/*
Theme Name: Techzine
Theme URI: https://techztalk.com
Author: TechzTalk
Author URI: https://techztalk.com
Description: A clean, modern editorial theme built for tech blogs and digital-growth publications. Pairs a geometric display face with a readable serif body, and uses a bracket-tag motif borrowed from code syntax to mark categories and metadata. Fully responsive, widget-ready, and translation-ready.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: techzine
*/

/* ==========================================================================
   0. Design tokens
   ========================================================================== */
:root{
  --bg:            #FAFAF8;
  --bg-raised:     #FFFFFF;
  --ink:           #15181D;
  --ink-muted:     #63676F;
  --line:          #E4E2DB;
  --signal:        #2452FF;   /* electric signal blue — links, primary accent */
  --signal-ink:    #1638B3;
  --amber:         #F5A623;   /* bracket-tag accent */
  --amber-ink:     #8A5A00;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1180px;
  --gap:  32px;
  --radius: 3px;
}

/* ==========================================================================
   1. Reset & base
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; height: auto; display: block; }
a{ color: var(--signal); text-decoration: none; }
a:hover{ color: var(--signal-ink); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.screen-reader-text{
  position: absolute !important; width:1px; height:1px; overflow:hidden;
  clip: rect(1px,1px,1px,1px); white-space: nowrap; border:0; padding:0; margin:-1px;
}
.skip-link{
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 18px; font-family: var(--font-mono); font-size: 13px;
}
.skip-link:focus{ left: 24px; top: 24px; }

/* ==========================================================================
   2. Bracket-tag motif (signature element)
   ========================================================================== */
.tag{
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--amber-ink);
}
.tag::before{ content: "{"; color: var(--amber); font-weight: 600; }
.tag::after{ content: "}"; color: var(--amber); font-weight: 600; }
.tag a{ color: inherit; }
.tag a:hover{ color: var(--signal-ink); text-decoration: none; }

.meta{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.meta a{ color: var(--ink-muted); }
.meta a:hover{ color: var(--signal); }
.meta .dot{ margin: 0 8px; opacity: .5; }

/* ==========================================================================
   3. Header
   ========================================================================== */
.site-header{
  border-bottom: 1px solid var(--line);
  background: var(--bg-raised);
  position: sticky; top: 0; z-index: 50;
}
.site-header-inner{
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
  gap: 24px;
}
.site-branding{ display: flex; align-items: center; gap: 12px; }
.site-title{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}
.site-title a{ color: var(--ink); text-decoration: none; }
.site-title a span{ color: var(--signal); }
.site-description{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 2px;
}
.custom-logo-link img{ max-height: 42px; width: auto; }

.primary-nav ul{ display: flex; gap: 28px; align-items: center; }
.primary-nav a{
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a{
  border-bottom-color: var(--amber);
}

.menu-toggle{
  display: none;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 12px; font-family: var(--font-mono); font-size: 12px;
}

@media (max-width: 780px){
  .menu-toggle{ display: inline-flex; align-items: center; gap: 8px; }
  .primary-nav{ display: none; width: 100%; }
  .primary-nav.is-open{ display: block; }
  .primary-nav ul{ flex-direction: column; align-items: flex-start; gap: 4px; padding: 16px 0; }
  .site-header-inner{ flex-wrap: wrap; }
}

/* ==========================================================================
   4. Hero / featured post
   ========================================================================== */
.hero{
  border-bottom: 1px solid var(--line);
  padding: 56px 0 48px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--gap);
  align-items: center;
}
.hero-thumb{
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--line);
}
.hero-thumb img{ width: 100%; height: 100%; object-fit: cover; }
.hero-title{
  font-size: clamp(32px, 4vw, 48px);
  margin: 14px 0 16px;
}
.hero-title a{ color: var(--ink); text-decoration: none; }
.hero-title a:hover{ color: var(--signal-ink); }
.hero-excerpt{ color: var(--ink-muted); font-size: 18px; margin-bottom: 16px; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   5. Post grid / cards
   ========================================================================== */
.section-heading{
  display: flex; align-items: baseline; gap: 12px;
  margin: 56px 0 24px;
}
.section-heading h2{
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  margin: 0;
}
.section-heading::after{
  content: ""; flex: 1; height: 1px; background: var(--line);
}

.post-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
@media (max-width: 900px){ .post-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .post-grid{ grid-template-columns: 1fr; } }

.card{ display: flex; flex-direction: column; }
.card-thumb{
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--line);
  margin-bottom: 14px;
}
.card-thumb img{ width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.card:hover .card-thumb img{ transform: scale(1.04); }
.card-title{ font-size: 21px; margin: 10px 0 8px; }
.card-title a{ color: var(--ink); text-decoration: none; }
.card-title a:hover{ color: var(--signal-ink); }
.card-excerpt{ color: var(--ink-muted); font-size: 15.5px; margin: 0 0 10px; }

.pagination{
  display: flex; justify-content: center; gap: 8px; margin: 56px 0 32px;
  font-family: var(--font-mono); font-size: 13px;
}
.pagination a, .pagination span{
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink);
}
.pagination .current{ background: var(--ink); color: #fff; border-color: var(--ink); }
.pagination a:hover{ border-color: var(--signal); color: var(--signal); text-decoration: none; }

