/* pb_public/css/base.css
   Reset, element defaults, and the few utilities every page needs. */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-gutter: stable;
  scroll-padding-top: calc(var(--safe-top) + var(--space-16));
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 400 var(--text-md)/var(--leading-body) var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur-base) var(--ease-calm),
              color var(--dur-base) var(--ease-calm);
}

main { flex: 1 0 auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  text-wrap: balance;
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
p, li { text-wrap: pretty; }
p { max-width: var(--measure); }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:not([class]):hover { text-decoration-thickness: 2px; }

img, video, svg, canvas { display: block; max-width: 100%; }
img, video { height: auto; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

::selection { background: var(--cta); color: var(--cta-text); }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: var(--space-2); left: var(--space-2); z-index: var(--z-toast);
  padding: var(--space-2) var(--space-4);
  background: var(--cta); color: var(--cta-text); border-radius: var(--radius-sm);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

.page {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.mono { font-family: var(--font-mono); font-size: var(--text-sm); }
.hand { font-family: var(--font-hand); }
.text-muted { color: var(--text-muted); }

.meta {
  display: flex; flex-wrap: wrap; align-items: center;
  font-size: var(--text-xs); line-height: var(--leading-snug);
  color: var(--text-muted);
}
.meta > * + *::before { content: "•"; margin-inline: var(--space-2); }
.meta strong { color: var(--text); font-weight: 600; }

.logomark {
  display: block;
  width: 32px;
  aspect-ratio: 1;
  background: currentColor;
  color: var(--text);
  -webkit-mask: var(--logomark) center / contain no-repeat;
          mask: var(--logomark) center / contain no-repeat;
  flex: none;
}
@media (min-width: 600px) { .logomark { width: 40px; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: var(--space-3) var(--space-6);
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-weight: 500; text-decoration: none;
  background: var(--cta); color: var(--cta-text);
  transition: opacity var(--dur-fast), background-color var(--dur-fast);
}
.btn:hover { opacity: 0.88; }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.4; cursor: not-allowed; }
.btn--print { background: var(--cta-print); color: var(--cta-print-text); }
.btn--ghost { background: transparent; color: inherit; border-color: var(--border-strong); }
.btn--mint  { background: var(--cta-on-dark); color: var(--cta-on-dark-text); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--text);
  transition:
    background-color var(--dur-base) var(--ease-calm),
    border-color     var(--dur-base) var(--ease-calm),
    color            var(--dur-base) var(--ease-calm);
}
.icon-btn svg { width: 18px; height: 18px; }
@media (min-width: 600px) {
  .icon-btn { width: 44px; height: 44px; }
  .icon-btn svg { width: 20px; height: 20px; }
}
.icon-btn--outlined { border: 1px solid var(--border-strong); }
.icon-btn--filled   { background: var(--btn-filled-bg); color: var(--btn-filled-text); }

.icon-group {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-base) var(--ease-calm);
}
.icon-group > .icon-btn { border-radius: 0; }
.icon-group > .icon-btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.icon-group > .icon-btn:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.icon-group > .icon-btn + .icon-btn {
  border-left: 1px solid var(--border-strong);
  transition: border-left-color var(--dur-base) var(--ease-calm);
}

.icon { width: 1em; height: 1em; fill: currentColor; flex: none; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-sunken) 25%, var(--border) 50%, var(--surface-sunken) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s linear infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer { to { background-position: -200% 0; } }

.progressive { position: relative; overflow: hidden; background: var(--surface-sunken); }
.progressive > img { width: 100%; }
.progressive > img.is-lq { filter: blur(16px); transform: scale(1.05); }
.progressive > img.is-hq {
  position: absolute; inset: 0; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity var(--dur-slow) var(--ease-calm);
}
.progressive > img.is-hq.is-loaded { opacity: 1; }

.grain { position: relative; isolation: isolate; }
.grain::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.14; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .skeleton { animation: none; }
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}