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

:root {
  --color-ink: #102033;
  --color-muted: #667085;
  --color-soft: #f4f8fb;
  --color-line: rgba(15, 23, 42, 0.1);
  --color-primary: #0a6fb4;
  --color-primary-dark: #073d5e;
  --color-cyan: #18c7d1;
  --color-teal: #22c55e;
  --color-amber: #f5b942;
  --color-lime: #9be15d;
  --color-navy: #071724;
  --header-height: 76px;
  --container-max: 1200px;
  --radius: 8px;
  --shadow-soft: 0 24px 80px rgba(7, 23, 36, 0.18);
  --shadow-card: 0 18px 50px rgba(7, 23, 36, 0.14);
  --transition: 220ms ease;
}

html { scroll-behavior: smooth; }

section,
#contact {
  scroll-margin-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--color-ink);
  background:
    linear-gradient(180deg, rgba(244, 248, 251, 0.92), rgba(255, 255, 255, 1) 36%),
    #fff;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; }

::selection {
  color: #06141f;
  background: rgba(24, 199, 209, 0.42);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #e9f1f6; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-cyan), var(--color-primary));
  border: 2px solid #e9f1f6;
  border-radius: 999px;
}
* { scrollbar-width: thin; scrollbar-color: var(--color-primary) #e9f1f6; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 12px 0;
  pointer-events: none;
}

.header-inner {
  width: calc(100% - 32px);
  max-width: var(--container-max);
  height: 52px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #fff;
  background: rgba(7, 23, 36, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(18px);
  pointer-events: auto;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.site-header.scrolled .header-inner {
  color: #0b2a3d;
  background:
    linear-gradient(135deg, rgba(229, 247, 250, 0.84), rgba(211, 235, 242, 0.72)),
    rgba(229, 247, 250, 0.78);
  border-color: rgba(24, 199, 209, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.58),
    0 16px 44px rgba(7, 23, 36, 0.16);
}

.header-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

.logo img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.company-name {
  min-width: 0;
  margin-left: 12px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.company-name::before {
  content: "";
  width: 1px;
  height: 20px;
  margin-right: 12px;
  background: rgba(255, 255, 255, 0.32);
}

.site-header.scrolled .company-name::before {
  background: rgba(10, 111, 180, 0.2);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 13px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 5px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-lime));
  box-shadow: 0 0 16px rgba(24, 199, 209, 0.55);
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity var(--transition), transform var(--transition);
}

.site-header.scrolled .main-nav a {
  color: rgba(7, 42, 61, 0.82);
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 10px 26px rgba(24, 199, 209, 0.14);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .main-nav a.active {
  color: #05324d;
  background: rgba(24, 199, 209, 0.16);
  box-shadow:
    inset 0 0 0 1px rgba(10, 111, 180, 0.14),
    0 10px 26px rgba(10, 111, 180, 0.14);
}

.main-nav .nav-phone {
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
  box-shadow: 0 8px 24px rgba(24, 199, 209, 0.25);
}

.site-header.scrolled .main-nav .nav-phone,
.main-nav .nav-phone:hover {
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
}

.main-nav .nav-phone::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: currentColor;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition), top var(--transition), bottom var(--transition);
}

.nav-toggle span { top: 20px; }
.nav-toggle::before { top: 13px; }
.nav-toggle::after { bottom: 13px; }

.nav-toggle.open span { opacity: 0; }
.nav-toggle.open::before { top: 20px; transform: rotate(45deg); }
.nav-toggle.open::after { bottom: 20px; transform: rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--color-navy);
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.22;
  background:
    linear-gradient(118deg, transparent 0 42%, rgba(24, 199, 209, 0.16) 45%, transparent 48% 100%),
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 100% 100%, 80px 80px, 80px 80px;
  -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 82%);
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 82%);
  animation: gridDrift 18s linear infinite;
}

.hero-carousel,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  z-index: 0;
  opacity: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--color-navy);
  transition: opacity 900ms ease;
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(4, 16, 27, 0.88) 0%, rgba(6, 30, 46, 0.68) 42%, rgba(6, 30, 46, 0.24) 78%),
    linear-gradient(180deg, rgba(3, 11, 18, 0.24), rgba(3, 11, 18, 0.7));
}

