:root {
  color-scheme: light;
  --bg: #f5f8f8;
  --paper: #ffffff;
  --paper-soft: #edf4f3;
  --ink: #172b35;
  --muted: #526872;
  --line: #d8e4e4;
  --accent: #087f83;
  --accent-deep: #075e65;
  --accent-soft: #e1f2ef;
  --content: 1160px;
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 87% 4%, rgba(174, 220, 207, .34), transparent 30rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible {
  outline: 3px solid #bd6b27;
  outline-offset: 4px;
  border-radius: 3px;
}

.page-width {
  width: min(calc(100% - 56px), var(--content));
  margin-inline: auto;
}

.site-header {
  width: min(calc(100% - 56px), var(--content));
  min-height: 82px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .16em;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid #9fcac5;
  border-radius: 11px;
  color: var(--accent-deep);
  background: var(--accent-soft);
  font-size: 17px;
  letter-spacing: 0;
}

nav { display: flex; gap: 32px; }
nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: color .18s ease;
}
nav a:hover { color: var(--accent-deep); }

.hero {
  min-height: 575px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, .96fr);
  gap: clamp(38px, 7vw, 92px);
  align-items: center;
  padding-block: 68px 80px;
}

.eyebrow, .section-kicker {
  margin: 0;
  color: var(--accent-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow-line { width: 28px; height: 2px; background: #c27637; }

h1 {
  max-width: 640px;
  margin: 23px 0 20px;
  font-size: clamp(46px, 6.3vw, 76px);
  font-weight: 750;
  letter-spacing: -.065em;
  line-height: 1.02;
}

h1 span { color: var(--accent); }
.hero-description {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.primary-link {
  min-height: 51px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-top: 29px;
  padding: 0 20px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 5px 14px rgba(8, 127, 131, .14);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.primary-link:hover {
  transform: translateY(-2px);
  background: var(--accent-deep);
  box-shadow: 0 8px 18px rgba(8, 94, 101, .18);
}
.primary-link svg { width: 18px; height: 18px; }

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #399879;
  box-shadow: 0 0 0 4px rgba(57, 152, 121, .12);
}

.hero-art {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid #d1e2df;
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 255, 255, .94), transparent 43%),
    linear-gradient(145deg, #e8f3ef, #dcebe8);
  box-shadow: 0 20px 55px rgba(47, 87, 87, .09);
}

.art-grid {
  position: absolute;
  inset: 0;
  opacity: .55;
  background-image:
    linear-gradient(rgba(8, 127, 131, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 127, 131, .07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse, #000, transparent 75%);
}

.chip {
  position: relative;
  z-index: 1;
  width: min(58%, 220px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid #a3c9c4;
  border-radius: 26px;
  background: linear-gradient(145deg, #f8fffc, #d9ebe6 72%);
  box-shadow: 0 24px 55px rgba(31, 91, 89, .18), inset 0 0 30px rgba(255, 255, 255, .9);
  transform: rotate(-8deg);
}

.chip::before, .chip::after {
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(8, 127, 131, .18);
  border-radius: 18px;
  content: "";
}

.chip::after { inset: -19px; border-color: rgba(8, 127, 131, .18); border-radius: 34px; }
.chip-inner { display: flex; flex-direction: column; align-items: center; gap: 12px; transform: rotate(8deg); }
.chip-label, .chip-caption { color: #577976; font-size: 8px; font-weight: 800; letter-spacing: .2em; }
.chip-center { color: var(--accent-deep); font-size: 46px; font-weight: 800; letter-spacing: -.08em; }
.chip-caption { font-size: 7px; }
.orbit { position: absolute; width: 75%; height: 32%; border: 1px solid rgba(8, 127, 131, .2); border-radius: 50%; transform: rotate(-28deg); }
.orbit-two { width: 88%; height: 42%; transform: rotate(36deg); border-color: rgba(194, 118, 55, .23); }
.art-tag {
  position: absolute;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid #d0e1de;
  border-radius: 5px;
  color: #31545a;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 4px 12px rgba(47, 87, 87, .06);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}
.tag-one { top: 21%; left: 13%; }
.tag-two { top: 31%; right: 12%; }
.tag-three { bottom: 19%; left: 22%; }

