*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --cyan: #00D4FF;
      --cyan-dark: #00A8CC;
      --black: #0A0A0A;
      --bg-nav: #0C0C12;
      --bg-card: #12121A;
      --border: rgba(255,255,255,0.05);
      --border-cyan: rgba(0,212,255,0.15);
      --border-cyan-h: rgba(0,212,255,0.35);
      --t100: #FFFFFF;
      --t80: #CCCCCC;
      --t50: #888888;
      --t30: #555555;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
      background: var(--black);
      color: var(--t100);
      overflow-x: hidden;
    }

    a { text-decoration: none; color: inherit; }

    .fade-up {
      opacity: 0; transform: translateY(28px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }
    .fade-up.visible { opacity: 1; transform: translateY(0); }

    /* ── NAVBAR ── */
    :root {
      --mm-bg: #0a0a0a;
      --mm-bg-nav: #0c0c12;
      --mm-cyan: #00d4ff;
      --mm-cyan-dark: #00a8cc;
      --mm-cyan-glow: #00ffff;
      --mm-white: #ffffff;
      --mm-white-80: #cccccc;
      --mm-white-50: #888888;
      --mm-border: rgba(255, 255, 255, 0.08);
      --navbar-h: 72px;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .navbar {
      position: fixed;
      inset-inline: 0;
      top: 0;
      z-index: 1000;
      height: var(--navbar-h);
      background: var(--mm-bg);
      border-bottom: 1px solid transparent;
      transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
      font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    }

    .navbar--scrolled {
      background: rgba(10, 10, 10, 0.88);
      border-bottom-color: var(--mm-border);
      backdrop-filter: blur(18px) saturate(160%);
      -webkit-backdrop-filter: blur(18px) saturate(160%);
    }

    .navbar::after {
      content: "";
      position: absolute;
      inset-inline: 0;
      bottom: -1px;
      height: 1px;
      background: linear-gradient(90deg, transparent 0%, var(--mm-cyan) 40%, var(--mm-cyan) 60%, transparent 100%);
      opacity: 0;
      transition: opacity var(--transition);
    }

    .navbar--scrolled::after {
      opacity: 0.35;
    }

    .navbar__inner {
      height: 100%;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 4vw, 2.5rem);
      display: flex;
      align-items: center;
      gap: 2rem;
    }

    /* Logo */
    .navbar__logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      flex-shrink: 0;
    }

    .navbar__logo-img {
      height: 36px;
      width: auto;
      object-fit: contain;
      transition: opacity var(--transition);
    }

    .navbar__logo:hover .navbar__logo-img {
      opacity: 0.85;
    }

    /* Desktop nav */
    .navbar__nav {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .navbar__nav-list {
      display: flex;
      align-items: center;
      gap: clamp(1.5rem, 3vw, 2.5rem);
      list-style: none;
    }

    .navbar__nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--mm-white-80);
      font-size: 0.9rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      text-decoration: none;
      padding-block: 0.25rem;
      transition: color var(--transition);
      background: none;
      border: none;
      cursor: pointer;
      font-family: inherit;
    }

    .navbar__nav-link:hover,
    .navbar__nav-link:focus-visible {
      color: var(--mm-white);
      outline: none;
    }

    .navbar__nav-link-underline {
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 1.5px;
      background: var(--mm-cyan);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--transition);
    }

    .navbar__nav-link:hover .navbar__nav-link-underline,
    .navbar__nav-link:focus-visible .navbar__nav-link-underline {
      transform: scaleX(1);
    }

    /* Dropdown */
    .navbar__dropdown-wrap {
      position: relative;
    }

    .navbar__dropdown {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(-6px);
      width: 180px;
      background: var(--mm-bg-nav);
      border: 1px solid var(--mm-border);
      border-radius: 8px;
      padding: 8px 4px 4px;
      overflow: hidden;
      opacity: 0;
      pointer-events: none;
      visibility: hidden;
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
    }

    .navbar__dropdown--open {
      opacity: 1;
      pointer-events: auto;
      visibility: visible;
      transform: translateX(-50%) translateY(0);
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0s;
    }

