.hero {
  display: grid;
  align-items: center;
  padding: var(--space-10) 0 var(--space-12);
  overflow: hidden;
  background: var(--gradient-page-panel);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-10);
  align-items: center;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr);
}

.hero__copy {
  max-width: 680px;
  min-width: 0;
  width: 100%;
}

.hero__grid > * {
  min-width: 0;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  margin: var(--space-8) 0 var(--space-6);
  width: 100%;
}

.hero__proof {
  display: grid;
  gap: var(--space-2);
  margin: 0 0 var(--space-6);
  padding: var(--space-4) 0 var(--space-5);
  border-block: 1px solid var(--color-border-soft);
}

.hero__note {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: 13px;
  line-height: 1.45;
}

.hero__note::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--yc-primary-500);
  content: "";
  vertical-align: 2px;
}

.legal-hero {
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper);
}

.legal-hero .container {
  max-width: 860px;
}

.legal-hero h1 {
  margin-bottom: var(--space-3);
}

.legal-layout {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-8) 0 var(--space-16);
}

.legal-sidebar {
  display: grid;
  gap: var(--space-2);
  align-self: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  padding: var(--space-3);
}

.legal-sidebar a {
  display: block;
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    box-shadow 140ms ease;
}

.legal-sidebar a:hover {
  background: var(--yc-gray-100);
}

.legal-sidebar a[aria-current="page"] {
  background: var(--yc-primary-50);
  border-color: var(--color-border-accent-strong);
  box-shadow: var(--shadow-accent-inset);
  color: var(--yc-primary-700);
}

.legal-sidebar a[aria-current="page"]::after {
  content: "Current";
  float: right;
  color: var(--yc-primary-600);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.legal-content {
  display: grid;
  gap: var(--space-4);
}

.legal-content--page {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-8) 0 var(--space-16);
  gap: var(--space-5);
  counter-reset: legal-section;
}

.legal-content--page .legal-card {
  position: relative;
  border-color: var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--gradient-surface-elevated);
  box-shadow: var(--shadow-card-elevated);
}

.legal-content--page .legal-card::before {
  counter-increment: legal-section;
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--yc-primary-600);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  content: counter(legal-section, decimal-leading-zero);
}

.legal-card h2 {
  margin-bottom: var(--space-3);
  font-family: var(--font-body);
  font-size: 22px;
  line-height: 1.25;
}

.legal-content--page .legal-card h2 {
  font-size: clamp(22px, 2vw, 26px);
}

.legal-content--page .legal-card p {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.72;
}

.legal-content--page .legal-card p + p {
  margin-top: var(--space-4);
}

.legal-card p:last-child,
.legal-card ul:last-child {
  margin-bottom: 0;
}

.legal-card ul {
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
}

.contact-link {
  color: var(--yc-primary-700);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

.support-hero,
.support-page {
  max-width: 860px;
}

.support-page {
  padding-top: var(--space-2);
}

.support-page .section-header {
  margin-bottom: var(--space-6);
}

.support-page .section-header h2 {
  margin-bottom: 0;
}

.support-page .faq {
  gap: var(--space-4);
}

.support-page .faq details {
  border-color: var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--gradient-surface-elevated);
  box-shadow: var(--shadow-card-elevated);
  padding: 0 var(--space-5);
}

.support-page .faq summary {
  min-height: 60px;
  padding: var(--space-4) 0;
  font-size: 18px;
  line-height: 1.45;
}

.support-page .faq details p {
  max-width: 68ch;
  margin-bottom: var(--space-5);
  font-size: 16px;
  line-height: 1.72;
}

.support-card--accent {
  border-color: var(--color-border-accent);
  background: var(--gradient-surface-accent);
}

.support-card__meta {
  margin: 0;
  color: var(--color-text-tertiary);
  font-size: 13px;
}

.not-found-page {
  display: grid;
  align-items: center;
  min-height: calc(100svh - 64px);
  padding: var(--space-8) 0 var(--space-16);
}

.not-found-shell {
  position: relative;
}

.not-found-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(87, 179, 242, 0.2), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 252, 255, 0.98));
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow-section);
  isolation: isolate;
}

.not-found-card::before,
.not-found-card::after {
  position: absolute;
  inset: auto;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.not-found-card::before {
  top: -88px;
  right: -68px;
  width: 220px;
  height: 220px;
  background: rgba(234, 246, 255, 0.9);
}

.not-found-card::after {
  bottom: -84px;
  left: -70px;
  width: 200px;
  height: 200px;
  background: rgba(245, 245, 245, 0.95);
}

.not-found__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
}

.not-found__eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--yc-primary-700);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.not-found__code {
  margin: 0 0 var(--space-3);
  color: rgba(8, 42, 76, 0.16);
  font-family: var(--font-mono);
  font-size: clamp(72px, 18vw, 148px);
  font-weight: 700;
  line-height: 0.9;
}

.not-found__copy h1 {
  max-width: 12ch;
  margin-bottom: var(--space-4);
}

.not-found__copy .lead {
  max-width: 34ch;
  margin-bottom: 0;
}

.not-found__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.not-found__panel {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  padding: var(--space-5);
  box-shadow: var(--shadow-card-elevated);
  backdrop-filter: blur(12px);
}

.not-found__panel-label {
  margin: 0 0 var(--space-1);
  color: var(--color-text-tertiary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.not-found__panel a {
  display: inline-flex;
  width: fit-content;
  min-height: 36px;
  align-items: center;
  color: var(--color-text);
  font-weight: 700;
}

.not-found__panel a:hover {
  color: var(--yc-primary-700);
}

@media (min-width: 760px) {
  .not-found-page {
    padding-block: var(--space-12) var(--space-20);
  }

  .not-found__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    align-items: end;
  }

  .not-found__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (min-width: 760px) {
  .hero {
    padding: var(--panel-safe-block) 0;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.72fr);
    gap: var(--space-12);
  }

  .hero__actions {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
  }

  .hero__proof {
    grid-template-columns: repeat(2, max-content);
    gap: var(--space-5);
    width: fit-content;
    max-width: 100%;
  }

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

  .support-page {
    padding-bottom: var(--space-20);
  }

  .support-page .section-header {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .support-page .faq {
    gap: var(--space-5);
  }

  .legal-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .legal-sidebar {
    position: sticky;
    top: 88px;
  }

  .legal-hero {
    padding: var(--space-16) 0 var(--space-10);
    background:
      linear-gradient(180deg, rgba(234, 246, 255, 0.75) 0%, rgba(250, 250, 250, 0) 100%),
      var(--color-paper);
  }

  .legal-content--page {
    padding: var(--space-10) 0 var(--space-20);
    gap: var(--space-6);
  }
}

@media (min-height: 680px) {
  .hero {
    min-height: var(--panel-min-height);
    padding: var(--panel-safe-block) 0;
  }
}

@media (max-width: 759px) {
  .hero__copy,
  .app-demo {
    width: 100%;
    max-width: none;
  }

  .app-demo {
    width: min(100%, 296px);
    margin-inline: auto;
  }

  .hero h1 {
    font-size: 38px;
    line-height: 1.12;
  }

  .app-demo__viewport {
    height: auto;
  }

}