/* ==========================================================================
   HONGLANG — wire drawing machinery
   Blue / green industrial design system
   ========================================================================== */

:root {
  --navy-950: #061f33;
  --navy-900: #082b45;
  --navy-800: #0a3d62;
  --blue-700: #0b5a85;
  --blue-600: #0e6e9e;
  --blue-500: #1687be;
  --green-700: #0a7a56;
  --green-600: #0e9f6e;
  --green-500: #16b57f;
  --mint-300: #8fe3c0;
  --mint-100: #e6f7f1;
  --ink: #112a3c;
  --body: #435b6c;
  --muted: #5b7284;
  --line: #dde8ef;
  --line-strong: #c9dae4;
  --bg: #f5f9fb;
  --bg-alt: #edf4f8;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(7, 40, 60, 0.05), 0 10px 28px rgba(7, 40, 60, 0.045);
  --shadow: 0 22px 60px rgba(7, 40, 60, 0.12);
  --container: 1240px;
  --header-h: 78px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.68;
  color: var(--body);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

a {
  color: var(--blue-700);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--green-600);
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.022em;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

button {
  cursor: pointer;
}

::selection {
  color: var(--white);
  background: var(--green-600);
}

:focus-visible {
  outline: 3px solid rgba(22, 181, 127, 0.55);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 18px;
  color: var(--white);
  background: var(--navy-900);
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--white);
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.container--narrow {
  width: min(900px, calc(100% - 48px));
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Typography helpers
   -------------------------------------------------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--green-700);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--green-500));
  border-radius: 2px;
}

.eyebrow--light {
  color: var(--mint-300);
}

.eyebrow--light::before {
  background: var(--mint-300);
}

.section-title {
  max-width: 21ch;
  font-size: clamp(1.95rem, 3vw, 2.8rem);
}

.section-title--wide {
  max-width: 26ch;
}

.lead {
  max-width: 720px;
  margin-top: 18px;
  color: var(--body);
  font-size: 17px;
  line-height: 1.72;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy-800);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.text-link svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s var(--ease);
}

.text-link:hover {
  color: var(--green-600);
}

.text-link:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  color: var(--white);
  background: linear-gradient(115deg, #0a7a56, #0c8a5f);
  box-shadow: 0 10px 24px rgba(10, 122, 86, 0.24);
}

.btn--primary:hover {
  color: var(--white);
  background: linear-gradient(115deg, #086447, #0a7a56);
  box-shadow: 0 14px 30px rgba(10, 122, 86, 0.32);
}

.btn--secondary {
  color: var(--navy-800);
  background: var(--white);
  border-color: var(--line-strong);
}

.btn--secondary:hover {
  color: var(--navy-800);
  border-color: var(--green-500);
  background: var(--mint-100);
}

.btn--ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.38);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

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

.btn--small {
  min-height: 40px;
  padding: 0 16px;
  font-size: 12.5px;
}

.btn--block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Top utility bar
   -------------------------------------------------------------------------- */

.topbar {
  color: rgba(255, 255, 255, 0.78);
  background: var(--navy-950);
  font-size: 12px;
  letter-spacing: 0.015em;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 38px;
}

.topbar__note {
  color: rgba(255, 255, 255, 0.62);
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.82);
}

.topbar__link svg {
  width: 14px;
  height: 14px;
  color: var(--mint-300);
}

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

/* Language dropdown */
.lang {
  position: relative;
}

.lang__button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.82);
  background: none;
  border: 0;
  font-size: 12px;
  font-weight: 700;
}

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

.lang__button svg {
  width: 14px;
  height: 14px;
}

.lang__button .chev {
  width: 11px;
  height: 11px;
  transition: transform 0.2s var(--ease);
}

.lang.open .lang__button .chev {
  transform: rotate(180deg);
}

.lang__menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 80;
  min-width: 148px;
  padding: 6px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
}

.lang.open .lang__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang__menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 12px;
  color: var(--ink);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}

.lang__menu a:hover,
.lang__menu a[aria-current="true"] {
  color: var(--green-700);
  background: var(--mint-100);
}

.lang__menu a span {
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(7, 40, 60, 0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: var(--ink);
}

