:root {
  --green: #1ea05d;
  --green-dark: #0f1915;
  --logo-gray: #919191;
  --ink: #111414;
  --charcoal: #2b2f2f;
  --muted: #687071;
  --paper: #f6f8f7;
  --paper-strong: #f3f6f4;
  --band-about: #eef5f1;
  --band-muted: #f1f5f2;
  --band-product: #fbfcfb;
  --band-manufacturing: #e7f0eb;
  --card-surface: linear-gradient(180deg, #fbfdfb 0%, #f6faf7 100%);
  --line: rgba(255, 255, 255, 0.14);
  --shadow-soft: 0 16px 44px rgba(17, 20, 20, 0.1);
  --shadow-strong: 0 22px 70px rgba(17, 20, 20, 0.22);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--charcoal);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.7;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 22px;
  color: #fff;
  font-size: 4.5rem;
}

h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 38px;
}

h3 {
  margin-bottom: 12px;
  color: inherit;
  font-size: 22px;
  line-height: 1.35;
}

p {
  margin-bottom: 0;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 20px 34px;
  color: #fff;
  background: linear-gradient(180deg, rgba(17, 20, 20, 0.86), rgba(17, 20, 20, 0.18));
  transition: background 0.2s ease, border-color 0.2s ease, padding 0.2s ease;
}

.site-header.is-scrolled {
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(17, 20, 20, 0.94);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  width: 210px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 6px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.site-nav a.is-active {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 86vh;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 88px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(17, 20, 20, 0) 0%,
    rgba(17, 20, 20, 0.28) 54%,
    rgba(17, 20, 20, 0.48) 100%
  );
  content: "";
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  background-image:
    linear-gradient(90deg, rgba(17, 20, 20, 0.96), rgba(17, 20, 20, 0.72) 44%, rgba(17, 20, 20, 0.35)),
    var(--hero-image);
  background-position: center;
  background-size: cover;
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.hero-slide.is-active .hero-logo,
.hero-slide.is-active .eyebrow,
.hero-slide.is-active h1,
.hero-slide.is-active h2,
.hero-slide.is-active .hero-copy,
.hero-slide.is-active .hero-actions {
  animation: heroIn 0.7s ease both;
}

.hero-slide.is-active .eyebrow {
  animation-delay: 0.08s;
}

.hero-slide.is-active h1,
.hero-slide.is-active h2 {
  animation-delay: 0.14s;
}

.hero-slide.is-active .hero-copy {
  animation-delay: 0.2s;
}

.hero-slide.is-active .hero-actions {
  animation-delay: 0.26s;
}

.hero-slide::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, transparent 0 48%, rgba(30, 160, 93, 0.28) 48.1% 48.4%, transparent 48.5%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 96px);
  content: "";
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 40px));
  margin-left: max(34px, calc((100vw - var(--max)) / 2));
  padding-top: 88px;
}

.hero-logo {
  width: 330px;
  margin-bottom: 36px;
}

.eyebrow {
  margin-bottom: 14px;
  color: #d2d8d4;
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h2 {
  max-width: 820px;
  color: #fff;
  font-size: 3.55rem;
}

.hero-copy {
  max-width: 670px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 17px;
  font-weight: 800;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary {
  color: var(--ink);
  background: var(--green);
  box-shadow: 0 12px 30px rgba(30, 160, 93, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #2db86e;
  box-shadow: 0 16px 40px rgba(30, 160, 93, 0.32);
  transform: translateY(-2px);
}

.btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

.hero-controls {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 14px;
  transform: translateX(-50%);
}

.hero-arrow,
.hero-dot {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  background: rgba(17, 20, 20, 0.55);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.hero-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
}

.hero-dots {
  display: flex;
  gap: 8px;
}

.hero-dot {
  width: 34px;
  height: 8px;
  padding: 0;
  border-radius: 999px;
}

.hero-dot.is-active {
  border-color: var(--green);
  background: var(--green);
}

.hero-arrow:hover,
.hero-arrow:focus-visible {
  border-color: var(--green);
  background: rgba(30, 160, 93, 0.82);
  transform: translateY(-2px);
}

.intro-band {
  border-top: 1px solid rgba(30, 160, 93, 0.08);
  border-bottom: 1px solid rgba(17, 20, 20, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0) 34%),
    var(--band-about);
  box-shadow: inset 0 18px 38px rgba(17, 20, 20, 0.035);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: 48px;
  align-items: stretch;
}

