.hero {
  --hero-background-image: none;
  --hero-background-position-mobile: 58% center;
  --hero-background-position-tablet: 62% center;
  --hero-background-position-desktop: 68% center;
  --hero-background-position: var(--hero-background-position-mobile);
  --hero-overlay-strength: 0.86;

  position: relative;
  overflow: hidden;
  background: var(--color-canvas);
}

.hero::before,
.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.hero::before {
  background-image: var(--hero-background-image);
  background-position: var(--hero-background-position);
  background-repeat: no-repeat;
  background-size: cover;
}

.hero::after {
  background: rgb(7 16 20 / var(--hero-overlay-strength));
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: start;
  gap: var(--space-7);
  padding-block: var(--space-7);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.hero h1 {
  max-width: 12ch;
  font-size: 2.5rem;
}

.hero-positioning {
  max-width: 25ch;
  color: var(--color-text);
  font-size: var(--font-size-xl);
  line-height: 1.35;
}

.hero-description {
  max-width: 60ch;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-block-start: var(--space-2);
}

.button--primary {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: var(--color-canvas);
  font-weight: 700;
}

.button--primary:hover {
  border-color: var(--color-brand-strong);
  background: var(--color-brand-strong);
}

.text-link {
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.hero-disclosure {
  max-width: 48ch;
  color: var(--color-neutral);
  font-size: var(--font-size-xs);
}

.hero-market-preview {
  width: min(100%, 46rem);
  display: grid;
  justify-self: center;
  gap: var(--space-4);
}

.symbols-preview,
.session-summary {
  padding: var(--space-4);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.symbols-preview--primary {
  padding: var(--space-5);
  border-color: rgb(105 185 255 / 45%);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-raised);
}

.preview-heading h2 {
  margin-block-start: var(--space-1);
  font-size: var(--font-size-lg);
}

.symbols-preview .preview-heading h2 {
  font-size: var(--font-size-xl);
}

.data-state,
.session-state {
  margin-block-start: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.symbol-groups {
  display: grid;
  gap: var(--space-2);
  margin-block-start: var(--space-4);
}

.symbol-group {
  min-width: 0;
  padding: var(--space-3);
  border-inline-start: 2px solid var(--color-info);
  background: var(--color-canvas);
}

.symbol-group:nth-child(2) {
  border-inline-start-color: var(--color-decline);
}

.symbol-group:nth-child(3) {
  border-inline-start-color: var(--color-brand);
}

.symbol-group h3 {
  font-size: var(--font-size-sm);
}

.group-fields {
  margin-block-start: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.symbol-list:empty {
  display: none;
}

.symbol-row {
  min-height: var(--touch-target-min);
  display: grid;
  align-items: center;
  grid-template-columns: minmax(4rem, 1fr) repeat(2, minmax(0, auto));
  gap: var(--space-2);
}

.symbol-row__symbol {
  color: var(--color-text);
  font-weight: 700;
}

.symbols-action {
  display: flex;
  margin-block-start: var(--space-4);
  padding-block-start: var(--space-4);
  border-top: var(--border-width) solid var(--color-border);
}

.symbols-action .button {
  width: 100%;
}

.session-summary {
  padding: var(--space-3) var(--space-4);
  box-shadow: none;
}

.session-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3) 0 0;
  margin: var(--space-3) 0 0;
  border-top: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  list-style: none;
}

@media (min-width: 768px) {
  .hero {
    --hero-background-position: var(--hero-background-position-tablet);
    --hero-overlay-strength: 0.88;
  }

  .hero h1 {
    font-size: 3.5rem;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.9fr);
    align-items: start;
    padding-block: var(--space-8);
  }

  .symbols-action .button {
    width: auto;
  }
}

@media (min-width: 1200px) {
  .hero {
    --hero-background-position: var(--hero-background-position-desktop);
  }

  .hero h1 {
    font-size: 4.75rem;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(32rem, 1.1fr);
  }

  .symbol-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Short laptop and partial-height windows keep the same type hierarchy while
   reducing only the vertical space around the content-driven Hero. */
@media (min-width: 768px) and (max-height: 720px) {
  .hero-layout {
    gap: var(--space-5);
    padding-block: var(--space-6);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-copy {
    gap: var(--space-3);
  }
}