:root {
  --ink: #0b1018;
  --ink-2: #17202e;
  --muted: #667085;
  --soft: #f5f7fb;
  --soft-2: #eef3f8;
  --line: #dde5ee;
  --panel: #ffffff;
  --brand: #0a7cff;
  --cyan: #02c6d8;
  --green: #34d399;
  --amber: #ffb020;
  --red: #ff5d5d;
  --shadow: 0 24px 70px rgba(15, 23, 42, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

body,
button,
input,
textarea {
  font: inherit;
}

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

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

button,
input,
textarea {
  border: 0;
  outline: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 0 44px;
  border-bottom: 1px solid rgba(221, 229, 238, .72);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px);
  transition: box-shadow .2s ease, min-height .2s ease;
}

.site-header.is-scrolled {
  min-height: 66px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, .08);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--cyan));
  font-size: 22px;
  font-weight: 900;
}

.brand-mark::after {
  position: absolute;
  inset: 7px;
  content: "";
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 4px;
}

.brand-text {
  display: grid;
  min-width: 0;
  line-height: 1.18;
}

.brand-text strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 20px;
  white-space: nowrap;
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.site-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  padding: 8px 12px;
  color: #263143;
  font-size: 15px;
  white-space: nowrap;
}

.nav-link::after {
  position: absolute;
  right: 12px;
  bottom: 1px;
  left: 12px;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--brand), var(--cyan), var(--green));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.header-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  width: 240px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.header-search input {
  min-width: 0;
  padding: 9px 12px;
  color: var(--ink);
  background: transparent;
  font-size: 14px;
}

.header-search button {
  color: #fff;
  background: var(--ink-2);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  color: #fff;
  background: #080d14;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(8, 13, 20, .96) 0%, rgba(8, 13, 20, .86) 36%, rgba(8, 13, 20, .38) 72%, rgba(8, 13, 20, .82) 100%),
    url("/uploads/billitech/chip-core.jpg") center/cover;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  z-index: 0;
  content: "";
  background: linear-gradient(180deg, rgba(8, 13, 20, 0), #080d14);
}

.hero-visual {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  width: min(46vw, 690px);
  opacity: .95;
}

.hero-visual img {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100vw - 104px));
  padding: 112px 0 68px 52px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  color: #fff;
  font-size: 72px;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .80);
  font-size: 21px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #06101a;
  background: linear-gradient(135deg, #fff, #c9fbff);
  box-shadow: 0 16px 36px rgba(2, 198, 216, .22);
}

.btn-quiet {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .08);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 690px;
  margin: 42px 0 0;
}

.metrics div {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(12px);
}

.metrics dt {
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.metrics dd {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
}

.hero-deck {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 52px 42px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .12);
}

.deck-item {
  display: grid;
  min-height: 138px;
  align-content: center;
  gap: 6px;
  padding: 22px;
  background: rgba(8, 13, 20, .72);
  backdrop-filter: blur(10px);
}

.deck-item span {
  color: var(--cyan);
  font-weight: 900;
}

.deck-item strong {
  color: #fff;
  font-size: 21px;
}

.deck-item em {
  color: rgba(255, 255, 255, .62);
  font-style: normal;
}

.section {
  padding: 96px 52px;
}

.section-head {
  max-width: 820px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-head.compact {
  margin-left: 0;
  text-align: left;
}

.section-head.split {
  display: flex;
  max-width: 1200px;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  text-align: left;
}

.section-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.18;
}

.section-head p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
}

.intro-band {
  position: relative;
  background: #fff;
}

.intro-band::before {
  position: absolute;
  top: 0;
  right: 52px;
  left: 52px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(10, 124, 255, .45), transparent);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  gap: 22px;
  max-width: 1200px;
  margin: 0 auto;
}

.intro-main {
  display: grid;
  min-height: 380px;
  align-content: end;
  padding: 32px;
  border-radius: 8px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(6, 16, 26, .20), rgba(6, 16, 26, .92)),
    url("/uploads/billitech/data-center.jpg") center/cover;
  box-shadow: var(--shadow);
}

.intro-main span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.intro-main strong {
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.18;
}

