--muted);
  font: 400 25px/1.3 var(--serif);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  padding: 56px 0 0;
}

.product-screenshots {
  padding: 86px 0 0;
}

.product-screenshots h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(42px, 5vw, 72px);
  line-height: .94;
}

.product-screenshots .section-heading {
  text-align: center;
}

.product-screenshots .section-heading h2 {
  margin-inline: auto;
}

.screenshot-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 44px;
  width: 100%;
  margin: 34px auto 0;
}

.screenshot-grid figure {
  margin: 0;
}

.screenshot-grid figure:first-child {
  width: min(100%, 680px);
}

.screenshot-grid figure:last-child {
  width: min(100%, 1180px);
}

.screenshot-grid img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 42px rgba(35, 51, 59, .12);
  background: #eef4f6;
}

.screenshot-grid figcaption {
  margin-top: 12px;
  color: var(--muted);
  font: 400 18px/1.3 var(--serif);
  text-align: center;
}

.product-grid h2 {
  margin-top: 0;
}

.cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin: 30px 0 0;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font: 600 14px/1 var(--sans);
  letter-spacing: .4px;
  padding: 15px 26px;
  border-radius: 7px;
}

.button:hover {
  background: var(--accent-dark);
}

.inline-link {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
  margin-left: 26px;
}

.inline-link:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.product-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-grid li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  margin: 0 0 19px;
  color: #55514a;
  font: 400 21px/1.32 var(--serif);
}

.product-grid li::before {
  content: "–";
  color: var(--accent);
  font: 700 15px/1.45 var(--sans);
}

/* About */

.about-intro {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 25px;
  align-items: start;
}

.portrait {
  width: 58px;
  aspect-ratio: 1;
  margin: 5px 0 0;
  overflow: hidden;
  border-radius: 50%;
  background: #ddd8cf;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  filter: saturate(.68) contrast(.95);
}

/* Contact form */

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted-strong);
  font: 700 11px/1 var(--sans);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 11px 0;
  color: var(--ink);
  font: 400 19px/1.35 var(--serif);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 0;
  border-color: var(--accent);
}

.contact-form textarea {
  min-height: 128px;
  resize: vertical;
}

.honeypot {
  display: none;
}

.contact-form button {
  width: fit-content;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  padding: 14px 0 6px;
  cursor: pointer;
  font: 400 28px/1 var(--serif);
}

.contact-form button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

#form-status {
  min-height: 21px;
  margin: 0;
  color: var(--muted);
  font: 14px/1.4 var(--sans);
}

/* Article pages (privacy, changelog, support, thanks) */

.article h1 {
  margin: 0 0 18px;
  font-size: 40px;
}

.article h2 {
  margin: 42px 0 14px;
  color: var(--ink);
  font: 400 24px/1.25 var(--serif);
  letter-spacing: 0;
  text-transform: none;
}

.article p {
  margin: 0 0 1em;
  color: var(--muted);
  font: 400 18px/1.55 var(--serif);
}

.article code {
  font: 400 .82em/1.2 ui-monospace, "SF Mono", Menlo, monospace;
  background: #f3f1ec;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Support page */

.support-form {
  max-width: 460px;
  margin-top: 34px;
}

.support-amounts {
  border: 0;
  margin: 0;
  padding: 0;
}

.support-amounts legend,
.support-field {
  color: var(--muted-strong);
  font: 700 11px/1 var(--sans);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.support-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.support-options button {
  min-height: 58px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: 600 16px/1 var(--sans);
  border-radius: 7px;
  cursor: pointer;
}

.support-options button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.support-options button.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.support-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0;
  color: var(--muted);
  font: 600 10px/1 var(--sans);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.support-divider::before,
.support-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

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

#custom-amount {
  width: 100%;
  max-width: 220px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 11px 14px;
  color: var(--ink);
  font: 400 19px/1.35 var(--serif);
}

#custom-amount:focus {
  outline: 0;
  border-color: var(--accent);
}

.support-selection {
  min-height: 25px;
  margin: 18px 0 0 !important;
  color: var(--muted-strong) !important;
  font: 400 16px/1.45 var(--serif) !important;
}

.support-submit {
  margin-top: 18px;
  border: 0;
  cursor: pointer;
}

.support-submit:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.notice {
  margin: 24px 0 0;
  color: var(--muted);
  font: 400 18px/1.4 var(--serif);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 86px;
  padding-top: 24px;
  color: var(--muted);
  font: 14px/1.5 var(--sans);
}

.site-footer a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}

.site-footer a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 19px;
    width: min(100% - 44px, 680px);
    padding-top: 25px;
  }

  .site-header nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .page,
  .page--article {
    width: min(100% - 48px, 680px);
    min-height: auto;
    padding: 86px 0 72px;
  }

  .center-frame {
    min-height: auto;
    padding: 86px 0 72px;
  }

  .home-page,
  .product-page {
    width: min(100% - 44px, 680px);
    padding: 54px 0 62px;
  }

  .home-hero,
  .product-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    min-height: auto;
    padding: 50px 0 44px;
  }

  h1 {
    font-size: 40px;
  }

  .home-hero h1,
  .product-heading h1 {
    font-size: 48px;
    line-height: .96;
  }

  .intro p,
  .about-intro p {
    font-size: 23px;
  }

  .featured-app-main {
    grid-template-columns: 52px 1fr;
  }

  .featured-app-main img {
    width: 52px;
    height: 52px;
  }

  .featured-app-main strong {
    font-size: 38px;
  }

  .featured-app,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-screenshots {
    padding-top: 64px;
  }

  .featured-app {
    padding: 24px 22px;
  }

  .featured-app p,
  .app-facts,
  .app-actions {
    grid-column: auto;
  }

  .app-facts {
    grid-template-columns: 1fr;
  }

  .product-summary p,
  .product-grid li {
    font-size: 20px;
  }

  .about-intro {
    grid-template-columns: 1fr;
  }

  .inline-link {
    margin: 16px 0 0;
  }
}