:root {
  --bg: #071018;
  --bg-elevated: #0c1620;
  --bg-panel: #0f1b27;
  --line: rgba(140, 168, 190, 0.16);
  --text: #e8f0f5;
  --muted: #8fa3b5;
  --mint: #3ddc97;
  --mint-dim: rgba(61, 220, 151, 0.14);
  --coral: #ff6b6b;
  --coral-dim: rgba(255, 107, 107, 0.14);
  --amber: #f0b429;
  --ink: #031018;
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 4px;
  --max: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(61, 220, 151, 0.12), transparent 55%),
    radial-gradient(900px 500px at -10% 30%, rgba(48, 120, 180, 0.18), transparent 50%),
    linear-gradient(180deg, #050c12 0%, var(--bg) 40%, #08131c 100%);
  line-height: 1.55;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 16, 24, 0.78);
  border-bottom: 1px solid var(--line);
}

.ticker {
  display: flex;
  gap: 2rem;
  overflow: hidden;
  white-space: nowrap;
  padding: 0.45rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 16, 24, 0.55);
}

.ticker-track {
  display: inline-flex;
  gap: 2rem;
  animation: marquee 42s linear infinite;
  min-width: max-content;
  padding-left: 2rem;
}

.ticker span.up {
  color: var(--mint);
}

.ticker span.down {
  color: var(--coral);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.nav {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  width: 0.85rem;
  height: 0.85rem;
  background: var(--mint);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: pulse-mark 2.8s ease-in-out infinite;
}

@keyframes pulse-mark {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.86);
    opacity: 0.7;
  }
}

.brand-name,
.brand-hero {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-name {
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(61, 220, 151, 0.45);
}

.btn-primary {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink);
  font-weight: 700;
}

.btn-primary:hover {
  background: #63e7ae;
  border-color: #63e7ae;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
}

.btn-lg {
  padding: 0.9rem 1.25rem;
}

.btn.active,
.btn[aria-pressed="true"] {
  background: var(--mint-dim);
  border-color: rgba(61, 220, 151, 0.5);
  color: var(--mint);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-chart {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 12, 18, 0.15) 0%, rgba(5, 12, 18, 0.42) 45%, rgba(5, 12, 18, 0.92) 100%),
    linear-gradient(90deg, rgba(5, 12, 18, 0.85) 0%, rgba(5, 12, 18, 0.35) 55%, rgba(5, 12, 18, 0.55) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 5.5rem;
  animation: rise-in 0.9s ease both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-hero {
  margin: 0 0 0.75rem;
  font-size: clamp(3.4rem, 11vw, 7.5rem);
  line-height: 0.9;
  color: var(--text);
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 5.5rem 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-head h2,
.cta-panel h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
}

.section-head p,
.cta-panel p {
  margin: 0;
  color: var(--muted);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.intro-block {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.intro-block h3 {
  margin: 0.85rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.intro-block p {
  margin: 0;
  color: var(--muted);
}

.disclaimer {
  margin: 2rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--amber);
  font-size: 0.92rem;
}

.markets-table {
  border: 1px solid var(--line);
  background: rgba(15, 27, 39, 0.55);
}

.market-row {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  width: 100%;
  text-align: left;
  background: transparent;
  color: inherit;
  transition: background 0.2s ease;
}

.market-row:last-child {
  border-bottom: 0;
}

.market-row:hover,
.market-row:focus-visible {
  background: rgba(61, 220, 151, 0.05);
  outline: none;
}

.market-pair {
  font-family: var(--font-display);
  font-weight: 700;
}

.market-pair small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
}

.market-row .up {
  color: var(--mint);
  font-family: var(--font-mono);
}

.market-row .level,
.market-row .time {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.terminal-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  max-width: none;
}

.portfolio-chip {
  min-width: 8rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--bg-panel);
}

.portfolio-chip strong {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--mint);
}

.terminal {
  display: grid;
  grid-template-columns: 270px 1fr 280px;
  gap: 0.75rem;
  min-height: 720px;
}

.orderbook,
.chart-panel,
.trade-panel {
  border: 1px solid var(--line);
  background: rgba(15, 27, 39, 0.72);
  min-height: 100%;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.pair-meta {
  color: var(--mint);
}

.orderbook-head,
.order-row {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 0.8fr;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  font-size: 0.82rem;
}

