:root {
  --ink: #102827;
  --ink-soft: #35514d;
  --deep: #0c2323;
  --paper: #f6f4ed;
  --white: #fffefa;
  --accent: #caff63;
  --mint: #dcece6;
  --line: #d8ded5;
  --display: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.55 var(--display); }
button, a { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin-top: 0; }
[hidden] { display: none !important; }
.wrap { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: 12px; padding: 10px 16px; background: var(--accent); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #a4d53e; outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246, 244, 237, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; gap: 30px; min-height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-weight: 900; line-height: 1; letter-spacing: -.05em; }
.brand-mark { display: grid; place-items: center; position: relative; width: 42px; height: 42px; border-radius: 11px; background: var(--ink); color: var(--white); font-size: 29px; letter-spacing: -.1em; padding-right: 4px; }
.brand-dot { position: absolute; right: 6px; bottom: 2px; color: var(--accent); font-size: 28px; }
.brand-name { font-size: 21px; letter-spacing: -.045em; }
.desktop-nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); margin-left: auto; font-size: 13px; font-weight: 700; }
.desktop-nav a { border-bottom: 1px solid transparent; padding: 9px 0; }
.desktop-nav a:hover { border-color: var(--ink); }
.header-cta { display: inline-flex; align-items: center; gap: 15px; padding: 11px 17px; border: 1px solid var(--ink); border-radius: 4px; white-space: nowrap; font-size: 12px; font-weight: 800; }
.header-cta:hover { background: var(--ink); color: var(--white); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 12px; margin-left: auto; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--ink); }
.mobile-nav { display: none; }

.hero { position: relative; overflow: hidden; background: var(--paper); }
.hero::before { content: ""; position: absolute; width: 38vw; height: 38vw; max-width: 550px; max-height: 550px; right: -8vw; top: -16vw; border-radius: 50%; background: #e9efdc; filter: blur(3px); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr); gap: clamp(40px, 6vw, 100px); align-items: center; padding-block: 105px 122px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: #356349; font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-line { width: 28px; height: 2px; background: #4d8f54; }
.hero h1 { max-width: 750px; margin-bottom: 28px; font-size: clamp(3.2rem, 5.9vw, 6rem); line-height: .99; letter-spacing: -.075em; font-weight: 850; }
.hero h1 em { display: block; margin-top: 10px; color: #246b51; font-style: normal; }
.hero-lead { max-width: 630px; margin-bottom: 30px; color: var(--ink-soft); font-size: clamp(17px, 1.5vw, 20px); line-height: 1.57; }
.hero-actions { display: flex; gap: 15px; flex-wrap: wrap; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; min-height: 53px; padding: 14px 20px; border-radius: 4px; font-size: 14px; font-weight: 800; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: #245e4c; }
.button-text { padding-inline: 12px; border-bottom: 1px solid var(--ink); border-radius: 0; }
.hero-note { margin: 25px 0 0; color: #657873; font-size: 13px; }

.hero-visual { align-self: stretch; min-height: 520px; padding: 26px; border: 1px solid #24413b; border-radius: 12px; background: var(--deep); color: var(--white); box-shadow: 18px 18px 0 #dde8d2; }
.visual-topline { display: flex; align-items: center; gap: 8px; padding-bottom: 17px; border-bottom: 1px solid #39504b; color: #b8cbc3; font-size: 10px; font-weight: 850; letter-spacing: .13em; }
.visual-topline > span:last-child { margin-left: auto; }
.live-indicator { display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.visual-intro { padding: 27px 0 20px; }
.visual-kicker { color: var(--accent); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.visual-intro h2 { max-width: 430px; margin: 9px 0 0; font-size: clamp(24px, 2.3vw, 33px); letter-spacing: -.045em; line-height: 1.2; }
.flow-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.flow-list li { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; align-items: center; gap: 12px; min-height: 63px; padding: 10px 13px; border: 1px solid #33514a; border-radius: 7px; background: #193630; }
.flow-list li.flow-review { border-color: #a2d85e; background: #233d2d; }
.flow-number { color: var(--accent); font-size: 13px; font-weight: 900; }
.flow-list strong, .flow-list small { display: block; }
.flow-list strong { font-size: 13px; }
.flow-list small { color: #b9c9c0; font-size: 12px; }
.flow-state { padding: 5px 6px; border: 1px solid #476059; border-radius: 4px; color: #c7d9cf; font-size: 11px; font-weight: 850; letter-spacing: .07em; }
.flow-review .flow-state { border-color: var(--accent); color: var(--accent); }
.visual-footnote { margin: 17px 0 0; color: #acc2b7; font-size: 11px; }