.about-copy {
  align-self: center;
}

.about-copy-card > p:not(.section-kicker),
.manufacturing-flow > p:not(.section-kicker),
.products-section .section-heading p,
.support-section .section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.about-point-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.about-point-card,
.feature-card,
.product-card,
.contact-card {
  border: 1px solid rgba(30, 160, 93, 0.12);
  border-radius: 8px;
  background: var(--card-surface);
  box-shadow: 0 1px 0 rgba(17, 20, 20, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.about-point-card {
  min-height: 196px;
  padding: 22px;
}

.about-point-card h3,
.feature-card h3,
.product-card h3 {
  color: var(--ink);
}

.about-point-card p,
.feature-card p,
.product-card p {
  color: var(--muted);
  font-size: 17px;
}

.about-point-card:hover,
.feature-card:hover,
.product-card:hover {
  border-color: rgba(30, 160, 93, 0.42);
  background: linear-gradient(180deg, #fff 0%, #f4fbf6 100%);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.78);
  transform: translateY(-4px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border: 1px solid rgba(30, 160, 93, 0.18);
  border-radius: 8px;
  color: var(--green);
  background: rgba(30, 160, 93, 0.08);
}

.card-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-point-card:hover .card-icon,
.feature-card:hover .card-icon,
.product-card:hover .card-icon {
  border-color: rgba(30, 160, 93, 0.42);
  background: rgba(30, 160, 93, 0.16);
}

.about-photo-card {
  position: relative;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--green-dark);
  box-shadow: var(--shadow-soft);
}

.about-photo-card img {
  width: 100%;
  height: 100%;
  min-height: 570px;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.06) saturate(0.94);
  transition: filter 0.28s ease, transform 0.36s ease;
}

.about-photo-card:hover img {
  filter: brightness(0.96) contrast(1.04) saturate(0.98);
  transform: scale(1.03);
}

.about-photo-card figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #fff;
  background: rgba(15, 25, 21, 0.78);
  backdrop-filter: blur(10px);
}

.about-photo-card figcaption strong,
.about-photo-card figcaption span {
  display: block;
}

.about-photo-card figcaption span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
}

.strength-section {
  border-bottom: 1px solid rgba(17, 20, 20, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0) 42%),
    var(--band-muted);
}

.strength-section .section-heading {
  max-width: 760px;
  margin: 0 0 34px;
  text-align: left;
}

.strength-section .section-heading h2 {
  margin-bottom: 14px;
}

.strength-section .section-heading p:not(.section-kicker) {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(30, 160, 93, 0.13);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 249, 0.96)),
    #fff;
  box-shadow: 0 18px 50px rgba(17, 20, 20, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.feature-card {
  position: relative;
  display: flex;
  min-height: 286px;
  flex-direction: column;
  overflow: hidden;
  padding: 36px 32px 34px;
  border: 0;
  border-right: 1px solid rgba(30, 160, 93, 0.12);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.feature-card:last-child {
  border-right: 0;
}

.feature-card:hover {
  border-color: rgba(30, 160, 93, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(239, 248, 243, 0.68));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
  transform: none;
}

.feature-card .card-number {
  display: none;
}

.feature-card .card-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 30px;
}

.feature-card .card-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 22px;
}

.feature-card h3::before {
  display: block;
  width: 3px;
  height: 18px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--green), rgba(30, 160, 93, 0.28));
  content: "";
  transition: height 0.22s ease, background 0.22s ease;
}

.feature-card:hover h3::before {
  height: 24px;
  background: linear-gradient(180deg, var(--green), rgba(30, 160, 93, 0.48));
}

.feature-card p {
  margin-bottom: 0;
  line-height: 1.78;
}

.card-number {
  display: block;
  margin-bottom: 40px;
  color: var(--green);
  font-size: 15px;
  font-weight: 900;
}

.products-section {
  border-top: 1px solid rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(17, 20, 20, 0.07);
  background:
    linear-gradient(180deg, #fff 0%, var(--band-product) 26%, #f7faf8 100%);
  box-shadow: inset 0 18px 40px rgba(17, 20, 20, 0.028);
}

.product-system {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 34px;
  padding: 16px 18px;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
}

.product-system::before {
  position: absolute;
  top: 38px;
  left: 42px;
  right: 42px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(30, 160, 93, 0.22), transparent);
  content: "";
  opacity: 0.72;
}

.system-node {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  min-height: 104px;
  padding: 2px 12px 0;
  text-align: center;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.system-node:hover {
  transform: translateY(-3px);
}

.system-node .card-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 12px;
  border-color: rgba(30, 160, 93, 0.16);
  background: #fff;
  box-shadow: 0 8px 20px rgba(17, 20, 20, 0.06);
}

