:root {
  --ink: #152232;
  --ink-soft: #344255;
  --muted: #667588;
  --navy: #17385f;
  --navy-dark: #102943;
  --blue: #315f8f;
  --blue-soft: #eaf1f7;
  --paper: #f6f3ed;
  --panel: #ffffff;
  --panel-warm: #fbfaf7;
  --line: #d9dee5;
  --line-strong: #c6ced8;
  --success: #315f52;
  --danger: #9f3131;
  --shadow: 0 12px 34px rgba(22, 37, 55, .07);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.nav-wrap {
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 230px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 15px; letter-spacing: -.01em; }
.brand-byline { margin-top: 4px; color: var(--muted); font-size: 11px; }
.site-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.site-nav a {
  text-decoration: none;
  color: #4e5c6c;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 12px;
  border-radius: 8px;
}
.site-nav a:hover { color: var(--navy); background: #f2f5f8; }
.site-nav a.active { color: var(--navy); background: var(--blue-soft); }
.site-nav .nav-cta { color: #fff; background: var(--navy); }
.site-nav .nav-cta:hover, .site-nav .nav-cta.active { color: #fff; background: var(--navy-dark); }

main { min-height: calc(100vh - 150px); }
.hero, .page-hero, .section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, .82fr);
  gap: 56px;
  align-items: center;
  padding: 86px 0 78px;
}
.page-hero { padding: 68px 0 40px; }
.page-hero.compact { padding-bottom: 24px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
h1, h2, h3 { color: var(--ink); }
h1, .section-title, .callout h2, .tool-card h2, .profile-card h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.025em;
}
h1 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.03;
}
.page-hero h1 { font-size: clamp(38px, 5vw, 60px); }
.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.55;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.primary-button, .secondary-button, .tool-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 9px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.primary-button, .tool-action.primary { color: #fff; background: var(--navy); border: 1px solid var(--navy); }
.primary-button:hover, .tool-action.primary:hover { background: var(--navy-dark); transform: translateY(-1px); }
.secondary-button, .tool-action { color: var(--navy); background: #fff; border: 1px solid var(--line-strong); }
.secondary-button:hover, .tool-action:hover { border-color: #aab5c1; background: #f8fafc; transform: translateY(-1px); }

.card, .tool-card, .profile-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-index { padding: 24px; }
.hero-index h2 { margin: 0 0 7px; font-family: Georgia, serif; font-size: 26px; font-weight: 500; }
.hero-index > p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.index-link {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  text-decoration: none;
  border-top: 1px solid var(--line);
}
.index-link strong { display: block; font-size: 14px; }
.index-link small { display: block; margin-top: 2px; color: var(--muted); line-height: 1.35; }
.index-number { color: var(--blue); font: 700 12px/1 Georgia, serif; }
.index-arrow { color: var(--blue); font-size: 20px; }
.index-link:hover strong { color: var(--navy); }

.section { padding: 48px 0; }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 40px;
  align-items: end;
  margin-bottom: 24px;
}
.section-title { margin: 0; max-width: 760px; font-size: clamp(30px, 4vw, 44px); line-height: 1.12; }
.section-copy { color: var(--muted); line-height: 1.65; }
.section-head .section-copy { margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { padding: 24px; }
.feature-card h3 { margin: 13px 0 8px; font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.feature-card p { color: var(--ink-soft); }
.feature-card ul, .side-note ul, .profile-card ul, .clean-list { padding-left: 20px; color: var(--ink-soft); }
.feature-card li, .side-note li, .profile-card li, .clean-list li { margin: 7px 0; }
.tag, .badge {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--navy);
  background: var(--blue-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}
.text-link { display: inline-block; margin-top: 10px; color: var(--navy); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 32px 34px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #eef3f6;
}
.callout h2 { margin: 0 0 8px; font-size: 30px; }
.callout p { margin: 0; color: var(--ink-soft); max-width: 780px; }

.tool-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 22px; align-items: start; }
.tool-card { padding: 28px; }
.tool-card h2 { margin: 0 0 20px; font-size: 32px; }
.tool-form label { display: block; margin-bottom: 7px; color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.tool-form input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 12px 13px;
  background: #fff;
  color: var(--ink);
  outline: none;
}
.tool-form input:focus { border-color: #7e9bb9; box-shadow: 0 0 0 3px rgba(49,95,143,.08); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.button-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.results-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.result-box { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-warm); }
.result-label { color: var(--muted); font-size: 12px; font-weight: 800; }
.result-time { margin-top: 5px; color: var(--navy); font: 700 30px/1.1 Georgia, serif; }
.small-note { color: var(--muted); font-size: 13px; }
.side-note { padding: 24px; }
.side-note h3 { margin: 0 0 8px; font-family: Georgia, serif; font-size: 23px; font-weight: 500; }
.side-note p { color: var(--ink-soft); }

.project-hero, .profile-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 46px; align-items: center; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.metric strong { display: block; color: var(--navy); font: 600 26px/1.1 Georgia, serif; }
.metric span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
.featured-media { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 28px; align-items: center; }
.video-thumb { position: relative; display: block; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); background: #111; }
.video-thumb img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.play-chip { position: absolute; left: 16px; bottom: 16px; padding: 8px 11px; border-radius: 999px; color: #fff; background: rgba(16,41,67,.92); font-size: 12px; font-weight: 800; }
.clean-list { list-style: square; margin-bottom: 24px; }

.profile-summary { padding: 22px; }
.summary-line { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 13px 0; border-top: 1px solid var(--line); }
.summary-line:first-of-type { margin-top: 8px; }
.summary-line strong { color: var(--navy); }
.summary-line span { color: var(--muted); font-size: 13px; }
.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.profile-card { padding: 24px; box-shadow: none; }
.profile-card.wide { grid-column: 1/-1; }
.profile-card h2 { margin: 0 0 10px; font-size: 27px; }
.profile-card p { color: var(--ink-soft); }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}
.footer-wrap strong { color: var(--ink); }

@media (max-width: 920px) {
  .nav-wrap { align-items: flex-start; padding: 14px 0; flex-direction: column; gap: 10px; }
  .site-header { position: static; }
  .site-nav { width: 100%; justify-content: flex-start; }
  .hero, .project-hero, .profile-layout, .tool-layout, .featured-media { grid-template-columns: 1fr; }
  .hero { padding-top: 58px; gap: 28px; }
  .grid-3 { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 12px; }
  .button-grid, .results-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .hero, .page-hero, .section, .nav-wrap, .footer-wrap { width: min(100% - 28px, 1180px); }
  .site-nav a { padding: 8px 9px; font-size: 13px; }
  h1 { font-size: 42px; }
  .form-row, .metric-grid, .profile-grid { grid-template-columns: 1fr; }
  .profile-card.wide { grid-column: auto; }
  .callout, .footer-wrap { flex-direction: column; align-items: flex-start; }
  .summary-line { grid-template-columns: 1fr; gap: 2px; }
}