/* ============================================================
   Floom Starter Pack — Design System
   Single source of truth. Every page links this file.
   Page-specific overrides stay in page's <style> block but MUST
   use the tokens defined here.
   ------------------------------------------------------------
   DO NOT MODIFY tokens without updating ALL pages.
   Adding a new token? Document it here AND test on all pages.
   Removing a token? Search every page for usage first.
   ============================================================ */

/* ============================================================
   1. TOKENS
   ============================================================ */
:root {
  /* Color */
  --paper:          #fafaf7;
  --ink:            #050505;
  --muted:          #333333;
  --muted-soft:     #4b4b4b;
  --muted-mute:     #6b6b6b;
  --muted-rule:     #e0dfdb;
  --blue:           #0094ff;
  --blue-deep:      #006fbf;
  --blue-soft:      #bfe6ff;
  --blue-pale:      #eaf7ff;
  --cloud-pink:     #ff4fd8;

  /* Brand colors (for agent logos / hero accents) */
  --brand-claude:   #d97757;
  --brand-codex:    var(--blue);
  --brand-cursor:   var(--ink);
  --brand-kimi:     var(--ink);

  /* Lines */
  --line:           2px solid var(--ink);
  --line-light:     1px solid var(--muted-rule);
  --line-soft:      1px solid rgba(5, 5, 5, 0.12);
  --line-faint:     1px solid rgba(5, 5, 5, 0.06);

  /* Fonts */
  --sans:           Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:           "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;

  /* Type weights */
  --fw-display:     700;
  --fw-strong:      900;
  --fw-h2:          800;
  --fw-body-emph:   600;
  --fw-body:        500;

  /* Letter spacing */
  --ls-display:     -0.035em;
  --ls-h3:          -0.02em;
  --ls-section-label: 0.16em;
  --ls-button:      0.12em;
  --ls-wordmark:    -0.06em;

  /* Radii */
  --radius-card:    18px;
  --radius-card-lg: 22px;
  --radius-button:  14px;
  --radius-pill:    999px;
  --radius-input:   16px;
  --radius-code:    14px;

  /* Spacing */
  --space-page-x:       70px;
  --space-page-y-top:   44px;
  --space-page-y-bot:   72px;
  --space-section:      56px;

  /* Page widths */
  --max-page:           1440px;
  --max-content:        720px;

  /* Shadows */
  --shadow-button-hover: 0 12px 26px rgba(5, 5, 5, 0.14), 0 0 0 4px rgba(0, 148, 255, 0.14);
  --shadow-cta-hover:    0 8px 22px rgba(5, 5, 5, 0.16), 0 0 0 3px rgba(0, 148, 255, 0.10);
  --shadow-card-hover:   0 14px 30px rgba(5, 5, 5, 0.18);
  --shadow-tooltip:      0 14px 30px rgba(5, 5, 5, 0.18);
}

/* ============================================================
   2. BASE
   ============================================================ */
* { box-sizing: border-box; }

html {
  scrollbar-gutter: stable;
  overflow-y: scroll;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

h1, h2, h3, p { margin: 0; }

/* ============================================================
   3. PAGE CONTAINER
   ============================================================ */
.page {
  width: min(100%, var(--max-page));
  margin: 0 auto;
  padding: var(--space-page-y-top) var(--space-page-x) var(--space-page-y-bot);
}

/* ============================================================
   4. NAV (shared across all pages)
   ============================================================ */
.nav {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
  border-bottom: var(--line);
  padding-bottom: 18px;
}

.wordmark {
  display: flex;
  flex-direction: column;
  gap: 3px;
  color: inherit;
  text-decoration: none;
}

.wordmark strong {
  font-size: 28px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-wordmark);
  line-height: 0.9;
}

.wordmark span {
  color: var(--muted-soft);
  font-size: 10px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-section-label);
  text-transform: uppercase;
}

.nav-right {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 30px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 34px;
  row-gap: 10px;
  line-height: 1;
  font-size: 12px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-section-label);
  text-transform: uppercase;
}

.nav-links a { text-decoration: none; }
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--blue); }

/* ============================================================
   5. SECTION LABELS / EYEBROWS
   ============================================================ */
.eyebrow,
.section-label,
.meta-label {
  font-size: 12px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-section-label);
  text-transform: uppercase;
}

.eyebrow { color: var(--blue-deep); }

/* ============================================================
   6. BUTTONS
   ============================================================ */
.button,
.button-secondary,
.button-primary,
.nav-sign-in {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--line);
  border-radius: var(--radius-button);
  padding: 12px 16px;
  font: var(--fw-strong) 12px/1 var(--sans);
  letter-spacing: var(--ls-button);
  text-decoration: none;
  text-transform: uppercase;
  transition: background 150ms ease, box-shadow 150ms ease, color 150ms ease, transform 150ms ease;
}

.button,
.button-primary,
.nav-sign-in { background: var(--ink); color: #ffffff; }

