/* ==========================================================================
   Hubei Hongying Guardrail Co., Ltd. — site 3
   Identity: deep navy + warm amber, editorial / magazine.
   Wide intro block, serif display headings, numbered guide blocks,
   hairline-ruled comparison tables, captioned product plates.
   No external fonts, no CDN, no framework. All tokens in :root.
   ========================================================================== */

:root {
  /* palette */
  --navy-900: #0a1220;
  --navy-800: #101d31;
  --navy-700: #172a45;
  --navy: #1b3050;
  --amber: #b8832a;
  --amber-bright: #dda63c;
  --amber-pale: #f6ecd8;
  --paper: #faf6ed;
  --paper-2: #f2ebdc;
  --paper-3: #ffffff;
  --ink: #191d24;
  --ink-soft: #4c5563;
  --ink-faint: #7b838f;
  --rule: #d8cfbc;
  --rule-soft: #e7dfcf;
  --on-dark: #f4ecdd;
  --on-dark-soft: #b9b3a4;

  /* type */
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Microsoft YaHei", "PingFang SC", sans-serif;

  /* layout */
  --wide: 1200px;
  --measure: 68ch;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --header-h: 76px;

  /* misc */
  --shadow: 0 18px 40px -28px rgba(10, 18, 32, 0.55);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --------------------------------------------------------------- reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--amber);
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
}

strong {
  font-weight: 700;
  color: var(--navy-900);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  background: var(--navy-900);
  color: var(--on-dark);
  padding: 0.7rem 1.1rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: top 0.18s var(--ease);
}

.skip-link:focus {
  top: 0.6rem;
  color: var(--on-dark);
}

/* --------------------------------------------------------- utility bar --- */
.utility {
  background: var(--navy-900);
  color: var(--on-dark-soft);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.utility__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.4rem;
  min-height: 42px;
  padding-block: 0.35rem;
}

.utility__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.utility__list a {
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 236, 221, 0.25);
  padding-bottom: 1px;
}

.utility__list a:hover {
  color: var(--amber-bright);
  border-bottom-color: var(--amber-bright);
}

.utility__claim {
  color: var(--on-dark-soft);
  margin: 0;
}

.utility__claim::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  margin-right: 0.55rem;
  vertical-align: middle;
  background: var(--amber);
}

.utility__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.lang a,
.lang span {
  color: var(--on-dark-soft);
  text-decoration: none;
  text-transform: uppercase;
}

.lang a:hover {
  color: var(--amber-bright);
}

.lang .is-active {
  color: var(--paper);
  font-weight: 700;
  border-bottom: 1px solid var(--amber);
}

/* ----------------------------------------------------------- masthead ---- */
.mast {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--paper);
  border-bottom: 2px solid var(--navy-900);
  transition: box-shadow 0.22s var(--ease), background 0.22s var(--ease);
}

.mast.is-stuck {
  background: var(--paper-3);
  box-shadow: 0 10px 24px -20px rgba(10, 18, 32, 0.7);
}

.mast__row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--navy-900);
  margin-right: auto;
}

.brand__mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--serif);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--navy-900);
}

.brand__sub {
  font-size: 0.63rem;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.25rem;
}

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

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  position: relative;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-block: 0.35rem;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: width 0.2s var(--ease);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__link.is-active {
  color: var(--navy-900);
}

.mast__cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--rule);
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background: var(--navy-900);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle span {
  top: 50%;
  transform: translate(-50%, -50%);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  left: 0;
  transform: translateY(-6px);
}

.nav-toggle span::after {
  transform: translateY(6px);
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: rotate(-45deg);
}

/* ------------------------------------------------------------- buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.35rem;
  font-family: var(--sans);
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--navy-900);
  background: var(--navy-900);
  color: var(--paper);
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
  cursor: pointer;
}

.btn:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy-900);
}

.btn--sm {
  padding: 0.58rem 0.95rem;
  font-size: 0.72rem;
}

.btn--ghost {
  background: transparent;
  color: var(--navy-900);
}

.btn--ghost:hover {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--paper);
}

