:root {
    --ink: #fff;
    --paper: #23133a;
    --cream: #1f1232;
    --rust: #883CF0;
    --gold: #7b5cff;
    --slate: #2a1647;
    --mist: #d6d6d6;
    --accent: #e8eaf6;
  }

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

  html { scroll-behavior: smooth; }

  .centralidea-interactive {
    background: #191127;
    color: var(--ink);
    position: relative;
    overflow-x: hidden;
    cursor: none;
    height: 100vh;
  }

  /* ── CUSTOM CURSOR ── */
  .cursor {
    position: fixed;
    width: 12px; height: 12px;
    background: var(--rust);
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: multiply;
  }
  .cursor-ring {
    position: fixed;
    width: 36px; height: 36px;
    border: 1.5px solid #3a1c63;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.2s, height 0.2s;
  }

  .centralidea-interactive:hover .cursor { opacity: 1; }

  /* ── TICKER ── */
  .ticker-wrap {
    background: #1f1232;
    color: #fff;
    overflow: hidden;
    white-space: nowrap;
    padding: 8px 0;
    
    font-size: 11px;
    
    position: relative;
    z-index: 1;
  }
  .ticker-inner {
    display: inline-block;
    animation: ticker 28s linear infinite;
  }
  .ticker-inner span { margin: 0 40px; }
  .ticker-inner .sep { color: var(--gold); }
  @keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* ── MASTHEAD ── */
  .masthead {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 24px 48px 16px;
    border-bottom: 3px double #3a1c63;
    position: sticky;
    top: 0;
    background: #191127;
    z-index: 1;
  }
  .masthead-date {
    
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--mist);
  }
  .masthead-logo {
    text-align: center;
  }
  .masthead-logo h1 {
    
    font-size: 38px;
    font-weight: 900;
    
    line-height: 1;
  }
  .masthead-logo .tagline {
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--mist);
    margin-top: 2px;
  }
  .masthead-nav {
    display: flex;
    justify-content: flex-end;
    gap: 24px;
    
    font-size: 10px;
    
    text-transform: uppercase;
  }
  .masthead-nav a {
    text-decoration: none;
    color: var(--ink);
    transition: color 0.2s;
    cursor: none;
  }
  .masthead-nav a:hover { color: var(--rust); }

  /* ── HERO ── */
  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 82vh;
    border-bottom: 2px solid #3a1c63;
  }
  .hero-text {
    padding: 64px 56px;
    border-right: 2px solid #3a1c63;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
  }
  .hero-text::before {
    content: "01";
    position: absolute;
    top: -20px;
    right: -10px;
    
    font-size: 220px;
    font-weight: 900;
    color: rgba(0,0,0,0.04);
    pointer-events: none;
    user-select: none;
  }
  .hero-kicker {
    
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--rust);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .hero-kicker::before {
    content: '';
    width: 28px; height: 1.5px;
    background: var(--rust);
    display: inline-block;
  }
  .hero-headline {
    
    font-size: clamp(48px, 5.5vw, 78px);
    font-weight: 900;
    line-height: 1.02;
    margin: 24px 0;
  }
  .hero-headline em {
    font-style: italic;
    color: var(--rust);
  }
  .hero-subtext {
    font-size: 16px;
    line-height: 1.7;
    color: #444;
    max-width: 440px;
    font-weight: 300;
  }
  .hero-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 36px;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--ink);
    color: var(--paper);
    
    font-size: 10px;
    
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: none;
    transition: background 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
  }
  .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--rust);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: -1;
  }
  .btn-primary:hover::after { transform: scaleX(1); }
  .btn-primary:hover { transform: translateY(-2px); cursor: none; }

