/* =================================================================
   ZNOLE X - main.css
   Verified institutional identity registry, India.
   ================================================================= */

:root {
  /* Brand */
  --paper:        #FAFAF6;
  --paper-dim:    #F2F2EC;
  --ink:          #0F1419;
  --ink-soft:     #1A2028;
  --seal-red:     #A53B2A;
  --seal-red-hov: #8A2F22;
  --seal-red-lt:  #D45B47; /* AA contrast variant for use on ink bg */
  --line:         #E5E7EB;
  --line-strong:  #D1D5DB;
  --muted:        #6B7280;

  /* Typography */
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-mono:  ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;

  /* Radius */
  --r-input: 6px;
  --r-card:  10px;
  --r-hero:  14px;
  --r-pill:  999px;

  /* Spacing (4px scale) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 20, 25, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 20, 25, 0.06);

  /* Layout */
  --container: 1200px;
  --prose-w:   760px;
  --header-h:  72px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* =================================================================
   Reset & base
   ================================================================= */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "cv01", "cv11";
}

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

a {
  color: var(--seal-red);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s var(--ease);
}
a:hover { color: var(--seal-red-hov); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--seal-red);
  outline-offset: 2px;
  border-radius: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 var(--s-4);
  color: var(--ink);
  letter-spacing: -0.005em;
}
h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -0.015em; }
h2 { font-size: clamp(24px, 3.5vw, 30px); }
h3 { font-size: 22px; }
h4 { font-size: 18px; font-family: var(--font-sans); font-weight: 600; }

h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  margin: 0 0 var(--s-3);
}
h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
h6 { font-size: 14px; }

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

::selection { background: var(--seal-red); color: var(--paper); }

button { font-family: inherit; cursor: pointer; }

input, textarea, select {
  font-family: inherit;
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s var(--ease);
  width: 100%;
}
input:hover, textarea:hover, select:hover { border-color: var(--line-strong); }
input:focus, textarea:focus, select:focus { border-color: var(--seal-red); outline: none; }

/* a11y helpers */
.screen-reader-text {
  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 */
.zx-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-3) var(--s-4);
  font-size: 14px;
  z-index: 999;
  text-decoration: none;
}
.zx-skip:focus { left: 0; top: 0; color: var(--paper); }

/* =================================================================
   Layout
   ================================================================= */
.zx-container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--s-5);
  padding-right: var(--s-5);
}
@media (max-width: 640px) {
  .zx-container { padding-left: var(--s-4); padding-right: var(--s-4); }
}

.zx-main {
  min-height: calc(100vh - var(--header-h) - 320px);
  padding: var(--s-7) 0 var(--s-8);
}
@media (max-width: 640px) {
  .zx-main { padding: var(--s-5) 0 var(--s-7); }
}

.zx-prose-wrap {
  width: 100%;
  padding-left: var(--s-5);
  padding-right: var(--s-5);
}
@media (max-width: 640px) {
  .zx-prose-wrap { padding-left: var(--s-4); padding-right: var(--s-4); }
}
.zx-prose {
  max-width: var(--prose-w);
  margin: 0 auto;
}

/* =================================================================
   Header
   ================================================================= */
.zx-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s var(--ease);
}
.zx-header.is-scrolled { box-shadow: var(--shadow-sm); }

.zx-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--s-5);
}

/* Brand */
.zx-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  text-decoration: none;
  color: var(--ink);
  line-height: 1;
}
.zx-brand:hover { color: var(--ink); }
.zx-brand:hover .zx-brand__mark { color: var(--seal-red-hov); }
.zx-brand__name {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.zx-brand__mark {
  font-family: var(--font-serif);
  font-weight: 700;
  font-style: italic;
  font-size: 22px;
  color: var(--seal-red);
  letter-spacing: -0.04em;
  transition: color 0.15s var(--ease);
}

.custom-logo-link { display: inline-flex; align-items: center; }
.custom-logo { max-height: 36px; width: auto; }

/* Primary nav (desktop) */
.zx-nav { display: flex; align-items: center; }
.zx-nav__list {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  list-style: none;
  margin: 0;
  padding: 0;
}
.zx-nav__list > li > a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: var(--s-2) 0;
  position: relative;
}
.zx-nav__list > li > a:hover { color: var(--seal-red); }
.zx-nav__list > li.current-menu-item > a,
.zx-nav__list > li.current_page_item > a {
  color: var(--seal-red);
}
.zx-nav__list > li.current-menu-item > a::after,
.zx-nav__list > li.current_page_item > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--seal-red);
}

/* Hamburger */
.zx-burger {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--r-input);
  align-items: center;
  justify-content: center;
}
.zx-burger__bars {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
  transition: background 0.2s var(--ease);
}
.zx-burger__bars::before,
.zx-burger__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), top 0.25s var(--ease);
}
.zx-burger__bars::before { top: -6px; }
.zx-burger__bars::after  { top:  6px; }

.zx-burger.is-active .zx-burger__bars { background: transparent; }
.zx-burger.is-active .zx-burger__bars::before { top: 0; transform: rotate(45deg); }
.zx-burger.is-active .zx-burger__bars::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .zx-burger { display: inline-flex; position: relative; z-index: 60; }

