/**
 * Base styles — mytio2.com
 * Consumes tokens.css only; BEM naming for primitives.
 *
 * Google Fonts (add to HTML <head> before these stylesheets):
 *
 * <link rel="preconnect" href="https://fonts.googleapis.com">
 * <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 * <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
 * <link rel="stylesheet" href="/assets/css/tokens.css">
 * <link rel="stylesheet" href="/assets/css/site.css">
 */

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

/* --- Base --- */
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  background-attachment: fixed;
  background-color: var(--color-background);
  background-image:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--color-primary) 5%, transparent) 1px, transparent 0),
    radial-gradient(ellipse 90% 55% at 8% -8%, color-mix(in srgb, var(--color-secondary) 14%, transparent), transparent 58%),
    radial-gradient(ellipse 70% 45% at 96% 102%, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent 52%),
    linear-gradient(
      168deg,
      var(--color-background) 0%,
      color-mix(in srgb, var(--color-background) 88%, var(--color-background-warm)) 100%
    );
  background-size: 28px 28px, auto, auto, auto;
  color: var(--color-on-background);
  display: flex;
  flex-direction: column;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body-md);
  min-height: 100vh;
}

main {
  flex: 1;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

/* --- Typography --- */
h1,
h2,
h3,
h4 {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-headline-md);
}

h1 {
  font-size: var(--font-size-display-lg);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display-lg);
  letter-spacing: var(--letter-spacing-display-lg);
}

h2 {
  font-size: var(--font-size-headline-md);
}

h3 {
  font-size: var(--font-size-headline-sm);
  line-height: var(--line-height-headline-sm);
}

h4 {
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.text-body-lg {
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
}

.text-body-sm {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
}

.text-label {
  color: var(--color-tertiary);
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-label-md);
  line-height: var(--line-height-label-md);
  text-transform: uppercase;
}

.text-mono {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-mono-data);
  line-height: var(--line-height-mono-data);
}

/* --- Links --- */
a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: underline;
}

/* --- Focus --- */
:focus {
  outline: none;
}

:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-primary);
  outline-offset: var(--focus-ring-offset);
}

/* --- Layout --- */
.container {
  margin-inline: auto;
  max-width: var(--container-max-width);
  padding-inline: var(--gutter);
  width: 100%;
}

.section {
  padding-block: var(--section-y);
}

/* --- Button (BEM) --- */
.btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  font-weight: var(--font-weight-semibold);
  gap: var(--space-2);
  justify-content: center;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-on-accent);
}

.btn--primary:hover {
  filter: brightness(0.95);
  text-decoration: none;
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-surface-dim);
  text-decoration: none;
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-outline);
  color: var(--color-on-surface);
}

.btn--outline:hover {
  background-color: var(--color-surface-dim);
  text-decoration: none;
}

/* --- Card (BEM) --- */
.card {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background-color: color-mix(in srgb, var(--color-surface-container) 94%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 75%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.card--elevated {
  box-shadow: var(--shadow-card);
}

.card__title {
  color: var(--color-primary);
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.card__body {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
}

/* --- Badge (BEM) --- */
.badge {
  border-radius: var(--radius-sm);
  display: inline-block;
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label-md);
  padding: var(--space-1) var(--space-3);
}

.badge--compliance {
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
}

/* --- Quick Answer --- */
.quick-answer {
  background-color: var(--color-primary-container);
  border-left: var(--quick-answer-border-width) solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-on-primary-container);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  padding: var(--space-4) var(--space-6);
}

/* --- Table (BEM) --- */
.table-scroll {
  -webkit-overflow-scrolling: touch;
  overflow-x: auto;
  width: 100%;
}

.table {
  background-color: var(--color-surface-container);
  border-collapse: collapse;
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  width: 100%;
}

.table caption {
  caption-side: top;
  font-weight: var(--font-weight-semibold);
  padding-block: var(--space-2);
  text-align: left;
}

.table th,
.table td {
  border: 1px solid var(--color-surface-dim);
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

.table th {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-label-md);
  text-transform: uppercase;
}