.system-node .card-icon svg {
  width: 22px;
  height: 22px;
}

.system-node h3 {
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.35;
}

.system-node p {
  color: var(--muted);
  font-size: 14px;
}

.product-module-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 322px;
  overflow: hidden;
  padding: 34px 32px 30px;
  border-color: rgba(30, 160, 93, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 250, 246, 0.92)),
    #fff;
  box-shadow: 0 14px 38px rgba(17, 20, 20, 0.075), inset 0 1px 0 rgba(255, 255, 255, 0.78);
  grid-column: span 2;
}

.product-card::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), rgba(30, 160, 93, 0.16));
  content: "";
}

.product-card:nth-last-child(2) {
  grid-column: 2 / span 2;
}

.product-card:last-child {
  grid-column: 4 / span 2;
}

.product-card h3 {
  margin-bottom: 16px;
  font-size: 22px;
}

.product-card .card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 26px;
  background: rgba(30, 160, 93, 0.1);
}

.product-card > span:not(.card-icon) {
  display: block;
  width: 100%;
  position: relative;
  margin-top: auto;
  padding: 18px 0 0;
  border: 0;
  border-top: 1px solid rgba(30, 160, 93, 0.15);
  border-radius: 0;
  color: rgba(17, 20, 20, 0.64);
  background: transparent;
  font-size: 15px;
  font-weight: 900;
}

.product-card > span:not(.card-icon)::before {
  content: none;
}

.product-card:hover {
  border-color: rgba(30, 160, 93, 0.34);
  background:
    linear-gradient(180deg, #fff 0%, #f2fbf6 100%),
    #fff;
  box-shadow: 0 18px 46px rgba(17, 20, 20, 0.11), inset 0 1px 0 rgba(255, 255, 255, 0.86);
  transform: translateY(-3px);
}

.product-ecosystem {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: center;
  margin-top: 34px;
  padding: 34px 38px;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(30, 160, 93, 0.2), transparent 42%),
    var(--green-dark);
  box-shadow: var(--shadow-soft);
}

.product-ecosystem h3 {
  margin-bottom: 0;
  color: #fff;
  font-size: 28px;
}

.product-ecosystem p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.manufacturing-section {
  border-top: 1px solid rgba(30, 160, 93, 0.14);
  border-bottom: 1px solid rgba(17, 20, 20, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0) 38%),
    var(--band-manufacturing);
  box-shadow: inset 0 18px 42px rgba(17, 20, 20, 0.04);
}

.manufacturing-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 42px;
  align-items: stretch;
}

.manufacturing-main-photo {
  height: 100%;
  min-height: 602px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--green-dark);
  box-shadow: var(--shadow-soft);
}

.manufacturing-main-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.06) saturate(0.94);
  transition: filter 0.28s ease, transform 0.36s ease;
}

.manufacturing-main-photo:hover img {
  filter: brightness(0.96) contrast(1.04) saturate(0.98);
  transform: scale(1.03);
}

.process-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.process-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 0 16px;
  padding: 14px 16px;
  border: 1px solid rgba(30, 160, 93, 0.12);
  border-left: 3px solid rgba(30, 160, 93, 0.62);
  border-radius: 8px;
  background: var(--card-surface);
  box-shadow: 0 1px 0 rgba(17, 20, 20, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.process-card:hover {
  border-color: rgba(30, 160, 93, 0.4);
  background: linear-gradient(180deg, #fff 0%, #f4fbf6 100%);
  box-shadow: 0 14px 32px rgba(17, 20, 20, 0.1);
  transform: translateY(-2px);
}

.process-card span {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.process-card h3 {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 19px;
}

.process-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.process-card p strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 15px;
}

.manufacturing-proof {
  margin-top: 14px;
  padding: 16px 18px;
  border-left: 4px solid var(--green);
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(30, 160, 93, 0.2), transparent 48%),
    var(--green-dark);
  box-shadow: 0 14px 34px rgba(17, 20, 20, 0.12);
}

.manufacturing-proof strong {
  display: block;
  font-size: 17px;
  line-height: 1.65;
}

.manufacturing-photo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.manufacturing-photo-wall figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--green-dark);
  box-shadow: 0 16px 42px rgba(17, 20, 20, 0.12);
}

.manufacturing-photo-wall img {
  width: 100%;
  aspect-ratio: 1.28 / 1;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.06) saturate(0.94);
  transition: filter 0.24s ease, transform 0.28s ease;
}

.manufacturing-photo-wall figure:hover img {
  filter: brightness(0.98) contrast(1.04) saturate(0.98);
  transform: scale(1.035);
}

.manufacturing-photo-wall figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #fff;
  background: rgba(15, 25, 21, 0.76);
  font-size: 14px;
  font-weight: 900;
  backdrop-filter: blur(8px);
}

