:root {
  color-scheme: light;
  --paper: #f8f3e4;
  --paper-deep: #ede4d1;
  --sheet: #fffaf0;
  --ink: #20352d;
  --muted: #607068;
  --moss: #37644f;
  --moss-deep: #254638;
  --coral: #e46f51;
  --saffron: #d9a63a;
  --line: rgba(32, 53, 45, 0.15);
  --shadow: 0 24px 70px rgba(28, 51, 41, 0.15);
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 20rem; color: var(--ink); background: var(--paper); font-size: 1rem; line-height: 1.6; }
body::before { position: fixed; inset: 0; z-index: -1; background-image: radial-gradient(rgba(55,100,79,.12) .7px, transparent .7px); background-size: 21px 21px; content: ""; pointer-events: none; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(calc(100% - 2rem), 72rem); margin-inline: auto; }

.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 5.5rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .72rem; font-family: ui-serif, Georgia, serif; font-size: 1.4rem; font-weight: 800; text-decoration: none; }
.brand-mark { display: grid; width: 2.35rem; height: 2.35rem; place-items: center; color: var(--ink); background: var(--sheet); border: 2px solid var(--ink); border-radius: .7rem .7rem .7rem .25rem; box-shadow: .2rem .2rem 0 var(--coral); transform: rotate(-3deg); }
.brand-mark span { color: var(--coral); }
nav { display: flex; align-items: center; gap: 1.25rem; }
nav a { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--muted); font-size: .94rem; font-weight: 750; text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--coral); text-decoration-thickness: .16rem; text-underline-offset: .32rem; }

.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(19rem, .8fr); gap: clamp(2rem, 7vw, 6rem); align-items: center; min-height: calc(100vh - 5.5rem); padding-block: clamp(3rem, 8vw, 7rem); }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: inline-block; margin: 0 0 1.35rem; padding: .32rem .62rem; color: var(--moss); border: 1.5px solid currentColor; border-radius: .35rem; font-size: .76rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; transform: rotate(-1deg); }
.eyebrow.light { color: #f4e8cb; border-color: rgba(244,232,203,.55); }
.eyebrow.compact { margin-bottom: .65rem; }
h1, h2, h3 { margin-top: 0; font-family: ui-serif, Georgia, serif; line-height: 1.05; text-wrap: balance; }
h1 { max-width: 11ch; margin-bottom: 1.5rem; font-size: clamp(3.25rem, 8vw, 6.7rem); letter-spacing: -.055em; }
h1 em { position: relative; color: var(--coral); font-style: normal; white-space: nowrap; }
h1 em::after { position: absolute; left: 2%; right: -2%; bottom: -.05em; height: .12em; background: var(--saffron); border-radius: 99px; content: ""; transform: rotate(-1.8deg); }
h2 { font-size: clamp(2.3rem, 5.2vw, 4.6rem); letter-spacing: -.04em; }
h3 { font-size: 1.5rem; }
p { margin-top: 0; }
.lead { max-width: 38rem; margin-bottom: 1.8rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; min-height: 3.15rem; align-items: center; justify-content: center; padding: .72rem 1.05rem; border: 1.5px solid transparent; border-radius: .85rem; font: inherit; font-weight: 820; line-height: 1.1; text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary, .test-button { color: white; background: var(--coral); box-shadow: 0 .42rem 0 #aa4a36; }
.button.secondary { color: var(--ink); background: transparent; border-color: var(--ink); }
.launch-note { display: flex; align-items: center; gap: .6rem; margin-top: 1.35rem; color: var(--muted); font-size: .9rem; font-weight: 650; }
.launch-note span { width: .58rem; height: .58rem; background: var(--saffron); border-radius: 50%; box-shadow: 0 0 0 .3rem rgba(217,166,58,.15); }

