:root {
  --green-950: #092d24;
  --green-900: #0b382c;
  --green-800: #104a39;
  --green-700: #176348;
  --green-500: #46a16d;
  --lime: #c6e76f;
  --cream: #f3f0e8;
  --warm: #e8dfcf;
  --ink: #17221e;
  --muted: #68736e;
  --line: #d9dfda;
  --white: #fff;
  --container: 1240px;
  --shadow: 0 24px 70px rgba(15, 47, 36, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f8f9f6;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.topbar {
  height: 36px;
  color: rgba(255,255,255,.78);
  background: #07271f;
  font-size: 12px;
  letter-spacing: .08em;
}

.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.divider {
  width: 1px;
  height: 12px;
  background: rgba(255,255,255,.22);
}

.lang-btn {
  padding: 0;
  color: inherit;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 82px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(12,56,44,.08);
  backdrop-filter: blur(16px);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 12px 35px rgba(11,56,44,.08);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 245px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--green-800);
  border-radius: 50%;
  background: #edf4ec;
}

.brand-mark svg {
  width: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.brand-copy strong {
  font-size: 20px;
  letter-spacing: .18em;
  color: var(--green-950);
}

.brand-copy small {
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .26em;
  color: #738079;
}

.desktop-nav {
  height: 100%;
  display: flex;
  align-items: stretch;
  gap: 35px;
  margin-left: auto;
}

.desktop-nav a {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: #44514b;
}

.desktop-nav a::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  content: "";
  background: var(--green-700);
  transform: translateX(-50%);
  transition: width .25s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--green-800);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  width: 24px;
}

.nav-cta {
  height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-left: 36px;
  padding: 0 20px;
  color: #fff;
  background: var(--green-800);
  font-size: 13px;
  font-weight: 700;
  transition: background .25s ease, transform .25s ease;
}

.nav-cta:hover {
  background: var(--green-700);
  transform: translateY(-2px);
}

.nav-cta svg,
.btn svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  height: calc(100vh - 118px);
  min-height: 670px;
  max-height: 900px;
  overflow: hidden;
  color: white;
  background: var(--green-950);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: heroZoom 12s ease-out both;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4,30,23,.24) 0%, rgba(4,30,23,.02) 50%, rgba(4,30,23,.08) 100%),
    linear-gradient(0deg, rgba(4,25,20,.45), transparent 38%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: clamp(110px, 16vh, 165px);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--lime);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
}

.eyebrow-line {
  width: 42px;
  height: 1px;
  background: var(--lime);
}

.hero h1 {
  max-width: 700px;
  margin: 25px 0 22px;
  font-size: clamp(48px, 5.6vw, 82px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -.04em;
}

.hero h1 em {
  color: var(--lime);
  font-style: normal;
  font-weight: 700;
}

.hero-intro {
  max-width: 620px;
  margin: 0;
  color: rgba(255,255,255,.78);
  font-size: 16px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 38px;
}

.btn {
  min-width: 145px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition: all .25s ease;
}

.btn-primary {
  color: var(--green-950);
  background: var(--lime);
}

.btn-primary:hover {
  background: #d9f58e;
  transform: translateY(-2px);
}

.btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.42);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,.14);
}

.hero-bottom {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 30px;
  left: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.hero-proof {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.25);
}

.hero-proof div {
  min-width: 180px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 28px 0 0;
}

.hero-proof strong {
  color: var(--lime);
  font: 700 12px/1 Arial, sans-serif;
}

.hero-proof span {
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,.28);
  color: rgba(255,255,255,.7);
  font-size: 12px;
  line-height: 1.6;
}

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  color: rgba(255,255,255,.55);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .22em;
}

.scroll-cue i {
  position: relative;
  width: 1px;
  height: 44px;
  overflow: hidden;
  background: rgba(255,255,255,.3);
}

.scroll-cue i::after {
  position: absolute;
  top: -20px;
  left: 0;
  width: 1px;
  height: 18px;
  content: "";
  background: var(--lime);
  animation: scrollDown 2s infinite;
}

.intro-strip {
  background: var(--cream);
}

.intro-grid {
  min-height: 220px;
  display: grid;
  grid-template-columns: 1fr 1.45fr .65fr;
  align-items: center;
  gap: 72px;
}

.intro-label {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.intro-label span,
.section-kicker {
  color: var(--green-700);
  font: 700 11px/1 Arial, sans-serif;
  letter-spacing: .24em;
}