.history-section {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(15, 25, 21, 0.96), rgba(16, 26, 22, 0.98)),
    var(--green-dark);
}

.history-section::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 25, 21, 0.28), rgba(15, 25, 21, 0.92)),
    url("assets/gallery-machines.jpg") center / cover;
  content: "";
  opacity: 0.14;
}

.history-section .container {
  position: relative;
  z-index: 1;
}

.history-section h2 {
  color: #fff;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  padding-top: 24px;
}

.timeline::before {
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(30, 160, 93, 0.72), transparent);
  content: "";
}

.timeline article {
  position: relative;
  min-height: 240px;
  padding: 30px 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.045);
  font-size: 17px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.timeline article::before {
  position: absolute;
  top: -25px;
  left: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(30, 160, 93, 0.14);
  content: "";
}

.timeline time {
  display: block;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.62);
  font-weight: 900;
}

.timeline h3 {
  color: #fff;
}

.timeline article:hover {
  border-color: rgba(30, 160, 93, 0.46);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-3px);
}

.support-section {
  background: #f8faf8;
}

.support-path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  padding: 30px;
  border: 1px solid rgba(30, 160, 93, 0.13);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(15, 25, 21, 0.045), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 248, 0.94)),
    #fff;
  box-shadow: 0 20px 54px rgba(17, 20, 20, 0.075), inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.support-path::before {
  position: absolute;
  top: 32px;
  left: 54px;
  right: 54px;
  height: 1px;
  background: linear-gradient(90deg, rgba(30, 160, 93, 0), rgba(30, 160, 93, 0.42), rgba(30, 160, 93, 0));
  content: "";
  opacity: 0.78;
}

.support-step {
  position: relative;
  min-height: 210px;
  overflow: hidden;
  padding: 48px 28px 4px;
  border-right: 1px solid rgba(30, 160, 93, 0.11);
  transition: background 0.22s ease;
}

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

.support-step:hover {
  background: linear-gradient(180deg, rgba(30, 160, 93, 0.045), rgba(30, 160, 93, 0));
}

.support-step h3 {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 22px;
  transition: color 0.22s ease;
}

.support-step h3::before {
  display: block;
  width: 3px;
  height: 20px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--green), rgba(30, 160, 93, 0.24));
  content: "";
  transition: height 0.22s ease, background 0.22s ease;
}

.support-step:hover h3 {
  color: #0f3c2a;
}

.support-step:hover h3::before {
  height: 24px;
  background: linear-gradient(180deg, var(--green), rgba(30, 160, 93, 0.52));
}

.support-step p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.contact-section {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(17, 20, 20, 0.96), rgba(17, 20, 20, 0.82)),
    url("assets/banner-factory.jpg") center / cover;
}

.contact-section h2 {
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.contact-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.contact-route-grid article {
  min-height: 146px;
  padding: 18px;
  border: 1px solid rgba(30, 160, 93, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.contact-route-grid article:hover {
  border-color: rgba(30, 160, 93, 0.5);
  background: rgba(30, 160, 93, 0.12);
  transform: translateY(-2px);
}

.contact-route-grid span {
  display: block;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.contact-route-grid strong {
  display: block;
  color: #fff;
  font-size: 18px;
}

.contact-route-grid p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.55;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.76fr);
  gap: 46px;
  align-items: center;
}

.contact-card {
  display: grid;
  gap: 0;
  padding: 28px;
  border-color: rgba(30, 160, 93, 0.28);
  background: rgba(15, 25, 21, 0.72);
  font-style: normal;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
}

.contact-card:hover {
  border-color: rgba(30, 160, 93, 0.58);
}

.contact-card div {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

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

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

.contact-card span {
  display: block;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 15px;
}

.contact-card strong {
  display: block;
  color: #fff;
  line-height: 1.45;
}

.site-footer {
  padding: 26px 0;
  border-top: 1px solid rgba(30, 160, 93, 0.18);
  color: rgba(255, 255, 255, 0.66);
  background:
    linear-gradient(180deg, rgba(15, 25, 21, 0.96), #070908 72%),
    #070908;
}

.footer-inner {
  display: grid;
  grid-template-columns: 170px minmax(340px, 520px) max-content;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.footer-brand {
  display: contents;
}

.footer-brand img {
  width: 170px;
}

.footer-brand p {
  max-width: 520px;
  padding-left: 24px;
  border-left: 1px solid rgba(30, 160, 93, 0.26);
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1.7;
}