.principles { background: var(--accent); }
.principles-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-block: 23px; font-size: 13px; font-weight: 850; }
.principles-inner span { display: flex; align-items: center; gap: 12px; }
.principles-inner span::before { content: "↗"; font-size: 19px; }
.section { padding-block: 110px; }
.split-intro { display: grid; grid-template-columns: 1.05fr .8fr; align-items: end; gap: 8vw; }
.section-intro h2, .method h2, .examples h2, .faq h2, .closing h2 { margin: 0; font-size: clamp(2.45rem, 4.6vw, 4.7rem); font-weight: 850; line-height: 1.05; letter-spacing: -.065em; }
.section-intro > p { max-width: 450px; margin: 0 0 5px; color: var(--ink-soft); font-size: 17px; }

.problems { background: var(--white); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 58px; }
.problem-card { min-height: 300px; padding: 27px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.problem-card:nth-child(2) { background: var(--mint); }
.problem-card:nth-child(3) { background: #e9eddb; }
.card-index { color: #436d5e; font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.problem-card h3 { max-width: 280px; margin: 91px 0 12px; font-size: 25px; line-height: 1.15; letter-spacing: -.04em; }
.problem-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.possibilities { background: var(--paper); }
.possibility-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 55px; }
.possibility-grid article { min-height: 260px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.possibility-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 6px; background: var(--mint); font-size: 23px; }
.possibility-grid h3 { margin: 66px 0 11px; font-size: 20px; letter-spacing: -.035em; line-height: 1.17; }
.possibility-grid p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.section-note { margin: 24px 0 0; color: var(--ink-soft); font-size: 13px; }

.method { background: #e2eae3; }
.method-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; }
.method-heading > p:last-child { max-width: 440px; margin-top: 25px; color: var(--ink-soft); font-size: 17px; }
.method-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid #aebeb0; }
.method-steps li { display: grid; grid-template-columns: 50px 1fr; gap: 15px; padding: 25px 0; border-bottom: 1px solid #aebeb0; }
.method-steps li > span { padding-top: 5px; color: #3d7458; font-size: 14px; font-weight: 900; }
.method-steps h3 { margin-bottom: 6px; font-size: 23px; letter-spacing: -.04em; }
.method-steps p { max-width: 520px; margin: 0; color: var(--ink-soft); font-size: 15px; }

.examples { background: var(--deep); color: var(--white); }
.eyebrow-light { color: var(--accent); }
.examples-head { display: grid; grid-template-columns: 1fr .72fr; gap: 8vw; align-items: end; }
.examples-head > p { max-width: 410px; margin: 0 0 4px; color: #c1d1c9; font-size: 17px; }
.example-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 48px; }
.example-tabs button { display: flex; justify-content: space-between; align-items: center; padding: 17px 20px; border: 1px solid #547065; border-radius: 5px; background: transparent; color: #dce7df; text-align: left; font-size: 14px; font-weight: 800; }
.example-tabs button:hover { border-color: var(--accent); }
.example-tabs button[aria-selected="true"] { border-color: var(--accent); background: var(--accent); color: var(--ink); }
.example-panel { margin-top: 12px; border-radius: 8px; background: var(--paper); color: var(--ink); }
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--line); color: #3c6955; font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.panel-badge { padding: 6px 9px; border: 1px solid #aec6a9; border-radius: 4px; }
.panel-body { display: grid; grid-template-columns: .9fr 1.1fr; gap: 6vw; align-items: start; padding: 45px; }
.panel-label, .decision-eyebrow { color: #3f7458; font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.panel-body h3 { max-width: 380px; margin: 18px 0; font-size: clamp(2rem, 3vw, 3.15rem); line-height: 1.08; letter-spacing: -.055em; }
.panel-body > div > p:not(.panel-label) { max-width: 430px; color: var(--ink-soft); font-size: 16px; }
.source-box { display: grid; gap: 5px; max-width: 420px; margin-top: 42px; padding: 16px; border-left: 3px solid #6cad67; background: #e4ecdf; }
.source-box span { color: #3b7555; font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.source-box strong { font-size: 14px; }
.decision-card { padding: 27px; border: 1px solid #b7c8b2; border-radius: 8px; background: var(--white); box-shadow: 8px 8px 0 #dae4d2; }
.decision-card h4 { margin: 10px 0 12px; font-size: 25px; line-height: 1.18; letter-spacing: -.045em; }
.decision-card > p { color: var(--ink-soft); font-size: 15px; }
.decision-card details { padding-top: 15px; border-top: 1px solid var(--line); }
.decision-card summary { cursor: pointer; color: #1d644a; font-size: 14px; font-weight: 850; }
.decision-card details p { margin: 13px 0 0; padding: 15px; border-radius: 4px; background: #e8f1e7; color: var(--ink-soft); font-size: 14px; }
.decision-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 24px; padding-top: 15px; border-top: 1px solid var(--line); color: #527062; font-size: 12px; font-weight: 800; }
.decision-footer span:first-child { color: #8b5d18; }

