/* =====================================================
   NHẬT KÝ TRADING & LIFE — Design System v3.0
   Zen Jazz & Joyful Yellow Theme
   ===================================================== */

/* ROOT VARIABLES */
:root {
  --nkt-bg:           #faf7ef;
  --nkt-yellow:       #dfa332;
  --nkt-yellow-dark:  #c98d20;
  --nkt-yellow-light: #fdf5e2;
  --nkt-green:        #38664f;
  --nkt-green-light:  #edf5f0;
  --nkt-orange:       #d87424;
  --nkt-black:        #2a2520;
  --nkt-footer-bg:    #1f1b17;
  --nkt-white:        #ffffff;
  --nkt-gray-1:       #f3ede0;
  --nkt-gray-2:       #7d7568;
  --nkt-border:       #e8dfcd;
  --nkt-card-bg:      #ffffff;
  --font-display:     'Libre Baskerville', serif;
  --font-body:        'Inter', sans-serif;
  --font-mono:        'IBM Plex Mono', monospace;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--nkt-black);
  background: var(--nkt-bg);
  line-height: 1.68;
  font-size: 15px;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* CONTAINER */
.nkt-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* =====================================================
   CENTERED HEADER & NAVIGATION
   ===================================================== */
.nkt-nav {
  background: #ffffff;
  border-bottom: 2px solid var(--nkt-yellow);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 24px 0 20px;
  box-shadow: 0 4px 20px rgba(223, 163, 50, 0.10);
}
.nkt-nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.nkt-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.5vw, 25px);
  letter-spacing: .08em;
  color: var(--nkt-black);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  transition: transform .2s ease;
}
.nkt-logo:hover {
  transform: translateY(-1px);
}
.nkt-logo span {
  color: var(--nkt-yellow-dark);
  font-weight: 700;
}

/* Nav Layer Capsule / Pill */
.nkt-nav-layer {
  background: var(--nkt-yellow-light);
  border: 1px solid #ebdcb9;
  border-radius: 50px;
  padding: 7px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 12px rgba(223, 163, 50, 0.14);
}
.nkt-nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.nkt-nav-links a {
  font-family: var(--font-body);
  font-size: 19.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--nkt-black);
  padding: 10px 26px;
  border-radius: 35px;
  transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
}
.nkt-nav-links a:hover {
  background: rgba(223, 163, 50, 0.25);
  color: var(--nkt-yellow-dark);
}
.nkt-nav-links a.active {
  background: var(--nkt-yellow);
  color: #ffffff;
  box-shadow: 0 3px 12px rgba(223, 163, 50, 0.42);
}

/* =====================================================
   FULL-SCREEN NO-SCROLL WELCOME PORTAL (CINEMATIC NOBODY EDITION)
   ===================================================== */
.nkt-welcome-body {
  height: 100vh;
  height: 100dvh;
  overflow: hidden !important;
  display: flex;
  flex-direction: column;
}
.nkt-welcome-nav {
  flex-shrink: 0;
  padding: 16px 0 14px;
}
.nkt-welcome-banner {
  flex: 1;
  min-height: 0 !important;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px;
  background-color: #2b1d14;
  background-image: 
    linear-gradient(
      to bottom,
      rgba(20, 15, 10, 0.40) 0%,
      rgba(20, 15, 10, 0.15) 35%,
      rgba(20, 15, 10, 0.42) 75%,
      rgba(20, 15, 10, 0.78) 100%
    ),
    url('Pic/anh-man-hinh-2026-02-04-luc-100840-17701745472891027245448.webp');
  background-size: cover;
  background-position: center 60%;
  background-repeat: no-repeat;
  overflow: hidden;
}
.nkt-welcome-content-zone {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.nkt-welcome-inner {
  padding: 0 20px;
  max-width: 840px;
  text-align: center;
  z-index: 2;
  margin: 0 auto;
}
.nkt-welcome-inner .nkt-hero-badge {
  display: inline-block;
  background: #ffffff;
  color: var(--nkt-black);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 12px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.25);
}
.nkt-welcome-inner .nkt-hero-slogan {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 44px);
  line-height: 1.22;
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: -.01em;
  text-shadow: 0 3px 22px rgba(0, 0, 0, 0.85), 0 1px 5px rgba(0, 0, 0, 0.95);
}
.nkt-welcome-inner .nkt-hero-sub {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: #ffffff;
  max-width: 620px;
  margin: 0 auto 22px;
  line-height: 1.6;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.85);
  font-weight: 400;
}

