:root {
  color-scheme: light;
  --ink: #12283a;
  --navy: #102338;
  --deep: #0b1c2d;
  --muted: #4b6070;
  --white: #fff;
  --mint: #b9ebd4;
  --teal: #08736a;
  --soft: #eef5f4;
  --line: #d8e3e4;
  --heading: "Aptos Display", "Helvetica Neue", Arial, sans-serif;
  --body: "Aptos", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: #fff; font: 16px/1.65 var(--body); }
a { color: var(--teal); text-underline-offset: .23em; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { font-family: var(--heading); letter-spacing: -.035em; line-height: 1.06; font-weight: 700; }
h1 { font-size: clamp(2.85rem, 4.45vw, 4.9rem); }
h2 { font-size: clamp(2.25rem, 4vw, 3.85rem); }
h3 { font-size: clamp(1.4rem, 2vw, 2rem); }
:focus-visible { outline: 3px solid #15998a; outline-offset: 4px; }
.skip { position: absolute; z-index: 9; top: .5rem; left: .5rem; background: white; padding: .65rem; transform: translateY(-150%); }
.skip:focus { transform: none; }
.wrap { width: min(100% - 112px, 1240px); margin-inline: auto; }
.header { background: #fff; position: relative; z-index: 2; }
.header-inner { min-height: 86px; display: flex; gap: 28px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; flex: none; font: 700 1.07rem/1.08 var(--heading); letter-spacing: -.025em; }
.brand img { flex: none; }
.brand-last { display: block; margin-top: 3px; color: #076a62; }
.nav, .footer-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px clamp(14px, 2.15vw, 34px); }
.nav a, .footer-nav a { color: inherit; font-size: .88rem; font-weight: 620; padding: 7px 0; text-decoration: none; white-space: nowrap; }
.nav a:hover, .footer-nav a:hover, .nav a[aria-current], .footer-nav a[aria-current] { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.menu-toggle { display: none; }
.hero { background: var(--navy); color: #fff; }
.hero-shell { display: grid; grid-template-columns: 49% 51%; min-height: 580px; max-width: 1680px; margin-inline: auto; }
.hero-copy { padding: clamp(62px, 6.2vw, 100px) clamp(29px, 3.5vw, 68px) clamp(62px, 6.2vw, 100px) max(56px, calc((100vw - 1240px) / 2), calc((100% - 800px) / 2)); align-self: center; }
.eyebrow { display: flex; align-items: center; gap: .7rem; color: #076960; font-size: .72rem; font-weight: 760; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 20px; }
.eyebrow span { display: block; width: 21px; height: 2px; background: currentColor; flex: none; }
.eyebrow.on-dark { color: var(--mint); }
.hero-intro { margin-top: 24px; max-width: 465px; color: #d4e1eb; font-size: clamp(1.05rem, 1.4vw, 1.2rem); }
.hero-image, .guide-image, .subhero figure { position: relative; overflow: hidden; background: #203748; }
.hero-image img, .guide-image img, .subhero figure img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.hero-image img { object-position: 54% 50%; }
figcaption { position: absolute; bottom: 14px; right: 14px; background: #0b1c2de8; padding: .35rem .65rem; color: #eef6fa; font-size: .68rem; letter-spacing: .035em; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 25px; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .65rem; padding: .85rem 1.12rem; min-height: 49px; border: 1px solid transparent; border-radius: 4px; color: var(--deep); font-size: .89rem; font-weight: 740; text-decoration: none; line-height: 1.35; }
.button.primary { background: var(--mint); }
.button.primary:hover { background: #d5f6e6; }
.button svg, .quiet svg { flex: none; }
.quiet { display: inline-flex; align-items: center; gap: .45rem; font-size: .9rem; font-weight: 700; }
.quiet.on-dark { color: #fff; }
.audience { background: var(--soft); border-bottom: 1px solid #e0ecea; }