.footer-meta {
  display: grid;
  gap: 5px;
  justify-items: end;
  color: rgba(255, 255, 255, 0.58);
  font-size: 15px;
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@media (max-width: 1080px) {
  h1 {
    font-size: 3.45rem;
  }

  .hero h2 {
    font-size: 2.9rem;
  }

  .site-nav {
    gap: 16px;
    font-size: 16px;
  }

  .strength-grid,
  .product-module-grid,
  .support-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-step {
    border-right: 0;
    border-bottom: 1px solid rgba(30, 160, 93, 0.11);
  }

  .support-step:nth-child(odd) {
    border-right: 1px solid rgba(30, 160, 93, 0.11);
  }

  .support-step:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .support-path::before {
    content: none;
  }

  .strength-grid .feature-card {
    border-right: 0;
    border-bottom: 1px solid rgba(30, 160, 93, 0.12);
  }

  .strength-grid .feature-card:nth-child(odd) {
    border-right: 1px solid rgba(30, 160, 93, 0.12);
  }

  .strength-grid .feature-card:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .product-card,
  .product-card:nth-last-child(2),
  .product-card:last-child {
    min-height: 240px;
    grid-column: auto;
  }

  .about-layout,
  .manufacturing-feature {
    grid-template-columns: 1fr;
  }

  .about-photo-card img,
  .manufacturing-main-photo,
  .manufacturing-main-photo img {
    min-height: 440px;
  }

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

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

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 38px;
  }
}

@media (max-width: 780px) {
  body {
    font-size: 17px;
  }

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

  .section {
    padding: 66px 0;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 30px;
  }

  .hero h2 {
    font-size: 36px;
  }

  .site-header {
    padding: 14px;
  }

  .brand img {
    width: 172px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(17, 20, 20, 0.96);
    font-size: 17px;
  }

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

  .site-nav a {
    padding: 14px 12px;
  }

  .hero {
    min-height: 82vh;
  }

  .hero-content {
    width: calc(100% - 28px);
    margin-left: 14px;
  }

  .hero-logo {
    width: 235px;
    margin-bottom: 24px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-controls {
    bottom: 20px;
  }

  .about-layout,
  .manufacturing-feature,
  .product-ecosystem,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-point-grid,
  .strength-grid,
  .product-module-grid,
  .support-path,
  .manufacturing-photo-wall,
  .timeline {
    grid-template-columns: 1fr;
  }

  .strength-section .section-heading {
    margin-bottom: 28px;
  }

  .strength-grid .feature-card,
  .strength-grid .feature-card:nth-child(odd),
  .strength-grid .feature-card:nth-last-child(-n + 2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(30, 160, 93, 0.12);
  }

  .strength-grid .feature-card:last-child {
    border-bottom: 0;
  }

  .product-system {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px 18px 18px 22px;
  }

  .product-system::before {
    top: 30px;
    bottom: 30px;
    left: 45px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent, rgba(30, 160, 93, 0.48), transparent);
  }

  .system-node {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 0 16px;
    align-items: center;
    min-height: auto;
    padding: 12px 0;
    text-align: left;
  }

  .system-node .card-icon {
    grid-row: 1 / span 2;
    margin: 0;
  }

  .system-node h3 {
    max-width: none;
    margin-bottom: 2px;
  }

  .support-path {
    padding: 28px 24px;
  }

  .support-step,
  .support-step:nth-child(odd),
  .support-step:nth-last-child(-n + 2) {
    min-height: auto;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(30, 160, 93, 0.11);
  }

  .support-step:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }
  .contact-route-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .about-photo-card img,
  .manufacturing-main-photo,
  .manufacturing-main-photo img {
    min-height: 320px;
  }

  .timeline {
    gap: 16px;
    padding-top: 0;
    padding-left: 22px;
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 5px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent, rgba(30, 160, 93, 0.72), transparent);
  }

  .timeline article {
    min-height: auto;
  }

  .timeline article::before {
    top: 24px;
    left: -22px;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-brand p {
    max-width: none;
    padding-top: 12px;
    padding-left: 0;
    border-top: 1px solid rgba(30, 160, 93, 0.26);
    border-left: 0;
  }

  .footer-meta {
    justify-items: start;
    white-space: normal;
  }
}

@media (max-width: 440px) {
  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .about-point-card,
  .feature-card,
  .product-card,
  .contact-card {
    padding: 22px;
  }

  .strength-grid .feature-card {
    padding: 26px 22px;
  }

  .product-ecosystem {
    padding: 26px 22px;
  }

  .product-system {
    padding: 16px 16px 16px 18px;
  }

  .contact-route-grid article {
    min-height: auto;
    padding: 16px;
  }

  .process-card {
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 12px;
  }
}