.brand:hover {
  color: var(--ink);
}

.brand__mark {
  width: 44px;
  height: 44px;
  flex: none;
  filter: drop-shadow(0 6px 12px rgba(10, 61, 98, 0.18));
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name {
  color: var(--navy-900);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1;
}

.brand__tag {
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.4;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 28px 0;
  color: var(--navy-900);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.005em;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--green-500));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s var(--ease);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--green-700);
}

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

.nav-link svg {
  width: 11px;
  height: 11px;
  color: var(--muted);
}

.nav-item {
  position: relative;
}

.mega {
  position: absolute;
  top: calc(100% - 2px);
  left: -300px;
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  width: 880px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}

.nav-item:hover .mega,
.nav-item:focus-within .mega,
.nav-item.open .mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega__group h3 {
  margin-bottom: 10px;
  padding-bottom: 8px;
  color: var(--navy-900);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mega__group a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 6px 0;
  color: var(--body);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
}

.mega__group a span {
  color: var(--green-600);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.mega__group a:hover {
  color: var(--navy-800);
}

.mega__all {
  display: inline-flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: 7px;
  margin-top: 8px;
  padding-top: 16px;
  color: var(--green-700);
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
}

.mega__all svg {
  width: 15px;
  height: 15px;
}

.header__cta {
  flex: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  color: var(--navy-900);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.nav-toggle svg {
  width: 21px;
  height: 21px;
}

.nav-toggle .icon-close,
.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-nav-extra {
  display: none;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-950);
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 50%;
  transform: scale(1.01);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 31, 51, 0.96) 0%, rgba(6, 31, 51, 0.88) 38%, rgba(6, 31, 51, 0.45) 72%, rgba(6, 31, 51, 0.25) 100%),
    linear-gradient(0deg, rgba(6, 31, 51, 0.55) 0%, rgba(6, 31, 51, 0) 45%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(143, 227, 192, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 227, 192, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 62%);
  mask-image: linear-gradient(90deg, #000, transparent 62%);
}

.hero__inner {
  padding: 96px 0 0;
}

.hero__content {
  max-width: 760px;
}

.hero__title {
  max-width: 17ch;
  color: var(--white);
  font-size: clamp(2.55rem, 4.4vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero__sub {
  max-width: 640px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  line-height: 1.72;
}

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

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__meta span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--green-500);
  border-radius: 50%;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 58px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.hero-stat {
  padding: 24px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat:last-child {
  border-right: 0;
}

.hero-stat__value {
  display: block;
  color: var(--white);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-stat__value em {
  color: var(--mint-300);
  font-style: normal;
}

.hero-stat__label {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Compact page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 64px;
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(22, 181, 127, 0.13), transparent 65%),
    linear-gradient(135deg, #f4f9fb 0%, #ebf4f7 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -40px;
  width: 360px;
  height: 360px;
  background:
    repeating-radial-gradient(circle at center, transparent 0 22px, rgba(14, 110, 158, 0.07) 23px 24px);
  border-radius: 50%;
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.page-hero h1 {
  max-width: 20ch;
  font-size: clamp(2.15rem, 3.7vw, 3.35rem);
  line-height: 1.08;
}

.page-hero p {
  max-width: 740px;
  margin-top: 18px;
  color: var(--body);
  font-size: 17px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--green-700);
}

.breadcrumb span {
  color: var(--line-strong);
}

.breadcrumb [aria-current="page"] {
  color: var(--navy-800);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.section {
  padding: 96px 0;
}

.section--tight {
  padding: 72px 0;
}

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

.section--dark {
  color: rgba(255, 255, 255, 0.76);
  background:
    radial-gradient(900px 500px at 80% 0%, rgba(22, 181, 127, 0.18), transparent 60%),
    var(--navy-950);
}

.section--dark .section-title,
.section--dark h2,
.section--dark h3 {
  color: var(--white);
}

.section--dark .lead {
  color: rgba(255, 255, 255, 0.7);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 44px;
}

.section-head__text {
  max-width: 760px;
}

.section-head__aside {
  flex: none;
  padding-bottom: 4px;
}

.section-head--center {
  display: block;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 46px;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head--center .section-title,
.section-head--center .lead {
  margin-inline: auto;
}