.audience-inner { display: grid; grid-template-columns: .64fr 1.2fr 1.05fr 1.15fr; align-items: center; gap: 14px; padding-block: 21px; }
.audience-inner > span { display: flex; align-items: center; gap: 10px; }
.audience-inner > span:not(.micro) { font-size: .9rem; font-weight: 670; }
.audience svg { color: var(--teal); flex: none; }
.micro { color: #4d6775; font-size: .69rem; line-height: 1.35; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.section { padding-block: clamp(60px, 7.2vw, 108px); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(300px, .62fr); align-items: end; gap: 18px 58px; margin-bottom: 36px; }
.section-heading > p, .guide-intro { color: var(--muted); font-size: 1.04rem; }
.case-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-bottom: none; }
.case-tabs button { display: flex; gap: 12px; align-items: center; text-align: left; background: #fff; border: 0; border-bottom: 1px solid var(--line); padding: 1.12rem 1.35rem; min-height: 65px; color: var(--ink); font-weight: 700; line-height: 1.25; }
.case-tabs button + button { border-left: 1px solid var(--line); }
.case-tabs button:hover { background: #edf7f4; }
.case-tabs button[aria-selected="true"] { border-bottom: 3px solid var(--teal); background: #e5f2ef; color: #075e56; }
.case-tabs button:focus-visible { position: relative; z-index: 1; outline-offset: -4px; }
.case-tabs svg { flex: none; color: var(--teal); }
.case-panel { display: grid; grid-template-columns: 1fr .75fr; gap: 28px 62px; align-items: start; padding: clamp(24px, 3.65vw, 52px); background: #f6f9f9; border: 1px solid var(--line); border-top: 0; min-height: 222px; }
.case-tabs[hidden] ~ .case-panel { border-top: 1px solid var(--line); margin-bottom: 14px; }
.case-panel h3 { margin: .5rem 0 .65rem; }
.case-panel p:not(.micro), .case-panel ul { color: var(--muted); }
.case-side { border-left: 1px solid #c9dbdc; padding-left: clamp(16px, 3vw, 38px); }
.case-side h4 { font-size: .87rem; }
.case-side ul { margin: .5rem 0 0; padding-left: 1.1rem; font-size: .91rem; }
.case-side li + li { margin-top: .24rem; }
.case-side li::marker { color: var(--teal); }
.sizing { color: #fff; background: var(--navy); }
.sizing .section-heading > p, .sizing-disclosure { color: #d0dce7; }
.tool { border: 1px solid #496072; border-radius: 6px; display: grid; grid-template-columns: 1fr .91fr; overflow: hidden; }
.tool-input, .tool-result { padding: clamp(22px, 3.25vw, 44px); min-width: 0; }
.tool-input { background: white; color: var(--ink); }
.tool-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 16px; }
.tool-tag { background: var(--soft); color: #07665e; padding: .22rem .55rem; font-size: .72rem; border-radius: 3px; font-weight: 700; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 17px; }
.presets button { background: #fff; color: #304a59; border: 1px solid #c9dcda; border-radius: 4px; min-height: 38px; padding: .2rem .63rem; font-size: .77rem; font-weight: 650; }
.presets button:hover, .presets button[aria-pressed="true"] { background: #e5f2ef; color: #075e56; border-color: #659b94; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 15px; }
.fields label { font-size: .85rem; font-weight: 700; }
.field { display: flex; position: relative; border: 1px solid #9bb2b8; border-radius: 4px; margin-top: .3rem; }
.field input { color: var(--ink); font-size: 1.15rem; font-weight: 670; border: 0; background: transparent; width: 100%; min-width: 0; padding: .57rem 3.15rem .57rem .65rem; }
.field input::-webkit-inner-spin-button { margin-right: 0; }
.field:focus-within { outline: 2px solid var(--teal); outline-offset: 1px; }
.field input:focus { outline: 0; }
