/* Top accent bar + shell */
.site-slab {
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--c-gold) 0%,
    var(--c-accent) 35%,
    var(--c-plum) 100%
  );
  transform-origin: 0 50%;
}

@media (prefers-reduced-motion: no-preference) {
  .site-slab {
    animation: slab-in 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    transform: scaleX(0.92);
  }

  @keyframes slab-in {
    to {
      transform: scaleX(1);
    }
  }
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: color-mix(in srgb, var(--c-plum-deep) 96%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  width: var(--content);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.85rem var(--space-md);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-decoration: none;
  color: var(--c-surface);
}

.brand:hover {
  color: color-mix(in srgb, var(--c-surface) 88%, var(--c-gold));
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand__tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--c-surface) 12%, transparent);
  color: var(--c-surface);
  cursor: pointer;
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle__bars span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-primary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  align-items: center;
}

.nav-primary a {
  font-size: 0.92rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--c-surface) 92%, transparent);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-primary a:hover,
.nav-primary a[aria-current="page"] {
  color: var(--c-surface);
  border-bottom-color: var(--c-gold);
}

@media (max-width: 52rem) {
  .nav-toggle {
    display: flex;
  }

  .nav-primary {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-sm) 0 0;
    border-top: 1px solid var(--c-line);
  }

  .nav-primary.is-open {
    display: flex;
  }

  .nav-primary a {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--c-line);
  }
}

main {
  flex: 1;
  width: var(--content);
  margin-inline: auto;
  padding: var(--space-lg) var(--space-md);
}

.site-footer {
  margin-top: auto;
  background: var(--c-plum-deep);
  color: color-mix(in srgb, var(--c-surface) 88%, transparent);
  padding: var(--space-lg) var(--space-md);
  border-top: 4px solid var(--c-gold);
}

.site-footer__grid {
  width: var(--content);
  margin-inline: auto;
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .site-footer__grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.site-footer a {
  color: color-mix(in srgb, var(--c-surface) 95%, var(--c-gold));
}

.site-footer strong {
  color: var(--c-surface);
  font-family: var(--font-display);
}

.footer-meta {
  font-size: 0.92rem;
  line-height: 1.7;
}

.copyright {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: var(--space-md);
}

/* Sections */
.section-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 700;
  color: color-mix(in srgb, var(--c-accent) 35%, transparent);
  line-height: 1;
  margin: 0 0 var(--space-xs);
  letter-spacing: -0.04em;
}

.section-head {
  margin-bottom: var(--space-md);
}

.section-head h1,
.section-head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
}

.lead {
  font-size: 1.15rem;
  color: var(--c-muted);
  max-width: 52ch;
}

/* Hero */
.hero {
  display: grid;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-xl);
}

@media (min-width: 56rem) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--c-line);
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--c-plum-deep) 25%, transparent),
    transparent 55%
  );
  pointer-events: none;
}

.hero__badge {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  z-index: 1;
  background: color-mix(in srgb, var(--c-surface) 94%, transparent);
  backdrop-filter: blur(8px);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-plum);
}

.hero__title {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.03em;
}

.hero__title em {
  font-style: italic;
  color: var(--c-accent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Grids */
.grid-cards {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 60rem) {
  .grid-cards--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
      transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}