.intro-main p {
  max-width: 620px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .78);
}

.intro-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.intro-facts div {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.intro-facts strong,
.strength-grid strong {
  display: block;
  color: var(--ink);
  font-size: 20px;
}

.intro-facts span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.service-grid,
.product-grid,
.market-grid,
.strength-grid {
  display: grid;
  max-width: 1200px;
  margin: 0 auto;
  gap: 18px;
}

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

.service-card,
.market-card,
.product-card,
.manufacturing-card,
.search-item {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.service-card:hover,
.market-card:hover,
.product-card:hover,
.manufacturing-card:hover,
.search-item:hover {
  border-color: rgba(10, 124, 255, .32);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.service-card {
  display: grid;
  min-height: 280px;
  align-content: space-between;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(245, 247, 251, .78), #fff),
    linear-gradient(135deg, rgba(2, 198, 216, .16), rgba(52, 211, 153, .10));
}

.card-index {
  color: var(--brand);
  font-weight: 900;
}

.service-card h3,
.product-card h3 {
  margin: 22px 0 10px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.24;
}

.service-card p,
.product-card p,
.market-card p {
  margin: 0;
  color: var(--muted);
}

.manufacturing-band {
  background:
    linear-gradient(180deg, #fff 0%, #f7fafc 100%);
}

.manufacturing-layout {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: 22px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.manufacturing-visual {
  position: relative;
  display: grid;
  min-height: 430px;
  align-content: end;
  padding: 28px;
  border-radius: 8px;
  overflow: hidden;
  color: #fff;
  background: #111827;
  box-shadow: var(--shadow);
}

.manufacturing-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(8, 13, 20, .08), rgba(8, 13, 20, .88));
}

.manufacturing-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.manufacturing-visual span,
.manufacturing-visual strong {
  position: relative;
  z-index: 1;
}

.manufacturing-visual span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.manufacturing-visual strong {
  max-width: 520px;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.2;
}

.manufacturing-copy {
  min-width: 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.manufacturing-copy h2,
.manufacturing-copy h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.2;
}

.manufacturing-copy h2 {
  font-size: 38px;
}

.manufacturing-copy h3 {
  font-size: 34px;
}

.manufacturing-copy > p:not(.eyebrow) {
  margin: 16px 0 0;
  color: var(--muted);
}

.manufacturing-points {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.manufacturing-points div {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.manufacturing-points strong {
  color: var(--ink);
}

.manufacturing-points span {
  color: var(--muted);
}

.manufacturing-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1200px;
  margin: 18px auto 0;
}

.manufacturing-card {
  display: grid;
  min-height: 190px;
  align-content: start;
  gap: 10px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(245, 247, 251, .72), #fff),
    linear-gradient(135deg, rgba(10, 124, 255, .10), rgba(52, 211, 153, .10));
}

.manufacturing-card span {
  color: var(--brand);
  font-weight: 900;
}

.manufacturing-card strong {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.manufacturing-card p {
  margin: 0;
  color: var(--muted);
}

.manufacturing-page {
  background: #fff;
}

.manufacturing-page-layout {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
}

.manufacturing-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 190px;
  gap: 12px;
}

.manufacturing-gallery img {
  width: 100%;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  background: #eef3f8;
}

.manufacturing-gallery img:first-child {
  grid-row: span 2;
}

.product-band {
  background: var(--soft);
}

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

.product-card {
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #dfe8f0;
}

.product-card div {
  padding: 22px;
}

.product-card span,
.market-card span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 16px;
  border: 1px solid rgba(10, 124, 255, .26);
  border-radius: 8px;
  color: var(--brand);
  font-weight: 900;
  white-space: nowrap;
  background: #fff;
}

.market-section {
  color: #fff;
  background:
    linear-gradient(180deg, rgba(8, 13, 20, .86), rgba(8, 13, 20, .94)),
    url("/uploads/billitech/data-center.jpg") center/cover fixed;
}

.market-section .section-head h2 {
  color: #fff;
}

.market-section .section-head p:last-child {
  color: rgba(255, 255, 255, .66);
}

