@import url("/css/contact-widget.css");

:root {
  --ink: #082e2c;
  --ink-soft: #17413f;
  --green: #17726d;
  --mint: #69fffa;
  --cyan: #8ed4dd;
  --paper: #f4f8f6;
  --white: #ffffff;
  --line: rgba(8, 46, 44, 0.14);
  --shadow: 0 24px 80px rgba(8, 46, 44, 0.12);
  --radius-lg: 2rem;
  --radius-md: 1.25rem;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(105, 255, 250, 0.14), transparent 24rem),
    var(--paper);
  font-family: Inter, "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(8, 46, 44, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 46, 44, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  padding: 1.5rem 0;
  background: transparent;
  transition: transform 300ms ease;
  will-change: transform;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  width: calc(100% - 5.42rem);
  min-height: 76.8px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.9rem 0.9375rem 0.9rem 1.375rem;
  background: rgba(244, 248, 246, 0.93);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 0.7rem 2.2rem rgba(3, 25, 24, 0.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 17rem;
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  display: block;
  width: 3rem;
  height: 3rem;
  background: var(--ink);
  mask: url("/file/image/img_logo/Stronkin_Germany_Logo_Green.svg") center / contain no-repeat;
  -webkit-mask: url("/file/image/img_logo/Stronkin_Germany_Logo_Green.svg") center / contain
    no-repeat;
}

.brand span {
  font-family: Orbitron, Arial, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.main-nav > a,
.nav-dropdown > button {
  position: relative;
  padding: 0.45rem 0;
  color: var(--ink);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 180ms ease;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-dropdown > button > span {
  width: 0.48rem;
  height: 0.48rem;
  border-right: 1.5px solid;
  border-bottom: 1.5px solid;
  transform: rotate(45deg) translateY(-0.15rem);
}

.main-nav > a:hover,
.main-nav > a:focus-visible,
.nav-dropdown > button:hover,
.nav-dropdown > button:focus-visible {
  color: var(--green);
  outline: none;
}

.nav-dropdown__menu {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 10;
  display: grid;
  min-width: 12rem;
  padding: 0.5rem;
  background: #fff;
  border: 1px solid rgba(8, 46, 44, 0.13);
  border-radius: 0.8rem;
  box-shadow: 0 1rem 2.5rem rgba(8, 46, 44, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -0.45rem);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.nav-dropdown__menu a {
  padding: 0.65rem 0.8rem;
  color: var(--ink);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 0.5rem;
}

.nav-dropdown__menu a:hover,
.nav-dropdown__menu a:focus-visible {
  color: var(--green);
  background: rgba(23, 114, 109, 0.07);
  outline: none;
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-dropdown--language .nav-dropdown__menu {
  min-width: 5rem;
}

.nav-dropdown--language > button {
  font-weight: 700;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 48px;
  padding: 0.85rem 1.3rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  background: var(--mint);
  border: 1px solid var(--mint);
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-cta {
  width: 9.625rem;
  height: 46px;
  min-height: 46px;
  gap: 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.988rem;
  font-weight: 500;
  white-space: nowrap;
  background: #8ed4dd;
  border: 0;
}

.nav-cta b {
  display: grid;
  width: 1.375rem;
  height: 1.375rem;
  flex: 0 0 1.375rem;
  color: #8ed4dd;
  background: var(--ink);
  border-radius: 50%;
  place-items: center;
}

.button:hover,
.nav-cta:hover {
  box-shadow: 0 10px 32px rgba(105, 255, 250, 0.22);
  transform: translateY(-2px);
}

.button svg {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.button--ghost {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
}

.button--dark {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.nav-toggle {
  position: relative;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0.75rem;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible,
.nav-toggle[aria-expanded="true"] {
  color: var(--green);
  background: rgba(23, 114, 109, 0.08);
  outline: none;
}

.nav-toggle::before,
.nav-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 18px;
  height: 1.5px;
  content: "";
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span {
  display: none;
}

