:root {
  color: #17201c;
  background: #f7f8f4;
  font-family:
    "Inter", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: #17201c;
  background: #f7f8f4;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: #f8fbf4;
  background: rgba(20, 26, 24, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #10231e;
  font-size: 18px;
  font-weight: 800;
  background: #c8e777;
  border-radius: 8px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 2px;
  color: rgba(248, 251, 244, 0.68);
  font-size: 12px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: rgba(248, 251, 244, 0.82);
  font-size: 14px;
}

nav a:hover {
  color: #d9f78a;
}

.hero {
  position: relative;
  display: flex;
  min-height: 88vh;
  align-items: center;
  overflow: hidden;
  padding: 130px clamp(20px, 6vw, 88px) 72px;
  color: #f8fbf4;
  background: #17201c;
}

#hero-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(16, 23, 20, 0.88), rgba(16, 23, 20, 0.38) 54%, rgba(16, 23, 20, 0.72)),
    radial-gradient(circle at 72% 22%, rgba(200, 231, 119, 0.22), transparent 34%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: #6c7c45;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #d9f78a;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(48px, 6.4vw, 96px);
  line-height: 1.05;
  letter-spacing: 0;
  white-space: nowrap;
}

h2 {
  margin-bottom: 0;
  color: #17201c;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  color: #17201c;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(248, 251, 244, 0.82);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.72;
}

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

.primary-link,
.secondary-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-weight: 700;
  border-radius: 8px;
}

.primary-link {
  color: #13231e;
  background: #d9f78a;
}

.secondary-link {
  color: #f8fbf4;
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.section {
  padding: 88px clamp(20px, 6vw, 88px);
}

.muted {
  background: #edf1e8;
}

.split,
.section-heading,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 92px);
  align-items: start;
}

.split p,
.section-heading p,
.contact p {
  max-width: 720px;
  color: #526159;
  font-size: 17px;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.service-card {
  min-height: 250px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid #dfe5d6;
  border-radius: 8px;
}

.service-card span {
  display: inline-block;
  margin-bottom: 42px;
  color: #7b8d4a;
  font-size: 14px;
  font-weight: 800;
}

.service-card p,
.solution-item p,
.timeline p {
  margin-bottom: 0;
  color: #5b675f;
  font-size: 15px;
  line-height: 1.75;
}

.solution-list {
  margin-top: 46px;
  border-top: 1px solid #dfe5d6;
}

.solution-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid #dfe5d6;
}

.solution-item strong {
  color: #17201c;
  font-size: 20px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.timeline li {
  position: relative;
  min-height: 210px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid #dfe5d6;
  border-radius: 8px;
  counter-increment: step;
}

.timeline li::before {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  margin-bottom: 34px;
  color: #17201c;
  font-weight: 800;
  content: counter(step, decimal-leading-zero);
  background: #c8e777;
  border-radius: 8px;
}

.timeline span {
  display: block;
  margin-bottom: 12px;
  color: #17201c;
  font-size: 18px;
  font-weight: 800;
}

.contact {
  align-items: center;
  color: #f8fbf4;
  background: #17201c;
}

.contact h2,
.contact p {
  color: #f8fbf4;
}

.contact p {
  color: rgba(248, 251, 244, 0.72);
}

.contact-panel {
  display: flex;
  min-height: 170px;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  background: #f8fbf4;
  border-radius: 8px;
}

.contact-panel span {
  color: #6a756d;
  font-size: 14px;
}

.contact-panel a {
  margin: 10px 0;
  color: #17201c;
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-panel small {
  color: #6a756d;
  font-size: 14px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 26px clamp(20px, 6vw, 88px);
  color: #667069;
  background: #f7f8f4;
  border-top: 1px solid #dfe5d6;
  font-size: 14px;
}

@media (max-width: 1020px) {
  .service-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .section-heading,
  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  nav {
    justify-content: flex-start;
    gap: 12px 16px;
    font-size: 13px;
  }

  .hero {
    min-height: 780px;
    align-items: flex-end;
    padding: 190px 20px 54px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 56px);
    line-height: 1.12;
    white-space: normal;
    word-break: keep-all;
  }

  .section {
    padding: 62px 20px;
  }

  .service-grid,
  .timeline,
  .solution-item {
    grid-template-columns: 1fr;
  }

  .service-card,
  .timeline li {
    min-height: auto;
  }

  .service-card span,
  .timeline li::before {
    margin-bottom: 24px;
  }
}