:root {
      --navy: #166883;
      --navy-deep: #1a2a3f;
      --sky: #2a8eb0;
      --sky-light: #3aa5c9;
      --sky-soft: #e6f1f5;
      --ink: #1c2536;
      --slate: #5a6b85;
      --slate-light: #8493ab;
      --bg: #f6f8fc;
      --bg-2: #eef2f9;
      --line: #e4e9f2;
      --line-2: #d6deea;
      --grad: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
      --grad-sky: linear-gradient(135deg, var(--navy) 0%, var(--sky) 100%);
      --shadow-sm: 0 1px 3px rgba(26, 42, 63, .06), 0 1px 2px rgba(26, 42, 63, .04);
      --shadow: 0 4px 16px rgba(26, 42, 63, .08);
      --shadow-lg: 0 20px 50px rgba(26, 42, 63, .14);
      --radius: 16px;
      --radius-sm: 11px;
      --maxw: 1200px;
      --content-w: 720px;
    }

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

    html {
      scroll-behavior: smooth
    }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--ink);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
      font-family: 'Plus Jakarta Sans', sans-serif;
      line-height: 1.25;
      letter-spacing: -.02em;
      color: var(--navy-deep)
    }

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

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

    .wrap {
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 0 24px
    }

    .grad-text {
      background: var(--grad);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent
    }

    /* ── HEADER ── */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--navy-deep);
      border-bottom: 1px solid rgba(255, 255, 255, .06)
    }

    nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px
    }

    .logo img {
      height: 70px !important;
      padding: 5px !important;
      display: block
    }

    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center
    }

    .nav-links a {
      color: #c2d0ea;
      font-size: .94rem;
      font-weight: 500;
      transition: color .2s
    }

    .nav-links a:hover {
      color: #fff
    }

    .nav-cta {
      display: flex;
      gap: 12px;
      align-items: center
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-family: 'Plus Jakarta Sans', sans-serif;
      font-weight: 600;
      font-size: .94rem;
      padding: 11px 22px;
      border-radius: 9px;
      cursor: pointer;
      transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
      border: none;
      white-space: nowrap
    }

    .btn-outline {
      color: #dce6f6;
      border: 1px solid rgba(255, 255, 255, .22);
      background: transparent
    }

    .btn-outline:hover {
      border-color: var(--sky-light);
      color: #fff;
      background: rgba(60, 153, 207, .12)
    }

    .btn-primary {
      background: var(--sky);
      color: #fff;
      box-shadow: 0 4px 14px rgba(60, 153, 207, .35)
    }

    .btn-primary:hover {
      background: #2f86bd;
      transform: translateY(-1px);
      box-shadow: 0 8px 22px rgba(60, 153, 207, .45)
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.6rem;
      cursor: pointer
    }

    /* DROPDOWN */
    .has-dropdown {
      position: relative
    }

    .dropdown-trigger {
      display: flex;
      align-items: center;
      gap: 5px;
      cursor: pointer;
      color: #c2d0ea
    }

    .dropdown-trigger svg {
      width: 13px;
      height: 13px;
      transition: transform .2s
    }

    .has-dropdown:hover .dropdown-trigger svg {
      transform: rotate(180deg)
    }

    .dropdown-menu {
      position: absolute;
      top: calc(100% + 14px);
      left: 50%;
      transform: translateX(-50%) translateY(-8px);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      box-shadow: var(--shadow-lg);
      padding: 10px;
      width: 300px;
      opacity: 0;
      pointer-events: none;
      transition: opacity .2s, transform .2s;
      z-index: 200
    }

    .has-dropdown:hover .dropdown-menu {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0)
    }

    .dropdown-menu a {
      display: flex;
      flex-direction: column;
      gap: 1px;
      padding: 10px 12px;
      border-radius: 9px;
      color: var(--ink);
      transition: background .15s
    }

    .dropdown-menu a:hover {
      background: var(--bg)
    }

    .dropdown-menu .dm-title {
      font-family: 'Plus Jakarta Sans';
      font-weight: 600;
      font-size: .86rem;
      color: var(--navy-deep)
    }