.nav-toggle::before {
  transform: translate(-50%, -4px);
}

.nav-toggle::after {
  transform: translate(-50%, 4px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  color: var(--green);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  content: "";
  background: var(--mint);
  border: 2px solid var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(105, 255, 250, 0.16);
}

.catalog-hero {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 77% 30%, rgba(105, 255, 250, 0.2), transparent 24rem),
    linear-gradient(125deg, #062a28 0%, #0a4541 62%, #0c3432 100%);
}

.catalog-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, transparent 49.7%, rgba(105, 255, 250, 0.08) 50%, transparent 50.3%),
    linear-gradient(transparent 49.7%, rgba(105, 255, 250, 0.08) 50%, transparent 50.3%);
  background-size: 90px 90px;
  mask-image: radial-gradient(circle at 80% 45%, black, transparent 53%);
}

.catalog-hero__inner {
  position: relative;
  z-index: 2;
  width: var(--container);
  min-height: 660px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding: 5.5rem 0 6.5rem;
}

.catalog-hero .eyebrow,
.detail-hero .eyebrow {
  color: var(--cyan);
}

.hero-title {
  max-width: 760px;
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(2.75rem, 5.5vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-title span {
  display: block;
  color: var(--mint);
}

html[lang="en"] .hero-title,
html[lang="de"] .hero-title {
  font-size: clamp(2.4rem, 3.9vw, 4rem);
  white-space: nowrap;
}

.hero-copy {
  max-width: 620px;
  margin: 1.6rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero-visual {
  position: relative;
  min-height: 460px;
}

.hero-orbit {
  position: absolute;
  inset: 3rem 0 0 3rem;
  border: 1px solid rgba(105, 255, 250, 0.22);
  border-radius: 50%;
  animation: orbit 28s linear infinite;
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(105, 255, 250, 0.13);
  border-radius: inherit;
}

.hero-orbit::before {
  inset: 2rem;
}

.hero-orbit::after {
  inset: 5rem;
}

.hero-product {
  position: absolute;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(105, 255, 250, 0.35);
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.26);
}

.hero-product img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}

.hero-product--main {
  top: 3rem;
  right: 0;
  width: 82%;
  height: 69%;
  transform: rotate(2deg);
}

.hero-product--side {
  right: 57%;
  bottom: 0;
  width: 45%;
  height: 43%;
  transform: rotate(-4deg);
}

.hero-data {
  position: absolute;
  right: -1rem;
  bottom: 1rem;
  padding: 1rem 1.2rem;
  color: var(--ink);
  background: var(--mint);
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
}

.hero-data strong {
  display: block;
  font-family: Orbitron, Arial, sans-serif;
  font-size: 1.7rem;
}

.hero-data span {
  font-size: 0.76rem;
  font-weight: 700;
}

.category-bar {
  position: relative;
  z-index: 10;
  width: var(--container);
  margin: -2.7rem auto 0;
  padding: 0.75rem;
  display: flex;
  flex-wrap: nowrap;
  gap: 0.6rem;
  overflow-x: auto;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(8, 46, 44, 0.1);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  scrollbar-width: thin;
}

.filter-button {
  flex: 1 0 max-content;
  min-height: 58px;
  padding: 0.75rem 1rem;
  color: var(--ink-soft);
  font: inherit;
  font-size: 1.05rem;
  font-weight: 800;
  white-space: nowrap;
  background: transparent;
  border: 0;
  border-radius: 0.9rem;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

html[lang="en"] .category-bar,
html[lang="de"] .category-bar {
  flex-wrap: wrap;
  overflow-x: visible;
}

html[lang="en"] .filter-button,
html[lang="de"] .filter-button {
  display: grid;
  flex: 1 1 0;
  min-width: 0;
  min-height: 64px;
  place-items: center;
  line-height: 1.2;
  text-align: center;
  text-wrap: balance;
  white-space: normal;
  overflow-wrap: break-word;
  hyphens: auto;
}