.intro-label strong {
  font-size: 23px;
  font-weight: 600;
  line-height: 1.55;
}

.intro-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  color: var(--green-800);
  font-size: 13px;
  font-weight: 700;
}

.text-link svg {
  width: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  transition: transform .2s ease;
}

.text-link:hover svg {
  transform: translateX(5px);
}

.section {
  padding: 120px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 58px;
}

.section-head h2,
.strength-copy h2,
.about-title h2,
.contact-copy h2,
.trade-content h2 {
  margin: 16px 0 0;
  color: var(--green-950);
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -.04em;
}

.section-head p {
  max-width: 450px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.products {
  background: #f8f9f6;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  padding: 34px;
  background: #fff;
  border: 1px solid #e3e8e4;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.product-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.product-number {
  position: absolute;
  top: 30px;
  right: 32px;
  z-index: 2;
  color: #a1aca6;
  font: 700 11px/1 Arial, sans-serif;
  letter-spacing: .18em;
}

.product-art {
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  overflow: hidden;
}

.product-art::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, #fff 0%, transparent 46%);
}

.film-roll {
  position: absolute;
  top: 68px;
  right: 40px;
  width: 110px;
  height: 190px;
  border-radius: 55px/18px;
  background: linear-gradient(90deg, rgba(207,225,216,.9), rgba(255,255,255,.3), rgba(178,205,193,.8));
  box-shadow: inset -12px 0 20px rgba(20,78,57,.12), 0 30px 50px rgba(19,78,57,.13);
  transform: rotate(14deg);
}

.film-roll::before,
.film-roll::after {
  position: absolute;
  left: 0;
  width: 110px;
  height: 35px;
  border-radius: 50%;
  content: "";
}

.film-roll::before {
  top: -4px;
  background: rgba(242,249,245,.9);
  border: 1px solid rgba(27,94,68,.18);
}

.film-roll::after {
  bottom: -5px;
  background: rgba(175,205,192,.6);
}

.film-sheet {
  position: absolute;
  right: 85px;
  bottom: 34px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(36,113,82,.18);
  border-radius: 45% 8% 42% 12%;
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(119,185,157,.26), rgba(255,255,255,.5));
  box-shadow: 0 20px 50px rgba(38,90,68,.12);
  transform: rotate(-15deg) skewX(-10deg);
}

.product-copy {
  position: relative;
  z-index: 3;
  max-width: 55%;
  margin-top: 125px;
}

.product-tag {
  color: var(--green-700);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.product-copy h3 {
  margin: 14px 0 13px;
  color: var(--green-950);
  font-size: 25px;
  font-weight: 600;
}

.product-copy p {
  margin: 0;
  color: #738078;
  font-size: 13px;
  line-height: 1.9;
}

.product-copy a {
  display: inline-flex;
  gap: 12px;
  margin-top: 22px;
  color: var(--green-700);
  font-size: 12px;
  font-weight: 700;
}

.product-copy a span {
  transition: transform .2s ease;
}

.product-copy a:hover span {
  transform: translateX(4px);
}

.product-color {
  background: #f0f4ed;
}

.color-sheet {
  position: absolute;
  width: 120px;
  height: 230px;
  border-radius: 8px;
  box-shadow: 0 30px 50px rgba(24,63,47,.16);
}

.color-a {
  top: 55px;
  right: 44px;
  background: linear-gradient(130deg, rgba(179,222,97,.84), rgba(89,150,70,.68));
  transform: rotate(18deg);
}

.color-b {
  top: 90px;
  right: 125px;
  background: linear-gradient(130deg, rgba(250,198,101,.75), rgba(225,130,70,.68));
  transform: rotate(-4deg);
}

.color-c {
  top: 135px;
  right: 55px;
  background: linear-gradient(130deg, rgba(122,198,178,.72), rgba(59,130,121,.62));
  transform: rotate(45deg);
}

.product-coated {
  background: #edf4f0;
}

.coat-ring {
  position: absolute;
  border-radius: 50%;
  border-style: solid;
  transform: rotateX(65deg);
}

.ring-a {
  top: 55px;
  right: 25px;
  width: 245px;
  height: 245px;
  border-width: 30px;
  border-color: rgba(77,145,112,.34);
}

.ring-b {
  top: 105px;
  right: 80px;
  width: 170px;
  height: 170px;
  border-width: 23px;
  border-color: rgba(219,237,226,.85);
}