.btn--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy-900);
}

.btn--amber:hover {
  background: var(--amber-bright);
  border-color: var(--amber-bright);
}

.btn--outline-light {
  background: transparent;
  border-color: var(--on-dark);
  color: var(--on-dark);
}

.btn--outline-light:hover {
  background: var(--on-dark);
  border-color: var(--on-dark);
  color: var(--navy-900);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* --------------------------------------------------------- breadcrumbs --- */
.crumbs {
  padding-block: 1.1rem 0;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.crumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--rule);
}

.crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--amber);
}

/* --------------------------------------------------------- intro block --- */
.intro {
  border-bottom: 1px solid var(--rule);
  padding-block: clamp(2rem, 5vw, 3.6rem) clamp(2rem, 4vw, 3rem);
}

.intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--amber);
  flex: 0 0 auto;
}

.intro__title {
  font-size: clamp(2.15rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.03;
  margin-bottom: 1.15rem;
}

.intro__title em {
  font-style: normal;
  box-shadow: inset 0 -0.32em 0 var(--amber-pale);
}

.intro__lead {
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  line-height: 1.68;
  color: var(--ink-soft);
  max-width: var(--measure);
}

.intro__covers {
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  max-width: var(--measure);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.intro__covers b {
  color: var(--navy-900);
}

.masthead-facts {
  border-left: 1px solid var(--rule);
  padding-left: clamp(1.1rem, 2.5vw, 1.8rem);
}

.masthead-facts__label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1rem;
}

.factlist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.factlist li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-block: 0.72rem;
  border-top: 1px solid var(--rule-soft);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.factlist li:first-child {
  border-top: 0;
}

.factlist b {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy-900);
  min-width: 4.6rem;
  letter-spacing: -0.01em;
}

/* -------------------------------------------------------- section shell -- */
.section {
  padding-block: clamp(2.2rem, 5vw, 3.5rem);
}

.section--tint {
  background: var(--paper-2);
  border-block: 1px solid var(--rule-soft);
}

.section-head {
  max-width: var(--measure);
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

.section-head p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ----------------------------------------------------------- band head --- */
.band + .band {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.5rem 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--navy-900);
  margin-bottom: 1.5rem;
}

.band__index {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--amber);
  line-height: 1;
  padding-bottom: 0.35rem;
}

.band__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.1;
}

.band__count {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 0.35rem;
}

.band__note {
  flex: 1 0 100%;
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* -------------------------------------------------------- product grid --- */
.pgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.1rem, 2.6vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pcard {
  display: flex;
  flex-direction: column;
  background: transparent;
}

.pcard__media {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
}

.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.pcard:hover .pcard__media img {
  transform: scale(1.035);
}

.pcard__body {
  padding-top: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.pcard__name {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  line-height: 1.25;
}

.pcard__name a {
  color: var(--navy-900);
  text-decoration: none;
}

.pcard__name a:hover {
  color: var(--amber);
}

.pcard__line {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0 0 0.85rem;
}

.pcard__link {
  margin-top: auto;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.pcard__link:hover {
  color: var(--navy-900);
}

/* ------------------------------------------------------- anchor chips ---- */
.quicknav {
  border-block: 2px solid var(--navy-900);
  padding-block: 1.35rem;
  background: var(--paper-3);
}

.quicknav__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  margin-bottom: 0.95rem;
}

.quicknav__head h2 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.quicknav__head span {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.52rem 0.95rem;
  border: 1px solid var(--amber);
  background: transparent;
  color: var(--navy-900);
  font-size: 0.82rem;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.chip b {
  font-family: var(--serif);
  font-size: 0.78rem;
  color: var(--amber);
  font-weight: 700;
}

.chip:hover {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--paper);
}

.chip:hover b {
  color: var(--amber-bright);
}

/* ------------------------------------------------------------- guide ----- */
.guide {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

.guide__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  margin-bottom: 0.5rem;
}

