:root {
  --paper: #F5F0E8;
  --surface: #FCFAF6;
  --ink: #27212B;
  --muted: #655D61;
  --rule: #CFC5BA;
  --button: #B83D31;
  --button-hover: #A92C4D;
  --button-text: #FFF7E8;
  --recommendation: #FFE8C7;
  --focus: #D9513B;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

main {
  background: var(--surface);
}

main,
section,
figure,
.download-option {
  min-width: 0;
}

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

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

figure {
  margin: 0;
}

a {
  color: var(--button-hover);
}

a:not(.download-primary):not(.brand) {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

main > *,
.site-footer-inner {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.site-header {
  width: 100%;
  border-bottom: 1px solid var(--rule);
}

.site-header-inner {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  min-height: 78px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 12px;
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 720;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 22px;
}

.download-primary {
  min-height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 8px;
  color: var(--button-text);
  font-weight: 720;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.download-windows {
  background: var(--button);
}

.download-windows:hover {
  background: var(--button-hover);
}

.download-macos {
  background: var(--ink);
}

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

.download-primary:active {
  transform: translateY(1px);
}

.site-header nav a,
.site-footer a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.site-header nav a {
  color: var(--ink);
  font-weight: 620;
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 0.24em;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  min-height: 44px;
  padding: 8px 14px;
  color: var(--button-text);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

summary:focus-visible {
  outline-color: var(--focus);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vw, 76px);
  align-items: center;
  padding-block: clamp(64px, 9vw, 124px);
  border-bottom: 1px solid var(--rule);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

h1 {
  max-width: 16ch;
  margin-bottom: 24px;
  font-size: clamp(46px, 6.2vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: clamp(32px, 5vw, 54px);
  font-size: clamp(32px, 4.2vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 8px;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.3;
}

.hero-explanation {
  max-width: 48ch;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.hero-copy .download-primary {
  width: 100%;
  max-width: 360px;
  margin-bottom: 12px;
}

.secondary-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
}

.hero-figure {
  margin-bottom: 0;
}

.hero-image,
#results img {
  width: 100%;
  border-radius: 8px;
}

.hero-image {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

main > section {
  padding-block: clamp(56px, 8vw, 104px);
  border-bottom: 1px solid var(--rule);
}

main > section:last-child {
  border-bottom: 0;
}

.how-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 2px 18px;
  padding-block: 24px;
  border-top: 1px solid var(--rule);
}

.how-step:last-child {
  border-bottom: 1px solid var(--rule);
}

.step-number {
  grid-row: span 2;
  color: var(--button-hover);
  font-size: 18px;
  font-weight: 720;
}

.how-step > img,
#privacy > img,
#requirements > img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 8px;
}

.how-step > img {
  grid-column: 2;
}

.how-step-copy {
  grid-column: 2;
}

.how-step h3,
.how-step p {
  margin-bottom: 0;
}

.how-step p {
  color: var(--muted);
}

#results {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

#results h2 {
  margin-bottom: 0;
}

#results figure {
  margin-bottom: 0;
}

.download-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: clip;
}

.download-option {
  padding: clamp(24px, 4vw, 42px);
}

.download-option p {
  max-width: 58ch;
}

.download-option .download-primary {
  margin-block: 8px 24px;
}

.download-fallback {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-block: 2px;
  vertical-align: middle;
}

.download-note {
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
}

.is-recommended span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  font-style: italic;
  font-weight: 620;
  line-height: 1.5;
}

.download-primary.is-recommended span {
  color: var(--recommendation);
}

#privacy,
#requirements {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

#privacy h2,
#requirements h2 {
  margin-bottom: 0;
}

#privacy p {
  max-width: 76ch;
}

#requirements dl {
  margin: 0;
  counter-reset: requirement;
}

.requirement-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 2px 16px;
  padding-block: 20px;
  border-top: 1px solid var(--rule);
  counter-increment: requirement;
}

.requirement-row:last-child {
  border-bottom: 1px solid var(--rule);
}

.requirement-row::before {
  content: counter(requirement);
  grid-row: span 2;
  color: var(--button-hover);
  font-size: 18px;
  font-weight: 720;
}

.requirement-row dt {
  font-size: 20px;
  font-weight: 720;
  line-height: 1.3;
}

.requirement-row dd {
  margin: 6px 0 0;
}

#faq details {
  border-top: 1px solid var(--rule);
}

#faq details:last-child {
  border-bottom: 1px solid var(--rule);
}

#faq summary {
  min-height: 56px;
  padding-block: 14px;
  cursor: pointer;
  font-weight: 680;
}

#faq details p {
  max-width: 70ch;
  padding: 0 28px 18px;
  color: var(--muted);
}

.site-footer {
  width: 100%;
  border-top: 1px solid var(--rule);
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 24px;
  padding-block: 22px;
  font-size: 14px;
}

.site-footer p {
  flex: 1 1 100%;
  margin-bottom: 6px;
  color: var(--muted);
}

.footer-credit {
  flex: 1 1 100%;
  margin-top: 12px;
}

@media (max-width: 700px) {
  .brand {
    width: 100%;
    justify-content: center;
  }

  .site-header nav {
    width: 100%;
    justify-content: center;
  }

  .site-header nav a {
    flex: 1 1 auto;
    justify-content: center;
  }

  .download-option + .download-option {
    border-top: 1px solid var(--rule);
  }
}

@media (min-width: 701px) {
  .download-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-option + .download-option {
    border-left: 1px solid var(--rule);
  }
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .how-step {
    grid-template-columns: 54px minmax(0, 0.65fr) minmax(0, 1fr);
    gap: 28px;
  }

  .how-step-copy {
    grid-column: 3;
  }

  #privacy,
  #requirements {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: start;
  }

  #privacy h2,
  #requirements h2 {
    grid-column: 1 / -1;
  }

  #results {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  #results h2 {
    grid-column: 1 / -1;
  }

  #results figure:last-of-type {
    margin-top: 64px;
  }
}

@media (min-width: 1024px) {
  .site-header-inner,
  main > *,
  .site-footer-inner {
    padding-inline: 48px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}