.section-head--center .section-title {
  max-width: 24ch;
}

/* --------------------------------------------------------------------------
   Intro split
   -------------------------------------------------------------------------- */

.intro-split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 64px;
  align-items: start;
}

.intro-split__body p {
  color: var(--body);
  font-size: 16px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
}

.check-list svg {
  width: 19px;
  height: 19px;
  flex: none;
  margin-top: 2px;
  color: var(--green-600);
}

/* --------------------------------------------------------------------------
   Product cards
   -------------------------------------------------------------------------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.product-card:hover {
  border-color: rgba(14, 159, 110, 0.55);
  box-shadow: var(--shadow-sm);
  transform: translateY(-5px);
}

.product-card__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 34%, #ffffff 0%, #f4f8fa 62%, #eaf2f6 100%);
  border-bottom: 1px solid var(--line);
}

.product-card__media img {
  position: absolute;
  inset: 16px;
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  object-fit: contain;
  transition: transform 0.4s var(--ease);
}

.product-card:hover .product-card__media img {
  transform: scale(1.035);
}

.product-card__num {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 8px;
  color: var(--green-700);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(14, 159, 110, 0.25);
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  backdrop-filter: blur(4px);
}

.product-card__group {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
  padding: 5px 9px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.product-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px 22px 20px;
}

.product-card h3 {
  font-size: 17px;
  line-height: 1.3;
}

.product-card h3 a {
  color: var(--navy-900);
}

.product-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
}

.product-card:hover h3 a {
  color: var(--green-700);
}

.product-card__desc {
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  color: var(--blue-700);
  background: #eef7fb;
  border: 1px solid #dcecf4;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.35;
}

.chip--green {
  color: var(--green-700);
  background: var(--mint-100);
  border-color: #c9ecdf;
}

.product-card__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  color: var(--green-700);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.product-card__foot svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s var(--ease);
}

.product-card:hover .product-card__foot svg {
  transform: translateX(4px);
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
}

.filter-bar button {
  min-height: 40px;
  padding: 0 16px;
  color: var(--body);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  transition: all 0.2s var(--ease);
}

.filter-bar button:hover {
  color: var(--green-700);
  border-color: var(--green-500);
}

.filter-bar button.is-active {
  color: var(--white);
  background: var(--navy-800);
  border-color: var(--navy-800);
}

.product-group {
  margin-top: 56px;
}

.product-group:first-of-type {
  margin-top: 0;
}

.product-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.product-group__head h2 {
  font-size: 1.35rem;
}

.product-group__head span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.spec-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 30px;
  padding: 16px 18px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.6;
}

.spec-note svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 1px;
  color: var(--blue-600);
}

/* --------------------------------------------------------------------------
   Feature cards
   -------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.feature-card:hover {
  border-color: rgba(14, 159, 110, 0.45);
  transform: translateY(-3px);
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  color: var(--green-700);
  background: linear-gradient(145deg, #e9f8f2, #eef6fb);
  border: 1px solid #d8eee6;
  border-radius: 13px;
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 15.5px;
  line-height: 1.35;
}

.feature-card p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

/* --------------------------------------------------------------------------
   Industry cards
   -------------------------------------------------------------------------- */

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.industry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.industry-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(22, 181, 127, 0.1), transparent 68%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.industry-card:hover {
  border-color: rgba(14, 159, 110, 0.45);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.industry-card:hover::after {
  opacity: 1;
}

.industry-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  color: var(--blue-600);
  background: #eef6fb;
  border: 1px solid #dfeef5;
  border-radius: 12px;
}

.industry-card__icon svg {
  width: 22px;
  height: 22px;
}

.industry-card h3 {
  font-size: 16px;
}

.industry-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.industry-card__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  color: var(--green-700);
  font-size: 11.5px;
  font-weight: 800;
}

.industry-card__link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s var(--ease);
}

.industry-card:hover .industry-card__link svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Split media / about
   -------------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 64px;
  align-items: center;
}

.split--reverse .split__media {
  order: 2;
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.media-frame img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}

.media-badge {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(6, 31, 51, 0.18);
  backdrop-filter: blur(10px);
}

