/* OWNER HURT pass — house clothes (lab hub only).
   1 type/spacing · 2 compact popover nav · 3 opaque wx chip · 4 VT persist · 5 quieter ambient in lab-ambient */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  --lab-dur-fast: 0.15s;
  --lab-dur-med: 0.22s;
  --lab-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --lab-ease-spring: cubic-bezier(0.34, 1.3, 0.64, 1);
}

/* —— 1) Type + spacing tokens —— */
html {
  font-family: var(--font-sans);
  font-size-adjust: 0.5;
}
body {
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* ~17px */
  line-height: 1.55;
  font-size-adjust: 0.5;
}

.brand-mark,
.hero h1,
.page-hero h1,
.section h2,
.tool-index .name,
.principle h3,
.stack-card h3,
.caption-end h2,
.foot-brand .brand-mark,
.field-status h2 {
  font-family: var(--font-display) !important;
  font-weight: 600;
  letter-spacing: -0.022em;
  font-size-adjust: 0.5;
}
.hero h1 em,
.page-hero h1 em,
.caption-end h2 em {
  font-style: normal;
  font-weight: 500;
}

/* Calm display measure — kill .92 crush */
.hero h1 {
  font-size: clamp(2.6rem, 8vw, 4.75rem) !important;
  line-height: 1.08 !important;
  margin-top: 12px;
}
.page-hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 4rem) !important;
  line-height: 1.08 !important;
}
.section h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem) !important;
  line-height: 1.12 !important;
}
.tool-index .name {
  font-size: clamp(1.25rem, 2.6vw, 1.75rem) !important;
  line-height: 1.2 !important;
}
.principle h3,
.stack-card h3 {
  font-size: 1.25rem !important;
  line-height: 1.25 !important;
}
.caption-end h2 {
  font-size: clamp(2rem, 5.5vw, 3.2rem) !important;
  line-height: 1.1 !important;
}

/* Kickers — less tracking soup */
.kicker,
.scroll-hint,
.brand-sub,
.stat span,
.chip,
.tool-index .go,
.stack-card .role,
.stack-index .role,
.cmdk [cmdk-group-heading] {
  letter-spacing: 0.08em !important;
}
.kicker {
  font-size: 0.7rem;
  font-weight: 650;
}

.lede,
.section .lead,
.page-hero p {
  max-width: 36rem;
  font-size: 1.0625rem;
  line-height: 1.55;
}
.hero-copy {
  max-width: 38rem;
}

.section {
  padding: 72px 0;
}
@media (width <= 480px) {
  .section { padding: 52px 0; }
}
.tool-index { margin-top: 28px; }
.stats { margin-top: 28px; }
.stack-grid,
.principles { margin-top: 28px; gap: 14px; }

/* Fix mobile tool-index .name / .blurb overlap */
.tool-index .tool-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.tool-index .name {
  display: block;
}
.tool-index .blurb {
  display: block;
  margin-top: 0 !important;
  line-height: 1.4;
  font-size: 0.92rem;
}
.tool-index a,
.tool-index .soon-row {
  align-items: start;
  padding: 16px 0;
  min-height: 64px;
  gap: 12px;
}
@media (width <= 860px) {
  .tool-index a,
  .tool-index .soon-row {
    grid-template-columns: 2.4rem 1fr;
    align-items: start;
  }
  .tool-meta {
    grid-column: 2;
    margin-top: 2px;
  }
  .tool-index .name {
    font-size: 1.2rem !important;
    line-height: 1.25 !important;
  }
  .tool-index .blurb {
    font-size: 0.9rem;
  }
}

/* —— 2) Honest hamburger — compact solid popover (NOT bottom sheet) —— */
.menu-btn { display: none !important; }
.nav-toggle { display: none; }
.nav-toggle .bars {
  position: relative;
  width: 18px;
  height: 14px;
  display: block;
}
.nav-toggle .bars span {
  position: absolute;
  left: 0; right: 0;
  height: 1.9px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--lab-dur-med) var(--lab-ease-spring),
    opacity var(--lab-dur-fast) var(--lab-ease-out);
}
.nav-toggle .bars span:nth-child(1) { top: 0; }
.nav-toggle .bars span:nth-child(2) { top: 6px; }
.nav-toggle .bars span:nth-child(3) { top: 12px; }
.nav-toggle.open .bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open .bars span:nth-child(2) { opacity: 0; }
.nav-toggle.open .bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.site-nav,
.nav-end { position: relative; }

/* Retire Base/pass1 bottom-sheet — compact absolute popover always */
.nav-drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(0, 0, 0, 0.28);
  border: 0;
}
.nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(240px, calc(100vw - 24px));
  z-index: 50;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-line-strong);
  border-radius: 14px;
  padding: 6px;
  max-height: calc(100dvh - 90px - env(safe-area-inset-top, 0px));
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  transform: translateY(-6px);
  transform-origin: top right;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--lab-dur-med) var(--lab-ease-out),
    transform var(--lab-dur-med) var(--lab-ease-out),
    visibility 0s linear var(--lab-dur-med);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.42), 0 2px 8px rgba(0, 0, 0, 0.2);
}
.nav-menu.open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s, 0s, 0s;
}
.nav-menu[hidden] {
  display: block !important;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}
.nav-menu.open:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}
.nav-menu a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-fg);
  text-decoration: none;
}
.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  background: var(--color-bg-subtle);
}