.coat-core {
  position: absolute;
  top: 167px;
  right: 132px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, #f4f7f3 0 28%, #97b7a8 29% 48%, #e7f0eb 49%);
  transform: rotateX(65deg);
}

.product-service {
  color: #fff;
  background: var(--green-900);
  border-color: var(--green-900);
}

.product-service .product-number {
  color: rgba(255,255,255,.42);
}

.product-service .product-tag,
.product-service .product-copy a {
  color: var(--lime);
}

.product-service .product-copy h3 {
  color: #fff;
}

.product-service .product-copy p {
  color: rgba(255,255,255,.62);
}

.service-lines {
  position: absolute;
  inset: 0 0 0 48%;
  overflow: hidden;
}

.service-lines::before {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(198,231,111,.3);
  border-radius: 50%;
  content: "";
  transform: translate(-50%,-50%);
}

.service-lines span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 360px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(198,231,111,.65), transparent);
  transform-origin: left center;
}

.service-lines span:nth-child(1) { transform: rotate(0deg); }
.service-lines span:nth-child(2) { transform: rotate(45deg); }
.service-lines span:nth-child(3) { transform: rotate(90deg); }
.service-lines span:nth-child(4) { transform: rotate(135deg); }

.solutions {
  overflow: hidden;
  background: var(--green-950);
}

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

.section-head.light .section-kicker {
  color: var(--lime);
}

.section-head.light p {
  color: rgba(255,255,255,.55);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 18px;
}

.solution-card {
  position: relative;
  height: 480px;
  overflow: hidden;
  background: #163d31;
}

.solution-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s ease, filter .4s ease;
}

.solution-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(3,26,20,.9), transparent 62%);
}

.solution-card:hover img {
  filter: saturate(.8);
  transform: scale(1.06);
}

.solution-index {
  position: absolute;
  z-index: 2;
  top: 24px;
  left: 25px;
  color: rgba(255,255,255,.68);
  font: 700 11px/1 Arial, sans-serif;
  letter-spacing: .18em;
}

.solution-content {
  position: absolute;
  z-index: 2;
  right: 26px;
  bottom: 30px;
  left: 26px;
}

.solution-content span {
  color: var(--lime);
  font: 700 9px/1 Arial, sans-serif;
  letter-spacing: .2em;
}

.solution-content h3 {
  margin: 12px 0 0;
  color: #fff;
  font-size: 22px;
  font-weight: 600;
}

.solution-content p {
  max-width: 400px;
  margin: 15px 0 0;
  color: rgba(255,255,255,.62);
  font-size: 13px;
  line-height: 1.8;
}

.solution-content i {
  display: inline-block;
  margin-top: 21px;
  color: rgba(255,255,255,.76);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease;
}

.solution-card:hover .solution-content i {
  opacity: 1;
  transform: translateY(0);
}

.strength {
  background: #f8f9f6;
}

.strength-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 90px;
}

.strength-visual {
  position: relative;
}

.strength-visual img {
  width: 100%;
  height: 640px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.visual-card {
  position: absolute;
  right: -38px;
  bottom: 40px;
  width: 190px;
  padding: 28px;
  color: #fff;
  background: var(--green-800);
  box-shadow: 0 20px 50px rgba(11,56,44,.25);
}

.visual-card span {
  color: var(--lime);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .18em;
}

.visual-card strong {
  display: block;
  margin-top: 18px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.55;
}

.strength-copy {
  padding: 20px 0;
}

.strength-lead {
  max-width: 560px;
  margin: 28px 0 38px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.capability-list {
  border-top: 1px solid var(--line);
}

.capability-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.capability-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--green-700);
  border: 1px solid #bdd0c4;
  border-radius: 50%;
  font-size: 15px;
  font-weight: 700;
}

.capability-item h3 {
  margin: 0 0 7px;
  color: var(--green-950);
  font-size: 17px;
  font-weight: 600;
}

.capability-item p {
  margin: 0;
  color: #77817c;
  font-size: 13px;
  line-height: 1.8;
}

.about {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #0d352b;
}

.about-bg {
  position: absolute;
  inset: 0;
  opacity: .5;
  background:
    radial-gradient(circle at 85% 50%, rgba(115,183,137,.25), transparent 32%),
    linear-gradient(115deg, transparent 0 58%, rgba(255,255,255,.03) 58% 59%, transparent 59% 66%, rgba(255,255,255,.03) 66% 67%, transparent 67%);
}

.about-grid {
  position: relative;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
}