.field span { position: absolute; right: .65rem; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; font-size: .75rem; }
.tool-note { color: var(--muted); margin-top: 11px; font-size: .75rem; }
.tool-result { background: #18354a; }
.tool-result .micro { color: var(--mint); }
.tool-result output { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 .65rem; margin-top: .48rem; line-height: 1.04; }
#hours { font: 700 clamp(2.7rem, 5.5vw, 5rem)/1 var(--heading); letter-spacing: -.07em; overflow-wrap: anywhere; }
#hour-unit { font-weight: 650; font-size: clamp(1rem, 2vw, 1.55rem); }
#equation { margin-top: .65rem; font-size: .89rem; color: #d4e2eb; min-height: 1.5em; }
.duration-track { background: #466171; height: 7px; border-radius: 8px; margin-top: 17px; overflow: hidden; }
.duration-track span { display: block; width: 50%; height: 100%; border-radius: 8px; background: var(--mint); }
.duration-scale { display: flex; justify-content: space-between; margin-top: 8px; font-size: .68rem; color: #c8dce7; }
.sizing-disclosure { max-width: 850px; margin-top: 17px; font-size: .83rem; }
.guide-grid { display: grid; grid-template-columns: 1.04fr .92fr; align-items: stretch; gap: clamp(25px, 6vw, 90px); }
.guide-intro { margin-top: 16px; }
.guide-list { margin: 21px 0 0; padding: 0; list-style: none; }
.guide-list li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; border-top: 1px solid var(--line); padding: 15px 0; }
.guide-list li:last-child { padding-bottom: 0; }
.guide-list li > span { color: var(--teal); font-weight: 750; font-size: .78rem; padding-top: .13rem; font-variant-numeric: tabular-nums; }
.guide-list h3 { font-size: 1.15rem; letter-spacing: -.022em; margin-bottom: .25rem; }
.guide-list p { color: var(--muted); font-size: .92rem; line-height: 1.55; }
.guide-image { min-height: 440px; }
.guide-image img { object-position: 49% center; }
.references { background: var(--soft); }
.reference-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.reference-grid a { background: #fff; border: 1px solid #d6e4e3; border-radius: 4px; text-decoration: none; color: var(--ink); padding: clamp(19px, 2.8vw, 36px); }
.reference-grid a:hover { border-color: var(--teal); }
.reference-grid h3 { display: flex; gap: 9px; align-items: center; justify-content: space-between; margin: .62rem 0; font-size: clamp(1.25rem, 2.1vw, 1.82rem); }
.reference-grid svg { color: var(--teal); flex: none; }
.reference-grid p { font-size: .91rem; color: var(--muted); }
.close { background: #0c5b55; color: white; }
.close-inner { padding-block: clamp(46px, 5.7vw, 83px); display: flex; justify-content: space-between; align-items: center; gap: 24px 45px; }
.close .eyebrow { margin-bottom: 13px; }
.close h2 { font-size: clamp(2.05rem, 3.6vw, 3.35rem); }
.close p:not(.eyebrow) { color: #e0f2ee; margin-top: 11px; }
.close .button { flex: none; }
.footer { background: var(--deep); color: #f2f8fb; padding: 37px 0 20px; }
.footer .brand-last { color: var(--mint); }
.footer-main { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 21px; }
.footer-main p { color: #bdcfdc; font-size: .79rem; margin-top: 9px; }
.footer-nav { padding-top: 5px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #344859; color: #c6d5de; margin-top: 24px; padding-top: 13px; font-size: .77rem; }
.footer-bottom a { color: inherit; padding-block: 5px; }
.subhero { color: #fff; background: var(--navy); }
.subhero-inner { display: grid; grid-template-columns: 1.14fr .86fr; align-items: center; gap: 44px; padding-block: 58px; }
.subhero h1 { max-width: 770px; font-size: clamp(2.8rem, 5.2vw, 4.65rem); }