.faq { background: var(--white); }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 9vw; }
.faq-grid > div:first-child > p:last-child { margin-top: 25px; color: var(--ink-soft); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 45px 22px 0; cursor: pointer; list-style: none; font-size: 17px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 19px; font-size: 24px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 660px; padding-bottom: 22px; color: var(--ink-soft); font-size: 15px; }

.closing { padding-block: 80px; background: #1c4437; color: var(--white); }
.closing-grid { display: grid; grid-template-columns: 1fr auto; gap: 80px; align-items: end; }
.closing h2 { max-width: 790px; }
.closing-grid > div:first-child > p:last-child { max-width: 580px; margin: 22px 0 0; color: #c1d5c8; }
.closing-action { display: grid; gap: 13px; justify-items: start; }
.button-accent { background: var(--accent); color: var(--ink); white-space: nowrap; }
.closing-action p { max-width: 280px; margin: 0; color: #bad0c1; font-size: 12px; }
.site-footer { background: var(--deep); color: var(--white); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 30px; padding-block: 45px; }
.site-footer p { margin: 0; color: #b3c6bd; font-size: 12px; }
.not-found { min-height: 70vh; display: flex; flex-direction: column; align-items: start; justify-content: center; padding-block: 80px; }
.not-found h1 { max-width: 650px; margin-bottom: 15px; font-size: clamp(3rem, 7vw, 5rem); line-height: 1; letter-spacing: -.065em; }
.not-found > p:not(.eyebrow) { color: var(--ink-soft); }
.not-found .button { margin-top: 18px; }

@media (max-width: 1050px) {
  .desktop-nav { gap: 15px; }
  .header-cta { display: none; }
  .hero-grid { gap: 45px; }
  .possibility-grid { grid-template-columns: repeat(2, 1fr); }
  .possibility-grid article { min-height: 220px; }
  .possibility-grid h3 { margin-top: 40px; }
}

@media (max-width: 800px) {
  .wrap { width: min(100% - 40px, 680px); }
  .header-inner { min-height: 70px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav { display: grid; gap: 0; padding: 4px 20px 18px; border-top: 1px solid var(--line); background: var(--paper); }
  .mobile-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 700; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 76px 88px; }
  .hero-visual { min-height: 0; }
  .principles-inner { grid-template-columns: 1fr; gap: 10px; }
  .section { padding-block: 78px; }
  .split-intro, .method-grid, .examples-head, .faq-grid, .closing-grid { grid-template-columns: 1fr; gap: 25px; }
  .problem-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 35px; }
  .problem-card { min-height: 0; }
  .problem-card h3 { margin-top: 45px; }
  .method-steps { margin-top: 20px; }
  .example-tabs { margin-top: 30px; }
  .panel-body { gap: 30px; padding: 30px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner .brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .wrap { width: calc(100% - 32px); }
  .hero-grid { padding-block: 55px 72px; gap: 38px; }
  .hero h1 { font-size: clamp(3rem, 13.2vw, 4.8rem); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .button-text { width: auto; align-self: start; }
  .hero-visual { padding: 17px; box-shadow: 9px 9px 0 #dde8d2; }
  .visual-intro h2 { font-size: 26px; }
  .flow-list li { grid-template-columns: 28px 1fr; }
  .flow-state { grid-column: 2; justify-self: start; }
  .section-intro h2, .method h2, .examples h2, .faq h2, .closing h2 { font-size: clamp(2.45rem, 11vw, 3.6rem); }
  .possibility-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 35px; }
  .possibility-grid article { min-height: 0; }
  .possibility-grid h3 { margin-top: 42px; }
  .example-tabs { grid-template-columns: 1fr; gap: 6px; }
  .example-tabs button { padding: 12px 15px; }
  .panel-header { padding: 13px 16px; font-size: 11px; }
  .panel-body { grid-template-columns: 1fr; padding: 20px 17px 30px; }
  .panel-body h3 { font-size: 32px; }
  .source-box { margin-top: 25px; }
  .decision-card { padding: 20px; box-shadow: 5px 5px 0 #dae4d2; }
  .closing { padding-block: 70px; }
  .closing-action { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 14px; }
}

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