.topics { padding-block: 30px 100px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-kicker { margin-bottom: 13px; }
h2 { margin: 0; font-size: clamp(32px, 4vw, 47px); font-weight: 750; letter-spacing: -.055em; line-height: 1.12; }
.section-heading > p { max-width: 370px; margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.75; }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 10px 30px rgba(40, 76, 80, .045);
}
.topic-card { position: relative; min-height: 260px; padding: 25px 27px 30px; }
.topic-card + .topic-card { border-left: 1px solid var(--line); }
.topic-number { color: var(--accent-deep); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.topic-icon { width: 43px; height: 43px; display: grid; place-items: center; margin-top: 22px; border: 1px solid #c8e2dd; border-radius: 12px; color: var(--accent-deep); background: var(--accent-soft); }
.topic-icon svg { width: 26px; height: 26px; }
.topic-card h3 { margin: 17px 0 8px; font-size: 18px; font-weight: 750; letter-spacing: -.02em; }
.topic-card p { max-width: 295px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.topic-arrow { position: absolute; right: 25px; bottom: 25px; color: #9a6a3c; font-size: 15px; }

.checklist {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(35px, 8vw, 100px);
  align-items: start;
  padding: 48px clamp(25px, 5vw, 62px);
  border: 1px solid #cfe0dd;
  border-radius: 16px;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(216, 239, 231, .65), transparent 54%),
    var(--paper);
  box-shadow: 0 14px 38px rgba(40, 76, 80, .06);
}

.checklist-copy > p:last-child { max-width: 360px; margin: 18px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.checklist-items { margin: 0; padding: 0; list-style: none; }
.checklist-items li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.checklist-items li:first-child { padding-top: 0; }
.checklist-items li:last-child { padding-bottom: 0; border: 0; }
.checklist-items li > span { padding-top: 2px; color: var(--accent-deep); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.checklist-items strong { display: block; font-size: 14px; font-weight: 750; }
.checklist-items p { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.site-footer {
  min-height: 102px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 75px;
  border-top: 1px solid var(--line);
  color: #526872;
  font-size: 11px;
}
.footer-brand { color: var(--ink); }
.footer-brand .brand-mark { width: 30px; height: 30px; border-radius: 9px; font-size: 14px; }

@media (max-width: 760px) {
  .page-width, .site-header { width: min(calc(100% - 40px), var(--content)); }
  .site-header { min-height: 72px; }
  nav { gap: 20px; }
  nav a { font-size: 13px; }
  .hero { grid-template-columns: 1fr; gap: 38px; min-height: 0; padding-block: 56px 62px; }
  h1 { max-width: 560px; font-size: clamp(48px, 11vw, 70px); }
  .hero-art { min-height: 340px; }
  .topics { padding-bottom: 72px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 14px; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card, .topic-card + .topic-card { min-height: 0; padding: 23px 24px 27px; border-left: 0; }
  .topic-card + .topic-card { border-top: 1px solid var(--line); }
  .topic-icon { margin-top: 16px; }
  .topic-card h3 { margin-top: 14px; }
  .topic-arrow { right: 24px; bottom: 24px; }
  .checklist { grid-template-columns: 1fr; gap: 29px; padding: 32px 25px; }
  .site-footer { flex-wrap: wrap; justify-content: space-between; padding-block: 20px; }
  .site-footer > span:nth-child(2) { order: 3; width: 100%; }
}

@media (max-width: 390px) {
  .page-width, .site-header { width: min(calc(100% - 32px), var(--content)); }
  nav { gap: 14px; }
  nav a { font-size: 12px; }
  .eyebrow { font-size: 9px; letter-spacing: .12em; }
  .hero-art { min-height: 290px; }
  .hero-description { font-size: 16px; }
  .site-footer > span:last-child { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Cool-toned field guide: readable hierarchy with a quiet instrument-panel edge. */
:root {
  --bg: #eef4f3;
  --paper: #fbfdfb;
  --paper-soft: #e5efed;
  --ink: #173039;
  --muted: #526a70;
  --line: #cfdfdd;
  --accent: #087f78;
  --accent-deep: #075c59;
  --accent-soft: #dcefeb;
  --content: 1200px;
  font-family: "Avenir Next", Avenir, "Trebuchet MS", system-ui, sans-serif;
}
html { scroll-padding-top: 34px; }
body {
  background:
    radial-gradient(ellipse at 84% 8%, rgba(158, 203, 190, .35), transparent 32rem),
    linear-gradient(135deg, rgba(255,255,255,.4), transparent 55%),
    var(--bg);
}
.page-width, .site-header { width: min(calc(100% - 64px), var(--content)); }
.site-header { min-height: 88px; border-color: #c8dad7; }
.brand { font-size: 16px; letter-spacing: .19em; }
.brand-mark { border-radius: 4px 12px 4px 12px; }
nav { gap: 36px; }
nav a { font-size: 13px; }

