:root {
  --white: #f8f8f5;
  --paper: #ffffff;
  --ink: #111111;
  --soft: #aeb5c0;
  --gray: #3b3b3b;
  --dark: #111111;
  --panel: #171717;
  --line: rgba(17, 17, 17, 0.16);
  --line-dark: rgba(248, 248, 245, 0.13);
  --gold: #c49a2c;
  --muted: #5f5f5f;
  --max: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.46;
  -webkit-font-smoothing: antialiased;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 10;
  background: var(--ink);
  color: var(--white);
  padding: 10px 14px;
}
.skip-link:focus { left: 12px; }
a { color: inherit; }
.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}
.kicker {
  margin: 0 0 18px;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
}
.kicker.gold { color: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  letter-spacing: .04em;
  line-height: .98;
}
h1 { font-size: clamp(50px, 6.8vw, 92px); margin: 0; }
h1 span, h2 span { color: var(--soft); font-style: italic; }
h2 { font-size: clamp(32px, 4.5vw, 56px); margin: 0 0 24px; }

.hero {
  position: relative;
  background: var(--white);
  padding: clamp(90px, 10vw, 150px) 0 clamp(110px, 13vw, 180px);
  overflow: hidden;
}
.hero-grid, .two-col, .closing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, .86fr);
  gap: clamp(58px, 10vw, 150px);
  align-items: start;
}
.hero-title { max-width: 560px; }
.hero-copy {
  max-width: 450px;
  padding-top: 18px;
  font-size: 15px;
  font-weight: 600;
}
.lead-line { margin-bottom: 26px; }
.promise-box {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.55);
  padding: 24px 26px 22px;
  margin: 28px 0 26px;
}
.promise-box p:last-child { margin-bottom: 0; }
.promise-label {
  margin-bottom: 12px;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--gold);
}
.small-note {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.wave {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -92px;
  height: 188px;
  background: var(--white);
  border-top: 1px solid #b6bec8;
  border-radius: 50% 50% 0 0 / 34% 34% 0 0;
  transform: rotate(-2deg);
}

.dark-band, .black-panel {
  background: var(--dark);
  color: var(--white);
}
.dark-band { padding: clamp(72px, 9vw, 112px) 0 clamp(78px, 9vw, 112px); }
.band-head { display: grid; grid-template-columns: .9fr 1.1fr; gap: 45px; align-items: end; margin-bottom: 36px; }
.dark-band h2, .black-panel h2 { color: var(--white); margin-bottom: 0; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}
.trust-card {
  min-height: 210px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  align-content: start;
  color: var(--white);
  text-decoration: none;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: #171717;
  transition: background .18s ease, transform .18s ease;
}
.trust-card:hover, .trust-card:focus-visible { background: #222; outline: none; transform: translateY(-2px); }
.trust-card .number, .trust-card .category {
  color: #787878;
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
}
.trust-card .category { text-align: right; }
.trust-card strong {
  grid-column: 1 / -1;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-size: 23px;
  line-height: 1.08;
  letter-spacing: .02em;
}
.trust-card small {
  grid-column: 1 / -1;
  color: #b7b7b7;
  font-size: 13px;
  line-height: 1.4;
}
.trust-card em {
  grid-column: 1 / -1;
  align-self: end;
  margin-top: 10px;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 10px;
  color: var(--gold);
}

.white-band {
  background: var(--white);
  padding: clamp(62px, 8vw, 104px) 0;
  scroll-margin-top: 16px;
}
.white-band.compact { padding-top: clamp(56px, 7vw, 86px); }
.white-band + .white-band { border-top: 1px solid var(--line); }
.section-top { display: flex; justify-content: flex-end; margin-bottom: 18px; }
.top-link {
  display: inline-flex;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 10px;
  font-weight: 800;
  text-decoration: none;
  color: var(--muted);
}
.top-link:hover, .top-link:focus-visible { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.dark-top .top-link { color: #b8b8b8; }
.dark-top .top-link:hover, .dark-top .top-link:focus-visible { color: var(--white); }
.section-head { max-width: 460px; }
.section-body { max-width: 525px; font-weight: 600; }
.lead {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 22px;
  line-height: 1.22;
  letter-spacing: .04em;
  font-weight: 400;
  margin-bottom: 28px;
}
.section-body p { margin-bottom: 18px; }
.section-body a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.accordion-group { border-top: 1px solid var(--line); margin-top: 28px; }
details { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 800;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 16px; line-height: 1; color: var(--muted); }
details[open] summary::after { content: '–'; }
.accordion-content { padding: 0 0 24px; color: var(--muted); font-weight: 500; }
ul { margin: 0; padding-left: 18px; }
li + li { margin-top: 8px; }
.plain-list { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 24px; }
.plain-list p { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.plain-list strong { display: block; margin-bottom: 4px; color: var(--ink); }

