:root {
  --paper: #f4f0e7;
  --paper-deep: #e8e1d4;
  --surface: #fffdf8;
  --ink: #18241f;
  --muted: #69736d;
  --green: #1f6651;
  --green-dark: #0d3027;
  --green-soft: #dce9df;
  --mint: #8df5c8;
  --orange: #d86138;
  --yellow: #f2ca70;
  --line: rgba(24, 36, 31, .15);
  --shadow: 0 30px 80px rgba(24, 36, 31, .12);
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .45;
  background-image: linear-gradient(rgba(32, 50, 42, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(32, 50, 42, .035) 1px, transparent 1px);
  background-size: 38px 38px;
}
img { max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(216, 97, 56, .45); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 14px; transform: translateY(-160%); border-radius: 8px; background: var(--ink); color: white; }
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 20;
  width: min(1180px, calc(100% - 32px));
  min-height: 70px;
  padding: 12px 14px 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 18px;
  background: rgba(255,253,248,.78);
  box-shadow: 0 14px 50px rgba(35, 42, 38, .07);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled { background: rgba(255,253,248,.94); box-shadow: 0 14px 50px rgba(35,42,38,.13); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 18px; font-weight: 820; letter-spacing: -.03em; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: flex; flex-direction: column; line-height: 1; }
.brand small { margin-top: 5px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .17em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: #4f5b55; font-size: 13px; font-weight: 680; text-decoration: none; transition: color .2s ease; }
.nav a:hover { color: var(--green); }
.nav .nav-cta { padding: 12px 16px; border-radius: 10px; background: var(--ink); color: white; }
.menu-button { display: none; border: 0; background: transparent; }

main { overflow: hidden; }
.hero {
  min-height: 930px;
  padding: 150px max(32px, calc((100vw - 1180px)/2)) 90px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr);
  align-items: center;
  gap: 70px;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-label { margin: 0 0 24px; color: var(--orange); font-size: 11px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(31,102,81,.12); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { max-width: 720px; margin: 0; font-size: clamp(58px, 6.2vw, 96px); line-height: .94; letter-spacing: -.072em; }
h1 em, .closing em { color: var(--green); font-family: var(--serif); font-weight: 500; letter-spacing: -.055em; }
.hero-lead { max-width: 625px; margin: 34px 0 0; color: #58645e; font-size: 18px; line-height: 1.75; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.button { min-height: 52px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; border-radius: 12px; font-size: 14px; font-weight: 760; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--green); color: white; box-shadow: 0 14px 30px rgba(31,102,81,.19); }
.button.primary:hover { background: #17543f; box-shadow: 0 18px 38px rgba(31,102,81,.25); }
.text-button { color: var(--ink); }
.trust-list { margin: 34px 0 0; padding: 0; display: flex; gap: 26px; flex-wrap: wrap; list-style: none; color: var(--muted); font-size: 12px; }
.trust-list li::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 8px 2px 0; border-radius: 50%; background: var(--orange); }

