:root {
  --ink: #121615;
  --muted: #5d6663;
  --paper: #f7f8f5;
  --surface: #ffffff;
  --line: #dce2dd;
  --line-dark: rgba(255, 255, 255, 0.16);
  --green: #0d6f5c;
  --green-dark: #074c41;
  --gold: #c99a39;
  --aqua: #d9f2ec;
  --slate: #19211f;
  --shadow: 0 20px 60px rgba(18, 22, 21, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.62;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(18, 22, 21, 0.08);
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 248, 245, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
}

.logo-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
}

.nav-links {
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  color: #2f3834;
  font-size: 14px;
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.72);
}

.language-switch a {
  display: inline-flex;
  min-width: 42px;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 5px 10px;
  color: #40504a;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.language-switch a.is-active {
  color: #fff;
  background: var(--green);
}

.hero {
  background:
    radial-gradient(circle at 84% 18%, rgba(217, 242, 236, 0.18), transparent 34%),
    linear-gradient(135deg, #121615 0%, #1b2421 56%, #23342f 100%);
  color: #fff;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.78fr);
  gap: clamp(36px, 6vw, 76px);
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 86px 0 72px;
}

.hero-copy-block {
  align-self: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 38px;
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 740px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 19px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 900;
  line-height: 1.2;
}

.button-primary {
  color: #fff;
  background: var(--green);
}

.button-primary:hover {
  background: var(--green-dark);
}

.button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.lead-panel {
  align-self: stretch;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.18);
}

.lead-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 18px;
}

.lead-panel-head span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  font-weight: 800;
}

.lead-panel-head strong {
  font-size: 20px;
}

.delivery-chain {
  display: grid;
  gap: 12px;
}

.delivery-chain div {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.delivery-chain span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.delivery-chain strong {
  font-size: 16px;
}

.section {
  padding: 86px 0;
}

.section-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--green);
}

.section-heading p,
.proof-layout p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
}

.trust-strip {
  border-bottom: 1px solid var(--line);
  padding: 0;
  background: #fff;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trust-items div {
  min-height: 112px;
  border-right: 1px solid var(--line);
  padding: 24px 26px;
}

.trust-items div:last-child {
  border-right: 0;
}

.trust-items strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

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

.service-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-grid article,
.project-grid article,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 32px rgba(18, 22, 21, 0.06);
}

.service-grid article,
.project-grid article {
  min-height: 220px;
  padding: 24px;
}

.service-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.service-grid p,
.project-grid p,
.process-list span,
.standard-list dd {
  color: var(--muted);
}

.process-section {
  background: #fff;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  gap: 10px;
  border-top: 4px solid var(--green);
  border-radius: 8px;
  padding: 18px;
  background: var(--paper);
}

.project-grid article {
  min-height: 190px;
}

.proof-section {
  color: #fff;
  background: var(--slate);
}

.proof-section .section-kicker {
  color: var(--gold);
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.proof-layout p {
  color: rgba(255, 255, 255, 0.7);
}

.standard-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.standard-list div {
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.standard-list dt {
  margin-bottom: 4px;
  font-weight: 900;
}

.standard-list dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.contact-section {
  background:
    linear-gradient(90deg, rgba(13, 111, 92, 0.08), rgba(201, 154, 57, 0.1)),
    var(--paper);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.8fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.contact-form {
  position: relative;
  display: grid;
  gap: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.honeypot-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-title {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  font-size: 20px;
  font-weight: 900;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 900;
}

.contact-form span {
  font-size: 14px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid #cfd6d1;
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--green);
  outline: 3px solid rgba(13, 111, 92, 0.16);
}

.form-submit {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--slate);
}

.site-footer a {
  font-weight: 900;
}

.submit-result {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(13, 111, 92, 0.12), rgba(201, 154, 57, 0.12)),
    var(--paper);
}

.submit-result section {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 34px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.submit-result h1 {
  margin: 22px 0 12px;
  color: var(--ink);
  font-size: 34px;
}

.submit-result p {
  margin-bottom: 24px;
  color: var(--muted);
}

@media (max-width: 1060px) {
  .hero-inner,
  .proof-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 860px) {
  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 32px;
  }

  .service-grid,
  .project-grid,
  .trust-items {
    grid-template-columns: 1fr;
  }

  .trust-items div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-items div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
  }

  .brand span {
    display: none;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
  }

  .header-actions {
    align-items: flex-end;
    flex-direction: column-reverse;
    gap: 10px;
  }

  .hero-inner {
    width: min(100% - 28px, 1180px);
    padding: 56px 0 48px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

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

  .button,
  .cta-row {
    width: 100%;
  }

  .section {
    padding: 58px 0;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .lead-panel,
  .contact-form {
    padding: 20px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}