.filter-button:hover {
  background: rgba(23, 114, 109, 0.08);
}

.filter-button.is-active {
  color: var(--white);
  background: var(--ink);
}

.catalog-section,
.detail-section {
  width: var(--container);
  margin: 0 auto;
  padding: clamp(5rem, 8vw, 8rem) 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.4rem;
}

.section-heading h2,
.section-heading__title,
.content-block h2,
.related-products h2 {
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.section-heading p {
  max-width: 510px;
  margin: 0;
  color: #58706e;
  line-height: 1.8;
}

.catalog-section > .section-heading .eyebrow {
  transform: translateY(-0.9rem);
}

.category-group + .category-group {
  margin-top: 6rem;
}

.category-group[hidden] {
  display: none;
}

.category-group__header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.category-index {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--mint);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--ink);
  border-radius: 50%;
}

.category-group__header h3 {
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(1.5rem, 2.6vw, 2.35rem);
}

.category-count {
  color: #6c7e7c;
  font-size: 0.82rem;
  font-weight: 700;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
}

.product-card {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.product-card:hover {
  border-color: rgba(23, 114, 109, 0.32);
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.product-card__visual {
  position: relative;
  height: 330px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 55%, rgba(105, 255, 250, 0.19), transparent 13rem),
    #eef4f2;
}

.product-card__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(8, 46, 44, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 46, 44, 0.04) 1px, transparent 1px);
  background-size: 30px 30px;
}

.product-card__image-link {
  position: relative;
  z-index: 1;
  display: block;
  height: 100%;
}

.product-card__image-link:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: -5px;
}

.product-card__visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: 1.7rem;
  object-fit: contain;
  transition: transform 350ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card:hover .product-card__visual img {
  transform: scale(1.04);
}

.product-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 3;
  padding: 0.45rem 0.7rem;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  pointer-events: none;
  background: var(--mint);
  border-radius: 999px;
}

.product-card__body {
  padding: 1.6rem 1.7rem 1.8rem;
}

.product-card__body h4 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.35;
}

.product-card__body p {
  min-height: 3.6em;
  margin: 0.8rem 0 1.3rem;
  color: #607775;
  line-height: 1.75;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.product-tags span {
  padding: 0.35rem 0.55rem;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
  background: rgba(23, 114, 109, 0.08);
  border-radius: 999px;
}

.card-link {
  display: inline-flex;
  flex: 0 0 auto;
  height: 42px;
  align-items: center;
  gap: 0.35rem;
  padding: 0 0.9rem 0 1rem;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  background: var(--ink);
  border-radius: 999px;
}

.card-link svg {
  width: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.catalog-cta {
  position: relative;
  width: var(--container);
  margin: 0 auto 7rem;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius-lg);
}

.catalog-cta::after {
  position: absolute;
  top: -100px;
  right: -80px;
  width: 340px;
  height: 340px;
  content: "";
  border: 70px solid rgba(105, 255, 250, 0.1);
  border-radius: 50%;
}

.catalog-cta__inner {
  position: relative;
  z-index: 2;
  padding: clamp(2.4rem, 6vw, 5.4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.catalog-cta h2 {
  max-width: 680px;
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(2rem, 4.4vw, 4.5rem);
  font-weight: 500;
  line-height: 1.05;
}

.catalog-cta p {
  max-width: 680px;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
}

.site-footer {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3.4rem, 5.5vw, 5rem) 0 clamp(1.75rem, 3vw, 3rem);
  color: rgba(234, 255, 255, 0.78);
  background-color: #0a3633;
  background-image:
    linear-gradient(rgba(22, 77, 73, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 77, 73, 0.7) 1px, transparent 1px);
  background-size: 50px 50px;
}

.site-footer::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(105, 255, 250, 0.11), transparent 25rem),
    linear-gradient(180deg, rgba(10, 54, 51, 0.08), rgba(5, 31, 30, 0.76));
}

