/**
 * Punzday — Base layer
 */

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

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

body{
  margin: 0;
  background: var(--pz-bg);
  color: var(--pz-text);
  font-family: var(--pz-font-body);
  font-size: var(--pz-fs-base);
  line-height: var(--pz-lh-normal);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--pz-duration-base) var(--pz-ease-out), color var(--pz-duration-base) var(--pz-ease-out);
  overflow-x: hidden;
}

img, svg, video{ max-width: 100%; display: block; height: auto; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
button, input, select, textarea{ font-family: inherit; font-size: inherit; color: inherit; }
button{ cursor: pointer; background: none; border: none; }

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

.skip-link{ position: absolute; left: -9999px; top: 0; z-index: 1000; background: var(--pz-navy); color: #fff; padding: var(--pz-space-3) var(--pz-space-4); border-radius: var(--pz-radius-sm); }
.skip-link:focus{ left: var(--pz-space-3); top: var(--pz-space-3); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, .pz-heading{
  font-family: var(--pz-font-display);
  color: var(--pz-navy);
  line-height: var(--pz-lh-tight);
  font-weight: var(--pz-fw-bold);
  margin: 0 0 var(--pz-space-4);
  letter-spacing: -0.02em;
}
h1, .pz-h1{ font-size: var(--pz-fs-3xl); }
h2, .pz-h2{ font-size: var(--pz-fs-2xl); }
h3, .pz-h3{ font-size: var(--pz-fs-xl); }
h4, .pz-h4{ font-size: var(--pz-fs-md); }

@media (max-width: 640px){
  h1, .pz-h1{ font-size: 2.25rem; }
  h2, .pz-h2{ font-size: 1.75rem; }
  h3, .pz-h3{ font-size: 1.375rem; }
}

p{ margin: 0 0 var(--pz-space-4); }

.pz-eyebrow{
  display: inline-flex; align-items: center; gap: var(--pz-space-2);
  font-size: var(--pz-fs-xs); font-weight: var(--pz-fw-semibold);
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--pz-navy-700);
  background: var(--pz-yellow-100); padding: var(--pz-space-1) var(--pz-space-3);
  border-radius: var(--pz-radius-pill);
}

.pz-lede{ font-size: var(--pz-fs-md); color: var(--pz-text-muted); line-height: var(--pz-lh-snug); }

.pz-prose{ font-size: 1.0625rem; line-height: 1.75; }
.pz-prose > *:first-child{ margin-top: 0; }
.pz-prose h2{ margin-top: var(--pz-space-8); }
.pz-prose h3{ margin-top: var(--pz-space-7); }
.pz-prose a{ color: var(--pz-navy); text-decoration: underline; text-decoration-color: var(--pz-yellow); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.pz-prose ul, .pz-prose ol{ margin: 0 0 var(--pz-space-5); padding-left: 1.25em; list-style: disc; }
.pz-prose li{ margin-bottom: var(--pz-space-2); }
.pz-prose img{ border-radius: var(--pz-radius-lg); margin: var(--pz-space-6) 0; }

/* ---------- Layout ---------- */
.pz-container{ max-width: var(--pz-container-max); margin-inline: auto; padding-inline: var(--pz-space-5); }
.pz-container--narrow{ max-width: var(--pz-container-narrow); }

.pz-section{ padding-block: var(--pz-space-9); }
.pz-section--tight{ padding-block: var(--pz-space-7); }
.pz-section--navy{ background: var(--pz-navy); color: rgba(255,255,255,0.9); }
.pz-section--navy h2{ color: #fff; }

.pz-grid{ display: grid; gap: var(--pz-space-5); }
.pz-grid--2{ grid-template-columns: repeat(2, 1fr); }
.pz-grid--3{ grid-template-columns: repeat(3, 1fr); }
.pz-grid--4{ grid-template-columns: repeat(4, 1fr); }

@media (max-width: 960px){
  .pz-grid--3, .pz-grid--4{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px){
  .pz-grid--2, .pz-grid--3, .pz-grid--4{ grid-template-columns: 1fr; }
  .pz-section{ padding-block: var(--pz-space-7); }
  .pz-container{ padding-inline: var(--pz-space-4); }
}

.pz-flex{ display: flex; align-items: center; }
.pz-flex--between{ justify-content: space-between; }
.pz-flex--wrap{ flex-wrap: wrap; }
.pz-flex--gap-2{ gap: var(--pz-space-2); }
.pz-flex--gap-3{ gap: var(--pz-space-3); }
.pz-flex--gap-4{ gap: var(--pz-space-4); }

.pz-visually-hidden{ position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.pz-sidebar-layout{ display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--pz-space-8); align-items: start; }
@media (max-width: 960px){ .pz-sidebar-layout{ grid-template-columns: 1fr; } }

/* Reveal-on-scroll utility, powered by IntersectionObserver in main.js */
[data-pz-reveal]{ opacity: 0; transform: translateY(14px); transition: opacity var(--pz-duration-slow) var(--pz-ease-out), transform var(--pz-duration-slow) var(--pz-ease-out); }
[data-pz-reveal].is-visible{ opacity: 1; transform: none; }