:root {
  --bg: #f5f4ee;
  --card: #ffffff;
  --ink: #18241d;
  --muted: #5d6b62;
  --forest: #1b4332;
  --forest-2: #2d6a4f;
  --forest-soft: #e8efe9;
  --border: #e2e6dd;
  --shadow: 0 1px 2px rgba(24,36,29,0.04), 0 12px 30px rgba(24,36,29,0.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 940px; margin: 0 auto; padding: 0 24px; }

/* Top bar */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 0;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 19px; letter-spacing: -0.01em; color: var(--forest);
  text-decoration: none;
}
.brand .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--forest-2); box-shadow: 0 0 0 4px var(--forest-soft); }
.nav-cta {
  font-size: 14px; font-weight: 500; color: var(--forest);
  text-decoration: none; padding: 9px 16px; border: 1px solid var(--border);
  border-radius: 999px; background: #fff; transition: all .15s ease;
}
.nav-cta:hover { border-color: var(--forest-2); color: var(--forest-2); }

/* Back link */
.back {
  display: inline-flex; align-items: center; gap: 7px; margin: 8px 0 0;
  font-size: 14px; font-weight: 500; color: var(--muted); text-decoration: none;
  transition: color .15s ease;
}
.back:hover { color: var(--forest-2); }

/* Hero */
.cs-hero { padding: 30px 0 20px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--forest-2); background: var(--forest-soft);
  padding: 6px 13px; border-radius: 999px; margin-bottom: 22px;
}
h1 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400; font-size: clamp(38px, 6.4vw, 66px);
  line-height: 1.05; letter-spacing: -0.01em; color: var(--ink);
  max-width: 18ch;
}
h1 .accent { color: var(--forest-2); font-style: italic; }
.lede {
  font-size: clamp(16px, 2.1vw, 19px); color: var(--muted);
  max-width: 62ch; margin-top: 22px;
}
.client-meta {
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 30px;
}
.client-meta .label {
  font-size: 11.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 3px;
}
.client-meta .value { font-size: 15px; font-weight: 600; color: var(--forest); }

/* Hero stat strip */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 34px 0 10px;
}
.stat-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px 20px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.stat-box::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--forest), var(--forest-2));
}
.stat-box .num {
  font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  font-size: 46px; line-height: 1; color: var(--forest); letter-spacing: -0.02em;
  display: block; margin-bottom: 9px;
}
.stat-box .label {
  font-size: 13px; font-weight: 600; color: var(--ink); line-height: 1.35;
}
.stat-box .sub {
  font-size: 12px; color: var(--muted); margin-top: 3px;
}

/* Sections */
.section { padding: 52px 0; border-top: 1px solid var(--border); }
.section-label {
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--forest-2); margin-bottom: 10px;
}
.section-title {
  font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  font-size: clamp(28px, 4.2vw, 40px); line-height: 1.1; color: var(--ink); margin-bottom: 28px;
}
.prose p { color: var(--muted); font-size: 16.5px; max-width: 74ch; margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }

/* Two-column blocks */
.blocks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.block {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 28px 26px; box-shadow: var(--shadow);
}
.block h3 {
  font-size: 17px; font-weight: 700; color: var(--forest); margin-bottom: 10px;
  letter-spacing: -0.01em; line-height: 1.3;
}
.block p { font-size: 15px; color: var(--muted); }

/* Result blocks */
.block--result h3 {
  display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap;
}
.block--result h3 .rnum {
  font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  font-size: 38px; line-height: 1; color: var(--forest-2); letter-spacing: -0.02em;
}

/* Closing band */
.closing {
  background: var(--forest); border-radius: 24px; padding: 56px 40px; text-align: center;
  color: #fff; margin: 20px 0 70px; box-shadow: 0 20px 50px rgba(27,67,50,0.25);
}
.closing h2 {
  font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  font-size: clamp(28px, 4.5vw, 42px); line-height: 1.1; margin-bottom: 14px;
}
.closing p { color: #c9dcd1; font-size: 17px; max-width: 46ch; margin: 0 auto 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--forest); color: #fff; text-decoration: none;
  font-weight: 600; font-size: 16px; padding: 15px 28px; border-radius: 12px;
  transition: transform .15s ease, background .15s ease;
  box-shadow: 0 8px 20px rgba(27,67,50,0.22);
}
.btn:hover { background: var(--forest-2); transform: translateY(-1px); }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn--light { background: #fff; color: var(--forest); box-shadow: 0 8px 20px rgba(0,0,0,0.18); }
.btn--light:hover { background: #eef4ef; }

footer {
  padding: 0 0 50px; display: flex; align-items: center; justify-content: space-between;
  color: var(--muted); font-size: 14px; flex-wrap: wrap; gap: 12px;
}
footer .brand { font-size: 16px; }

@media (max-width: 860px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .blocks { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .closing { padding: 44px 24px; }
  .client-meta { gap: 20px; }
}