.market-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.market-card {
  display: grid;
  min-height: 204px;
  align-content: start;
  gap: 10px;
  padding: 24px;
  border-color: rgba(255, 255, 255, .12);
  color: #fff;
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(12px);
}

.market-card:hover {
  border-color: rgba(2, 198, 216, .46);
}

.market-card span {
  color: var(--green);
}

.market-card strong {
  font-size: 22px;
}

.market-card p {
  color: rgba(255, 255, 255, .66);
}

.strength-band {
  background: #fff;
}

.strength-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.strength-grid div {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: 0 0 8px 8px;
  background: var(--soft);
}

.strength-grid p {
  margin: 10px 0 0;
  color: var(--muted);
}

.cta-band {
  display: flex;
  max-width: 1200px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 auto 96px;
  padding: 38px;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 13, 20, .96), rgba(8, 13, 20, .78)),
    url("/uploads/billitech/circuit-dark.jpg") center/cover;
}

.cta-band h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.22;
}

.cta-band p {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .70);
}

.cta-actions {
  display: grid;
  justify-items: end;
  gap: 14px;
  min-width: 220px;
}

.cta-contact {
  display: grid;
  gap: 2px;
  min-width: 210px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
}

.cta-contact span {
  color: rgba(255, 255, 255, .56);
  font-size: 13px;
}

.cta-contact strong {
  color: #fff;
  font-size: 18px;
}

.cta-contact a {
  color: #c9fbff;
  font-weight: 900;
}

.page-hero,
.content-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 36px;
  align-items: center;
  min-height: 470px;
  padding: 78px 52px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 13, 20, .94), rgba(8, 13, 20, .72)),
    url("/uploads/billitech/circuit-dark.jpg") center/cover;
}

.page-hero > div,
.content-hero > div {
  max-width: 800px;
}

.page-hero h1,
.content-hero h1 {
  margin: 0;
  color: #fff;
  font-size: 50px;
  line-height: 1.12;
}

.page-hero p:not(.eyebrow),
.content-hero p:not(.eyebrow) {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .74);
  font-size: 18px;
}

.page-hero img,
.content-hero img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  object-fit: cover;
  background: #111827;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .32);
}

.breadcrumb {
  margin-top: 18px;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
}

.breadcrumb a {
  color: #fff;
}

.listing {
  margin-top: 0;
}

.pager {
  max-width: 1200px;
  margin: 30px auto 0;
  color: var(--muted);
  text-align: center;
}

.pager a,
.pager span {
  display: inline-flex;
  min-width: 36px;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  margin: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-layout {
  max-width: 1120px;
  margin: 0 auto;
}

.article-body {
  color: #273546;
  font-size: 17px;
}

.article-body h2,
.article-body h3 {
  color: var(--ink);
  line-height: 1.28;
}

.article-body h2 {
  margin: 0 0 16px;
  font-size: 34px;
}

.article-body h3 {
  margin: 28px 0 10px;
  font-size: 24px;
}

.article-body p {
  margin: 0 0 16px;
}

.article-body ul {
  display: grid;
  gap: 8px;
  margin: 0 0 22px;
  padding-left: 22px;
}

.article-body figure {
  margin: 30px 0;
}

.article-body figure img,
.article-body > img {
  width: 100%;
  max-height: 620px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  background: #fff;
}

.article-body figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.article-body .info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.article-body .info-grid div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.article-body .brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.article-body .brand-list li {
  padding: 8px 12px;
  border: 1px solid rgba(10, 124, 255, .18);
  border-radius: 8px;
  background: #fff;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: 30px;
  max-width: 1120px;
  margin: 0 auto;
}

.contact-form {
  display: grid;
  gap: 14px;
  align-self: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink-2);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
}

.contact-panel {
  display: grid;
  gap: 16px;
  align-self: start;
}

.direct-contact {
  display: grid;
  gap: 6px;
  padding: 24px;
  border: 1px solid rgba(10, 124, 255, .22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(10, 124, 255, .10), rgba(2, 198, 216, .08)),
    #fff;
}

.direct-contact span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.direct-contact strong {
  color: var(--ink);
  font-size: 28px;
  line-height: 1.2;
}