.site-footer__inner {
  width: calc(100% - 5.42rem);
  margin: 0 auto;
}

.site-footer__main {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(23rem, 30rem) minmax(0, 1fr);
  gap: clamp(3rem, 7vw, 7rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.site-footer-card {
  position: relative;
  display: flex;
  width: 100%;
  max-width: 26rem;
  min-height: 22rem;
  margin-top: -1rem;
  margin-left: 4rem;
  flex-direction: column;
  padding: 1.75rem;
  overflow: hidden;
  color: #eaffff;
  text-decoration: none;
  background:
    linear-gradient(135deg, rgba(105, 255, 250, 0.12), transparent 42%),
    rgba(8, 46, 44, 0.86);
  border: 1px solid rgba(142, 212, 221, 0.38);
  border-radius: 1.6rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 1.4rem 3.5rem rgba(3, 25, 24, 0.24);
  transition:
    border-color 240ms ease,
    box-shadow 240ms ease,
    transform 240ms ease;
  isolation: isolate;
}

.site-footer-card::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(142, 212, 221, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 212, 221, 0.07) 1px, transparent 1px);
  background-size: 2rem 2rem;
  mask-image: linear-gradient(135deg, #000, transparent 72%);
}

.site-footer-card::after {
  position: absolute;
  right: -5rem;
  bottom: -6rem;
  z-index: -1;
  width: 15rem;
  height: 15rem;
  content: "";
  pointer-events: none;
  border: 1px solid rgba(105, 255, 250, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 2.2rem rgba(105, 255, 250, 0.025),
    0 0 0 4.6rem rgba(105, 255, 250, 0.018);
}

.site-footer-card:hover,
.site-footer-card:focus-visible {
  color: #fff;
  border-color: rgba(105, 255, 250, 0.76);
  outline: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 1.5rem 4rem rgba(3, 25, 24, 0.3),
    0 0 2.2rem rgba(105, 255, 250, 0.12);
  transform: translateY(-4px);
}

.site-footer-card__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
  color: #8ed4dd;
  font-family: Orbitron, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-footer-card__status {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #69fffa;
  box-shadow: 0 0 0 0.25rem rgba(105, 255, 250, 0.1), 0 0 0.8rem #69fffa;
}

.site-footer-card__head {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-footer-card__mark {
  position: relative;
  display: grid;
  width: 5.4rem;
  height: 5.4rem;
  flex: 0 0 auto;
  border: 1px solid rgba(105, 255, 250, 0.4);
  border-radius: 1.35rem;
  background:
    radial-gradient(circle at 35% 30%, rgba(105, 255, 250, 0.18), transparent 55%),
    rgba(10, 54, 51, 0.82);
  box-shadow:
    inset 0 0 1.4rem rgba(105, 255, 250, 0.08),
    0 0 1.8rem rgba(105, 255, 250, 0.08);
  place-items: center;
}

.site-footer-card__mark::before,
.site-footer-card__mark::after {
  position: absolute;
  width: 0.65rem;
  height: 0.65rem;
  content: "";
  border-color: #69fffa;
  opacity: 0.85;
}

.site-footer-card__mark::before {
  top: 0.42rem;
  left: 0.42rem;
  border-top: 1px solid;
  border-left: 1px solid;
}

.site-footer-card__mark::after {
  right: 0.42rem;
  bottom: 0.42rem;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.site-footer-card__mark-image {
  display: block;
  width: 3.8rem;
  height: 3.8rem;
  background: linear-gradient(145deg, #dfffff, #69fffa 55%, #8ed4dd);
  filter: drop-shadow(0 0 0.7rem rgba(105, 255, 250, 0.38));
  mask: url("/file/image/img_logo/Stronkin_Germany_Logo_Green.svg") center / contain no-repeat;
  -webkit-mask: url("/file/image/img_logo/Stronkin_Germany_Logo_Green.svg") center / contain
    no-repeat;
}

