:root {
  --paper: #fbf9f5;
  --paper-2: #f2eee7;
  --ink: #1d1c1a;
  --ink-2: #5c5852;
  --line: #e2ddd4;
  --accent: #3f4f86;
  --on-accent: #ffffff;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 16px;
  --measure: 34rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151513;
    --paper-2: #1e1d1a;
    --ink: #ece8e1;
    --ink-2: #a8a399;
    --line: #2f2d29;
    --accent: #b4c0f0;
    --on-accent: #151a33;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}

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

a { color: inherit; }

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 720px) {
  .wrap { padding: 0 32px; }
}

/* Header */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  text-decoration: none;
}

.brand img { width: 32px; height: 32px; border-radius: 8px; }

.top nav { display: flex; gap: 20px; font-size: 0.95rem; }

.top nav a {
  color: var(--ink-2);
  text-decoration: none;
  padding: 12px 0;
}

.top nav a:hover { color: var(--ink); }

/* Hero */

.hero {
  display: grid;
  gap: 48px;
  align-items: center;
  padding-block: 40px 72px;
}

@media (min-width: 860px) {
  .hero { grid-template-columns: 1.1fr 0.9fr; padding-block: 72px 112px; }
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 { font-size: clamp(2.6rem, 7vw, 4.25rem); }

h2 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); }

h3 { font-size: 1.3rem; }

.lede {
  max-width: var(--measure);
  margin: 24px 0 32px;
  font-size: 1.15rem;
  color: var(--ink-2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
}

.button:hover { filter: brightness(1.08); }

.quiet {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--ink-2);
}

.phone {
  justify-self: center;
  width: min(300px, 78vw);
  border-radius: 36px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--paper-2);
}

/* Sections */

section { padding-block: 72px; border-top: 1px solid var(--line); }

.steps {
  display: grid;
  gap: 32px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

.steps li { counter-increment: step; }

.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--accent);
}

.steps p, .feature p, .facts p {
  margin: 8px 0 0;
  color: var(--ink-2);
  max-width: var(--measure);
}

.feature {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 860px) {
  .feature { grid-template-columns: 1fr 1fr; }
  .feature.flip .phone { order: -1; }
}

.facts {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}

@media (min-width: 720px) {
  .facts { grid-template-columns: repeat(2, 1fr); }
}

/* Footer */

footer {
  padding: 40px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.95rem;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
}

footer a { color: var(--ink-2); }

/* Long-form pages */

.prose {
  max-width: 42rem;
  padding-block: 40px 80px;
}

.prose h1 { font-size: clamp(2.2rem, 6vw, 3rem); }

.prose h2 {
  font-size: 1.45rem;
  margin: 48px 0 0;
}

.prose p, .prose li { color: var(--ink-2); }

.prose p { margin: 12px 0 0; }

.prose ul { margin: 12px 0 0; padding-left: 1.25rem; }

.prose li + li { margin-top: 6px; }

.prose strong { color: var(--ink); font-weight: 600; }

.prose .meta { margin-top: 12px; font-size: 0.95rem; }

/* Intro film */

.film > .wrap > p {
  margin: 12px 0 0;
  color: var(--ink-2);
  max-width: var(--measure);
}

.film-frame {
  position: relative;
  margin: 40px 0 0;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--paper-2);
}

.film-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.film-frame button {
  position: absolute;
  right: 16px;
  bottom: 16px;
  min-height: 44px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: rgba(29, 28, 26, 0.72);
  color: #fbf9f5;
  font: 600 0.95rem/1 var(--sans);
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.film-frame button[hidden] { display: none; }

.film-frame button:hover { background: rgba(29, 28, 26, 0.86); }

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

@media (max-width: 559px) {
  .film-frame { border-radius: 16px; }
  .film-frame button { right: 10px; bottom: 10px; min-height: 40px; padding: 0 16px; font-size: 0.875rem; }
}