:root {
  color-scheme: light;
  --ink: #17312a;
  --muted: #53665a;
  --paper: #fdfcf7;
  --tint: #edf1e6;
  --forest: #102e25;
  --forest-mid: #194035;
  --line: #ced9ce;
  --lime: #dbfb8e;
  --soft-lime: #eef7d9;
  --on-dark: #f6fcf1;
  --on-dark-muted: #c4d9cb;
  --space: clamp(64px, 8.3vw, 108px);
  --radius: 20px;
  --focus: #ad5a15;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-size: 17px; line-height: 1.72; }
h1, h2, h3, h4, p, ol, dl, dd, figure { margin: 0; }
h1, h2, h3, h4 { line-height: 1.22; text-wrap: balance; }
h2 { font-size: clamp(32px, 4.25vw, 55px); font-weight: 800; letter-spacing: -.055em; }
h3 { font-size: clamp(19px, 2.3vw, 26px); font-weight: 800; letter-spacing: -.035em; }
h4 { font-size: clamp(19px, 2.05vw, 25px); font-weight: 800; letter-spacing: -.028em; }
a { color: inherit; text-underline-offset: .25em; }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; }
button:focus-visible, input:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
img { display: block; width: 100%; height: auto; }
.wrap { width: min(1180px, calc(100% - 80px)); margin-inline: auto; }
.visually-hidden, .skip:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip:focus { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 8px 14px; background: white; }
.masthead { position: sticky; top: 0; z-index: 10; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; line-height: 1.25; white-space: nowrap; }
.brand-mark { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 13px; background: var(--forest); color: var(--lime); }
.brand-label { display: block; font-size: 11px; letter-spacing: .12em; font-weight: 650; }
.brand b { font-size: 20px; letter-spacing: -.035em; }
.top-nav { display: flex; align-items: center; gap: clamp(12px, 1.65vw, 24px); }
.top-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; font-weight: 730; text-decoration: none; }
.top-nav a:hover, .quiet-link:hover { text-decoration: underline; }
.header-cta { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid #99ad9f; border-radius: 9px; text-decoration: none; white-space: nowrap; font-size: 14px; font-weight: 750; }
.header-cta:hover { background: var(--tint); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 17px; width: fit-content; min-height: 53px; padding: 10px 19px; border-radius: 9px; font-size: 16px; font-weight: 800; text-decoration: none; line-height: 1.32; }
.lime { background: var(--lime); color: var(--forest); }
.lime:hover { background: #edffc0; }
.quiet-link { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; font-size: 15px; font-weight: 730; }
.on-dark { color: var(--on-dark); }
.eyebrow { font-size: 13px; font-weight: 800; letter-spacing: .09em; }
.hero { color: var(--on-dark); background: radial-gradient(ellipse at 90% 0%, #265944 0%, var(--forest) 57%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.025fr; gap: clamp(34px, 5.6vw, 76px); align-items: center; padding-block: clamp(56px, 6.3vw, 89px); }
@media (min-width: 831px) and (max-height: 800px) {
  .hero-grid { padding-block: clamp(39px, 6vh, 56px); }
}
.hero-copy, .hero-grid > *, .intro-columns > *, .case-pair > * { min-width: 0; }
.hero-eyebrow { display: flex; align-items: center; gap: 11px; margin-bottom: 17px; color: var(--lime); }
.hero-eyebrow span { width: 24px; height: 1px; background: var(--lime); }
h1 { font-size: clamp(37px, 5.15vw, 67px); font-weight: 850; letter-spacing: -.057em; line-height: 1.1; }
h1 span { display: block; }
h1 em { color: var(--lime); font-style: normal; }
.hero-hook { margin-top: 24px; font-size: clamp(20px, 2.52vw, 31px); font-weight: 760; line-height: 1.36; letter-spacing: -.025em; }