.about .section-kicker {
  color: var(--lime);
}

.about-title h2 {
  color: #fff;
}

.about-copy {
  padding-left: 70px;
  border-left: 1px solid rgba(255,255,255,.15);
}

.about-copy p {
  margin: 0 0 20px;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 2;
}

.about-copy .about-lead {
  color: #fff;
  font-size: 20px;
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 45px;
}

.about-values div {
  min-height: 135px;
  padding: 20px;
  background: rgba(255,255,255,.05);
  border-top: 1px solid rgba(198,231,111,.48);
}

.about-values span {
  color: var(--lime);
  font: 700 9px/1 Arial, sans-serif;
  letter-spacing: .15em;
}

.about-values strong,
.about-values small {
  display: block;
}

.about-values strong {
  margin: 20px 0 9px;
  font-size: 18px;
}

.about-values small {
  color: rgba(255,255,255,.48);
  font-size: 11px;
}

.trade-banner {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.trade-banner > img,
.trade-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.trade-banner > img {
  object-fit: cover;
}

.trade-overlay {
  background: linear-gradient(90deg, rgba(5,36,28,.92), rgba(5,36,28,.25));
}

.trade-content {
  position: relative;
  z-index: 2;
  color: #fff;
}

.trade-content > span {
  color: var(--lime);
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: .25em;
}

.trade-content h2 {
  max-width: 600px;
  margin: 22px 0 35px;
  color: #fff;
}

.btn-light {
  color: var(--green-950);
  background: #fff;
}

.btn-light:hover {
  color: #fff;
  background: var(--green-700);
  transform: translateY(-2px);
}

.contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 100px;
  align-items: start;
}

.contact-copy p {
  max-width: 450px;
  margin: 25px 0 40px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
}

.contact-info {
  display: grid;
  gap: 0;
  border-top: 1px solid #cfd8d2;
}

.contact-info div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #cfd8d2;
}

.contact-info span {
  color: #89938e;
  font-size: 11px;
}

.contact-info strong {
  color: var(--green-950);
  font-size: 13px;
  font-weight: 600;
}

.contact-form {
  padding: 42px;
  background: #fff;
  box-shadow: var(--shadow);
}

.form-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 30px;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--line);
}

.form-head strong {
  color: var(--green-950);
  font-size: 20px;
  font-weight: 600;
}

.form-head span,
.form-note {
  color: #8a948f;
  font-size: 11px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 18px;
}

.contact-form label span {
  color: #5d6963;
  font-size: 12px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #dce3de;
  outline: 0;
  color: var(--ink);
  background: #fbfcfa;
  font-size: 13px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.contact-form input {
  height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  resize: vertical;
  padding: 14px;
  line-height: 1.7;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(70,161,109,.1);
}

.submit-btn {
  width: 100%;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 4px 0 14px;
  color: #fff;
  border: 0;
  background: var(--green-800);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}

.submit-btn:hover {
  background: var(--green-700);
  transform: translateY(-2px);
}

.submit-btn svg {
  width: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.form-note {
  display: block;
  text-align: center;
  line-height: 1.6;
}

.site-footer {
  color: rgba(255,255,255,.5);
  background: #06261e;
}

.footer-top {
  min-height: 150px;
  display: flex;
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .brand-mark {
  color: var(--lime);
  background: rgba(255,255,255,.06);
}

.footer-brand .brand-copy strong {
  color: #fff;
}

.footer-brand .brand-copy small {
  color: rgba(255,255,255,.42);
}

.footer-top p {
  padding-left: 40px;
  border-left: 1px solid rgba(255,255,255,.12);
  font-size: 12px;
}

.back-top {
  margin-left: auto;
  color: var(--lime);
  font-size: 11px;
  font-weight: 700;
}

.footer-bottom {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  font-size: 10px;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 26px;
  bottom: 26px;
  width: min(360px, calc(100% - 40px));
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 24px;
  color: #fff;
  background: var(--green-800);
  box-shadow: 0 20px 50px rgba(6,38,30,.3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity .25s ease, transform .25s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast strong {
  color: var(--lime);
  font-size: 14px;
}

.toast span {
  color: rgba(255,255,255,.7);
  font-size: 11px;
  line-height: 1.6;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s ease, transform .75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@keyframes heroZoom {
  from { transform: scale(1.035); }
  to { transform: scale(1); }
}

@keyframes scrollDown {
  0% { transform: translateY(0); }
  100% { transform: translateY(65px); }
}