.table tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

.table td.text-mono,
.table th.text-mono {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-mono-data);
}

/* --- Trust metric (primitive for Story 1.4) --- */
.trust-metric__value {
  color: var(--color-primary);
  display: block;
  font-size: var(--trust-metric-value-size);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-trust-metric);
}

.trust-metric__label {
  color: var(--color-tertiary);
  display: block;
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-label-md);
  line-height: var(--line-height-label-md);
  text-transform: uppercase;
}

/* --- Skip link --- */
.skip-link {
  background-color: var(--color-surface-container);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  position: absolute;
  text-decoration: none;
  top: var(--space-4);
  transform: translateY(-200%);
  z-index: 1000;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

/* --- Site header & nav --- */
.site-header {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: color-mix(in srgb, var(--color-surface-container) 86%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-outline-variant) 65%, transparent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: var(--space-4);
  height: var(--nav-height);
  justify-content: space-between;
}

.site-header__logo {
  align-items: center;
  display: flex;
  flex-shrink: 0;
  line-height: 0;
  text-decoration: none;
}

.site-header__logo:hover {
  text-decoration: none;
}

.site-header__logo-img {
  display: block;
  height: 52px;
  max-width: min(14rem, 58vw);
  width: auto;
}

.site-nav__toggle {
  align-items: center;
  background-color: transparent;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: none;
  height: 44px;
  justify-content: center;
  padding: 0;
  width: 44px;
}

.site-nav__toggle-icon {
  background-color: var(--color-primary);
  border-radius: 1px;
  display: block;
  height: 2px;
  position: relative;
  width: 20px;
}

.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  background-color: var(--color-primary);
  border-radius: 1px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  width: 20px;
}

.site-nav__toggle-icon::before {
  top: -6px;
}

.site-nav__toggle-icon::after {
  top: 6px;
}

.site-nav__backdrop {
  display: none;
}

.site-nav__list {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: none;
}

.site-nav__link[aria-current="page"] {
  font-weight: var(--font-weight-semibold);
}

/* --- Site footer --- */
.site-footer {
  background:
    linear-gradient(
      165deg,
      var(--color-primary) 0%,
      color-mix(in srgb, var(--color-primary) 78%, var(--color-secondary)) 100%
    );
  color: var(--color-on-primary);
  margin-top: auto;
  padding-block: var(--space-12) var(--space-5);
}

.site-footer a {
  color: color-mix(in srgb, var(--color-on-primary) 92%, transparent);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-footer__grid {
  align-items: start;
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(180px, 1.35fr) repeat(3, minmax(150px, 1fr));
  margin-bottom: var(--space-8);
}

.site-footer__heading {
  color: var(--color-on-primary);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
  position: relative;
}

.site-footer__heading::after {
  background-color: var(--color-accent);
  bottom: calc(var(--space-2) * -1);
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  width: 30px;
}

.site-footer__intro {
  color: color-mix(in srgb, var(--color-on-primary) 84%, transparent);
  font-size: var(--font-size-body-sm);
  line-height: 1.6;
  margin: 0;
  max-width: 22rem;
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__list li {
  font-size: var(--font-size-body-sm);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.site-footer__list li:last-child {
  margin-bottom: 0;
}

.site-footer__list--contact li {
  color: color-mix(in srgb, var(--color-on-primary) 84%, transparent);
}

.site-footer__contact-link {
  display: inline-flex;
}

.site-footer__list a:hover {
  padding-left: 4px;
}

.site-footer__contact-link:hover {
  padding-left: 0;
}

.site-footer__bottom {
  border-top: 1px solid color-mix(in srgb, var(--color-on-primary) 16%, transparent);
  color: color-mix(in srgb, var(--color-on-primary) 72%, transparent);
  padding-top: var(--space-5);
  text-align: center;
}