    .dropdown-menu .dm-sub {
      font-size: .74rem;
      color: var(--slate-light)
    }

    .dropdown-menu .dm-divider {
      height: 1px;
      background: var(--line);
      margin: 6px 4px
    }

    @media(max-width: 900px) {
      .dropdown-menu {
        display: none !important;
        position: static !important;
        transform: none !important;
        box-shadow: none !important;
        background: transparent !important;
        padding: 10px 0 0 14px !important;
        border: none !important;
        border-left: 2px solid rgba(255,255,255,.1) !important;
        width: 100% !important;
        opacity: 1 !important;
        pointer-events: auto !important;
      }
      
      /* Show dropdown when parent is active (clicked) */
      .has-dropdown.active .dropdown-menu {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
      }
      
      .dropdown-menu a {
        padding: 6px 0 !important;
        background: transparent !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 2px !important;
        align-items: start !important;
      }
      
      .dropdown-menu .dm-title {
        color: #c2d0ea !important;
        font-size: 0.9rem !important;
      }
      
      .dropdown-menu .dm-sub {
        color: #7e90ba !important;
        font-size: 0.74rem !important;
        margin-top: 2px !important;
      }
      
      .dropdown-menu .dm-divider {
        display: none !important;
      }

      .has-dropdown.active .dropdown-trigger svg {
        transform: rotate(180deg) !important;
      }
    }

    /* ── BREADCRUMB ── */
    .breadcrumb {
      padding: 18px 0;
      border-bottom: 1px solid var(--line);
      background: #fff
    }

    .breadcrumb-inner {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .82rem;
      color: var(--slate-light);
      flex-wrap: wrap
    }

    .breadcrumb-inner a {
      color: var(--slate);
      transition: color .15s
    }

    .breadcrumb-inner a:hover {
      color: var(--sky)
    }

    .breadcrumb-inner .sep {
      color: var(--line-2)
    }

    .breadcrumb-inner .current {
      color: var(--navy-deep);
      font-weight: 500
    }

    /* ── ARTICLE HERO ── */
    .article-hero {
      background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
      padding: 52px 0 0;
      border-bottom: 1px solid var(--line);
      overflow: hidden;
      position: relative
    }

    .article-hero::before {
      content: "";
      position: absolute;
      top: -180px;
      right: -140px;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(60, 153, 207, .09), transparent 70%);
      border-radius: 50%
    }

    .ah-inner {
      position: relative;
      z-index: 1;
      max-width: var(--content-w);
      margin: 0 auto;
      padding: 0 24px
    }

    /* Back button */
    .back-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Plus Jakarta Sans';
      font-weight: 600;
      font-size: .84rem;
      color: var(--navy);
      background: var(--sky-soft);
      border: 1px solid #bcdde6;
      padding: 7px 14px;
      border-radius: 30px;
      margin-bottom: 26px;
      transition: background .18s, color .18s
    }

    .back-btn:hover {
      background: #daeef5;
      color: var(--navy-deep)
    }

    .back-btn svg {
      width: 14px;
      height: 14px;
      transition: transform .18s
    }

    .back-btn:hover svg {
      transform: translateX(-2px)
    }

    /* Category pill */
    .post-category {
      display: inline-block;
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .08em;
      padding: 4px 13px;
      border-radius: 20px;
      background: var(--sky);
      color: #fff;
      margin-bottom: 18px
    }

    /* H1 */
    .article-hero h1 {
      font-size: clamp(1.9rem, 4.2vw, 2.8rem);
      font-weight: 800;
      line-height: 1.18;
      margin-bottom: 18px;
      color: var(--navy-deep)
    }

    /* Byline row */
    .byline {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      padding: 20px 0 24px;
      border-top: 1px solid var(--line);
      margin-top: 10px
    }

    .byline-av {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--grad);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .78rem;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0
    }