.guide__head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
}

.guide__head p {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.block {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.5rem 2rem;
  padding-block: clamp(1.5rem, 3.5vw, 2.4rem);
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 14px);
}

.block:first-of-type {
  border-top: 2px solid var(--navy-900);
}

.block__num {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 3.5rem);
  line-height: 0.85;
  color: var(--amber);
  letter-spacing: -0.03em;
  position: relative;
  padding-top: 0.1rem;
}

.block__num::after {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  background: var(--navy-900);
  margin-top: 0.7rem;
}

.block__body {
  min-width: 0;
}

.block__title {
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  margin-bottom: 0.7rem;
}

.block__body p {
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.block__body p strong {
  color: var(--navy-900);
}

.block__kicker {
  display: block;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

/* ------------------------------------------------------------- tables ---- */
.table-wrap {
  margin-top: 1.3rem;
  overflow-x: auto;
  border-top: 2px solid var(--navy-900);
  border-bottom: 1px solid var(--navy-900);
}

.cmp {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.cmp caption {
  caption-side: top;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 0.6rem;
}

.cmp th,
.cmp td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}

.cmp tbody tr:last-child th,
.cmp tbody tr:last-child td {
  border-bottom: 0;
}

.cmp thead th {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-900);
  background: var(--paper-2);
  border-bottom: 1px solid var(--navy-900);
}

.cmp tbody th {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy-900);
  width: 26%;
}

.cmp td {
  color: var(--ink-soft);
}

.cmp tbody tr:hover td,
.cmp tbody tr:hover th {
  background: rgba(184, 131, 42, 0.06);
}

.cmp code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.85em;
  background: var(--amber-pale);
  padding: 0.05em 0.3em;
  color: var(--navy-900);
}

/* ------------------------------------------------- gallery (detail pages) */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.6rem;
}

.gallery [data-gallery-thumb] {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.18s var(--ease), border-color 0.18s var(--ease);
}

.gallery [data-gallery-thumb]:hover {
  opacity: 1;
  border-color: var(--amber);
}

.gallery [data-gallery-thumb].is-active {
  opacity: 1;
  border: 2px solid var(--amber);
}

/* --------------------------------------------------------------- faq ---- */
.faq {
  margin-top: 1.3rem;
  border-top: 1px solid var(--rule);
}

.faq__item {
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--rule-soft);
}

.faq dt {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 0.35rem;
}

.faq dt::before {
  content: "Q";
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-right: 0.55rem;
  vertical-align: 0.18em;
}

.faq dd {
  margin: 0 0 0 1.5rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* ------------------------------------------------------------ cta band --- */
.cta {
  background: var(--navy-900);
  color: var(--on-dark);
  scroll-margin-top: calc(var(--header-h) + 14px);
  padding-block: clamp(2.4rem, 5vw, 4rem);
  border-top: 6px solid var(--amber);
}

.cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.cta h2 {
  color: var(--paper);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  margin-bottom: 0.8rem;
}

.cta p {
  color: var(--on-dark-soft);
  max-width: 58ch;
  font-size: 0.97rem;
}

.cta__eyebrow {
  color: var(--amber-bright);
}

/* kicker text keeps its accent inside copy blocks that set their own colour */
.section-head p.eyebrow,
.guide__head p.eyebrow,
.intro p.eyebrow,
.block__body p.eyebrow {
  color: var(--amber);
}

.cta p.eyebrow {
  color: var(--amber-bright);
  max-width: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.cta__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(244, 236, 221, 0.2);
}

.cta__list li {
  border-bottom: 1px solid rgba(244, 236, 221, 0.2);
}

.cta__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding-block: 0.85rem;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.08rem;
}

.cta__list a:hover {
  color: var(--amber-bright);
}

.cta__list span {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

/* -------------------------------------------------------------- footer --- */
.foot {
  background: var(--navy-800);
  color: var(--on-dark-soft);
  font-size: 0.88rem;
  padding-block: clamp(2.2rem, 4vw, 3rem) 1.4rem;
}

