/*
Theme Name: Katlax Blog
Theme URI: https://katlax.com/blog
Author: Katlax Enterprises Pvt Ltd
Author URI: https://katlax.com
Description: Editorial blog theme for katlax.com, matched to the main site's design system (Plus Jakarta Sans / DM Sans / JetBrains Mono, navy primary + blue accent). Designed to live behind katlax.com/blog via reverse-proxy from a Hostinger WordPress install. Header and footer link back to katlax.com so visitors don't feel they've left the brand.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: Proprietary — internal Katlax use
Text Domain: katlax-blog
Tags: blog, two-columns, custom-menu, featured-images, full-width-template
*/

/* ─────────────────── Design tokens ─────────────────── */
:root {
  --kx-primary-900: hsl(209 85% 14%);
  --kx-primary-800: hsl(209 85% 23%);
  --kx-primary-700: hsl(206 88% 33%);
  --kx-primary-100: hsl(206 77% 93%);
  --kx-accent:      hsl(209 78% 50%);
  --kx-accent-600:  hsl(203 100% 37%);
  --kx-neutral-950: hsl(213 30% 6%);
  --kx-neutral-800: hsl(215 26% 17%);
  --kx-neutral-600: hsl(215 15% 35%);
  --kx-neutral-400: hsl(215 16% 62%);
  --kx-neutral-200: hsl(214 32% 91%);
  --kx-neutral-100: hsl(210 40% 96%);
  --kx-neutral-50:  hsl(210 40% 98%);
  --kx-white: #fff;

  --kx-radius: 6px;
  --kx-radius-lg: 12px;

  --kx-font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --kx-font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --kx-font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --kx-container: 1200px;
}

/* ─────────────────── Reset / base ─────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--kx-neutral-800);
  background: var(--kx-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--kx-font-display);
  color: var(--kx-neutral-950);
  line-height: 1.25;
  margin: 0 0 .6em;
  letter-spacing: -0.01em;
  font-weight: 700;
}
h1 { font-size: clamp(1.85rem, 4vw, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1.1em; }
a { color: var(--kx-accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--kx-accent-600); text-decoration: underline; text-underline-offset: 3px; }

img { max-width: 100%; height: auto; display: block; border-radius: var(--kx-radius); }
figure { margin: 1.5em 0; }
figcaption { font-size: .85rem; color: var(--kx-neutral-600); margin-top: .5em; text-align: center; }

blockquote {
  margin: 1.5em 0;
  padding: 1em 1.25em;
  border-left: 4px solid var(--kx-accent);
  background: var(--kx-neutral-50);
  border-radius: 0 var(--kx-radius) var(--kx-radius) 0;
  font-style: italic;
  color: var(--kx-neutral-800);
}
blockquote p:last-child { margin-bottom: 0; }

code, kbd, pre {
  font-family: var(--kx-font-mono);
  font-size: .92em;
}
code {
  background: var(--kx-neutral-100);
  color: var(--kx-primary-800);
  padding: .15em .4em;
  border-radius: 4px;
}
pre {
  background: var(--kx-neutral-950);
  color: var(--kx-neutral-100);
  padding: 1em 1.25em;
  border-radius: var(--kx-radius);
  overflow-x: auto;
  line-height: 1.5;
  margin: 1.5em 0;
}
pre code { background: none; color: inherit; padding: 0; }

ul, ol { padding-left: 1.4em; margin: 0 0 1.1em; }
li { margin-bottom: .35em; }

hr {
  border: 0;
  border-top: 1px solid var(--kx-neutral-200);
  margin: 2em 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: .95em;
  border-radius: var(--kx-radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--kx-neutral-200);
}
th, td { padding: .75em 1em; text-align: left; border-bottom: 1px solid var(--kx-neutral-200); }
thead th { background: var(--kx-primary-800); color: var(--kx-white); font-family: var(--kx-font-display); font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--kx-neutral-50); }

::selection { background: var(--kx-accent); color: var(--kx-white); }

/* ─────────────────── Layout primitives ─────────────────── */
.kx-container { max-width: var(--kx-container); margin: 0 auto; padding: 0 1.5rem; }
.kx-container--narrow { max-width: 760px; }

