:root {
  --bg: #fafafa;
  --fg: #0a0a0a;
  --muted: #666;
  --accent: #0a0a0a;
  --accent-fg: #fafafa;
  --brand: #0d7a6e;
  --border: rgba(0, 0, 0, 0.08);
  --card: #fff;
  --card-soft: #f4f4f4;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.04);
  --shot-shadow: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.06))
                 drop-shadow(0 14px 40px rgba(0, 0, 0, 0.14));
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #fafafa;
    --muted: #888;
    --accent: #fafafa;
    --accent-fg: #0a0a0a;
    --brand: #3dd6c2;
    --border: rgba(255, 255, 255, 0.08);
    --card: #141414;
    --card-soft: #1a1a1a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.2);
    --shot-shadow: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5))
                   drop-shadow(0 18px 50px rgba(0, 0, 0, 0.45));
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--brand); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- header ---------- */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  max-width: 1100px;
  margin: 0 auto;
  gap: 16px;
}

.wordmark {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

header nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

header nav a {
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.65;
  transition: opacity 0.1s ease;
}

header nav a:hover { opacity: 1; }

/* ---------- layout ---------- */

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

main > section { scroll-margin-top: 24px; }

h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.section-lede {
  color: var(--muted);
  max-width: 700px;
  margin: 0 0 32px;
  font-size: 16px;
}

/* ---------- hero ---------- */

.hero {
  text-align: center;
  padding: 64px 0 32px;
}

.hero h1 {
  font-size: clamp(40px, 6.5vw, 76px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 24px;
}

.tagline {
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

.download {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: var(--shadow);
}

.download:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 32px rgba(0, 0, 0, 0.08);
}

.download:active { transform: translateY(0); }

.requirements {
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 14px;
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-weight: 600;
  color: var(--fg);
  background: var(--card);
  font-size: 12px;
  letter-spacing: 0.01em;
}

/* ---------- screenshots ----------
 *
 * Screenshots are PNGs captured with `screencapture -o -w`, which means the
 * rounded corners are transparent in the source file. We deliberately do NOT
 * apply border-radius to the <img> — that would clip *inside* the alpha mask
 * and chew the visible edge. We also avoid box-shadow, which is cast off the
 * rectangular bounding box rather than the visible window pixels. Instead we
 * use `filter: drop-shadow(...)`, which follows the alpha channel.
 */

.screenshot { margin: 0 0 24px; text-align: center; }

.screenshot img,
.screenshot picture {
  max-width: 100%;
  height: auto;
  filter: var(--shot-shadow);
}

.hero-screenshot {
  margin: 8px 0 64px;
}

.hero-screenshot img {
  max-width: 960px;
  width: 100%;
}

/* ---------- how it works (pipeline) ---------- */

.how {
  padding: 32px 0 56px;
  border-top: 1px solid var(--border);
}

.pipeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  counter-reset: step;
}

.pipeline li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 22px 18px;
  position: relative;
}

.pipeline li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  opacity: 0.7;
}

.pipeline-step {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.pipeline li p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- feature grid ---------- */

.features-grid {
  padding: 56px 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.features-grid > h2 {
  grid-column: 1 / -1;
  margin-bottom: 12px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.feature img {
  width: 100%;
  height: auto;
  margin-top: auto;
  filter: var(--shot-shadow);
}

.feature--wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 32px;
  padding: 32px;
}

.feature--wide .feature-text { flex: 1 1 320px; }
.feature--wide .feature-shot { flex: 1 1 380px; }

.feature--wide img {
  margin-top: 0;
  max-width: 100%;
}

@media (max-width: 720px) {
  .feature--wide { flex-direction: column; }
  .feature--wide .feature-shot { width: 100%; }
}

/* ---------- comparison table ---------- */

.compare {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

.compare table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.compare th,
.compare td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.compare thead th {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--card-soft);
}

.compare tbody th {
  font-weight: 600;
  color: var(--fg);
  width: 38%;
}

.compare tbody tr:last-child th,
.compare tbody tr:last-child td { border-bottom: none; }

.compare thead th:nth-child(2),
.compare tbody td:first-of-type {
  font-weight: 600;
  color: var(--brand);
}

.compare .yes { color: var(--brand); font-weight: 600; }
.compare .no  { color: var(--muted); }

.compare-note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- privacy ---------- */

.privacy {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.privacy ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.privacy li {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: 12px;
  padding: 18px 22px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
}

.privacy li strong { color: var(--fg); }
.privacy code,
.faq code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--card-soft);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ---------- FAQ ---------- */

.faq {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 22px;
  margin-bottom: 10px;
}

.faq details[open] { padding-bottom: 18px; }

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15.5px;
  list-style: none;
  padding: 6px 0;
  position: relative;
  padding-right: 24px;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-weight: 400;
  font-size: 20px;
  line-height: 1;
}

.faq details[open] summary::after { content: "−"; }

.faq details p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

footer a:hover { color: var(--fg); }

/* ---------- responsive niceties ---------- */

@media (max-width: 560px) {
  header { padding: 20px 20px; }
  header nav { gap: 14px; }
  main { padding: 0 20px; }
  .hero { padding: 40px 0 24px; }
  .feature, .feature--wide { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .download { transition: none; }
}