/* PORTAL CHOICES DUAL CARDS */
.nkt-portal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}
.nkt-portal-card {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 22px 22px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.32);
  text-decoration: none;
}
.nkt-portal-card:hover {
  transform: translateY(-5px);
  background: #ffffff;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.45);
}
.nkt-portal-trader:hover {
  border-color: var(--nkt-yellow);
}
.nkt-portal-life:hover {
  border-color: var(--nkt-green);
}
.nkt-portal-card h2 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--nkt-black);
  margin-bottom: 5px;
  letter-spacing: -.01em;
}
.nkt-portal-card p {
  font-size: 13px;
  color: #554d42;
  line-height: 1.5;
  margin-bottom: 14px;
  max-width: 270px;
}
.nkt-portal-btn {
  width: 100%;
  font-size: 12px;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 6px;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.nkt-btn {
  display: inline-block;
  background: var(--nkt-black);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: 4px;
  border: 2px solid var(--nkt-black);
  transition: all .2s ease;
}
.nkt-btn:hover {
  background: transparent;
  color: var(--nkt-black);
}
.nkt-btn-white {
  background: #ffffff;
  color: var(--nkt-black);
  border-color: #ffffff;
}
.nkt-btn-white:hover {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}
.nkt-btn-green {
  background: var(--nkt-green);
  color: #ffffff;
  border-color: var(--nkt-green);
}
.nkt-btn-green:hover {
  background: transparent;
  color: var(--nkt-green);
}
.nkt-btn-ghost {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  border: 2px solid #ffffff;
  backdrop-filter: blur(4px);
}
.nkt-btn-ghost:hover {
  background: #ffffff;
  color: var(--nkt-black);
}

/* =====================================================
   COMMON: TAGS / META / LINKS
   ===================================================== */
.nkt-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--nkt-yellow-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.nkt-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--nkt-border);
  color: var(--nkt-black);
  background: var(--nkt-yellow-light);
}
.nkt-tag-green {
  background: var(--nkt-green-light);
  border-color: #cde2d4;
  color: var(--nkt-green);
}
.nkt-tag-accent {
  background: var(--nkt-yellow);
  color: #ffffff;
  border-color: var(--nkt-yellow-dark);
}
.nkt-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--nkt-gray-2);
}
.nkt-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--nkt-yellow-dark);
  border-bottom: 1.5px solid var(--nkt-yellow);
  padding-bottom: 2px;
  transition: all .2s ease;
}
.nkt-link:hover {
  color: var(--nkt-black);
  border-bottom-color: var(--nkt-black);
}
.nkt-link-light {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--nkt-yellow-light);
  border-bottom: 1px solid rgba(255,255,255,.3);
  padding-bottom: 1px;
}
.nkt-link-light:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}
.nkt-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 20px;
  letter-spacing: -.01em;
}

/* =====================================================
   EDITORIAL CONTENT DIVIDER
   ===================================================== */
.nkt-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--nkt-gray-2);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0 18px;
}
.nkt-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--nkt-border);
}

/* =====================================================
   BLOG FEED LAYOUT — 2-COLUMN
   ===================================================== */
.nkt-blog-feed-section {
  padding: 54px 0 90px;
}
.nkt-blog-feed-grid {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 52px;
  align-items: start;
}

/* Post List */
.nkt-post-list {
  display: flex;
  flex-direction: column;
}
.nkt-post-item {
  padding: 26px 0;
  border-bottom: 1px solid var(--nkt-border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 24px;
}
.nkt-post-item:first-child {
  padding-top: 0;
}
.nkt-post-item-date-col {
  padding-top: 4px;
  width: 64px;
  flex-shrink: 0;
}
.nkt-post-item-date-col time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--nkt-gray-2);
  display: block;
  white-space: nowrap;
}
.nkt-post-item-content {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 24px;
  align-items: start;
}
.nkt-post-item-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.nkt-post-item h3 {
  font-family: var(--font-display);
  font-size: 18.5px;
  line-height: 1.42;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.nkt-post-item h3 a {
  transition: color .15s ease;
}
.nkt-post-item h3 a:hover {
  color: var(--nkt-yellow-dark);
}
.nkt-post-item p {
  font-size: 14px;
  color: #554d42;
  line-height: 1.68;
  margin-bottom: 12px;
}
.nkt-post-thumb-wrap {
  position: relative;
  display: block;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--nkt-sand);
  border: 1px solid var(--nkt-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.nkt-post-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease, filter .35s ease;
  filter: saturate(0.95);
}
.nkt-post-thumb-wrap:hover img {
  transform: scale(1.05);
  filter: saturate(1.08);
}

