:root {
  --ink: #11231c;
  --ink-soft: #44554e;
  --forest: #173e32;
  --forest-deep: #102d25;
  --mint: #c7f36a;
  --mint-soft: #e8f8c7;
  --cream: #f4f0e7;
  --paper: #fffdf7;
  --line: #d9d8ce;
  --coral: #ff7d61;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 35, 28, 0.15);
  --radius-lg: 30px;
  --radius-md: 20px;
  --shell: min(1160px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 12px; padding: 10px 16px; background: var(--mint); color: var(--ink); border-radius: 8px; transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }

.site-header { position: sticky; z-index: 30; top: 0; background: color-mix(in srgb, var(--cream) 88%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-color: rgba(17,35,28,.1); box-shadow: 0 4px 24px rgba(17,35,28,.05); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: "Manrope", sans-serif; font-size: 18px; font-weight: 800; letter-spacing: -.03em; }
.brand-mark { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 9px 9px 9px 2px; background: var(--forest); transform: rotate(-4deg); }
.brand-mark span { width: 10px; height: 15px; border: 2px solid var(--mint); border-top: 0; border-radius: 0 0 6px 6px; transform: rotate(4deg); }
nav { display: flex; gap: 30px; margin-left: auto; }
nav a { color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: 14px; }
nav a:hover { color: var(--ink); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 54px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--forest); color: var(--white); box-shadow: 0 12px 28px rgba(23,62,50,.22); }
.button-primary:hover { background: var(--forest-deep); }
.button-small { min-height: 42px; padding-inline: 19px; font-size: 14px; }
.button-ghost { border: 1px solid rgba(17,35,28,.3); }
.button-ghost:hover { background: var(--paper); }
.text-link { font-weight: 700; text-underline-offset: 5px; }

.hero { position: relative; overflow: hidden; padding: 76px 0 30px; }
.hero::before { content: ""; position: absolute; width: 460px; height: 460px; left: -240px; top: 170px; border-radius: 50%; background: rgba(199,243,106,.28); filter: blur(3px); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 78px; align-items: center; }
.eyebrow, .section-kicker { margin: 0 0 20px; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--forest); }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 5px rgba(255,125,97,.15); }
h1, h2, h3 { font-family: "Manrope", sans-serif; margin-top: 0; letter-spacing: -.055em; line-height: 1.05; }
h1 { margin-bottom: 0; max-width: 680px; font-size: clamp(3.4rem, 6vw, 5.9rem); font-weight: 800; }
.hero-accent { margin: 0; color: var(--forest); font-family: "Manrope", sans-serif; font-size: clamp(2rem, 4.5vw, 4.2rem); font-weight: 600; letter-spacing: -.06em; line-height: 1.08; }
.hero-lede { max-width: 590px; margin: 28px 0 30px; color: var(--ink-soft); font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 0; margin-top: 56px; border-top: 1px solid rgba(17,35,28,.14); }
.hero-meta div { padding: 18px 25px 0 0; margin-right: 25px; border-right: 1px solid rgba(17,35,28,.14); }
.hero-meta div:last-child { border: 0; margin: 0; }
.hero-meta strong, .hero-meta span { display: block; }
.hero-meta strong { font-family: "Manrope", sans-serif; font-size: 14px; }
.hero-meta span { color: var(--ink-soft); font-size: 12px; }

