/* 恒固木业 — 工业硬边 / 牛皮纸 / 端木钢印 */
:root {
  --bark: #2C1810;
  --kraft: #F3EDE3;
  --cream: #FAF7F1;
  --sap: #C4A574;
  --ink: #1C1917;
  --moss: #4A6741;
  --rule: #D4C8B4;
  --muted: #6B5E4E;
  --white: #FFFFFF;
  --shadow: 0 1px 0 rgba(44, 24, 16, 0.08);
  --max: 1120px;
  --pad: clamp(1.25rem, 4vw, 2rem);
  --font-display: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* ——— Layout shell ——— */
.wrap {
  width: min(100% - 2 * var(--pad), var(--max));
  margin-inline: auto;
}

.wrap-wide {
  width: min(100% - 2 * var(--pad), 1280px);
  margin-inline: auto;
}

/* ——— Topbar / Header ——— */
.topbar {
  background: var(--bark);
  color: var(--sap);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(196, 165, 116, 0.25);
}

.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 36px;
  flex-wrap: wrap;
}

.topbar a {
  color: var(--sap);
}

.topbar a:hover {
  color: var(--white);
}

.site-header {
  background: var(--cream);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand img,
.brand .brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bark);
}

.brand-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--bark);
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--bark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.55rem 0.85rem;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--bark);
  border-bottom-color: var(--sap);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  background: var(--bark);
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(44, 24, 16, 0.92) 0%, rgba(44, 24, 16, 0.72) 48%, rgba(44, 24, 16, 0.35) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 10vw, 7rem) 0;
  max-width: 38rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sap);
  margin: 0 0 1.25rem;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--sap);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.2;
  letter-spacing: 0.06em;
  margin: 0 0 1.25rem;
  font-weight: 700;
}

.hero-lead {
  font-size: 1.05rem;
  color: rgba(250, 247, 241, 0.88);
  margin: 0 0 2rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.35rem;
  font-size: 14px;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--sap);
  color: var(--bark);
  border-color: var(--sap);
}

.btn-primary:hover {
  background: #d4b88a;
  color: var(--bark);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(250, 247, 241, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  color: var(--white);
}

.btn-dark {
  background: var(--bark);
  color: var(--cream);
  border-color: var(--bark);
}

.btn-dark:hover {
  background: #3d2418;
  color: var(--white);
}

.hero-stats {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(196, 165, 116, 0.28);
  background: rgba(28, 16, 10, 0.35);
  backdrop-filter: blur(4px);
}

.hero-stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(196, 165, 116, 0.22);
}

.stat {
  background: rgba(44, 24, 16, 0.72);
  padding: 1.1rem 1rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  color: var(--sap);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.stat span {
  font-size: 12px;
  color: rgba(250, 247, 241, 0.7);
  letter-spacing: 0.06em;
}

/* ——— Page banner (inner pages) ——— */
.page-banner {
  background: var(--bark);
  color: var(--white);
  border-bottom: 3px solid var(--sap);
}

.page-banner .wrap {
  padding: 2.75rem 0 2.5rem;
}

.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  letter-spacing: 0.08em;
  margin: 0.5rem 0 0.5rem;
}

.page-banner p {
  margin: 0;
  color: rgba(250, 247, 241, 0.78);
  max-width: 36rem;
}

.crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sap);
  text-transform: uppercase;
}

.crumb a {
  color: var(--sap);
}

.crumb a:hover {
  color: var(--white);
}

.crumb span {
  margin: 0 0.4rem;
  opacity: 0.5;
}

/* ——— Sections ——— */
.section {
  padding: clamp(3rem, 7vw, 5rem) 0;
}

.section-alt {
  background: var(--kraft);
}

.section-dark {
  background: var(--bark);
  color: var(--cream);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

.section-dark .section-head {
  border-bottom-color: rgba(196, 165, 116, 0.3);
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

.section-dark .section-kicker {
  color: var(--sap);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.06em;
  margin: 0;
  color: var(--bark);
  line-height: 1.25;
}

.section-dark .section-title {
  color: var(--cream);
}

.section-desc {
  margin: 0.5rem 0 0;
  color: var(--muted);
  max-width: 36rem;
}

.section-dark .section-desc {
  color: rgba(250, 247, 241, 0.72);
}

.link-more {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--bark);
  border-bottom: 1px solid var(--sap);
  padding-bottom: 2px;
  white-space: nowrap;
}

.link-more:hover {
  color: var(--sap);
}

.section-dark .link-more {
  color: var(--sap);
  border-bottom-color: var(--sap);
}

.section-dark .link-more:hover {
  color: var(--white);
}

/* ——— Product cards ——— */
.grid-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.grid-products-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
}

.product-card figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--kraft);
  border-bottom: 1px solid var(--rule);
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product-card:hover img {
  transform: scale(1.03);
}

@media (prefers-reduced-motion: reduce) {
  .product-card:hover img {
    transform: none;
  }
}

.product-body {
  padding: 1.25rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.product-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sap);
  background: var(--bark);
  display: inline-block;
  padding: 0.25rem 0.5rem;
  width: fit-content;
}

.product-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  margin: 0;
  color: var(--bark);
}

.product-body p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  flex: 1;
}

.product-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  padding-top: 0.75rem;
  display: grid;
  gap: 0.35rem;
}

.product-specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 13px;
}

.product-specs .k {
  color: var(--muted);
}

.product-specs .v {
  font-family: var(--font-mono);
  color: var(--ink);
  text-align: right;
}

/* ——— Feature split ——— */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.split-media {
  border: 1px solid var(--rule);
  overflow: hidden;
  background: var(--kraft);
}

.split-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
  color: var(--bark);
  line-height: 1.3;
}