.hero-visual { position: relative; display: grid; place-items: center; min-height: 42rem; }
.hero-visual::before { position: absolute; width: 31rem; height: 31rem; background: var(--saffron); border-radius: 48% 52% 54% 46%; content: ""; opacity: .94; transform: rotate(8deg); }
.phone-frame { position: relative; z-index: 1; width: min(19.5rem, 75vw); padding: .65rem; background: #101512; border: 2px solid rgba(255,255,255,.25); border-radius: 3.2rem; box-shadow: var(--shadow); transform: rotate(2.2deg); }
.phone-frame::before { position: absolute; top: 1.15rem; left: 50%; z-index: 2; width: 5.8rem; height: 1.4rem; background: #101512; border-radius: 99px; content: ""; transform: translateX(-50%); }
.phone-frame img { display: block; width: 100%; border-radius: 2.58rem; }
.scribble-note { position: absolute; z-index: 2; padding: .62rem .8rem; color: var(--ink); background: var(--sheet); border: 1.5px solid var(--ink); box-shadow: .35rem .35rem 0 var(--coral); font-family: ui-serif, Georgia, serif; font-weight: 800; }
.note-one { top: 10%; right: -2%; transform: rotate(5deg); }
.note-two { bottom: 12%; left: -7%; transform: rotate(-4deg); }

.challenge-wrap { padding-block: clamp(4rem, 9vw, 7.5rem); color: var(--paper); background: var(--moss-deep); }
.challenge-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.challenge-intro h2 { color: white; }
.challenge-intro p { max-width: 31rem; color: #d9e1dc; }
.fine-print { font-size: .86rem; opacity: .78; }
.memory-card { min-height: 28rem; padding: clamp(1.2rem, 3vw, 2rem); color: var(--ink); background: var(--sheet); border: 2px solid var(--ink); border-radius: 1.5rem 1.5rem 1.5rem .45rem; box-shadow: .75rem .75rem 0 var(--saffron); }
.memory-card-top { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; color: var(--muted); border-bottom: 1px solid var(--line); font-size: .86rem; font-weight: 750; }
.timer { color: var(--coral); font-variant-numeric: tabular-nums; }
.memory-stage { min-height: 21rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.stage-kicker { margin-bottom: .55rem; color: var(--coral); font-size: .8rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.stage-title { max-width: 26rem; margin-bottom: 1.5rem; font-family: ui-serif, Georgia, serif; font-size: clamp(1.7rem, 4vw, 2.75rem); font-weight: 750; line-height: 1.1; }
.memory-code { margin: .6rem 0; color: var(--ink); font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: clamp(2.9rem, 8vw, 5.4rem); font-weight: 850; letter-spacing: .08em; line-height: 1; }
.memory-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; width: 100%; max-width: 31rem; }
.memory-option { min-height: 4.3rem; padding: .7rem; color: var(--ink); background: var(--paper); border: 1.5px solid var(--ink); border-radius: .8rem; font: inherit; font-size: 1.15rem; font-weight: 800; cursor: pointer; }
.memory-option:hover { background: #f0e4bf; }
.memory-option.correct { color: white; background: var(--moss); }
.memory-option.wrong { color: white; background: var(--coral); }
.memory-progress { height: .48rem; overflow: hidden; background: var(--paper-deep); border-radius: 99px; }
.memory-progress span { display: block; width: 0; height: 100%; background: var(--coral); transition: width .25s linear; }

.everyday, .categories, .privacy-promise { padding-block: clamp(4.5rem, 10vw, 8rem); }
.section-heading { max-width: 50rem; margin-bottom: 3rem; }
.section-heading h2 { margin-bottom: 0; }
.situation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.situation { min-height: 19rem; padding: 1.55rem; background: var(--sheet); border: 1px solid var(--line); border-radius: 1.1rem; box-shadow: 0 14px 35px rgba(32,53,45,.08); }
.situation.coral { border-top: .45rem solid var(--coral); transform: rotate(-1deg); }
.situation.saffron { border-top: .45rem solid var(--saffron); transform: translateY(1.6rem) rotate(1deg); }
.situation.moss { border-top: .45rem solid var(--moss); transform: rotate(-.4deg); }
.situation-number { display: inline-grid; width: 2.35rem; height: 2.35rem; place-items: center; margin-bottom: 3rem; color: white; background: var(--ink); border-radius: 50%; font-size: .75rem; font-weight: 850; }
.situation p { color: var(--muted); }

