:root {
  color-scheme: light;
  --ink: #17211d;
  --muted: #5c6963;
  --paper: #f7f5ef;
  --card: #fffdf7;
  --line: #d9ddd5;
  --accent: #12664f;
  --accent-dark: #0b4536;
  --warm: #f0b44d;
  --danger: #9f3a31;
  --shadow: 0 20px 60px rgba(30, 48, 40, 0.11);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(240, 180, 77, .18), transparent 30rem),
    var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

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

.shell { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand {
  color: var(--ink);
  font-weight: 850;
  font-size: 1.08rem;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-right: 9px;
  border-radius: 11px;
  background: var(--ink);
  color: white;
  font-weight: 900;
}

.nav-links { display: flex; gap: 18px; align-items: center; }
.nav-links a { text-decoration: none; font-size: .94rem; font-weight: 650; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 52px;
  align-items: center;
  padding: 74px 0 66px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 780px; margin: 0; font-size: clamp(2.65rem, 7vw, 5.6rem); }
h2 { margin: 0 0 12px; font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { margin: 0 0 8px; font-size: 1.25rem; }

.lede { max-width: 680px; color: var(--muted); font-size: clamp(1.06rem, 2.5vw, 1.3rem); }

.button, button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 780;
  text-decoration: none;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
}

.button:hover, button:hover { background: var(--accent-dark); color: white; transform: translateY(-1px); }
.button.secondary, button.secondary { border-color: var(--line); background: white; color: var(--ink); }
.button.secondary:hover, button.secondary:hover { border-color: var(--ink); background: white; color: var(--ink); }
.button.small { min-height: 38px; padding: 0 14px; font-size: .88rem; }

.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.card {
  border: 1px solid rgba(23, 33, 29, .11);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, .92);
  box-shadow: var(--shadow);
}

.hero-card { padding: 28px; transform: rotate(1deg); }
.hero-card .big-number { margin: 8px 0; font-size: clamp(2.8rem, 8vw, 5.2rem); font-weight: 900; letter-spacing: -.06em; }
.hero-card p { margin: 0; color: var(--muted); }

.section { padding: 68px 0; }
.section-head { max-width: 730px; margin-bottom: 28px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.panel { padding: clamp(22px, 4vw, 36px); }
.panel p:last-child { margin-bottom: 0; }

label { display: grid; gap: 7px; color: var(--ink); font-size: .9rem; font-weight: 720; }
input, select, textarea {
  width: 100%;
  min-height: 47px;
  padding: 11px 13px;
  border: 1px solid #cbd1ca;
  border-radius: 12px;
  background: white;
  color: var(--ink);
  font: inherit;
}

textarea { min-height: 104px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(18, 102, 79, .16); border-color: var(--accent); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.full { grid-column: 1 / -1; }
.help { color: var(--muted); font-size: .82rem; font-weight: 480; }

.results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.metric { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.metric span { display: block; color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.metric strong { display: block; margin-top: 3px; font-size: 1.7rem; letter-spacing: -.04em; }
.metric.alert strong { color: var(--danger); }

.output {
  min-height: 180px;
  padding: 20px;
  border: 1px dashed #aeb8b0;
  border-radius: 16px;
  background: #fbfcf9;
  white-space: pre-wrap;
}

.notice { padding: 14px 16px; border-left: 4px solid var(--warm); background: #fff8e7; color: #574720; }
.success { color: var(--accent-dark); font-weight: 760; }
.error { color: var(--danger); font-weight: 760; }

.subscribe {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr);
  gap: 32px;
  align-items: center;
  padding: clamp(26px, 5vw, 48px);
  background: var(--ink);
  color: white;
}
.subscribe h2 { color: white; }
.subscribe p { color: #cad4cf; }
.subscribe label { color: white; }
.subscribe .checkline { color: #e7ece9; }

.checkline { display: flex; align-items: flex-start; gap: 10px; font-size: .88rem; font-weight: 540; }
.checkline input { width: 18px; min-height: 18px; margin-top: 3px; }

.issue-card { display: flex; min-height: 100%; flex-direction: column; padding: 24px; }
.issue-card .meta, .article-meta { color: var(--muted); font-size: .82rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.issue-card p { color: var(--muted); }
.issue-card a:last-child { margin-top: auto; font-weight: 800; }

.article { width: min(780px, calc(100% - 36px)); margin: 42px auto 80px; }
.article h1 { margin: 12px 0 20px; font-size: clamp(2.4rem, 7vw, 4.6rem); }
.article h2 { margin-top: 48px; font-size: 1.8rem; }
.article h3 { margin-top: 30px; }
.article p, .article li { font-size: 1.06rem; }
.article .dek { color: var(--muted); font-size: 1.28rem; }

table { width: 100%; border-collapse: collapse; margin: 24px 0; background: white; }
th, td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
th { background: #eef2ed; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }

.source-list { padding-left: 1.2rem; }
.source-list li { margin-bottom: 10px; }

footer { margin-top: 76px; padding: 30px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-row p { margin: 0; }

[hidden] { display: none !important; }

@media (max-width: 820px) {
  .hero, .subscribe { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .hero-card { transform: none; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .form-grid, .results { grid-template-columns: 1fr; }
  .nav-links a:not(.button) { display: none; }
  .section { padding: 48px 0; }
}