.site-footer__bottom p {
  margin: 0;
}

/* --- Homepage (Story 1.4) --- */
.hero {
  align-items: center;
  background:
    linear-gradient(
      to bottom,
      color-mix(in srgb, var(--color-primary) 58%, transparent) 0%,
      color-mix(in srgb, var(--color-primary) 42%, transparent) 55%,
      color-mix(in srgb, var(--color-background) 92%, transparent) 100%
    ),
    url("/assets/img/hero/hero-bg.png") center / cover no-repeat;
  color: var(--color-on-primary);
  display: flex;
  min-height: clamp(320px, 54.5vw, 558px);
  padding-block: var(--space-10);
  text-align: center;
}

.hero__content {
  margin-inline: auto;
  max-width: 48rem;
}

.hero__content h1 {
  color: var(--color-on-primary);
  font-size: clamp(1.75rem, 4.2vw, 2.625rem);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 12px color-mix(in srgb, var(--color-primary) 85%, transparent);
}

.hero__subline {
  color: color-mix(in srgb, var(--color-on-primary) 92%, transparent);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.5;
  margin-bottom: var(--space-6);
  text-shadow: 0 1px 8px color-mix(in srgb, var(--color-primary) 80%, transparent);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.btn--on-dark {
  background-color: transparent;
  border-color: var(--color-on-primary);
  color: var(--color-on-primary);
}

.btn--on-dark:hover {
  background-color: color-mix(in srgb, var(--color-on-primary) 12%, transparent);
}

.page-section-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.page-section-header h2 {
  margin-bottom: 0;
}

.page-section-intro {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
  margin: var(--space-3) auto 0;
  max-width: 45rem;
}

.trust-metrics {
  margin-top: calc(var(--space-6) * -1);
  padding-block: var(--space-10) var(--space-8);
  position: relative;
}

.trust-metrics::before {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface) 75%, transparent),
    transparent
  );
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.trust-metrics .container {
  position: relative;
  z-index: 1;
}

.trust-metrics__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.trust-metrics__grid > li {
  min-width: 0;
}

.trust-metric {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: color-mix(in srgb, var(--color-surface-container) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 75%, transparent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  min-width: 0;
  padding: var(--space-6);
  text-align: center;
}

.trust-metric--qualitative .trust-metric__value {
  font-size: var(--font-size-headline-sm);
  line-height: var(--line-height-headline-sm);
  overflow-wrap: break-word;
}

.why-choose__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.why-choose__grid .card {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background-color: color-mix(in srgb, var(--color-surface-container) 94%, transparent);
  border-bottom: 4px solid transparent;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.why-choose__grid .card:hover {
  border-bottom-color: var(--color-accent);
  transform: translateY(-4px);
}

/* --- Inner pages (Story 1.5) --- */
.breadcrumb {
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-header__lead {
  color: var(--color-on-surface-variant);
  margin-top: var(--space-4);
  max-width: 48rem;
}

.page-content {
  margin-bottom: var(--space-8);
  max-width: 48rem;
}

.page-content h2 {
  font-size: var(--font-size-headline-sm);
  margin-bottom: var(--space-4);
}

.entity-block {
  margin-top: var(--space-4);
}

.breadcrumbs {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: color-mix(in srgb, var(--color-surface) 72%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-outline-variant) 45%, transparent);
  font-size: var(--font-size-body-sm);
  padding-block: var(--space-4);
}

.breadcrumbs a {
  color: var(--color-on-surface-variant);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs span {
  color: var(--color-outline);
  margin-inline: var(--space-2);
}

.page-title {
  font-size: var(--font-size-headline-md);
  line-height: var(--line-height-headline-md);
  margin-bottom: 0;
}

.contact-page-intro {
  margin-top: var(--space-3);
}

.contact-page,
.about-page {
  padding-block: var(--section-y-mobile);
}

.about-intro-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  min-width: 0;
}

.about-intro-content,
.about-intro-visual {
  min-width: 0;
}

.about-intro-visual {
  align-items: stretch;
  background-color: var(--color-surface-variant);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  min-height: min(52vw, 360px);
  order: -1;
  overflow: hidden;
  padding: 0;
  width: 100%;
}

.about-intro-visual__img {
  display: block;
  height: 100%;
  min-height: min(52vw, 360px);
  object-fit: cover;
  object-position: center;
  width: 100%;
}