.split-content p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.check-list {
  list-style: none;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.check-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 15px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--sap);
}

/* ——— Process steps ——— */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.process-step {
  background: var(--cream);
  padding: 1.5rem 1.25rem;
}

.process-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sap);
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
  color: var(--bark);
}

.process-step p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ——— News list ——— */
.news-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.news-item {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--rule);
}

.news-item:hover .news-title {
  color: var(--sap);
}

.news-thumb {
  width: 160px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--kraft);
}

.news-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.news-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.4rem;
  color: var(--bark);
  transition: color 0.15s ease;
}

.news-excerpt {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.news-arrow {
  font-family: var(--font-mono);
  color: var(--sap);
  font-size: 14px;
}

/* ——— News cards (index / news page) ——— */
.news-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
}

.news-card figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

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

.news-card-body {
  padding: 1.15rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.news-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
  letter-spacing: 0.03em;
  color: var(--bark);
  line-height: 1.4;
}

.news-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  flex: 1;
}

/* ——— Capability numbers ——— */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(196, 165, 116, 0.3);
  border: 1px solid rgba(196, 165, 116, 0.3);
}

.metric {
  background: var(--bark);
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--sap);
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.metric span {
  display: block;
  margin-top: 0.35rem;
  font-size: 13px;
  color: rgba(250, 247, 241, 0.7);
  letter-spacing: 0.04em;
}

/* ——— Table ——— */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--white);
  border: 1px solid var(--rule);
}

.spec-table th,
.spec-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.spec-table th {
  background: var(--kraft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bark);
  font-weight: 600;
}

.spec-table td {
  color: var(--ink);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table .mono {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ——— Contact blocks ——— */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 1.5rem 1.5rem 1.6rem;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 1rem;
  letter-spacing: 0.05em;
  color: var(--bark);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
}

.contact-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-rows li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
  font-size: 15px;
}

.contact-rows .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding-top: 0.3em;
}

.contact-rows .value {
  color: var(--ink);
}

.contact-rows a {
  border-bottom: 1px solid transparent;
}

.contact-rows a:hover {
  color: var(--bark);
  border-bottom-color: var(--sap);
}

.map-block {
  border: 1px solid var(--rule);
  background:
    linear-gradient(135deg, rgba(196, 165, 116, 0.18) 0%, transparent 50%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(212, 200, 180, 0.55) 27px,
      rgba(212, 200, 180, 0.55) 28px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 27px,
      rgba(212, 200, 180, 0.55) 27px,
      rgba(212, 200, 180, 0.55) 28px
    ),
    var(--kraft);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}

.map-pin {
  background: var(--bark);
  color: var(--cream);
  padding: 1rem 1.25rem;
  max-width: 18rem;
}

.map-pin strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
  color: var(--sap);
}

.map-pin span {
  font-size: 13px;
  color: rgba(250, 247, 241, 0.8);
}

/* ——— CTA strip ——— */
.cta-strip {
  background: var(--sap);
  color: var(--bark);
}

.cta-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.75rem 0;
}

.cta-strip h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
  letter-spacing: 0.05em;
}

.cta-strip p {
  margin: 0;
  font-size: 14px;
  opacity: 0.85;
}

/* ——— Footer ——— */
.site-footer {
  background: var(--bark);
  color: rgba(250, 247, 241, 0.78);
  border-top: 3px solid var(--sap);
  padding: 3rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 36px;
  height: 36px;
}

.footer-brand .brand-name {
  color: var(--cream);
  font-size: 1.1rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sap);
  margin: 0 0 1rem;
  font-weight: 500;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-col a {
  color: rgba(250, 247, 241, 0.78);
  font-size: 14px;
}

.footer-col a:hover {
  color: var(--sap);
}

.footer-col p {
  margin: 0 0 0.5rem;
  font-size: 14px;
  line-height: 1.65;
}

.footer-bottom {
  border-top: 1px solid rgba(196, 165, 116, 0.22);
  padding: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 12px;
  color: rgba(250, 247, 241, 0.5);
}

.footer-bottom .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ——— About timeline ——— */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--sap);
}

.timeline li {
  position: relative;
  padding: 0 0 1.75rem 1.5rem;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.45em;
  width: 10px;
  height: 10px;
  background: var(--bark);
  border: 2px solid var(--sap);
}

.timeline .year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sap);
  margin-bottom: 0.25rem;
}

.timeline h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
  color: var(--bark);
  letter-spacing: 0.03em;
}

.timeline p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ——— Cert badges ——— */
.certs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.cert {
  border: 1px solid var(--rule);
  background: var(--white);
  padding: 1.25rem 1rem;
  text-align: center;
}

.cert strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--bark);
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.cert span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ——— Utility ——— */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.wood-band {
  height: 8px;
  background:
    repeating-linear-gradient(
      90deg,
      #2C1810 0 12px,
      #3d2818 12px 18px,
      #C4A574 18px 22px,
      #a88858 22px 28px
    );
}

/* ——— Responsive ——— */
@media (max-width: 960px) {
  .hero-stats .wrap,
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-products-3,
  .news-cards,
  .process,
  .certs,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .news-item {
    grid-template-columns: 120px 1fr;
  }

  .news-arrow {
    display: none;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--cream);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem var(--pad) 1rem;
    gap: 0;
  }

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

  .nav a {
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--rule);
    min-height: 44px;
  }

  .site-header {
    position: sticky;
  }

  .site-header .wrap {
    position: relative;
  }

  .grid-products,
  .grid-products-3,
  .news-cards,
  .process,
  .certs,
  .footer-grid,
  .metrics,
  .hero-stats .wrap {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
  }

  .news-thumb {
    width: 100%;
  }

  .contact-rows li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .spec-table {
    display: block;
    overflow-x: auto;
  }
}