.hero-body { max-width: 460px; margin-top: 13px; color: var(--on-dark-muted); }
.hero-case-proof { max-width: 470px; margin-top: 16px; color: var(--on-dark-muted); font-size: 14px; }
.hero-case-proof b { color: var(--on-dark); margin-right: .4em; }
.actions { display: flex; align-items: center; flex-wrap: wrap; column-gap: 20px; row-gap: 5px; margin-top: 24px; }
.calc { align-self: center; color: var(--ink); background: var(--paper); padding: clamp(20px, 3.05vw, 35px); border-radius: var(--radius); box-shadow: 0 25px 65px #071e1668; }
.calc-top, .case-top, .result-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.calc-top > span:last-child, .case-top > span { color: var(--muted); font-size: 13px; font-weight: 650; }
.pill { display: inline-flex; width: fit-content; gap: 7px; align-items: center; color: #24533b; background: #e5eddb; border-radius: 99px; padding: 4px 10px; font-size: 12px; font-weight: 800; line-height: 1.45; white-space: nowrap; }
.dot { display: inline-block; width: 7px; height: 7px; flex: none; background: #507f43; border-radius: 50%; vertical-align: middle; }
.calc h2 { font-size: clamp(27px, 3vw, 38px); margin-top: 13px; letter-spacing: -.048em; }
.calc-assumptions { display: flex; gap: 4px 14px; flex-wrap: wrap; padding-block: 12px 13px; font-size: 13px; color: var(--muted); }
.calc-assumptions b { color: var(--ink); }
.calc-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.calc-option { display: flex; flex-direction: column; gap: 5px; padding: 12px clamp(10px, 1.5vw, 16px); border: 1px solid var(--line); border-radius: 12px; background: #f4f5ee; }
.calc-option-changed { background: var(--soft-lime); border-color: #a6bf81; }
.calc-label, .calc-cost, .calc-balance { font-size: 13px; line-height: 1.42; }
.calc-label { font-weight: 750; color: var(--muted); }
.calc-orders { display: flex; align-items: baseline; gap: 5px; font-size: 13px; line-height: 1.02; }
.calc-orders b { font-size: clamp(33px, 3.6vw, 49px); letter-spacing: -.08em; }
.calc-cost b, .calc-balance b { white-space: nowrap; }
.calc-balance { padding-top: 3px; border-top: 1px solid #c8d5c1; }
.gain { color: #1b633d; }
.loss { color: #954034; }
.bar { height: 5px; background: #d9e2d2; border-radius: 9px; margin-block: 4px 3px; }
.bar span { display: block; width: var(--fill); height: 100%; background: #70867b; border-radius: inherit; }
.calc-option-changed .bar span { background: #34704d; }
.calc-controls { margin-top: 12px; }
.calc-control-head, .range-labels { display: flex; justify-content: space-between; gap: 5px; }
.calc-control-head { font-size: 14px; font-weight: 750; }
.calc-control-head output { font-weight: 760; font-variant-numeric: tabular-nums; }
.calc-controls input { display: block; width: 100%; min-height: 27px; margin: 1px 0 0; accent-color: #286342; cursor: ew-resize; }
.range-labels { font-size: 12px; color: var(--muted); line-height: 1.2; }
.calc-note { margin-top: 13px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); line-height: 1.6; }
.calc-note b { color: var(--ink); }
.section { padding-block: var(--space); }
.light { background: var(--paper); }
.tint { background: var(--tint); }
.forest { background: var(--forest); color: var(--on-dark); }
.section-index { display: inline-flex; align-items: center; gap: 10px; color: #386451; margin-bottom: 14px; }
.section-index > span { display: inline-grid; place-items: center; min-width: 29px; height: 24px; border: 1px solid #a5b9a8; border-radius: 5px; font-size: 11px; letter-spacing: .04em; }
.forest .section-index { color: var(--lime); }
.forest .section-index > span { border-color: #66866d; }
.intro-columns { display: grid; grid-template-columns: 1.12fr .88fr; align-items: end; gap: clamp(20px, 5vw, 72px); }