/* ==========================================================================
   6. Layout: content + sidebar
   ========================================================================== */
.content-area{ padding: 48px 0 64px; }
.layout{ display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: start; }
@media (max-width: 900px){ .layout{ grid-template-columns: 1fr; } }

.widget{ margin-bottom: 40px; }
.widget-title{
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 16px;
}
.widget ul li{ padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.widget ul li:last-child{ border-bottom: none; }
.widget_search input[type="search"]{ width: 100%; }

/* ==========================================================================
   7. Single post
   ========================================================================== */
.single-header{ max-width: 760px; margin: 0 auto 32px; text-align: left; }
.single-title{ font-size: clamp(30px, 4vw, 44px); margin: 14px 0 16px; }
.single-thumb{
  max-width: var(--wrap); margin: 0 auto 40px;
  border-radius: var(--radius); overflow: hidden;
}

.entry-content{
  max-width: 760px; margin: 0 auto;
  font-size: 19px;
}
.entry-content p{ margin: 0 0 1.4em; }
.entry-content h2{
  font-size: 28px; margin: 2em 0 .6em;
  padding-top: .2em;
}
.entry-content h3{ font-size: 22px; margin: 1.8em 0 .5em; }
.entry-content a{ text-decoration: underline; text-underline-offset: 3px; }
.entry-content blockquote{
  margin: 2em 0; padding: 4px 0 4px 24px;
  border-left: 3px solid var(--amber);
  font-style: italic; color: var(--ink-muted);
  font-size: 21px;
}
.entry-content img{ border-radius: var(--radius); margin: 8px 0; }
.entry-content code{
  font-family: var(--font-mono); background: var(--line); padding: 2px 6px; border-radius: 3px; font-size: .85em;
}
.entry-content pre{
  background: var(--ink); color: #F4F2EA; padding: 20px; border-radius: var(--radius);
  overflow-x: auto; font-family: var(--font-mono); font-size: 14px; line-height: 1.6;
}
.entry-content pre code{ background: none; padding: 0; }
.entry-content ul, .entry-content ol{ margin: 0 0 1.4em; padding-left: 1.4em; }
.entry-content ul{ list-style: disc; }
.entry-content ol{ list-style: decimal; }

.entry-footer{
  max-width: 760px; margin: 40px auto 0;
  padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}

.post-nav{
  max-width: 760px; margin: 48px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.post-nav .nav-next{ text-align: right; }
.post-nav a{ color: var(--ink); text-decoration: none; }
.post-nav .meta{ display: block; margin-bottom: 4px; }
.post-nav a:hover .nav-title{ color: var(--signal-ink); text-decoration: underline; }

/* ==========================================================================
   8. Comments
   ========================================================================== */
.comments-area{ max-width: 760px; margin: 56px auto 0; }
.comments-title{ font-size: 22px; margin-bottom: 24px; }
.comment-list{ margin: 0 0 32px; }
.comment-list li{ padding: 20px 0; border-bottom: 1px solid var(--line); }
.comment-author{ font-family: var(--font-display); font-weight: 600; font-size: 15px; }
.comment-metadata{ font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); margin-bottom: 8px; }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea{ width: 100%; margin-bottom: 16px; }
.comment-reply-title{ font-size: 20px; }

input[type="text"], input[type="email"], input[type="url"], input[type="search"], textarea{
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
  color: var(--ink);
}
.btn, input[type="submit"], button[type="submit"]{
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px; text-transform: uppercase; letter-spacing: .05em;
  background: var(--ink); color: #fff;
  border: 1px solid var(--ink);
  padding: 12px 20px; border-radius: var(--radius);
}
.btn:hover, input[type="submit"]:hover, button[type="submit"]:hover{
  background: var(--signal); border-color: var(--signal); color: #fff; text-decoration: none;
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 48px 0 32px;
  background: var(--bg-raised);
}
.footer-grid{ display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
@media (max-width: 700px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand .site-title{ font-size: 20px; }
.footer-tagline{ color: var(--ink-muted); font-size: 15px; max-width: 40ch; margin-top: 10px; }
.footer-nav-title{ font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-muted); margin-bottom: 14px; }
.footer-nav li{ margin-bottom: 8px; }
.footer-nav a{ color: var(--ink); font-size: 15px; }
.footer-bottom{
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-muted);
}

/* ==========================================================================
   10. 404 / search
   ========================================================================== */
.error-404, .no-results{ text-align: center; padding: 80px 0; }
.error-404 .error-code{
  font-family: var(--font-mono); font-size: 15px; color: var(--amber-ink); margin-bottom: 12px;
}
.error-404 h1{ font-size: 34px; margin-bottom: 12px; }

/* ==========================================================================
   11. Alignment utilities (core block support)
   ========================================================================== */
.alignwide{ max-width: var(--wrap); margin-left: calc(50% - var(--wrap)/2 + 24px * 0); }
.alignfull{ width: 100vw; margin-left: calc(50% - 50vw); max-width: none; }
.wp-caption-text, figcaption{ font-family: var(--font-mono); font-size: 13px; color: var(--ink-muted); margin-top: 8px; text-align: center; }