/* Sparrow for Excel — sparrowxl.com
   Text-first, one accent, dark/light aware. Boring is credible. */

:root {
  --bg: #fbfaf8;
  --fg: #1c1c1a;
  --muted: #6d6b66;
  --line: #e6e3dc;
  --card: #ffffff;
  --accent: #0f766e;        /* the ribbon-icon teal */
  --accent-soft: #e4f2f0;
  --code-bg: #f0eee9;
  --warn: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151719;
    --fg: #e9e7e2;
    --muted: #9b9892;
    --line: #2e3235;
    --card: #1d2023;
    --accent: #5eead4;
    --accent-soft: #123531;
    --code-bg: #23272a;
    --warn: #fbbf24;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 17px;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }

/* nav */
nav {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}
nav .wrap { display: flex; align-items: baseline; gap: 1.4rem; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.05rem; text-decoration: none; color: var(--fg); }
.brand span { color: var(--accent); font-weight: 400; }
nav a.nl { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
nav a.nl:hover, nav a.nl.active { color: var(--fg); }

/* hero */
.hero { padding: 4.5rem 0 3rem; text-align: center; }
.hero h1 { font-size: 2.3rem; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
.hero h1 small { display: block; font-size: 1.05rem; font-weight: 400; color: var(--muted); margin-top: 0.3rem; }
.tagline { font-size: 1.25rem; color: var(--fg); margin: 1.2rem 0 0; }

/* the ladder */
.ladder {
  margin: 2.6rem auto;
  max-width: 480px;
  text-align: left;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 0.98rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.3rem 1.6rem;
}
.ladder .rung { display: flex; gap: 1rem; padding: 0.45rem 0; align-items: baseline; }
.ladder .who { width: 6.2rem; color: var(--muted); font-family: "Segoe UI", system-ui, sans-serif; font-size: 0.88rem; }
.ladder .ep { color: var(--accent); }
.threelines { font-size: 1.12rem; line-height: 1.9; margin: 2rem 0; }

/* video slot */
.videoslot {
  margin: 2.5rem auto;
  max-width: 640px;
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--line);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: var(--card);
}

/* buttons */
.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  font-size: 1rem;
  cursor: pointer;
}
.cta.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.cta:hover { filter: brightness(1.1); }

/* sections */
main { padding-bottom: 4rem; }
section.block { padding: 2.2rem 0 0.5rem; }
h2 { font-size: 1.5rem; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1.12rem; margin: 1.6rem 0 0.4rem; }
p { margin: 0.5rem 0 1rem; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

code, pre {
  font-family: Consolas, "Cascadia Mono", monospace;
  background: var(--code-bg);
  border-radius: 5px;
}
code { padding: 0.1rem 0.4rem; font-size: 0.92em; }
pre { padding: 1rem 1.2rem; overflow-x: auto; line-height: 1.5; font-size: 0.92rem; }
pre code { background: none; padding: 0; }

/* cards + stories */
.story {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin: 1.1rem 0;
}
.story h3 { margin-top: 0; }
.shot {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 1.6rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.8rem;
}

/* tables */
table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.6rem; font-size: 0.94rem; }
th { text-align: left; padding: 0.5rem 0.7rem; border-bottom: 2px solid var(--line); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
td { padding: 0.5rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.yes { color: var(--accent); font-weight: 700; }
.no { color: var(--muted); }
.overflow { overflow-x: auto; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.1rem; margin: 1.6rem 0; }
.tier { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.4rem; }
.tier h3 { margin: 0 0 0.2rem; }
.tier .price { font-size: 1.35rem; font-weight: 700; margin: 0.4rem 0 0.8rem; }
.tier ul { margin: 0 0 1rem 1.1rem; padding: 0; }
.tier li { margin: 0.3rem 0; font-size: 0.94rem; }
.tier.featured { border-color: var(--accent); }

/* early access form */
.ea {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 1.6rem;
  margin: 2.5rem 0;
  text-align: center;
}
.ea input[type=email] {
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--fg);
  min-width: 260px;
  margin-right: 0.5rem;
}

/* footer */
footer { border-top: 1px solid var(--line); padding: 1.6rem 0 2.4rem; margin-top: 3rem; }
footer .wrap { display: flex; gap: 1.6rem; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); }

/* spec page prose */
.spec h2 { border-bottom: 2px solid var(--accent); padding-bottom: 0.25rem; }
.rule {
  border-left: 4px solid var(--accent);
  background: var(--card);
  padding: 0.9rem 1.2rem;
  margin: 1.2rem 0;
}

@media (max-width: 560px) {
  .hero h1 { font-size: 1.8rem; }
  .ladder { padding: 1rem; }
  .ladder .who { width: 5rem; }
}

/* real screenshots / hero art */
.heroart { width: 100%; border-radius: 12px; border: 1px solid var(--line); display: block; margin: 1.4rem 0 1.8rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.shotimg { width: 100%; border-radius: 8px; border: 1px solid var(--line); display: block; margin-top: 0.8rem; }
.shotwrap { overflow-x: auto; }