@media (min-width: 768px) {
  .about-intro-grid {
    align-items: stretch;
    display: grid;
    gap: var(--space-10);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }

  .about-intro-content .page-title {
    text-align: left;
  }

  .about-intro-visual {
    min-height: 480px;
    order: 0;
  }

  .about-intro-visual__img {
    min-height: 480px;
  }
}

@media (min-width: 1024px) {
  .about-intro-visual {
    min-height: 560px;
  }

  .about-intro-visual__img {
    min-height: 560px;
  }
}

.about-intro-content .page-title {
  margin-bottom: var(--space-4);
  text-align: center;
}

.about-intro-lead {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-lg);
  line-height: var(--line-height-body-lg);
  margin-bottom: var(--space-4);
}

.about-intro-content p {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin-bottom: var(--space-4);
}

.about-intro-address {
  color: var(--color-on-surface);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
}

.about-section--alt {
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--color-surface) 85%, transparent),
      color-mix(in srgb, var(--color-surface-dim) 35%, transparent)
    );
  border-block: 1px solid color-mix(in srgb, var(--color-outline-variant) 35%, transparent);
}

.about-features__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

.about-features__grid .card--feature {
  border-bottom: 4px solid transparent;
  box-shadow: var(--shadow-card);
  min-width: 0;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.about-features__grid .card--feature:hover {
  border-bottom-color: var(--color-accent);
  transform: translateY(-4px);
}

.about-stats-intro {
  max-width: 50rem;
}

.about-cta {
  margin-top: var(--space-8);
  text-align: center;
}

.contact-wrapper {
  align-items: stretch;
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr 2fr;
}

.contact-wrapper > * {
  min-width: 0;
}

.contact-info-card,
.contact-form-container {
  display: flex;
  flex-direction: column;
}

.contact-info-card {
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-on-primary);
  padding: var(--space-8);
}

.contact-info-card a {
  color: var(--color-on-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-info-card a:hover {
  color: var(--color-accent);
}

.contact-info-item {
  margin-bottom: var(--space-6);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item__label {
  color: var(--color-accent);
  font-size: var(--font-size-body-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-body-lg);
  margin-bottom: var(--space-2);
}

.contact-info-item p {
  color: color-mix(in srgb, var(--color-on-primary) 92%, transparent);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
}

.panel-title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  line-height: var(--line-height-headline-sm);
  margin-bottom: var(--space-6);
}

.contact-info-card .panel-title {
  color: var(--color-on-primary);
}

.rfq {
  padding-block: 0;
}

.rfq__intro {
  margin-bottom: var(--space-6);
}

.rfq__form {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0;
}

.rfq__row {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr 1fr;
}

.rfq__field {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.rfq__field--grow {
  display: flex;
  flex: 1;
  flex-direction: column;
  margin-bottom: var(--space-4);
}

.rfq__field label {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
}

.rfq__control {
  background-color: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  color: var(--color-on-surface);
  font: inherit;
  min-height: 44px;
  padding: var(--space-3) var(--space-4);
  width: 100%;
}

.rfq__field--grow .rfq__control {
  flex: 1;
  min-height: 120px;
  resize: vertical;
}

.rfq__control:focus-visible {
  border-color: var(--color-primary);
  outline: var(--focus-ring-width) solid var(--color-primary);
  outline-offset: var(--focus-ring-offset);
}

.rfq__submit {
  font-size: var(--font-size-body-lg);
  margin-top: var(--space-2);
  width: 100%;
}

/* --- Form alerts & honeypot --- */
.form-alert {
  background-color: var(--color-surface-dim);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-error);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
}

.honeypot {
  display: none !important;
}

.rfq-thankyou {
  background-color: var(--color-surface-dim);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
}

.rfq-thankyou__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  margin-bottom: var(--space-3);
}

/* --- Products page (Story 3.1) --- */
.products-page {
  padding-block: var(--section-y-mobile);
}

.product-category {
  margin-top: var(--space-12);
}

.product-category:first-of-type {
  margin-top: var(--space-8);
}

.product-list--cols-3 {
  align-items: stretch;
}

.product-category__header {
  margin-bottom: var(--space-6);
}

.product-category__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-md);
  line-height: var(--line-height-headline-md);
  margin: 0 0 var(--space-2);
}