  .hero-visual {
    background: var(--ink);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .idea-orb {
    position: relative;
    width: 320px;
    height: 320px;
  }
  .orb-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid #3a1c63;
    animation: orbSpin 12s linear infinite;
  }
  .orb-ring:nth-child(2) { inset: 20px; border-style: dashed; animation-duration: 8s; animation-direction: reverse; border-color: #5e309d; }
  .orb-ring:nth-child(3) { inset: 50px; animation-duration: 20s; }
  @keyframes orbSpin { to { transform: rotate(360deg); } }
  .orb-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    color: var(--paper);
  }
  .orb-icon {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 8px;
    animation: pulse 3s ease-in-out infinite;
  }
  @keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} }
  .orb-label {
    
    font-size: 15px;
    
    color: rgba(29, 28, 27, 0.6);
    text-transform: uppercase;
  }
  .hero-float-tags {
    position: absolute;
    inset: 0;
    pointer-events: none;
  }
  .float-tag {
    position: absolute;
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: rgba(245,240,232,0.3);
    animation: floatDrift 6s ease-in-out infinite;
  }
  .float-tag:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
  .float-tag:nth-child(2) { top: 28%; right: 6%; animation-delay: 1.2s; }
  .float-tag:nth-child(3) { top: 58%; left: 5%; animation-delay: 2.4s; }
  .float-tag:nth-child(4) { top: 72%; right: 8%; animation-delay: 0.8s; }
  .float-tag:nth-child(5) { top: 85%; left: 25%; animation-delay: 1.8s; }
  @keyframes floatDrift {
    0%,100% { transform: translateY(0); opacity: 0.3; }
    50% { transform: translateY(-10px); opacity: 0.6; }
  }

  /* ── SECTION DIVIDER ── */
  .section-rule {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 28px 48px 20px;
  }
  .section-rule h2 {
    
    font-size: 10px;
    
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--mist);
  }
  .section-rule::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--ink);
    opacity: 0.15;
  }

  /* ── CATEGORY EXPLORER ── */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 2px solid #5e309d;
  }
  .cat-card {
    padding: 40px 32px;
    border-right: 1px solid #3a1c63;
    cursor: none;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
  }
  .cat-card:last-child { border-right: none; }
  .cat-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 0;
    background: var(--ink);
    transition: height 0.35s ease;
    z-index: 0;
  }
  .cat-card:hover::before { height: 100%; }
  .cat-card * { position: relative; z-index: 1; transition: color 0.3s; }
  .cat-card:hover .cat-icon,
  .cat-card:hover .cat-name,
  .cat-card:hover .cat-count,
  .cat-card:hover .cat-desc { color: var(--paper); }
  .cat-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
  }
  .cat-name {
    
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.1;
  }
  .cat-count {
    
    font-size: 10px;
    
    color: var(--mist);
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .cat-desc {
    font-size: 13px;
    color: #555;
    line-height: 1.6;
  }

  /* ── FEATURED ARTICLES ── */
  .articles-section {
    padding: 0 48px 64px;
    border-top: 2px solid #3a1c63;
  }
  .articles-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0;
    border: 1px solid #3a1c63;
  }
  .article-card {
    padding: 36px 32px;
    border-right: 1px solid #3a1c63;
    border-bottom: 1px solid #3a1c63;
    cursor: none;
    position: relative;
    transition: background 0.25s;
  }
  .article-card:hover { background: var(--cream); }
  .article-card.featured {
    grid-row: 1 / 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 480px;
    background: #1f1232;
    color: #fff;
    padding: 48px 40px;
  }
  .article-card.featured:hover { background: #23133a; }
  .art-category {
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
  }
  .art-title {
    
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 12px;
  }
  .article-card.featured .art-title { font-size: 32px; color: #dfcedc; }
  .art-title { font-size: 19px; }
  .art-excerpt {
    font-size: 13px;
    line-height: 1.65;
    color: rgba(245,240,232,0.65);
    margin-bottom: 24px;
  }
  .art-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--mist);
    margin-top: 16px;
  }
  .art-meta .dot { color: var(--rust); }
  .featured-visual {
    flex: 0 0 auto;
    margin-bottom: 32px;
    height: 180px;
    background: repeating-linear-gradient(
      45deg,
      rgba(147, 43, 192, 0.15),
      rgba(167, 43, 192, 0.15) 2px,
      transparent 2px,
      transparent 12px
    );
    border: 1px solid #5e309d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
  }

  /* ── SEARCH / IDEA FINDER ── */
  .idea-finder {
    padding: 80px 48px;
    background: #180f26;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .idea-finder::before {
    content: 'SEARCH';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    font-size: 200px;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
    pointer-events: none;
    white-space: nowrap;
  }
  .finder-label {
    
