html:has(body.landing-page),
body.landing-page {
  height: auto;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

.landing-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text);
  font-family: var(--font);
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(4, 7, 13, 0.92);
  backdrop-filter: blur(8px);
}

.landing-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.landing-brand-name {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.landing-nav-link {
  padding: 0.45rem 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease;
}

.landing-nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.landing-nav-register {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background 0.15s ease;
}

.landing-nav-register:hover {
  border-color: var(--border-accent);
  color: var(--accent-hover);
  background: rgba(255, 255, 255, 0.03);
}

.landing-nav-cta {
  padding: 0.45rem 0.9rem;
  background: var(--accent);
  color: #041008;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.15s ease;
}

.landing-nav-cta:hover {
  background: var(--accent-hover);
}

.landing-hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 3.5rem 1.25rem 4rem;
}

.landing-hero-inner,
.landing-section-inner {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}

.landing-eyebrow {
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.landing-hero-title {
  margin: 0 0 1.25rem;
  max-width: 42rem;
  font-size: clamp(2rem, 5vw, 3.15rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.landing-hero-sub {
  margin: 0 0 1.5rem;
  max-width: 52rem;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  line-height: 1.6;
  color: var(--muted);
}

.landing-hero .auth-panel-features {
  margin: 0 0 2rem;
  max-width: 36rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.landing-hero .auth-panel-features li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
}

.landing-hero .auth-panel-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

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

.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.35rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.landing-btn-primary {
  background: var(--accent);
  color: #041008;
}

.landing-btn-primary:hover {
  background: var(--accent-hover);
}

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

.landing-btn-secondary:hover {
  border-color: var(--border-accent);
  color: var(--accent-hover);
}

.landing-btn-compact {
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
}

.landing-prose {
  padding: 3rem 1.25rem;
  border-top: 1px solid var(--border);
}

.landing-prose-alt {
  background: linear-gradient(180deg, rgba(13, 18, 25, 0.45) 0%, transparent 100%);
}

.landing-prose-body {
  margin: 0;
  max-width: 44rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--muted);
}

.landing-diff-list,
.landing-audience-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 44rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.landing-diff-list li,
.landing-audience-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
}

.landing-diff-list li::before,
.landing-audience-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.landing-diff-list em {
  font-style: normal;
  color: var(--accent-hover);
  font-weight: 600;
}

.landing-features {
  padding: 3.5rem 1.25rem 4.5rem;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent 0%, rgba(13, 18, 25, 0.65) 100%);
}

.landing-section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.landing-section-lead {
  margin: 0 0 2rem;
  max-width: 44rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}

.landing-feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.landing-feature-card {
  padding: 1.25rem 1.35rem;
  background: linear-gradient(
    165deg,
    var(--card-bg-top) 0%,
    var(--card-bg) 48%,
    #141e2c 100%
  );
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
}

.landing-feature-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.landing-feature-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

.landing-feature-card-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.landing-feature-card-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.landing-cta {
  padding: 3rem 1.25rem 4rem;
  border-top: 1px solid var(--border);
}

.landing-cta-inner {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(
    165deg,
    rgba(26, 37, 53, 0.85) 0%,
    rgba(20, 30, 44, 0.95) 100%
  );
  border: 1px solid var(--card-border);
  border-radius: 10px;
  box-shadow: var(--card-shadow);
}

.landing-cta-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--text);
}

.landing-cta-sub {
  margin: 0 auto 1.5rem;
  max-width: 36rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.landing-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.landing-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
}

.landing-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.landing-footer-brand {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-footer-domain {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.landing-footer-domain:hover {
  color: var(--accent);
}

.landing-footer-links {
  max-width: 1120px;
  margin: 0.65rem auto 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.landing-footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.landing-footer-links a:hover {
  color: var(--text);
  text-decoration: underline;
}

.landing-footer-sep {
  margin: 0 0.35rem;
  opacity: 0.65;
}

@media (max-width: 1100px) {
  .landing-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .landing-feature-grid {
    grid-template-columns: 1fr;
  }

  .landing-header-inner {
    padding: 0.75rem 1rem;
  }

  .landing-nav-link {
    padding: 0.4rem 0.55rem;
    font-size: 0.82rem;
  }

  .landing-nav-register {
    padding: 0.4rem 0.65rem;
    font-size: 0.78rem;
  }

  .landing-nav-cta {
    padding: 0.4rem 0.7rem;
    font-size: 0.78rem;
  }

  .landing-hero {
    padding: 2.5rem 1rem 3rem;
  }

  .landing-hero-title {
    max-width: none;
  }

  .landing-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .landing-btn {
    width: 100%;
  }

  .landing-prose,
  .landing-features,
  .landing-cta {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .landing-cta-inner {
    padding: 1.75rem 1.15rem;
  }

  .landing-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .landing-nav-cta {
    max-width: 9.5rem;
    text-align: center;
    line-height: 1.25;
    white-space: normal;
  }
}