:root {
  --ground: #F2F1EE;
  --ink: #141518;
  --text: #3A3C42;
  --muted: #55575E;
  --faint: #8A8C92;
  --line: #D5D3CE;
  --cap-shadow: #C9C6BF;
  --accent: #FF6B2C;
  --accent-dark: #C2410C;
  --display: 'Archivo', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--display); }
a { color: var(--ink); }
a:hover { color: var(--accent-dark); }
img { display: block; }

h1, h2 { margin: 0; font-weight: 900; font-stretch: 112%; letter-spacing: -0.03em; line-height: 1; }
h1 { font-size: clamp(48px, 8vw, 112px); line-height: 0.95; letter-spacing: -0.035em; max-width: 1100px; }
h2 { font-size: clamp(36px, 5vw, 64px); max-width: 800px; }
h3 { margin: 0; font-weight: 800; }
p { margin: 0; }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding-top: 112px; padding-bottom: 112px; display: flex; flex-direction: column; gap: 48px; }
.section-head { display: flex; flex-direction: column; gap: 16px; max-width: 720px; }
.lead { font-size: clamp(19px, 2vw, 23px); line-height: 1.5; color: var(--text); max-width: 640px; }
.muted { font-size: 15px; color: var(--muted); }
.mono { font-family: var(--mono); font-weight: 700; }

/* Header */
.header { padding-top: 24px; padding-bottom: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; font-size: 16px; font-weight: 500; }
.nav a { text-decoration: none; }

/* Buttons */
.pill { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 12px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.pill-dark { background: var(--ink); color: var(--ground); }
.pill-dark:hover { color: var(--ground); background: #2A2C31; }
.pill-accent { background: var(--accent); color: var(--ink); font-size: 18px; font-weight: 800; min-height: 56px; padding: 16px 28px; box-shadow: 0 4px 0 var(--accent-dark); }
.pill-accent:hover { color: var(--ink); transform: translateY(2px); box-shadow: 0 2px 0 var(--accent-dark); }
.pill-lg { font-size: 18px; font-weight: 800; min-height: 56px; padding: 18px 32px; }

/* Keycaps */
.cap { display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 4px 0 var(--cap-shadow); font-family: var(--mono); font-weight: 700; color: var(--ink); }
.cap-accent { background: var(--accent); border-color: var(--accent-dark); box-shadow: 0 4px 0 var(--accent-dark); }
.cap-dark { background: #24262B; border-color: #33363C; box-shadow: 0 4px 0 #0B0C0E; color: var(--ground); }

/* Hero */
.hero { padding-top: 88px; padding-bottom: 112px; display: flex; flex-direction: column; align-items: flex-start; gap: 40px; }
.eyebrow { font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.combo { margin-top: 32px; width: 100%; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.cap-caps { width: 200px; height: 88px; justify-content: space-between; padding: 0 20px; font-size: 18px; }
.caps-label { font-size: 14px; letter-spacing: 0.04em; }
/* ⇪ is missing from the mono font, so it falls back small; draw it in the system font at a larger size. */
.caps-symbol { font-family: system-ui, -apple-system, sans-serif; font-size: 30px; font-weight: 600; line-height: 1; }
.cap-letter { width: 88px; height: 88px; font-size: 36px; }
.plus { font-size: 40px; font-weight: 300; color: var(--faint); }
.window { flex: 1 1 320px; min-width: 0; max-width: 520px; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 24px 48px -24px rgba(20, 21, 24, 0.35); }
.window-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid #E6E4DF; background: #FAFAF8; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.window-title { margin-left: 12px; font-size: 13px; color: var(--muted); font-weight: 600; }
.window-body { height: 120px; display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 14px; color: var(--faint); }

/* How it works */
.dark { background: var(--ink); color: var(--ground); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.step { display: flex; flex-direction: column; gap: 20px; padding: 32px; border: 1px solid #33363C; border-radius: 20px; }
.step h3 { font-size: 26px; }
.step p { font-size: 17px; line-height: 1.55; color: #B9BBC1; }
.step-cap { width: 64px; height: 64px; font-size: 26px; }
.step-cap-wide { width: 132px; gap: 8px; font-size: 16px; color: var(--ink); }
.step-cap-wide .caps-symbol { font-size: 24px; }
.step-window { width: 64px; height: 64px; border-radius: 14px; background: var(--ground); color: var(--ink); display: flex; align-items: center; justify-content: center; }

/* Keyboard */
.keyboard { display: flex; flex-direction: column; gap: 12px; overflow-x: auto; padding: 4px 0 12px; }
.key-row { display: flex; gap: 10px; }
.key { flex: 0 0 auto; width: 76px; height: 76px; flex-direction: column; gap: 4px; cursor: pointer; font-size: 20px; padding: 0; }
.key.unassigned { background: #ECEBE7; }
.key[aria-pressed="true"] { background: var(--accent); border-color: var(--accent-dark); box-shadow: 0 4px 0 var(--accent-dark); }
.key:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--cap-shadow); }
.key-app { font-family: var(--display); font-size: 11px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 70px; letter-spacing: -0.02em; }
.key.unassigned .key-app { color: var(--faint); }
.key[aria-pressed="true"] .key-app { color: var(--ink); }
.readout { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 24px 28px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.readout-cap { width: 160px; height: 72px; padding: 0 18px; }
.readout-cap .caps-symbol { font-size: 26px; }
.readout-cap .caps-label { font-size: 13px; }
.readout-letter { width: 72px; height: 72px; font-size: 30px; }
.plus-sm { font-size: 32px; font-weight: 300; color: var(--faint); }
.readout-app { font-size: 28px; font-weight: 800; }

/* Features */
#features.section { padding-top: 32px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); border-top: 2px solid var(--ink); }
.feature { padding: 32px 32px 32px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.feature h3 { font-size: 22px; }
.feature p { font-size: 17px; line-height: 1.55; color: var(--text); }

/* FAQ */
.faq-band { background: #E7E5E0; }
.faq { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--cap-shadow); }
.faq summary { list-style: none; cursor: pointer; min-height: 64px; padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 20px; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); font-size: 22px; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 0 0 24px; font-size: 17px; line-height: 1.6; color: var(--text); max-width: 720px; }

/* Download */
.download { padding-top: 128px; padding-bottom: 128px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 28px; }
.download h2 { font-size: clamp(40px, 6vw, 80px); letter-spacing: -0.035em; max-width: 900px; }
.download .lead { max-width: 560px; }

/* Footer */
.footer { border-top: 1px solid var(--line); }
.footer-row { padding-top: 32px; padding-bottom: 32px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 15px; color: var(--muted); }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pill-accent:hover, .key:active { transform: none; }
}