/* ---------- Hero ---------- */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; overflow: hidden; padding: 120px 0 72px; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: saturate(0.9) brightness(0.85); }
.hero-scrim { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(12,13,15,0.78) 0%, rgba(12,13,15,0.48) 45%, rgba(12,13,15,0.16) 100%),
              linear-gradient(180deg, rgba(12,13,15,0.28), rgba(12,13,15,0.8)); }
/* Hero content mirrors the navbar geometry so its left edge lines up with the
   header brand (navbar is width calc(100%-32px), max-width var(--maxw), centered;
   nav content is inset 18px). */
.hero-content { width: calc(100% - 32px); max-width: var(--maxw); margin: 0 auto; padding: 0 28px 0 18px; }
.hero-title { font-size: clamp(38px, 5.6vw, 62px); font-weight: 500; letter-spacing: -0.022em; margin: 18px 0 0; max-width: 700px; line-height: 1.08; }
.hero-title .u {
  font-style: italic;
  font-size: 1.2em;
  letter-spacing: -0.01em;
  color: #fbfaf8;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2.5px;
  text-underline-offset: 8px;
  text-decoration-skip-ink: none;
}
.hero-sub { font-size: clamp(16px, 1.7vw, 19px); color: var(--text-dim); max-width: 560px; margin: 22px 0 32px; line-height: 1.7; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Ticker tape band ---------- */
.tape-band { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--bg-2); }
.tape-band .tradingview-widget-container { height: 46px; }
/* hide TradingView's copyright row inside the tape for a cleaner band */
.tape-band .tradingview-widget-copyright { display: none !important; }

/* ---------- Member strip ---------- */
.member-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .member-grid { grid-template-columns: 1fr; } }
.challenge-card { border-color: rgba(201,162,94,0.25); }
.challenge-buttons { display: flex; gap: 10px; }
.challenge-btn { flex: 1; padding: 15px; border-radius: var(--radius-sm); border: 1px solid var(--border-2); background: var(--bg-2); cursor: pointer; font-size: 15px; font-weight: 560; color: var(--text); transition: border-color .18s, background .18s, color .18s; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font); }
.challenge-btn svg { width: 16px; height: 16px; }
.challenge-btn.up:hover, .challenge-btn.up.sel { border-color: var(--bull); color: var(--bull); background: rgba(90,169,126,0.08); }
.challenge-btn.down:hover, .challenge-btn.down.sel { border-color: var(--bear); color: var(--bear); background: rgba(207,91,80,0.08); }
.challenge-result { padding: 16px; border-radius: var(--radius-sm); background: var(--bg-2); border: 1px solid var(--border); }
.challenge-result .verdict { font-family: var(--serif); font-size: 19px; }

/* news cards */
.news-card { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); transition: border-color .2s; }
.news-card:hover { border-color: var(--border-2); }
.news-card img { width: 100%; height: 132px; object-fit: cover; background: var(--surface-2); display: block; }
.news-card .nc-body { padding: 15px 16px; flex: 1; display: flex; flex-direction: column; }
.news-card h4 { font-size: 14.5px; margin-bottom: 7px; line-height: 1.35; color: var(--text); flex: 1; }
.news-card .src { font-size: 11.5px; color: var(--text-faint); font-family: var(--mono); }
/* image-less cards: a slim accent bar keeps the grid visually even */
.news-card.no-img { border-left: 2px solid rgba(88,168,125,0.4); }
.news-card .nc-logo { position: relative; height: 132px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--surface-2); border-bottom: 1px solid var(--border); }
/* blurred, scaled copy that fills the whole area with the brand's colors */
.news-card .nc-logo .nc-logo-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.6); filter: blur(22px) saturate(1.4) brightness(0.7); }
.news-card .nc-logo::after { content: ''; position: absolute; inset: 0; background: rgba(10,12,16,0.35); }
/* crisp logo centered on top */
.news-card .nc-logo .nc-logo-fg { position: relative; z-index: 1; width: auto; height: auto; max-height: 66px; max-width: 70%; border-radius: 14px; background: #fff; padding: 9px; box-shadow: 0 4px 16px rgba(0,0,0,0.35); }

/* ---------- Stock heatmap ---------- */
.heatmap-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); height: 520px; }
.heatmap-wrap .tradingview-widget-container,
.heatmap-wrap .tradingview-widget-container__widget { height: 100%; width: 100%; }
.heatmap-section .tradingview-widget-copyright { display: none !important; }
@media (max-width: 620px) { .heatmap-wrap { height: 430px; } }

