/* ── Reset & Base ── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg-primary:   #0a0a0f;
      --bg-secondary: #0f0f1a;
      --card-bg:      #1a1a2e;
      --card-border:  rgba(124,58,237,0.18);
      --accent:       #7c3aed;
      --accent-light: #a855f7;
      --cyan:         #06b6d4;
      --gold:         #f59e0b;
      --green:        #10b981;
      --red:          #ef4444;
      --text-primary: #f1f5f9;
      --text-muted:   #94a3b8;
      --text-dim:     #64748b;
      --radius:       12px;
      --radius-lg:    20px;
      --transition:   .3s ease;
    }

    html { scroll-behavior: smooth; font-size: 16px; }

    body {
      font-family: 'Outfit', sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; }

    /* ── Scrollbar ── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--bg-primary); }
    ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

    /* ── Skip Link ── */
    .skip-link {
      position: absolute; top: -40px; left: 1rem; z-index: 9999;
      background: var(--accent); color: #fff; padding: .5rem 1rem;
      border-radius: var(--radius); font-weight: 600;
      transition: top var(--transition);
    }
    .skip-link:focus { top: 1rem; }

    /* ══════════════════════════════════════
       NAVIGATION
    ══════════════════════════════════════ */
    .navbar {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
      background: rgba(10,10,15,.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(124,58,237,.2);
      padding: .9rem 0;
    }

    .nav-inner {
      max-width: 1280px; margin: 0 auto; padding: 0 1.5rem;
      display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    }

    .nav-logo {
      display: flex; align-items: center; gap: .6rem;
      font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em;
      background: linear-gradient(135deg, var(--accent-light), var(--cyan));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }

    .nav-logo-icon {
      width: 36px; height: 36px; border-radius: 8px;
      background: linear-gradient(135deg, var(--accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
      font-size: .9rem; font-weight: 900; color: #fff;
      -webkit-text-fill-color: #fff;
    }

    .nav-links {
      display: flex; align-items: center; gap: .2rem;
    }

    .nav-links a {
      padding: .45rem .9rem; border-radius: 8px; font-size: .875rem;
      font-weight: 500; color: var(--text-muted);
      transition: all var(--transition); white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text-primary);
      background: rgba(124,58,237,.15);
    }

    .nav-links a.active { color: var(--accent-light); }

    .nav-cta {
      padding: .5rem 1.2rem !important;
      background: linear-gradient(135deg, var(--accent), var(--accent-light)) !important;
      color: #fff !important; border-radius: 8px; font-weight: 600 !important;
      -webkit-text-fill-color: #fff !important;
    }

    .nav-cta:hover { opacity: .9; transform: translateY(-1px); }

    .nav-toggle {
      display: none; flex-direction: column; gap: 5px;
      background: none; border: none; cursor: pointer; padding: .25rem;
    }

    .nav-toggle span {
      display: block; width: 24px; height: 2px;
      background: var(--text-primary); border-radius: 2px;
      transition: all var(--transition);
    }

    /* ══════════════════════════════════════
       PAGE HERO
    ══════════════════════════════════════ */
    .page-hero {
      position: relative; overflow: hidden;
      padding: 7rem 1.5rem 3rem;
      background: linear-gradient(180deg, #13082a 0%, var(--bg-primary) 100%);
    }

    .hero-orb {
      position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
    }
    .hero-orb-1 {
      width: 500px; height: 500px; top: -200px; right: -100px;
      background: radial-gradient(circle, rgba(124,58,237,.35) 0%, transparent 70%);
    }
    .hero-orb-2 {
      width: 350px; height: 350px; bottom: -100px; left: -80px;
      background: radial-gradient(circle, rgba(6,182,212,.25) 0%, transparent 70%);
    }

    .hero-inner {
      max-width: 1280px; margin: 0 auto;
      display: grid; grid-template-columns: 1fr auto; gap: 2rem;
      align-items: center; position: relative; z-index: 1;
    }

    .hero-badge {
      display: inline-flex; align-items: center; gap: .5rem;
      background: rgba(124,58,237,.2); border: 1px solid rgba(124,58,237,.4);
      border-radius: 50px; padding: .35rem 1rem; font-size: .8rem;
      font-weight: 600; color: var(--accent-light); margin-bottom: 1rem;
    }