  /* Full-screen overlay menu */
  .zx-nav {
    position: fixed;
    inset: 0;
    background: var(--paper);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s var(--ease), visibility 0.2s var(--ease), transform 0.25s var(--ease);
    z-index: 40;
    padding: var(--s-7) var(--s-5);
  }
  .zx-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .zx-nav__list {
    flex-direction: column;
    gap: var(--s-4);
    text-align: center;
  }
  .zx-nav__list > li > a {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 500;
    padding: var(--s-3) 0;
    letter-spacing: -0.01em;
  }
  .zx-nav__list > li.current-menu-item > a::after,
  .zx-nav__list > li.current_page_item > a::after { display: none; }

  body.zx-nav-open { overflow: hidden; }
}

/* =================================================================
   Prose (page, single, archive shared)
   ================================================================= */
.zx-prose__header {
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--line);
}
.zx-prose__header h1 { margin-bottom: var(--s-2); }
.zx-prose__meta {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: var(--s-3);
}
.zx-prose__lede {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.55;
  font-family: var(--font-serif);
  font-style: italic;
  margin-top: var(--s-3);
}

.zx-prose__body {
  font-size: 17px;
  line-height: 1.7;
}
.zx-prose__body > * + * { margin-top: var(--s-4); }
.zx-prose__body img {
  border-radius: var(--r-card);
  margin: var(--s-5) 0;
}
.zx-prose__body h2 { margin-top: var(--s-6); }
.zx-prose__body h3 { margin-top: var(--s-5); }
.zx-prose__body blockquote {
  border-left: 3px solid var(--seal-red);
  padding: var(--s-2) var(--s-5);
  margin: var(--s-5) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--ink-soft);
}
.zx-prose__body code {
  background: var(--paper-dim);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: var(--r-input);
  font-size: 14px;
  font-family: var(--font-mono);
}
.zx-prose__body pre {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-4);
  border-radius: var(--r-card);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
}
.zx-prose__body pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}
.zx-prose__body ul, .zx-prose__body ol { padding-left: var(--s-5); }
.zx-prose__body li { margin-bottom: var(--s-2); }
.zx-prose__body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: var(--s-6) 0;
}

/* =================================================================
   Buttons
   ================================================================= */
.zx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 12px 22px;
  border-radius: var(--r-input);
  font-weight: 500;
  font-size: 14px;
  font-family: var(--font-sans);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
  line-height: 1;
  cursor: pointer;
}
.zx-btn--primary {
  background: var(--seal-red);
  color: var(--paper);
}
.zx-btn--primary:hover {
  background: var(--seal-red-hov);
  color: var(--paper);
}
.zx-btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.zx-btn--ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* =================================================================
   Archive listing
   ================================================================= */
.zx-archive {
  list-style: none;
  margin: 0;
  padding: 0;
}
.zx-archive__item {
  border-bottom: 1px solid var(--line);
}
.zx-archive__item:first-child {
  border-top: 1px solid var(--line);
}
.zx-archive__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) 0;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.15s var(--ease);
}
.zx-archive__link:hover { color: var(--seal-red); }
.zx-archive__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.zx-archive__date {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) {
  .zx-archive__link { flex-direction: column; align-items: flex-start; gap: var(--s-1); }
  .zx-archive__title { font-size: 18px; order: 2; }
  .zx-archive__date { order: 1; }
}

.zx-pager { margin-top: var(--s-6); display: flex; flex-wrap: wrap; gap: var(--s-2); }
.zx-pager .page-numbers {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  text-decoration: none;
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease);
}
.zx-pager .page-numbers.current {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.zx-pager .page-numbers:hover {
  border-color: var(--seal-red);
  color: var(--seal-red);
}

/* =================================================================
   404
   ================================================================= */
.zx-404 {
  text-align: center;
  padding: var(--s-7) 0;
}
.zx-404__seal {
  width: 92px;
  height: 92px;
  margin: 0 auto var(--s-5);
  border-radius: var(--r-pill);
  border: 2px solid var(--seal-red);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
}
.zx-404__seal .zx-brand__mark {
  font-size: 48px;
  line-height: 1;
}
.zx-404__title {
  font-size: clamp(28px, 4.5vw, 38px);
  margin-bottom: var(--s-3);
}
.zx-404__lede {
  color: var(--muted);
  font-size: 17px;
  font-family: var(--font-serif);
  font-style: italic;
  max-width: 520px;
  margin: 0 auto var(--s-6);
}
.zx-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  justify-content: center;
}

/* =================================================================
   Footer (dark)
   ================================================================= */
.zx-footer {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-8) 0 var(--s-5);
  margin-top: var(--s-9);
}
.zx-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid rgba(250, 250, 246, 0.12);
}
@media (max-width: 860px) {
  .zx-footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-5);
  }
}
@media (max-width: 480px) {
  .zx-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }
}
.zx-footer__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(250, 250, 246, 0.55);
  margin: 0 0 var(--s-4);
  font-family: var(--font-sans);
}
.zx-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.zx-footer__links a {
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s var(--ease);
}
.zx-footer__links a:hover { color: var(--seal-red-lt); }

.zx-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-top: var(--s-5);
}
.zx-footer__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
.zx-footer__brand .zx-brand__name { color: var(--paper); }
.zx-footer__brand .zx-brand__mark { color: var(--seal-red-lt); }
.zx-footer__copy {
  font-size: 13px;
  color: rgba(250, 250, 246, 0.6);
}

/* =================================================================
   WP alignment & block utilities
   ================================================================= */
.alignleft  { float: left;  margin: 4px 24px 16px 0; }
.alignright { float: right; margin: 4px 0 16px 24px; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  margin-top: var(--s-2);
}

/* =================================================================
   Reduced motion
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}