    .navbar__dropdown::before {
      content: "";
      display: block;
      height: 1.5px;
      background: linear-gradient(90deg, var(--mm-cyan), transparent);
      margin: 0 4px 4px;
      border-radius: 2px;
      opacity: 0.5;
    }

    .navbar__dropdown-item {
      display: block;
      padding: 9px 14px;
      border-radius: 5px;
      color: var(--mm-white-80);
      font-size: 0.875rem;
      font-weight: 500;
      text-decoration: none;
      letter-spacing: 0.01em;
      transition: background var(--transition), color var(--transition);
    }

    .navbar__dropdown-item:hover {
      background: rgba(0, 212, 255, 0.07);
      color: var(--mm-white);
    }

    /* CTA */
    .navbar__cta {
      position: relative;
      flex-shrink: 0;
      overflow: hidden;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.6rem 1.375rem;
      border-radius: 999px;
      border: 1.5px solid var(--mm-cyan);
      background: transparent;
      color: var(--mm-cyan);
      font-family: "Plus Jakarta Sans", system-ui, sans-serif;
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-decoration: none;
      white-space: nowrap;
      transition: color var(--transition), background var(--transition), box-shadow var(--transition);
    }

    .navbar__cta:hover,
    .navbar__cta:focus-visible {
      background: var(--mm-cyan);
      color: var(--mm-bg);
      box-shadow: 0 0 22px rgba(0, 212, 255, 0.35);
      outline: none;
    }

    .navbar__cta-glow {
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, transparent 20%, rgba(0, 212, 255, 0.25) 50%, transparent 80%);
      transform: translateX(-120%);
      transition: transform 0.55s ease;
      pointer-events: none;
    }

    .navbar__cta:hover .navbar__cta-glow {
      transform: translateX(120%);
    }

    /* Hamburger */
    .navbar__hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: flex-end;
      gap: 5px;
      width: 40px;
      height: 40px;
      padding: 4px;
      margin-left: auto;
      background: transparent;
      border: none;
      cursor: pointer;
      flex-shrink: 0;
    }

    .navbar__hamburger-bar {
      display: block;
      height: 2px;
      background: var(--mm-white);
      border-radius: 2px;
      transition: transform var(--transition), opacity var(--transition), width var(--transition);
    }

    .navbar__hamburger-bar:nth-child(1) {
      width: 24px;
    }

    .navbar__hamburger-bar:nth-child(2) {
      width: 18px;
    }

    .navbar__hamburger-bar:nth-child(3) {
      width: 24px;
    }

    .navbar__hamburger--open .navbar__hamburger-bar:nth-child(1) {
      width: 22px;
      transform: translateY(7px) rotate(45deg);
    }

    .navbar__hamburger--open .navbar__hamburger-bar:nth-child(2) {
      opacity: 0;
      transform: translateX(8px);
    }

    .navbar__hamburger--open .navbar__hamburger-bar:nth-child(3) {
      width: 22px;
      transform: translateY(-7px) rotate(-45deg);
    }

    /* Mobile drawer */
    .navbar__mobile-menu {
      position: fixed;
      inset-inline: 0;
      top: var(--navbar-h);
      background: var(--mm-bg-nav);
      border-bottom: 1px solid var(--mm-border);
      max-height: 0;
      overflow: hidden;
      visibility: hidden;
      z-index: 999;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0.4s;
    }

    .navbar__mobile-menu--open {
      max-height: 520px;
      visibility: visible;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0s;
    }

    .navbar__mobile-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem) 1.75rem;
      gap: 0.25rem;
    }

    .navbar__mobile-link {
      display: block;
      width: 100%;
      padding: 0.75rem 0;
      color: var(--mm-white-80);
      font-family: "Plus Jakarta Sans", system-ui, sans-serif;
      font-size: 1rem;
      font-weight: 500;
      letter-spacing: 0.01em;
      text-decoration: none;
      text-align: left;
      background: none;
      border: none;
      border-bottom: 1px solid var(--mm-border);
      cursor: pointer;
      transition: color var(--transition), padding-left var(--transition);
    }