.hero-slide.active {
  z-index: 1;
  opacity: 1;
}

.hero-caption {
  position: relative;
  z-index: 8;
  width: min(var(--container-max), calc(100% - 48px));
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: 116px 0 168px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 580ms ease, transform 580ms ease;
}

.hero-slide.active .hero-caption {
  opacity: 1;
  transform: translateY(0);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(24, 199, 209, 0.45);
  border-radius: 999px;
  color: rgba(218, 255, 255, 0.94);
  background: rgba(24, 199, 209, 0.12);
  box-shadow: inset 0 0 24px rgba(24, 199, 209, 0.1);
  font-size: 13px;
  font-weight: 700;
}

.hero-title {
  max-width: 820px;
  margin: 20px 0 16px;
  font-size: 56px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: 0;
  text-shadow: 0 12px 44px rgba(0, 0, 0, 0.36);
}

.hero-subtitle {
  max-width: 680px;
  margin: 0;
  color: rgba(235, 249, 255, 0.9);
  font-size: 20px;
  line-height: 1.75;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.34);
}

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

.hero-cta,
.hero-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.hero-cta {
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
  box-shadow: 0 18px 48px rgba(24, 199, 209, 0.28);
}

.hero-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-cta:hover,
.hero-ghost:hover {
  transform: translateY(-2px);
}

.hero-metrics {
  position: absolute;
  left: 50%;
  bottom: 58px;
  z-index: 9;
  width: min(var(--container-max), calc(100% - 48px));
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-metrics div {
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(7, 23, 36, 0.42);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.hero-metrics strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 6px;
  color: rgba(235, 249, 255, 0.78);
  font-size: 13px;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 26px;
  z-index: 10;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.hero-dot {
  width: 34px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
  transition: width var(--transition), background var(--transition);
}

.hero-dot.active {
  width: 54px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-lime));
}

/* ===== Sections ===== */
.section {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
}

.section-has-bg {
  color: #fff;
  background: var(--color-navy);
}

.section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}

.section-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(4, 16, 27, 0.88), rgba(6, 48, 70, 0.72) 48%, rgba(4, 16, 27, 0.86)),
    linear-gradient(180deg, rgba(4, 16, 27, 0.2), rgba(4, 16, 27, 0.7));
}

.section-business .section-bg::after {
  background:
    linear-gradient(115deg, rgba(4, 23, 33, 0.86), rgba(12, 111, 132, 0.64) 48%, rgba(4, 16, 27, 0.88)),
    linear-gradient(180deg, rgba(4, 16, 27, 0.18), rgba(4, 16, 27, 0.7));
}

.section-products .section-bg::after {
  background:
    linear-gradient(115deg, rgba(4, 22, 20, 0.86), rgba(16, 118, 82, 0.6) 50%, rgba(4, 16, 27, 0.88)),
    linear-gradient(180deg, rgba(4, 16, 27, 0.16), rgba(4, 16, 27, 0.72));
}

.section-news .section-bg::after {
  background:
    linear-gradient(115deg, rgba(4, 22, 30, 0.88), rgba(10, 102, 132, 0.66) 48%, rgba(4, 16, 27, 0.88)),
    linear-gradient(180deg, rgba(4, 16, 27, 0.18), rgba(4, 16, 27, 0.72));
}

.container {
  position: relative;
  z-index: 1;
  width: min(var(--container-max), calc(100% - 48px));
  margin: 0 auto;
}

.section-title {
  margin: 0 0 34px;
  color: #fff;
  font-size: 34px;
  line-height: 1.22;
  font-weight: 800;
  text-align: center;
  text-shadow: 0 12px 42px rgba(0, 0, 0, 0.28);
}

.section-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin: 16px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-lime));
}

.section-desc {
  max-width: 760px;
  margin: -12px auto 42px;
  color: rgba(235, 249, 255, 0.86);
  text-align: center;
  font-size: 17px;
}

.scroll-animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Business ===== */
.business-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 26px;
}

.business-card {
  position: relative;
  min-height: 250px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08)),
    rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.business-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(24, 199, 209, 0.28), transparent 34%),
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.05));
  opacity: 0.7;
}