.hero-visual { min-height: 710px; position: relative; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 600px; height: 600px; border-radius: 50%; background: rgba(141,245,200,.25); filter: blur(2px); }
.orbit { position: absolute; border: 1px solid rgba(31,102,81,.18); border-radius: 50%; }
.orbit-one { width: 650px; height: 650px; }
.orbit-two { width: 510px; height: 510px; }
.phone-shell { position: relative; z-index: 2; width: 356px; min-height: 700px; padding: 10px; overflow: hidden; border: 2px solid #0a211a; border-radius: 42px; background: #10241e; box-shadow: 0 45px 80px rgba(20,40,32,.24), 0 0 0 8px rgba(255,255,255,.45); transform: rotate(2.5deg); }
.phone-top { height: 26px; padding: 0 12px; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.88); font-size: 9px; }
.phone-top i { width: 64px; height: 16px; border-radius: 999px; background: #071a14; }
.app-bar { padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; border-radius: 25px 25px 0 0; background: #f4f0e7; }
.mini-brand { display: flex; align-items: center; gap: 7px; }
.mini-brand img { width: 28px; height: 28px; object-fit: contain; }
.mini-brand strong { display: flex; flex-direction: column; font-size: 11px; }
.mini-brand small { margin-top: 2px; color: var(--muted); font-size: 5px; letter-spacing: .12em; text-transform: uppercase; }
.privacy-dot { color: var(--muted); font-size: 7px; }
.privacy-dot::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 5px; border-radius: 50%; background: var(--green); }
.app-content { min-height: 622px; padding: 22px 15px; background: linear-gradient(90deg, rgba(24,36,31,.03) 1px, transparent 1px), #f4f0e7; background-size: 24px 24px; }
.app-kicker { margin: 0; color: var(--orange); font-size: 7px; font-weight: 850; letter-spacing: .15em; }
.app-content > h2 { margin: 7px 0 15px; font-size: 24px; letter-spacing: -.045em; }
.nudge-card { padding: 22px; border-radius: 17px; background: var(--green); color: white; box-shadow: 0 18px 30px rgba(31,102,81,.16); }
.nudge-card small { font-size: 7px; font-weight: 800; letter-spacing: .14em; }
.nudge-card h3 { margin: 13px 0 8px; font-family: var(--serif); font-size: 24px; font-weight: 500; line-height: 1.08; }
.nudge-card p { margin: 0; color: rgba(255,255,255,.82); font-size: 10px; line-height: 1.5; }
.nudge-card button { margin-top: 16px; padding: 9px 12px; display: flex; gap: 28px; border: 0; border-radius: 7px; background: white; color: var(--ink); font-size: 9px; font-weight: 800; }
.notify-card { margin-top: 12px; padding: 12px; display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.notify-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--green-soft); color: var(--green); }
.notify-card p { margin: 0; display: flex; flex-direction: column; font-size: 9px; }
.notify-card p small { margin-top: 3px; color: var(--muted); font-size: 7px; }
.notify-card > b { padding: 6px 8px; border: 1px solid var(--green); border-radius: 6px; color: var(--green); font-size: 7px; }
.progress-mini { margin-top: 12px; padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.progress-mini > div:first-child { display: flex; flex-direction: column; }
.progress-mini small { color: var(--orange); font-size: 6px; font-weight: 850; letter-spacing: .14em; }
.progress-mini strong { margin-top: 4px; font-size: 12px; }
.bars { height: 54px; margin-top: 10px; display: flex; align-items: end; gap: 6px; }
.bars i { flex: 1; border-top: 2px solid var(--green); background: var(--green-soft); }
.bars i:nth-child(1) { height: 23%; }.bars i:nth-child(2) { height: 47%;}.bars i:nth-child(3) { height: 35%;}.bars i:nth-child(4) { height: 70%;}.bars i:nth-child(5) { height: 42%;}.bars i:nth-child(6) { height: 85%;}.bars i:nth-child(7) { height: 59%;}
.floating-note { position: absolute; z-index: 3; right: -10px; bottom: 100px; width: 170px; padding: 17px; display: flex; flex-direction: column; border: 1px solid rgba(156,110,25,.18); border-radius: 4px; background: var(--yellow); box-shadow: 0 20px 40px rgba(69,54,29,.15); transform: rotate(-4deg); }
.floating-note::before { content: ""; position: absolute; width: 54px; height: 18px; top: -10px; left: 58px; background: rgba(255,253,248,.72); }
.floating-note span { font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.floating-note strong { margin-top: 12px; font-family: var(--serif); font-size: 40px; font-weight: 500; }
.floating-note small { color: #6b552c; font-size: 10px; }

.statement, .flow, .prototype, .faq { padding: 120px max(32px, calc((100vw - 1180px)/2)); }
.statement { border-top: 1px solid var(--line); }
.statement-copy { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.statement-copy h2, .section-heading h2, .privacy h2, .prototype h2, .faq h2 { margin: 0; font-size: clamp(42px, 5vw, 72px); line-height: 1.02; letter-spacing: -.06em; }
.statement-copy p, .section-heading > p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.principles { margin-top: 75px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { min-height: 270px; padding: 32px 34px 20px 0; border-right: 1px solid var(--line); }
.principle + .principle { padding-left: 34px; }
.principle:last-child { border-right: 0; }
.principle > span { color: var(--orange); font-family: var(--serif); font-size: 18px; font-style: italic; }
.principle h3 { margin: 58px 0 12px; font-size: 24px; letter-spacing: -.04em; }
.principle p { max-width: 300px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.flow { background: var(--surface); }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.flow-list { margin: 80px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.flow-list li { min-height: 122px; padding: 23px 12px; display: grid; grid-template-columns: 72px 1fr 50px; align-items: center; border-bottom: 1px solid var(--line); transition: padding .25s ease, background .25s ease; }
.flow-list li:hover { padding-left: 25px; padding-right: 25px; background: var(--paper); }
.flow-list li > span { color: var(--orange); font-family: var(--serif); font-size: 17px; font-style: italic; }
.flow-list div { display: grid; grid-template-columns: minmax(200px,.65fr) 1fr; align-items: center; gap: 30px; }
.flow-list strong { font-size: 25px; letter-spacing: -.035em; }
.flow-list p { margin: 0; color: var(--muted); font-size: 14px; }
.flow-list b { color: var(--green); font-size: 24px; text-align: right; }