.intro-columns > p, .faq-layout > div > p:not(.eyebrow), .delivery-lead { max-width: 510px; font-size: 18px; color: var(--muted); line-height: 1.78; }
.forest .intro-columns > p { color: var(--on-dark-muted); }
.customer-path { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 32px; list-style: none; padding: 0; }
.customer-path li { position: relative; min-height: 175px; padding: 19px 17px 16px; border: 1px solid var(--line); border-radius: 13px; background: #f5f7ee; }
.customer-path li:last-child { background: var(--soft-lime); border-color: #b1c89b; }
.customer-path li:not(:last-child)::after { content: "→"; position: absolute; z-index: 1; right: -20px; top: 27px; width: 26px; height: 26px; display: grid; place-items: center; color: #34604b; background: var(--paper); border: 1px solid var(--line); border-radius: 50%; font-size: 15px; font-weight: 750; line-height: 1; }
.path-no { font-weight: 800; letter-spacing: .06em; color: #386451; font-size: 13px; }
.customer-path h3 { margin: 8px 0 6px; font-size: clamp(19px, 2.15vw, 26px); }
.customer-path p, .team-role p:last-child { color: var(--muted); font-size: 15px; line-height: 1.63; }
.lesson-line { margin-top: 23px; padding: 15px 20px; border-left: 3px solid #567c50; background: #f0f3e8; border-radius: 0 7px 7px 0; }
.lesson-line p { max-width: 980px; font-size: 16px; }
.team-layout { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 33px; }
.team-role { padding-top: 15px; border-top: 2px solid #8ba58e; }
.role-label { margin-bottom: 9px; color: #39604b; font-size: 13px; font-weight: 800; letter-spacing: .07em; }
.team-role h3 { min-height: 2.5em; margin-bottom: 5px; }
.team-takeaway { margin-top: 28px; padding: 16px 20px; border: 1px solid #bdd0bc; border-radius: 9px; background: #f7f9ef; font-size: 16px; }
.build-layout { display: grid; grid-template-columns: .97fr 1.03fr; align-items: center; gap: clamp(23px, 4.8vw, 59px); margin-top: 34px; }
.build-steps { padding: 0; list-style: none; }
.build-steps li { display: grid; grid-template-columns: auto 1fr; gap: 16px; padding-block: 16px; border-top: 1px solid #456957; }
.build-steps li:last-child { border-bottom: 1px solid #456957; }
.build-steps li > span { width: 34px; height: 34px; display: grid; place-items: center; font-size: 13px; font-weight: 800; color: var(--lime); background: #214c3a; border: 1px solid #577c66; border-radius: 7px; }
.build-steps p { color: var(--on-dark-muted); font-size: 15px; line-height: 1.68; margin-top: 6px; }
.proof-card { overflow: hidden; border: 1px solid var(--line); border-radius: 13px; color: var(--ink); background: var(--paper); }
.proof-top { display: flex; align-items: center; gap: 8px; min-height: 42px; padding: 6px 14px; border-bottom: 1px solid var(--line); background: #edf1e9; color: #335947; font-size: 12px; font-weight: 800; letter-spacing: .035em; }
.image-zoom { display: block; position: relative; width: 100%; border: 0; padding: 0; text-align: start; background: #f2f4ed; color: var(--ink); }
.image-zoom:focus-visible { outline-offset: -4px; }
.image-zoom > span { position: absolute; bottom: 8px; right: 8px; padding: 5px 9px; border-radius: 7px; background: var(--forest); color: white; font-size: 12px; font-weight: 750; }
.image-zoom:hover > span { color: var(--lime); }
.proof-card figcaption { display: grid; gap: 3px; padding: 12px 15px; border-top: 1px solid var(--line); }
.proof-card figcaption > b { font-size: 16px; }
.proof-card figcaption > span { color: var(--muted); font-size: 14px; line-height: 1.55; }
.case-scenario { max-width: 760px; margin-top: 26px; }