/* =====================================================
   PAGINATION (PHÂN TRANG 15 BÀI / TRANG)
   ===================================================== */
.nkt-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 42px;
  padding-top: 30px;
  border-top: 1px solid var(--nkt-border);
}
.nkt-page-num,
.nkt-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--nkt-border);
  background: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--nkt-black);
  transition: all .2s ease;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
}
.nkt-page-num:hover,
.nkt-page-btn:hover:not(.disabled) {
  border-color: var(--nkt-yellow);
  color: var(--nkt-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(223, 163, 50, 0.15);
}
.nkt-page-num.active {
  background: var(--nkt-yellow);
  border-color: var(--nkt-yellow);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(223, 163, 50, 0.3);
  pointer-events: none;
}
.nkt-page-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
  border-color: var(--nkt-border);
}
.nkt-page-dots {
  font-family: var(--font-mono);
  color: var(--nkt-gray-2);
  padding: 0 4px;
}

/* =====================================================
   SIDEBAR WIDGETS
   ===================================================== */
.nkt-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nkt-sidebar-widget {
  padding: 24px 0;
  border-bottom: 1px solid var(--nkt-border);
}
.nkt-sidebar-widget:last-child {
  border-bottom: none;
}
.nkt-sidebar-widget h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--nkt-gray-2);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--nkt-yellow);
}
.nkt-sidebar-widget p {
  font-size: 14px;
  color: #554d42;
  line-height: 1.68;
  margin-bottom: 14px;
}
.nkt-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.nkt-sidebar-slogan {
  background: var(--nkt-yellow);
  padding: 26px;
  border-radius: 8px;
  margin-bottom: 12px;
  border-bottom: none !important;
  box-shadow: 0 4px 14px rgba(223, 163, 50, 0.2);
}
.nkt-sidebar-slogan .nkt-sidebar-slogan-quote {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 600;
  color: #ffffff;
  font-size: 15.5px;
  line-height: 1.65;
  margin-bottom: 0;
  text-shadow: 0 1px 3px rgba(0,0,0,0.12);
}
.nkt-sidebar-slogan .nkt-meta {
  color: rgba(255,255,255,.9);
  font-weight: 500;
}

/* =====================================================
   PAGE HEADER (Internal Pages)
   ===================================================== */
.nkt-page-header {
  padding: 58px 0 46px;
  border-bottom: 1px solid var(--nkt-border);
  background: #ffffff;
}
.nkt-page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  margin: 12px 0 14px;
  letter-spacing: -.02em;
}
.nkt-page-header p {
  font-size: 15px;
  color: #554d42;
  max-width: 620px;
  line-height: 1.75;
}

/* =====================================================
   CONTENT GRID (Internal Pages)
   ===================================================== */
.nkt-content-section { padding: 52px 0 90px; }
.nkt-content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 52px;
  align-items: start;
}

.nkt-sidebar-box {
  border: 1px solid var(--nkt-border);
  background: var(--nkt-card-bg);
  padding: 24px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.nkt-sidebar-box h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--nkt-gray-2);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--nkt-yellow);
}

