:root {
  color-scheme: light;
  --ink: #17211d;
  --muted: #64716c;
  --line: #d8dfdc;
  --paper: #f7f8f5;
  --white: #ffffff;
  --green: #0f7c55;
  --lime: #b9dc57;
  --steel: #2d3b43;
  --amber: #c78a35;
  --shadow: 0 18px 50px rgba(23, 33, 29, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(14, 22, 19, 0.72), rgba(14, 22, 19, 0));
}

.site-header.compact {
  position: sticky;
  color: var(--ink);
  background: rgba(247, 248, 245, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

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

.brand-mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green), var(--lime));
  color: #08120e;
  font-weight: 900;
  letter-spacing: 0;
}

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

.brand strong {
  font-size: 18px;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: currentColor;
  opacity: 0.76;
  font-size: 12px;
}

.site-nav {
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 13, 10, 0.82) 0%, rgba(6, 13, 10, 0.56) 43%, rgba(6, 13, 10, 0.14) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding-top: 56px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--lime);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(56px, 10vw, 112px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.35;
  font-weight: 650;
}

.hero-actions,
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  background: var(--lime);
  color: #111a14;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 8vw, 96px) 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(280px, 1.15fr);
  gap: clamp(28px, 7vw, 90px);
  align-items: start;
}

.section-title h2,
.contact h2,
.legal h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro > p,
.commerce-panel p,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.band {
  width: 100%;
  max-width: none;
  padding-left: clamp(18px, 5vw, 72px);
  padding-right: clamp(18px, 5vw, 72px);
  background: var(--white);
}

.band .section-title,
.service-grid {
  width: min(1160px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.service-card {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  box-shadow: 0 1px 0 rgba(23, 33, 29, 0.04);
}

.card-icon {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--amber);
  font-weight: 900;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1.2fr);
  gap: clamp(28px, 7vw, 90px);
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.timeline li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.timeline li::before {
  content: counter(step, decimal-leading-zero);
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: var(--steel);
  color: var(--white);
  font-weight: 800;
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline strong {
  font-size: 20px;
}

.timeline span {
  color: var(--muted);
}

.commerce-panel {
  margin-top: 24px;
  padding: clamp(24px, 4vw, 38px);
  border-left: 6px solid var(--green);
  background: var(--white);
  box-shadow: var(--shadow);
}

.audit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.audit-grid article {
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.audit-grid strong,
.audit-grid span {
  display: block;
}

.audit-grid strong {
  margin-bottom: 8px;
  color: var(--ink);
}

.audit-grid span {
  color: var(--muted);
  font-size: 14px;
}

.links a {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr);
  gap: clamp(26px, 6vw, 80px);
  border-top: 1px solid var(--line);
}

address {
  display: grid;
  gap: 10px;
  padding: 26px;
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
  font-style: normal;
  box-shadow: var(--shadow);
}

address strong {
  color: var(--ink);
  font-size: 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.legal {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 64px 0 84px;
}

.legal .meta {
  color: var(--muted);
}

.legal h2 {
  margin: 36px 0 8px;
  font-size: 23px;
}

.legal p {
  color: #34413c;
}

.callback-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #f7f8f5, #e9efeb);
}

.callback-box {
  width: min(520px, 100%);
  padding: 36px;
  border-radius: 8px;
  background: var(--white);
  text-align: center;
  box-shadow: var(--shadow);
}

.callback-box h1 {
  margin-top: 18px;
  color: var(--ink);
  font-size: 34px;
}

.callback-box p {
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  margin: 0 auto 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e9efeb;
  color: var(--steel);
  font-size: 13px;
  font-weight: 800;
}

.status-pill.success {
  background: #dff4e8;
  color: var(--green);
}

.status-pill.warning {
  background: #fff0d9;
  color: #9b5d12;
}

.callback-details {
  display: grid;
  gap: 12px;
  margin: 24px 0;
  text-align: left;
}

.callback-links {
  justify-content: center;
  margin: 4px 0 18px;
}

.callback-details div,
.auth-steps article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.callback-details dt,
.callback-details dd {
  margin: 0;
}

.callback-details dt {
  color: var(--ink);
  font-weight: 800;
}

.callback-details dd {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.auth-info {
  width: min(960px, calc(100% - 36px));
}

.auth-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 30px 0;
}

.auth-steps strong,
.auth-steps span {
  display: block;
}

.auth-steps strong {
  margin-bottom: 8px;
}

.auth-steps span {
  color: var(--muted);
}

.inline-link {
  color: var(--green);
  font-weight: 800;
  word-break: break-all;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
  }

  .hero-content {
    padding-top: 98px;
  }

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

  .audit-grid,
  .auth-steps,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(6, 13, 10, 0.86), rgba(6, 13, 10, 0.58));
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .audit-grid {
    grid-template-columns: 1fr;
  }

  .auth-steps {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .site-footer {
    flex-direction: column;
  }
}