.media-badge strong {
  display: block;
  color: var(--navy-900);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.02em;
}

.media-badge span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.media-badge__divider {
  width: 1px;
  height: 32px;
  background: var(--line);
}

.split__body .section-title {
  max-width: 18ch;
}

.split__body > p {
  margin-top: 18px;
  color: var(--body);
  font-size: 15.5px;
}

.split__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */

.cta-wrap {
  padding: 0 0 96px;
}

.cta-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  overflow: hidden;
  padding: 52px 56px;
  color: rgba(255, 255, 255, 0.74);
  background:
    radial-gradient(600px 320px at 90% 10%, rgba(22, 181, 127, 0.3), transparent 65%),
    linear-gradient(120deg, var(--navy-950), var(--navy-800) 62%, #0b4f55);
  border-radius: 26px;
  box-shadow: 0 30px 70px rgba(6, 31, 51, 0.22);
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -80px;
  right: 8%;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(143, 227, 192, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(143, 227, 192, 0.04),
    0 0 0 84px rgba(143, 227, 192, 0.03);
  pointer-events: none;
}

.cta-band__text {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  max-width: 22ch;
  color: var(--white);
  font-size: clamp(1.75rem, 2.6vw, 2.35rem);
}

.cta-band p {
  max-width: 680px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14.5px;
}

.cta-band__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  color: rgba(255, 255, 255, 0.62);
  background: var(--navy-950);
  font-size: 13px;
}

.footer__main {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1.15fr;
  gap: 44px;
  padding: 68px 0 44px;
}

.footer__brand .brand {
  color: var(--white);
}

.footer__brand .brand__name {
  color: var(--white);
}

.footer__brand .brand__tag {
  color: rgba(255, 255, 255, 0.45);
}

.footer__brand p {
  max-width: 340px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12.5px;
  line-height: 1.7;
}

.footer__quality {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-top: 20px;
  color: var(--mint-300);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.footer__quality svg {
  width: 14px;
  height: 14px;
}

.footer h3 {
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer ul {
  display: grid;
  gap: 9px;
}

.footer ul a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 12.5px;
}

.footer ul a:hover {
  color: var(--mint-300);
}

.footer__contact li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12.5px;
  line-height: 1.55;
}

.footer__contact svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 2px;
  color: var(--green-500);
}

.footer__contact a {
  color: rgba(255, 255, 255, 0.72);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-size: 11.5px;
}

/* --------------------------------------------------------------------------
   Product detail
   -------------------------------------------------------------------------- */

.product-hero {
  position: relative;
  padding: 56px 0 64px;
  background:
    radial-gradient(800px 420px at 90% 0%, rgba(22, 181, 127, 0.12), transparent 62%),
    linear-gradient(140deg, #f6fafc, #ecf5f8);
  border-bottom: 1px solid var(--line);
}

.product-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}

.product-hero__content {
  max-width: 610px;
}

.product-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-kicker strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  color: var(--white);
  background: linear-gradient(120deg, var(--blue-700), var(--green-600));
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.product-hero h1 {
  max-width: 18ch;
  font-size: clamp(2.1rem, 3.4vw, 3.15rem);
  line-height: 1.07;
}

.product-hero__tagline {
  max-width: 560px;
  margin-top: 18px;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.product-hero .chips {
  margin-top: 22px;
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 30px;
}

.product-hero__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  padding: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 38%, #fff 0%, #f4f9fa 62%, #e9f2f6 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.product-hero__media img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
}

.product-hero__stamp {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 6px 10px;
  color: var(--green-700);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #ccebdf;
  border-radius: 999px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.product-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 56px;
  align-items: start;
}

.product-overview__copy p {
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
}

.product-overview__copy .key-specs {
  margin-top: 30px;
}

.feature-panel {
  padding: 30px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.feature-panel h2 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.feature-panel ul {
  display: grid;
  gap: 15px;
}

.feature-panel li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.55;
}

.feature-panel svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 2px;
  color: var(--green-600);
}

.key-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.key-spec {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.key-spec strong {
  display: block;
  color: var(--navy-900);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
}

.key-spec span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-section {
  padding: 88px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.spec-section + .spec-section {
  padding-top: 0;
}