.product-category__intro {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  margin: 0;
  max-width: 52rem;
}

.product-card__meta {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  text-align: left;
  width: 100%;
}

.product-card__meta-row {
  display: grid;
  gap: var(--space-1);
  grid-template-columns: 1fr;
}

.product-card__meta dt {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label-md);
  margin: 0;
}

.product-card__meta dd {
  color: var(--color-on-surface);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin: 0;
}

@media (min-width: 480px) {
  .product-card__meta-row {
    grid-template-columns: 7.5rem 1fr;
    gap: var(--space-3);
  }
}

.products-page__sds-note {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin-top: var(--space-3);
}

.product-list {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  list-style: none;
  margin: 0;
  padding: 0;
}

.product-list > li {
  display: flex;
}

.product-card {
  align-items: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background-color: color-mix(in srgb, var(--color-surface-container) 94%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 75%, transparent);
  border-radius: var(--radius-lg);
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
  padding: var(--space-6);
  text-align: center;
}

.product-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.product-card--list-only {
  background-color: var(--color-surface);
  opacity: 0.95;
}

.product-card__header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  width: 100%;
}

.product-card__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  line-height: var(--line-height-headline-sm);
  margin: 0;
}

.product-card__body {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin: 0;
}

.product-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.product-card__chip {
  background-color: var(--color-surface-dim);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label-md);
  padding: var(--space-1) var(--space-3);
}

.product-card__action {
  display: flex;
  justify-content: center;
  margin: auto 0 0;
  width: 100%;
}

.badge--phase2 {
  background-color: var(--color-surface-dim);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface-variant);
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-page {
    padding-block: var(--section-y);
  }

  .product-category__header {
    border-bottom: 1px solid var(--color-outline-variant);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    text-align: left;
  }

  .product-category__intro {
    max-width: none;
  }

  .product-list,
  .product-list--cols-3 {
    gap: var(--space-6);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-list--cols-3 > li {
    min-width: 0;
  }

  .product-card {
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-8);
    text-align: left;
  }

  .product-card__header {
    border-bottom: 1px solid var(--color-outline-variant);
    justify-content: flex-start;
    margin-bottom: var(--space-1);
    padding-bottom: var(--space-3);
  }

  .product-card__title {
    font-size: var(--font-size-headline-md);
    line-height: var(--line-height-headline-md);
  }

  .product-card__meta-row {
    grid-template-columns: 6.75rem 1fr;
  }

  .product-card__action {
    justify-content: flex-start;
    margin-top: auto;
    padding-top: var(--space-2);
  }
}

/* --- Product detail pages (parity with titantitanium product-mix-p75) --- */
body.page-product-detail {
  background-color: var(--color-surface-container);
}

.breadcrumbs--product {
  background-color: var(--color-surface);
  font-size: var(--font-size-body-sm);
  padding-block: 20px;
}

.product-detail-page.section {
  background-color: var(--color-surface-container);
  padding-block: 40px;
}

.contact-wrapper.product-hero-layout {
  align-items: stretch;
  gap: 40px;
  grid-template-columns: 1fr 1fr;
}

.product-hero-image {
  align-items: center;
  aspect-ratio: 6 / 5;
  background-color: #eee;
  border: 0;
  border-radius: var(--radius-md);
  cursor: default;
  display: flex;
  justify-content: center;
  max-height: 500px;
  overflow: hidden;
  padding: 0;
  width: 100%;
}

.product-hero-image--zoomable {
  cursor: zoom-in;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.product-hero-image--zoomable:hover,
.product-hero-image--zoomable:focus-visible {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 35%, transparent);
  transform: translateY(-1px);
}

.product-hero-image--zoomable:focus-visible {
  outline: none;
}

.product-hero-image img {
  border-radius: var(--radius-md);
  display: block;
  height: 100%;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.product-hero-image.is-placeholder::after {
  color: #999;
  content: attr(data-sku) " - product image";
  font-weight: var(--font-weight-bold);
  padding: 20px;
  text-align: center;
}