.card-index {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
  font-size: 13px;
  font-weight: 800;
}

.business-card h3,
.business-card p {
  position: relative;
  z-index: 1;
}

.business-card h3 {
  margin: 22px 0 14px;
  font-size: 22px;
  line-height: 1.3;
}

.business-card p {
  margin: 0;
  color: rgba(244, 250, 255, 0.86);
  line-height: 1.9;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stats-in-section {
  margin-top: 28px;
}

.stat-item {
  min-width: 0;
  padding: 22px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
  backdrop-filter: blur(14px);
}

.stat-number {
  display: block;
  color: #fff;
  font-size: 38px;
  line-height: 1;
  font-weight: 800;
}

.stat-label {
  display: block;
  margin-top: 10px;
  color: rgba(235, 249, 255, 0.74);
  font-size: 14px;
}

/* ===== Products ===== */
.product-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  --tone: var(--color-cyan);
  --tone-soft: rgba(24, 199, 209, 0.18);
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card[data-tone="teal"] {
  --tone: #18c7d1;
  --tone-soft: rgba(24, 199, 209, 0.2);
}

.product-card[data-tone="blue"] {
  --tone: #4aa3ff;
  --tone-soft: rgba(74, 163, 255, 0.2);
}

.product-card[data-tone="amber"] {
  --tone: #f5b942;
  --tone-soft: rgba(245, 185, 66, 0.22);
}

.product-card[data-tone="lime"] {
  --tone: #9be15d;
  --tone-soft: rgba(155, 225, 93, 0.2);
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--tone);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(7, 23, 36, 0.96), rgba(17, 50, 64, 0.96)),
    #0c1f2d;
}

.product-img-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.36;
}

.product-img-wrap::after {
  content: "";
  position: absolute;
  left: -25%;
  top: 50%;
  z-index: 1;
  width: 150%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tone), transparent);
  box-shadow: 0 0 24px var(--tone);
  transform: rotate(-18deg);
}

.product-img {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-img-wrap.image-missing .product-img {
  display: none;
}

.product-fallback {
  position: absolute;
  inset: 20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  color: #fff;
}

.product-code {
  width: fit-content;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 6px;
  color: var(--tone);
  background: rgba(255, 255, 255, 0.08);
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  box-shadow: inset 0 0 24px var(--tone-soft);
}

.product-line {
  display: block;
  width: 76%;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--tone), rgba(255, 255, 255, 0.08));
}

.product-line.short {
  width: 48%;
  opacity: 0.7;
}

.product-body {
  padding: 22px 20px 24px;
}

.product-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #062235;
  background: var(--tone-soft);
  font-size: 12px;
  font-weight: 800;
}

.product-card h3 {
  margin: 14px 0 10px;
  font-size: 18px;
  line-height: 1.38;
}

.product-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
}

.layout-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: center;
}

.green-in-products {
  margin-top: 42px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}

.green-content .section-title {
  margin-bottom: 18px;
  text-align: left;
}

.green-content .section-title::after {
  margin-left: 0;
}

.green-content p {
  margin: 0;
  color: rgba(235, 249, 255, 0.85);
  line-height: 1.9;
}

.green-img {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.green-img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(24, 199, 209, 0.18), transparent 42%);
}

.green-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transform: scale(1.02);
}

/* ===== News ===== */
.section-news {
  min-height: 84vh;
  display: flex;
  align-items: center;
}

.news-scroll-wrap {
  overflow-x: auto;
  padding: 10px 0 18px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.news-item {
  position: relative;
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0.075)),
    rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.news-item::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 118px;
  height: 118px;
  border: 1px solid rgba(24, 199, 209, 0.22);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24, 199, 209, 0.14), transparent 62%);
}

.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-cyan), var(--color-lime));
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.news-tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
  font-size: 12px;
  font-weight: 800;
}

.news-item h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #fff;
  font-size: 22px;
  line-height: 1.6;
}

/* ===== About & Contact ===== */
.about-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
}

.about-intro {
  margin: 0;
  color: rgba(244, 250, 255, 0.88);
  font-size: 17px;
  line-height: 2;
}

