/* shellhand.com. One page, no build step and nothing fetched from anyone
   else: the type is the system's own, which on a Mac is the type the app is
   set in. Dark unless the visitor's system asks for light. The indigo is the
   app icon's, sampled from it as macOS draws it. */

:root {
  color-scheme: dark light;

  --bg: #0B0C12;
  --bg-alt: #0F1018;
  --surface: #151721;
  --border: #242734;
  --text: #F1F2F6;
  --muted: #A0A5B8;
  --accent: #ABA6FF;
  --button: #5B55C2;
  --button-hover: #6962D7;
  --outline: #34384A;
  --glow: rgba(91, 85, 194, 0.24);
  --shot: drop-shadow(0 0 0.5px rgba(255, 255, 255, 0.45)) drop-shadow(0 28px 56px rgba(0, 0, 0, 0.6));

  /* Code stays dark in both themes, the way a terminal does. */
  --code-bg: #12131A;
  --code-border: #23252F;
  --code-text: #E6E7EE;
  --code-dim: #8E93A6;
  --code-key: #B7B2FF;
  --code-ok: #7FD99A;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius: 14px;
  --gutter: 20px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #FFFFFF;
    --bg-alt: #F7F7FA;
    --surface: #FFFFFF;
    --border: #E4E4EB;
    --text: #14151C;
    --muted: #5A5F70;
    --accent: #4B44B0;
    --button-hover: #4B44B0;
    --outline: #D2D3DD;
    --glow: rgba(91, 85, 194, 0.12);
    --shot: drop-shadow(0 0 0.5px rgba(20, 21, 28, 0.35)) drop-shadow(0 24px 48px rgba(20, 21, 28, 0.18));
  }
}

@media (min-width: 768px) { :root { --gutter: 32px; } }
@media (min-width: 1024px) { :root { --gutter: 48px; } }

*, *::before, *::after { box-sizing: border-box; }

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

code { font-family: var(--mono); font-size: 0.9em; }

h1, h2, h3 { margin: 0; text-wrap: balance; }

h1 {
  font-family: var(--display);
  font-size: clamp(2.375rem, 1.4rem + 3.8vw, 4.25rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

h2 {
  font-family: var(--display);
  font-size: clamp(1.75rem, 1.25rem + 1.9vw, 2.625rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

.wrap {
  width: min(100% - 2 * var(--gutter), 1120px);
  margin-inline: auto;
}
.center { text-align: center; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 12px;
  top: -64px;
  z-index: 10;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--button);
  color: #FFFFFF;
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* The header. */

.site-header { border-bottom: 1px solid var(--border); }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-header ul {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color 0.2s;
}
.site-header nav a:hover { color: var(--text); }

@media (max-width: 599px) {
  .site-header .wide { display: none; }
}

/* The opening: what it is, the button, and the window. */

.hero {
  padding-top: clamp(56px, 9vw, 112px);
  background: radial-gradient(70% 55% at 50% 0%, var(--glow), transparent 72%);
}

.hero-icon {
  width: 112px;
  height: 112px;
  margin: 0 auto 20px;
}
@media (min-width: 768px) {
  .hero-icon { width: 128px; height: 128px; }
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font: 500 0.8125rem/1.4 var(--mono);
  letter-spacing: 0.02em;
}

.hero h1 { max-width: 15ch; margin-inline: auto; }

.lead {
  max-width: 38rem;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(1.125rem, 1rem + 0.45vw, 1.3125rem);
  line-height: 1.55;
  text-wrap: pretty;
}
.lead.left { margin-inline: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
.button.primary { background: var(--button); color: #FFFFFF; }
.button.primary:hover { background: var(--button-hover); }
.button.secondary { border-color: var(--outline); color: var(--text); }
.button.secondary:hover { border-color: var(--muted); }

.meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.shot {
  width: min(100% - 2 * var(--gutter), 1200px);
  margin: clamp(48px, 7vw, 80px) auto 0;
}
.shot img { width: 100%; filter: var(--shot); }

/* The sections. */

.section { padding-block: clamp(72px, 10vw, 128px); }
.section.alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.split {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 960px) {
  .split { grid-template-columns: 5fr 7fr; gap: 64px; }
}

.copy p { color: var(--muted); }

.code { margin: 0; min-width: 0; }

.code pre, .terminal pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px 22px;
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  background: var(--code-bg);
  color: var(--code-text);
  font: 400 0.875rem/1.65 var(--mono);
  tab-size: 2;
}
.code pre code, .terminal pre code { font-size: inherit; }

/* A command too long for the column wraps rather than scrolls, each line
   hanging under its first word, so the whole of it can be read at once. */
.code pre.wrapping { white-space: pre-wrap; overflow-wrap: anywhere; }
.code pre.wrapping .line {
  display: block;
  padding-left: 4ch;
  text-indent: -4ch;
}
.code pre.wrapping .line.note { padding-left: 2ch; text-indent: -2ch; }

.code figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9375rem;
}

.c-dim { color: var(--code-dim); }
.c-key { color: var(--code-key); }
.c-ok { color: var(--code-ok); }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  padding: 26px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.card .tag {
  margin: 0 0 14px;
  color: var(--accent);
  font: 500 0.8125rem/1.4 var(--mono);
}
.card h3 { margin-bottom: 8px; }
.card p:last-child { color: var(--muted); font-size: 1rem; }

/* Install. */

.install-grid {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}
@media (min-width: 1024px) {
  .install-grid { grid-template-columns: 1fr 1.45fr 1fr; align-items: start; }
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.panel p { margin: 0; color: var(--muted); }
.panel .button { align-self: flex-start; }
.panel .meta { margin: 0; }

.terminal {
  overflow: hidden;
  border: 1px solid var(--code-border);
  border-radius: var(--radius);
  background: var(--code-bg);
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px 8px 18px;
  border-bottom: 1px solid var(--code-border);
  color: var(--code-dim);
  font: 500 0.8125rem/1 var(--mono);
}
.terminal pre { border: 0; border-radius: 0; }

.copy-button {
  min-height: 36px;
  min-width: 68px;
  padding: 0 12px;
  border: 1px solid #343747;
  border-radius: 8px;
  background: #1C1E28;
  color: var(--code-text);
  font: 600 0.8125rem/1 var(--font);
  cursor: pointer;
  transition: border-color 0.2s;
}
.copy-button:hover { border-color: var(--code-dim); }

/* A phone gets smaller code and narrower margins around it, so that a
   command's first line fits before it has to wrap. */
@media (max-width: 599px) {
  .code pre, .terminal pre { padding: 16px; font-size: 0.8125rem; }
  .panel { padding: 20px; }
}

/* Questions: each one beside its answer on a wide screen. */

.faq {
  margin-top: 40px;
  border-top: 1px solid var(--border);
}
.qa {
  display: grid;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
@media (min-width: 860px) {
  .qa { grid-template-columns: 2fr 3fr; gap: 48px; }
}
.qa h3 { font-size: 1.0625rem; }
.qa p { color: var(--muted); }

/* The last word, and the footer. */

.cta {
  padding-block: clamp(80px, 11vw, 136px);
  border-top: 1px solid var(--border);
  background: radial-gradient(60% 70% at 50% 100%, var(--glow), transparent 75%);
}
.cta img { margin: 0 auto 24px; }
.cta .lead { margin-top: 12px; }

.site-footer {
  padding-block: 40px 56px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}
.footer-grid { display: grid; gap: 16px; }
.footer-grid p { margin: 0; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-links a { display: inline-block; padding-block: 4px; }

.fine { font-size: 0.8125rem; max-width: 46rem; }