/* ─────────────────── Skip link ─────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--kx-primary-800);
  color: #fff;
  padding: .75em 1em;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ─────────────────── Site header ─────────────────── */
.kx-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--kx-white);
  border-bottom: 1px solid var(--kx-neutral-200);
  backdrop-filter: saturate(180%) blur(10px);
  background: hsl(0 0% 100% / .92);
}
.kx-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}
.kx-header__logo {
  font-family: var(--kx-font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--kx-primary-800);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.kx-header__logo:hover { color: var(--kx-primary-700); text-decoration: none; }
.kx-header__logo-mark {
  display: inline-block;
  width: 32px;
  height: 32px;
  background: var(--kx-primary-800);
  color: #fff;
  border-radius: var(--kx-radius);
  text-align: center;
  line-height: 32px;
  font-weight: 800;
}
.kx-nav { display: flex; align-items: center; gap: 1.75rem; }
.kx-nav a {
  font-family: var(--kx-font-display);
  font-weight: 500;
  font-size: .92rem;
  color: var(--kx-neutral-800);
  text-decoration: none;
}
.kx-nav a:hover { color: var(--kx-accent); text-decoration: none; }
.kx-nav__cta {
  background: var(--kx-accent);
  color: var(--kx-white) !important;
  padding: .55em 1.1em;
  border-radius: var(--kx-radius);
  font-weight: 600;
  transition: background .15s;
}
.kx-nav__cta:hover { background: var(--kx-accent-600); color: var(--kx-white) !important; }

@media (max-width: 768px) {
  .kx-nav { gap: 1rem; }
  .kx-nav a:not(.kx-nav__cta) { display: none; }
}

/* ─────────────────── Page banner ─────────────────── */
.kx-banner {
  background: var(--kx-primary-800);
  background-image:
    radial-gradient(circle at 20% 30%, hsl(206 88% 33% / .3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, hsl(209 85% 14% / .5) 0%, transparent 50%);
  color: var(--kx-white);
  padding: 4rem 0 3rem;
}
.kx-banner__crumbs {
  font-size: .85rem;
  color: hsl(214 32% 91% / .7);
  margin-bottom: .75rem;
  font-family: var(--kx-font-mono);
}
.kx-banner__crumbs a { color: inherit; }
.kx-banner__crumbs a:hover { color: var(--kx-white); }
.kx-banner__crumbs span { margin: 0 .35em; opacity: .5; }
.kx-banner h1 { color: var(--kx-white); margin: 0; max-width: 800px; }
.kx-banner__lede {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: hsl(214 32% 91% / .85);
  max-width: 700px;
}

/* ─────────────────── Main area + sidebar ─────────────────── */
.kx-main { padding: 3rem 0 4rem; }
.kx-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 960px) {
  .kx-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ─────────────────── Post cards (archive / home) ─────────────────── */
.kx-posts {
  display: grid;
  gap: 2rem;
}
.kx-card {
  background: var(--kx-white);
  border: 1px solid var(--kx-neutral-200);
  border-radius: var(--kx-radius-lg);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s, border-color .2s;
}
.kx-card:hover {
  box-shadow: 0 12px 32px -8px hsl(213 30% 6% / .15);
  transform: translateY(-2px);
  border-color: var(--kx-neutral-400);
}
.kx-card__thumb {
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--kx-neutral-100);
  overflow: hidden;
}
.kx-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform .4s;
}
.kx-card:hover .kx-card__thumb img { transform: scale(1.04); }
.kx-card__body { padding: 1.5rem; }
.kx-card__meta {
  font-family: var(--kx-font-mono);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--kx-neutral-600);
  margin-bottom: .75rem;
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
}
.kx-card__cat {
  background: var(--kx-primary-100);
  color: var(--kx-primary-800);
  padding: .15em .6em;
  border-radius: 3px;
  font-weight: 600;
}
.kx-card__title {
  font-size: 1.35rem;
  margin: 0 0 .65em;
  line-height: 1.3;
}
.kx-card__title a { color: var(--kx-neutral-950); }
.kx-card__title a:hover { color: var(--kx-accent); text-decoration: none; }
.kx-card__excerpt {
  color: var(--kx-neutral-600);
  font-size: .95rem;
  margin: 0 0 1rem;
}
.kx-card__readmore {
  font-family: var(--kx-font-display);
  font-weight: 600;
  font-size: .85rem;
  display: inline-flex;
  align-items: center;
  gap: .35em;
}
.kx-card__readmore:hover { text-decoration: none; }
.kx-card__readmore::after { content: '→'; transition: transform .2s; }
.kx-card__readmore:hover::after { transform: translateX(3px); }