.contact-inner {
  max-width: 900px;
  margin: 22px auto 0;
  padding: 24px 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 24px;
  text-align: center;
}

.contact-name,
.contact-phone,
.contact-slogan {
  margin: 0;
  color: #fff;
}

.contact-name,
.contact-phone {
  font-size: 17px;
  font-weight: 700;
}

.contact-phone a {
  color: #b8fff0;
}

.contact-slogan {
  width: 100%;
  color: rgba(235, 249, 255, 0.78);
  font-size: 15px;
}

/* ===== Footer ===== */
.site-footer {
  position: relative;
  padding: 42px 24px 28px;
  color: rgba(235, 249, 255, 0.82);
  background:
    linear-gradient(90deg, rgba(24, 199, 209, 0.14), transparent 34%, rgba(245, 185, 66, 0.12)),
    var(--color-navy);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 60px 60px;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 18px;
}

.footer-nav a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 6px;
  color: rgba(235, 249, 255, 0.82);
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
}

.footer-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.footer-copy {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: rgba(235, 249, 255, 0.66);
  font-size: 13px;
}

.footer-copy a:hover {
  color: #fff;
}

.footer-police {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.footer-police img {
  flex: 0 0 auto;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #062235;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-lime));
  box-shadow: 0 14px 36px rgba(24, 199, 209, 0.32);
  cursor: pointer;
  font-size: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.back-to-top::before {
  content: "↑";
  font-size: 23px;
  line-height: 1;
  font-weight: 800;
}

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

/* ===== Animations ===== */
@keyframes gridDrift {
  from { background-position: 0 0, 0 0, 0 0; }
  to { background-position: 0 0, 80px 80px, 80px 80px; }
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .company-name {
    max-width: 310px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

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

@media (max-width: 900px) {
  .hero-title { font-size: 42px; }
  .business-cards,
  .layout-split,
  .news-list {
    grid-template-columns: 1fr;
  }

  .green-img { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  :root { --header-height: 70px; }

  .site-header { padding: 9px 0; }
  .header-inner {
    width: calc(100% - 24px);
    height: 52px;
    padding: 0 10px 0 12px;
  }

  .company-name {
    max-width: calc(100vw - 150px);
    font-size: 13px;
  }

  .main-nav {
    position: fixed;
    top: calc(var(--header-height) + 4px);
    left: 12px;
    right: 12px;
    display: grid;
    gap: 8px;
    padding: 12px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(18px);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

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

  .main-nav a,
  .site-header.scrolled .main-nav a {
    justify-content: flex-start;
    min-height: 44px;
    color: var(--color-ink);
    background: transparent;
  }

  .main-nav a.active,
  .main-nav a:hover,
  .site-header.scrolled .main-nav a.active,
  .site-header.scrolled .main-nav a:hover {
    color: var(--color-primary-dark);
    background: rgba(10, 111, 180, 0.1);
  }

  .main-nav .nav-phone {
    justify-content: center;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
  }

  .hero-caption {
    width: min(100% - 32px, var(--container-max));
    padding: 102px 0 194px;
    align-items: center;
    text-align: center;
  }

  .hero-title {
    max-width: 620px;
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 17px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-metrics {
    width: calc(100% - 32px);
    bottom: 54px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .hero-metrics div {
    padding: 12px 8px;
    text-align: center;
  }

  .hero-metrics strong {
    font-size: 20px;
  }

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

  .section {
    padding: 72px 0;
  }

  .container {
    width: calc(100% - 32px);
  }

  .section-title {
    font-size: 28px;
  }

  .business-card,
  .about-content,
  .contact-inner,
  .green-in-products {
    padding: 24px;
  }
}

@media (max-width: 560px) {
  .product-cards,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
  }

  .hero-metrics span {
    margin-top: 0;
  }

  .hero-caption {
    padding-bottom: 236px;
  }

  .hero-dots {
    bottom: 22px;
  }

  .hero-cta,
  .hero-ghost {
    width: 100%;
  }

  .footer-copy-sep {
    display: none;
  }
}

@media (max-width: 420px) {
  .company-name::before { display: none; }
  .company-name { margin-left: 8px; }
  .hero-title { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}