    .navbar__mobile-link:hover {
      color: var(--mm-cyan);
      padding-left: 0.5rem;
    }

    .navbar__mobile-resources-btn {
      display: flex !important;
      align-items: center;
      justify-content: space-between;
    }

    .navbar__mobile-chevron {
      color: var(--mm-white-50);
      transition: transform var(--transition), color var(--transition);
      flex-shrink: 0;
    }

    .navbar__mobile-resources-btn--open .navbar__mobile-chevron {
      transform: rotate(180deg);
      color: var(--mm-cyan);
    }

    .navbar__mobile-sublist {
      list-style: none;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .navbar__mobile-sublist--open {
      max-height: 160px;
    }

    .navbar__mobile-sublink {
      display: block;
      padding: 0.6rem 0 0.6rem 1rem;
      color: var(--mm-white-50);
      font-size: 0.875rem;
      font-weight: 500;
      text-decoration: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      transition: color var(--transition), padding-left var(--transition);
    }

    .navbar__mobile-sublink:hover {
      color: var(--mm-cyan);
      padding-left: 1.5rem;
    }

    .navbar__mobile-cta {
      display: block;
      margin-top: 1.25rem;
      padding: 0.75rem 1.5rem;
      text-align: center;
      border: 1.5px solid var(--mm-cyan);
      border-radius: 6px;
      color: var(--mm-cyan);
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-decoration: none;
      transition: background var(--transition), color var(--transition);
    }

    .navbar__mobile-cta:hover {
      background: var(--mm-cyan);
      color: var(--mm-bg);
    }

    .navbar__backdrop {
      position: fixed;
      inset: 0;
      top: var(--navbar-h);
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(2px);
      z-index: 998;
      animation: backdropFadeIn 0.25s ease forwards;
    }

    @keyframes backdropFadeIn {
      from {
        opacity: 0;
      }

      to {
        opacity: 1;
      }
    }

    @media (max-width: 767px) {

      .navbar__nav,
      .navbar__cta {
        display: none;
      }

      .navbar__hamburger {
        display: flex;
      }
    }

    /* ══════════════════════════════════════════════════════
       ARTICLE HERO
    ═══════════════════════════════════════════════════════ */
    .article-hero {
      padding: 120px 32px 0;
      position: relative;
      overflow: hidden;
    }

    .article-hero-glow {
      position: absolute; top: 0; left: 50%; transform: translateX(-50%);
      width: 800px; height: 400px;
      background: radial-gradient(ellipse at center, rgba(0,212,255,0.09) 0%, transparent 70%);
      pointer-events: none;
    }

    .dot-grid {
      position: absolute; inset: 0; z-index: 0; pointer-events: none;
      background-image: radial-gradient(circle, rgba(0,212,255,0.10) 1px, transparent 1px);
      background-size: 36px 36px;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, black 30%, transparent 100%);
    }

    .article-hero-inner {
      max-width: 860px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
      padding-bottom: 48px;
    }

    .back-link {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 13px; font-weight: 600; color: var(--t50);
      margin-bottom: 32px;
      transition: color 0.2s;
    }
    .back-link:hover { color: var(--cyan); }
    .back-link svg { transition: transform 0.2s; }
    .back-link:hover svg { transform: translateX(-3px); }

    .article-category {
      display: inline-block;
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
      color: var(--cyan);
      background: rgba(0,212,255,0.08); border: 1px solid var(--border-cyan);
      padding: 4px 12px; border-radius: 50px; margin-bottom: 22px;
    }

    .article-hero h1 {
      font-size: clamp(30px, 4vw, 52px);
      font-weight: 800; line-height: 1.15;
      margin-bottom: 22px;
      letter-spacing: -0.02em;
    }

    .article-hero h1 em { font-style: italic; color: var(--cyan); }

    .article-excerpt {
      font-size: 18px; color: var(--t50); line-height: 1.7;
      margin-bottom: 32px;
      max-width: 720px;
    }

    .article-meta-bar {
      display: flex; align-items: center; flex-wrap: wrap; gap: 24px;
      padding: 20px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      margin-bottom: 0;
    }

