:root {
  --bg: #05070d;
  --bg2: #090f1a;
  --panel: rgba(12, 18, 31, 0.92);
  --panel2: rgba(16, 25, 42, 0.94);
  --line: rgba(255,255,255,0.12);
  --text: #f4f7fb;
  --muted: #8e9bb0;
  --green: #20f7c4;
  --red: #ff5370;
  --gold: #d7a63c;
  --blue: #4f8cff;
  --shadow: 0 24px 80px rgba(0,0,0,0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 5%, rgba(32,247,196,0.14), transparent 28%),
    radial-gradient(circle at 78% 10%, rgba(215,166,60,0.12), transparent 28%),
    linear-gradient(180deg, #04060b 0%, #07101d 50%, #04060b 100%);
  min-height: 100vh;
}

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

button,
input,
select {
  font: inherit;
}

.site-shell {
  width: 100%;
  overflow: hidden;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: min(1480px, calc(100% - 32px));
  margin: 16px auto 0;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: rgba(5, 7, 13, 0.82);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--green), var(--gold));
  color: #061017;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
}

.logo-text {
  display: grid;
  line-height: 1;
}

.logo-text strong {
  font-size: 18px;
  letter-spacing: 0.04em;
}

.logo-text em {
  font-style: normal;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 12px 14px;
  color: #cbd4e3;
  font-size: 14px;
  border: 1px solid transparent;
}

.nav a:hover {
  border-color: var(--line);
  background: rgba(255,255,255,0.05);
}

.nav-login {
  color: var(--green) !important;
}

.nav-register {
  background: linear-gradient(135deg, rgba(32,247,196,0.18), rgba(215,166,60,0.18));
  border-color: rgba(32,247,196,0.28) !important;
}

.burger {
  display: none;
  width: 46px;
  height: 42px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  padding: 9px;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
}

.section,
.hero,
.footer,
.risk-section {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 100px);
  padding: 84px 0 64px;
}

.section-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 12px;
  font-weight: 800;
  margin: 0 0 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(42px, 6vw, 84px);
  line-height: 0.96;
  letter-spacing: -0.06em;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1;
  letter-spacing: -0.045em;
}

h3 {
  font-size: 22px;
  letter-spacing: -0.02em;
}

.hero-lead,
.section-head p,
.split-head > p,
.risk-section p {
  color: #b0bbcc;
  line-height: 1.75;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.btn {
  min-height: 54px;
  padding: 16px 22px;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  background: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--gold));
  color: #061017;
  border: none;
  font-weight: 900;
}

.btn-secondary {
  background: rgba(255,255,255,0.04);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
}

.hero-stats div {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.hero-stats div:last-child {
  border-right: 0;
}

.hero-stats strong {
  display: block;
  font-size: 24px;
  color: var(--text);
}

.hero-stats span {
  color: var(--muted);
  font-size: 13px;
}

.terminal-card,
.feature-card,
.quote-card,
.market-panel,
.market-list article,
.advantage-card,
.dash-card,
.auth-card,
.faq-list details,
.risk-section {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), rgba(8, 12, 22, 0.94));
  box-shadow: var(--shadow);
}

.terminal-card {
  position: relative;
  padding: 18px;
  overflow: hidden;
}

.terminal-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, rgba(32,247,196,0.18), transparent 38%, rgba(215,166,60,0.12));
  pointer-events: none;
}

.terminal-top,
.terminal-bottom {
  position: relative;
  z-index: 2;
}

.terminal-top {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.terminal-top span {
  width: 10px;
  height: 10px;
  background: var(--line);
}

.terminal-top b {
  margin-left: auto;
  color: var(--green);
}

.main-chart {
  width: 100%;
  min-height: 320px;
  position: relative;
  z-index: 1;
}

.grid-lines path {
  stroke: rgba(255,255,255,0.08);
  stroke-width: 1;
}

.chart-area {
  fill: url(#chartGlow);
  opacity: 0.18;
}

.chart-line {
  fill: none;
  stroke: var(--green);
  stroke-width: 5;
  filter: url(#softGlow);
}

.candles line {
  stroke: rgba(255,255,255,0.45);
  stroke-width: 2;
}

.candles rect {
  fill: var(--green);
}

.candles rect.red {
  fill: var(--red);
}

.falcon-lines path {
  fill: none;
  stroke: var(--gold);
  stroke-width: 3;
  opacity: 0.75;
}

.terminal-bottom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: 12px;
}

.terminal-bottom div {
  background: rgba(5,7,13,0.92);
  padding: 16px;
}

.terminal-bottom span,
.dash-card span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
}

.terminal-bottom strong,
.dash-card strong {
  font-size: 22px;
}

.green {
  color: var(--green) !important;
}

.red {
  color: var(--red) !important;
}

.gold {
  color: var(--gold) !important;
}

.section {
  padding: 72px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.split-head {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 30px;
  align-items: end;
}

