/* Peek design system — shared by FontPeek and LayoutPeek.
   Copy this file as-is into layoutpeek (landing/peek.css) and keep tokens in sync.
   Product-specific demo content stays in each landing page. */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("./fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("./fonts/IBMPlexSans-Italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("./fonts/IBMPlexSans-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --paper: #f6f3ee;
  --ink: #141210;
  --mute: #6f6a63;
  --faint: #9a948b;
  --line: #e4dfd6;
  --surface: #fffdf9;
  --mark: #c43c28;

  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --text: 16px;
  --text-sm: 13px;
  --text-xs: 11px;
  --text-title: clamp(1.75rem, 1.2vw + 1.4rem, 2.125rem);

  --space: 8px;
  --page: 720px;
  --radius: 2px;

  --z-overlay: 100;
  --z-toast: 500;
  --z-tooltip: 600;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { font-kerning: normal; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text);
  font-weight: 400;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space);
  background: var(--ink);
  color: var(--surface);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  z-index: var(--z-tooltip);
}
.skip-link:focus { top: var(--space); }

.page {
  max-width: var(--page);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

@media (min-width: 720px) {
  .page { padding: 56px 32px 96px; }
}

.nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 56px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-decoration: none;
}

.nav-mark {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.nav-name {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.nav-family {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.nav-family a,
.nav-family span[aria-current] {
  color: var(--mute);
  text-decoration: none;
}

.nav-family span[aria-current] {
  color: var(--ink);
}

.nav-family a:hover { color: var(--ink); }

.nav-family .sep {
  color: var(--line);
  user-select: none;
}

.hero { margin-bottom: 48px; }

.hero h1 {
  font-size: var(--text-title);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.lead {
  font-size: 1.0625rem;
  color: var(--mute);
  line-height: 1.55;
  max-width: 44ch;
  margin-bottom: 28px;
}

.install {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.btn-install,
.btn-copy,
.fi-copy {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--radius);
  min-height: 40px;
  cursor: pointer;
}

.btn-install {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--surface);
  padding: 10px 16px;
  border: 1px solid var(--ink);
  text-decoration: none;
  user-select: none;
  cursor: grab;
}

.btn-install .hint {
  font-weight: 400;
  font-size: var(--text-xs);
  color: rgba(255, 253, 249, 0.5);
}

.btn-install:hover { opacity: 0.88; }
.btn-install:active {
  cursor: grabbing;
  opacity: 0.8;
}

.btn-copy {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--mute);
  padding: 10px 14px;
}

.btn-copy:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn-copy:active { background: var(--line); }

.btn-install:focus,
.btn-copy:focus,
.fi-copy:focus,
.nav-family a:focus,
.footer a:focus { outline: none; }

.btn-install:focus-visible,
.btn-copy:focus-visible,
.fi-copy:focus-visible,
.nav-family a:focus-visible,
.footer a:focus-visible {
  outline: 1px solid var(--mark);
  outline-offset: 3px;
}

.install-note {
  font-size: var(--text-xs);
  color: var(--faint);
  line-height: 1.5;
  max-width: 52ch;
}

@media (max-width: 400px) {
  .install { flex-direction: column; align-items: stretch; }
  .btn-install, .btn-copy { justify-content: center; }
}

.demo {
  margin-bottom: 48px;
}

.demo-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 640px) {
  .demo-frame { padding: 48px 40px; }
}

.demo-hint {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--faint);
}

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 48px;
}

.steps li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 12px;
  align-items: start;
  font-size: var(--text-sm);
  color: var(--mute);
  line-height: 1.5;
}

.steps .n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--faint);
  padding-top: 2px;
}

.steps strong { color: var(--ink); font-weight: 500; }

footer {
  padding-top: 20px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  font-size: var(--text-xs);
  color: var(--faint);
  line-height: 1.5;
}

.footer-link {
  margin-left: auto;
  color: var(--faint);
  text-decoration: none;
}

.footer-link:hover { color: var(--ink); }

/* Landing inspector — keep visual language in sync with the bookmarklet overlay. */

#fi-overlay {
  position: fixed;
  z-index: var(--z-overlay);
  background: var(--surface);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-width: 228px;
  max-width: 280px;
  pointer-events: none;
  font-family: var(--font-sans);
  color: var(--ink);
  display: none;
}

.fi-head {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
  margin-bottom: 10px;
}

.fi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--line);
}

.fi-row:last-of-type { border-bottom: none; }

.fi-key {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
}

.fi-val {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--ink);
  text-align: right;
  max-width: 156px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.fi-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border: 1px solid var(--line);
  vertical-align: middle;
}

.fi-copy {
  pointer-events: all;
  margin-top: 12px;
  width: 100%;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: var(--text-xs);
  padding: 8px;
  min-height: 36px;
}

.fi-copy:hover {
  background: var(--ink);
  color: var(--surface);
}

#fi-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--surface);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: var(--z-toast);
  opacity: 0;
  transition: opacity 120ms linear;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  #fi-toast { transition: none; }
}