:root {
  --page: #f5f5f7;
  --surface: #ffffff;
  --text: #1d1d1f;
  --text-soft: #6e6e73;
  --line: rgba(29, 29, 31, 0.1);
  --blue: #0a84ff;
  --accent: #005bbb;
  --accent-soft: rgba(0, 91, 187, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, var(--accent-soft) 52%, #eef1f5 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.trade-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.trade-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 74px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 22%, white);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.nav-actions,
.button {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.nav-actions {
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  justify-content: center;
  min-height: 42px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, white);
  border-radius: 12px;
  background: #ffffff;
  padding: 0 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 850;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
  padding: clamp(34px, 7vw, 78px) 0 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, white);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0 12px;
  font-size: 14px;
  font-weight: 900;
}

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

h1 {
  margin-top: 16px;
  font-size: clamp(46px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero p,
.section-head p,
.feature-card p,
.audio-card p {
  color: var(--text-soft);
  line-height: 1.45;
}

.hero p {
  max-width: 680px;
  margin-top: 18px;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-actions .button {
  min-height: 50px;
  padding: 0 24px;
  font-size: 16px;
}

.trade-panel,
.feature-card,
.audio-card {
  border: 1px solid color-mix(in srgb, var(--accent) 18%, white);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 20px 48px rgba(29, 29, 31, 0.08);
}

.trade-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.trade-panel strong {
  font-size: 20px;
}

.panel-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel-list li {
  border: 1px solid color-mix(in srgb, var(--accent) 16%, white);
  border-radius: 10px;
  background: #f8f8fa;
  padding: 12px;
  color: var(--text-soft);
  line-height: 1.35;
}

.section {
  padding: 38px 0;
}

.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: -0.02em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.audio-card {
  display: grid;
  gap: 10px;
  padding: 20px;
}

.audio-slot {
  display: grid;
  place-items: center;
  min-height: 142px;
  border: 1px dashed color-mix(in srgb, var(--accent) 42%, white);
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  text-align: center;
  font-weight: 900;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 13px;
  padding: 24px 0 38px;
}

@media (max-width: 800px) {
  .trade-nav,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}