:root {
  --font-headline: "Mozilla Headline", Arial, sans-serif;
  --font-body: "Mozilla Text", Arial, sans-serif;
  --font-mono: "DM Mono", monospace;
  --bg: #f7f7f3;
  --ink: #1e1e1e;
  --muted: #5f605b;
  --cyan: #00f6f6;
  --cyan-light: #dbf4f0;
  --cyan-dark: #00717c;
  --yellow: #ffd341;
  --line: #deded3;
  --max: 1180px;
  --pad: clamp(20px, 5vw, 56px);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.page-header {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.page-header img { display: block; width: 148px; height: auto; }
.page-nav { display: flex; align-items: center; gap: 24px; }
.page-nav a { font-size: 14px; font-weight: 600; text-decoration: none; }
.page-nav a:hover,
.page-nav a:focus-visible { color: var(--cyan-dark); }

.mobile-menu { display: none; }

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 17px;
  color: var(--ink);
  background: var(--cyan);
  border: 1px solid transparent;
  font-weight: 650;
  text-decoration: none;
}

.button--dark { color: var(--bg); background: var(--ink); }
.button:hover { transform: translateY(-1px); }
.button:focus-visible,
a:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 112px var(--pad) 90px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, var(--cyan-light) 0 64px, transparent 64px);
}

.hero::before {
  position: absolute;
  inset: 64px 0 auto;
  height: 112px;
  background: url("/assets/dither.png") repeat-x 0 0 / auto 112px;
  content: "";
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 7fr 4fr;
  gap: 64px;
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 74px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
}

h1,
h2,
h3 { margin-top: 0; font-family: var(--font-headline); line-height: 1.12; }
h1 { max-width: 780px; margin-bottom: 28px; font-size: clamp(44px, 6vw, 72px); font-weight: 600; }
h2 { margin-bottom: 24px; font-size: clamp(30px, 4vw, 44px); font-weight: 600; }
h3 { margin-bottom: 12px; font-size: 23px; }

.hero__lead { max-width: 760px; margin: 0 0 34px; color: #42433f; font-size: 21px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__aside { align-self: end; border-top: 1px solid var(--ink); }
.fact { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.fact span:first-child { color: var(--muted); }
.fact strong { text-align: right; }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 82px var(--pad);
  border-inline: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--split { display: grid; grid-template-columns: 4fr 7fr; gap: 70px; }
.section__intro { max-width: 760px; font-size: 21px; }
.section p:last-child { margin-bottom: 0; }
.prose { max-width: 820px; }
.prose p { color: #42433f; font-size: 18px; }
.prose h3 { margin-top: 38px; }

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.feature {
  min-height: 205px;
  padding: 28px 26px;
  border-bottom: 1px solid var(--line);
}

.feature:nth-child(odd) { border-right: 1px solid var(--line); }
.feature p { margin: 0; color: var(--muted); }
.feature__number { margin-bottom: 18px !important; color: var(--cyan-dark) !important; font-family: var(--font-mono); }

.comparison {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.comparison th,
.comparison td { padding: 18px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--cyan-dark); font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; }

.proof {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 0;
  padding: 0;
}

.proof__media { min-height: 420px; background: var(--ink); }
.proof__media video { display: block; width: 100%; height: 100%; object-fit: cover; }
.proof__copy { padding: 54px var(--pad); }
.proof__copy ul { margin: 28px 0 0; padding-left: 20px; }
.proof__copy li + li { margin-top: 12px; }

.callout {
  padding: 22px 24px;
  border-left: 5px solid var(--yellow);
  background: #fff7d7;
}

.callout strong { display: block; margin-bottom: 8px; }

.link-list { display: grid; border-top: 1px solid var(--line); }
.link-list a { display: flex; justify-content: space-between; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); font-weight: 600; text-decoration: none; }
.link-list a:hover { color: var(--cyan-dark); }

.faq details { padding: 22px 0; border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-family: var(--font-headline); font-size: 21px; font-weight: 600; }
.faq details p { max-width: 820px; margin: 14px 0 0; color: var(--muted); }

.conversion {
  display: grid;
  min-height: 340px;
  place-items: center;
  padding: 70px var(--pad);
  text-align: center;
}

.conversion div { max-width: 780px; }
.conversion p { margin: -6px 0 28px; color: var(--muted); font-size: 19px; }

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 22px max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  color: var(--bg);
  background: var(--ink);
  font-size: 13px;
}

.page-footer p { margin: 0; }
.page-footer div { display: flex; gap: 22px; }

@media (max-width: 820px) {
  .hero__inner,
  .section--split,
  .proof { grid-template-columns: 1fr; }
  .hero__aside { margin-top: 20px; }
  .proof__media { min-height: 340px; }
}

@media (max-width: 600px) {
  .page-header { min-height: 76px; }
  .page-header img { width: 116px; }
  .page-nav { display: none; }
  .mobile-menu { position: relative; display: block; margin-left: auto; }
  .mobile-menu summary {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--ink);
    cursor: pointer;
    list-style: none;
  }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span,
  .mobile-menu summary span::before,
  .mobile-menu summary span::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    content: "";
  }
  .mobile-menu summary span { position: relative; }
  .mobile-menu summary span::before { position: absolute; top: -6px; }
  .mobile-menu summary span::after { position: absolute; top: 6px; }
  .mobile-menu nav {
    position: absolute;
    z-index: 20;
    top: calc(100% + 8px);
    right: 0;
    display: grid;
    width: min(280px, calc(100vw - 40px));
    border: 1px solid var(--ink);
    background: var(--bg);
    box-shadow: 8px 8px 0 var(--ink);
  }
  .mobile-menu nav a { padding: 14px 16px; border-bottom: 1px solid var(--line); font-weight: 600; text-decoration: none; }
  .mobile-menu nav a:last-child { border-bottom: 0; background: var(--cyan); }
  .hero { padding-top: 78px; padding-bottom: 58px; }
  .hero__inner { gap: 34px; padding-top: 64px; }
  .hero__lead,
  .section__intro { font-size: 18px; }
  .section { padding-top: 54px; padding-bottom: 54px; border-inline: 0; }
  .feature-list { grid-template-columns: 1fr; }
  .feature:nth-child(odd) { border-right: 0; }
  .comparison { display: block; overflow-x: auto; }
  .proof__media { min-height: 250px; }
  .page-footer { align-items: flex-start; flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}