/* =====================================================
   ABOUT PAGE (gioi-thieu.html)
   ===================================================== */
.nkt-about-section { padding: 64px 0 80px; }
.nkt-about-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: start;
}
.nkt-about-text p {
  font-size: 15.5px;
  line-height: 1.85;
  margin-bottom: 20px;
  color: #3b352e;
}
.nkt-about-text em { font-style: italic; }
.nkt-about-rules {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.nkt-about-rule {
  display: flex;
  gap: 18px;
  font-size: 14.5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--nkt-border);
  line-height: 1.65;
}
.nkt-about-rule:first-child { border-top: 1px solid var(--nkt-border); }
.nkt-about-rule span {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--nkt-yellow-dark);
  flex-shrink: 0;
  font-size: 15px;
}
.nkt-about-sidebar-box {
  background: var(--nkt-yellow);
  padding: 32px;
  border-radius: 8px;
  color: #ffffff;
  position: sticky;
  top: 88px;
  box-shadow: 0 6px 24px rgba(223, 163, 50, 0.25);
}
.nkt-about-sidebar-box h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin-bottom: 14px;
  font-weight: 700;
  color: #ffffff;
}
.nkt-about-sidebar-box p {
  font-size: 14px;
  color: rgba(255,255,255,.95);
  line-height: 1.7;
  margin-bottom: 20px;
}
.nkt-about-sidebar-box .nkt-sidebar-slogan-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  color: #ffffff;
  line-height: 1.65;
  border-left: 3px solid #ffffff;
  padding-left: 16px;
  margin-bottom: 18px;
}

/* =====================================================
   DARK ZEN EDITORIAL FOOTER
   ===================================================== */
.nkt-footer {
  background: var(--nkt-footer-bg);
  color: #ffffff;
  border-top: 3px solid var(--nkt-yellow);
  padding: 64px 0 32px;
}
.nkt-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.nkt-footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--nkt-yellow);
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.nkt-footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .06em;
  color: #ffffff;
  display: inline-block;
  margin-bottom: 12px;
}
.nkt-footer-logo span {
  color: var(--nkt-yellow);
}
.nkt-footer-slogan {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14.5px;
  color: var(--nkt-yellow-light);
  line-height: 1.6;
  margin-bottom: 12px;
  border-left: 2px solid var(--nkt-yellow);
  padding-left: 12px;
}
.nkt-footer-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  line-height: 1.7;
}
.nkt-footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nkt-footer-list a {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
  transition: color .2s ease, transform .2s ease;
  display: inline-block;
}
.nkt-footer-list a:hover {
  color: var(--nkt-yellow);
  transform: translateX(3px);
}
.nkt-footer-disclaimer {
  font-size: 12.5px;
  color: rgba(255, 255, 255, .55);
  line-height: 1.75;
}
.nkt-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.nkt-footer-bottom span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, .45);
  letter-spacing: .04em;
}
.nkt-footer-back-top {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--nkt-yellow);
  transition: color .15s ease;
}
.nkt-footer-back-top:hover {
  color: #ffffff;
}

/* =====================================================
   SINGLE POST PAGE (bai-viet.html)
   ===================================================== */
.nkt-single-post-page {
  padding: 48px 0 90px;
}
.nkt-single-layout {
  max-width: 1160px;
  margin: 0 auto;
}
.nkt-single-content {
  background: #ffffff;
  padding: 58px 76px;
  border-radius: 12px;
  border: 1px solid var(--nkt-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}
.nkt-single-article-head {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--nkt-border);
}
.nkt-single-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--nkt-gray-2);
  margin-bottom: 18px;
}
.nkt-single-breadcrumb a {
  color: var(--nkt-black);
  transition: color .15s ease;
}
.nkt-single-breadcrumb a:hover {
  color: var(--nkt-yellow-dark);
}
.nkt-sep {
  color: var(--nkt-border);
}
.nkt-current-crumb {
  color: var(--nkt-gray-2);
}
.nkt-single-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.nkt-meta-dot {
  color: var(--nkt-gray-2);
}
.nkt-single-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.8vw, 38px);
  line-height: 1.3;
  color: var(--nkt-black);
  margin-bottom: 16px;
  letter-spacing: -.02em;
  font-weight: 700;
}
.nkt-single-lead {
  font-size: 17px;
  color: #554d42;
  line-height: 1.68;
  font-weight: 400;
}
.nkt-single-thumb-wrap {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--nkt-border);
  background: var(--nkt-sand);
  margin-bottom: 40px;
}
.nkt-single-thumb-wrap img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  display: block;
}
.nkt-single-content p {
  font-size: 16.5px;
  line-height: 1.88;
  color: #38322a;
  margin-bottom: 24px;
}
.nkt-single-content h2 {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.4;
  margin: 40px 0 18px;
  color: var(--nkt-black);
  letter-spacing: -.01em;
}
.nkt-single-content blockquote {
  margin: 32px 0;
  padding: 22px 26px 22px 28px;
  border-left: 4px solid var(--nkt-yellow);
  background: var(--nkt-yellow-light);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  line-height: 1.75;
  color: #3a2e1d;
  border-radius: 0 8px 8px 0;
}
.nkt-single-content ul,
.nkt-single-content ol {
  margin: 0 0 26px 24px;
  color: #38322a;
  line-height: 1.85;
  font-size: 16px;
}
.nkt-single-content li {
  margin-bottom: 10px;
}
.nkt-callout-box {
  background: var(--nkt-bg);
  border: 1px solid var(--nkt-border);
  border-left: 4px solid var(--nkt-green);
  border-radius: 8px;
  padding: 24px 26px;
  margin: 32px 0;
}
.nkt-callout-box h4 {
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--nkt-black);
  margin-bottom: 12px;
}
.nkt-callout-box ul,
.nkt-callout-box ol {
  margin-bottom: 0;
}