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
  }
  .finder-headline {
    
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 36px;
  }
  .finder-headline em { font-style: italic; color: var(--rust); }
  .search-bar {
    display: flex;
    max-width: 600px;
    margin: 0 auto 40px;
    border: 2px solid #3a1c63;
    position: relative;
    z-index: 1;
  }
  .search-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 18px 24px;
    
    font-size: 15px;
    color: #fff;
    outline: none;
  }
  .search-input::placeholder { color: rgba(245,240,232,0.3); }
  .search-btn {
    background: #883CF0;
    border: none;
    padding: 18px 32px;
    color: var(--paper);
    
    font-size: 10px;
    
    text-transform: uppercase;
    cursor: none;
    transition: background 0.2s;
  }
  .search-btn:hover { background: #883cf0e0; }
  .search-results {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
    min-height: 60px;
  }
  .result-item {
    padding: 16px 0;
    border-bottom: 1px solid #3a1c63;
    animation: fadeSlide 0.3s ease forwards;
    opacity: 0;
  }
  @keyframes fadeSlide {
    from { transform: translateY(8px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  .result-item:last-child { border-bottom: none; }
  .result-cat {
    
    font-size: 8px;
    
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 4px;
  }
  .result-title {
    
    font-size: 17px;
    color: #fff;
  }
  .result-snippet {
    font-size: 12px;
    color: rgba(245,240,232,0.5);
    margin-top: 4px;
    line-height: 1.6;
  }
  .no-results {
    
    font-style: italic;
    font-size: 18px;
    color: rgba(245,240,232,0.3);
    text-align: center;
    padding: 24px 0;
  }
  .suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    position: relative;
    z-index: 1;
  }
  .chip {
    padding: 6px 16px;
    border: 1px solid #3a1c63;
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: rgba(245,240,232,0.55);
    cursor: none;
    transition: all 0.2s;
  }
  .chip:hover { background: #1f1232; color: #fff; border-color: #3a1c63; }

  /* ── IDEA QUIZ ── */
  .quiz-section {
    padding: 80px 48px;
    border-top: 2px solid #3a1c63;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .quiz-text .section-tag {
    
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .quiz-text .section-tag::before { content: ''; width: 20px; height: 1.5px; background: var(--rust); display: block; }
  .quiz-text h2 {
    
    font-size: clamp(32px, 3.5vw, 48px);
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 20px;
  }
  .quiz-text p {
    font-size: 15px;
    line-height: 1.75;
    color: #555;
  }
  .quiz-widget {
    background: var(--cream);
    border: 1px solid #3a1c63;
    padding: 40px;
  }
  .quiz-progress {
    display: flex;
    gap: 6px;
    margin-bottom: 28px;
  }
  .quiz-dot {
    height: 3px;
    flex: 1;
    background: rgba(255, 255, 255, 0.12);
    transition: background 0.3s;
  }
  .quiz-dot.active { background: var(--rust); }
  .quiz-dot.done { background: var(--ink); }
  .quiz-q {
    
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
  }
  .quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
  }
  .quiz-option {
    padding: 14px 18px;
    border: 1.5px solid #3a1c63;
    background: #883cf050;
    text-align: left;
    
    font-size: 14px;
    cursor: none;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }
  .quiz-option::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #3a1c6350;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s;
    z-index: 0;
  }
  .quiz-option span { position: relative; z-index: 1; color:#fff;}
  .quiz-option:hover::before { transform: scaleX(1); }
  .quiz-option:hover { color: var(--paper); border-color: #5e309d; cursor: none; }
  .quiz-option.correct { background: #77b25520; color: white; border-color: #77b255; }
  .quiz-option.wrong { background: #dc143c2b; color: white; border-color: #dc143c; }
  .quiz-option.correct::before, .quiz-option.wrong::before { display: none; }
  .quiz-feedback {
    
    font-size: 11px;
    
    min-height: 20px;
    color: var(--rust);
    margin-bottom: 12px;
  }
  .quiz-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .quiz-score {
    
