:root {
  color-scheme: light dark;
  --canvas: #f7f4ee;
  --surface: #fffdf9;
  --surface-soft: #f0eef5;
  --ink: #20242c;
  --text: #50525e;
  --muted: #6b6c77;
  --border: #dedae5;
  --twilight: #4c4a78;
  --coral: #f29c83;
  --sage: #43705e;
  --warning: #9e571f;
  --shadow: 0 18px 48px rgba(55, 51, 83, 0.08);
  --content: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 8%, rgba(242, 156, 131, 0.13), transparent 29rem),
    radial-gradient(circle at 91% 20%, rgba(76, 74, 120, 0.10), transparent 31rem),
    var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--twilight); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  border-radius: 0.8rem;
  background: var(--twilight);
  color: white;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(222, 218, 229, 0.75);
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(calc(100% - 2rem), var(--content));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 720;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.brand img { width: 38px; height: 38px; }

.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { color: var(--text); font-size: 0.94rem; text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--twilight); font-weight: 650; }

.wrap { width: min(calc(100% - 2rem), var(--content)); margin: 0 auto; }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: clamp(2.5rem, 8vw, 7rem);
  padding: 6.5rem 0 5.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--twilight);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow.coral { color: #f5c1b1; }

h1, h2, h3 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "PingFang SC", sans-serif; line-height: 1.2; }
h1 { max-width: 12ch; margin: 0; font-size: clamp(3rem, 7vw, 5.8rem); letter-spacing: -0.055em; }
h2 { margin: 0 0 0.8rem; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.035em; }
h3 { margin: 0; font-size: 1.16rem; }

.hero-copy {
  max-width: 650px;
  margin: 1.5rem 0 0;
  color: var(--text);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--twilight);
  border-radius: 14px;
  color: white;
  background: var(--twilight);
  font-weight: 680;
  text-decoration: none;
}
.button.secondary { color: var(--twilight); background: transparent; }

.mark-stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 34%;
  background: linear-gradient(145deg, rgba(255,255,255,0.92), rgba(240,238,245,0.68));
  box-shadow: var(--shadow);
}
.mark-stage::after {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(76, 74, 120, 0.10);
  border-radius: 30%;
}
.mark-stage img { width: 72%; height: 72%; z-index: 1; }

.section { padding: 5.5rem 0; }
.section-lead { max-width: 700px; margin-bottom: 2rem; }
.section-lead p { margin: 0; color: var(--text); font-size: 1.06rem; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card {
  min-height: 210px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 8px 28px rgba(55, 51, 83, 0.04);
}
.card .number { color: var(--twilight); font-size: 0.83rem; font-weight: 760; letter-spacing: 0.08em; }
.card h3 { margin-top: 1.1rem; }
.card p { margin: 0.7rem 0 0; color: var(--text); }

.statement {
  padding: clamp(2rem, 6vw, 4.5rem);
  border-radius: 32px;
  background: var(--twilight);
  color: white;
  box-shadow: var(--shadow);
}
.statement h2 { max-width: 19ch; }
.statement p { max-width: 720px; margin: 1rem 0 0; color: rgba(255,255,255,0.82); font-size: 1.06rem; }
.statement .button { margin-top: 1.7rem; border-color: white; color: var(--twilight); background: white; }

.document { max-width: 820px; padding: 5rem 0 7rem; }
.document-head { padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.document-head h1 { max-width: none; font-size: clamp(2.6rem, 6vw, 4.5rem); }
.document-head .summary { max-width: 700px; color: var(--text); font-size: 1.08rem; }
.meta { color: var(--muted); font-size: 0.9rem; }
.prose { padding-top: 1rem; }
.prose section { padding: 1.5rem 0; border-bottom: 1px solid var(--border); }
.prose section:last-child { border-bottom: 0; }
.prose h2 { margin: 0 0 0.65rem; font-size: 1.45rem; letter-spacing: -0.018em; }
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 1.35rem; }
.note {
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--coral);
  border-radius: 0 14px 14px 0;
  background: rgba(242, 156, 131, 0.10);
  color: var(--text);
}

.faq { display: grid; gap: 0.85rem; margin-top: 2rem; }
.faq details { padding: 1.1rem 1.2rem; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.faq summary { cursor: pointer; color: var(--ink); font-weight: 680; }
.faq p { margin-bottom: 0; }

.contact-card { margin-top: 2rem; padding: 1.5rem; border-radius: 22px; background: var(--surface-soft); }
.contact-card p { margin-bottom: 0; }
.pending-contact { color: var(--warning); font-weight: 650; }

.site-footer { border-top: 1px solid var(--border); }
.footer-inner {
  min-height: 124px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }

@media (max-width: 760px) {
  .nav { min-height: 62px; }
  .nav-links { gap: 0.8rem; }
  .nav-links a:first-child { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 4.5rem 0; }
  .hero-visual { order: -1; width: min(64vw, 300px); margin: 0 auto; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .section { padding: 4rem 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding: 1.7rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #171820;
    --surface: #20212a;
    --surface-soft: #292936;
    --ink: #f2f0f5;
    --text: #cbc8d3;
    --muted: #aaa7b4;
    --border: #3c3b49;
    --twilight: #aaa6e9;
    --warning: #efb27f;
    --shadow: 0 18px 48px rgba(0,0,0,0.24);
  }
  .mark-stage { background: linear-gradient(145deg, #262733, #1d1e27); }
  .mark-stage img { filter: brightness(1.42) saturate(0.78); }
  .statement { background: #32304d; }
  .button { color: #171820; }
  .button.secondary { color: var(--twilight); }
}