.spec-block {
  margin-top: 28px;
}

.spec-block:first-of-type {
  margin-top: 0;
}

.spec-block__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
}

.spec-block h3 {
  font-size: 1.05rem;
}

.spec-block__head span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  -webkit-overflow-scrolling: touch;
}

.spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 12.5px;
  line-height: 1.5;
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.spec-table thead th {
  color: var(--navy-900);
  background: #eef6f9;
  border-bottom: 1px solid var(--line-strong);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.spec-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  width: 230px;
  color: var(--ink);
  background: #f8fbfc;
  font-weight: 700;
}

.spec-table tbody tr:nth-child(even) td {
  background: #fbfdfe;
}

.spec-table tbody tr:hover th,
.spec-table tbody tr:hover td {
  background: var(--mint-100);
}

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

.table-hint {
  display: none;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10.5px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.gallery-item {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.gallery-item__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  padding: 0;
  background: radial-gradient(circle at 50% 35%, #fff, #f1f7f9);
  border-bottom: 1px solid var(--line);
}

.gallery-item img {
  position: absolute;
  inset: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  object-fit: contain;
}

.gallery-item figcaption {
  padding: 12px 14px;
  color: var(--body);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.45;
}

.product-cta {
  margin-top: 56px;
  padding: 34px 36px;
  background:
    radial-gradient(500px 260px at 88% 0%, rgba(22, 181, 127, 0.24), transparent 60%),
    linear-gradient(120deg, var(--navy-950), var(--navy-800));
  border-radius: 20px;
}

.product-cta h2 {
  color: var(--white);
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
}

.product-cta p {
  max-width: 700px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13.5px;
}

.product-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* --------------------------------------------------------------------------
   Applications
   -------------------------------------------------------------------------- */

.process {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin-top: 46px;
}

.process__step {
  position: relative;
  padding: 20px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.process__step::after {
  content: "";
  position: absolute;
  top: 31px;
  right: -10px;
  width: 10px;
  height: 1px;
  background: var(--line-strong);
}

.process__step:last-child::after {
  display: none;
}

.process__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-bottom: 12px;
  color: var(--green-700);
  background: var(--mint-100);
  border-radius: 50%;
  font-size: 9.5px;
  font-weight: 800;
}

.process__step h3 {
  font-size: 12.5px;
  line-height: 1.35;
}

.app-table {
  width: 100%;
  margin-top: 36px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.55;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.app-table th {
  padding: 14px 18px;
  color: var(--navy-900);
  background: #eef6f9;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-align: left;
  text-transform: uppercase;
}

.app-table td {
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--body);
  vertical-align: top;
}

.app-table td strong {
  color: var(--ink);
  font-size: 13.5px;
}

.app-table a {
  color: var(--green-700);
  font-weight: 700;
}

.app-table tr:hover td {
  background: #fbfdfe;
}

.app-table__note {
  color: var(--muted);
  font-size: 11.5px;
}

/* --------------------------------------------------------------------------
   About page
   -------------------------------------------------------------------------- */

.about-profile {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 60px;
  align-items: start;
}

.about-profile__media {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.about-profile__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-profile__copy p + p {
  margin-top: 18px;
}

.about-profile__copy p {
  color: var(--body);
  font-size: 15.5px;
  line-height: 1.78;
}

.value-list {
  display: grid;
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--line);
}

.value-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.value-item__num {
  color: var(--green-600);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.value-item h3 {
  font-size: 15.5px;
}

.value-item p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.quote-band {
  padding: 58px 0;
  background:
    radial-gradient(700px 300px at 75% 20%, rgba(22, 181, 127, 0.16), transparent 62%),
    var(--navy-950);
}

.quote-band blockquote {
  max-width: 920px;
  margin: 0;
  color: var(--white);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.quote-band cite {
  display: block;
  margin-top: 20px;
  color: var(--mint-300);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 26px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-700), var(--green-600));
  border-radius: 10px;
  font-size: 11px;
  font-weight: 800;
}

.step h3 {
  font-size: 14px;
  line-height: 1.4;
}

.step p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.factory-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 40px;
}