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--mist);
  }
  .quiz-btn {
    padding: 10px 24px;
    background: var(--ink);
    color: var(--paper);
    border: none;
    
    font-size: 10px;
    
    text-transform: uppercase;
    cursor: none;
    transition: background 0.2s;
    display: none;
  }
  .quiz-btn:hover { background: var(--rust); cursor: none; }
  .quiz-result {
    text-align: center;
    display: none;
  }
  .quiz-result-icon { font-size: 48px; margin-bottom: 12px; }
  .quiz-result h3 {
    
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .quiz-result p {
    font-size: 13px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
  }

  /* ── STATS STRIP ── */
  .stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 2px solid #3a1c63;
    border-bottom: 2px solid #3a1c63;
  }
  .stat-cell {
    padding: 36px 32px;
    border-right: 1px solid rgba(13,13,13,0.12);
    text-align: center;
  }
  .stat-cell:last-child { border-right: none; }
  .stat-num {
    
    font-size: 52px;
    font-weight: 900;
    line-height: 1;
  }
  .stat-num .counter { display: inline-block; }
  .stat-label {
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--mist);
    margin-top: 6px;
  }

  /* ── NEWSLETTER ── */
  .newsletter {
    padding: 80px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    background: #191127;
    border-top: 2px solid #3a1c63;
  }
  .nl-left .eyebrow {
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: 16px;
  }
  .nl-left h2 {
    
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
  }
  .nl-left p {
    font-size: 14px;
    line-height: 1.7;
    color: #ffffff;
  }
  .nl-form { display: flex; flex-direction: column; gap: 14px; }
  .nl-field {
    padding: 15px 20px;
    border: 1.5px solid #3a1c63;
    background: #dbdbdb;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
  }
  .nl-field:focus { border-color: var(--rust); }
  .nl-submit {
    padding: 16px;
    background: var(--rust);
    color: var(--paper);
    border: none;
    
    font-size: 10px;
    
    text-transform: uppercase;
    cursor: none;
    transition: background 0.2s;
  }
  .nl-submit:hover { background: #883cf0e0; cursor: none; }
  .nl-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
  }
  .nl-success .big-check { font-size: 48px; margin-bottom: 12px; }
  .nl-success h3 {
    
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .nl-success p { font-size: 13px; color: #666; }

  /* ── FOOTER ── */
  .centralidea-interactive footer {
    background: #180f26;
    color: #FFF;
    padding: 48px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
  }
  .footer-brand h3 {
    
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 12px;
  }
  .footer-brand p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(245,240,232,0.5);
    max-width: 280px;
  }
  .footer-col h4 {
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
  .footer-col ul li a {
    font-size: 13px;
    color: rgba(245,240,232,0.55);
    text-decoration: none;
    cursor: none;
    transition: color 0.2s;
  }
  .footer-col ul li a:hover { color: #fff; }
  .footer-bottom {
    background: #180f26;
    border-top: 1px solid #3a1c63;
    padding: 20px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    font-size: 9px;
    
    text-transform: uppercase;
    color: rgba(245,240,232,0.3);
  }

  /* ── SCROLL REVEAL ── */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    .masthead { grid-template-columns: 1fr; text-align: center; gap: 10px; }
    .masthead-nav { justify-content: center; }
    .hero { grid-template-columns: 1fr; }
    .hero-visual { min-height: 300px; }
    .category-grid { grid-template-columns: 1fr 1fr; }
    .articles-layout { grid-template-columns: 1fr; }
    .article-card.featured { grid-row: auto; min-height: 360px; }
    .quiz-section { grid-template-columns: 1fr; }
    .stats-strip { grid-template-columns: 1fr 1fr; }
    .newsletter { grid-template-columns: 1fr; gap: 40px; }
    .centralidea-interactive footer { grid-template-columns: 1fr 1fr; }
    .articles-section { padding: 0 20px 48px; }
    .section-rule, .quiz-section, .newsletter { padding-left: 20px; padding-right: 20px; }
    .masthead { padding: 16px 20px; }
    .hero-text { padding: 40px 24px; }
    .idea-finder { padding: 60px 20px; }
  }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #873cf015; }
::-webkit-scrollbar-thumb { background: #873cf015; border-radius: 3px; }