:root {
  --ink: #14181f;
  --muted: #5b6573;
  --line: #e3e7ed;
  --accent: #1f4f8f;
  --accent-dark: #163a6a;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --wrap: 68rem;
  --radius: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
}

h3 {
  font-size: 1.075rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-dark);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.wordmark {
  display: inline-flex;
  flex-direction: column;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.2;
}

.wordmark-name {
  font-weight: 650;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.wordmark-sub {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* Hero */

.hero {
  padding: clamp(3.5rem, 9vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.lead {
  max-width: 44rem;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-block;
  padding: 0.65rem 1.3rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 550;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.button-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.button-quiet:hover {
  background: var(--bg-soft);
  border-color: var(--muted);
  color: var(--ink);
}

/* Sections */

.section {
  padding: clamp(2.75rem, 7vw, 4.5rem) 0;
}

.section-soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prose {
  max-width: 46rem;
  color: var(--muted);
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

/* Company facts */

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1.25rem 2.5rem;
  margin: 2rem 0 0;
}

.fact {
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.fact dt {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.fact dd {
  margin: 0.35rem 0 0;
  font-size: 1rem;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.contact-item h3 {
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-item p {
  margin: 0 0 0.35rem;
}

/* Legal pages */

.page-head {
  padding: clamp(2.75rem, 7vw, 4rem) 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

.page-head .updated {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.legal {
  max-width: 46rem;
  padding: clamp(2rem, 5vw, 3rem) 0 clamp(2.75rem, 7vw, 4.5rem);
}

.legal h2 {
  margin-top: 2.25rem;
  font-size: 1.2rem;
}

.legal h2:first-of-type {
  margin-top: 0;
}

.legal ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 0.4rem;
}

.legal .contact-block {
  margin-top: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.legal .contact-block p {
  margin: 0 0 0.25rem;
}

.legal .contact-block p:last-child {
  margin-bottom: 0;
}

/* 404 */

.notfound {
  padding: clamp(4rem, 12vw, 7rem) 0;
  text-align: center;
}

.notfound .lead {
  margin-left: auto;
  margin-right: auto;
}

.notfound .hero-actions {
  justify-content: center;
}

/* Footer */

.site-footer {
  padding: clamp(2.5rem, 6vw, 3.5rem) 0 2rem;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
}

.footer-company {
  max-width: 34rem;
}

.footer-company p {
  margin: 0 0 0.3rem;
}

.footer-name {
  font-weight: 600;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.copyright {
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 34rem) {
  .footer-nav {
    flex-direction: row;
    gap: 1.25rem;
  }
}