/* Kill legacy drawer + any ≤860 bottom-sheet theater */
.nav-drawer { display: none !important; }
@media (width <= 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .kbd, .brand-sub { display: none; }
  /* Stay compact popover — anchored under nav-end, NOT bottom sheet */
  .nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    bottom: auto;
    width: min(240px, calc(100vw - 24px));
    border-radius: 14px;
    transform: translateY(-6px);
    max-height: min(70dvh, 420px);
  }
  .nav-menu.open { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  /* Kill motion only — keep open-state X morph transforms (instant, no transition). */
  .nav-toggle .bars span,
  .nav-menu,
  .wx-menu {
    transition: none !important;
  }
  .nav-menu:not(.open),
  .wx-menu:not(.open) {
    transform: none !important;
  }
}
html.no-motion .nav-toggle .bars span,
html.no-motion .nav-menu,
html.no-motion .wx-menu {
  transition: none !important;
}
html.no-motion .nav-menu:not(.open),
html.no-motion .wx-menu:not(.open) {
  transform: none !important;
}

/* —— 3) Weather egg = opaque data chip (NO dual-canvas) —— */
.wx-btn.on {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.wx-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  z-index: 52;
  /* Solid opaque — tweet r8 / iOS lesson */
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-line-strong);
  border-radius: 14px;
  padding: 8px;
  opacity: 0;
  transform: translateY(-6px);
  transform-origin: top right;
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--lab-dur-med) var(--lab-ease-out),
    transform var(--lab-dur-med) var(--lab-ease-out),
    visibility 0s linear var(--lab-dur-med);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.42), 0 2px 8px rgba(0, 0, 0, 0.2);
}
.wx-menu.open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s, 0s, 0s;
}
.wx-menu[hidden] {
  display: block !important;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}
.wx-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px 10px;
  border-radius: 10px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-line);
  margin-bottom: 8px;
}
.wx-chip-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
}
.wx-chip-cond {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-fg);
  line-height: 1.25;
}
.wx-chip-meta {
  font-size: 0.8rem;
  color: var(--color-fg-muted);
  line-height: 1.35;
}
.wx-menu-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-fg-subtle);
  padding: 4px 8px 6px;
}
.wx-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-fg);
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.wx-opt:hover { background: var(--color-bg-subtle); }
.wx-opt.sel { color: var(--color-accent); }
.wx-opt.sel::after {
  content: "✓";
  margin-left: auto;
  font-weight: 700;
  color: var(--color-accent);
}
/* Decorative FX slot — aria-hidden, frozen under RM; never a viewport sky */
.wx-fx {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  border-radius: inherit;
  overflow: hidden;
  z-index: 0;
}
.wx-menu > *:not(.wx-fx) { position: relative; z-index: 1; }
html.no-motion .wx-fx { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  .wx-fx { display: none !important; }
}

/* —— 4) VT flicker kill + persist chrome —— */
.brand,
.brand-mark {
  view-transition-name: lab-brand;
}
#theme-btn {
  view-transition-name: lab-theme;
}
#nav-toggle {
  view-transition-name: lab-nav-toggle;
}
#weather-btn {
  view-transition-name: lab-weather;
}
#main {
  view-transition-name: lab-main;
}
/* Persist shells across ClientRouter swaps (Astro honors transition:persist attr in markup;
   CSS name alone helps paired old/new. Markup also gets data-astro-transition-persist.) */

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

/* —— 5) Scroll / footer paint stabilize (PR A) —— */
/* Kill backdrop-filter kick on first .scrolled — opaque/solid only */
.site-nav.scrolled,
html.on-field .site-nav.scrolled {
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  /* Prefer solid-ish paint; avoid blur composite at scroll start */
  background: color-mix(in oklab, var(--color-bg) 94%, transparent) !important;
  border-bottom: 1px solid var(--color-line) !important;
  transition: background-color var(--lab-dur-fast) var(--lab-ease-out),
    border-color var(--lab-dur-fast) var(--lab-ease-out);
}
html.on-field .site-nav.scrolled {
  background: color-mix(in oklab, #07090a 90%, transparent) !important;
  border-bottom-color: color-mix(in oklab, #f3f1ec 12%, transparent) !important;
}
html[data-theme="light"].on-field .site-nav.scrolled {
  background: color-mix(in oklab, var(--color-bg) 94%, transparent) !important;
}

/* Stable hero height — svh avoids mobile chrome 100dvh resize jitter */
.hero {
  min-height: 100vh !important;
  min-height: 100svh !important;
  /* fall back; avoid 100dvh as primary */
}

/* Desk + footer: own paint layer, no filter thrash at bottom edge */
.desk {
  isolation: isolate;
  contain: paint;
  background: var(--color-bg);
  transform: translateZ(0);
  backface-visibility: hidden;
}
.site-foot {
  isolation: isolate;
  contain: paint;
  background: var(--color-bg) !important;
  transform: translateZ(0);
  backface-visibility: hidden;
  /* no backdrop / filter on footer */
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  filter: none !important;
}
.foot-grid,
.foot-brand,
.foot-links,
.foot-meta {
  transform: none;
  filter: none;
}

@media (prefers-reduced-motion: reduce) {
  .site-nav.scrolled {
    transition: none !important;
  }
}