.black-panel { padding: clamp(72px, 9vw, 112px) 0; scroll-margin-top: 16px; }
.lab-layout, .lab-notes { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 8vw, 110px); align-items: start; }
.black-panel p, .black-panel li { color: #bdbdbd; font-weight: 500; }
.flow-card { border: 1px solid var(--line-dark); background: #171717; padding: 24px; }
.flow-step {
  border: 1px solid var(--line-dark);
  padding: 15px 17px;
  color: var(--white);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 20px;
  letter-spacing: .03em;
}
.flow-line { width: 1px; height: 20px; background: var(--line-dark); margin-left: 23px; }
.lab-notes { border-top: 1px solid var(--line-dark); margin-top: 54px; padding-top: 34px; }

.closing-band {
  background: var(--white);
  padding: clamp(62px, 8vw, 104px) 0 clamp(78px, 9vw, 120px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 16px;
}
.why-card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 30px;
  font-weight: 600;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  min-height: 46px;
  padding: 14px 22px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  margin-top: 12px;
}
.button.dark { background: var(--dark); color: var(--white); }
.button:hover, .button:focus-visible { outline: none; background: var(--gold); color: var(--ink); border-color: var(--gold); }

@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 880px) {
  .hero-grid, .two-col, .closing-grid, .lab-layout, .lab-notes, .band-head { grid-template-columns: 1fr; gap: 34px; }
  .hero-copy { padding-top: 0; }
  .trust-card { min-height: 180px; }
}
@media (max-width: 600px) {
  .wrap { width: min(100% - 34px, var(--max)); }
  .hero { padding-top: 62px; padding-bottom: 116px; }
  h1 { font-size: clamp(44px, 14vw, 64px); }
  h2 { font-size: clamp(31px, 11vw, 46px); }
  .card-grid { grid-template-columns: 1fr; }
  .trust-card { padding: 22px; }
  .white-band, .black-panel, .closing-band { padding-top: 58px; padding-bottom: 58px; }
  .promise-box, .why-card { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* v4 refinements: clearer landing anchors, tighter policy sections */
.anchor-target {
  position: relative;
  top: -8px;
  height: 0;
}
.text-jump {
  display: inline-flex;
  margin: 2px 0 22px;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 6px;
}
.text-jump:hover, .text-jump:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  outline: none;
}
.section-marker {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  margin-bottom: 34px;
  padding: 13px 0 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-marker span {
  color: var(--gold);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 800;
}
.section-marker strong {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 800;
}
.dark-marker {
  border-top-color: var(--line-dark);
  border-bottom-color: var(--line-dark);
}
.dark-marker strong { color: var(--white); }
.white-band:target .section-marker,
.black-panel:target .section-marker,
.closing-band:target .section-marker {
  border-top-color: var(--gold);
}
.policy-layout {
  grid-template-columns: minmax(240px, .62fr) minmax(360px, 1fr);
  gap: clamp(42px, 8vw, 110px);
}
.policy-layout .section-head h2,
.policy-layout #labs-title,
.policy-layout #why-title {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.05;
  letter-spacing: .035em;
  margin-bottom: 16px;
}
.section-tagline {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.02;
  letter-spacing: .04em;
  margin: 0;
  max-width: 420px;
}
.section-tagline span {
  color: var(--soft);
  font-style: italic;
}
.dark-tagline { color: var(--white); margin-bottom: 22px; }
.dark-tagline span { color: var(--gold); }
.white-band,
.black-panel,
.closing-band {
  scroll-margin-top: 18px;
}
.white-band {
  padding: clamp(46px, 6vw, 74px) 0;
}
.white-band.compact { padding-top: clamp(42px, 5.5vw, 68px); }
.black-panel { padding: clamp(54px, 7vw, 88px) 0; }
.closing-band { padding: clamp(46px, 6vw, 74px) 0 clamp(62px, 7vw, 92px); }
.lead {
  font-size: 19px;
  margin-bottom: 22px;
}
.accordion-group { margin-top: 22px; }
summary { padding: 16px 0; }
.accordion-content { padding-bottom: 20px; }
@media (max-width: 880px) {
  .policy-layout { grid-template-columns: 1fr; gap: 26px; }
  .section-marker { grid-template-columns: auto 1fr; }
  .section-marker .top-link { grid-column: 1 / -1; justify-self: start; }
}