/* --- Product image lightbox --- */
.product-image-lightbox {
  align-items: center;
  display: flex;
  inset: 0;
  justify-content: center;
  padding: var(--space-5);
  position: fixed;
  z-index: 2100;
}

.product-image-lightbox[hidden] {
  display: none !important;
}

.product-image-lightbox__backdrop {
  background: color-mix(in srgb, var(--color-primary) 62%, transparent);
  inset: 0;
  position: absolute;
}

.product-image-lightbox__dialog {
  background-color: var(--color-surface-container);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  max-height: min(92vh, 960px);
  max-width: min(96vw, 1200px);
  overflow: auto;
  padding: var(--space-4);
  position: relative;
  width: 100%;
}

.product-image-lightbox__close {
  background: transparent;
  border: 0;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  font-size: 1.75rem;
  line-height: 1;
  padding: var(--space-2);
  position: absolute;
  right: var(--space-2);
  top: var(--space-2);
  z-index: 1;
}

.product-image-lightbox__close:hover,
.product-image-lightbox__close:focus-visible {
  color: var(--color-primary);
}

.product-image-lightbox__img {
  display: block;
  height: auto;
  margin-inline: auto;
  max-height: calc(min(92vh, 960px) - var(--space-8));
  max-width: 100%;
  object-fit: contain;
  width: auto;
}

body.product-image-lightbox-open {
  overflow: hidden;
}

.product-detail h1 {
  color: var(--color-primary);
  font-size: 36px;
  font-weight: var(--font-weight-bold);
  letter-spacing: normal;
  line-height: 1.2;
  margin: 10px 0 16px;
}

.product-tag {
  background-color: var(--color-surface);
  border-radius: 20px;
  color: var(--color-primary);
  display: inline-block;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  padding: 4px 12px;
  text-transform: uppercase;
}

.product-detail .quick-answer {
  margin-bottom: var(--space-5);
}

.product-applications {
  margin-bottom: 20px;
}

.product-applications h3 {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 12px;
}

.product-applications ul {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  list-style: disc;
  margin: 0;
  padding-left: 20px;
}

.product-applications li {
  margin-bottom: 4px;
}

.product-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.product-cta-row .btn {
  border-radius: var(--radius-sm);
  flex: 1 1 0;
  min-width: 12rem;
  padding: 12px 30px;
  text-align: center;
}

.product-cta-row .btn--secondary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-accent);
}

.product-cta-row .btn--secondary:hover {
  background-color: var(--color-accent);
  filter: brightness(0.92);
  text-decoration: none;
}

.product-cta-row .btn--outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.product-cta-row .btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  text-decoration: none;
}

.product-detail-page .section-title {
  color: var(--color-primary);
  font-size: 28px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  margin-bottom: 20px;
}

.product-detail-page .container {
  min-width: 0;
}

.product-page-block {
  margin-top: 48px;
  min-width: 0;
}

.product-page-block .table-container {
  -webkit-overflow-scrolling: touch;
  margin: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  width: 100%;
}

.product-detail-page .data-table {
  border-collapse: collapse;
  font-size: var(--font-size-body-md);
  min-width: 36rem;
  width: 100%;
}

.product-page-block--tight {
  margin-top: 40px;
}

.product-detail-page .data-table th,
.product-detail-page .data-table td {
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 15px;
  text-align: left;
}

.product-detail-page .data-table th {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: normal;
  text-transform: none;
}

.product-detail-page .data-table tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

.product-detail__back {
  font-size: var(--font-size-body-sm);
  margin: 40px 0 0;
}

.product-detail__back a {
  color: var(--color-primary);
  text-decoration: none;
}

.product-detail__back a:hover {
  text-decoration: underline;
}

.product-detail__callout {
  background-color: var(--color-surface-container);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
}

.product-detail__callout strong {
  color: var(--color-secondary);
  display: block;
  font-size: var(--font-size-headline-sm);
  margin-bottom: var(--space-2);
}

.product-detail__callout p {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  margin: 0;
}