.case-scenario .eyebrow { color: #406453; margin-bottom: 7px; }
.case-brief { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-block: 25px 15px; }
.case-brief p { display: grid; padding: 11px 14px; border-left: 2px solid #93b388; background: #eef3e7; border-radius: 0 7px 7px 0; font-size: 15px; }
.case-brief span { color: var(--muted); font-size: 12px; }
.case-frame { overflow: hidden; border: 1px solid var(--line); background: white; border-radius: 17px; box-shadow: 0 11px 40px #25372c0b; }
.case-top { min-height: 49px; padding: 7px clamp(14px, 2.6vw, 27px); border-bottom: 1px solid var(--line); color: var(--ink); font-size: 14px; }
.case-top .dot { margin-right: 5px; }
.case-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; padding: 9px; background: #e9eee2; border-bottom: 1px solid var(--line); }
.case-tabs button { min-height: 50px; padding: 8px 7px; text-align: center; background: transparent; border: 1px solid transparent; border-radius: 8px; font-size: 14px; font-weight: 750; line-height: 1.22; }
.case-tabs button > span { margin-right: 4px; color: #456754; font-size: 11px; font-weight: 850; }
.case-tabs button[aria-selected="true"] { background: var(--forest); color: white; }
.case-tabs button[aria-selected="true"] > span { color: var(--lime); }
.case-tabs button:hover:not([aria-selected="true"]) { border-color: #8ba58e; background: #f7faf1; }
.case-panel { padding: clamp(18px, 3.4vw, 40px); }
.case-panel:focus-visible { outline-offset: -5px; }
.case-panel + .case-panel { border-top: 1px solid var(--line); }
.case-panel-heading .eyebrow { color: #386451; margin-bottom: 7px; }
.case-panel-heading h3 { font-size: clamp(24px, 3.25vw, 41px); text-wrap: pretty; }
.case-panel-heading p:not(.eyebrow) { margin-top: 8px; max-width: 900px; color: var(--muted); }
.case-pair { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 12px; margin-top: 18px; }
.case-front-screens { align-items: stretch; }
.case-front-screens .image-zoom img { aspect-ratio: 16 / 10; height: auto; object-fit: contain; background: #fcf8f2; }
.ad-example, .screen-card, .message-card { border-radius: 12px; padding: clamp(17px, 2.6vw, 27px); }
.ad-example { background: #203e31; color: var(--on-dark); }
.ad-example > p:not(.ad-headline) { color: var(--on-dark-muted); }
.ad-example .eyebrow, .message-card .eyebrow { color: var(--lime); }
.ad-headline { margin-block: 9px 10px; font-size: clamp(25px, 3.2vw, 42px); letter-spacing: -.04em; font-weight: 820; line-height: 1.19; }
.sample-cta { display: inline-block; margin-top: 13px; border-radius: 6px; color: var(--forest); background: var(--lime); padding: 7px 11px; font-size: 13px; font-weight: 760; }
.sample-button { border: 0; min-height: 44px; }
.sample-button:hover { background: #edffc0; }
.sample-cta.subtle { background: #dfeede; }
.screen-card { border: 1px solid var(--line); background: #f6f8f0; }
.owner-card { background: #eef4ea; }
.screen-card .eyebrow { color: #39634d; }
.screen-card h4, .message-card h4 { margin: 8px 0 11px; }
.screen-card > p:not(.progress-time) { color: var(--muted); font-size: 15px; }
.simple-record > div { display: grid; grid-template-columns: 5.1em 1fr; gap: 6px 10px; padding-block: 7px; border-top: 1px solid #ccdaca; font-size: 14px; }
.simple-record dt { color: var(--muted); }
.simple-record dd { font-weight: 650; }
.talk-shot { overflow: hidden; margin-top: 13px; border: 1px solid var(--line); border-radius: 6px; }
.case-next { min-height: 44px; margin-top: 15px; padding: 7px 0; display: inline-flex; align-items: center; gap: 8px; border: 0; background: transparent; color: #245842; text-decoration: underline; text-underline-offset: .28em; font-size: 15px; font-weight: 800; text-align: start; }
