:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #e14d2a; /* habanero */
  --border: #ececec;
  --card: #ffffff;
  --radius: 10px;
  --maxw: 880px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #f2f2f2;
    --muted: #9a9a9a;
    --border: #262626;
    --card: #1a1a1a;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { letter-spacing: -0.01em; }

section, header, footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 24px;
}

/* hero */
.hero { text-align: center; padding-top: 72px; }
.hero .icon { border-radius: 22px; display: block; margin: 0 auto 20px; }
.hero h1 { font-size: 44px; margin: 0 0 12px; }
.hero .tagline { color: var(--muted); font-size: 18px; margin: 0 auto 28px; max-width: 560px; }
.hero .sub { color: var(--muted); font-size: 12px; margin-top: 24px; opacity: 0.7; }

.price {
  color: var(--fg);
  font-size: 13px;
  margin: 12px 0 0;
  opacity: 0.85;
}

.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .08s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: #c33d1e; }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--fg); }

/* preview video */
.preview { padding-top: 24px; }
.preview video {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #000;
  display: block;
}

/* features */
.features h2, .screenshots h2, .shortcuts h2, .cta-bottom h2 {
  font-size: 26px;
  margin: 0 0 28px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.grid > div {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.grid h3 { margin: 0 0 6px; font-size: 16px; }
.grid p { margin: 0; color: var(--muted); font-size: 14px; }
.grid code {
  background: var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* screenshots */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}
.shots img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

/* shortcuts */
.shortcuts ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  color: var(--muted);
}
kbd {
  font: 12px/1 "SF Mono", ui-monospace, Menlo, monospace;
  background: var(--card);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--fg);
  margin-right: 2px;
}

/* cta-bottom */
.cta-bottom { text-align: center; padding-bottom: 64px; }

/* faq */
.faq h2 { font-size: 26px; margin: 0 0 28px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq details[open] { border-color: var(--accent); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  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: 18px;
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.faq details code {
  background: var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* footer */
footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
  padding-bottom: 40px;
}
footer a { color: var(--muted); }