.product-preview { position: relative; min-height: 580px; display: grid; place-items: center; }
.preview-orbit { position: absolute; border: 1px solid rgba(23,62,50,.15); border-radius: 50%; }
.orbit-one { width: 520px; height: 520px; }
.orbit-two { width: 390px; height: 390px; border-style: dashed; animation: spin 36s linear infinite; }
.app-card { position: relative; z-index: 2; width: min(440px, 92%); padding: 26px; background: rgba(255,253,247,.96); border: 1px solid rgba(17,35,28,.12); border-radius: var(--radius-lg); box-shadow: var(--shadow); transform: rotate(1.5deg); }
.app-topbar, .score-row, .priority-heading, .preview-action, .proof-head, .why-row { display: flex; justify-content: space-between; align-items: center; }
.app-topbar { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.app-topbar strong { display: block; font-size: 14px; }
.mini-label { display: block; margin-bottom: 4px; color: #64726c; text-transform: uppercase; letter-spacing: .09em; font-size: 9px; font-weight: 800; }
.avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--mint); font-weight: 800; }
.score-row { padding: 22px 0; }
.score { display: block; font-family: "Manrope", sans-serif; font-size: 32px; font-weight: 800; letter-spacing: -.05em; }
.confidence { padding: 7px 10px; background: #edf4e9; border-radius: 999px; color: var(--forest); font-size: 10px; font-weight: 700; }
.confidence i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #4d9565; }
.priority-card { padding: 22px; background: var(--forest); color: var(--white); border-radius: 20px; }
.priority-heading { justify-content: flex-start; gap: 13px; }
.priority-icon { display: grid; place-items: center; flex: 0 0 38px; height: 38px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: var(--mint); font-weight: 800; font-size: 11px; }
.priority-card .mini-label { color: #a9bbb3; }
.priority-card h2 { margin: 0; font-size: 21px; letter-spacing: -.04em; }
.criterion { margin: 18px 0 9px; color: var(--mint); font-size: 11px; font-weight: 700; }
.priority-card blockquote { margin: 0; padding-left: 15px; border-left: 2px solid var(--coral); color: #e4ece8; font-size: 13px; line-height: 1.55; }
.preview-action { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.13); font-size: 12px; font-weight: 700; }
.preview-note { margin: 13px 0 0; text-align: center; color: #64726c; font-size: 9px; }
.hero-rule { position: relative; margin-top: 54px; border-top: 1px solid rgba(17,35,28,.14); }
.hero-rule span { position: absolute; left: 50%; top: -3px; width: 80px; height: 5px; border-radius: 99px; background: var(--mint); transform: translateX(-50%); }

.problem-section { padding: 105px 0 120px; }
.narrow-center { max-width: 820px; text-align: center; }
.section-kicker { color: var(--forest); }
.section-kicker.light { color: var(--mint); }
.narrow-center h2, .section-heading h2, .evidence-copy h2, .proof-copy h2, .faq-grid h2, .final-cta h2 { margin-bottom: 22px; font-size: clamp(2.35rem, 5vw, 4.5rem); }
.narrow-center > p:last-child, .split-heading > p, .evidence-copy > p, .proof-copy > p { color: var(--ink-soft); font-size: 18px; }
.contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 58px; }
.contrast-card { padding: 38px; border-radius: var(--radius-md); }
.muted-card { border: 1px solid var(--line); background: rgba(255,253,247,.55); }
.focus-card { background: var(--mint-soft); border: 1px solid #d4eba5; }
.card-index { display: inline-block; margin-bottom: 40px; padding: 7px 11px; border: 1px solid rgba(17,35,28,.18); border-radius: 999px; text-transform: uppercase; letter-spacing: .09em; font-size: 10px; font-weight: 800; }
.contrast-card h3 { max-width: 430px; font-size: 30px; }
.contrast-card ul, .check-list { list-style: none; margin: 28px 0 0; padding: 0; }
.contrast-card li { display: flex; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(17,35,28,.1); color: var(--ink-soft); }
.contrast-card li span { color: var(--forest); font-weight: 800; }
.muted-card li span { color: #a68780; }