    .meta-author {
      display: flex; align-items: center; gap: 12px;
    }

    .author-avatar {
      width: 40px; height: 40px; border-radius: 50%;
      background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(0,212,255,0.05));
      border: 1px solid var(--border-cyan);
      display: flex; align-items: center; justify-content: center;
      font-size: 14px; font-weight: 800; color: var(--cyan);
      font-family: 'JetBrains Mono', monospace;
      flex-shrink: 0;
    }

    .author-info .author-name { font-size: 14px; font-weight: 700; color: var(--t100); }
    .author-info .author-role { font-size: 12px; color: var(--t50); margin-top: 1px; }

    .meta-divider { width: 1px; height: 32px; background: var(--border); }

    .meta-item {
      display: flex; align-items: center; gap: 6px;
      font-size: 13px; color: var(--t50);
    }
    .meta-item svg { color: var(--t30); }

    .meta-share {
      margin-left: auto;
      display: flex; align-items: center; gap: 10px;
    }

    .share-btn {
      width: 34px; height: 34px; border-radius: 50%;
      background: transparent; border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      color: var(--t50); cursor: pointer;
      transition: all 0.2s;
    }
    .share-btn:hover { border-color: var(--border-cyan-h); color: var(--cyan); }

    /* ══════════════════════════════════════════════════════
       FEATURED IMAGE / VISUAL
    ═══════════════════════════════════════════════════════ */
    .article-visual-wrap {
      max-width: 960px;
      margin: 0 auto;
      padding: 0 32px;
    }

    .article-visual {
      width: 100%;
      height: 420px;
      background: linear-gradient(135deg, #0C0C18 0%, #0A1520 100%);
      border: 1px solid var(--border);
      border-radius: 24px;
      overflow: hidden;
      display: flex; align-items: center; justify-content: center;
      position: relative;
      margin-top: -1px;
    }

    .article-visual::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(circle at 40% 60%, rgba(0,212,255,0.15) 0%, transparent 65%);
    }

    .article-visual svg { position: relative; z-index: 1; }

    /* ══════════════════════════════════════════════════════
       ARTICLE LAYOUT — BODY + SIDEBAR
    ═══════════════════════════════════════════════════════ */
    .article-layout {
      max-width: 1200px;
      margin: 0 auto;
      padding: 60px 32px 80px;
      display: grid;
      grid-template-columns: 1fr 280px;
      gap: 64px;
      align-items: start;
    }

    /* ── ARTICLE BODY ── */
    .article-body {
      min-width: 0;
    }

    /* Key takeaways */
    .takeaways-box {
      background: rgba(0,212,255,0.04);
      border: 1px solid var(--border-cyan);
      border-left: 3px solid var(--cyan);
      border-radius: 0 16px 16px 0;
      padding: 28px 32px;
      margin-bottom: 40px;
    }

    .takeaways-box .box-label {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px; letter-spacing: 0.16em;
      text-transform: uppercase; color: var(--cyan);
      margin-bottom: 14px;
    }

    .takeaways-box ul {
      list-style: none;
      display: flex; flex-direction: column; gap: 10px;
    }

    .takeaways-box ul li {
      display: flex; align-items: flex-start; gap: 10px;
      font-size: 14px; color: var(--t80); line-height: 1.6;
    }

    .takeaways-box ul li::before {
      content: '→';
      color: var(--cyan);
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px; flex-shrink: 0; margin-top: 2px;
    }

    /* Article typography */
    .article-body h2 {
      font-size: 26px; font-weight: 800;
      line-height: 1.2; margin: 48px 0 18px;
      letter-spacing: -0.01em;
    }

    .article-body h2 .heading-accent {
      display: inline-block;
      width: 24px; height: 3px; background: var(--cyan);
      border-radius: 2px; margin-right: 12px;
      vertical-align: middle; margin-bottom: 4px;
    }

    .article-body h3 {
      font-size: 19px; font-weight: 700;
      line-height: 1.3; margin: 36px 0 14px;
      color: var(--t100);
    }

    .article-body p {
      font-size: 16px; color: var(--t80);
      line-height: 1.85; margin-bottom: 22px;
    }

