/* Hallmark · genre: modern-minimal · macrostructure: Catalogue + Decision Ledger · theme: XIEHENG technical · enrichment: semantic system diagram only · nav: existing N1b · footer: Ft2 · contrast: pass (40–41) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34,49–57) · icons: pass (30) */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V4 */
@import url("/assets/css/tokens.css");

html,
body {
  overflow-x: clip;
}

.noise-support {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
}

.noise-support h1,
.noise-support h2,
.noise-support h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-style: normal;
}

.noise-support .section-head {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--space-md);
}

.noise-support .section-head > div,
.noise-support .section-head > p {
  max-width: 65ch;
}

.noise-support .band .section-head .eyebrow {
  display: none;
}

.noise-support-hero {
  position: relative;
  overflow: clip;
  background: var(--color-ink);
  color: var(--color-paper);
}

.noise-support-hero::after {
  position: absolute;
  inset-block: 0;
  inset-inline-end: clamp(-12rem, -8vw, -4rem);
  width: clamp(18rem, 42vw, 38rem);
  border-inline: var(--rule-thin) solid var(--color-ink-2);
  background:
    repeating-linear-gradient(90deg, transparent 0 2.9rem, var(--color-ink-2) 3rem),
    repeating-linear-gradient(0deg, transparent 0 2.9rem, var(--color-ink-2) 3rem);
  content: "";
  opacity: .32;
  pointer-events: none;
}

.noise-support-hero .wrap {
  position: relative;
  z-index: 1;
}

.noise-support-hero .eyebrow,
.noise-support-hero .lede {
  color: var(--color-paper-3);
}

.noise-support-hero .button.secondary {
  border-color: var(--color-rule-2);
  color: var(--color-paper);
}

.support-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  max-width: 100%;
  margin-block-end: var(--space-lg);
  overflow-x: auto;
  color: var(--color-paper-3);
  font-size: var(--text-sm);
  white-space: nowrap;
  scrollbar-width: thin;
}

.support-breadcrumb a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-paper);
  text-underline-offset: .22em;
  white-space: nowrap;
}

.noise-support .card {
  border-block-start: var(--space-3xs) solid var(--color-accent);
}

.noise-support .card .status {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.noise-support .comparison-wrap {
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-paper);
}

.noise-support .comparison-table th,
.noise-support .comparison-table td {
  min-width: 10.5rem;
}

.noise-rfq-form .field-grid {
  align-items: start;
}

.noise-rfq-form label {
  display: grid;
  gap: var(--space-2xs);
  color: var(--color-ink);
  font-weight: 700;
}

.noise-rfq-form input,
.noise-rfq-form textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: var(--space-xs) var(--space-sm);
  padding-inline-end: var(--space-xl);
  border: var(--rule-thin) solid var(--color-rule-2);
  border-radius: var(--radius-input);
  outline: var(--rule-focus) solid transparent;
  outline-offset: .0625rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font: inherit;
  font-weight: 400;
  line-height: 1.5;
}

.noise-rfq-form textarea {
  min-height: 7rem;
  resize: vertical;
}

.noise-rfq-form input::placeholder,
.noise-rfq-form textarea::placeholder {
  color: var(--color-muted);
}

.noise-rfq-form input:focus-visible,
.noise-rfq-form textarea:focus-visible,
.noise-support a:focus-visible,
.noise-support button:focus-visible {
  outline-color: var(--color-focus);
  outline-offset: .1875rem;
}

.noise-support-hero a:focus-visible {
  outline-color: var(--color-focus-on-dark);
}

.noise-rfq-form input:focus-visible,
.noise-rfq-form textarea:focus-visible {
  border-color: var(--color-ink-2);
  outline-color: var(--color-focus);
  outline-offset: .0625rem;
}

.noise-rfq-form input:disabled,
.noise-rfq-form textarea:disabled,
.noise-support button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.noise-rfq-form [aria-invalid="true"] {
  border-color: var(--color-error);
}

.field-help {
  min-height: 1lh;
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.45;
}

.privacy-note {
  margin-block: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-inline-start: .25rem solid var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-ink);
  line-height: 1.6;
}

.noise-rfq-page .tool-result pre {
  max-height: 38rem;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.noise-rfq-page .tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-block-start: var(--space-sm);
}

.noise-support .button,
.noise-support .btn {
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

.noise-support .button,
.noise-support .btn,
.noise-support button {
  min-height: 2.75rem;
  white-space: nowrap;
}

.copy-button[data-state="success"] {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.copy-button[data-state="error"] {
  border-color: var(--color-error);
  color: var(--color-error);
}

.noise-support .button:active,
.noise-support .btn:active,
.noise-support button:active {
  transform: translateY(.0625rem);
}

.noise-support .card[href]:active {
  background: var(--color-accent-soft);
}

@media (hover: hover) and (pointer: fine) {
  .noise-rfq-form input:hover,
  .noise-rfq-form textarea:hover {
    background: var(--color-paper-2);
  }
  .noise-support .button:hover,
  .noise-support .btn:hover {
    transform: none;
  }
}

@media (min-width: 40rem) {
  .noise-support-hero::after {
    inset-inline-end: clamp(-8rem, -4vw, -2rem);
  }
}

@media (max-width: 39.99rem) {
  .noise-support .comparison-wrap {
    border-inline: 0;
    border-radius: 0;
  }
  .noise-rfq-page .tool-actions > * {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .noise-support *,
  .noise-support *::before,
  .noise-support *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}