.factory-grid figure {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.factory-grid img {
  width: 100%;
  height: auto;
  min-height: 260px;
  object-fit: cover;
}

.factory-grid figcaption {
  padding: 14px 18px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: start;
}

.contact-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}

.contact-info {
  display: grid;
  gap: 0;
  margin-top: 26px;
}

.contact-info__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-info__item:first-child {
  padding-top: 0;
}

.contact-info__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-info__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--green-700);
  background: var(--mint-100);
  border-radius: 10px;
}

.contact-info__icon svg {
  width: 18px;
  height: 18px;
}

.contact-info h3 {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-info p,
.contact-info a {
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.55;
}

.contact-info a:hover {
  color: var(--green-700);
}

.contact-info__note {
  margin-top: 18px;
  padding: 14px 16px;
  color: var(--muted);
  background: var(--bg);
  border-radius: 10px;
  font-size: 11.5px;
  line-height: 1.6;
}

.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--green-700);
  font-size: 11.5px;
  font-weight: 800;
}

.map-link svg {
  width: 14px;
  height: 14px;
}

.checklist {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.checklist li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  color: var(--body);
  font-size: 12px;
  line-height: 1.5;
}

.checklist svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 2px;
  color: var(--green-600);
}

.form-card {
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  font-size: 1.4rem;
}

.form-card > p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.5px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.field label span {
  color: var(--green-600);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  color: var(--ink);
  background: #fbfdfe;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  font-size: 13px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s var(--ease);
}

.field textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.6;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #9bacb8;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(22, 181, 127, 0.1);
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: #d97777;
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236c8292' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  padding-right: 34px;
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.5;
}

.checkbox input {
  width: 16px;
  height: 16px;
  margin: 1px 0 0;
  accent-color: var(--green-600);
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: 9px;
  font-size: 12px;
  line-height: 1.55;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  color: #0a6b4a;
  background: #e9f9f2;
  border: 1px solid #c7eddd;
}

.form-status.is-error {
  color: #8a3232;
  background: #fdf1f1;
  border: 1px solid #f0d1d1;
}

.form-status.is-info {
  color: #22526e;
  background: #eef7fb;
  border: 1px solid #d5eaf3;
}

.form-status a {
  font-weight: 700;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  transform: translateY(16px);
  transition: transform 0.65s var(--ease);
}

.js .reveal.is-visible {
  transform: translateY(0);
}

.js .reveal[data-delay="1"] {
  transition-delay: 0.08s;
}

.js .reveal[data-delay="2"] {
  transition-delay: 0.16s;
}

.js .reveal[data-delay="3"] {
  transition-delay: 0.24s;
}

/* --------------------------------------------------------------------------
   Gateway (root language chooser)
   -------------------------------------------------------------------------- */

.gateway {
  min-height: 100vh;
  color: var(--white);
  background: var(--navy-950);
}

.gateway__bg {
  position: fixed;
  inset: 0;
  z-index: -2;
}

.gateway__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% center;
}

.gateway::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 31, 51, 0.97) 0%, rgba(6, 31, 51, 0.9) 46%, rgba(6, 31, 51, 0.45) 100%),
    linear-gradient(0deg, rgba(6, 31, 51, 0.7), transparent 50%);
}

.gateway__inner {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 42px 0 30px;
}

.gateway__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.gateway__top .brand__name {
  color: var(--white);
}

.gateway__top .brand__tag {
  color: rgba(255, 255, 255, 0.5);
}

.gateway__top .brand__mark {
  width: 48px;
  height: 48px;
}

.gateway__top-note {
  color: rgba(255, 255, 255, 0.5);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.gateway__main {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  max-width: 1080px;
  padding: 76px 0;
}

.gateway h1 {
  max-width: 16ch;
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
}

.gateway__sub {
  max-width: 610px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 44px;
}

.lang-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 24px 22px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.lang-card:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(143, 227, 192, 0.6);
  transform: translateY(-3px);
}

.lang-card.is-suggested {
  border-color: rgba(143, 227, 192, 0.75);
}

.lang-card.is-suggested::after {
  content: "Suggested";
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 7px;
  color: var(--navy-900);
  background: var(--mint-300);
  border-radius: 999px;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-card__code {
  color: var(--mint-300);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.lang-card strong {
  color: var(--white);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.lang-card span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11.5px;
  line-height: 1.5;
}