/* ---------- Proof strip ---------- */
.proof { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { padding: 46px 34px; border-right: 1px solid var(--rule); }
.proof-grid > div:first-child { padding-left: 0; }
.proof-grid > div:last-child { padding-right: 0; border-right: none; }
.proof-num { font-family: var(--serif); font-size: 44px; font-weight: 500; line-height: 1; color: #f4f3f1; }
.proof-label { color: var(--text-dim); font-size: 13.5px; margin-top: 14px; line-height: 1.55; max-width: 210px; }
@media (max-width: 820px) {
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid > div { padding: 32px 0 32px 28px; border-right: none; }
  .proof-grid > div:nth-child(odd) { padding-left: 0; padding-right: 28px; border-right: 1px solid var(--rule); }
  .proof-grid > div:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div, .proof-grid > div:nth-child(odd) { padding: 28px 0; border-right: none; border-top: none; border-bottom: 1px solid var(--rule); }
  .proof-grid > div:last-child { border-bottom: none; }
}

/* ---------- Keyword marquee ---------- */
.marquee { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 18px 0; overflow: hidden; background: var(--bg-2); }
.marquee-track { display: flex; gap: 0; align-items: center; white-space: nowrap; animation: marquee 18s linear infinite; }
.marquee-track span { font-family: var(--serif); font-size: 22px; font-weight: 500; color: var(--text); opacity: 0.75; letter-spacing: 0.01em; padding: 0 22px; }
.marquee-track i { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); opacity: 0.7; flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section heads ---------- */
.sec-head { max-width: 680px; margin-bottom: 48px; }
.sec-head h2 { margin: 10px 0 14px; }

/* ---------- Feature list (editorial rows) ---------- */
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--rule); }
.feature { display: flex; gap: 18px; padding: 36px 36px 36px 0; border-bottom: 1px solid var(--rule); }
.feature:nth-child(odd) { padding-right: 48px; border-right: 1px solid var(--rule); }
.feature:nth-child(even) { padding-left: 36px; }
@media (max-width: 820px) {
  .feature-list { grid-template-columns: 1fr; }
  .feature, .feature:nth-child(odd), .feature:nth-child(even) { padding: 30px 0; border-right: none; }
}
.feat-ico { flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border-2); display: grid; place-items: center; color: var(--accent); }
.feature h3 { margin-bottom: 10px; }
.feature p { font-size: 14.5px; line-height: 1.7; margin-bottom: 12px; }

/* ---------- Two column ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- How it works (steps) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--rule); }
.step { padding: 34px 30px; border-right: 1px solid var(--rule); }
.step:first-child { padding-left: 0; }
.step:last-child { border-right: none; padding-right: 0; }
.step-n { font-size: 13px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 18px; }
.step h4 { font-size: 16px; margin-bottom: 10px; }
.step p { font-size: 13.5px; line-height: 1.7; }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .step { padding: 30px 0 30px 30px; border-right: none; }
  .step:nth-child(odd) { padding-left: 0; padding-right: 30px; border-right: 1px solid var(--rule); }
  .step:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .step, .step:nth-child(odd) { padding: 26px 0; border-right: none; border-top: none; }
  .step:nth-child(n+2) { border-top: 1px solid var(--rule); }
}

/* ---------- Curriculum at a glance ---------- */
.sec-head-row { align-items: flex-end; margin-bottom: 40px; }
.sec-head-row h2 { margin-top: 8px; }
.unit-index { border-top: 1px solid var(--rule); }
.unit-line { display: flex; align-items: center; gap: 20px; padding: 18px 4px; border-bottom: 1px solid var(--rule); transition: background .18s, padding-left .18s; }
.unit-line:hover { background: rgba(255,255,255,0.02); padding-left: 12px; }
.ul-num { font-size: 13px; color: var(--text-faint); width: 28px; flex-shrink: 0; }
.ul-name { flex: 1; font-family: var(--serif); font-size: 19px; color: var(--text); }
.unit-line:hover .ul-name { color: var(--accent); }
.ul-count { font-size: 12px; color: var(--text-faint); }
@media (max-width: 520px) { .ul-name { font-size: 16px; } .ul-count { display: none; } }

/* ---------- Research desk list ---------- */
.desk-list { border-top: 1px solid var(--rule); }
.desk-item { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.di-k { font-size: 13px; color: var(--accent); letter-spacing: 0.04em; }
.di-v { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
@media (max-width: 520px) { .desk-item { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--rule); max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-item summary { list-style: none; cursor: pointer; padding: 22px 0; font-family: var(--serif); font-size: 19px; color: var(--text); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-family: var(--mono); font-size: 22px; color: var(--text-faint); font-weight: 400; transition: transform .2s; }
.faq-item[open] summary::after { content: '−'; color: var(--accent); }
.faq-item p { font-size: 14.5px; line-height: 1.75; color: var(--text-dim); padding: 0 0 22px; max-width: 680px; }

