.landing-container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.landing-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}

.landing-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
}

.landing-logo {
  font-weight: var(--weight-strong);
  font-size: 20px;
  color: var(--text-primary);
  text-decoration: none;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.landing-nav__lang {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.landing-nav__theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-secondary);
}

.landing-nav__theme:hover {
  color: var(--text-primary);
  background: var(--accent-soft);
}

.landing-nav__theme-sun,
[data-theme="dark"] .landing-nav__theme-moon {
  display: none;
}

[data-theme="dark"] .landing-nav__theme-sun {
  display: block;
}

.landing-nav__link {
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.landing-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 120px;
  text-align: center;
}

.landing-hero__content {
  position: relative;
}

.landing-hero__title {
  font-size: clamp(38px, 6.4vw, 64px);
  letter-spacing: -0.035em;
  line-height: 1.05;
  max-width: 760px;
  margin: 0 auto var(--space-4);
}

.landing-hero__subtitle {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto var(--space-6);
}

.landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.landing-button {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.landing-button--ghost {
  background: transparent;
  color: var(--accent);
}

.landing-section__title {
  font-size: clamp(26px, 4vw, 34px);
  text-align: center;
  margin-bottom: var(--space-6);
}

.landing-features,
.landing-setup,
.landing-cta {
  padding: 64px 0;
}

.landing-features {
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.landing-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}

.landing-feature {
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-0);
}

.landing-feature p {
  margin: 0;
  color: var(--text-secondary);
}

.landing-setup__text {
  text-align: center;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto var(--space-5);
}

.landing-cta {
  text-align: center;
}

.landing-cta .landing-section__title {
  margin-bottom: var(--space-3);
}

.landing-cta p {
  color: var(--text-secondary);
  margin: 0 0 var(--space-5);
}

.landing-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-5) 0;
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
}

.landing-footer p {
  margin: 0;
}

@media (max-width: 600px) {
  .landing-hero {
    padding: 64px 0 152px;
  }

  .landing-hero__chart {
    height: 112px;
    gap: 4px;
    padding: 0 var(--space-3);
  }

  .landing-hero__subtitle {
    font-size: 17px;
  }
}