:root {
  color-scheme: light;
  --ink: #161914;
  --muted: #62675e;
  --paper: #f4f2e9;
  --cream: #ebe7d8;
  --white: #fffef8;
  --lime: #c9f45b;
  --green: #214d36;
  --line: rgba(22, 25, 20, 0.14);
  --radius: 22px;
  --shadow: 0 24px 70px rgba(29, 35, 25, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 99; padding: 12px 18px; background: var(--lime); border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(244, 242, 233, 0.92); backdrop-filter: blur(14px); }
.header-row, .footer-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 1.15rem; font-weight: 850; letter-spacing: -0.03em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px 11px 11px 3px; color: var(--paper); background: var(--ink); font-size: 0.95rem; }
nav { display: flex; gap: 30px; }
nav a, .site-footer a { color: var(--muted); text-decoration: none; font-size: 0.92rem; font-weight: 650; }
nav a:hover, .site-footer a:hover { color: var(--ink); }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 25px; border: 1px solid var(--ink); border-radius: 999px; color: var(--paper); background: var(--ink); text-decoration: none; font-weight: 800; transition: transform 160ms ease, box-shadow 160ms ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(22, 25, 20, 0.18); }
.button-small { min-height: 42px; padding-inline: 19px; font-size: 0.88rem; }
.button-light { border-color: var(--lime); color: var(--ink); background: var(--lime); }
.text-link { font-weight: 800; text-underline-offset: 5px; }

.hero { padding: 84px 0 74px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: clamp(50px, 7vw, 100px); align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--green); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 26px; font-size: clamp(3.15rem, 6.5vw, 6.1rem); line-height: 0.98; letter-spacing: -0.067em; }
h2 { margin-bottom: 20px; font-size: clamp(2.25rem, 4.3vw, 4.25rem); line-height: 1.02; letter-spacing: -0.055em; }
h3 { line-height: 1.2; letter-spacing: -0.025em; }
.lead { max-width: 720px; margin-bottom: 32px; color: var(--muted); font-size: clamp(1.06rem, 1.7vw, 1.28rem); }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-facts { display: flex; gap: 24px; flex-wrap: wrap; margin: 34px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.88rem; font-weight: 650; }
.hero-facts li::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 900; }

.diagnostic-card { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: 30px; background: var(--white); box-shadow: var(--shadow); transform: rotate(1.5deg); }
.diagnostic-card::before { content: ""; position: absolute; inset: -18px 18px 18px -18px; z-index: -1; border-radius: inherit; background: var(--lime); transform: rotate(-4deg); }
.card-topline { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 18px; border-bottom: 1px solid var(--line); font-size: 0.74rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.status { color: var(--green); }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: #45af67; box-shadow: 0 0 0 4px rgba(69, 175, 103, 0.12); }
.signal { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.signal-number { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--cream); font-size: 0.75rem; font-weight: 850; }
.signal-high .signal-number { background: var(--lime); }
.signal strong, .signal small { display: block; }
.signal small { margin-top: 3px; color: var(--muted); line-height: 1.35; }
.card-note { padding-top: 18px; color: var(--muted); font-size: 0.8rem; font-weight: 700; }

.proof-strip { border-block: 1px solid var(--line); background: var(--cream); }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-grid div { padding: 28px clamp(15px, 3vw, 42px); border-right: 1px solid var(--line); }
.proof-grid div:first-child { padding-left: 0; }
.proof-grid div:last-child { border-right: 0; }
.proof-grid strong, .proof-grid span { display: block; }
.proof-grid span { margin-top: 3px; color: var(--muted); font-size: 0.88rem; }

.section { padding: 110px 0; }
.section-heading { max-width: 770px; margin-bottom: 54px; }
.section-heading > p:last-child { max-width: 680px; color: var(--muted); font-size: 1.08rem; }
.section-heading.narrow { max-width: 620px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 245px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 254, 248, 0.56); }
.feature-card > span { display: inline-grid; width: 34px; height: 34px; place-items: center; margin-bottom: 44px; border-radius: 50%; background: var(--cream); font-size: 0.72rem; font-weight: 850; }
.feature-card h3 { margin-bottom: 10px; font-size: 1.25rem; }
.feature-card p { margin-bottom: 0; color: var(--muted); }

.section-dark { color: var(--paper); background: var(--ink); }
.result-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(60px, 9vw, 130px); align-items: start; }
.eyebrow-light { color: var(--lime); }
.result-lead { max-width: 590px; margin-bottom: 32px; color: #b7bcb2; font-size: 1.08rem; }
.deliverables { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,0.17); }
.deliverables li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,0.17); }
.deliverables li > span { color: var(--lime); font-size: 0.75rem; font-weight: 850; }
.deliverables strong { font-size: 1.08rem; }
.deliverables p { margin: 5px 0 0; color: #aeb4a9; }

.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.timeline li { position: relative; padding-right: 28px; }
.timeline li::after { content: ""; position: absolute; top: 22px; left: 56px; right: 10px; height: 1px; background: var(--line); }
.timeline li:last-child::after { display: none; }
.timeline li > span { position: relative; z-index: 1; width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 50%; color: var(--paper); background: var(--green); font-weight: 850; }
.timeline p { color: var(--muted); }

.faq-section { border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: clamp(50px, 9vw, 120px); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 42px 25px 0; cursor: pointer; font-size: 1.08rem; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; color: var(--green); font-size: 1.4rem; font-weight: 500; }
details[open] summary::after { content: "−"; }
details p { max-width: 650px; padding: 0 40px 24px 0; color: var(--muted); }

.contact-section { padding: 0 0 100px; }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: clamp(38px, 6vw, 72px); border-radius: 30px; color: var(--paper); background: var(--green); }
.contact-card h2 { max-width: 700px; margin-bottom: 12px; }
.contact-card p:last-child { margin-bottom: 0; color: #d4dfd6; }
.contact-card .button { flex: 0 0 auto; }

.site-footer { border-top: 1px solid var(--line); }
.site-footer p { margin: 0; color: var(--muted); font-size: 0.9rem; }

a:focus-visible, summary:focus-visible { outline: 3px solid #0b2f20; outline-offset: 3px; border-radius: 4px; box-shadow: 0 0 0 6px #f7ffdb; }

@media (max-width: 880px) {
  nav { display: none; }
  .hero { padding-top: 62px; }
  .hero-grid, .result-grid, .faq-grid { grid-template-columns: 1fr; }
  .diagnostic-card { max-width: 570px; margin-top: 20px; transform: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 42px 0; }
  .contact-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .site-header .button-small { display: none; }
  .header-row { min-height: 66px; }
  .hero { padding: 46px 0 58px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-facts { gap: 10px 18px; }
  .diagnostic-card { padding: 19px; border-radius: 22px; }
  .card-topline { align-items: flex-start; flex-direction: column; }
  .proof-grid { grid-template-columns: 1fr; padding-block: 8px; }
  .proof-grid div, .proof-grid div:first-child { padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid div:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 38px; }
  .feature-grid, .timeline { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-card > span { margin-bottom: 28px; }
  .timeline { gap: 34px; }
  .timeline li::after { display: none; }
  .contact-section { padding-bottom: 70px; }
  .contact-card { border-radius: 22px; }
  .contact-card .button { width: 100%; }
  .footer-row { align-items: flex-start; flex-direction: column; padding-block: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}