:root {
    --ink: #f5f4f6;
    --paper: #f5f0e8;
    --cream: #1f1232;
    --amber: #883CF0;
    --amber-light: #7b5cff;
    --signal: #5e309d;
  }

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

  html { scroll-behavior: smooth; }

  .ai-executive-briefing {
    background: #191127;
    color: var(--ink);
    overflow-x: hidden;
    cursor: crosshair;
    position: relative;
    height: 100vh;
  }

  /* ── NOISE TEXTURE OVERLAY ── */
  .ai-executive-briefing::before {
    content: '';
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
  }

  /* ── TICKER ── */
  .ticker {
    background: #23133a95;
    color: var(--amber);
    font-size: 11px;
    padding: 8px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
  }
  .ticker-inner {
    display: inline-flex;
    animation: ticker 28s linear infinite;
  }
  .ticker-item {
    padding: 0 40px;
  }
  .ticker-item::before { content: '◆ '; color: var(--signal); }
  @keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

  /* ── MASTHEAD ── */
  .masthead {
    border-bottom: 2px solid #3a1c63;
    padding: 18px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: #180f26;
    z-index: 1;
  }
  .masthead-logo {
    
    font-size: 13px;
    font-weight: 700;
    
    text-transform: uppercase;
  }
  .masthead-logo span { color: var(--amber); }
  .masthead-date {
    font-size: 10px;
    
    opacity: 0.5;
    text-transform: uppercase;
  }
  .masthead-nav { display: flex; gap: 28px; }
  .masthead-nav a {
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    opacity: 0.6;
    transition: opacity 0.2s;
  }
  .masthead-nav a:hover { opacity: 1; }

  /* ── HERO ── */
  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 88vh;
    border-bottom: 2px solid #3a1c63;
    position: relative;
    overflow: hidden;
  }
  .hero-left {
    padding: 80px 56px;
    border-right: 2px solid #3a1c63;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
  }
  .hero-tag {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--amber);
    border: 1px solid var(--amber);
    display: inline-block;
    padding: 5px 12px;
    width: fit-content;
    margin-bottom: 40px;
  }
  .hero-headline {
    
    font-size: clamp(48px, 5.5vw, 88px);
    line-height: 0.95;
    font-weight: 900;
    
    margin-bottom: 40px;
  }
  .hero-headline em {
    font-style: italic;
    color: var(--amber);
    display: block;
  }
  .hero-sub {
    font-size: 12px;
    line-height: 1.7;
    opacity: 0.6;
    max-width: 400px;
    margin-bottom: 48px;
  }
  .hero-ctas { display: flex; gap: 16px; align-items: center; }
  .btn-primary {
    background: #883CF0;
    color: var(--paper);
    
    font-size: 11px;
    
    text-transform: uppercase;
    padding: 16px 32px;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
  }
  .btn-primary::after {
    content: '';
    position: absolute;
    bottom: 0; left: -100%; right: 100%; height: 3px;
    background: var(--amber);
    transition: all 0.4s ease;
  }
  .btn-primary:hover::after { left: 0; right: 0; }
  .btn-primary:hover { background: #883cf0e0; }
  .btn-ghost {
    background: transparent;
    color: var(--ink);
    
    font-size: 11px;
    
    text-transform: uppercase;
    padding: 16px 0;
    border: none;
    cursor: pointer;
    opacity: 0.5;
    text-decoration: underline;
    transition: opacity 0.2s;
  }
  .btn-ghost:hover { opacity: 1; }
  .hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid #3a1c63;
  }
  .hero-stat-num {
    
    font-size: 32px;
    font-weight: 700;
    display: block;
  }
  .hero-stat-label {
    font-size: 9px;
    
    text-transform: uppercase;
    opacity: 0.5;
  }

  .hero-right {
    background: #23133a;
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
  }
  .hero-right-grid {
    display: grid;
    grid-template-rows: auto 1fr auto;
    height: 100%;
    gap: 32px;
  }
  .ai-readiness-label {
    color: var(--amber);
    font-size: 10px;
    
    text-transform: uppercase;
  }
  .radar-container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  /* ── RADAR CHART ── */
  .radar-wrap { position: relative; width: 320px; height: 320px; }
  .radar-svg { width: 100%; height: 100%; }
  .radar-label {
    position: absolute;
    font-size: 9px;
    
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.899);
    white-space: nowrap;
  }

  .score-ring {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }
  .score-chip {
    background: #1f1232;
    border: 1px solid #3a1c63;
    color: var(--paper);
    font-size: 10px;
    