.lang-card svg {
  width: 16px;
  height: 16px;
  margin-top: 8px;
  color: var(--mint-300);
}

.gateway__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10.5px;
}

.gateway__footer a {
  color: rgba(255, 255, 255, 0.55);
}

/* --------------------------------------------------------------------------
   State pages (404)
   -------------------------------------------------------------------------- */

.state-page {
  display: flex;
  min-height: 70vh;
  align-items: center;
  padding: 80px 0;
  background:
    radial-gradient(700px 380px at 80% 0%, rgba(22, 181, 127, 0.12), transparent 60%),
    var(--bg);
}

.state-page h1 {
  margin-bottom: 14px;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.state-page p {
  max-width: 560px;
  color: var(--body);
}

.state-page .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1180px) {
  .header__inner {
    gap: 20px;
  }

  .site-nav {
    gap: 20px;
  }

  .mega {
    left: -320px;
    width: 760px;
  }

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

@media (max-width: 1024px) {
  :root {
    --header-h: 72px;
  }

  .topbar__note {
    display: none;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 55;
    display: block;
    margin: 0;
    padding: 44px 24px 48px;
    overflow-y: auto;
    visibility: hidden;
    background: var(--white);
    border-top: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.28s var(--ease);
  }

  .site-nav.is-open {
    visibility: visible;
    transform: translateX(0);
  }

  .nav-item {
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    font-size: 15px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link svg {
    width: 14px;
    height: 14px;
  }

  .mega {
    position: static;
    display: none;
    width: 100%;
    padding: 0 0 16px;
    background: none;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-item.open .mega {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .mega__group h3 {
    margin-top: 4px;
    font-size: 10px;
  }

  .mega__group a {
    padding: 7px 0;
    font-size: 13px;
  }

  .header__cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .mobile-nav-extra {
    display: block;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }

  .mobile-nav-extra .btn {
    width: 100%;
  }

  .mobile-nav-contact {
    display: grid;
    gap: 8px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 12px;
  }

  .mobile-nav-contact a {
    color: var(--navy-800);
    font-weight: 700;
  }

  .hero__inner {
    padding-top: 74px;
  }

  .hero__title {
    font-size: clamp(2.35rem, 5.2vw, 3.5rem);
  }

  .intro-split,
  .split,
  .product-overview,
  .about-profile,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .about-profile__media {
    position: static;
    max-width: 560px;
  }

  .product-hero__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .product-hero__media {
    order: -1;
    min-height: 280px;
  }

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

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

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

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

  .process__step::after {
    display: none;
  }

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

  .footer__main {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
  }

  .footer__main > div:last-child {
    grid-column: 1 / -1;
  }

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

@media (max-width: 820px) {
  .container,
  .container--narrow {
    width: calc(100% - 40px);
  }

  .section {
    padding: 70px 0;
  }

  .section--tight {
    padding: 56px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 32px;
  }

  .section-head__aside {
    margin-top: 20px;
    padding-bottom: 0;
  }

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

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

  .hero-stat:nth-child(2) {
    border-right: 0;
  }

  .hero-stat:nth-child(1),
  .hero-stat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .cta-band {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 38px 30px;
  }

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

  .spec-table tbody th {
    width: 170px;
    min-width: 170px;
    font-size: 11.5px;
  }

  .table-hint {
    display: block;
  }

  .lang-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 30px;
  }

  .gateway__main {
    padding: 56px 0;
  }

  .gateway__top-note {
    display: none;
  }

  .footer__main {
    grid-template-columns: 1fr 1fr;
    padding-top: 52px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__main > div:last-child {
    grid-column: auto;
  }

  .app-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

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

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

@media (max-width: 620px) {
  .topbar__inner {
    min-height: 34px;
  }

  .topbar__right {
    gap: 14px;
  }

  .topbar__link span {
    display: none;
  }

  .topbar__link svg {
    width: 15px;
    height: 15px;
  }

  .brand__mark {
    width: 38px;
    height: 38px;
  }

  .brand__name {
    font-size: 18px;
  }

  .brand__tag {
    font-size: 8px;
  }

  .hero__inner {
    padding-top: 60px;
  }

  .hero__title {
    font-size: clamp(2.15rem, 9vw, 2.9rem);
  }

  .hero__sub {
    font-size: 15px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__meta {
    display: none;
  }