    .article-body ul, .article-body ol {
      padding-left: 0; margin-bottom: 22px;
      list-style: none;
      display: flex; flex-direction: column; gap: 10px;
    }

    .article-body ul li, .article-body ol li {
      display: flex; align-items: flex-start; gap: 12px;
      font-size: 15px; color: var(--t80); line-height: 1.7;
    }

    .article-body ul li::before {
      content: '·';
      color: var(--cyan); font-size: 20px;
      flex-shrink: 0; line-height: 1.5;
    }

    .article-body ol { counter-reset: article-counter; }
    .article-body ol li { counter-increment: article-counter; }
    .article-body ol li::before {
      content: counter(article-counter);
      background: rgba(0,212,255,0.08); border: 1px solid var(--border-cyan);
      color: var(--cyan);
      font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 700;
      width: 22px; height: 22px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; margin-top: 2px;
    }

    /* Pull quote */
    .pull-quote {
      margin: 40px 0;
      padding: 32px 36px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-left: 3px solid var(--cyan);
      border-radius: 0 20px 20px 0;
      position: relative;
    }

    .pull-quote::before {
      content: '"';
      position: absolute; top: -8px; left: 28px;
      font-size: 80px; line-height: 1;
      color: rgba(0,212,255,0.12);
      font-family: Georgia, serif;
      pointer-events: none;
    }

    .pull-quote p {
      font-size: 19px; font-weight: 700;
      line-height: 1.5; color: var(--t100);
      font-style: italic; margin-bottom: 12px;
    }

    .pull-quote cite {
      font-size: 12px; color: var(--t50);
      font-style: normal;
      font-family: 'JetBrains Mono', monospace;
      letter-spacing: 0.05em;
    }

    /* Stat highlight cards */
    .stat-row {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 16px; margin: 36px 0;
    }

    .stat-highlight {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; padding: 22px 20px; text-align: center;
      transition: border-color 0.2s;
    }

    .stat-highlight:hover { border-color: var(--border-cyan-h); }

    .stat-highlight .sh-num {
      font-family: 'JetBrains Mono', monospace;
      font-size: 28px; font-weight: 700; color: var(--cyan);
      line-height: 1; margin-bottom: 6px;
    }

    .stat-highlight .sh-label {
      font-size: 12px; color: var(--t50); line-height: 1.4;
    }

    /* Inline code */
    .article-body code {
      font-family: 'JetBrains Mono', monospace;
      font-size: 13px; color: var(--cyan);
      background: rgba(0,212,255,0.08);
      border: 1px solid var(--border-cyan);
      padding: 2px 8px; border-radius: 6px;
    }

    /* Section divider */
    .section-rule {
      border: none;
      border-top: 1px solid var(--border);
      margin: 48px 0;
    }

    /* Tags */
    .article-tags {
      display: flex; flex-wrap: wrap; gap: 8px;
      margin-top: 48px; padding-top: 32px;
      border-top: 1px solid var(--border);
    }

    .tag-label {
      font-size: 12px; color: var(--t50);
      margin-right: 4px; align-self: center;
    }

    .tag-pill {
      font-size: 12px; font-weight: 600;
      padding: 5px 14px; border-radius: 50px;
      border: 1px solid var(--border);
      color: var(--t50); background: transparent;
      transition: all 0.2s; cursor: default;
    }

    .tag-pill:hover { border-color: var(--border-cyan); color: var(--cyan); }

    /* ── SIDEBAR ── */
    .article-sidebar {
      position: sticky;
      top: 100px;
    }

    .sidebar-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 24px;
      margin-bottom: 20px;
    }

    .sidebar-title {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--cyan);
      margin-bottom: 16px;
    }

    /* Table of contents */
    .toc-list {
      list-style: none;
      display: flex; flex-direction: column; gap: 4px;
    }

    .toc-list a {
      display: block;
      font-size: 13px; color: var(--t50);
      padding: 7px 10px; border-radius: 8px;
      border-left: 2px solid transparent;
      transition: all 0.2s; line-height: 1.45;
    }

    .toc-list a:hover, .toc-list a.active {
      color: var(--t100);
      border-left-color: var(--cyan);
      background: rgba(0,212,255,0.04);
      padding-left: 14px;
    }