    .hero-badge::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse-dot 2s infinite; }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .6; transform: scale(.8); }
    }

    .hero-title {
      font-size: clamp(2rem, 5vw, 3.2rem);
      font-weight: 800; line-height: 1.15;
      background: linear-gradient(135deg, #fff 0%, var(--accent-light) 60%, var(--cyan) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      margin-bottom: .75rem;
    }

    .hero-subtitle {
      font-size: 1.1rem; color: var(--text-muted); margin-bottom: 1.5rem;
      max-width: 520px;
    }

    .hero-stats {
      display: flex; gap: 2rem; flex-wrap: wrap;
    }

    .hero-stat { text-align: center; }
    .hero-stat strong {
      display: block; font-size: 1.6rem; font-weight: 800;
      background: linear-gradient(135deg, var(--gold), #fbbf24);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero-stat span { font-size: .8rem; color: var(--text-muted); font-weight: 500; }

    .hero-avatar-wrap {
      position: relative;
    }

    .hero-avatar {
      width: 140px; height: 140px; border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
      font-size: 3.2rem; font-weight: 900; color: #fff;
      border: 4px solid rgba(124,58,237,.4);
      box-shadow: 0 0 40px rgba(124,58,237,.45), 0 0 80px rgba(124,58,237,.2);
      animation: avatar-float 4s ease-in-out infinite;
    }

    @keyframes avatar-float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }

    .hero-avatar-ring {
      position: absolute; inset: -10px; border-radius: 50%;
      border: 2px dashed rgba(124,58,237,.4);
      animation: spin 20s linear infinite;
    }

    @keyframes spin { to { transform: rotate(360deg); } }

    .verified-badge {
      position: absolute; bottom: 4px; right: 4px;
      width: 32px; height: 32px; border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan), #0ea5e9);
      display: flex; align-items: center; justify-content: center;
      font-size: .85rem; border: 2px solid var(--bg-primary);
    }

    /* ══════════════════════════════════════
       BREADCRUMB
    ══════════════════════════════════════ */
    .breadcrumb-bar {
      background: rgba(255,255,255,.03);
      border-bottom: 1px solid rgba(255,255,255,.06);
      padding: .7rem 1.5rem;
    }

    .breadcrumb-inner {
      max-width: 1280px; margin: 0 auto;
    }

    .breadcrumb {
      display: flex; align-items: center; gap: .4rem;
      font-size: .82rem; color: var(--text-dim);
    }

    .breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
    .breadcrumb a:hover { color: var(--accent-light); }
    .breadcrumb .sep { color: var(--text-dim); font-size: .7rem; }
    .breadcrumb .current { color: var(--accent-light); font-weight: 600; }

    /* ══════════════════════════════════════
       MAIN LAYOUT
    ══════════════════════════════════════ */
    .main-content {
      max-width: 1280px; margin: 0 auto;
      padding: 3rem 1.5rem 4rem;
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 2.5rem;
      align-items: start;
    }

    /* ── Card ── */
    .card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 2rem;
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, var(--accent), var(--cyan));
    }

    .section-title {
      font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem;
      display: flex; align-items: center; gap: .6rem;
      color: var(--text-primary);
    }

    .section-title .icon {
      width: 32px; height: 32px; border-radius: 8px;
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      display: flex; align-items: center; justify-content: center;
      font-size: .85rem; flex-shrink: 0;
    }

    /* ══════════════════════════════════════
       AUTHOR PROFILE CARD
    ══════════════════════════════════════ */
    .author-profile-card {
      margin-bottom: 2rem;
    }

    .author-top {
      display: flex; gap: 2rem; align-items: flex-start;
      margin-bottom: 2rem; padding-bottom: 2rem;
      border-bottom: 1px solid rgba(255,255,255,.07);
    }

    .author-avatar-lg {
      position: relative; flex-shrink: 0;
    }

    .avatar-circle {
      width: 120px; height: 120px; border-radius: 50%;
      background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
      display: flex; align-items: center; justify-content: center;
      font-size: 2.5rem; font-weight: 900; color: #fff;
      border: 3px solid rgba(124,58,237,.5);
      box-shadow: 0 0 30px rgba(124,58,237,.4);
    }

