/* ==========================================================================
   OKBUZ.COM - Mobile-First Editorial Publication Design System (2026)
   Optimized for 95%+ Mobile Audience | Sub-2 Second Load Architecture
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* --------------------------------------------------------------------------
   1. COLOR SYSTEM & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  --ok-bg: #fdfbf7;
  --ok-surface: #ffffff;
  --ok-surface-hover: #f8fafc;
  --ok-text: #1e293b;
  --ok-text-sub: #475569;
  --ok-text-muted: #64748b;
  
  --ok-brand-primary: #0f172a;
  --ok-brand-accent: #2563eb;
  --ok-brand-highlight: #f97316;
  --ok-brand-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  
  --ok-border: #e2e8f0;
  --ok-border-hover: #cbd5e1;
  
  --ok-header-bg: rgba(255, 255, 255, 0.95);
  --ok-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --ok-shadow-md: 0 10px 20px -5px rgba(15, 23, 42, 0.08);
  --ok-shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
  
  --ok-font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ok-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --ok-radius-sm: 8px;
  --ok-radius-md: 16px;
  --ok-radius-lg: 24px;
  --ok-radius-pill: 9999px;
  
  --ok-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. GLOBAL BASE STYLES & OVERRIDES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--ok-font-body);
  background-color: var(--ok-bg);
  color: var(--ok-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.site-title,
.entry-title {
  font-family: var(--ok-font-heading);
  color: var(--ok-text);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.85rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.45rem, 4vw, 2rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

a {
  color: var(--ok-brand-primary);
  text-decoration: none;
  transition: var(--ok-transition);
}

a:hover {
  color: var(--ok-brand-accent);
}

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

/* Reading Progress Bar */
#reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3.5px;
  background: var(--ok-brand-highlight);
  width: 0%;
  z-index: 99999;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 8px rgba(249, 115, 22, 0.6);
}

/* --------------------------------------------------------------------------
   3. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--ok-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ok-border);
  box-shadow: var(--ok-shadow-sm);
}

.site-header .inside-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

.site-title {
  font-size: 1.55rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
}

.site-title a {
  color: var(--ok-brand-primary);
}

/* Category Navigation Bar */
.mobile-category-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.75rem 1rem;
  background: var(--ok-surface);
  border-bottom: 1px solid var(--ok-border);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  max-width: 100vw;
}

.mobile-category-bar::-webkit-scrollbar {
  display: none;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 1.1rem;
  border-radius: var(--ok-radius-pill);
  background: var(--ok-bg);
  color: var(--ok-text-sub);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--ok-border);
  transition: var(--ok-transition);
  flex-shrink: 0;
}

.category-pill:hover {
  background: var(--ok-surface-hover);
  color: var(--ok-brand-primary);
  border-color: var(--ok-border-hover);
}

.category-pill.active {
  background: var(--ok-brand-primary);
  color: #ffffff;
  border-color: var(--ok-brand-primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* --------------------------------------------------------------------------
   4. FULL-WIDTH 3-COLUMN EDITORIAL BLOG GRID (NO SIDEBAR)
   -------------------------------------------------------------------------- */
#page,
.grid-container,
.site-content {
  width: 100% !important;
  max-width: 1400px !important;
  margin: 0 auto !important;
}

.site-content {
  padding: 1.5rem 1rem !important;
}

#primary,
#primary.content-area,
div#primary {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 100% !important;
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Hide Sidebar Completely */
#right-sidebar,
#left-sidebar,
#okbuz-editorial-sidebar,
.widget-area {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* 3-Column Desktop Grid on Homepage & Archives */
@media (min-width: 992px) {
  body:not(.single) main#main,
  body:not(.single) #main,
  body:not(.single) .site-main {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

/* 2-Column Tablet Grid */
@media (min-width: 600px) and (max-width: 991px) {
  body:not(.single) main#main,
  body:not(.single) #main,
  body:not(.single) .site-main {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.25rem !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

/* 1-Column Mobile Grid */
@media (max-width: 599px) {
  body:not(.single) main#main,
  body:not(.single) #main,
  body:not(.single) .site-main {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

/* SINGLE BLOG POST DETAIL PAGE VERTICAL STACK (COMMENTS AT BOTTOM) */
body.single #page,
body.single .site-content,
body.single #primary,
body.single #primary.content-area,
body.single main#main,
body.single .site-main {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  float: none !important;
  margin: 0 auto !important;
}

body.single article.post,
body.single .inside-article {
  display: block !important;
  width: 100% !important;
  max-width: 960px !important;
  margin: 0 auto 2rem auto !important;
  padding: 2.5rem 2rem !important;
  box-sizing: border-box !important;
  clear: both !important;
}

/* Comments sit BELOW post content at bottom */
body.single #comments,
body.single .comments-area,
body.single #respond,
body.single .comment-respond {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  width: 100% !important;
  max-width: 960px !important;
  margin: 2.5rem auto 3rem auto !important;
  padding: 2rem !important;
  background: var(--ok-surface) !important;
  border-radius: var(--ok-radius-md) !important;
  border: 1px solid var(--ok-border) !important;
  box-shadow: var(--ok-shadow-sm) !important;
  clear: both !important;
  float: none !important;
  box-sizing: border-box !important;
}

/* Post Article Cards on Homepage */
body:not(.single) article.post,
body:not(.single) article.page,
body:not(.single) .inside-article {
  background: var(--ok-surface);
  border-radius: var(--ok-radius-md);
  border: 1px solid var(--ok-border);
  padding: 1.35rem;
  margin-bottom: 0;
  box-shadow: var(--ok-shadow-sm);
  transition: var(--ok-transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

article.post:hover {
  box-shadow: var(--ok-shadow-md);
  border-color: var(--ok-border-hover);
  transform: translateY(-2px);
}

/* Featured Images / Post Thumbnails (Full Uncropped Display) */
.post-image,
.post-image img,
.inside-article img,
.editorial-card-thumb img {
  border-radius: var(--ok-radius-md);
  width: 100% !important;
  height: auto !important;
  max-height: none !important;
  object-fit: contain !important;
  box-shadow: var(--ok-shadow-sm);
  display: block !important;
}

.post-image {
  margin-bottom: 1.1rem;
  overflow: hidden;
  border-radius: var(--ok-radius-md);
}

/* "READ ARTICLE →" Button */
.read-article-btn {
  display: inline-block;
  background: #111111;
  color: #ffffff !important;
  font-family: var(--ok-font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.6rem 1.15rem;
  border-radius: 6px;
  text-transform: uppercase;
  margin-top: 0.85rem;
  transition: var(--ok-transition);
}

.read-article-btn:hover {
  background: var(--ok-brand-accent);
  color: #ffffff !important;
  transform: translateY(-1px);
}

/* Floating Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  background: var(--ok-brand-primary);
  color: #ffffff;
  border-radius: var(--ok-radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ok-shadow-md);
  cursor: pointer;
  z-index: 9999;
  border: none;
}