.product-detail__callout p + p {
  margin-top: var(--space-4);
}

.product-detail__downloads {
  margin-top: var(--space-4);
}

.product-detail__applications {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  margin-top: var(--space-4);
}

.product-detail__rfq {
  background-color: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.product-detail__rfq p {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  margin: 0 0 var(--space-4);
}

.product-detail__rfq p:last-child {
  margin-bottom: 0;
}

/* --- FAQ page (Story 5.1) --- */
.faq-page .page-section-header {
  margin-bottom: var(--space-8);
}

.faq-list {
  list-style: none;
  margin: 0 auto;
  max-width: 48rem;
  padding: 0;
}

.faq-item {
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  overflow: hidden;
  scroll-margin-top: var(--nav-height);
}

.faq-item__trigger {
  align-items: center;
  background-color: var(--color-surface-container);
  border: none;
  color: var(--color-on-surface);
  cursor: pointer;
  display: flex;
  font-family: inherit;
  font-size: var(--font-size-body-md);
  font-weight: var(--font-weight-semibold);
  gap: var(--space-4);
  justify-content: space-between;
  line-height: var(--line-height-body-md);
  padding: var(--space-4) var(--space-6);
  text-align: left;
  width: 100%;
}

.faq-item__trigger::after {
  color: var(--color-primary);
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.faq-item__trigger[aria-expanded="true"]::after {
  content: "\2212";
}

.faq-item__trigger:hover {
  filter: brightness(0.98);
}

.faq-item__trigger:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq-item__panel {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-outline-variant);
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.faq-item__panel[hidden] {
  display: none;
}

.faq-item__panel p {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-md);
  line-height: var(--line-height-body-md);
  margin: 0 0 var(--space-4);
}

.faq-item__panel p:last-child {
  margin-bottom: 0;
}

.faq-item__panel .quick-answer {
  margin-bottom: var(--space-4);
}

@media (prefers-reduced-motion: no-preference) {
  .faq-item__panel {
    transition: opacity 0.15s ease;
  }
}

/* --- Download page (Story 2.2) --- */
.download-page__inner,
.compliance-page__inner {
  max-width: 56rem;
}

.doc-download-list {
  list-style: none;
  margin: 0;
  max-width: 56rem;
  padding: 0;
}

.doc-download-item {
  align-items: center;
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  justify-content: space-between;
  padding: var(--space-6) 0;
}

.doc-download-item:first-child {
  border-top: 1px solid var(--color-outline-variant);
}

.doc-download-item__info {
  flex: 1 1 12rem;
  min-width: 0;
}

.doc-download-item__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  line-height: var(--line-height-headline-sm);
  margin-block: var(--space-2) var(--space-3);
}

.doc-download-item__meta {
  display: grid;
  gap: var(--space-3);
}

.doc-download-item__meta-row {
  display: grid;
  gap: var(--space-1);
}

.doc-download-item__meta-row dt {
  color: var(--color-tertiary);
  font-size: var(--font-size-label-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-label-md);
  text-transform: uppercase;
}

.doc-download-item__meta-row dd {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin: 0;
}

.doc-download-item__action {
  flex-shrink: 0;
}

/* --- SDS request modal --- */
.sds-request-modal {
  align-items: center;
  display: flex;
  inset: 0;
  justify-content: center;
  padding: var(--space-5);
  position: fixed;
  z-index: 2000;
}

.sds-request-modal[hidden] {
  display: none !important;
}

.sds-request-modal__backdrop {
  background: color-mix(in srgb, var(--color-primary) 55%, transparent);
  inset: 0;
  position: absolute;
}

.sds-request-modal__dialog {
  background-color: var(--color-surface-container);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  max-height: min(90vh, 720px);
  max-width: 32.5rem;
  overflow-y: auto;
  padding: var(--space-6);
  position: relative;
  width: 100%;
  z-index: 1;
}

.sds-request-modal__close {
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-tertiary);
  cursor: pointer;
  font-size: 1.75rem;
  height: 2.25rem;
  line-height: 1;
  position: absolute;
  right: var(--space-3);
  top: var(--space-3);
  width: 2.25rem;
}

