:root {
  --ink: #172033;
  --navy: #17345b;
  --navy-deep: #112946;
  --muted: #667085;
  --paper: #f6f7f9;
  --white: #ffffff;
  --line: #dfe4ea;
  --line-strong: #cbd3dd;
  --gold: #3a6960;
  --gold-soft: #edf4f2;
  --blue-soft: #edf3f8;
  --green: #416b50;
  --green-soft: #edf4ef;
  --red: #8a4b4b;
  --red-soft: #f7eeee;
  --max: 1120px;
  --reading: 760px;
  --radius: 10px;
  --shadow: 0 12px 34px rgba(20, 35, 55, 0.06);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid rgba(58, 105, 96, 0.38);
  outline-offset: 3px;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.reading-width {
  width: min(var(--reading), 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(223, 228, 234, 0.95);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.site-nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-links {
  display: grid;
  grid-auto-flow: column;
  gap: 22px;
  align-items: center;
}

.site-links a {
  color: #4e5a6b;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.site-links a:hover { color: var(--navy); }

.tool-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: none;
}

.hero {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.hero-inner {
  padding-block: clamp(62px, 8vw, 96px);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1, h2, h3 {
  color: var(--navy);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(2.45rem, 5.6vw, 4.75rem);
  line-height: 1.01;
  letter-spacing: -0.052em;
}

h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  line-height: 1.14;
}

h3 { line-height: 1.22; }

.lead {
  max-width: 770px;
  margin: 24px 0 0;
  color: #4e5a6b;
  font-size: clamp(1.02rem, 1.5vw, 1.14rem);
}

.section {
  padding-block: clamp(58px, 7vw, 82px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  align-items: start;
  gap: 10px;
  margin-bottom: 32px;
}

.section-heading p {
  max-width: 650px;
  justify-self: start;
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.quiet-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.kicker {
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--navy);
  border-radius: 8px;
  padding: 10px 15px;
  background: var(--navy);
  color: var(--white);
  cursor: pointer;
  font-weight: 750;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--navy-deep);
  background: var(--navy-deep);
  transform: translateY(-1px);
}

.button.secondary {
  border-color: var(--line-strong);
  background: var(--white);
  color: var(--navy);
}

.button.secondary:hover { background: var(--blue-soft); }

.button.quiet {
  min-height: 38px;
  border-color: transparent;
  background: transparent;
  color: var(--navy);
}

.button.quiet:hover { background: var(--blue-soft); }

.tool-intro {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.tool-intro .container {
  padding-block: clamp(46px, 6vw, 70px);
}

.tool-intro h1 {
  max-width: 800px;
  font-size: clamp(2.15rem, 4vw, 3.6rem);
}

.tool-intro p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
}

.tool-main {
  padding-block: clamp(36px, 5vw, 66px) 82px;
}

.notice {
  border-left: 3px solid var(--gold);
  padding: 15px 18px;
  background: var(--gold-soft);
  color: #55472f;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 30px 42px;
  color: #7b8493;
  font-size: 0.8rem;
}

.site-footer strong { color: var(--navy); }

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 430ms ease, transform 430ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@view-transition { navigation: auto; }

@media (max-width: 760px) {
  .container { width: min(100% - 32px, var(--max)); }
  .site-nav { min-height: 62px; }
  .site-links { display: none; }
  .section-heading { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .site-nav { gap: 14px; }
  .site-brand { max-width: 210px; font-size: 0.82rem; line-height: 1.2; }
  .tool-back { flex: 0 0 auto; font-size: 0.78rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}