.foot__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 0.85fr 1.25fr;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(244, 236, 221, 0.16);
}

.foot .brand__name,
.foot .brand__sub {
  color: var(--paper);
}

.foot .brand__sub {
  color: var(--on-dark-soft);
}

.foot__note {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  line-height: 1.65;
  max-width: 34ch;
}

.foot h2 {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-bright);
  margin: 0 0 0.9rem;
}

.foot ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.foot li {
  margin-bottom: 0.55rem;
}

.foot a {
  color: var(--on-dark);
  text-decoration: none;
}

.foot a:hover {
  color: var(--amber-bright);
  text-decoration: underline;
}

.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--on-dark-soft);
}

/* ----------------------------------------------------------- back to top -- */
.to-top {
  position: fixed;
  right: clamp(0.9rem, 2.5vw, 1.8rem);
  bottom: clamp(0.9rem, 2.5vw, 1.8rem);
  z-index: 80;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--navy-900);
  background: var(--amber);
  color: var(--navy-900);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease),
    visibility 0.22s var(--ease), background 0.2s var(--ease);
}

.to-top.is-shown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--navy-900);
  color: var(--paper);
}

/* keep in-page targets clear of the sticky masthead */
.intro,
.section,
.quicknav,
.guide,
.block,
.cta {
  scroll-margin-top: calc(var(--header-h) + 14px);
}

/* ----------------------------------------------------------- responsive -- */
@media (max-width: 1080px) {
  .intro__grid,
  .cta__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .masthead-facts {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 1.3rem;
  }

  .foot__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
    order: 3;
  }

  .nav {
    order: 4;
    flex-basis: 100%;
    display: none;
    border-top: 1px solid var(--rule);
  }

  .nav.is-open {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding-block: 0.4rem 1rem;
  }

  .nav__list li {
    width: 100%;
    border-bottom: 1px solid var(--rule-soft);
  }

  .nav__link {
    display: block;
    padding-block: 0.8rem;
  }

  .nav__link::after {
    display: none;
  }

  .mast__row {
    flex-wrap: wrap;
    padding-block: 0.5rem;
  }

  .mast__cta {
    margin-left: auto;
  }

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

  .block {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 0.4rem 1.1rem;
  }

  .block__num {
    font-size: 2.4rem;
  }

  .block__num::after {
    margin-top: 0.5rem;
    width: 24px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 66px;
  }

  .utility__right {
    margin-left: auto;
  }

  .brand__sub {
    display: none;
  }

  .mast__cta .btn {
    padding: 0.5rem 0.72rem;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .utility__claim {
    flex-basis: 100%;
  }

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

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

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

  .block__num {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 2rem;
  }

  .block__num::after {
    margin-top: 0;
    width: 40px;
  }

  .cmp {
    min-width: 480px;
  }

  .faq dd {
    margin-left: 0;
  }

  .cta__list a {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media print {
  .mast,
  .utility,
  .to-top,
  .quicknav {
    display: none;
  }

  body {
    background: #fff;
  }
}

/* ------------------------------------------- product detail page plates ---
   Hero gallery: one framed main plate with a stacked thumbnail column.
   The shared main.js swaps the main image from [data-gallery-thumb]. */
.pgallery {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.pgallery__main {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.pgallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pgallery__side {
  display: grid;
  grid-auto-rows: 1fr;
  gap: 0.6rem;
  margin: 0;
  min-height: 0;
}

.pgallery__side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  cursor: pointer;
  opacity: 0.75;
  transition: opacity 0.18s var(--ease), border-color 0.18s var(--ease);
}

.pgallery__side img:hover {
  opacity: 1;
  border-color: var(--amber);
}

.pgallery__side img.is-active {
  opacity: 1;
  border: 2px solid var(--amber);
}

@media (max-width: 860px) {
  .pgallery {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .pgallery__side img {
    aspect-ratio: 4 / 3;
    height: auto;
  }
}

/* ------------------------------------------ listing page family summary ---
   One ruled line per family on the product listing page. */
.band__summary {
  flex: 1 0 100%;
  margin: 0.55rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
}