  .hero__stats {
    margin-top: 40px;
  }

  .hero-stat {
    padding: 18px 16px;
  }

  .hero-stat__value {
    font-size: 1.25rem;
  }

  .hero-stat__label {
    font-size: 9.5px;
  }

  .product-grid,
  .product-grid--four,
  .feature-grid,
  .industry-grid,
  .steps,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .product-card__media {
    aspect-ratio: 16 / 10;
  }

  .page-hero {
    padding: 48px 0;
  }

  .page-hero h1,
  .product-hero h1 {
    font-size: clamp(1.9rem, 8vw, 2.5rem);
  }

  .product-hero {
    padding-top: 34px;
  }

  .key-specs {
    grid-template-columns: 1fr;
  }

  .product-cta {
    padding: 28px 22px;
  }

  .cta-wrap {
    padding-bottom: 70px;
  }

  .cta-band {
    padding: 32px 24px;
    border-radius: 20px;
  }

  .cta-band__actions .btn {
    width: 100%;
  }

  .footer__main {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__bottom {
    display: block;
  }

  .form-card,
  .contact-card {
    padding: 24px 20px;
  }

  .gallery-grid {
    gap: 12px;
  }

  .gateway__inner {
    padding-top: 26px;
  }

  .gateway__main {
    justify-content: flex-start;
    padding: 60px 0 40px;
  }

  .gateway h1 {
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

  .lang-card {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    padding: 18px;
  }

  .lang-card strong {
    font-size: 18px;
  }

  .lang-card span {
    flex-basis: 100%;
  }

  .lang-card svg {
    margin-top: 0;
    margin-left: auto;
  }

  .value-item {
    grid-template-columns: 36px minmax(0, 1fr);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js .reveal {
    transform: none;
  }
}

@media print {
  .topbar,
  .site-header,
  .site-footer,
  .cta-wrap,
  .product-hero__actions,
  .hero__actions {
    display: none !important;
  }

  body {
    color: #000;
  }

  .hero {
    min-height: auto;
    color: #000;
    background: #fff;
  }

  .hero__media,
  .hero::before,
  .hero::after {
    display: none;
  }

  .hero__title,
  .hero__sub,
  .hero__meta {
    color: #000;
  }
}

/* --------------------------------------------------------------------------
   Small interactive elements
   -------------------------------------------------------------------------- */

.mega-toggle {
  display: none;
}

@media (max-width: 1024px) {
  .nav-item.has-mega {
    position: relative;
  }

  .nav-item.has-mega .nav-link {
    padding-right: 48px;
  }

  .mega-toggle {
    position: absolute;
    top: 8px;
    right: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--navy-800);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 9px;
  }

  .mega-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform 0.2s var(--ease);
  }

  .nav-item.open .mega-toggle svg {
    transform: rotate(180deg);
  }
}

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-800), var(--green-600));
  border: 0;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(6, 31, 51, 0.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
    visibility 0.2s;
}

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

.to-top:hover {
  transform: translateY(-2px);
}

.to-top svg {
  width: 18px;
  height: 18px;
}


/* --------------------------------------------------------------------------
   Chinese typographic tuning (CJK line breaks and title widths)
   -------------------------------------------------------------------------- */

html[lang="zh-CN"] .hero__title {
  max-width: 22em;
  letter-spacing: -0.01em;
}

html[lang="zh-CN"] .section-title {
  max-width: 24em;
}

html[lang="zh-CN"] .page-hero h1 {
  max-width: 20em;
}

html[lang="zh-CN"] .product-hero h1 {
  max-width: 18em;
}

html[lang="zh-CN"] .split__body .section-title {
  max-width: 20em;
}

html[lang="zh-CN"] .cta-band h2 {
  max-width: 22em;
}

html[lang="zh-CN"] .hero__sub,
html[lang="zh-CN"] .lead {
  line-height: 1.8;
}