    /* Sidebar CTA */
    .sidebar-cta-card {
      background: linear-gradient(135deg, rgba(0,212,255,0.06) 0%, rgba(0,212,255,0.02) 100%);
      border: 1px solid var(--border-cyan);
      border-radius: 18px; padding: 24px; text-align: center;
    }

    .sidebar-cta-card h4 {
      font-size: 15px; font-weight: 800; line-height: 1.3;
      margin-bottom: 10px;
    }

    .sidebar-cta-card p {
      font-size: 13px; color: var(--t50); line-height: 1.6;
      margin-bottom: 18px;
    }

    .btn-cta-small {
      display: block; width: 100%;
      background: var(--cyan); color: var(--black);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 13px; font-weight: 700;
      padding: 11px 20px; border-radius: 50px;
      border: none; cursor: pointer;
      transition: opacity 0.2s, transform 0.2s;
      text-align: center;
    }

    .btn-cta-small:hover { opacity: 0.88; transform: translateY(-1px); }

    /* Reading progress */
    .reading-progress {
      margin-bottom: 20px;
    }

    .progress-label {
      display: flex; justify-content: space-between;
      font-size: 12px; color: var(--t50); margin-bottom: 8px;
    }

    .progress-bar-wrap {
      height: 3px; background: var(--border); border-radius: 2px; overflow: hidden;
    }

    .progress-bar-fill {
      height: 100%; width: 0%;
      background: linear-gradient(90deg, var(--cyan-dark), var(--cyan));
      border-radius: 2px;
      transition: width 0.2s ease;
    }

    /* ══════════════════════════════════════════════════════
       AUTHOR BIO
    ═══════════════════════════════════════════════════════ */
    .author-section {
      max-width: 860px;
      margin: 0 auto;
      padding: 0 32px 60px;
    }

    .author-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 40px;
      display: flex; gap: 28px; align-items: flex-start;
    }

    .author-avatar-lg {
      width: 72px; height: 72px; border-radius: 50%;
      background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(0,212,255,0.05));
      border: 1px solid var(--border-cyan);
      display: flex; align-items: center; justify-content: center;
      font-size: 22px; font-weight: 800; color: var(--cyan);
      font-family: 'JetBrains Mono', monospace;
      flex-shrink: 0;
    }

    .author-details .author-tag {
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--cyan);
      margin-bottom: 8px;
    }

    .author-details h3 { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
    .author-details .author-title { font-size: 13px; color: var(--t50); margin-bottom: 14px; }
    .author-details p { font-size: 14px; color: var(--t50); line-height: 1.7; }

    /* ══════════════════════════════════════════════════════
       RELATED POSTS
    ═══════════════════════════════════════════════════════ */
    .related-section {
      padding: 0 32px 80px;
    }

    .related-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .related-header {
      display: flex; align-items: center; gap: 16px;
      margin-bottom: 32px;
    }

    .related-header h2 {
      font-size: 24px; font-weight: 800;
    }

    .related-header .header-line {
      flex: 1; height: 1px; background: var(--border);
    }

    .related-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    }

    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 18px; overflow: hidden;
      transition: all 0.25s; display: flex; flex-direction: column;
      cursor: pointer;
    }

    .related-card:hover {
      border-color: var(--border-cyan-h);
      transform: translateY(-3px);
      box-shadow: 0 12px 36px rgba(0,212,255,0.07);
    }

    .related-visual {
      height: 160px;
      display: flex; align-items: center; justify-content: center;
      position: relative; overflow: hidden;
    }

    .related-visual::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(circle at 50% 80%, rgba(0,212,255,0.12) 0%, transparent 60%);
    }

    .related-visual.theme-seo { background: linear-gradient(135deg, #080f10 0%, #0a1814 100%); }
    .related-visual.theme-ai { background: linear-gradient(135deg, #0c0a18 0%, #100c20 100%); }
    .related-visual.theme-growth { background: linear-gradient(135deg, #0a1008 0%, #0c1510 100%); }

