:root {
  color: #1d1d1f;
  background: #f5f5f7;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f5f5f7; }
a { color: inherit; }
.page-shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 720; letter-spacing: -.025em; text-decoration: none; }
.brand img { width: 34px; height: 34px; border: 1px solid rgba(37, 68, 53, .1); border-radius: 10px; background: rgba(255, 255, 255, .68); padding: 5px; box-shadow: 0 5px 15px rgba(34, 63, 49, .08); }
.site-nav { display: flex; align-items: center; gap: 22px; color: #6e6e73; font-size: 13px; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: #0066cc; }
.nav-cta, .primary-cta { border: 1px solid #007aff; border-radius: 999px; background: #007aff; color: #fff; box-shadow: 0 9px 24px rgba(41, 92, 69, .18); }
.nav-cta { padding: 10px 16px; }
.hero { display: grid; min-height: 600px; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); align-items: center; gap: clamp(48px, 8vw, 100px); padding: 72px 0 92px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #0066cc; font-size: 12px; font-weight: 720; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { width: 26px; height: 1px; background: #007aff; content: ""; }
h1, h2 { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", sans-serif; font-weight: 650; letter-spacing: -.048em; }
h1 { max-width: 760px; margin-top: 20px; font-size: clamp(48px, 7vw, 82px); line-height: 1.02; }
.hero-lead { max-width: 680px; margin: 26px 0 0; color: #6e6e73; font-size: clamp(17px, 2vw, 20px); line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 34px; }
.primary-cta { display: inline-flex; padding: 14px 22px; font-size: 14px; font-weight: 680; text-decoration: none; }
.text-link { color: #0066cc; font-size: 14px; text-decoration: underline; text-decoration-color: rgba(44, 101, 78, .25); text-underline-offset: 5px; }
.signal-card { position: relative; border: 1px solid rgba(43, 70, 56, .12); border-radius: 24px; background: #ffffff; padding: 30px; box-shadow: 0 32px 80px rgba(38, 60, 49, .12); backdrop-filter: blur(18px); }
.signal-card::before { content: none; }
.signal-card h2 { max-width: 290px; font-size: 34px; line-height: 1.12; }
.signal-list { display: grid; gap: 0; margin: 30px 0 0; padding: 0; list-style: none; }
.signal-list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; border-top: 1px solid rgba(43, 70, 56, .1); padding: 17px 0; color: #6e6e73; font-size: 14px; line-height: 1.65; }
.signal-list b { color: #0066cc; font-size: 11px; letter-spacing: .08em; }
.content-section { border-top: 1px solid rgba(38, 61, 49, .13); padding: 90px 0; }
.section-heading { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; }
.section-heading h2 { font-size: clamp(36px, 5vw, 57px); line-height: 1.08; }
.section-heading p { max-width: 680px; margin: 2px 0 0; color: #6e6e73; font-size: 16px; line-height: 1.9; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 54px; }
.feature { min-height: 220px; border: 1px solid rgba(42, 69, 55, .1); border-radius: 24px; background: #ffffff; padding: 28px; }
.feature:nth-child(2n) { border-radius: 24px; }
.feature span { color: #007aff; font-family: ui-monospace, monospace; font-size: 11px; }
.feature h3 { margin: 22px 0 9px; font-size: 17px; }
.feature p { margin: 0; color: #6e6e73; font-size: 14px; line-height: 1.78; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 50px 0 0; counter-reset: steps; }
.step { counter-increment: steps; }
.step::before { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid rgba(47, 103, 78, .22); border-radius: 50%; color: #007aff; content: counter(steps, decimal-leading-zero); font-size: 11px; }
.step h3 { margin: 20px 0 8px; font-size: 16px; }
.step p { margin: 0; color: #6e6e73; font-size: 14px; line-height: 1.75; }
.faq { display: grid; gap: 10px; margin-top: 46px; }
.faq details { border: 1px solid rgba(42, 69, 55, .11); border-radius: 18px; background: #ffffff; padding: 20px 22px; }
.faq summary { cursor: pointer; font-size: 15px; font-weight: 650; }
.faq p { margin: 13px 0 0; color: #6e6e73; font-size: 14px; line-height: 1.8; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 32px; border: 1px solid rgba(45, 78, 61, .13); border-radius: 24px; background: #eaf3ff; padding: clamp(30px, 6vw, 60px); }
.closing h2 { max-width: 650px; font-size: clamp(34px, 5vw, 56px); line-height: 1.08; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 0 44px; color: #6e6e73; font-size: 12px; }
.footer-links { display: flex; gap: 18px; }

@media (max-width: 820px) {
  .page-shell { width: min(100% - 28px, 680px); }
  .site-header { min-height: 70px; }
  .site-nav > a:not(.nav-cta):not(.language-link) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 55px; padding: 68px 0 74px; }
  h1 { font-size: clamp(43px, 13vw, 66px); }
  .signal-card { margin: 0 4px; }
  .content-section { padding: 68px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .feature { min-height: 0; }
  .closing { align-items: flex-start; flex-direction: column; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 460px) {
  .site-nav { gap: 10px; }
  .nav-cta { padding: 9px 12px; }
  .hero { padding-top: 50px; }
  .hero-lead { font-size: 16px; }
  .signal-card { padding: 25px; }
}