.site-footer-card__head strong,
.site-footer-card__head small {
  display: block;
  font-family: Orbitron, sans-serif;
}

.site-footer-card__head strong {
  color: #fff;
  font-size: clamp(1.15rem, 1.55vw, 1.55rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0.035em;
}

.site-footer-card__head small {
  margin-top: 0.3rem;
  color: #8ed4dd;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer-card__statement {
  margin-top: 1.55rem;
  color: rgba(234, 255, 255, 0.8);
  font-size: 0.94rem;
  line-height: 1.75;
}

.site-footer-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.site-footer-card__tags span {
  padding: 0.42rem 0.66rem;
  color: #bde8e9;
  font-size: 0.72rem;
  line-height: 1;
  background: rgba(105, 255, 250, 0.055);
  border: 1px solid rgba(142, 212, 221, 0.2);
  border-radius: 999px;
}

.site-footer-card__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1.45rem;
  color: #69fffa;
  font-family: Orbitron, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-footer-card__action b {
  display: grid;
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid rgba(105, 255, 250, 0.38);
  border-radius: 50%;
  place-items: center;
}

.site-footer__menus {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-top: 1rem;
}

.site-footer__column h3 {
  margin: 0 0 1.4rem;
  color: #8ed4dd;
  font-family: Orbitron, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer__column a {
  display: block;
  width: fit-content;
  margin: 0.75rem 0;
  color: #fff;
  font-size: 1.125rem;
  line-height: 1.7;
  text-decoration: none;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.site-footer__column a:hover,
.site-footer__column a:focus-visible {
  color: #69fffa;
  transform: translateX(0.2rem);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
}

.site-footer__bottom > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
}

.site-footer__contact {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  flex: 0 0 auto;
  padding: 0.7rem 0.8rem 0.7rem 1.1rem;
  color: #0a3633;
  font-weight: 700;
  text-decoration: none;
  background: #8ed4dd;
  border-radius: 999px;
}

.site-footer__contact b {
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  color: #8ed4dd;
  background: #0a3633;
  border-radius: 50%;
  place-items: center;
}

/* Product detail */
.detail-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 40%, rgba(105, 255, 250, 0.16), transparent 27rem),
    var(--ink);
}

.detail-hero__inner {
  width: var(--container);
  min-height: 650px;
  margin: 0 auto;
  padding: 8.5rem 0 5rem;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.breadcrumbs {
  margin-bottom: 2.2rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.78rem;
}

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

.breadcrumbs span {
  margin: 0 0.6rem;
}

.detail-title {
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.detail-summary {
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  line-height: 1.85;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.detail-tags span {
  padding: 0.5rem 0.7rem;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  border: 1px solid rgba(142, 212, 221, 0.3);
  border-radius: 999px;
}

.detail-visual {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(105, 255, 250, 0.2), transparent 18rem),
    rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(105, 255, 250, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.24);
}

.detail-visual::before,
.detail-visual::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border-color: var(--green);
  opacity: 0.6;
}

.detail-visual::before {
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border-top: 1px solid;
  border-right: 1px solid;
}

.detail-visual::after {
  bottom: 1rem;
  left: 1rem;
  width: 48px;
  height: 48px;
  border-bottom: 1px solid;
  border-left: 1px solid;
}

.detail-visual img {
  width: 100%;
  height: 100%;
  max-height: 450px;
  padding: 2rem;
  object-fit: contain;
}

.detail-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.sticky-title {
  position: sticky;
  top: 120px;
}

.sticky-title .section-heading__title {
  font-size: clamp(1.45rem, 2.8vw, 2.9rem);
  white-space: nowrap;
}

.overview-media {
  position: relative;
  width: 100%;
  height: 440px;
  margin: 2rem 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(105, 255, 250, 0.18), transparent 70%),
    #eaf1ef;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  box-shadow: 0 20px 50px rgba(15, 43, 40, 0.12);
}

.overview-media img,
.overview-media video {
  display: block;
  width: 100%;
  height: 100%;
}

.overview-media img {
  padding: 1rem;
  object-fit: contain;
}

.overview-media video {
  object-fit: cover;
  background: #071311;
}

.overview-media__play {
  position: absolute;
  inset: 50% auto auto 50%;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.7rem 1rem;
  color: var(--white);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  background: rgba(7, 19, 17, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  transition: background 180ms ease, transform 180ms ease;
}

.overview-media__play:hover,
.overview-media__play:focus-visible {
  background: var(--green);
}

.overview-media__play-icon {
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid currentColor;
}

.overview-media.is-playing .overview-media__play {
  inset: auto auto 0.8rem 0.8rem;
  transform: none;
}

.overview-media.is-playing .overview-media__play-icon {
  width: 9px;
  height: 12px;
  border: 0;
  border-right: 3px solid currentColor;
  border-left: 3px solid currentColor;
}

.overview-media__fullscreen {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 42px;
  padding: 0.65rem 0.85rem;
  color: var(--white);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
  background: rgba(7, 19, 17, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.overview-media__fullscreen:hover,
.overview-media__fullscreen:focus-visible {
  background: var(--green);
}

.overview-media__fullscreen svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.overview-media:fullscreen {
  width: 100vw;
  height: 100vh;
  margin: 0;
  background: #000;
  border: 0;
  border-radius: 0;
}

.overview-media:fullscreen video {
  object-fit: contain;
}

.content-block > p {
  margin: 0 0 2rem;
  color: #526c69;
  font-size: 1.05rem;
  line-height: 1.9;
}

.feature-list {
  display: grid;
  gap: 0.65rem;
}

.feature-item {
  padding: 0.9rem 1rem;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0.8rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.feature-item__index {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: var(--green);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(105, 255, 250, 0.25);
  border-radius: 50%;
}

.feature-item h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.feature-item p {
  margin: 0;
  color: #617774;
  font-size: 0.86rem;
  line-height: 1.5;
}

.specs-panel {
  width: var(--container);
  margin: 0 auto;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius-lg);
}

.specs-panel__inner {
  padding: clamp(2rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(2rem, 6vw, 6rem);
}

.specs-panel h2 {
  margin: 0;
  font-family: Orbitron, "Microsoft YaHei", sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 3.3rem);
  font-weight: 500;
}

.specs-panel p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.spec-list {
  display: grid;
}

.spec-row {
  padding: 1rem 0;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.spec-row:first-child {
  padding-top: 0;
}

.spec-row span {
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.82rem;
}

.spec-row strong {
  font-size: 0.92rem;
  line-height: 1.6;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.application-card {
  min-height: 210px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.application-card span {
  color: var(--green);
  font-family: Orbitron, Arial, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
}

.application-card h3 {
  margin: 3rem 0 0;
  font-size: 1.15rem;
  line-height: 1.45;
}

.related-products {
  width: var(--container);
  margin: 0 auto;
  padding: 7rem 0;
}

.related-products__grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.related-card {
  min-height: 170px;
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 1.4rem;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.related-card:hover {
  box-shadow: 0 20px 50px rgba(8, 46, 44, 0.1);
  transform: translateY(-4px);
}

.related-card img {
  width: 150px;
  height: 130px;
  padding: 0.5rem;
  object-fit: contain;
  background: #edf3f1;
  border-radius: 1rem;
}

.related-card small {
  color: var(--green);
  font-weight: 800;
}

.related-card h3 {
  margin: 0.45rem 0 0;
  line-height: 1.4;
}

@keyframes orbit {
  to {
    transform: rotate(1turn);
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 0.75rem 0;
  }

  .site-header__inner {
    width: calc(100% - 2rem);
  }

  .brand {
    min-width: 0;
  }

  .main-nav {
    position: absolute;
    top: calc(100% - 0.3rem);
    right: 1rem;
    left: 1rem;
    display: none;
    padding: 1.2rem 20px 1.5rem;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    background: #f4f8f6;
    border: 1px solid rgba(8, 46, 44, 0.13);
    border-radius: 1rem;
    box-shadow: 0 1rem 2.5rem rgba(8, 46, 44, 0.18);
  }

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

  .main-nav > a,
  .nav-dropdown > button {
    width: 100%;
    padding: 0.9rem 0;
    text-align: left;
  }

  .nav-dropdown > button {
    justify-content: space-between;
  }

  .nav-dropdown__menu {
    position: static;
    display: none;
    min-width: 0;
    box-shadow: none;
    opacity: 1;
    transform: none;
  }

  .nav-dropdown:focus-within .nav-dropdown__menu {
    display: grid;
    transform: none;
  }

  .main-nav a::after,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"]::before {
    transform: translate(-50%, 0) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"]::after {
    transform: translate(-50%, 0) rotate(-45deg);
  }

  .catalog-hero__inner,
  .detail-hero__inner {
    grid-template-columns: 1fr;
  }

  .catalog-hero__inner {
    padding-top: 4rem;
  }

  .hero-visual {
    width: min(640px, 100%);
    margin: 0 auto;
  }

  .detail-hero__inner {
    padding-top: 7rem;
  }

  .detail-overview,
  .specs-panel__inner {
    grid-template-columns: 1fr;
  }

  .sticky-title {
    position: static;
  }

  .site-footer__main {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    width: calc(100% - 2rem);
  }

  .site-footer-card {
    max-width: 26rem;
    margin-top: 0;
    margin-left: 0;
  }
}

@media (min-width: 681px) and (max-width: 980px) {
  html[lang="en"] .filter-button,
  html[lang="de"] .filter-button {
    flex-basis: calc(33.333% - 0.4rem);
  }
}

@media (max-width: 680px) {
  :root {
    --container: min(1180px, calc(100vw - 28px));
    --radius-lg: 1.4rem;
  }

  .site-header__inner {
    min-height: 66px;
  }

  .brand span {
    font-size: 0.9rem;
  }

  .brand__mark {
    width: 2rem;
    height: 2rem;
  }

  .hero-title {
    font-size: clamp(2.45rem, 12.5vw, 3.6rem);
  }

  html[lang="en"] .hero-title,
  html[lang="de"] .hero-title {
    font-size: clamp(1.2rem, 6.2vw, 2.4rem);
  }

  .catalog-hero__inner {
    min-height: auto;
    padding: 3.5rem 0 6rem;
  }

  html[lang="en"] .filter-button,
  html[lang="de"] .filter-button {
    flex-basis: calc(50% - 0.3rem);
    min-height: 62px;
    padding: 0.6rem 0.5rem;
    font-size: 0.9rem;
  }

  .hero-visual {
    min-height: 350px;
  }

  .hero-product--main {
    width: 86%;
    height: 67%;
  }

  .hero-product--side {
    right: 50%;
    width: 50%;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .product-grid,
  .application-grid,
  .related-products__grid {
    grid-template-columns: 1fr;
  }

  .category-group__header {
    grid-template-columns: auto 1fr;
  }

  .category-count {
    display: none;
  }

  .product-card__visual {
    height: 270px;
  }

  .catalog-cta__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .detail-hero__inner {
    min-height: auto;
  }

  .detail-visual {
    min-height: 330px;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .related-card {
    grid-template-columns: 105px 1fr;
  }

  .related-card img {
    width: 105px;
    height: 100px;
  }

  .site-footer__menus {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .site-footer__column h3 {
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
  }

  .site-footer__column a {
    margin: 0.25rem 0;
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .site-footer-card {
    max-width: none;
    min-height: 20rem;
    padding: 1.35rem;
  }

  .site-footer-card__mark {
    width: 4.6rem;
    height: 4.6rem;
  }

  .site-footer-card__mark-image {
    width: 3.2rem;
    height: 3.2rem;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}