.orderbook-head {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--line);
}

.order-row {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(140, 168, 190, 0.08);
  background: transparent;
  color: inherit;
  text-align: left;
  transition: background 0.15s ease;
}

.order-row:hover,
.order-row.active {
  background: var(--mint-dim);
}

.order-row.active {
  box-shadow: inset 2px 0 0 var(--mint);
}

.order-row .name {
  font-weight: 600;
}

.order-row .lvl {
  color: var(--muted);
  font-family: var(--font-mono);
}

.order-row .status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.order-row .status.done {
  color: var(--mint);
}

.order-row .status.open {
  color: var(--amber);
}

.chart-panel {
  display: flex;
  flex-direction: column;
}

.lesson {
  flex: 1;
  padding: 1.35rem 1.4rem 1rem;
  overflow: auto;
  animation: lesson-fade 0.35s ease;
}

@keyframes lesson-fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lesson h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
}

.lesson p {
  margin: 0 0 0.95rem;
  color: #c5d3de;
}

.lesson ul {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  color: #c5d3de;
}

.lesson li {
  margin-bottom: 0.45rem;
}

.lesson .callout {
  margin: 1.1rem 0;
  padding: 0.95rem 1rem;
  border-left: 2px solid var(--mint);
  background: rgba(61, 220, 151, 0.06);
}

.lesson .warn {
  border-left-color: var(--coral);
  background: var(--coral-dim);
}

.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--line);
}

.trade-panel {
  display: flex;
  flex-direction: column;
}

.key-points {
  margin: 0;
  padding: 1rem;
  list-style: none;
  flex: 1;
}

.key-points li {
  position: relative;
  padding: 0.7rem 0 0.7rem 0.9rem;
  border-bottom: 1px solid rgba(140, 168, 190, 0.1);
  color: #c5d3de;
  font-size: 0.92rem;
}

.key-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.35rem;
  height: 0.35rem;
  background: var(--mint);
}

.risk-box {
  margin: 0 1rem 1rem;
  padding: 0.95rem;
  border: 1px solid rgba(240, 180, 41, 0.28);
  background: rgba(240, 180, 41, 0.06);
}

.risk-box p {
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
  color: #e6d3a2;
}

.quiz {
  margin: 0 1rem 1rem;
  padding: 0.95rem;
  border: 1px solid var(--line);
  background: rgba(3, 16, 24, 0.35);
}

.quiz h4 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1rem;
}

.quiz-options {
  display: grid;
  gap: 0.45rem;
}

.quiz-options button {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: var(--radius);
}

.quiz-options button:hover {
  border-color: rgba(61, 220, 151, 0.45);
}

.quiz-options button.correct {
  border-color: var(--mint);
  background: var(--mint-dim);
  color: var(--mint);
}

.quiz-options button.wrong {
  border-color: var(--coral);
  background: var(--coral-dim);
  color: var(--coral);
}

.quiz-feedback {
  margin: 0.7rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

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

.plan-card {
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

.plan-card h3 {
  margin: 0.7rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.plan-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-section {
  padding-top: 2rem;
}

.cta-panel {
  padding: 3.5rem 0 1rem;
  border-top: 1px solid var(--line);
  text-align: left;
}

.cta-brand {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin: 0 0 0.5rem;
}

.cta-panel .btn {
  margin-top: 1.4rem;
}

.footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer .brand-name {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--text);
}

.footer p {
  margin: 0;
  max-width: 34rem;
}

@media (max-width: 1100px) {
  .terminal {
    grid-template-columns: 1fr;
  }

  .orderbook,
  .trade-panel {
    min-height: auto;
  }

  .intro-grid,
  .plan-grid {
    grid-template-columns: 1fr 1fr;
  }

  .market-row {
    grid-template-columns: 1.2fr 0.7fr 0.8fr auto;
  }

  .market-row .time {
    display: none;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .hero-content {
    padding-bottom: 3.5rem;
  }

  .intro-grid,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .market-row {
    grid-template-columns: 1fr auto;
    gap: 0.35rem 1rem;
  }

  .market-row .level,
  .market-row .chg {
    display: none;
  }

  .terminal-head {
    flex-direction: column;
    align-items: stretch;
  }

  .lesson-actions {
    flex-direction: column;
  }

  .footer {
    flex-direction: column;
  }
}