.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 650;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition);
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  box-shadow: 0 10px 30px var(--color-glow);
}

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

.button-secondary {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.button-secondary:hover,
.button-ghost:hover {
  border-color: var(--color-primary);
}

.button-ghost {
  border-color: transparent;
  background: transparent;
}

.button-icon {
  width: 2.9rem;
  padding: 0;
  border-color: var(--color-border);
  background: var(--color-surface);
}

.button-disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.button-disabled:hover {
  transform: none;
}

.text-link {
  color: var(--color-primary);
  font-size: 0.86rem;
  font-weight: 650;
}

.text-link:hover {
  color: var(--color-primary-hover);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 0.3rem var(--color-success-glow);
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    backdrop-filter var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: var(--color-header);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  display: grid;
  width: 12.5rem;
  height: 3.1rem;
  align-items: center;
}

.brand-mark-compact {
  display: none;
  width: 3.45rem;
}

.home-header:not(.is-scrolled) .brand-logo-full {
  display: none;
}

.home-header:not(.is-scrolled) .brand-mark-compact {
  display: grid;
}

.home-header.is-scrolled .brand-logo-full {
  display: grid;
}

.brand-image {
  display: block;
  width: 100%;
  height: auto;
}

.brand-logo .brand-image,
.brand-mark-compact .brand-image,
.hero-brand-logo .brand-image,
.support-brand .brand-image,
.footer-brand .brand-image {
  grid-area: 1 / 1;
}

[data-theme="dark"] .brand-image-light,
[data-theme="light"] .brand-image-dark {
  display: none;
}

.site-navigation a {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 550;
  transition: color var(--transition);
}

.site-navigation a:hover {
  color: var(--color-text);
}

.theme-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.hero-brand-logo {
  display: grid;
  width: min(21rem, 78%);
  margin-bottom: 1.1rem;
  filter: drop-shadow(0 12px 24px var(--color-glow));
}

[data-theme="dark"] .theme-icon-light,
[data-theme="light"] .theme-icon-dark {
  display: none;
}

.menu-toggle {
  display: none;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  width: 1.15rem;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform var(--transition);
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -0.35rem;
}

.menu-icon::after {
  top: 0.35rem;
}

.feature-card,
.doc-card {
  position: relative;
  overflow: hidden;
  padding: 1.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 12px 35px var(--color-shadow-soft);
}

.feature-card {
  min-height: 15rem;
}

.feature-card p,
.doc-card p {
  margin-bottom: 0;
}

.feature-card-large {
  background:
    linear-gradient(135deg, var(--color-surface), transparent),
    var(--color-surface-strong);
}

.feature-card-accent::after {
  position: absolute;
  right: -3rem;
  bottom: -3rem;
  width: 9rem;
  height: 9rem;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  box-shadow:
    0 0 0 1.5rem var(--color-glow),
    0 0 0 3rem var(--color-glow-faint);
  content: "";
}

.portable-badge {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 99rem;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.workflow-lines {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.5rem;
}

.workflow-lines span {
  height: 0.35rem;
  border-radius: 99rem;
  background: var(--color-primary);
}

.workflow-lines span:nth-child(1) {
  width: 30%;
}

.workflow-lines span:nth-child(2) {
  width: 42%;
  opacity: 0.6;
}

.workflow-lines span:nth-child(3) {
  width: 18%;
  background: var(--color-secondary);
}

.doc-card {
  min-height: 13rem;
  transition:
    transform var(--transition),
    border-color var(--transition);
}

.doc-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.doc-card:focus-visible {
  border-color: var(--color-primary);
}

.doc-card small {
  display: block;
  margin-top: 1.4rem;
  color: var(--color-secondary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ad-slot {
  padding-block: 1.25rem;
  border-block: 1px solid var(--color-border);
  background: var(--color-background-raised);
}

.ad-slot[hidden] {
  display: none;
}

.ad-slot-inner {
  position: relative;
  display: grid;
  min-height: 6.5rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.ad-label {
  position: absolute;
  top: 0.5rem;
  left: 0.65rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad-content {
  width: 100%;
  text-align: center;
}

.sponsor-content {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.6rem;
  text-align: left;
}

.sponsor-content strong {
  color: var(--color-text);
}

.sponsor-content p {
  margin: 0.25rem 0 0;
}

.gear-inactive {
  max-width: 44rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.affiliate-disclosure {
  max-width: 52rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--color-warm-accent);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.gear-category + .gear-category {
  margin-top: 4rem;
}

.gear-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.gear-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 12px 35px var(--color-shadow-soft);
}

.gear-card-image {
  display: grid;
  min-height: 11rem;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-background-raised);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.gear-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gear-card-body {
  padding: 1.4rem;
}

.gear-reason {
  color: var(--color-text);
  font-size: 0.86rem;
}

.support-panel {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 15% 50%, var(--color-secondary-glow), transparent 17rem),
    var(--color-surface);
  box-shadow: var(--shadow-card);
}

.support-brand {
  display: grid;
  width: 7rem;
}

.support-copy h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
}

.support-copy p {
  margin-bottom: 0.3rem;
}

.support-actions {
  display: grid;
  gap: 0.75rem;
  min-width: 13rem;
}

.support-actions .button {
  display: grid;
  gap: 0.05rem;
}

.support-actions small {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-brand {
  display: grid;
  width: 11rem;
}

@media (max-width: 900px) {
  .gear-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-panel {
    grid-template-columns: 6rem 1fr;
  }

  .support-brand {
    width: 6rem;
  }

  .support-actions {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 600px) {
  .sponsor-content,
  .gear-grid {
    grid-template-columns: 1fr;
  }

  .brand-logo {
    width: 10.5rem;
    height: 2.75rem;
  }

  .brand-mark-compact {
    width: 3rem;
  }

  .hero-brand-logo {
    width: min(18rem, 88%);
  }

  .support-panel {
    grid-template-columns: 1fr;
  }

  .support-brand {
    width: 5rem;
  }

  .support-actions {
    grid-column: auto;
    width: 100%;
  }
}