/* Internal pages: Support and Legal */

.internal-page {
  min-height: 100vh;
  background:
    radial-gradient(
      circle at top right,
      rgba(0, 209, 178, 0.08),
      transparent 28rem
    ),
    var(--color-background);
}

/* Internal header */

.internal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  background: rgba(248, 247, 242, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.internal-header__inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.internal-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.internal-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.internal-back-link::before {
  content: "←";
  color: var(--color-brand-aqua-deep);
  font-size: 1.1rem;
}

.internal-back-link:hover,
.internal-back-link:focus-visible {
  color: var(--color-text-primary);
}

/* Breadcrumb */

.breadcrumb {
  padding-top: var(--space-6);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  list-style: none;
}

.breadcrumb__list li:not(:last-child)::after {
  margin-left: var(--space-2);
  color: var(--color-border-strong);
  content: "/";
}

.breadcrumb a {
  transition: color var(--transition-fast);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-brand-aqua-deep);
}

/* Document hero */

.document-hero {
  padding-block:
    clamp(3.5rem, 8vw, 7rem)
    clamp(3rem, 6vw, 5rem);
}

.document-hero__content {
  max-width: 860px;
}

.document-type {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-brand-aqua-deep);
  font-size: var(--font-size-sm);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.document-type::before {
  width: 28px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-brand-aqua);
  content: "";
}

.document-title {
  max-width: 900px;
  margin-bottom: var(--space-5);
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  letter-spacing: -0.06em;
}

.document-description {
  max-width: 760px;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.document-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.document-metadata__item {
  display: grid;
  gap: var(--space-1);
  min-width: 180px;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
}

.document-metadata__item span {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.document-metadata__item strong {
  font-size: var(--font-size-sm);
}

/* Main document layout */

.document-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.34fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 6rem);
  padding-bottom: var(--space-9);
}

/* Table of contents */

.document-toc {
  position: sticky;
  top: 110px;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.document-toc__title {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.document-toc nav {
  display: grid;
  gap: var(--space-2);
}

.document-toc a {
  padding: var(--space-2) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 650;
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.document-toc a:hover,
.document-toc a:focus-visible {
  color: var(--color-brand-aqua-deep);
  transform: translateX(4px);
}

/* Document content */

.document-content {
  min-width: 0;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.document-section + .document-section {
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.document-section h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.document-section h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-lg);
}

.document-section p,
.document-section li {
  color: var(--color-text-secondary);
}

.document-section p {
  margin-bottom: var(--space-4);
}

.document-section ul,
.document-section ol {
  display: grid;
  gap: var(--space-3);
  padding-left: 1.35rem;
  margin-block: var(--space-4);
}

.document-section a {
  color: var(--color-brand-aqua-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(0, 209, 178, 0.38);
  text-underline-offset: 0.2em;
}

.document-section strong {
  color: var(--color-text-primary);
}

/* Information and warning blocks */

.document-notice {
  padding: var(--space-5);
  margin-block: var(--space-6);
  border: 1px solid rgba(0, 209, 178, 0.28);
  border-radius: var(--radius-md);
  background: var(--color-brand-aqua-soft);
}

.document-notice--dark {
  border-color: transparent;
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}

.document-notice p:last-child {
  margin-bottom: 0;
}

.document-notice--dark p {
  color: rgba(248, 250, 249, 0.72);
}

/* Definitions */

.definition-list {
  display: grid;
  gap: var(--space-4);
}

.definition-item {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.definition-item dt {
  margin-bottom: var(--space-2);
  font-weight: 800;
}

.definition-item dd {
  margin: 0;
  color: var(--color-text-secondary);
}

/* Contact block */

.document-contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: var(--space-6);
  padding: clamp(2rem, 5vw, 3.5rem);
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}

.document-contact h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.document-contact p {
  margin-bottom: 0;
  color: rgba(248, 250, 249, 0.68);
}

.document-contact__links {
  display: grid;
  gap: var(--space-3);
}

.document-contact__links a {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.document-contact__links a:hover,
.document-contact__links a:focus-visible {
  border-color: rgba(0, 209, 178, 0.52);
}

.document-contact__links span {
  color: rgba(248, 250, 249, 0.58);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
}

.document-contact__links strong {
  overflow-wrap: anywhere;
  color: var(--color-text-on-dark);
}

/* Related pages */

.related-pages {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.related-pages__title {
  margin-bottom: var(--space-5);
  font-size: var(--font-size-xl);
}

.related-pages__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.related-page {
  display: grid;
  gap: var(--space-3);
  min-height: 180px;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.related-page:hover,
.related-page:focus-visible {
  border-color: rgba(0, 209, 178, 0.4);
  box-shadow: var(--shadow-soft);
  transform: translateY(-4px);
}