    .avatar-verified {
      position: absolute; bottom: 2px; right: 2px;
      width: 28px; height: 28px; border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan), #0ea5e9);
      display: flex; align-items: center; justify-content: center;
      font-size: .75rem; border: 2px solid var(--card-bg);
    }

    .author-info { flex: 1; min-width: 0; }

    .author-name {
      font-size: 1.8rem; font-weight: 800;
      background: linear-gradient(135deg, #fff, var(--accent-light));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      margin-bottom: .3rem;
    }

    .author-role {
      font-size: 1rem; font-weight: 600; color: var(--accent-light);
      margin-bottom: .75rem;
    }

    .author-tags {
      display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem;
    }

    .tag {
      padding: .25rem .75rem; border-radius: 50px; font-size: .78rem;
      font-weight: 600; border: 1px solid;
    }

    .tag-purple { background: rgba(124,58,237,.15); border-color: rgba(124,58,237,.4); color: var(--accent-light); }
    .tag-cyan   { background: rgba(6,182,212,.12); border-color: rgba(6,182,212,.35); color: var(--cyan); }
    .tag-gold   { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.35); color: var(--gold); }
    .tag-green  { background: rgba(16,185,129,.12); border-color: rgba(16,185,129,.35); color: var(--green); }

    .author-social {
      display: flex; gap: .6rem; flex-wrap: wrap;
    }

    .social-btn {
      display: flex; align-items: center; gap: .4rem;
      padding: .4rem .9rem; border-radius: 8px; font-size: .8rem;
      font-weight: 600; border: 1px solid; transition: all var(--transition);
      cursor: pointer;
    }

    .social-btn-twitter  { background: rgba(29,161,242,.1); border-color: rgba(29,161,242,.3); color: #1da1f2; }
    .social-btn-ig       { background: rgba(225,48,108,.1); border-color: rgba(225,48,108,.3); color: #e1306c; }
    .social-btn-linkedin { background: rgba(10,102,194,.1); border-color: rgba(10,102,194,.3); color: #0a66c2; }

    .social-btn:hover { transform: translateY(-2px); filter: brightness(1.2); }

    /* Bio */
    .author-bio { color: var(--text-muted); line-height: 1.8; margin-bottom: 1.5rem; }
    .author-bio p { margin-bottom: 1rem; }
    .author-bio p:last-child { margin-bottom: 0; }
    .author-bio strong { color: var(--text-primary); }
    .author-bio em { color: var(--accent-light); font-style: normal; font-weight: 600; }

    /* Meta info grid */
    .author-meta-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem;
      margin-top: 1.5rem;
    }

    .meta-item {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.07);
      border-radius: var(--radius); padding: 1rem;
      display: flex; align-items: flex-start; gap: .8rem;
    }

    .meta-icon {
      width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      display: flex; align-items: center; justify-content: center; font-size: .9rem;
    }

    .meta-label { font-size: .75rem; color: var(--text-dim); font-weight: 500; margin-bottom: .15rem; }
    .meta-value { font-size: .9rem; color: var(--text-primary); font-weight: 600; }

    /* ══════════════════════════════════════
       EXPERTISE / SKILL BARS
    ══════════════════════════════════════ */
    .skill-bars { display: flex; flex-direction: column; gap: 1.2rem; }

    .skill-item {}
    .skill-header {
      display: flex; justify-content: space-between; align-items: center;
      margin-bottom: .5rem;
    }
    .skill-name { font-size: .9rem; font-weight: 600; color: var(--text-primary); }
    .skill-pct  { font-size: .85rem; font-weight: 700; color: var(--accent-light); }

    .skill-track {
      height: 8px; background: rgba(255,255,255,.08);
      border-radius: 50px; overflow: hidden;
    }

    .skill-bar {
      height: 100%; border-radius: 50px;
      background: linear-gradient(90deg, var(--accent), var(--cyan));
      width: 0; transition: width 1.2s ease;
      position: relative;
    }

    .skill-bar::after {
      content: ''; position: absolute; top: 0; right: 0;
      width: 6px; height: 100%; border-radius: 50%;
      background: #fff; box-shadow: 0 0 6px rgba(255,255,255,.5);
    }

    /* Certification Badges */
    .cert-grid {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
      margin-top: 1.5rem;
    }