    .related-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

    .related-cat {
      font-family: 'JetBrains Mono', monospace;
      font-size: 9px; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--cyan);
      margin-bottom: 10px;
    }

    .related-card h3 {
      font-size: 15px; font-weight: 700;
      line-height: 1.35; color: var(--t100);
      margin-bottom: 8px; flex: 1;
    }

    .related-card-footer {
      display: flex; align-items: center; justify-content: space-between;
      padding-top: 14px; border-top: 1px solid var(--border);
      margin-top: 14px;
    }

    .related-card-footer span { font-size: 12px; color: var(--t30); }

    .related-read {
      font-size: 12px; font-weight: 700; color: var(--cyan);
      display: flex; align-items: center; gap: 4px;
      transition: gap 0.2s;
    }

    .related-card:hover .related-read { gap: 7px; }

    /* ══════════════════════════════════════════════════════
       NEWSLETTER CTA
    ═══════════════════════════════════════════════════════ */
    .newsletter-section {
      padding: 0 32px 80px;
    }

    .newsletter-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .newsletter-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: 24px; padding: 64px 80px;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 60px; align-items: center;
      position: relative; overflow: hidden;
    }

    .newsletter-card::before {
      content: '';
      position: absolute; top: -60px; right: -60px;
      width: 320px; height: 320px;
      background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
      pointer-events: none;
    }

    .newsletter-left h2 {
      font-size: 30px; font-weight: 800; line-height: 1.2; margin-bottom: 12px;
    }

    .newsletter-left h2 em { font-style: italic; color: var(--cyan); }
    .newsletter-left p { font-size: 15px; color: var(--t50); line-height: 1.65; }

    .newsletter-form { display: flex; flex-direction: column; gap: 12px; }

    .newsletter-form input {
      background: rgba(255,255,255,0.04); border: 1px solid var(--border);
      border-radius: 50px; padding: 14px 24px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 14px; color: var(--t100); outline: none;
      transition: border-color 0.2s;
    }

    .newsletter-form input::placeholder { color: var(--t30); }
    .newsletter-form input:focus { border-color: var(--border-cyan-h); }

    .btn-subscribe {
      background: var(--cyan); color: var(--black);
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-size: 15px; font-weight: 700;
      padding: 14px 32px; border-radius: 50px; border: none;
      cursor: pointer; transition: opacity 0.2s, transform 0.2s;
    }

    .btn-subscribe:hover { opacity: 0.88; transform: translateY(-1px); }

    .form-note { font-size: 12px; color: var(--t30); text-align: center; }

    /* ══════════════════════════════════════════════════════
       FOOTER
    ═══════════════════════════════════════════════════════ */
    footer {
      border-top: 1px solid var(--border);
      padding: 64px 32px 0;
    }

    .footer-inner {
      max-width: 1400px; margin: 0 auto;
      display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px; padding-bottom: 48px;
    }

    .footer-brand p {
      font-size: 14px; color: var(--t50); line-height: 1.7;
      margin: 16px 0 20px; max-width: 280px;
    }

    .footer-social { display: flex; gap: 10px; }

    .footer-social a {
      width: 36px; height: 36px; border-radius: 50%;
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      color: var(--t50); transition: all 0.2s;
    }

    .footer-social a:hover { border-color: var(--border-cyan-h); color: var(--cyan); }

    .footer-col h4 {
      font-size: 13px; font-weight: 700; color: var(--t80);
      margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.06em;
    }

    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { font-size: 14px; color: var(--t50); transition: color 0.2s; }
    .footer-col ul li a:hover { color: var(--t100); }

    .footer-contact-item {
      display: flex; align-items: center; gap: 10px;
      font-size: 14px; color: var(--t50); margin-bottom: 12px;
    }

    .footer-contact-item svg {
      width: 14px; height: 14px; fill: none;
      stroke: var(--cyan); stroke-width: 2;
      stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid var(--border); padding: 20px 0;
      display: flex; justify-content: space-between;
      font-size: 13px; color: var(--t30);
      max-width: 1400px; margin: 0 auto;
    }