/* Featured (first) post — larger card */
.kx-card--featured .kx-card__title { font-size: 1.75rem; }
.kx-card--featured .kx-card__body { padding: 2rem; }

/* ─────────────────── Single post ─────────────────── */
.kx-single { background: var(--kx-white); }
.kx-single__hero {
  margin: -3rem 0 2.5rem;
  aspect-ratio: 21 / 9;
  background: var(--kx-neutral-100);
  border-radius: var(--kx-radius-lg);
  overflow: hidden;
}
.kx-single__hero img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }

.kx-prose { font-size: 1.05rem; line-height: 1.75; color: var(--kx-neutral-800); }
.kx-prose h2 { margin-top: 2em; padding-bottom: .35em; border-bottom: 2px solid var(--kx-neutral-200); }
.kx-prose h3 { margin-top: 1.75em; color: var(--kx-primary-800); }
.kx-prose ul li::marker, .kx-prose ol li::marker { color: var(--kx-accent); }
.kx-prose img { margin: 1.75em auto; box-shadow: 0 10px 30px -10px hsl(213 30% 6% / .2); }
.kx-prose a { font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: hsl(209 78% 50% / .35); }
.kx-prose a:hover { text-decoration-color: var(--kx-accent); }

.kx-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  margin: 3rem 0 0;
  background: var(--kx-neutral-50);
  border-radius: var(--kx-radius-lg);
  border: 1px solid var(--kx-neutral-200);
}
.kx-author__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--kx-primary-800);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--kx-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.kx-author__name {
  font-family: var(--kx-font-display);
  font-weight: 700;
  color: var(--kx-neutral-950);
  margin: 0 0 .15em;
}
.kx-author__bio { margin: 0; font-size: .9rem; color: var(--kx-neutral-600); }

.kx-tags { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.kx-tag {
  background: var(--kx-neutral-100);
  color: var(--kx-neutral-800);
  padding: .35em .8em;
  border-radius: 999px;
  font-size: .82rem;
  font-family: var(--kx-font-display);
  font-weight: 500;
}
.kx-tag:hover { background: var(--kx-primary-100); color: var(--kx-primary-800); text-decoration: none; }

.kx-share {
  display: flex;
  gap: .5rem;
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--kx-neutral-200);
  border-bottom: 1px solid var(--kx-neutral-200);
  font-family: var(--kx-font-display);
  font-size: .9rem;
  align-items: center;
}
.kx-share__label { font-weight: 600; color: var(--kx-neutral-600); margin-right: .5rem; }
.kx-share a {
  padding: .4em .9em;
  border-radius: var(--kx-radius);
  background: var(--kx-neutral-100);
  color: var(--kx-neutral-800);
  font-weight: 500;
}
.kx-share a:hover { background: var(--kx-primary-800); color: #fff; text-decoration: none; }

/* ─────────────────── Sidebar ─────────────────── */
.kx-sidebar > * + * { margin-top: 2rem; }
.kx-widget {
  background: var(--kx-neutral-50);
  border: 1px solid var(--kx-neutral-200);
  border-radius: var(--kx-radius-lg);
  padding: 1.5rem;
}
.kx-widget__title {
  font-family: var(--kx-font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--kx-primary-800);
  margin: 0 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--kx-accent);
  display: inline-block;
}
.kx-widget ul { list-style: none; padding: 0; margin: 0; }
.kx-widget li {
  padding: .55em 0;
  border-bottom: 1px solid var(--kx-neutral-200);
  font-size: .95rem;
}
.kx-widget li:last-child { border-bottom: none; }
.kx-widget li a { color: var(--kx-neutral-800); }
.kx-widget li a:hover { color: var(--kx-accent); text-decoration: none; }

.kx-search__form { display: flex; gap: .5rem; }
.kx-search__input {
  flex: 1;
  padding: .65em .85em;
  border: 1px solid var(--kx-neutral-200);
  border-radius: var(--kx-radius);
  font-family: var(--kx-font-body);
  font-size: .95rem;
}
.kx-search__input:focus {
  outline: 2px solid var(--kx-accent);
  outline-offset: 2px;
  border-color: var(--kx-accent);
}
.kx-search__submit {
  background: var(--kx-primary-800);
  color: #fff;
  border: none;
  padding: .65em 1.1em;
  border-radius: var(--kx-radius);
  font-family: var(--kx-font-display);
  font-weight: 600;
  cursor: pointer;
  font-size: .9rem;
}
.kx-search__submit:hover { background: var(--kx-primary-700); }