.privacy { padding: 120px max(32px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: .9fr 1.1fr; gap: 85px; background: var(--green-dark); color: white; }
.section-label.light { color: var(--mint); }
.privacy-copy > p:not(.section-label) { max-width: 530px; margin: 28px 0; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.75; }
.privacy-copy a { display: inline-flex; gap: 14px; color: white; font-size: 13px; font-weight: 750; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.45); padding-bottom: 5px; }
.privacy-grid { display: grid; grid-template-columns: repeat(2,1fr); }
.privacy-grid article { min-height: 215px; padding: 26px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.privacy-grid article:nth-child(2n) { border-right: 0; }
.privacy-grid article:nth-child(n+3) { border-bottom: 0; }
.privacy-icon { width: 37px; height: 37px; display: grid; place-items: center; border: 1px solid rgba(141,245,200,.45); border-radius: 50%; color: var(--mint); }
.privacy-grid strong { margin-top: 31px; display: block; font-size: 17px; }
.privacy-grid p { margin: 9px 0 0; color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.6; }

.prototype-card { padding: 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; border: 1px solid var(--line); border-radius: 28px; background: var(--yellow); box-shadow: var(--shadow); }
.prototype-card > div:first-child > p:not(.section-label) { max-width: 520px; margin: 25px 0 0; color: #675531; line-height: 1.7; }
.prototype-stats { display: grid; grid-template-columns: repeat(3,1fr); align-items: center; }
.prototype-stats div { min-height: 130px; padding: 0 22px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(60,49,25,.2); }
.prototype-stats strong { font-family: var(--serif); font-size: 54px; font-weight: 500; }
.prototype-stats span { margin-top: 8px; color: #675531; font-size: 11px; line-height: 1.4; }

.faq { padding-top: 70px; }
.faq-list { margin-top: 50px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 26px 5px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-size: 18px; font-weight: 720; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--green); font-family: var(--serif); font-size: 26px; transition: transform .2s ease; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { max-width: 760px; margin: -8px 0 26px; color: var(--muted); line-height: 1.7; }

.closing { min-height: 650px; padding: 100px 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: var(--paper-deep); }
.closing img { width: 82px; height: 82px; object-fit: contain; filter: drop-shadow(0 12px 16px rgba(24,36,31,.16)); }
.closing > p { margin: 25px 0 10px; color: var(--orange); font-size: 11px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.closing h2 { margin: 0 0 32px; font-size: clamp(43px, 5vw, 74px); line-height: 1.04; letter-spacing: -.06em; }
footer { min-height: 110px; padding: 25px max(32px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; background: var(--ink); color: white; }
footer p { margin: 0; color: rgba(255,255,255,.55); font-size: 11px; }
footer p:last-child { text-align: right; }
.footer-brand small { color: rgba(255,255,255,.5); }
.footer-brand img { width: 36px; height: 36px; object-fit: contain; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 160px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-visual { min-height: 760px; }
  .statement-copy, .section-heading, .privacy, .prototype-card { grid-template-columns: 1fr; }
  .statement-copy, .section-heading { gap: 28px; }
  .privacy { gap: 60px; }
  .prototype-card { gap: 50px; }
}

@media (max-width: 720px) {
  .site-header { top: 10px; min-height: 62px; }
  .brand img { width: 36px; height: 36px; }
  .menu-button { width: 42px; height: 42px; padding: 10px; display: flex; flex-direction: column; justify-content: center; gap: 5px; }
  .menu-button span { width: 100%; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav { position: absolute; top: calc(100% + 8px); left: 0; right: 0; padding: 18px; display: none; flex-direction: column; align-items: stretch; gap: 8px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .nav .nav-cta { text-align: center; }
  .hero { min-height: auto; padding: 140px 20px 80px; gap: 50px; }
  .hero-copy { width: 100%; }
  h1 { width: 100%; font-size: clamp(44px, 13vw, 58px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .button { width: 100%; }
  .trust-list { justify-content: center; gap: 12px 18px; }
  .hero-visual { width: 100%; min-height: 650px; margin: -35px 0; }
  .phone-shell { width: min(330px, calc(100vw - 44px)); }
  .floating-note { right: 4px; width: 150px; }
  .orbit-one { width: 470px; height: 470px; }.orbit-two { width: 390px; height: 390px; }
  .statement, .flow, .prototype, .faq { padding: 82px 20px; }
  .statement-copy h2, .section-heading h2, .privacy h2, .prototype h2, .faq h2 { font-size: 42px; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { min-height: auto; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .principle h3 { margin-top: 28px; }
  .flow-list li { grid-template-columns: 45px 1fr 25px; }
  .flow-list div { display: block; }
  .flow-list p { margin-top: 7px; }
  .privacy { padding: 82px 20px; }
  .privacy-grid { grid-template-columns: 1fr; }
  .privacy-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14) !important; }
  .privacy-grid article:last-child { border-bottom: 0 !important; }
  .prototype-card { padding: 36px 24px; }
  .prototype-stats { grid-template-columns: 1fr; }
  .prototype-stats div { min-height: 100px; padding: 15px 0; border-left: 0; border-top: 1px solid rgba(60,49,25,.2); }
  .faq summary { font-size: 16px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .brand { justify-self: center; }
  footer p:last-child { text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}