.method-section { padding: 110px 0 130px; color: var(--white); background: var(--forest-deep); }
.split-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: end; }
.split-heading h2 { margin: 0; max-width: 680px; }
.split-heading > p { color: #b7c7c0; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 60px; }
.step-card { position: relative; min-height: 480px; padding: 28px; overflow: hidden; background: #183b31; border: 1px solid rgba(255,255,255,.1); border-radius: 22px; }
.feature-step { background: #214a3e; transform: translateY(-13px); }
.step-number { color: #718d83; font-family: "Manrope", sans-serif; font-size: 12px; font-weight: 800; }
.step-visual { position: relative; height: 205px; margin: 22px 0 32px; border-radius: 16px; background: #102d25; }
.paper-line { position: absolute; left: 18%; height: 7px; border-radius: 99px; background: #6c887e; }
.line-one { top: 35%; width: 64%; }.line-two { top: 49%; width: 52%; }.line-three { top: 63%; width: 58%; }
.evidence-tag { position: absolute; right: 12%; top: 43%; padding: 6px 9px; background: var(--coral); color: var(--ink); border-radius: 6px; font-size: 9px; font-weight: 800; transform: rotate(-4deg); }
.target { position: absolute; width: 104px; height: 104px; left: 50%; top: 50%; border: 2px solid #7a9a8e; border-radius: 50%; transform: translate(-50%,-50%); box-shadow: inset 0 0 0 25px #16392f, inset 0 0 0 27px #7a9a8e; }
.target span { position: absolute; inset: 38px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 28px rgba(199,243,106,.48); }
.spark { position: absolute; color: var(--coral); }.spark-one { left: 24%; top: 27%; }.spark-two { right: 24%; bottom: 25%; font-size: 11px; }
.mini-chart { position: absolute; inset: 34px; display: flex; align-items: flex-end; gap: 10px; padding: 15px; border-left: 1px solid #58756b; border-bottom: 1px solid #58756b; }
.mini-chart span { flex: 1; background: #66877b; border-radius: 5px 5px 0 0; }.mini-chart span:nth-child(1){height:32%}.mini-chart span:nth-child(2){height:45%}.mini-chart span:nth-child(3){height:61%;background:#8bad77}.mini-chart span:nth-child(4){height:82%;background:var(--mint)}
.verified-pill { position: absolute; right: 13%; top: 18%; padding: 6px 10px; border-radius: 999px; background: var(--paper); color: var(--forest); font-size: 9px; font-weight: 800; }
.step-label { margin: 0 0 9px; color: var(--mint); text-transform: uppercase; letter-spacing: .11em; font-size: 10px; font-weight: 800; }
.step-card h3 { margin-bottom: 13px; font-size: 28px; }
.step-card > p:last-child { margin: 0; color: #b9cac3; font-size: 14px; }

.evidence-section { padding: 130px 0; background: var(--paper); }
.evidence-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.criterion-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 35px; }
.criterion-tabs button { padding: 10px 14px; color: var(--ink-soft); background: transparent; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 12px; font-weight: 700; }
.criterion-tabs button[aria-selected="true"] { color: var(--white); background: var(--forest); border-color: var(--forest); }
.evidence-panel { padding: 36px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 22px 60px rgba(17,35,28,.08); }
.evidence-panel-top { display: flex; justify-content: space-between; align-items: center; }
.demo-label { color: #64726c; text-transform: uppercase; letter-spacing: .1em; font-size: 10px; font-weight: 800; }
.criterion-status { padding: 6px 10px; color: var(--forest); background: var(--mint-soft); border-radius: 999px; font-size: 10px; font-weight: 800; }
.excerpt { margin: 42px 0 10px; font-family: "Manrope", sans-serif; font-size: clamp(1.25rem, 2.4vw, 1.85rem); font-weight: 600; line-height: 1.5; letter-spacing: -.03em; }
mark { color: inherit; background: linear-gradient(transparent 55%, rgba(255,125,97,.38) 55%); }
.annotation-line { width: 70%; height: 28px; border-right: 1px solid var(--coral); border-bottom: 1px solid var(--coral); }
.annotation-line span { display: block; float: right; width: 6px; height: 6px; margin: 24px -3px 0 0; border-radius: 50%; background: var(--coral); }
.annotation-copy { display: flex; gap: 14px; margin: 18px 0 32px; padding: 18px; background: var(--paper); border-radius: 13px; }
.annotation-icon { color: var(--coral); font-weight: 800; }
.annotation-copy strong { font-size: 14px; }.annotation-copy p { margin: 5px 0 0; color: var(--ink-soft); font-size: 13px; }
.why-row { padding-top: 20px; border-top: 1px solid var(--line); gap: 24px; font-size: 12px; }
.why-row span { color: var(--ink-soft); }.why-row strong { text-align: right; }

.proof-section { padding: 120px 0; }
.proof-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: center; }
.proof-card { padding: 32px; background: var(--forest); color: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.proof-head { padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.15); }
.proof-head .mini-label { color: #9bb1a8; }.proof-head strong { display: block; font-size: 18px; }
.verified-mark { display: grid; place-items: center; width: 42px; height: 42px; color: var(--forest); background: var(--mint); border-radius: 50%; font-weight: 900; }
.comparison { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; padding: 30px 0; }
.comparison > div:not(.comparison-arrow) { min-height: 170px; padding: 19px; background: rgba(255,255,255,.07); border-radius: 16px; }
.comparison span { color: #a9bbb3; text-transform: uppercase; letter-spacing: .08em; font-size: 9px; font-weight: 700; }
.comparison strong { display: block; margin: 8px 0; color: var(--mint); font-family: "Manrope", sans-serif; font-size: 27px; }
.comparison p { margin: 0; color: #d1ddd8; font-size: 12px; }
.comparison-arrow { color: var(--mint); font-size: 22px; }
.proof-disclaimer { margin: 0; color: #8fa69d; font-size: 9px; text-align: center; }
.check-list li { display: flex; gap: 11px; margin: 12px 0; color: var(--ink-soft); }.check-list span { color: var(--forest); font-weight: 900; }