.subhero p:not(.eyebrow) { margin-top: 18px; font-size: 1.13rem; max-width: 555px; color: #d1e0e9; }
.subhero figure { min-height: 310px; }
.subhero.compact { padding-block: clamp(48px, 7vw, 100px); }
.prose-grid, .contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 29px clamp(26px, 6vw, 90px); }
.prose h3 { margin-bottom: 7px; font-size: 1.37rem; }
.prose p { color: var(--muted); max-width: 660px; margin-bottom: 19px; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: clamp(1.9rem, 3vw, 2.5rem); margin-bottom: 15px; }
.contact-card { background: var(--soft); border: 1px solid var(--line); padding: clamp(22px, 4vw, 50px); border-radius: 5px; }
.contact-card h2 { font-size: clamp(1.85rem, 3.6vw, 3rem); margin: 10px 0; }
.contact-card p:not(.micro) { color: var(--muted); margin-bottom: 18px; }
.contact-icon { display: grid; place-items: center; background: #dcece8; color: var(--teal); width: 45px; height: 45px; border-radius: 5px; margin-bottom: 14px; }
.email-address { display: block; margin-top: 11px; overflow-wrap: anywhere; }
.contact-side { padding-top: clamp(5px, 2vw, 28px); }

@media (min-width: 1681px) {
  .hero-copy { padding-left: 220px; }
}
@media (max-width: 1140px) {
  .hero-break { display: none; }
  .hero-shell { min-height: 540px; }
  .wrap { width: min(100% - 80px, 1240px); }
  .hero-copy { padding-left: 40px; }
}
@media (max-width: 870px) {
  .wrap { width: calc(100% - 52px); }
  .header-inner { min-height: 72px; flex-wrap: wrap; gap: 0 15px; }
  .header .brand { margin: 12px 0; }
  .brand img { width: 39px; height: 39px; }
  .js .menu-toggle { display: flex; align-items: center; gap: 7px; padding: 8px 0 8px 9px; min-height: 44px; border: 0; background: #fff; color: var(--ink); font-weight: 680; font-size: .91rem; }
  .nav { width: 100%; padding-bottom: 12px; gap: 4px 18px; }
  .js .nav { display: none; }
  .js .nav[data-open] { display: grid; border-top: 1px solid var(--line); padding: 6px 0 12px; }
  .js .nav a { display: flex; align-items: center; min-height: 44px; }
  .hero-shell { min-height: 480px; }
  .hero-copy { padding: 54px 20px 54px 26px; }
  .section-heading { gap: 18px 30px; }
  .audience-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 650px) {
  .wrap { width: calc(100% - 36px); }
  .hero-shell, .section-heading, .case-panel, .tool, .guide-grid, .reference-grid, .subhero-inner, .prose-grid, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-shell { min-height: 0; }
  .hero-copy { padding: 44px 18px 39px; }
  .hero-image { min-height: clamp(225px, 64vw, 360px); }
  .hero-image img { object-position: center 54%; }
  .hero-intro { margin-top: 17px; }
  .actions { margin-top: 22px; }
  .eyebrow { margin-bottom: 12px; }
  .audience-inner { grid-template-columns: 1fr; padding-block: 16px; gap: 7px; }
  .section { padding-block: 51px; }
  .section-heading { gap: 11px; margin-bottom: 23px; }
  .case-tabs button { padding: .62rem .45rem; min-height: 69px; font-size: .73rem; text-align: center; flex-direction: column; gap: 3px; justify-content: center; }
  .case-tabs svg { width: 18px; height: 18px; }
  .case-panel { gap: 17px; padding: 22px 17px; }
  .case-side { border-left: 0; border-top: 1px solid #c9dbdc; padding: 14px 0 0; }
  .tool-input, .tool-result { padding: 19px; }
  .guide-grid { gap: 22px; }
  .guide-image { min-height: 310px; }
  .close-inner { flex-direction: column; align-items: flex-start; }
  .footer-main { gap: 14px; }
  .footer-nav { gap: 1px 17px; }
  .subhero-inner { gap: 20px; padding-block: 40px; }
  .subhero figure { min-height: 235px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .duration-track span { transition: width .16s ease; }
}