/* ---------- CTA band ---------- */
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 44px; border: 1px solid var(--border-2); border-radius: var(--radius-lg); background: var(--surface); flex-wrap: wrap; }
.cta-band h2 { margin: 0; }
@media (max-width: 560px) { .cta-band { padding: 30px 24px; gap: 18px; } }

/* ===================== Landing redesign ===================== */
/* Learning-journey strip (replaces the number strip) */
.journey-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.journey-grid .jrow { padding: 40px 34px; border-right: 1px solid var(--rule); }
.journey-grid .jrow:first-child { padding-left: 0; }
.journey-grid .jrow:last-child { padding-right: 0; border-right: none; }
.journey-grid .j-k { font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.05; color: #f4f3f1; }
.journey-grid .j-v { color: var(--text-dim); font-size: 13.5px; margin-top: 13px; line-height: 1.55; max-width: 220px; }
@media (max-width: 860px) {
  .journey-grid { grid-template-columns: 1fr 1fr; }
  .journey-grid .jrow { padding: 30px 0 30px 26px; border-right: none; }
  .journey-grid .jrow:nth-child(odd) { padding-left: 0; padding-right: 26px; border-right: 1px solid var(--rule); }
  .journey-grid .jrow:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .journey-grid { grid-template-columns: 1fr; }
  .journey-grid .jrow, .journey-grid .jrow:nth-child(odd) { padding: 22px 0; border-right: none; border-top: none; border-bottom: 1px solid var(--rule); }
  .journey-grid .jrow:last-child { border-bottom: none; }
}

/* Interactive lesson preview */
.lesson-preview { padding: 0; overflow: hidden; }
.lesson-preview .lp-body { padding: 28px 32px 10px; }
.lesson-preview .lp-body > p { font-size: 16px; line-height: 1.8; color: var(--text); margin: 0 0 20px; }
.lp-example { border-left: 3px solid var(--accent); background: rgba(88,168,125,0.06); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 0 0 24px; }
.lp-example .lp-example-k { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.lp-example p { margin: 0; font-size: 14.5px; line-height: 1.7; color: var(--text-dim); }
.lp-quiz .lp-q { font-weight: 600; font-size: 15.5px; margin-bottom: 14px; color: var(--text); }
.lp-opt { display: block; width: 100%; text-align: left; padding: 13px 16px; margin-bottom: 9px; border: 1px solid var(--border-2); border-radius: 10px; background: var(--bg-2); color: var(--text); font-size: 14.5px; line-height: 1.5; cursor: pointer; transition: border-color .18s, background .18s; font-family: var(--font); }
.lp-opt:hover:not(:disabled) { border-color: var(--accent); }
.lp-opt:disabled { cursor: default; }
.lp-opt.right { border-color: var(--bull); background: rgba(90,169,126,0.14); }
.lp-opt.wrong { border-color: var(--bear); background: rgba(207,91,80,0.12); }
.lp-feedback { margin-top: 8px; font-size: 14px; line-height: 1.65; padding: 12px 14px; border-radius: 10px; color: var(--text); }
.lp-feedback.is-right { background: rgba(90,169,126,0.12); }
.lp-feedback.is-wrong { background: rgba(207,91,80,0.10); }
.lp-cta { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 20px 32px; border-top: 1px solid var(--rule); background: var(--bg-2); margin-top: 18px; }
.lp-cta-note { color: var(--text-dim); font-size: 14px; max-width: 470px; }

/* Inside a lesson (4 parts) */
.lesson-parts .lp-ico { font-size: 13px; color: var(--accent); letter-spacing: 0.08em; margin-bottom: 12px; }
.lesson-parts h4 { font-size: 15.5px; margin-bottom: 8px; }
.lesson-parts p { color: var(--text-dim); font-size: 13.5px; line-height: 1.6; }

/* More than a curriculum (feature cards) */
.more-grid h4 { font-size: 16px; margin-bottom: 9px; }
.more-grid p { color: var(--text-dim); font-size: 13.5px; line-height: 1.62; }

/* Learn it, then use it */
.use-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 12px; }
.use-flow .use-arrow { color: var(--accent); font-size: 22px; display: flex; align-items: center; justify-content: center; }
.use-step .use-n { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.use-step h4 { font-size: 16px; margin-bottom: 8px; }
.use-step p { color: var(--text-dim); font-size: 13.5px; line-height: 1.6; }
@media (max-width: 820px) {
  .use-flow { grid-template-columns: 1fr; }
  .use-flow .use-arrow { transform: rotate(90deg); }
}

/* Reassurance list */
.reassure { list-style: none; margin: 0; padding: 0; }
.reassure li { position: relative; padding-left: 26px; margin-bottom: 12px; color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.reassure li::before { content: ''; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }