:root {
  --brand: #18b895;
  --brand-dark: #0b8f75;
  --brand-soft: #dff7f1;
  --ink: #101318;
  --muted: #6f7782;
  --line: rgba(16, 19, 24, 0.1);
  --bg: #f7f9f8;
  --card: rgba(255, 255, 255, 0.78);
  --white: #ffffff;
  --dark: #07100f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(223, 247, 241, 0.45), rgba(247, 249, 248, 0) 620px),
    var(--bg);
  font-family: "Inter", "MiSans", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
}

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

main {
  overflow: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 22px;
  height: 68px;
  padding: 0 42px;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  transition: border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: rgba(16, 19, 24, 0.08);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 40px rgba(16, 19, 24, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 180px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--white);
  background: radial-gradient(circle at 30% 24%, #2bd6b5, var(--ink) 52%);
  font-weight: 800;
}

.brand-text strong,
.brand-text em {
  display: block;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 17px;
  font-weight: 800;
}

.brand-text em {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 500;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #343a41;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.primary-nav a,
.ghost-link,
.text-arrow {
  transition: color 180ms ease;
}

.primary-nav a:hover,
.primary-nav a.active,
.ghost-link:hover,
.text-arrow:hover {
  color: var(--brand-dark);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
}

.ghost-link {
  color: #3d454c;
  font-size: 14px;
  font-weight: 650;
}

.pill-button,
.outline-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, background 220ms ease;
}

.pill-button {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 16px 44px rgba(16, 19, 24, 0.14);
}

.pill-button.glow::before {
  content: "";
  position: absolute;
  inset: -80% -35%;
  background: radial-gradient(circle, rgba(24, 184, 149, 0.45), transparent 60%);
  opacity: 0;
  transition: opacity 240ms ease;
}

.pill-button:hover,
.outline-button:hover {
  transform: translateY(-2px);
}

.pill-button.glow:hover::before {
  opacity: 1;
}

.pill-button.small {
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

.outline-button {
  color: var(--ink);
  border-color: rgba(16, 19, 24, 0.16);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(12px);
}

.text-arrow {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  color: var(--brand-dark);
  font-weight: 800;
}

.text-arrow::after {
  content: ">";
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
  transition: transform 200ms ease;
}

body.menu-open .menu-toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

body.menu-open .menu-toggle span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-panel {
  position: fixed;
  inset: 68px 0 auto;
  z-index: 45;
  display: none;
  padding: 18px 28px 34px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.mobile-panel a {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 800;
}

.mobile-panel a.active {
  color: var(--brand-dark);
}

body.menu-open .mobile-panel {
  display: block;
}

.section-nav {
  position: sticky;
  top: 68px;
  z-index: 40;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  height: 48px;
  border-bottom: 1px solid rgba(16, 19, 24, 0.08);
  background: rgba(247, 249, 248, 0.78);
  backdrop-filter: blur(18px);
  color: #515960;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  overflow-x: auto;
}

.section-nav a {
  position: relative;
  flex: 0 0 auto;
  transition: color 180ms ease;
}

.section-nav a:hover,
.section-nav a.active {
  color: var(--ink);
}

.section-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -16px;
  height: 2px;
  background: var(--brand);
}

.section-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--brand-dark);
}

.hero {
  position: relative;
  min-height: auto;
  padding: 64px max(42px, calc((100% - var(--max)) / 2)) 22px;
  overflow: hidden;
}

.hero::before,
.company::before,
.technology::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(24, 184, 149, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(24, 184, 149, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 60% 38%, black, transparent 68%);
}

.ambient-word {
  position: absolute;
  right: -42px;
  top: 18%;
  color: rgba(16, 19, 24, 0.045);
  font-size: 166px;
  line-height: 1;
  font-weight: 900;
  pointer-events: none;
  animation: slowDrift 12s ease-in-out infinite alternate;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 52px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.philosophy h2,
.contact h2 {
  margin: 0;
  font-weight: 850;
  line-height: 1.04;
}

.hero h1 {
  max-width: 620px;
  font-size: 58px;
}

.hero h1 span {
  display: block;
}

.hero-lede {
  margin: 28px 0 0;
  max-width: 610px;
  color: #2c3339;
  font-size: 28px;
  line-height: 1.35;
  font-weight: 760;
}

.hero-lede span {
  display: inline-block;
  color: var(--brand-dark);
  transition: opacity 260ms ease, transform 260ms ease;
}

.hero-lede em {
  display: block;
  margin-top: 8px;
  font-style: normal;
}

.hero-lede span.is-switching {
  opacity: 0;
  transform: translateY(8px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 178px);
  gap: 12px;
  margin-top: 24px;
}

.hero-metrics div,
.strength-card,
.feature-list article,
.tech-card,
.service-cards article,
.process-card {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 44px rgba(16, 19, 24, 0.07);
}

.hero-metrics div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  padding: 14px 16px;
  border-radius: 8px;
  text-align: center;
}

.hero-metrics strong {
  display: block;
  font-size: 23px;
  line-height: 1.1;
  white-space: nowrap;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

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

.stage-light {
  position: absolute;
  inset: 11% 8% 8% 10%;
  border-radius: 8px;
  background:
    radial-gradient(circle at 62% 40%, rgba(24, 184, 149, 0.34), transparent 38%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(223, 247, 241, 0.52));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.76), var(--shadow);
}

.hero-bracket {
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  translate: 0 -50%;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(16, 19, 24, 0.1);
  animation: floatY 5s ease-in-out infinite;
}

.section-watch {
  scroll-margin-top: 132px;
}

.section-head {
  width: min(760px, 100%);
  margin: 0 auto 46px;
}

.section-head.wide {
  width: min(var(--max), 100%);
}

.section-head h2,
.philosophy h2,
.contact h2 {
  font-size: 56px;
}

.section-head p:last-child,
.philosophy p,
.contact-copy p,
.product-detail p,
.square-content p,
.tech-card p,
.accessory-copy p,
.service p,
.communication p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.philosophy {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 54px;
  align-items: center;
  min-height: 760px;
  padding: 112px max(42px, calc((100% - var(--max)) / 2));
  color: var(--white);
  background: radial-gradient(circle at 50% 40%, #123831, var(--dark) 64%);
  overflow: hidden;
}

.line-field {
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background:
    linear-gradient(120deg, transparent 0 46%, rgba(24, 184, 149, 0.34) 46.2% 46.4%, transparent 46.6%),
    linear-gradient(60deg, transparent 0 54%, rgba(255, 255, 255, 0.18) 54.2% 54.4%, transparent 54.6%);
  background-size: 190px 190px;
}

.philosophy-inner,
.shape-orbit {
  position: relative;
  z-index: 2;
}

.philosophy h3 {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 30px;
  line-height: 1.25;
}

.philosophy p {
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.72);
}

.shape-orbit {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  align-items: center;
}

.shape-orbit span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.88);
  font-size: 96px;
  font-weight: 300;
  animation: shapePulse 5.8s ease-in-out infinite alternate;
}

.shape-orbit span:last-child {
  border-radius: 50%;
  animation-delay: 650ms;
}

.company,
.product-matrix,
.round-system,
.square-system,
.technology,
.parameters,
.selector,
.accessories,
.service,
.communication,
.contact {
  position: relative;
  padding: 108px max(42px, calc((100% - var(--max)) / 2));
}

.company {
  padding-top: 46px;
}

.company .section-head {
  width: min(var(--max), 100%);
  text-align: center;
}

.company .section-head h2 span {
  display: inline;
}

.strength-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  align-items: stretch;
}

.strength-layout.single {
  grid-template-columns: 1fr;
}

.strength-layout.company-split {
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: stretch;
}

.factory-card {
  position: relative;
  overflow: hidden;
  min-height: 500px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.factory-card img {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
  object-position: 34% center;
}

.factory-card::after {
  content: none;
}

.factory-card span,
.product-card span,
.selector-results span {
  display: block;
  color: var(--brand);
  font-size: 12px;
  font-weight: 850;
}

.factory-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
  line-height: 1.18;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.strength-card {
  min-height: 220px;
  padding: 28px;
  border-radius: 8px;
}

.strength-card strong {
  display: block;
  font-size: 34px;
  line-height: 1.05;
}

.strength-card span {
  display: block;
  margin-top: 10px;
  color: var(--brand-dark);
  font-size: 15px;
  font-weight: 800;
}

.strength-card p {
  margin: 28px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.timeline-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: 0;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.timeline-wave {
  display: none;
}

.timeline-wave path {
  fill: none;
  stroke: rgba(24, 184, 149, 0.45);
  stroke-width: 2;
  stroke-dasharray: 1100;
  stroke-dashoffset: 1100;
  transition: stroke-dashoffset 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-wave.drawn path {
  stroke-dashoffset: 0;
}

.timeline-track {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 10px;
  min-height: 0;
  margin-bottom: 34px;
}

.timeline-node {
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 9px;
  min-width: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.timeline-node span {
  color: #5b646c;
  font-size: 14px;
  font-weight: 850;
}

.timeline-node i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(24, 184, 149, 0.4);
  background: var(--white);
  box-shadow: 0 0 0 0 rgba(24, 184, 149, 0);
  transition: background 240ms ease, box-shadow 240ms ease, transform 240ms ease;
}

.timeline-node.active i,
.timeline-node.lit i {
  background: var(--brand);
  transform: scale(1.16);
  box-shadow: 0 0 0 8px rgba(24, 184, 149, 0.12);
}

.timeline-detail {
  width: 100%;
  align-self: center;
  min-height: 184px;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.timeline-detail.is-ready {
  opacity: 1;
  transform: translateY(0);
}

.timeline-detail span {
  color: var(--brand);
  font-size: 18px;
  font-weight: 850;
}

.timeline-detail h3 {
  margin: 12px 0;
  font-size: 28px;
}

.timeline-detail p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.product-matrix {
  padding-top: 92px;
  background: linear-gradient(180deg, var(--bg), #ffffff);
}

.home-product {
  padding-top: 42px;
  padding-bottom: 70px;
}

.home-product .product-rail {
  grid-auto-flow: column;
  grid-template-columns: none;
  grid-auto-columns: minmax(220px, 260px);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 6px 18px 22px;
  overflow-x: auto;
  scroll-snap-type: none;
}

.product-matrix .section-head {
  margin-bottom: 30px;
}

.matrix-tabs,
.selector-filters,
.param-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.product-matrix .matrix-tabs {
  margin-bottom: 22px;
}

.matrix-tabs button,
.selector-filters button,
.param-tabs button {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #3d454c;
  font-weight: 800;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.matrix-tabs button.active,
.selector-filters button.active,
.param-tabs button.active {
  color: var(--white);
  background: var(--ink);
}

.product-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 260px);
  gap: 14px;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 6px 18px 22px;
  overflow-x: auto;
  scroll-padding-left: 18px;
  scroll-snap-type: none;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.product-rail::-webkit-scrollbar {
  display: none;
}

.section-nav::-webkit-scrollbar {
  height: 8px;
}

.section-nav::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(16, 19, 24, 0.18);
}

.product-card {
  position: relative;
  scroll-snap-align: center;
  display: grid;
  min-height: 394px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 18%, rgba(24, 184, 149, 0.18), transparent 42%),
    var(--card);
  backdrop-filter: blur(18px);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition: transform 260ms ease, filter 260ms ease, box-shadow 260ms ease;
}

.product-card:hover {
  transform: translateY(-6px) scale(1.014);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.1);
}

.product-card:not(.is-centered) {
  filter: saturate(0.92);
}

.product-card.is-centered {
  transform: scale(1.01);
}

.product-card.active {
  border-color: rgba(24, 184, 149, 0.52);
}

.product-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center 30%;
  transform: translateY(-2px) scale(1.04);
  transform-origin: center top;
  transition: transform 260ms ease;
}

.product-card:hover img {
  transform: translateY(-7px) scale(1.06) rotate(-1deg);
}

.product-card div {
  padding: 14px 17px 18px;
}

.product-card h3 {
  margin: 7px 0 0;
  font-size: 16px;
  line-height: 1.2;
}

.product-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 34px;
  align-items: center;
  min-height: 430px;
  margin-top: 26px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.product-detail.is-ready {
  opacity: 1;
  transform: translateY(0);
}

.product-detail h3 {
  margin: 0;
  font-size: 40px;
  line-height: 1.12;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}

.feature-tags span,
.design-chips span,
.tech-card em {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
}

details {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

summary {
  cursor: pointer;
  font-weight: 850;
}

.product-detail dl {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding-left: 18px;
  color: #3d454c;
  line-height: 1.55;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.product-detail dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
}

.product-detail dt {
  color: var(--muted);
  font-weight: 800;
}

.product-detail dd {
  margin: 0;
  font-weight: 700;
}

.detail-media {
  position: relative;
  min-height: 360px;
}

.render-img {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 250px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  animation: floatY 5.2s ease-in-out infinite;
}

.pack-img {
  position: absolute;
  right: 0;
  top: 0;
  width: 260px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  animation: floatY 5.8s ease-in-out infinite 450ms;
}

.round-layout,
.square-layout,
.service-layout,
.compare-shell,
.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: center;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-list article {
  min-height: 230px;
  padding: 26px;
  border-radius: 8px;
}

.feature-list span {
  color: var(--brand-dark);
  font-weight: 900;
}

.feature-list h3,
.square-content h3,
.tech-card h3,
.accessory-copy h3,
.service-cards h3,
.support-panel h3,
.compare-table span {
  margin: 22px 0 0;
  font-size: 24px;
  line-height: 1.2;
}

.callout-stage {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.callout-stage img {
  width: 100%;
}

.callout-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.callout-stage path {
  fill: none;
  stroke: var(--brand);
  stroke-width: 2;
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
}

.callout-stage.is-visible path,
.round-system.is-visible .callout-stage path {
  animation: drawLine 900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.upgrade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.upgrade-tile {
  min-height: 170px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  text-align: left;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.upgrade-tile:hover,
.upgrade-tile.active {
  border-color: rgba(24, 184, 149, 0.45);
  background: var(--brand-soft);
  transform: translateY(-4px);
}

.upgrade-tile span {
  color: var(--brand-dark);
  font-weight: 900;
}

.upgrade-tile strong {
  display: block;
  margin-top: 20px;
  font-size: 20px;
}

.upgrade-tile em {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.55;
}

.square-system {
  color: var(--white);
  background: linear-gradient(135deg, #07100f, #0c241f 55%, #102e28);
}

.square-system .section-head p,
.square-system .square-content p {
  color: rgba(255, 255, 255, 0.72);
}

.square-visual {
  overflow: hidden;
  border-radius: 8px;
}

.square-visual img {
  width: 100%;
  height: 650px;
  object-fit: cover;
  object-position: center top;
  opacity: 0.92;
}

.square-content > div:first-child {
  display: grid;
  gap: 16px;
}

.square-content article {
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.square-content h3 {
  margin-top: 0;
}

.design-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.technology {
  background: #ffffff;
}

.tech-card-list {
  display: grid;
  gap: 18px;
}

.tech-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  padding: 32px;
  border-radius: 8px;
}

.tech-card > span {
  color: rgba(24, 184, 149, 0.22);
  font-size: 68px;
  line-height: 1;
  font-weight: 900;
}

.tech-card h3 {
  margin-top: 0;
  font-size: 30px;
}

.tech-card div div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.parameters,
.selector,
.service {
  background: linear-gradient(180deg, #ffffff, var(--bg));
}

.param-table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.param-table-shell.is-ready {
  opacity: 1;
  transform: translateY(0);
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

th {
  color: var(--ink);
  background: rgba(223, 247, 241, 0.48);
  font-weight: 850;
}

td {
  color: #4b545c;
  font-weight: 650;
}

.selector-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.selector-results article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  min-height: 170px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.selector-results img {
  width: 120px;
  height: 134px;
  object-fit: cover;
  border-radius: 8px;
}

.selector-results h3 {
  margin: 8px 0;
  font-size: 22px;
}

.selector-results p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.accessory-list {
  display: grid;
  gap: 24px;
}

.accessory-panel {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 30px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

.accessory-image {
  overflow: hidden;
  border-radius: 8px;
  background: var(--white);
}

.accessory-image img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.accessory-copy h3 {
  margin-top: 0;
  font-size: 36px;
}

.accessory-copy ul {
  display: grid;
  gap: 12px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.accessory-copy li {
  position: relative;
  padding-left: 18px;
  color: #3d454c;
  line-height: 1.55;
}

.accessory-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.spec-scroll {
  margin-top: 16px;
  overflow-x: auto;
}

.service-layout {
  align-items: stretch;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.service .section-head {
  width: min(var(--max), 100%);
}

.service .section-head h2 {
  white-space: nowrap;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.service-cards article {
  min-height: 170px;
  padding: 22px;
  border-radius: 8px;
}

.service-cards span {
  color: var(--brand-dark);
  font-weight: 900;
}

.support-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.support-panel > div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 22px 28px;
}

.support-panel article {
  padding: 18px 24px;
  border-right: 1px solid var(--line);
}

.support-panel article:last-child {
  border-right: 0;
}

.support-panel h3 {
  margin-top: 0;
}

.support-panel p {
  margin: 8px 0 0;
}

.compare-shell {
  align-items: stretch;
}

.compare-visual {
  position: relative;
  overflow: hidden;
  min-height: 500px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.compare-visual img {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
  object-position: center;
}

.compare-toggle {
  position: absolute;
  left: 22px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  font-weight: 850;
  cursor: pointer;
}

.compare-toggle:first-of-type {
  bottom: 76px;
}

.compare-toggle:last-of-type {
  bottom: 24px;
}

.compare-toggle.active {
  color: var(--white);
  background: var(--brand-dark);
}

.compare-table {
  display: grid;
  gap: 12px;
}

.compare-table article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.compare-table span {
  display: block;
  margin-top: 0;
}

.compare-table p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.contact {
  background:
    radial-gradient(circle at 75% 26%, rgba(24, 184, 149, 0.16), transparent 36%),
    #ffffff;
}

.contact-page {
  min-height: calc(100vh - 68px);
  align-items: center;
}

.contact-page h1 {
  margin: 0;
  font-size: 62px;
  line-height: 1.05;
  font-weight: 850;
}

.contact-direct {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.contact-direct span {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 800;
}

.contact-qr-panel {
  display: inline-grid;
  justify-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 44px rgba(16, 19, 24, 0.07);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #343c43;
  font-size: 14px;
  font-weight: 850;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(16, 19, 24, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form textarea {
  min-height: 112px;
  padding-top: 15px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(24, 184, 149, 0.12);
}

.wide-field,
.form-submit,
.form-success {
  grid-column: 1 / -1;
}

.form-submit {
  border: 0;
}

.form-success {
  display: none;
  margin: 0;
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 850;
}

.form-success.show {
  display: block;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  padding: 72px max(42px, calc((100% - var(--max)) / 2));
  color: var(--white);
  background: #0a0f0e;
}

.footer-word {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.94);
  font-size: 64px;
  line-height: 0.92;
  font-weight: 300;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
}

.footer-contact {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 28px;
}

.footer-contact-list {
  display: grid;
  min-width: 280px;
  gap: 14px;
}

.footer-contact-list span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 850;
}

.footer-contact-list a {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.footer-qr-card {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}

.qr-code {
  width: 118px;
  height: 118px;
  padding: 8px;
  border-radius: 8px;
  background: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1), transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

.delay-1 {
  transition-delay: 120ms;
}

@keyframes slowDrift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-34px, 18px, 0);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes shapePulse {
  from {
    transform: scale(0.96);
  }
  to {
    transform: scale(1.03);
  }
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 24px;
  }

  .primary-nav,
  .ghost-link,
  .header-actions .small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    padding: 64px 24px 48px;
  }

  .hero-grid,
  .philosophy,
  .strength-layout,
  .product-detail,
  .round-layout,
  .square-layout,
  .service-layout,
  .compare-shell,
  .contact,
  .accessory-panel {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-stage {
    min-height: 440px;
  }

  .section-head h2,
  .philosophy h2,
  .contact h2 {
    font-size: 46px;
  }

  .contact-page h1 {
    font-size: 46px;
  }

  .selector-results,
  .upgrade-grid,
  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .service .section-head h2 {
    white-space: normal;
  }

  .support-panel > div {
    grid-template-columns: 1fr;
  }

  .support-panel article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .support-panel article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    height: 60px;
    padding: 0 16px;
  }

  .mobile-panel {
    inset: 60px 0 auto;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-text strong {
    font-size: 15px;
  }

  .section-nav {
    top: 60px;
    justify-content: flex-start;
    gap: 18px;
    height: 48px;
    padding: 0 16px;
  }

  .hero,
  .company,
  .product-matrix,
  .round-system,
  .square-system,
  .technology,
  .parameters,
  .selector,
  .accessories,
  .service,
  .communication,
  .contact,
  .philosophy {
    padding: 72px 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .ambient-word {
    top: 26%;
    font-size: 82px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .contact-page h1 {
    font-size: 40px;
  }

  .hero-lede {
    font-size: 22px;
  }

  .hero-lede span {
    min-width: 0;
  }

  .hero-actions {
    gap: 10px;
  }

  .pill-button,
  .outline-button,
  .text-arrow {
    min-height: 42px;
    padding: 0 18px;
    font-size: 14px;
  }

  .hero-metrics,
  .strength-grid,
  .feature-list,
  .service-cards,
  .selector-results,
  .upgrade-grid,
  .contact-form,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-contact {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 30px;
  }

  .hero-metrics div {
    min-height: 104px;
    padding: 14px 10px;
  }

  .hero-metrics strong {
    font-size: 19px;
  }

  .hero-metrics span {
    font-size: 12px;
  }

  .hero-stage {
    min-height: 280px;
  }

  .hero-bracket {
    top: 50%;
    width: 112%;
    left: -6%;
  }

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

  .section-head h2,
  .philosophy h2,
  .contact h2 {
    font-size: 34px;
  }

  .section-head p:last-child,
  .philosophy p,
  .contact-copy p,
  .product-detail p,
  .square-content p,
  .tech-card p,
  .accessory-copy p,
  .service p,
  .communication p {
    font-size: 16px;
  }

  .philosophy {
    min-height: auto;
  }

  .philosophy h3 {
    font-size: 23px;
  }

  .shape-orbit span {
    font-size: 54px;
  }

  .factory-card,
  .factory-card img {
    min-height: 340px;
  }

  .factory-card strong {
    font-size: 24px;
  }

  .timeline-shell {
    padding: 28px 16px;
  }

  .timeline-wave {
    display: none;
  }

  .timeline-track {
    display: flex;
    overflow-x: auto;
    min-height: 76px;
    padding-bottom: 12px;
  }

  .timeline-node {
    min-width: 72px;
  }

  .product-rail {
    grid-auto-columns: minmax(210px, 72%);
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .product-card {
    min-height: 376px;
  }

  .product-card img {
    height: 248px;
  }

  .product-detail {
    padding: 22px;
  }

  .product-detail h3 {
    font-size: 30px;
  }

  .product-detail dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .detail-media {
    min-height: 300px;
  }

  .render-img {
    width: 160px;
  }

  .pack-img {
    width: 170px;
  }

  .square-visual img,
  .accessory-image img {
    height: 420px;
  }

  .tech-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px;
  }

  .tech-card > span {
    font-size: 46px;
  }

  .selector-results article {
    grid-template-columns: 96px 1fr;
  }

  .selector-results img {
    width: 96px;
    height: 114px;
  }

  .compare-visual,
  .compare-visual img {
    min-height: 360px;
  }

  .footer-word {
    font-size: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}