/* =====================================================
   RELATED POSTS SECTION (3 CỘT X 2 HÀNG = 6 BÀI)
   ===================================================== */
.nkt-related-section {
  max-width: 1160px;
  margin: 54px auto 0;
  padding-top: 36px;
  border-top: 2px solid var(--nkt-border);
}
.nkt-related-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--nkt-black);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nkt-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.nkt-related-card {
  background: #ffffff;
  border: 1px solid var(--nkt-border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  text-decoration: none;
}
.nkt-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
  border-color: var(--nkt-yellow);
}
.nkt-related-card-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--nkt-sand);
}
.nkt-related-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
.nkt-related-card:hover .nkt-related-card-thumb {
  transform: scale(1.06);
}
.nkt-related-card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.nkt-related-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 8px;
}
.nkt-related-card-meta .nkt-tag {
  font-size: 10px;
  padding: 2px 7px;
}
.nkt-related-card-meta .nkt-meta {
  font-size: 11px;
}
.nkt-related-card-title {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--nkt-black);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .15s ease;
}
.nkt-related-card:hover .nkt-related-card-title {
  color: var(--nkt-yellow-dark);
}
.nkt-related-card-desc {
  font-size: 12.5px;
  color: #554d42;
  line-height: 1.55;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nkt-related-card-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--nkt-yellow-dark);
  margin-top: auto;
}
.nkt-post-footer-nav {
  max-width: 1160px;
  margin: 36px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--nkt-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nkt-btn-outline {
  background: transparent;
  color: var(--nkt-black);
  border: 1.5px solid var(--nkt-border);
}
.nkt-btn-outline:hover {
  background: var(--nkt-black);
  color: #ffffff;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .nkt-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 900px) {
  .nkt-blog-feed-grid { grid-template-columns: 1fr; gap: 40px; }
  .nkt-content-grid { grid-template-columns: 1fr; gap: 40px; }
  .nkt-about-layout { grid-template-columns: 1fr; gap: 40px; }
  .nkt-single-layout { grid-template-columns: 1fr; gap: 40px; }
  .nkt-single-content { padding: 30px 24px; }
  .nkt-related-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}

@media (max-width: 640px) {
  .nkt-nav { padding: 18px 0 16px; }
  .nkt-nav-layer { border-radius: 20px; padding: 4px 8px; max-width: 100%; }
  .nkt-nav-links { gap: 4px; }
  .nkt-nav-links a { font-size: 14px; padding: 7px 14px; }
  .nkt-welcome-banner { min-height: auto; padding: 30px 0; }
  .nkt-welcome-inner .nkt-hero-slogan { font-size: 26px; }
  .nkt-portal-grid { grid-template-columns: 1fr; gap: 16px; }
  .nkt-post-item { grid-template-columns: 1fr; gap: 10px; }
  .nkt-post-item-date-col { width: auto; }
  .nkt-post-item-content { grid-template-columns: 1fr; gap: 16px; }
  .nkt-post-thumb-wrap { order: -1; max-width: 100%; aspect-ratio: 16 / 9; }
  .nkt-single-content { padding: 22px 18px; }
  .nkt-single-title { font-size: 24px; }
  .nkt-single-lead { font-size: 15.5px; }
  .nkt-related-grid { grid-template-columns: 1fr; gap: 16px; }
  .nkt-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nkt-footer-bottom { flex-direction: column; align-items: flex-start; }
}