.hero {
  min-height: 620px;
  grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr);
  gap: clamp(44px, 7vw, 100px);
  padding-block: 76px 88px;
}
.eyebrow, .section-kicker { letter-spacing: .18em; }
.eyebrow-line { background: #b36d36; }
h1 {
  max-width: 680px;
  margin-block: 25px 22px;
  font-size: clamp(50px, 6.7vw, 82px);
  letter-spacing: -.072em;
  line-height: .99;
}
h1 span { color: #087b75; }
.hero-description { font-size: 17px; line-height: 1.85; }
.primary-link {
  min-height: 53px;
  padding-inline: 22px;
  border-radius: 3px;
  box-shadow: 3px 3px 0 rgba(8, 94, 101, .13);
}
.hero-note { margin-top: 35px; }
.status-dot { background: #317d6c; box-shadow: 0 0 0 4px rgba(49,125,108,.1); }

.hero-art {
  min-height: 430px;
  border-color: #c6dcd7;
  border-radius: 4px 42px 4px 42px;
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 255, 255, .95), transparent 45%),
    linear-gradient(145deg, #e4f0eb, #d6e7e2);
  box-shadow: 0 24px 60px rgba(37, 80, 77, .1);
}
.art-grid {
  background-size: 36px 36px;
  opacity: .45;
}
.chip {
  border-radius: 10px 28px 10px 28px;
  background: linear-gradient(145deg, #fbfffc, #d2e8e1 75%);
  box-shadow: 0 25px 56px rgba(31, 91, 89, .19), inset 0 0 28px rgba(255,255,255,.92);
}
.chip::before { border-radius: 7px 17px 7px 17px; }
.chip::after { border-radius: 14px 28px 14px 28px; }
.orbit { border-style: dashed; }
.orbit-two { border-style: solid; }
.art-tag { border-radius: 2px; }

.topics { padding-block: 28px 112px; }
.section-heading { margin-bottom: 34px; }
.section-kicker { margin-bottom: 15px; }
h2 { font-size: clamp(34px, 4.1vw, 50px); }
.topic-grid {
  overflow: hidden;
  border-color: #cadaD7;
  border-radius: 4px 22px 4px 22px;
  box-shadow: 0 15px 38px rgba(40, 76, 80, .055);
}
.topic-card { min-height: 278px; padding: 28px 30px 32px; }
.topic-number { color: #92724f; }
.topic-icon { border-radius: 5px 13px 5px 13px; }
.topic-card h3 { font-size: 19px; }
.topic-arrow { color: #a55d2c; }

.checklist {
  gap: clamp(42px, 8vw, 108px);
  padding-block: 54px;
  border-color: #c9dcda;
  border-radius: 4px 28px 4px 28px;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(202, 232, 219, .68), transparent 56%),
    var(--paper);
  box-shadow: 0 16px 42px rgba(40, 76, 80, .065);
}
.checklist-items li > span { color: #a46132; }
.checklist-items li { border-color: #d8e4e1; }
.site-footer { min-height: 108px; margin-top: 88px; border-color: #c8dad7; }

@media (max-width: 760px) {
  .page-width, .site-header { width: min(calc(100% - 40px), var(--content)); }
  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding-block: 58px 64px;
  }
  .hero-art { min-height: 360px; }
  .topics { padding-bottom: 78px; }
  .topic-card, .topic-card + .topic-card { padding-inline: 25px; }
  .checklist { border-radius: 4px 20px 4px 20px; }
  .site-footer { margin-top: 70px; }
}
@media (max-width: 390px) {
  .page-width, .site-header { width: min(calc(100% - 32px), var(--content)); }
  .hero-art { min-height: 300px; }
  .eyebrow { font-size: 9px; }
}