.direct-contact a {
  color: var(--brand);
  font-size: 22px;
  font-weight: 900;
}

.direct-contact p {
  margin: 6px 0 0;
  color: var(--muted);
}

.search-list {
  display: grid;
  max-width: 920px;
  margin: 0 auto;
  gap: 14px;
}

.search-item {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.search-item strong {
  color: var(--brand);
  font-size: 20px;
}

.search-item p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 58px 52px 28px;
  color: rgba(255, 255, 255, .76);
  background: #080d14;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(180px, .7fr) minmax(220px, .7fr);
  gap: 34px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo .brand-text strong,
.footer-links strong,
.footer-contact strong {
  color: #fff;
}

.footer-brand p,
.footer-contact p {
  margin: 16px 0 0;
}

.footer-contact-lines {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  color: rgba(255, 255, 255, .86);
}

.footer-contact-lines a {
  color: #c9fbff;
  font-weight: 900;
}

.footer-links div {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  max-width: 1200px;
  justify-content: space-between;
  gap: 16px;
  margin: 36px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .48);
  font-size: 14px;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) 42px;
    padding: 0 24px;
  }

  .nav-toggle {
    position: fixed;
    top: 17px;
    right: 24px;
    z-index: 80;
    display: grid;
    justify-self: end;
  }

  .site-nav {
    position: fixed;
    top: 74px;
    right: 24px;
    left: 24px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

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

  .nav-link {
    padding: 11px 12px;
  }

  .header-search {
    display: none;
  }

  .hero-content {
    width: min(720px, calc(100vw - 48px));
    padding-left: 24px;
  }

  .hero-visual {
    width: 60vw;
    opacity: .42;
  }

  .service-grid,
  .product-grid,
  .market-grid,
  .strength-grid,
  .manufacturing-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hero,
  .content-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .site-header {
    width: 100vw;
    max-width: 100vw;
    min-height: 66px;
    padding: 0 16px;
  }

  .nav-toggle {
    top: 12px;
    right: auto;
    left: min(330px, calc(100vw - 58px));
  }

  .site-nav {
    top: 66px;
    right: 16px;
    left: 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-text strong {
    font-size: 18px;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(8, 13, 20, .94), rgba(8, 13, 20, .88)),
      url("/uploads/billitech/chip-core.jpg") center/cover;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    width: min(354px, calc(100vw - 36px));
    max-width: 100%;
    min-width: 0;
    padding: 58px 0 32px 18px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-lead {
    font-size: 17px;
    word-break: break-word;
  }

  .metrics,
  .hero-deck,
  .intro-grid,
  .intro-facts,
  .service-grid,
  .product-grid,
  .market-grid,
  .strength-grid,
  .manufacturing-layout,
  .manufacturing-cards,
  .manufacturing-gallery,
  .footer-inner,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .metrics,
  .hero-deck {
    width: min(354px, calc(100vw - 36px));
    max-width: 100%;
  }

  .hero-deck {
    margin: 0 18px 34px;
  }

  .section,
  .page-hero,
  .content-hero {
    padding: 58px 18px;
  }

  .section-head h2,
  .cta-band h2,
  .manufacturing-copy h2,
  .manufacturing-copy h3,
  .manufacturing-visual strong,
  .article-body h2 {
    font-size: 30px;
  }

  .section-head.split {
    display: grid;
  }

  .page-hero h1,
  .content-hero h1 {
    font-size: 36px;
  }

  .cta-band {
    display: grid;
    margin: 0 18px 58px;
    padding: 26px;
  }

  .cta-actions {
    min-width: 0;
    justify-items: start;
  }

  .cta-contact {
    width: 100%;
    min-width: 0;
  }

  .manufacturing-copy,
  .manufacturing-visual {
    padding: 24px;
  }

  .manufacturing-visual {
    min-height: 360px;
  }

  .manufacturing-points div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .manufacturing-gallery {
    grid-auto-rows: 220px;
  }

  .manufacturing-gallery img:first-child {
    grid-row: auto;
  }

  .article-body .info-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    padding: 46px 18px 24px;
  }

  .footer-bottom {
    display: grid;
  }
}