    .cert-badge {
      background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius); padding: 1rem; text-align: center;
      transition: all var(--transition);
    }

    .cert-badge:hover {
      border-color: var(--accent); background: rgba(124,58,237,.1);
      transform: translateY(-3px);
    }

    .cert-icon { font-size: 1.8rem; margin-bottom: .5rem; }
    .cert-name { font-size: .82rem; font-weight: 700; color: var(--text-primary); margin-bottom: .2rem; }
    .cert-year { font-size: .75rem; color: var(--text-dim); }

    /* ══════════════════════════════════════
       EDITORIAL PROCESS
    ══════════════════════════════════════ */
    .process-steps { display: flex; flex-direction: column; gap: 1.2rem; }

    .process-step {
      display: flex; gap: 1rem; align-items: flex-start;
      padding: 1.2rem; border-radius: var(--radius);
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.06);
      transition: all var(--transition);
    }

    .process-step:hover {
      background: rgba(124,58,237,.08); border-color: rgba(124,58,237,.3);
      transform: translateX(4px);
    }

    .step-num {
      width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      display: flex; align-items: center; justify-content: center;
      font-weight: 800; font-size: .9rem;
    }

    .step-content {}
    .step-title { font-weight: 700; color: var(--text-primary); margin-bottom: .25rem; font-size: .95rem; }
    .step-desc  { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

    /* ══════════════════════════════════════
       RECENT ARTICLES
    ══════════════════════════════════════ */
    .articles-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
      gap: 1.2rem;
    }

    .article-card {
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.07);
      border-radius: var(--radius-lg); overflow: hidden;
      transition: all var(--transition); display: flex; flex-direction: column;
    }

    .article-card:hover {
      border-color: rgba(124,58,237,.4);
      transform: translateY(-5px);
      box-shadow: 0 12px 40px rgba(124,58,237,.15);
    }

    .article-thumb {
      height: 140px; position: relative; overflow: hidden;
      background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(6,182,212,.15));
      display: flex; align-items: center; justify-content: center;
      font-size: 2.5rem;
    }

    .article-thumb-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.6) 100%);
    }

    .article-cat {
      position: absolute; top: .75rem; left: .75rem;
      padding: .2rem .6rem; border-radius: 50px; font-size: .72rem;
      font-weight: 700; background: var(--accent); color: #fff;
    }

    .article-body { padding: 1.1rem; flex: 1; display: flex; flex-direction: column; }

    .article-title {
      font-size: .95rem; font-weight: 700; line-height: 1.4;
      color: var(--text-primary); margin-bottom: .6rem;
      transition: color var(--transition);
    }

    .article-card:hover .article-title { color: var(--accent-light); }

    .article-excerpt {
      font-size: .8rem; color: var(--text-muted); line-height: 1.6;
      flex: 1; margin-bottom: .8rem;
    }

    .article-footer {
      display: flex; justify-content: space-between; align-items: center;
      border-top: 1px solid rgba(255,255,255,.06); padding-top: .75rem;
      font-size: .77rem; color: var(--text-dim);
    }

    .article-read-more {
      color: var(--accent-light); font-weight: 600;
      transition: gap var(--transition); display: flex; align-items: center; gap: .3rem;
    }

    .article-read-more:hover { gap: .5rem; }

    /* ══════════════════════════════════════
       SIDEBAR
    ══════════════════════════════════════ */
    .sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

    /* Quick Stats */
    .stat-list { display: flex; flex-direction: column; gap: .75rem; }

    .stat-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: .75rem; background: rgba(255,255,255,.03);
      border-radius: 8px; border: 1px solid rgba(255,255,255,.06);
    }

    .stat-row-label { font-size: .85rem; color: var(--text-muted); }
    .stat-row-value { font-size: .95rem; font-weight: 700; color: var(--accent-light); }

    /* Other Authors */
    .other-authors { display: flex; flex-direction: column; gap: .85rem; }

    .other-author {
      display: flex; align-items: center; gap: .9rem; padding: .8rem;
      background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
      border-radius: var(--radius); transition: all var(--transition); cursor: pointer;
    }

    .other-author:hover {
      border-color: rgba(124,58,237,.35); background: rgba(124,58,237,.08);
      transform: translateX(3px);
    }