/* ------------------------------------------------------- quote policy --- */
.policy {
  margin-top: clamp(1.8rem, 3.5vw, 2.6rem);
  padding-top: 1.3rem;
  border-top: 2px solid var(--navy-900);
}

.policy__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.4rem;
  margin-bottom: 0.9rem;
}

.policy__head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}

.policy__head span {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.policy dl {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--rule-soft);
}

.policy dt {
  padding: 0.75rem 1rem 0.75rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--serif);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy-900);
}

.policy dd {
  margin: 0;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.policy code, .policy-note code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.86em;
  background: var(--amber-pale);
  padding: 0.05em 0.3em;
  color: var(--navy-900);
}

/* ------------------------------------------------------ contact cards --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.1rem, 2.6vw, 1.8rem);
  margin-top: 1.6rem;
}

.contact-card {
  border-top: 2px solid var(--navy-900);
  padding-top: 0.85rem;
}

.contact-card__label {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.contact-card__value {
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--navy-900);
}

.contact-card__value a {
  color: var(--navy-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
}

.contact-card p {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ------------------------------------------------------- inquiry form --- */
.form {
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 2px solid var(--navy-900);
}

.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.2rem;
}

.form__field {
  margin-bottom: 1.1rem;
  min-width: 0;
}

.form__label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-900);
}

.req {
  color: var(--amber);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  font: inherit;
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 0;
  resize: vertical;
}

.form__textarea {
  min-height: 9rem;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--navy-900);
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.form__hint {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--ink-faint);
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.2rem;
}

.form__status {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.form__status.is-ok {
  color: var(--navy-900);
}

.form__status.is-error {
  color: #8f2b1d;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 860px) {
  .policy dl {
    grid-template-columns: minmax(0, 1fr);
  }

  .policy dt {
    padding-bottom: 0.2rem;
    border-bottom: 0;
  }

  .policy dd {
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  .contact-grid,
  .form__row {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ==========================================================================
   Floating contact dock — injected by assets/js/main.js
   Placed last, so it never competes with the rules above. It reuses the
   tokens in :root only: ivory paper, navy, warm amber, serif display,
   hairline rules, no rounded corners. Nothing is rendered without JavaScript;
   a dismissal is remembered by main.js; every class starts with contact-dock.
   Above 900 px the panel sits at the bottom right, clear of the back-to-top
   button; at 900 px and below only the compact launcher is shown.
   ========================================================================== */

.contact-dock {
  position: fixed;
  right: clamp(0.9rem, 2.5vw, 1.8rem);
  bottom: calc(clamp(0.9rem, 2.5vw, 1.8rem) + 58px);
  z-index: 85;
}

.contact-dock[hidden],
.contact-dock__panel[hidden],
.contact-dock__toggle[hidden] {
  display: none;
}

/* ------------------------------------------------- launcher (compact) ---- */
.contact-dock__toggle {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid var(--navy-900);
  background: var(--navy-900);
  color: var(--amber-bright);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.contact-dock__toggle:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy-900);
}

.contact-dock__toggle svg {
  width: 22px;
  height: 22px;
}

/* -------------------------------------------------------------- panel ---- */
.contact-dock__panel {
  position: relative;
  width: 340px;
  max-width: calc(100vw - 2rem);
  max-height: min(74vh, 640px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--amber);
  box-shadow: var(--shadow);
  animation: contact-dock-in 0.2s var(--ease);
}

@keyframes contact-dock-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.contact-dock__head {
  padding-right: 2.1rem;
  margin-bottom: 0.85rem;
}

.contact-dock__title {
  font-size: 1.05rem;
  margin: 0 0 0.3rem;
}

.contact-dock__note {
  margin: 0;
  font-size: 0.79rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.contact-dock__close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease);
}

.contact-dock__close:hover {
  border-color: var(--rule);
  background: var(--paper-2);
  color: var(--navy-900);
}