.principles-section { padding: 120px 0; background: var(--mint-soft); }
.centered-heading { max-width: 790px; margin: 0 auto; text-align: center; }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-top: 55px; }
.principles-grid article { padding: 28px; background: rgba(255,253,247,.75); border: 1px solid rgba(17,35,28,.1); border-radius: 18px; }
.principles-grid article > span { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 42px; border-radius: 12px; background: var(--forest); color: var(--mint); font-size: 20px; }
.principles-grid h3 { margin-bottom: 12px; font-size: 20px; }.principles-grid p { margin: 0; color: var(--ink-soft); font-size: 13px; }

.faq-section { padding: 120px 0; background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 24px 4px; cursor: pointer; list-style: none; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary span { font-size: 24px; font-weight: 400; transition: transform .2s; }
details[open] summary span { transform: rotate(45deg); }
details p { max-width: 650px; margin: -6px 0 24px; color: var(--ink-soft); }

.final-cta { padding: 88px 0; color: var(--white); background: var(--forest-deep); }
.cta-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; }
.final-cta h2 { max-width: 700px; margin-bottom: 0; }
.cta-action { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.button-light { min-width: 215px; color: var(--ink); background: var(--mint); }
.cta-action > span { color: #94aaa1; font-size: 11px; }
footer { padding: 36px 0; color: #81948c; background: #0b211a; }
.footer-inner { display: grid; grid-template-columns: auto 1fr minmax(280px, 520px); gap: 35px; align-items: center; }
.footer-brand { color: var(--white); }.footer-inner p { margin: 0; font-size: 11px; }.legal { text-align: right; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 920px) {
  :root { --shell: min(100% - 32px, 720px); }
  nav { display: none; }
  .hero { padding-top: 56px; }
  .hero-grid, .evidence-grid, .proof-grid, .faq-grid { grid-template-columns: 1fr; gap: 58px; }
  .product-preview { min-height: 510px; }
  .contrast-grid, .split-heading { grid-template-columns: 1fr; gap: 28px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card { min-height: auto; }.feature-step { transform: none; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }.legal { text-align: left; }
}

@media (max-width: 600px) {
  .site-header .button-ghost { display: none; }
  .nav-wrap { min-height: 68px; }
  .hero { padding-top: 42px; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hero-accent { margin-top: 8px; font-size: 2.25rem; }
  .hero-lede { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-meta { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-meta div { margin-right: 0; padding-right: 12px; }
  .hero-meta div:nth-child(2) { border-right: 0; padding-left: 12px; }
  .hero-meta div:last-child { grid-column: 1 / -1; margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(17,35,28,.14); }
  .product-preview { min-height: 450px; }
  .orbit-one { width: 390px; height: 390px; }.orbit-two { width: 290px; height: 290px; }
  .app-card { width: 100%; padding: 18px; transform: none; }
  .confidence { max-width: 105px; text-align: center; }
  .problem-section, .method-section, .evidence-section, .proof-section, .principles-section, .faq-section { padding-block: 84px; }
  .contrast-grid { margin-top: 38px; }.contrast-card { padding: 26px; }.card-index { margin-bottom: 28px; }
  .step-card { padding: 22px; }.step-visual { height: 175px; }
  .evidence-panel { padding: 23px; }.annotation-line { width: 85%; }.why-row { align-items: flex-start; flex-direction: column; gap: 6px; }.why-row strong { text-align: left; }
  .comparison { grid-template-columns: 1fr; }.comparison-arrow { transform: rotate(90deg); text-align: center; }.comparison > div:not(.comparison-arrow) { min-height: auto; }
  .principles-grid { grid-template-columns: 1fr; }.principles-grid article > span { margin-bottom: 25px; }
  .final-cta { padding-block: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}