    /* ══════════════════════════════════════════════════════
       RESPONSIVE
    ═══════════════════════════════════════════════════════ */
    @media (max-width: 1024px) {
      .article-layout { grid-template-columns: 1fr; gap: 40px; }
      .article-sidebar { position: static; }
      .related-grid { grid-template-columns: repeat(2, 1fr); }
      .newsletter-card { grid-template-columns: 1fr; padding: 48px 40px; gap: 36px; }
    }

    @media (max-width: 768px) {
      nav { padding: 16px 24px; }
      .nav-links, .btn-nav { display: none; }
      .hamburger { display: flex; }
      .article-hero { padding: 100px 20px 0; }
      .article-hero-inner { padding-bottom: 32px; }
      .article-visual-wrap { padding: 0 20px; }
      .article-visual { height: 260px; }
      .article-layout { padding: 40px 20px 60px; }
      .author-section, .related-section, .newsletter-section { padding-left: 20px; padding-right: 20px; }
      .related-grid { grid-template-columns: 1fr; }
      .author-card { flex-direction: column; }
      .newsletter-card { padding: 36px 28px; }
      .stat-row { grid-template-columns: repeat(3, 1fr); gap: 10px; }
      .stat-highlight .sh-num { font-size: 22px; }
      .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
      .article-meta-bar { gap: 14px; }
      .meta-divider { display: none; }
      .meta-share { margin-left: 0; }
      .article-hero h1 { font-size: clamp(24px, 7vw, 36px); }
      .article-excerpt { font-size: 15px; }
      .article-body h2 { font-size: 21px; margin: 36px 0 14px; }
      .article-body h3 { font-size: 17px; }
      .article-body p { font-size: 15px; }
      .pull-quote { padding: 22px 20px; }
      .pull-quote p { font-size: 16px; }
      .takeaways-box { padding: 20px 20px; }
      .stat-row { grid-template-columns: 1fr 1fr; }
      .related-section { padding-left: 20px; padding-right: 20px; }
      .footer-inner { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    }

    @media (max-width: 480px) {
      nav { padding: 14px 16px; }
      .article-hero { padding: 90px 16px 0; }
      .article-hero-inner { padding-bottom: 24px; }
      .article-hero h1 { font-size: clamp(22px, 8vw, 32px); }
      .article-excerpt { font-size: 14px; margin-bottom: 20px; }
      .article-category { font-size: 9px; }
      .article-meta-bar { gap: 10px; }
      .author-info .author-name { font-size: 13px; }
      .article-visual-wrap { padding: 0 16px; }
      .article-visual { height: 200px; border-radius: 16px; }
      .article-layout { padding: 32px 16px 60px; }
      .article-body h2 { font-size: 19px; margin: 28px 0 12px; }
      .article-body h3 { font-size: 16px; margin: 24px 0 10px; }
      .article-body p { font-size: 14px; line-height: 1.75; }
      .article-body ul li, .article-body ol li { font-size: 14px; }
      .takeaways-box { padding: 18px 16px; border-radius: 0 12px 12px 0; }
      .takeaways-box ul li { font-size: 13px; }
      .pull-quote { padding: 18px 16px; border-radius: 0 14px 14px 0; }
      .pull-quote p { font-size: 15px; }
      .stat-row { grid-template-columns: 1fr; gap: 10px; }
      .stat-highlight { padding: 16px 14px; }
      .stat-highlight .sh-num { font-size: 24px; }
      .author-section { padding: 0 16px 48px; }
      .author-card { padding: 24px 16px; gap: 16px; border-radius: 16px; }
      .author-avatar-lg { width: 56px; height: 56px; font-size: 18px; }
      .author-details h3 { font-size: 17px; }
      .related-section { padding: 0 16px 60px; }
      .related-grid { grid-template-columns: 1fr; }
      .related-header h2 { font-size: 20px; }
      .newsletter-section { padding: 0 16px 60px; }
      .newsletter-card { padding: 28px 16px; border-radius: 16px; }
      .newsletter-left h2 { font-size: 22px; }
      footer { padding: 40px 16px 0; }
      .footer-inner { grid-template-columns: 1fr; gap: 24px; }
      .footer-bottom { font-size: 12px; }
    }