.sds-request-modal__close:hover,
.sds-request-modal__close:focus-visible {
  background-color: var(--color-surface-dim);
  color: var(--color-primary);
}

.sds-request-modal__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  margin: 0 2.25rem var(--space-3) 0;
}

.sds-request-modal__intro {
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body-sm);
  margin-bottom: var(--space-4);
}

.sds-form-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr 1fr;
}

.sds-request-form .sds-request-submit {
  margin-top: var(--space-4);
  width: 100%;
}

.sds-request-thankyou {
  padding: var(--space-4) 0;
  text-align: center;
}

.sds-request-thankyou__title {
  color: var(--color-primary);
  font-size: var(--font-size-headline-sm);
  margin-bottom: var(--space-3);
}

body.sds-modal-open {
  overflow: hidden;
}

/* --- Utilities --- */
.visually-hidden {
  border: 0;
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* --- Responsive --- */
@media (max-width: 1023px) {
  .trust-metrics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .site-nav__list {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 767px) {
  html,
  body,
  .table-scroll,
  .product-page-block .table-container,
  .sds-request-modal {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  html::-webkit-scrollbar,
  body::-webkit-scrollbar,
  .table-scroll::-webkit-scrollbar,
  .product-page-block .table-container::-webkit-scrollbar,
  .sds-request-modal::-webkit-scrollbar {
    display: none;
    height: 0;
    width: 0;
  }

  h1 {
    font-size: var(--font-size-display-lg-mobile);
    line-height: var(--line-height-display-lg-mobile);
  }

  .container {
    padding-inline: var(--gutter-mobile);
  }

  .section {
    padding-block: var(--section-y-mobile);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-footer__intro {
    max-width: none;
  }

  .site-nav__toggle {
    display: inline-flex;
  }

  .site-header--nav-open .site-nav__backdrop {
    background-color: color-mix(in srgb, var(--color-on-background) 40%, transparent);
    display: block;
    inset: 0;
    position: fixed;
    top: var(--nav-height);
    z-index: 90;
  }

  .site-nav {
    background-color: var(--color-surface-container);
    border-bottom: 1px solid var(--color-outline-variant);
    box-shadow: var(--shadow-card);
    display: none;
    left: 0;
    position: fixed;
    right: 0;
    top: var(--nav-height);
    z-index: 95;
  }

  .site-header--nav-open .site-nav {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding-block: var(--space-2);
  }

  .site-nav__link {
    display: block;
    padding: var(--space-3) var(--gutter-mobile);
  }

  .hero {
    min-height: clamp(280px, 58vw, 480px);
    padding-block: var(--space-8);
  }

  .trust-metrics {
    padding-block: var(--space-6);
  }

  .trust-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-section-header {
    margin-bottom: var(--space-6);
  }

  .about-intro-content .page-title {
    text-align: center;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .contact-wrapper.product-hero-layout {
    gap: var(--space-6);
    grid-template-columns: 1fr;
  }

  .product-detail {
    min-width: 0;
  }

  .product-detail h1 {
    font-size: 30px;
  }

  .product-detail-page .section-title {
    font-size: 24px;
  }

  .product-cta-row .btn {
    flex: 1 1 100%;
    min-width: 0;
  }

  .rfq__row {
    grid-template-columns: 1fr;
  }

  .contact-form-container .rfq__field--grow {
    display: grid;
    flex: none;
  }

  .rfq__field--grow .rfq__control {
    min-height: 120px;
  }

  .doc-download-item {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .doc-download-item__action {
    width: 100%;
  }

  .sds-form-grid {
    grid-template-columns: 1fr;
  }

  .sds-request-modal {
    align-items: flex-end;
    padding: var(--space-3);
  }

  .sds-request-modal__dialog {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: min(82dvh, 560px);
    padding: var(--space-4);
  }
}

@media (max-width: 479px) {
  .hero__ctas .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .why-choose__grid .card,
  .about-features__grid .card--feature {
    transition: none;
  }

  .why-choose__grid .card:hover,
  .about-features__grid .card--feature:hover {
    transform: none;
  }
}
