.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-7);
  position: relative;
  z-index: 1;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  color: var(--text-secondary);
  transition: background-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}
.theme-toggle:hover { background-color: var(--bg-hover); color: var(--color-brand-500); }
.theme-toggle .icon { width: 18px; height: 18px; }

.landing-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--fw-regular);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.landing-header__logo {
  width: 26px;
  height: auto;
  flex-shrink: 0;
}

.landing-main {
  min-height: calc(100vh - 132px);
  display: flex;
  align-items: center;
  padding: var(--space-6) var(--space-7);
  position: relative;
  z-index: 1;
}

.landing-hero {
  max-width: 30rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-5);
}

.landing-hero__title {
  font-size: clamp(2.5rem, 4.5vw, 3.25rem);
  font-weight: var(--fw-medium);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  max-width: 15ch;
}

.landing-hero__text {
  color: var(--text-secondary);
  font-size: var(--fs-md);
  font-weight: var(--fw-light);
  line-height: var(--lh-relaxed);
  margin: 0;
  max-width: 30rem;
}

.landing-hero a.landing-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-brand-500);
  color: var(--text-on-brand);
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: var(--fw-medium);
  box-shadow: var(--shadow-glow);
  transition: transform var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard);
  margin-top: var(--space-2);
}

.landing-hero__cta:hover {
  background-color: var(--color-brand-400);
  transform: translateY(-1px);
}

.landing-hero__cta .icon {
  width: 18px;
  height: 18px;
}

.landing-footer {
  text-align: left;
  padding: var(--space-5) var(--space-7);
  color: var(--text-tertiary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-light);
  position: relative;
  z-index: 1;
}

@media (max-width: 640px) {
  .landing-header,
  .landing-main,
  .landing-footer {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .landing-hero__title {
    font-size: 2.25rem;
  }
}