@media (max-width: 1080px) {
  .desktop-nav {
    gap: 20px;
  }

  .nav-cta {
    margin-left: 22px;
  }

  .brand {
    min-width: 215px;
  }

  .strength-grid,
  .contact-grid {
    gap: 60px;
  }

  .about-grid {
    gap: 60px;
  }

  .about-copy {
    padding-left: 50px;
  }
}

@media (max-width: 900px) {
  .topbar {
    display: none;
  }

  .site-header {
    z-index: 1000;
    height: 72px;
  }

  body.menu-open .site-header {
    background: #fff;
    backdrop-filter: none;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .desktop-nav,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 1002;
    width: 42px;
    height: 42px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 5px;
    margin-left: auto;
    border: 0;
    background: transparent;
  }

  .menu-toggle span {
    width: 23px;
    height: 2px;
    background: var(--green-900);
    transition: transform .2s ease, opacity .2s ease;
  }

  .menu-toggle span:nth-child(2) {
    width: 17px;
  }

  .menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav {
    position: fixed;
    z-index: 1001;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100vh - 72px);
    height: calc(100dvh - 72px);
    padding: 25px 24px 32px;
    overflow-x: hidden;
    overflow-y: auto;
    background: #fff !important;
    box-shadow: 0 24px 60px rgba(6, 38, 30, .16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(100%);
    transition: opacity .25s ease, transform .3s ease, visibility .25s ease;
    isolation: isolate;
  }

  .mobile-nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    padding: 17px 4px;
    border-bottom: 1px solid var(--line);
    color: var(--green-950);
    background: #fff;
    font-size: 16px;
    font-weight: 600;
  }

  .mobile-nav a small {
    color: #94a099;
    font: 700 8px/1 Arial, sans-serif;
    letter-spacing: .16em;
  }

  .mobile-nav-label {
    flex-shrink: 0;
    padding: 5px 4px 18px;
    color: var(--green-700);
    border-bottom: 2px solid var(--green-800);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
  }

  .mobile-nav-contact {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
    padding: 20px;
    color: #fff;
    background: var(--green-800);
  }

  .mobile-nav-contact span {
    color: var(--lime);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
  }

  .mobile-nav .mobile-nav-contact a {
    display: block;
    padding: 0;
    color: #fff;
    border: 0;
    background: transparent;
    font: 600 19px/1.4 Arial, sans-serif;
  }

  .hero {
    height: calc(100svh - 72px);
    min-height: 650px;
  }

  .hero-bg {
    object-position: 58% center;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(4,30,23,.9), rgba(4,30,23,.25));
  }

  .hero h1 {
    font-size: clamp(43px, 8vw, 62px);
  }

  .hero-proof div {
    min-width: 150px;
  }

  .intro-grid {
    min-height: auto;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .intro-grid .text-link {
    display: none;
  }

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

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

  .solution-main {
    grid-column: 1 / -1;
  }

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

  .strength-visual img {
    height: 500px;
  }

  .visual-card {
    right: 25px;
  }

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

  .about-copy {
    padding: 35px 0 0;
    border-top: 1px solid rgba(255,255,255,.15);
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand {
    min-width: 0;
    gap: 9px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-mark svg {
    width: 29px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .brand-copy small {
    font-size: 7px;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding-top: 90px;
  }

  .hero-eyebrow {
    font-size: 8px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: 43px;
  }

  .hero-intro {
    font-size: 13px;
    line-height: 1.9;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 28px;
  }

  .btn {
    min-width: 160px;
    height: 48px;
  }

  .hero-bottom {
    bottom: 22px;
  }

  .hero-proof {
    width: 100%;
    justify-content: space-between;
  }

  .hero-proof div {
    min-width: 0;
    padding-right: 8px;
  }

  .hero-proof strong,
  .hero-proof div:nth-child(3) {
    display: none;
  }

  .hero-proof span {
    padding-left: 0;
    border-left: 0;
    font-size: 10px;
  }

  .scroll-cue {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section {
    padding: 80px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 35px;
  }

  .section-head p {
    margin-top: 18px;
  }

  .section-head h2,
  .strength-copy h2,
  .about-title h2,
  .contact-copy h2,
  .trade-content h2 {
    font-size: 36px;
  }