/* ─────────────────── Pagination ─────────────────── */
.kx-pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  gap: .35rem;
  flex-wrap: wrap;
}
.kx-pagination a,
.kx-pagination span {
  padding: .55em 1em;
  border-radius: var(--kx-radius);
  background: var(--kx-neutral-100);
  color: var(--kx-neutral-800);
  font-family: var(--kx-font-display);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
}
.kx-pagination a:hover { background: var(--kx-primary-800); color: #fff; }
.kx-pagination .current { background: var(--kx-accent); color: #fff; }

/* ─────────────────── Comments ─────────────────── */
.kx-comments {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 2px solid var(--kx-neutral-200);
}
.kx-comments__title { margin: 0 0 1.5rem; }
.kx-comments ol { list-style: none; padding: 0; }
.kx-comments .comment {
  padding: 1.25rem;
  margin-bottom: 1rem;
  background: var(--kx-neutral-50);
  border-radius: var(--kx-radius-lg);
  border: 1px solid var(--kx-neutral-200);
}
.kx-comments .comment .children {
  margin-top: 1rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--kx-neutral-200);
}
.kx-comments .comment-author { font-family: var(--kx-font-display); font-weight: 700; color: var(--kx-neutral-950); }
.kx-comments .comment-meta { font-size: .8rem; color: var(--kx-neutral-600); margin-bottom: .65rem; }
.kx-comments form input[type=text],
.kx-comments form input[type=email],
.kx-comments form input[type=url],
.kx-comments form textarea {
  width: 100%;
  padding: .65em .85em;
  border: 1px solid var(--kx-neutral-200);
  border-radius: var(--kx-radius);
  font-family: var(--kx-font-body);
  font-size: .95rem;
  margin-bottom: 1rem;
}
.kx-comments form .submit {
  background: var(--kx-accent);
  color: #fff;
  border: none;
  padding: .7em 1.5em;
  border-radius: var(--kx-radius);
  font-family: var(--kx-font-display);
  font-weight: 600;
  cursor: pointer;
}
.kx-comments form .submit:hover { background: var(--kx-accent-600); }

/* ─────────────────── Footer ─────────────────── */
.kx-footer {
  background: var(--kx-neutral-950);
  color: hsl(214 32% 91% / .75);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.kx-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 768px) {
  .kx-footer__grid { grid-template-columns: 1fr 1fr; }
}
.kx-footer__col h4 {
  color: #fff;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 0 0 1rem;
}
.kx-footer__col ul { list-style: none; padding: 0; margin: 0; }
.kx-footer__col li { padding: .25em 0; font-size: .9rem; }
.kx-footer__col a { color: inherit; }
.kx-footer__col a:hover { color: #fff; text-decoration: none; }
.kx-footer__brand {
  font-family: var(--kx-font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 .75rem;
}
.kx-footer__tag { font-size: .9rem; max-width: 320px; }
.kx-footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid hsl(215 26% 17%);
  font-size: .8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ─────────────────── WP-required classes ─────────────────── */
.alignleft  { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { display: block; margin: 1.5em auto; }
.alignwide   { max-width: calc(100% + 4rem); margin-left: -2rem; margin-right: -2rem; }
.alignfull   { width: 100vw; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); max-width: 100vw; border-radius: 0; }
.wp-caption  { max-width: 100%; }
.wp-caption-text { font-size: .85rem; color: var(--kx-neutral-600); margin-top: .5em; text-align: center; }
.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
  height: 1px; margin: -1px; overflow: hidden; padding: 0;
  position: absolute; width: 1px; word-wrap: normal !important;
}
.sticky { /* styled via card */ }
.bypostauthor { /* no special styling */ }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 1.5em 0; }
.gallery-item { margin: 0; }
.gallery-caption { font-size: .8rem; }

/* ─────────────────── 404 ─────────────────── */
.kx-404 { text-align: center; padding: 4rem 0; }
.kx-404__code {
  font-family: var(--kx-font-mono);
  font-size: 8rem;
  font-weight: 700;
  color: var(--kx-primary-100);
  line-height: 1;
  margin-bottom: 1rem;
}