.case-next:hover { color: #143226; }
.scenario-switch { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 17px; }
.scenario-switch button { padding: 7px 11px; min-height: 44px; border: 1px solid #9cb3a2; border-radius: 8px; background: #f9fbf5; font-size: 14px; font-weight: 750; }
.scenario-switch button[aria-pressed="true"] { background: #23553e; color: white; border-color: #23553e; }
.scenario-switch button:hover:not([aria-pressed="true"]) { background: #e4eee0; }
.scenario { align-items: stretch; }
.progress-time { font-variant-numeric: tabular-nums; font-size: 14px; }
.progress-time b { font-size: 32px; letter-spacing: -.04em; }
progress { display: block; width: 100%; height: 10px; accent-color: #457e4a; }
.status-label { margin-top: 8px; }
.message-card { background: #204836; color: var(--on-dark); }
.message-card p { color: var(--on-dark-muted); font-size: 15px; }
.message-channel { margin-top: 10px; padding-top: 10px; border-top: 1px solid #517763; }
.message-channel > span { display: block; margin-bottom: 3px; color: var(--lime); font-size: 12px; font-weight: 800; }
.case-feedback { margin-top: 16px; padding: 14px 17px; border-left: 3px solid #59825e; border-radius: 7px; background: #edf4e9; }
.case-feedback p { margin-top: 4px; color: var(--muted); }
.case-note, .caption-line { margin-top: 11px; color: var(--muted); font-size: 13px; line-height: 1.58; }
.result-board { margin-top: 19px; padding: clamp(15px, 2.6vw, 26px); background: #edf4e9; border: 1px solid #bacdbd; border-radius: 12px; }
.result-heading { font-size: 15px; }
.result-path { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; list-style: none; padding: 0; margin: 12px 0; }
.result-path li { display: grid; min-width: 0; padding: 8px; text-align: center; border: 1px solid #c6d9c2; border-radius: 8px; background: #fbfdf7; }
.result-path li:last-child { background: #d9edce; }
.result-path span { font-size: 13px; color: #3b5c49; }
.result-path b { font-size: clamp(22px, 3vw, 39px); line-height: 1.18; letter-spacing: -.04em; }
.ad-source-table { width: 100%; margin: 15px 0; border-collapse: collapse; font-size: 14px; }
.ad-source-table caption { padding-bottom: 5px; text-align: start; font-weight: 750; }
.ad-source-table th, .ad-source-table td { padding: 4px 7px; border-bottom: 1px solid #c5d5c6; text-align: end; }
.ad-source-table th:first-child { text-align: start; }
.ad-source-table thead th { color: var(--muted); font-size: 13px; }
.result-board > p { color: var(--muted); font-size: 15px; }
.result-board > p > b { color: var(--ink); }
.delivery-layout, .faq-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 68px); align-items: start; }
.delivery-lead, .faq-layout > div > p:not(.eyebrow) { margin-top: 14px; }
.delivery-list > div { padding-block: 15px; border-top: 1px solid #a9c0ac; }
.delivery-list > div:last-child { border-bottom: 1px solid #a9c0ac; }
.delivery-list dt { display: grid; grid-template-columns: 27px 1fr; gap: 7px; font-size: clamp(17px, 2.05vw, 22px); font-weight: 800; line-height: 1.28; }
.delivery-list dt span { color: #3d694d; font-size: 12px; padding-top: 4px; }
.delivery-list dd { margin-top: 6px; padding-left: 34px; color: var(--muted); font-size: 15px; }
.founder { display: flex; align-items: center; gap: 14px; margin-top: 20px; }
.founder img { width: 69px; height: 69px; flex: 0 0 69px; object-fit: cover; object-position: 50% 18%; border-radius: 50%; border: 2px solid white; }