.feature-grid,
.advantage-grid,
.quote-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.advantage-card,
.quote-card,
.dash-card,
.auth-card {
  padding: 24px;
}

.feature-icon,
.advantage-card strong {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 34px;
  color: #061017;
  background: var(--green);
  font-weight: 900;
  margin-bottom: 18px;
  clip-path: polygon(0 0, 100% 0, 84% 100%, 0 100%);
}

.feature-card p,
.advantage-card p,
.quote-card p,
.market-list p,
.dash-card p,
.auth-card label,
.faq-list p,
.footer p {
  color: var(--muted);
  line-height: 1.65;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tab {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.04);
  padding: 13px 18px;
  cursor: pointer;
}

.tab.active {
  background: var(--green);
  color: #061017;
  font-weight: 900;
  border-color: transparent;
}

.quote-card {
  min-height: 190px;
  position: relative;
  overflow: hidden;
}

.quote-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.quote-top b {
  font-size: 20px;
}

.quote-top span {
  color: var(--muted);
  font-size: 13px;
}

.quote-price {
  font-size: 28px;
  font-weight: 900;
  margin: 16px 0 8px;
}

.mini-svg {
  width: 100%;
  height: 58px;
}

.mini-svg path {
  fill: none;
  stroke-width: 4;
  stroke: var(--green);
}

.quote-card.negative .mini-svg path {
  stroke: var(--red);
}

.market-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.big-panel {
  padding: 26px;
}

.large-candle-chart {
  height: 360px;
  display: flex;
  align-items: end;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 100% 72px, 72px 100%;
}

.large-candle-chart span {
  flex: 1;
  min-width: 16px;
  background: linear-gradient(180deg, var(--green), rgba(32,247,196,0.25));
  border: 1px solid rgba(32,247,196,0.6);
}

.large-candle-chart span.down {
  background: linear-gradient(180deg, var(--red), rgba(255,83,112,0.25));
  border-color: rgba(255,83,112,0.6);
}

.market-list {
  display: grid;
  gap: 16px;
}

.market-list article {
  padding: 22px;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.2fr repeat(2, 0.9fr);
  gap: 16px;
}

.balance-card {
  grid-row: span 2;
}

.dash-card.wide {
  grid-column: span 1;
}

.dash-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.dash-actions button {
  flex: 1;
  min-height: 44px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--line);
}

.portfolio-bars label,
.trade-list p {
  display: flex;
  justify-content: space-between;
  margin: 12px 0 8px;
  color: #cbd4e3;
}

.portfolio-bars i {
  display: block;
  height: 8px;
  background: rgba(255,255,255,0.08);
  position: relative;
}

.portfolio-bars i::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.forms-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.auth-card form {
  display: grid;
  gap: 14px;
}

.auth-card input,
.auth-card select {
  width: 100%;
  margin-top: 8px;
  min-height: 48px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--text);
  padding: 0 14px;
  outline: none;
}

.auth-card select option {
  color: #061017;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.check {
  display: flex !important;
  align-items: center;
  gap: 10px;
}

.check input {
  width: auto;
  min-height: auto;
  margin: 0;
}

.accent-card {
  background: linear-gradient(180deg, rgba(10, 22, 30, 0.96), rgba(18, 14, 8, 0.96));
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
}

.risk-section {
  padding: 28px;
  margin-bottom: 40px;
}

.risk-section h2 {
  font-size: 28px;
  color: var(--gold);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 46px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.footer-links a {
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  max-width: 360px;
  padding: 16px 18px;
  color: #061017;
  background: var(--green);
  font-weight: 900;
  transform: translateY(120px);
  opacity: 0;
  transition: 0.25s ease;
  box-shadow: var(--shadow);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1120px) {
  .section-grid,
  .split-head,
  .market-layout,
  .forms-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .advantage-grid,
  .quote-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .balance-card {
    grid-row: auto;
  }
}

@media (max-width: 780px) {
  .header {
    width: min(100% - 20px, 1480px);
    margin-top: 10px;
  }

  .burger {
    display: block;
  }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    padding: 10px;
    background: rgba(5,7,13,0.98);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: grid;
  }

  .nav a {
    padding: 14px;
  }

  .section,
  .hero,
  .footer,
  .risk-section {
    width: min(100% - 20px, 1480px);
  }

  .hero {
    padding-top: 54px;
  }

  .hero-stats,
  .feature-grid,
  .advantage-grid,
  .quote-grid,
  .dashboard {
    grid-template-columns: 1fr;
  }

  .terminal-bottom {
    grid-template-columns: 1fr;
  }

  .large-candle-chart {
    height: 260px;
    gap: 8px;
    padding: 14px;
  }

  .footer {
    display: grid;
  }

  .form-row {
    display: grid;
  }
}

@media (max-width: 440px) {
  h1 {
    font-size: 40px;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .feature-card,
  .advantage-card,
  .quote-card,
  .dash-card,
  .auth-card {
    padding: 18px;
  }
}