    .oa-avatar {
      width: 44px; height: 44px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-weight: 800; font-size: .85rem; flex-shrink: 0;
    }

    .oa-info {}
    .oa-name  { font-size: .88rem; font-weight: 700; color: var(--text-primary); }
    .oa-role  { font-size: .75rem; color: var(--text-dim); }
    .oa-count { font-size: .72rem; color: var(--accent-light); font-weight: 600; margin-top: .15rem; }

    /* Quick Links */
    .quick-links { display: flex; flex-direction: column; gap: .5rem; }

    .qlink {
      display: flex; align-items: center; gap: .6rem; padding: .6rem .8rem;
      background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06);
      border-radius: 8px; font-size: .85rem; color: var(--text-muted);
      transition: all var(--transition);
    }

    .qlink:hover {
      color: var(--text-primary); border-color: rgba(124,58,237,.35);
      background: rgba(124,58,237,.08); padding-left: 1.1rem;
    }

    .qlink::before { content: '›'; color: var(--accent-light); font-size: 1rem; font-weight: 700; }

    /* ══════════════════════════════════════
       FOOTER
    ══════════════════════════════════════ */
    footer {
      background: var(--bg-secondary);
      border-top: 1px solid rgba(255,255,255,.07);
      padding: 3.5rem 1.5rem 2rem;
      margin-top: 2rem;
    }

    .footer-inner {
      max-width: 1280px; margin: 0 auto;
    }

    .footer-grid {
      display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 2.5rem;
      margin-bottom: 2.5rem;
    }

    .footer-brand-logo {
      font-size: 1.6rem; font-weight: 800;
      background: linear-gradient(135deg, var(--accent-light), var(--cyan));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      margin-bottom: .8rem;
    }

    .footer-brand-desc { font-size: .875rem; color: var(--text-dim); line-height: 1.7; margin-bottom: 1.2rem; }

    .footer-socials { display: flex; gap: .6rem; }

    .footer-social-btn {
      width: 36px; height: 36px; border-radius: 8px;
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
      display: flex; align-items: center; justify-content: center; font-size: .85rem;
      transition: all var(--transition);
    }

    .footer-social-btn:hover { background: rgba(124,58,237,.3); border-color: var(--accent); transform: translateY(-3px); }

    .footer-col-title { font-size: .95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1rem; }

    .footer-links { display: flex; flex-direction: column; gap: .45rem; }

    .footer-links a {
      font-size: .85rem; color: var(--text-dim);
      transition: color var(--transition);
    }

    .footer-links a:hover { color: var(--accent-light); }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.06);
      padding-top: 1.5rem;
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 1rem;
    }

    .footer-copy { font-size: .82rem; color: var(--text-dim); }

    .footer-legal { display: flex; gap: 1.5rem; }

    .footer-legal a { font-size: .82rem; color: var(--text-dim); transition: color var(--transition); }
    .footer-legal a:hover { color: var(--accent-light); }

    /* ══════════════════════════════════════
       UTILITY
    ══════════════════════════════════════ */
    .visually-hidden {
      position: absolute; width: 1px; height: 1px;
      padding: 0; margin: -1px; overflow: hidden;
      clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }

    .mb-2  { margin-bottom: 2rem; }
    .full-width { grid-column: 1 / -1; }

    /* ══════════════════════════════════════
       RESPONSIVE
    ══════════════════════════════════════ */
    @media (max-width: 1100px) {
      .main-content { grid-template-columns: 1fr; }
      .sidebar { grid-row: auto; }
      .footer-grid { grid-template-columns: repeat(2,1fr); }
    }

    @media (max-width: 768px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-avatar-wrap { display: none; }
      .author-top { flex-direction: column; }
      .nav-links { display: none; flex-direction: column; gap: .25rem; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,10,15,.97); border-bottom: 1px solid rgba(124,58,237,.2); padding: 1rem 1.5rem; }
      .nav-links.open { display: flex; }
      .nav-toggle { display: flex; }
      .cert-grid { grid-template-columns: repeat(2,1fr); }
      .articles-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 480px) {
      .hero-stats { gap: 1.2rem; }
      .cert-grid { grid-template-columns: 1fr 1fr; }
      .author-meta-grid { grid-template-columns: 1fr; }
    }