.founder p { margin-top: 2px; color: var(--muted); font-size: 14px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 14px 29px 14px 0; font-size: 17px; font-weight: 760; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 3px; top: 13px; color: #416a50; font-size: 21px; line-height: 1.3; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 18px 13px 0; color: var(--muted); font-size: 15px; }
.final-section { background: radial-gradient(ellipse at 94% 0%, #26553e 0%, var(--forest) 65%); }
.final-inner { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; align-items: center; }
.final-inner .eyebrow { color: var(--lime); margin-bottom: 12px; }
.final-inner p:not(.eyebrow) { max-width: 650px; margin-top: 12px; color: var(--on-dark-muted); }
.final-actions { display: flex; align-items: flex-start; justify-content: center; flex-direction: column; gap: 5px; justify-self: end; }
.site-footer { background: #0a231b; color: #c5dacc; font-size: 13px; }
.footer-inner { min-height: 69px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 14px; align-items: center; }
.footer-inner a { display: inline-flex; gap: 5px; align-items: center; min-height: 44px; }
dialog { width: min(1000px, calc(100% - 24px)); max-height: 94dvh; overflow: auto; padding: 0; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); background: var(--paper); }
dialog::backdrop { background: #0b241cbd; }
.dialog-head { position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 8px 13px; background: var(--paper); border-bottom: 1px solid var(--line); }
.dialog-head h2 { font-size: 17px; text-wrap: pretty; letter-spacing: -.018em; }
.dialog-head button { min-height: 44px; padding: 5px 12px; border: 1px solid #9cb3a2; border-radius: 8px; background: #edf3e8; font-size: 14px; font-weight: 750; white-space: nowrap; }
#enlarged-image { width: 100%; max-height: calc(94dvh - 65px); object-fit: contain; }

@media (max-width: 1010px) {
  .wrap { width: calc(100% - 52px); }
  .hero-grid { gap: 23px; }
  .team-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px 23px; }
  .team-role h3 { min-height: 0; }
}
@media (max-width: 830px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .hero-copy { max-width: 620px; }
  .calc { max-width: 610px; }
  .intro-columns { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .intro-columns > p, .delivery-lead, .faq-layout > div > p:not(.eyebrow) { max-width: 670px; }
  .customer-path { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .customer-path li { min-height: 0; }
  .customer-path li:nth-child(2)::after { display: none; }
  .build-layout, .delivery-layout, .faq-layout { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .build-layout .proof-card { max-width: 610px; }
}
@media (max-width: 645px) {
  html { scroll-padding-top: 80px; }
  .wrap { width: calc(100% - 32px); }
  body { font-size: 16px; }
  .header-inner { min-height: 65px; gap: 9px; }
  .brand-mark { width: 36px; height: 36px; border-radius: 10px; }
  .brand b { font-size: 17px; }
  .brand-label { font-size: 10px; }
  .brand { gap: 7px; }
  .top-nav { display: none; }
  .header-cta { padding-inline: 8px; min-height: 44px; font-size: 12px; gap: 4px; }
  .hero-grid { padding-block: 36px 44px; }
  .hero-eyebrow { margin-bottom: 12px; }
  h1 { font-size: clamp(36px, 10.9vw, 54px); }
  .hero-hook { margin-top: 15px; }
  .hero-body { margin-top: 8px; }
  .actions { margin-top: 15px; column-gap: 14px; }
  .button { min-height: 48px; padding: 8px 12px; gap: 9px; font-size: 14px; }
  .quiet-link { font-size: 14px; }
  .calc { padding: 15px; }
  .calc h2 { margin-top: 10px; }
  .calc-top > span:last-child { font-size: 11px; }
  .calc-assumptions { padding-block: 9px; }
  .calc-option { gap: 4px; }
  .calc-cost, .calc-balance { font-size: 12px; }
  .intro-columns > p, .faq-layout > div > p:not(.eyebrow), .delivery-lead { font-size: 16px; }