    .byline-info .bn {
      font-family: 'Plus Jakarta Sans';
      font-weight: 700;
      font-size: .94rem;
      color: var(--navy-deep)
    }

    .byline-info .br {
      font-size: .76rem;
      color: var(--slate-light)
    }

    .byline-sep {
      width: 1px;
      height: 28px;
      background: var(--line);
      flex-shrink: 0
    }

    .byline-meta {
      display: flex;
      gap: 18px;
      flex-wrap: wrap
    }

    .bmeta {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: .8rem;
      color: var(--slate-light)
    }

    .bmeta svg {
      width: 14px;
      height: 14px
    }

    /* Hero image simple styles */
    .hero-img-container {
      width: 100%;
      margin-top: 24px
    }

    .hero-img {
      width: 100%;
      height: auto;
      max-height: 450px;
      object-fit: cover;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(26, 42, 63, .06)
    }

    /* ── ARTICLE LAYOUT ── */
    .article-layout {
      display: grid;
      grid-template-columns: var(--content-w) 1fr;
      gap: 54px;
      max-width: var(--maxw);
      margin: 0 auto;
      padding: 0 24px 80px;
      align-items: start
    }

    /* ── ARTICLE BODY ── */
    /* ============================================================
     📝 ARTICLE BODY STYLES
     All blog content goes inside <article class="article-body">
     These styles control how the written content renders.
     ============================================================ */
    .article-body {
      padding: 44px 0 30px;
      max-width: var(--content-w)
    }

    .article-body p {
      font-size: 1.05rem;
      line-height: 1.82;
      color: var(--slate);
      margin-bottom: 22px
    }

    .article-body p:last-child {
      margin-bottom: 0
    }

    .article-body h2 {
      font-size: 1.5rem;
      font-weight: 800;
      margin: 40px 0 14px;
      color: var(--navy-deep);
      padding-top: 4px
    }

    .article-body h3 {
      font-size: 1.18rem;
      font-weight: 700;
      margin: 30px 0 11px;
      color: var(--navy-deep)
    }

    .article-body h4 {
      font-size: 1rem;
      font-weight: 700;
      margin: 22px 0 8px;
      color: var(--navy-deep)
    }

    .article-body ul,
    .article-body ol {
      margin: 14px 0 22px 0;
      padding-left: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px
    }

    .article-body ul li,
    .article-body ol li {
      font-size: 1rem;
      color: var(--slate);
      line-height: 1.7;
      padding-left: 22px;
      position: relative
    }

    .article-body ul li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--sky);
      flex-shrink: 0
    }

    .article-body ol {
      counter-reset: ol-ctr
    }

    .article-body ol li {
      counter-increment: ol-ctr
    }

    .article-body ol li::before {
      content: counter(ol-ctr)".";
      position: absolute;
      left: 0;
      font-weight: 700;
      font-size: .82rem;
      color: var(--sky);
      font-family: 'Plus Jakarta Sans';
      top: 2px
    }

    .article-body strong {
      color: var(--navy-deep);
      font-weight: 700
    }

    .article-body em {
      font-style: italic;
      color: var(--slate)
    }

    .article-body a {
      color: var(--sky);
      font-weight: 600;
      border-bottom: 1px solid #bcdde6;
      transition: color .15s, border-color .15s
    }

    .article-body a:hover {
      color: var(--navy-deep);
      border-color: var(--navy-deep)
    }

    /* Blockquote */
    .article-body blockquote {
      margin: 28px 0;
      padding: 20px 24px 20px 28px;
      background: var(--sky-soft);
      border-left: 4px solid var(--sky);
      border-radius: 0 10px 10px 0
    }

    .article-body blockquote p {
      font-size: 1.08rem;
      color: var(--navy-deep);
      font-style: italic;
      font-weight: 500;
      margin: 0
    }

    .article-body blockquote cite {
      display: block;
      margin-top: 10px;
      font-size: .82rem;
      color: var(--slate-light);
      font-style: normal;
      font-weight: 600
    }