.contact-dock__close svg {
  width: 16px;
  height: 16px;
}

/* ① e-mail — the primary action */
.contact-dock__mail {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.8rem;
  background: var(--navy-900);
  color: var(--paper);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.contact-dock__mail:hover {
  background: var(--amber);
  color: var(--navy-900);
}

.contact-dock__mail svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--amber-bright);
}

.contact-dock__mail:hover svg {
  color: var(--navy-900);
}

.contact-dock__mail-text {
  display: block;
  font-size: 0.92rem;
  line-height: 1.35;
}

.contact-dock__mail-addr {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--on-dark-soft);
  word-break: break-all;
}

.contact-dock__mail:hover .contact-dock__mail-addr {
  color: var(--navy-700);
}

/* ② quick enquiry — the same form contract, set more compactly */
.contact-dock__mini {
  margin-top: 1rem;
}

.contact-dock__subtitle {
  margin: 0 0 0.2rem;
  font-size: 0.98rem;
}

.contact-dock__lead {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.contact-dock__form {
  margin-top: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.contact-dock__form .form__field {
  margin-bottom: 0.62rem;
}

.contact-dock__form .form__label {
  margin-bottom: 0.26rem;
  font-size: 0.64rem;
  letter-spacing: 0.15em;
}

.contact-dock__form .form__input,
.contact-dock__form .form__textarea {
  padding: 0.5rem 0.6rem;
  font-size: 0.86rem;
}

.contact-dock__form .form__textarea {
  min-height: 4.6rem;
}

.contact-dock__form .form__actions {
  gap: 0.5rem 0.9rem;
}

.contact-dock__form .btn {
  padding: 0.6rem 1.05rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.contact-dock__form .form__status {
  max-width: 30ch;
  font-size: 0.76rem;
  line-height: 1.45;
}

/* ③ phone and WhatsApp — secondary */
.contact-dock__phone {
  margin-top: 0.95rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.contact-dock__label {
  margin-bottom: 0.45rem;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.contact-dock__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.9rem;
}

.contact-dock__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--navy-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
}

.contact-dock__links a:hover {
  color: var(--amber);
}

.contact-dock__links svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.contact-dock :focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ≤900 px: the launcher is the resting state, the panel opens above it */
@media (max-width: 900px) {
  .contact-dock__panel {
    position: absolute;
    right: 0;
    bottom: calc(52px + 0.65rem);
    width: min(340px, calc(100vw - 2rem));
    max-height: 70vh;
  }

  .contact-dock.is-open .contact-dock__toggle {
    background: var(--amber);
    border-color: var(--amber);
    color: var(--navy-900);
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-dock__panel {
    animation: none;
  }

  .contact-dock__toggle,
  .contact-dock__mail,
  .contact-dock__close {
    transition: none;
  }
}

@media print {
  .contact-dock {
    display: none !important;
  }
}

/* ==========================================================================
   Scene landing pages (/scenes/<slug>.html)
   A two-column intro plate only: one framed product photo beside the key
   conditions of the application. Everything else on those pages reuses the
   blocks above — .intro, .block, .cmp, .policy, .faq, .pgrid, .cta, .foot.
   Tokens only: ivory paper, navy, warm amber, serif display, hairline rules,
   no rounded corners, no shadow beyond the shared --shadow.
   ========================================================================== */

.scene-plate {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  align-items: start;
  margin-top: clamp(1.6rem, 3.5vw, 2.4rem);
}

.scene-plate figure {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.scene-plate figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-plate .masthead-facts {
  border-left: 1px solid var(--rule);
  padding-left: clamp(1rem, 2.2vw, 1.6rem);
}

.scene-plate .factlist li {
  font-size: 0.86rem;
}

/* the recommended-configuration plates sit inside a .block__body */
.block__body .pgrid {
  margin-top: 1.3rem;
}

@media (max-width: 860px) {
  .scene-plate {
    grid-template-columns: minmax(0, 1fr);
  }

  .scene-plate .masthead-facts {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 1.2rem;
  }
}