:root {
  --ink: #16211f;
  --muted: #5d6b67;
  --line: #d7e0dc;
  --paper: #f5f8f5;
  --panel: #ffffff;
  --green: #0f7b63;
  --green-dark: #084b41;
  --amber: #d28a15;
  --blue: #2368b8;
  --shadow: 0 22px 60px rgba(18, 34, 31, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background:
    linear-gradient(120deg, rgba(15, 123, 99, .12), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(210, 138, 21, .16), transparent 28%),
    var(--paper);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 72px);
  background: rgba(245, 248, 245, .86);
  border-bottom: 1px solid rgba(215, 224, 220, .78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  background: linear-gradient(145deg, var(--green-dark), var(--green));
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(15, 123, 99, .28);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 10px 13px;
  color: var(--muted);
  font-size: 15px;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--green-dark);
  background: rgba(15, 123, 99, .08);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(44px, 8vw, 92px) clamp(18px, 5vw, 72px) 56px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.28;
}

.lead {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.75;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 7px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: var(--green-dark);
  box-shadow: 0 14px 28px rgba(8, 75, 65, .24);
}

.btn-secondary {
  color: var(--green-dark);
  background: #fff;
  border-color: var(--line);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 560px;
  margin: 36px 0 0;
}

.hero-stats div {
  padding: 18px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(215, 224, 220, .9);
  border-radius: 8px;
}

.hero-stats dt {
  font-family: "Space Grotesk", sans-serif;
  font-size: 27px;
  font-weight: 700;
}

.hero-stats dd {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  background: #dfe8e3;
  border: 1px solid rgba(215, 224, 220, .95);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(180deg, transparent 35%, rgba(6, 28, 24, .72));
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: contain;
  object-position: center;
}

.signal-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  width: min(330px, calc(100% - 44px));
  padding: 18px;
  color: #fff;
  background: rgba(8, 75, 65, .86);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.signal-card span,
.signal-card strong,
.signal-card em {
  display: block;
}

.signal-card span {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}

.signal-card strong {
  font-size: 22px;
}

.signal-card em {
  margin-top: 6px;
  font-style: normal;
  color: rgba(255, 255, 255, .78);
}

.section {
  padding: 78px clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.solution-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.solution-grid article,
.product-card,
.delivery-panel,
.cta {
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.solution-grid article {
  padding: 26px;
}

.solution-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--amber);
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  font-weight: 700;
}

.solution-grid p,
.product-card p,
.delivery-panel p,
.cta p {
  color: var(--muted);
  line-height: 1.72;
}

.products {
  background:
    linear-gradient(180deg, rgba(22, 33, 31, .04), rgba(22, 33, 31, 0)),
    #eef4f0;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  padding: 10px;
  background: #dce4e0;
}

.product-card > :not(img) {
  margin-left: 18px;
  margin-right: 18px;
}

.product-card .tag {
  align-self: flex-start;
  margin-top: 18px;
}

.product-card h3 {
  margin-top: 12px;
}

.product-card p {
  margin-bottom: 16px;
}

.product-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
}

.product-card.featured img {
  height: 100%;
  min-height: 350px;
  aspect-ratio: auto;
  padding: 12px;
}

.product-card.featured div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}

.product-card.featured div > * {
  margin-left: 0;
  margin-right: 0;
}

.tag {
  display: inline-flex;
  padding: 6px 10px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 700;
  background: rgba(15, 123, 99, .1);
  border-radius: 999px;
}

.product-grid-ocr {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.counting-products {
  background:
    linear-gradient(180deg, rgba(15, 123, 99, .08), rgba(22, 33, 31, 0)),
    #f5f8f5;
}

.delivery-panel {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 36px;
  padding: clamp(26px, 5vw, 48px);
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  background: #f6faf7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.steps span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  background: var(--green);
  border-radius: 8px;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 clamp(18px, 5vw, 72px) 72px;
  padding: clamp(26px, 5vw, 44px);
  color: #fff;
  background:
    linear-gradient(120deg, rgba(35, 104, 184, .34), transparent 52%),
    var(--green-dark);
  border-color: rgba(255, 255, 255, .18);
}

.cta .eyebrow,
.cta p {
  color: rgba(255, 255, 255, .76);
}

.cta h2 {
  color: #fff;
}

.cta .btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .3);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
}

@media (max-width: 1080px) {
  .hero,
  .delivery-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

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

@media (max-width: 780px) {
  .site-header,
  .nav-links,
  .cta,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .nav-links a {
    padding: 8px 10px;
    background: rgba(255, 255, 255, .64);
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-stats,
  .solution-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

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

  .product-card.featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .product-card.featured img {
    min-height: 260px;
  }

  .product-card.featured div {
    padding: 24px 18px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-visual,
  .solution-grid article,
  .product-card,
  .delivery-panel,
  .cta {
    animation: rise .72s ease both;
  }

  .hero-visual {
    animation-delay: .08s;
  }

  .product-card:nth-child(2),
  .solution-grid article:nth-child(2) {
    animation-delay: .07s;
  }

  .product-card:nth-child(3),
  .solution-grid article:nth-child(3) {
    animation-delay: .14s;
  }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}