  .customer-path { margin-top: 20px; gap: 9px; }
  .customer-path li { padding: 11px; }
  .customer-path li:not(:last-child)::after { right: -14px; top: 18px; width: 21px; height: 21px; font-size: 12px; }
  .customer-path p, .team-role p:last-child { font-size: 14px; }
  .lesson-line { margin-top: 15px; padding: 12px; }
  .lesson-line p, .team-takeaway { font-size: 15px; }
  .team-layout { margin-top: 24px; gap: 14px; }
  .team-role h3 { font-size: 18px; }
  .team-takeaway { margin-top: 17px; padding: 13px; }
  .build-layout { margin-top: 19px; gap: 19px; }
  .build-steps li { gap: 9px; padding-block: 13px; }
  .build-steps p { font-size: 14px; }
  .case-brief { grid-template-columns: minmax(0, 1fr); gap: 5px; margin-block: 16px 12px; }
  .case-brief p { grid-template-columns: 6.35em 1fr; align-items: baseline; gap: 5px; padding: 7px 8px; font-size: 13px; }
  .case-top { font-size: 12px; }
  .case-top > span { font-size: 11px; }
  .case-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; padding: 6px; }
  .case-tabs button { min-height: 44px; padding: 5px 7px; text-align: left; font-size: 13px; }
  .case-pair { grid-template-columns: minmax(0, 1fr); margin-top: 13px; }
  .case-panel { padding: 14px; }
  .case-panel-heading p:not(.eyebrow) { font-size: 15px; }
  .result-path { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .result-heading { font-size: 13px; }
  .result-board > p { font-size: 14px; }
  .final-inner { grid-template-columns: minmax(0, 1fr); }
  .final-actions { justify-self: start; }
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-login { display: inline-flex; align-items: center; min-height: 44px; padding: 6px 3px; color: var(--ink); font-size: 14px; font-weight: 800; text-decoration: none; white-space: nowrap; }
.header-login:hover { text-decoration: underline; }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { display: flex; align-items: center; min-height: 44px; padding: 6px 10px; border: 1px solid #99ad9f; border-radius: 8px; font-size: 14px; font-weight: 750; cursor: pointer; list-style: none; white-space: nowrap; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; z-index: 11; right: 0; top: calc(100% + 6px); min-width: 176px; max-width: calc(100vw - 32px); padding: 5px; background: var(--paper); border: 1px solid var(--line); border-radius: 9px; box-shadow: 0 11px 32px #0a231b1e; }
.mobile-nav nav a { display: flex; align-items: center; min-height: 44px; padding-inline: 9px; border-radius: 5px; color: var(--ink); font-size: 14px; font-weight: 650; text-decoration: none; }
.mobile-nav nav a:hover { background: var(--tint); }
.section-anchor { display: block; height: 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 23px 42px; padding-block: 32px; }
.footer-nav { display: flex; flex-direction: column; align-items: flex-start; }
.footer-nav h2 { margin-bottom: 8px; color: var(--on-dark); font-size: 17px; letter-spacing: 0; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 37px; font-size: 14px; text-decoration: none; }
.footer-nav a:hover, .footer-partners a:hover { color: var(--lime); text-decoration: underline; }
.footer-nav p { margin-bottom: 5px; }
.footer-inner { border-top: 1px solid #34584a; }
.footer-partners { display: flex; flex-wrap: wrap; gap: 0 13px; }
.footer-partners a { text-decoration: none; }
@media (max-width: 830px) {
  .top-nav, .header-cta { display: none; }
  .mobile-nav { display: block; }
}
@media (max-width: 645px) {
  .header-actions { gap: 8px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; }
  .footer-nav a { min-height: 44px; }
}
@media (max-width: 360px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}