.related-page span {
  color: var(--color-brand-aqua-deep);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.related-page strong {
  font-size: var(--font-size-md);
}

.related-page p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Empty document shell during local development */

.document-shell {
  min-height: 420px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.62);
}

/* Responsive */

@media (max-width: 920px) {
  .document-layout {
    grid-template-columns: 1fr;
  }

  .document-toc {
    position: static;
  }

  .document-toc nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .document-contact {
    grid-template-columns: 1fr;
  }

  .related-pages__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .internal-header__inner {
    min-height: 70px;
  }

  .internal-header__actions .button {
    display: none;
  }

  .document-hero {
    padding-top: var(--space-8);
  }

  .document-title {
    font-size: clamp(2.4rem, 14vw, 4rem);
  }

  .document-metadata {
    display: grid;
  }

  .document-metadata__item {
    min-width: 0;
  }

  .document-toc nav {
    grid-template-columns: 1fr;
  }

  .document-content {
    padding: var(--space-5);
  }

  .document-section + .document-section {
    padding-top: var(--space-7);
    margin-top: var(--space-7);
  }

  .document-contact {
    padding: var(--space-5);
  }
}

/* Mobile footer refinement for internal pages */

@media (max-width: 640px) {
  .internal-page .site-footer__top {
    grid-template-columns: 1fr;
  }

  .internal-page .site-footer__navigation {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .internal-page .site-footer__navigation > div {
    width: 100%;
  }

  .internal-page .site-footer__navigation a,
  .internal-page .site-footer__navigation strong {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .internal-page .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
    padding-block: var(--space-5);
  }
}

/* Legal placeholder page layout refinement */

.legal-hero {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.legal-hero__inner {
  max-width: 980px;
}

.legal-hero__title {
  max-width: 900px;
  margin-bottom: var(--space-5);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.legal-hero__description {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.document-layout.section {
  padding-top: 0;
}

.document-layout > .container {
  max-width: 1100px;
}

.document-content {
  width: 100%;
  max-width: 100%;
}

.document-content > .document-section {
  max-width: 820px;
}

.document-contact {
  width: 100%;
  margin-top: var(--space-7);
}

.document-contact .section-label,
.document-contact h2,
.document-contact p,
.document-contact a {
  max-width: 100%;
}

@media (max-width: 760px) {
  .legal-hero__title {
    font-size: clamp(2.4rem, 12vw, 4rem);
  }

  .document-layout > .container {
    width: min(
      calc(100% - (var(--container-padding) * 2)),
      100%
    );
  }

  .document-content {
    padding: var(--space-5);
  }

  .document-contact {
    padding: var(--space-5);
  }
}

/* Legal placeholder pages */

.legal-placeholder-section {
  padding-top: 0;
}

.legal-placeholder-layout {
  max-width: 1100px;
}

.legal-placeholder-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.legal-placeholder-card__content {
  max-width: 820px;
  padding: clamp(2.5rem, 6vw, 5rem);
}

.legal-placeholder-card__content h2 {
  max-width: 760px;
  margin-bottom: var(--space-5);
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.legal-placeholder-card__content p {
  max-width: 720px;
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
}

.legal-placeholder-card__content p:last-child {
  margin-bottom: 0;
}

.legal-placeholder-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-7);
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}

.legal-placeholder-contact .section-label {
  color: var(--color-brand-aqua);
}

.legal-placeholder-contact h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.legal-placeholder-contact p {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(248, 250, 249, 0.68);
}

.legal-placeholder-contact > a {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  border: 1px solid rgba(0, 209, 178, 0.42);
  border-radius: var(--radius-pill);
  background: rgba(0, 209, 178, 0.08);
  color: var(--color-text-on-dark);
  font-weight: 750;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.legal-placeholder-contact > a:hover,
.legal-placeholder-contact > a:focus-visible {
  border-color: var(--color-brand-aqua);
  background: rgba(0, 209, 178, 0.14);
  transform: translateY(-2px);
}

@media (max-width: 760px) {
  .legal-placeholder-card__content {
    padding: var(--space-6);
  }

  .legal-placeholder-card__content h2 {
    font-size: clamp(2.2rem, 11vw, 3.5rem);
  }

  .legal-placeholder-contact {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-6);
  }

  .legal-placeholder-contact > a {
    width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
  }
}


/* Error page actions */

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (max-width: 760px) {
  .error-page__actions {
    flex-direction: column;
  }

  .error-page__actions .button {
    width: 100%;
  }
}