  .product-card {
    min-height: 410px;
    padding: 25px;
  }

  .product-art {
    width: 72%;
  }

  .product-copy {
    max-width: 75%;
    margin-top: 205px;
  }

  .product-copy h3 {
    font-size: 22px;
  }

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

  .solution-main {
    grid-column: auto;
  }

  .solution-card {
    height: 390px;
  }

  .strength-grid,
  .contact-grid {
    gap: 45px;
  }

  .strength-visual img {
    height: 420px;
  }

  .visual-card {
    right: 18px;
    bottom: 18px;
    width: 160px;
    padding: 22px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .about-values div {
    min-height: 105px;
  }

  .trade-banner {
    min-height: 470px;
  }

  .contact-form {
    padding: 26px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-top {
    min-height: 190px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 22px;
  }

  .footer-top p {
    margin: 0;
    padding: 0;
    border-left: 0;
  }

  .back-top {
    margin-left: 0;
  }

  .footer-bottom {
    min-height: 100px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 10px;
    line-height: 1.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* Product catalog and bilingual company identity */
.company-brand { min-width: 300px; }
.company-brand .brand-copy strong { font-size: 17px; letter-spacing: .08em; white-space: nowrap; }
.company-brand .brand-copy small { font-size: 7px; letter-spacing: .14em; white-space: nowrap; }

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -20px 0 36px;
}

.filter-btn {
  padding: 11px 20px;
  color: var(--green-800);
  border: 1px solid #ccd8d1;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.filter-btn:hover,
.filter-btn.active { color: #fff; border-color: var(--green-800); background: var(--green-800); }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.catalog-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e7e3;
  transition: opacity .25s ease, transform .3s ease, box-shadow .3s ease;
}

.catalog-card.filtered-out { display: none; }
.catalog-card:hover { box-shadow: var(--shadow); transform: translateY(-6px); }

.catalog-image {
  position: relative;
  height: 285px;
  overflow: hidden;
  background: #0c241d;
}

.catalog-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(6,38,30,.42), transparent 52%);
  pointer-events: none;
}

.catalog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.02);
  transition: transform .6s ease, filter .4s ease;
}

.catalog-card:hover .catalog-image img { filter: saturate(1) contrast(1.04); transform: scale(1.045); }

.catalog-image span {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 18px;
  color: var(--lime);
  font: 700 9px/1 Arial, sans-serif;
  letter-spacing: .18em;
}

.catalog-copy { padding: 28px 30px 30px; }
.catalog-copy small { color: var(--green-700); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.catalog-copy h3 { margin: 11px 0 12px; color: var(--green-950); font-size: 21px; font-weight: 600; }
.catalog-copy p { min-height: 50px; margin: 0; color: #748079; font-size: 13px; line-height: 1.8; }
.catalog-copy a { display: inline-block; margin-top: 20px; color: var(--green-700); font-size: 11px; font-weight: 700; }

.contact-person-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  padding: 22px 24px;
  color: #fff;
  background: var(--green-800);
}

.contact-person-card span { color: var(--lime); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.contact-person-card strong { font-size: 21px; font-weight: 600; }
.contact-person-card a { color: rgba(255,255,255,.82); font-size: 13px; line-height: 1.6; }
.contact-person-card a:hover { color: var(--lime); }

.floating-contact {
  position: fixed;
  z-index: 45;
  right: 22px;
  bottom: 22px;
  padding: 13px 19px;
  color: #fff;
  background: var(--green-700);
  box-shadow: 0 12px 28px rgba(6,38,30,.25);
  font-size: 12px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease;
}

.floating-contact:hover { background: var(--green-500); transform: translateY(-3px); }

@media (max-width: 1180px) {
  .company-brand { min-width: 245px; }
  .company-brand .brand-copy strong { font-size: 14px; }
  .company-brand .brand-copy small { max-width: 170px; overflow: hidden; text-overflow: ellipsis; }
  .desktop-nav { gap: 18px; }
}

@media (max-width: 900px) {
  .company-brand { min-width: 0; }
  .catalog-grid { grid-template-columns: 1fr 1fr; }
  .catalog-image { height: 235px; }
}

@media (max-width: 640px) {
  .company-brand .brand-copy strong { max-width: 220px; overflow: hidden; font-size: 13px; text-overflow: ellipsis; }
  .company-brand .brand-copy small { max-width: 210px; font-size: 6px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-image { height: 230px; }
  .catalog-copy { padding: 23px 22px 25px; }
  .catalog-copy p { min-height: auto; }
  .product-filters { display: grid; grid-template-columns: repeat(2, 1fr); }
  .filter-btn { padding: 10px 8px; }
  .floating-contact { right: 14px; bottom: 14px; }
}