/* ==========================================================================
   Home page — "trading desk" design system.
   Loaded only on Home/Index via @section Styles; the dark page background
   defined here does not leak onto Identity/light Bootstrap pages, which
   only load site.css.
========================================================================== */

/* Color/typography tokens now live in theme.css (shared with the challenge
   pages) — Index.cshtml links theme.css before this file. */

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-ui);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
}

main {
  display: block;
  overflow-x: hidden;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin: 0 0 0.9rem;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bullish);
  box-shadow: 0 0 0 3px var(--bullish-soft);
}

.accent-text {
  color: var(--accent-gold);
  font-style: italic;
}

/* ---------------------------------- hero --------------------------------- */

.hero {
  position: relative;
  padding: 5.5rem 1.5rem 5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(214, 182, 107, 0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(63, 174, 127, 0.06), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3.5rem;
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.15;
  font-weight: 500;
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 46ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 200ms var(--ease), background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.btn-primary {
  background: var(--accent-gold);
  color: #1a1305;
  border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(214, 182, 107, 0.22);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.3);
}

.trust-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  margin: 0;
  padding: 0;
}

.trust-row li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.trust-row li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--bullish);
  font-weight: 700;
}

/* hero market-terminal visual */

.hero-visual {
  display: flex;
  justify-content: center;
}

.terminal-panel {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: linear-gradient(180deg, var(--surface), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.terminal-topbar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.terminal-symbol {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.terminal-chart {
  display: block;
  width: 100%;
  height: auto;
}

.terminal-grid line {
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 1;
}

.terminal-tp-line,
.terminal-sl-line {
  stroke-dasharray: 5 5;
  stroke-width: 1;
}

.terminal-tp-line {
  stroke: var(--bullish);
  opacity: 0.55;
}

.terminal-sl-line {
  stroke: var(--bearish);
  opacity: 0.55;
}

.candle-wick-bull,
.candle-wick-bear {
  stroke-width: 1.4;
}

.candle-wick-bull {
  stroke: var(--bullish);
}

.candle-wick-bear {
  stroke: var(--bearish);
}

.candle-body-bull {
  fill: var(--bullish);
}

.candle-body-bear {
  fill: var(--bearish);
}

.terminal-marker-buy {
  fill: var(--bullish);
  stroke: var(--bg-primary);
  stroke-width: 2;
}

.terminal-marker-sell {
  fill: var(--bearish);
  stroke: var(--bg-primary);
  stroke-width: 2;
}

.terminal-callout {
  margin: 0.9rem 1rem 1.1rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ---------------------------- how it works ------------------------------- */

.how-it-works {
  padding: 4.5rem 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.section-title-center {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 500;
  margin: 0 0 3rem;
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.steps-row::before {
  content: "";
  position: absolute;
  top: 1.6rem;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

.step-card {
  position: relative;
  text-align: center;
  padding: 0 1rem;
}

.step-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-gold);
  background: var(--bg-primary);
  padding: 0 0.4rem;
  margin-bottom: 0.75rem;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--accent-gold);
  background: var(--surface);
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.step-body {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ---------------------------- challenge library -------------------------- */

.challenge-library {
  padding: 4.5rem 1.5rem 5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.75rem;
}

.section-heading .eyebrow {
  justify-content: center;
  width: 100%;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 500;
  margin: 0 0 0.75rem;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin: 0;
}

.library-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.filter-pills {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.6rem;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.filter-pill {
  flex: 0 0 auto;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

.filter-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.filter-pill.is-active {
  background: var(--accent-gold-soft);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.search-field {
  position: relative;
  flex: 0 0 auto;
  width: 240px;
  max-width: 100%;
}

.search-field svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-faint);
  pointer-events: none;
}

.search-field input {
  width: 100%;
  padding: 0.55rem 0.85rem 0.55rem 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  font-size: 0.88rem;
}

.search-field input::placeholder {
  color: var(--text-faint);
}

.search-field input:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.no-results {
  text-align: center;
  color: var(--text-secondary);
  padding: 3rem 0;
}

.challenge-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.15rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 220ms var(--ease), border-color 220ms ease, background-color 220ms ease, box-shadow 220ms ease;
  opacity: 0;
  transform: translateY(14px);
  animation: cardIn 420ms var(--ease) forwards;
}

@keyframes cardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.challenge-card:hover {
  transform: translateY(-4px);
  background: var(--surface-hover);
  border-color: var(--border-strong);
  box-shadow: 0 16px 32px -16px rgba(0, 0, 0, 0.5);
}

.challenge-card:hover .mini-chart-line {
  stroke-dashoffset: 0;
}

.challenge-card:hover .cta-arrow {
  transform: translateX(3px);
}

.challenge-card.is-hidden {
  display: none;
}

.challenge-grid .challenge-card:nth-child(n) {
  animation-delay: calc(var(--card-index, 0) * 35ms);
}