    /* Callout / tip box */
    .callout {
      background: linear-gradient(135deg, #f4f9fb, #e6f1f5);
      border: 1px solid #bcdde6;
      border-radius: 13px;
      padding: 20px 22px;
      margin: 24px 0
    }

    .callout-tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .07em;
      color: var(--navy);
      margin-bottom: 8px
    }

    .callout-tag svg {
      width: 13px;
      height: 13px
    }

    .callout p {
      font-size: .96rem;
      color: var(--navy-deep);
      margin: 0;
      line-height: 1.7
    }

    /* Stat highlight */
    .stat-highlight {
      background: var(--grad);
      border-radius: 14px;
      padding: 26px 28px;
      margin: 28px 0;
      text-align: center;
      position: relative;
      overflow: hidden
    }

    .stat-highlight::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -60px;
      width: 180px;
      height: 180px;
      background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 70%);
      border-radius: 50%
    }

    .stat-highlight .sh-num {
      font-family: 'Plus Jakarta Sans';
      font-weight: 800;
      font-size: 2.8rem;
      color: #fff;
      line-height: 1;
      position: relative
    }

    .stat-highlight .sh-label {
      font-size: .94rem;
      color: rgba(255, 255, 255, .8);
      margin-top: 6px;
      position: relative
    }

    /* Image inside article */
    .article-body figure {
      margin: 28px 0
    }

    .article-body figure img {
      width: 100%;
      border-radius: 12px;
      border: 1px solid var(--line)
    }

    .article-body figcaption {
      font-size: .78rem;
      color: var(--slate-light);
      margin-top: 8px;
      text-align: center;
      font-style: italic
    }

    /* Divider */
    .article-body hr {
      border: none;
      border-top: 1px solid var(--line);
      margin: 36px 0
    }



    /* ── CTA BOX inside article ── */
    .article-cta {
      background: var(--grad);
      border-radius: var(--radius);
      padding: 32px;
      margin: 40px 0;
      text-align: center;
      position: relative;
      overflow: hidden
    }

    .article-cta::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 240px;
      height: 240px;
      background: radial-gradient(circle, rgba(60, 153, 207, .18), transparent 70%);
      border-radius: 50%
    }

    .article-cta h3 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 10px;
      position: relative
    }

    .article-cta p {
      font-size: .95rem;
      color: rgba(255, 255, 255, .78);
      margin-bottom: 20px;
      line-height: 1.65;
      position: relative
    }

    .article-cta a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--sky-light);
      color: #fff;
      font-family: 'Plus Jakarta Sans';
      font-weight: 700;
      font-size: .94rem;
      padding: 12px 24px;
      border-radius: 9px;
      position: relative;
      transition: background .18s, transform .18s
    }

    .article-cta a:hover {
      background: #2f86bd;
      transform: translateY(-1px);
      border: none
    }


    /* ── SIDEBAR ── */
    .article-sidebar {
      padding: 44px 0 0;
      display: flex;
      flex-direction: column;
      gap: 24px;
      position: sticky;
      top: 92px
    }

    .sidebar-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: var(--shadow-sm)
    }

    .sc-head {
      padding: 16px 18px;
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      gap: 9px
    }

    .sc-head svg {
      width: 15px;
      height: 15px;
      color: var(--sky)
    }

    .sc-head h4 {
      font-size: .88rem;
      font-weight: 700;
      color: var(--navy-deep)
    }

    .sc-body {
      padding: 14px 18px
    }

    /* Table of contents */
    .toc ol {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 2px;
      counter-reset: toc
    }

    .toc li {
      counter-increment: toc
    }

    .toc a {
      display: flex;
      gap: 9px;
      padding: 7px 9px;
      border-radius: 7px;
      font-size: .83rem;
      color: var(--slate);
      transition: background .15s, color .15s;
      line-height: 1.4
    }

    .toc a:hover,
    .toc a.active {
      background: var(--bg);
      color: var(--navy-deep)
    }

    .toc a::before {
      content: counter(toc);
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      border-radius: 6px;
      background: var(--bg-2);
      color: var(--slate-light);
      font-size: .7rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Plus Jakarta Sans'
    }

    /* CTA sidebar */
    .sb-cta {
      background: var(--grad);
      border: none;
      position: relative;
      overflow: hidden
    }

    .sb-cta::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -60px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, rgba(60, 153, 207, .22), transparent 70%);
      border-radius: 50%
    }

    .sb-cta-inner {
      padding: 26px 22px;
      position: relative;
      z-index: 1;
      text-align: center
    }

    .sb-cta-inner h3 {
      font-size: 1.05rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 8px
    }

    .sb-cta-inner p {
      font-size: .84rem;
      color: rgba(255, 255, 255, .78);
      margin-bottom: 16px;
      line-height: 1.6
    }

    .sb-cta-inner .btn-cta {
      display: block;
      background: var(--sky-light);
      color: #fff;
      padding: 11px 18px;
      border-radius: 9px;
      font-family: 'Plus Jakarta Sans';
      font-weight: 700;
      font-size: .86rem;
      text-align: center;
      transition: background .18s, transform .18s
    }

    .sb-cta-inner .btn-cta:hover {
      background: #2f86bd;
      transform: translateY(-1px)
    }

    /* Share */
    .share-btns {
      display: flex;
      gap: 8px;
      flex-wrap: wrap
    }

    .share-btn {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 13px;
      border-radius: 8px;
      font-size: .78rem;
      font-weight: 700;
      cursor: pointer;
      border: 1px solid var(--line-2);
      background: #fff;
      color: var(--slate);
      transition: background .15s, border-color .15s, color .15s
    }

    .share-btn:hover {
      border-color: #bcdde6;
      color: var(--navy);
      background: var(--sky-soft)
    }

    .share-btn svg {
      width: 14px;
      height: 14px
    }


    /* ── FOOTER ── */
    footer {
      background: var(--navy-deep);
      padding: 58px 0 32px;
      color: #c2d0ea
    }

    .foot-top {
      display: grid;
      grid-template-columns: 1.3fr 1.4fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 44px
    }

    .foot-brand img {
      height: 70px;
      margin-bottom: 15px
    }

    .foot-brand p {
      color: #9fb0d4;
      font-size: .92rem;
      max-width: 280px
    }

    .foot-col h5 {
      font-family: 'Plus Jakarta Sans';
      font-size: .8rem;
      text-transform: uppercase;
      letter-spacing: .07em;
      color: #7e90ba;
      margin-bottom: 15px
    }

    .foot-col a {
      display: block;
      color: #b9c6e2;
      font-size: .92rem;
      margin-bottom: 10px;
      transition: color .2s
    }

    .foot-col a:hover {
      color: var(--sky-light)
    }

    .foot-bot {
      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
    }

    .foot-bot p {
      color: #7e90ba;
      font-size: .84rem
    }

    .foot-bot .legal {
      display: flex;
      gap: 22px
    }

    .foot-bot .legal a {
      color: #7e90ba;
      font-size: .84rem
    }

    /* ── RESPONSIVE ── */
    @media(max-width:1040px) {
      .article-layout {
        grid-template-columns: 1fr;
        gap: 0
      }

      .article-sidebar {
        position: static;
        padding: 0 0 20px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px
      }

      .toc {
        display: none
      }
    }

    @media(max-width:900px) {
      .nav-links {
        display: none
      }

      .menu-toggle {
        display: block
      }

      .nav-cta .btn-outline {
        display: none !important
      }

      .logo img {
        height: 50px !important;
        padding: 2px !important
      }

      nav {
        height: 70px !important
      }

      .foot-top {
        grid-template-columns: 1fr 1fr
      }

      .breadcrumb {
        margin-top: 20px
      }
    }

    @media(max-width:600px) {
      .nav-cta .btn-outline {
        display: none
      }

      .article-sidebar {
        grid-template-columns: 1fr
      }

      .ah-inner {
        padding-left: 10px;
        padding-right: 10px
      }

      .article-body {
        padding-left: 0;
        padding-right: 0
      }
    }