:root {
  --text: #12161b;
  --muted: #68717a;
  --line: rgba(18, 22, 27, 0.12);
  --surface: #f4f7f8;
  --white: #ffffff;
  --green: #0f7b54;
  --gold: #c69a4a;
  --ink: #080d11;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

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

.service-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 40px;
  color: var(--white);
  background: rgba(8, 13, 17, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.service-header.is-scrolled {
  color: var(--text);
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--line);
}

.service-brand {
  display: inline-flex;
  align-items: center;
  min-width: 166px;
  height: 40px;
}

.service-logo {
  display: block;
  width: 146px;
  height: auto;
}

.service-logo-dark {
  display: none;
}

.service-header.is-scrolled .service-logo-dark {
  display: block;
}

.service-header.is-scrolled .service-logo-light {
  display: none;
}

.service-nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
}

.service-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: end;
  padding: 120px 8vw 90px;
  color: var(--white);
  overflow: hidden;
}

.service-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(4, 9, 12, 0.16), rgba(4, 9, 12, 0.82)),
    linear-gradient(90deg, rgba(4, 9, 12, 0.8), rgba(4, 9, 12, 0.1));
}

.service-hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}

.service-hero-content {
  position: relative;
  z-index: 2;
  width: min(980px, 100%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.service-hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.04;
}

.service-hero p {
  max-width: 780px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  line-height: 1.8;
}

.service-tabs {
  position: sticky;
  top: 64px;
  z-index: 12;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  padding: 0 8vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.service-tabs a {
  display: grid;
  place-items: center;
  min-height: 62px;
  padding: 8px;
  color: rgba(18, 22, 27, 0.62);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  background: rgba(18, 22, 27, 0.035);
}

.service-tabs a.is-active {
  color: var(--white);
  background: var(--green);
}

.section {
  padding: 112px 8vw;
}

.section.soft {
  background: var(--surface);
}

.section.dark {
  color: var(--white);
  background: var(--ink);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 4.8vw, 62px);
  line-height: 1.12;
}

.section-heading p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 17px;
}

.dark .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-card {
  min-height: 300px;
  padding: 34px;
  background: var(--white);
}

.feature-card span,
.process-card span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.feature-card h3,
.process-card h3 {
  margin: 18px 0 14px;
  font-size: 24px;
  line-height: 1.3;
}

.feature-card p,
.process-card p {
  color: var(--muted);
  line-height: 1.8;
}

.service-focus {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: center;
}

.focus-copy {
  max-width: 720px;
}

.focus-copy h2,
.outcome-heading h2 {
  margin: 0;
  font-size: clamp(32px, 4.8vw, 62px);
  line-height: 1.12;
}

.focus-copy p,
.outcome-heading p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.focus-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.focus-list article {
  padding: 20px 22px;
  background: var(--white);
  border: 1px solid var(--line);
}

.focus-list strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 18px;
}

.focus-list span {
  color: var(--muted);
  line-height: 1.7;
}

.focus-media {
  min-height: 520px;
  background-size: cover;
  background-position: center;
}

.outcome-heading {
  max-width: 920px;
  margin-bottom: 44px;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.outcome-grid article {
  min-height: 260px;
  padding: 30px;
  background: var(--white);
}

.outcome-grid span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.outcome-grid h3 {
  margin: 18px 0 12px;
  font-size: 23px;
  line-height: 1.3;
}

.outcome-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.split-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.split-image {
  min-height: 560px;
  background-size: cover;
  background-position: center;
}

.process-list {
  display: grid;
  gap: 14px;
}

.process-card {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
}

.process-card span {
  color: var(--gold);
}

.process-card p {
  color: rgba(255, 255, 255, 0.7);
}

.closing {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 70px 8vw;
  color: var(--white);
  background: #0b1014;
}

.closing h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
}

.closing p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 146px;
  height: 48px;
  padding: 0 18px;
  color: var(--white);
  background: var(--green);
  border-radius: 4px;
  font-weight: 800;
}

@media (max-width: 980px) {
  .service-header {
    padding: 0 22px;
  }

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

  .feature-grid,
  .split-media,
  .service-focus,
  .outcome-grid,
  .closing {
    grid-template-columns: 1fr;
  }

  .split-image {
    min-height: 380px;
  }

  .focus-media {
    min-height: 380px;
  }
}

@media (max-width: 680px) {
  .service-logo {
    width: 122px;
  }

  .service-brand {
    min-width: 138px;
  }

  .service-nav {
    gap: 14px;
    font-size: 13px;
  }

  .service-nav a:nth-child(2) {
    display: none;
  }

  .service-hero,
  .section,
  .closing {
    padding-left: 22px;
    padding-right: 22px;
  }

  .service-tabs {
    padding-left: 22px;
    padding-right: 22px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .focus-list article,
  .outcome-grid article {
    min-height: auto;
    padding: 24px;
  }
}