.challenge-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pill-category {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.pill-direction {
  border-radius: 999px;
}

.pill-bullish {
  background: var(--bullish-soft);
  color: var(--bullish);
}

.pill-bearish {
  background: var(--bearish-soft);
  color: var(--bearish);
}

.pill-neutral {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
}

.pill-difficulty {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-faint);
  text-transform: none;
  font-weight: 500;
  letter-spacing: 0;
  font-size: 0.75rem;
}

.mini-chart {
  height: 64px;
  margin-bottom: 0.9rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.mini-chart svg {
  width: 100%;
  height: 100%;
}

.mini-chart-guide {
  fill: none;
  stroke: var(--text-faint);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  opacity: 0.6;
}

.mini-chart-line {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 220;
  stroke-dashoffset: 40;
  transition: stroke-dashoffset 500ms var(--ease);
}

.mini-chart-bullish .mini-chart-line {
  stroke: var(--bullish);
}

.mini-chart-bearish .mini-chart-line {
  stroke: var(--bearish);
}

.mini-chart-neutral .mini-chart-line {
  stroke: var(--accent-gold);
}

.challenge-card-title {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.challenge-card-desc {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0 0 1.1rem;
  flex-grow: 1;
}

.challenge-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
}

.challenge-card-cta {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.cta-arrow {
  display: inline-block;
  transition: transform 200ms var(--ease);
}

/* ------------------------------ feature strip ---------------------------- */

.feature-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 1.5rem;
}

.feature-strip-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 500;
  line-height: 1.3;
  margin: 0 0 1rem;
}

.feature-sub {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
  margin: 0 0 2.5rem;
}

.terminal-widgets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.terminal-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.widget-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.widget-glyph {
  font-size: 1.1rem;
  color: var(--accent-gold);
}

.widget-glyph-bull {
  color: var(--bullish);
}

.widget-glyph-bear {
  color: var(--bearish);
}

/* --------------------------------- footer -------------------------------- */

body .tc-footer {
  margin-top: 0;
}

/* ------------------------------ responsive -------------------------------- */

@media (max-width: 1024px) {
  .challenge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    gap: 2.5rem;
  }
}

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: 2;
  }

  .hero-copy {
    order: 1;
  }

  .steps-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .steps-row::before {
    display: none;
  }

  .terminal-widgets {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3.5rem 1.25rem 3rem;
  }

  .challenge-grid {
    grid-template-columns: 1fr;
  }

  .library-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-field {
    width: 100%;
  }

  .trust-row {
    gap: 0.75rem 1.25rem;
  }
}

/* ------------------------------ motion & focus ----------------------------- */

@media (prefers-reduced-motion: reduce) {
  .challenge-card,
  .btn-primary,
  .btn-secondary,
  .mini-chart-line,
  .cta-arrow {
    animation: none !important;
    transition: none !important;
  }

  .challenge-card {
    opacity: 1;
    transform: none;
  }
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* ---------------------------- learning paths ---------------------------- */

.learning-paths {
  padding: 1rem 1.5rem 5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.course-list {
  display: grid;
  gap: 1.25rem;
}

.course-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem 2.25rem;
  text-decoration: none;
  color: var(--text-primary);
  background: linear-gradient(135deg, rgba(214, 182, 107, 0.07), transparent 55%), var(--surface);
  border: 1px solid rgba(214, 182, 107, 0.28);
  border-radius: 14px;
  transition: transform 220ms var(--ease), border-color 220ms ease, box-shadow 220ms ease;
}

.course-card:hover {
  transform: translateY(-4px);
  border-color: rgba(214, 182, 107, 0.55);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}

.course-card:hover .cta-arrow { transform: translateX(3px); }

.course-card-kicker {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--accent-gold);
}

.course-card-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.course-card-desc {
  margin: 0 0 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 52ch;
}

.course-card-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
}

.course-card-meta li {
  font: 500 0.75rem var(--font-mono);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

.course-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.course-card-visual {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem;
}

.course-card-visual svg { display: block; width: 100%; height: auto; }

.cc-zone { fill: rgba(63, 174, 127, 0.16); }
.cc-zone-line { stroke: var(--bullish); stroke-dasharray: 4 4; opacity: 0.7; }
.cc-c line { stroke: var(--bullish); stroke-width: 1.5; }
.cc-c rect { fill: var(--bullish); }
.cc-c .cc-bear { fill: var(--bearish); }
.cc-label { fill: var(--bullish); font: 700 10px var(--font-mono); letter-spacing: 0.12em; }

@media (max-width: 860px) {
  .course-card { grid-template-columns: 1fr; padding: 1.5rem; }
}
@media (max-width: 640px) {
  .learning-paths { padding: 0.5rem 1.25rem 3.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .course-card { transition: none; }
}