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .score-chip:hover, .score-chip.active {
    background: var(--amber);
    color: var(--ink);
    border-color: var(--amber);
  }

  /* ── SECTION LAYOUTS ── */
  .section-divider {
    display: grid;
    grid-template-columns: 48px 1fr;
    border-bottom: 2px solid #3a1c63;
  }
  .section-number {
    border-right: 2px solid #3a1c63;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    opacity: 0.35;
    writing-mode: vertical-rl;
    text-transform: uppercase;
    padding: 24px 0;
  }

  /* ── BENEFITS GRID ── */
  .benefits-outer { padding: 80px 56px; }
  .benefits-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 64px;
  }
  .section-eyebrow {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 16px;
  }
  .section-title {
    
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.05;
    font-weight: 700;
    max-width: 480px;
  }
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 2px solid #3a1c63;
  }
  .benefit-card {
    padding: 40px 36px;
    border-right: 2px solid #3a1c63;
    border-bottom: 2px solid #3a1c63;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    cursor: default;
  }
  .benefit-card:nth-child(3), .benefit-card:nth-child(6) { border-right: none; }
  .benefit-card:nth-child(4), .benefit-card:nth-child(5), .benefit-card:nth-child(6) { border-bottom: none; }
  .benefit-card:hover { background: var(--cream); }
  .benefit-card::before {
    content: attr(data-num);
    position: absolute;
    top: 24px; right: 28px;
    
    font-size: 80px;
    font-weight: 900;
    opacity: 0.04;
    line-height: 1;
  }
  .benefit-icon {
    width: 44px; height: 44px;
    background: #23133a;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
    font-size: 20px;
    flex-shrink: 0;
  }
  .benefit-title {
    
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
  }
  .benefit-desc {
    font-size: 11px;
    line-height: 1.75;
    opacity: 0.55;
  }

  /* ── AI READINESS QUIZ ── */
  .quiz-section {
    background: #2a1647;
    color: var(--paper);
    padding: 88px 56px;
    border-bottom: 2px solid #3a1c63;
    position: relative;
    overflow: hidden;
  }
  .quiz-section::before {
    content: 'QUIZ';
    position: absolute;
    right: -20px; top: 50%;
    transform: translateY(-50%) rotate(90deg);
    
    font-size: 200px;
    font-weight: 900;
    opacity: 0.04;
    pointer-events: none;
  }
  .quiz-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
  }
  .quiz-intro .section-eyebrow { color: var(--amber-light); }
  .quiz-intro .section-title { color: var(--paper); font-size: 40px; }
  .quiz-desc {
    font-size: 12px;
    line-height: 1.75;
    opacity: 0.6;
    margin-top: 24px;
  }
  .quiz-progress-track {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.1);
    margin: 32px 0 8px;
    position: relative;
  }
  .quiz-progress-fill {
    height: 100%;
    background: var(--amber);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .quiz-progress-label {
    font-size: 10px;
    
    opacity: 0.4;
    text-transform: uppercase;
  }
  .quiz-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid #3a1c63;
    padding: 40px;
  }
  .quiz-question-num {
    font-size: 10px;
    
    color: var(--amber-light);
    margin-bottom: 20px;
    text-transform: uppercase;
  }
  .quiz-question-text {
    
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 32px;
    font-weight: 400;
  }
  .quiz-options { display: flex; flex-direction: column; gap: 12px; }
  .quiz-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border: 1px solid #5e309d;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 12px;
  }
  .quiz-option:hover {
    border-color: var(--amber);
    background: #1f1232;
  }
  .quiz-option.selected {
    border-color: var(--amber);
    background: #1f1232;
    color: var(--amber-light);
  }
  .quiz-option-bullet {
    width: 22px; height: 22px;
    border: 1px solid #3a1c63;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 9px;
    transition: all 0.2s;
  }
  .quiz-option.selected .quiz-option-bullet {
    background: var(--amber);
    border-color: var(--amber);
    color: var(--ink);
  }
  .quiz-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
  }
  .btn-quiz {
    background: var(--amber);
    color: var(--ink);
    
    font-size: 11px;
    
    text-transform: uppercase;
    padding: 14px 28px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
  }
  .btn-quiz:hover { background: var(--amber-light); }
  .btn-quiz:disabled { opacity: 0.3; cursor: not-allowed; }
  .btn-quiz-ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.767);
    
    font-size: 11px;
    
    text-transform: uppercase;
    padding: 14px 0;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
  }
  .btn-quiz-ghost:hover { color: rgba(255,255,255,0.8); }

  /* Quiz Result */
  .quiz-result { display: none; text-align: center; }
  .quiz-result.show { display: block; }
  .quiz-card.result-mode { text-align: center; }
  .result-score-ring {
    width: 140px; height: 140px;
    margin: 0 auto 32px;
    position: relative;
  }
  .result-score-ring svg { transform: rotate(-90deg); }
  .result-score-text {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
  }
  .result-score-num {
    
    font-size: 40px;
    font-weight: 700;
    color: var(--amber-light);
    line-height: 1;
  }
  .result-score-denom {
    font-size: 10px;
    opacity: 0.4;
    
  }
  .result-tier {
    
    font-size: 22px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--amber-light);
    margin-bottom: 16px;
  }
  .result-desc {
    font-size: 12px;
    line-height: 1.75;
    opacity: 0.6;
    margin-bottom: 28px;
  }

  /* ── PLANS ── */
  .plans-section {
    padding: 88px 56px;
    background: var(--cream);
    border-bottom: 2px solid #3a1c63;
  }
  .plans-header { text-align: center; margin-bottom: 64px; }
  .plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid #3a1c63;
  }
  .plan-card {
    padding: 48px 40px;
    border-right: 2px solid #3a1c63;
    position: relative;
    transition: all 0.3s;
  }
  .plan-card:last-child { border-right: none; }
  .plan-card.featured {
    background: #23133a;
    color: var(--paper);
  }
  .plan-tag {
    position: absolute;
    top: -1px; right: 28px;
    background: var(--amber);
    color: var(--ink);
    font-size: 9px;
    
    text-transform: uppercase;
    padding: 5px 12px;
  }
  .plan-name {
    font-size: 10px;
    
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 24px;
  }
  .plan-card.featured .plan-name { color: var(--amber-light); }
  .plan-price {
    
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
  }
  .plan-period {
    font-size: 11px;
    opacity: 0.4;
    
    margin-bottom: 32px;
  }
  .plan-features {
    list-style: none;
    margin-bottom: 40px;
  }
  .plan-features li {
    font-size: 11px;
    line-height: 1.5;
    padding: 10px 0;
    border-bottom: 1px solid #3a1c63;
    display: flex;
    gap: 10px;
    opacity: 0.7;
  }
  .plan-card.featured .plan-features li {
    border-bottom-color: #5e309d;
    opacity: 0.75;
  }
  .plan-features li::before { content: '↳'; opacity: 0.4; flex-shrink: 0; }
  .btn-plan {
    width: 100%;
    padding: 16px;
    
    font-size: 11px;
    
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s;
    border: 2px solid #3a1c63;
    background: transparent;
    color: var(--ink);
  }
  .btn-plan:hover { background: #883cf0e0; color: var(--paper); }
  .plan-card.featured .btn-plan {
    border-color: var(--amber);
    background: var(--amber);
    color: var(--ink);
  }
  .plan-card.featured .btn-plan:hover { background: var(--amber-light); border-color: var(--amber-light); }

  /* ── INTEL STRIP ── */
  .intel-strip {
    background: #23133a;
    color: #dad4e3;
    padding: 56px;
    border-bottom: 2px solid #3a1c63;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .intel-item {
    padding: 0 40px;
    border-right: 2px solid #3a1c63;
    text-align: center;
  }
  .intel-item:first-child { padding-left: 0; }
  .intel-item:last-child { border-right: none; }
  .intel-num {
    
    font-size: 52px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
  }
  .intel-label {
    font-size: 10px;
    text-transform: uppercase;
    opacity: 0.6;
  }

  /* ── TOPICS ACCORDION ── */
  .topics-section {
    padding: 88px 56px;
    border-bottom: 2px solid #3a1c63;
  }
  .topics-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 88px;
    align-items: start;
  }
  .accordion-list { margin-top: 48px; }
  .accordion-item {
    border-top: 1px solid #3a1c63;
  }
  .accordion-item:last-child { border-bottom: 1px solid #3a1c63; }
  .accordion-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    transition: color 0.2s;
  }
  .accordion-trigger:hover { color: var(--amber); }
  .accordion-arrow {
    font-size: 20px;
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    opacity: 0.3;
    flex-shrink: 0;
    margin-left: 16px;
  }
  .accordion-item.open .accordion-arrow { transform: rotate(45deg); opacity: 1; color: var(--amber); }
  .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.4,0,0.2,1);
  }
  .accordion-content-inner {
    padding: 0 0 24px;
    font-size: 12px;
    line-height: 1.8;
    opacity: 0.6;
  }

  .briefing-preview {
    background: #23133a;
    color: var(--paper);
    padding: 48px;
    position: relative;
    overflow: hidden;
  }
  .bp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid #3a1c63;
  }
  .bp-issue {
    font-size: 9px;
    
    text-transform: uppercase;
    color: var(--amber);
  }
  .bp-date { font-size: 10px; opacity: 0.35; }
  .bp-headline {
    
    font-size: 26px;
    line-height: 1.25;
    margin-bottom: 20px;
  }
  .bp-summary {
    font-size: 11px;
    line-height: 1.8;
    opacity: 0.5;
    margin-bottom: 32px;
    border-left: 2px solid var(--amber);
    padding-left: 16px;
  }
  .bp-tags { display: flex; gap: 8px; flex-wrap: wrap; }
  .bp-tag {
    font-size: 9px;
    
    text-transform: uppercase;
    border: 1px solid #3a1c63;
    padding: 5px 10px;
    opacity: 0.5;
  }
  .bp-cta {
    margin-top: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    
    text-transform: uppercase;
    color: var(--amber);
    cursor: pointer;
  }
  .bp-cta::after {
    content: '→';
    transition: transform 0.2s;
  }
  .bp-cta:hover::after { transform: translateX(6px); }

  /* ── SUBSCRIBE FOOTER ── */
  .subscribe-section {
    background: #1f1232;
    color: var(--paper);
    padding: 96px 56px;
    position: relative;
    overflow: hidden;
    text-align: center;
  }
  .subscribe-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(187, 42, 200, 0.12) 0%, transparent 70%);
    pointer-events: none;
  }
  .subscribe-eyebrow {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 24px;
  }
  .subscribe-headline {
    
    font-size: clamp(40px, 5vw, 72px);
    font-weight: 900;
    line-height: 1.0;
    margin-bottom: 24px;
  }
  .subscribe-headline em {
    font-style: italic;
    color: var(--amber);
  }
  .subscribe-desc {
    font-size: 12px;
    line-height: 1.75;
    opacity: 0.45;
    max-width: 480px;
    margin: 0 auto 56px;
  }
  .subscribe-form {
    display: flex;
    gap: 0;
    max-width: 520px;
    margin: 0 auto 20px;
    border: 1px solid #3a1c63;
  }
  .subscribe-input {
    flex: 1;
    background: #23133a;
    border: none;
    padding: 18px 24px;
    
    font-size: 12px;
    color: var(--paper);
    outline: none;
  }
  .subscribe-input::placeholder { opacity: 0.3; }
  .btn-subscribe {
    background: var(--amber);
    color: var(--ink);
    
    font-size: 11px;
    
    text-transform: uppercase;
    padding: 18px 28px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    white-space: nowrap;
    transition: background 0.2s;
  }
  .btn-subscribe:hover { background: var(--amber-light); }
  .subscribe-guarantee {
    font-size: 10px;
    
    text-transform: uppercase;
    opacity: 0.25;
  }
  .subscribe-guarantee span { color: var(--amber); opacity: 1; }

  /* Footer nav */
  .footer-bar {
    background: #180f26;
    border-top: 1px solid #3a1c63;
    padding: 24px 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .footer-copy {
    font-size: 10px;
    
    opacity: 0.25;
    text-transform: uppercase;
    color: var(--paper);
  }
  .footer-links { display: flex; gap: 24px; }
  .footer-links a {
    font-size: 10px;
    
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.81);
    text-decoration: none;
    transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--amber); }

  /* ── ANIMATIONS ── */
  .fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ── SUCCESS STATE ── */
  .success-msg {
    display: none;
    
    font-size: 12px;
    
    color: var(--amber);
    margin-top: 16px;
    text-transform: uppercase;
  }
  .success-msg.show { display: block; }

  @media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .benefits-grid { grid-template-columns: 1fr; }
    .benefit-card { border-right: none !important; }
    .quiz-layout { grid-template-columns: 1fr; gap: 40px; }
    .plans-grid { grid-template-columns: 1fr; }
    .plan-card { border-right: none; border-bottom: 2px solid #3a1c63; }
    .intel-strip { grid-template-columns: 1fr 1fr; gap: 32px; }
    .intel-item { border: none; padding: 0; }
    .topics-layout { grid-template-columns: 1fr; }
    .masthead { padding: 16px 24px; }
    .masthead-nav { display: none; }
    .benefits-outer, .quiz-section, .plans-section, .topics-section, .intel-strip, .subscribe-section { padding: 56px 24px; }
    .footer-bar { padding: 20px 24px; flex-direction: column; gap: 12px; }
    .hero-left { padding: 48px 24px; }
  }

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