.button-secondary { background: #ffffff; color: var(--ink); }

.button:hover,
.button-secondary:hover,
.button-primary:hover,
.nav-sign-in:hover {
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-2px);
}

/* ============================================================
   7. INSTALL CTA + tooltip (canonical)
   ============================================================ */
.install-cta-wrap { position: relative; display: inline-block; }

.install-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: var(--line);
  border-radius: var(--radius-button);
  background: var(--ink);
  color: #ffffff;
  padding: 14px 22px;
  font: var(--fw-strong) 13px/1 var(--sans);
  letter-spacing: var(--ls-button);
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: background 200ms ease,
              box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1),
              transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.install-cta:hover,
.install-cta:focus-visible {
  box-shadow: var(--shadow-cta-hover);
  transform: translateY(-1px);
  outline: none;
}

.install-cta-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  color: currentColor;
  transition: transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.install-cta:hover .install-cta-icon,
.install-cta:focus-visible .install-cta-icon { transform: translateY(2px); }

.install-cta.is-copied { background: var(--blue); }
.install-cta.is-copied .install-cta-label::after { content: " \2713"; }

.install-cta-tooltip {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 360px;
  max-width: 420px;
  background: var(--paper);
  color: var(--ink);
  border: var(--line);
  border-radius: var(--radius-button);
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: var(--fw-body);
  line-height: 1.45;
  letter-spacing: normal;
  text-transform: none;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 180ms ease 60ms,
              visibility 0s linear 240ms,
              transform 180ms ease 60ms;
  z-index: 100;
  box-shadow: var(--shadow-tooltip);
}

.install-cta:hover .install-cta-tooltip,
.install-cta:focus-visible .install-cta-tooltip,
.install-cta:focus-within .install-cta-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 180ms ease, visibility 0s linear, transform 180ms ease;
}

.install-cta-tooltip::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 28px;
  width: 14px;
  height: 14px;
  background: var(--paper);
  border-left: var(--line);
  border-top: var(--line);
  transform: rotate(45deg);
  border-radius: 2px;
}

.tooltip-line {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.tooltip-cmd {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  background: var(--ink);
  color: #ffffff;
  padding: 8px 10px;
  border-radius: 8px;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow-x: auto;
}

.tooltip-hint {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (hover: none) {
  .install-cta-tooltip { display: none; }
}

/* ============================================================
   8. SITE FOOTER (canonical)
   ============================================================ */
.site-footer {
  border-top: var(--line);
  background: var(--paper);
  padding: 48px var(--space-page-x) 0;
}

.site-footer-inner {
  width: min(100%, var(--max-page));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
}

.footer-brand .footer-wordmark {
  display: block;
  font-size: 28px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-wordmark);
  line-height: 0.9;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 6px;
}

.footer-brand small {
  font-size: 11px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-section-label);
  text-transform: uppercase;
  color: var(--muted-soft);
}

.footer-col-label {
  display: block;
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-section-label);
  text-transform: uppercase;
  color: var(--ink);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  font-weight: var(--fw-body-emph);
  color: var(--ink);
  text-decoration: none;
  transition: color 120ms ease;
}

.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  width: min(100%, var(--max-page));
  margin: 0 auto;
  border-top: 1px solid rgba(5, 5, 5, 0.12);
  padding: 18px 0 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 12px;
  font-weight: var(--fw-body-emph);
  color: var(--muted-soft);
}

.footer-bottom .footer-mit {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: var(--fw-strong);
  letter-spacing: var(--ls-button);
  text-transform: uppercase;
  border: 1px solid var(--ink);
  color: var(--ink);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  background: var(--paper);
}

/* ============================================================
   9. RESPONSIVE
   ============================================================ */
@media (max-width: 980px) and (min-width: 641px) {
  .nav-links { gap: 18px; font-size: 11px; letter-spacing: 0.08em; }
  .wordmark span { font-size: 9px; letter-spacing: 0.12em; }
  .nav-right { gap: 18px; }
}

@media (max-width: 980px) {
  .page { padding: 30px 22px 52px; }
  .site-footer { padding: 40px 22px 0; }
  .site-footer-inner { grid-template-columns: 1fr; gap: 24px; padding-bottom: 28px; }
}

@media (max-width: 860px) {
  .site-footer { padding: 40px 22px 0; }
  .site-footer-inner { grid-template-columns: 1fr; gap: 24px; padding-bottom: 28px; }
}

@media (max-width: 640px) {
  .page { padding: 22px 16px 44px; }
  .nav-links { column-gap: 14px; row-gap: 10px; font-size: 11px; letter-spacing: 0.08em; }
  .wordmark span { font-size: 9px; letter-spacing: 0.12em; }
  .site-footer { padding: 36px 16px 0; }
  .footer-bottom { padding: 16px 0 24px; }
  .install-cta-tooltip {
    min-width: 280px;
    max-width: calc(100vw - 40px);
    right: 0;
    left: auto;
  }
}