.process { padding-block: clamp(4.5rem, 10vw, 8rem); background: var(--paper-deep); border-block: 1px solid var(--line); }
.split-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 4rem; max-width: none; align-items: end; }
.split-heading > p { color: var(--muted); font-size: 1.08rem; }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 0; margin: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1.5rem; background: rgba(255,250,240,.72); border-top: 1.5px solid var(--ink); }
.process-list li > span { display: grid; width: 2.4rem; height: 2.4rem; place-items: center; color: white; background: var(--coral); border-radius: .7rem .7rem .7rem .2rem; font-weight: 850; }
.process-list strong { font-family: ui-serif, Georgia, serif; font-size: 1.4rem; }
.process-list p { margin: .35rem 0 0; color: var(--muted); }

.category-list { display: flex; flex-wrap: wrap; gap: .7rem; }
.category-list span { padding: .8rem 1rem; background: var(--sheet); border: 1.5px solid var(--ink); border-radius: 99px; font-weight: 750; box-shadow: .18rem .18rem 0 var(--saffron); }
.category-list span:nth-child(even) { box-shadow: .18rem .18rem 0 var(--coral); transform: rotate(1deg); }

.science { padding-block: clamp(4.5rem, 10vw, 8rem); color: white; background: var(--ink); }
.science-grid { display: grid; grid-template-columns: 1.08fr .72fr; gap: clamp(2rem, 7vw, 6rem); align-items: center; }
.science-copy p { color: #d6ded9; }
.source-links { display: flex; flex-wrap: wrap; gap: .75rem 1rem; margin-top: 1.5rem; }
.source-links a { color: #f4d992; font-weight: 750; text-underline-offset: .25rem; }
blockquote { position: relative; margin: 0; padding: clamp(2rem, 5vw, 3.5rem); color: var(--ink); background: var(--saffron); border-radius: 1.5rem 1.5rem 1.5rem .4rem; box-shadow: .65rem .65rem 0 var(--coral); transform: rotate(1.5deg); }
blockquote p { position: relative; z-index: 1; margin-bottom: 1rem; font-family: ui-serif, Georgia, serif; font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 750; line-height: 1.25; }
blockquote cite { font-style: normal; font-weight: 750; }
.quote-mark { position: absolute; top: -.45rem; left: .5rem; color: rgba(255,255,255,.5); font-family: Georgia, serif; font-size: 8rem; line-height: 1; }

.privacy-promise { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 8vw, 7rem); }
.privacy-points { padding-left: clamp(0rem, 4vw, 3rem); border-left: 1px solid var(--line); }
.privacy-points p { padding-bottom: 1rem; border-bottom: 1px solid var(--line); color: var(--muted); }
.privacy-points a { display: inline-block; margin-top: .8rem; color: var(--moss); font-weight: 850; text-underline-offset: .25rem; }

.faq { padding-block: clamp(4rem, 8vw, 6rem); }
.faq-list { display: grid; gap: .85rem; max-width: 880px; }
.faq-list details { border: 1px solid rgba(32, 53, 45, .14); border-radius: 20px; background: rgba(255, 255, 255, .52); padding: 1.15rem 1.35rem; }
.faq-list summary { color: var(--ink); cursor: pointer; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 700; }
.faq-list details[open] { border-color: rgba(55, 100, 79, .35); box-shadow: 0 18px 38px rgba(32, 53, 45, .08); }
.faq-list p { margin: .85rem 0 .2rem; max-width: 70ch; color: var(--muted); line-height: 1.7; }

.final-cta { padding-block: clamp(4rem, 9vw, 7rem); color: white; background: var(--coral); }
.final-cta-inner { display: grid; grid-template-columns: 1fr .72fr; gap: 4rem; align-items: end; }
.final-cta h2 { margin-bottom: 0; }
.final-cta p { color: #fff2ec; }
.paper-button { color: var(--ink); background: var(--paper); box-shadow: .35rem .35rem 0 var(--ink); }

.footer { display: grid; grid-template-columns: 1fr auto; gap: 1rem 3rem; align-items: start; padding-block: 2.8rem; }
.footer-brand { font-size: 1.2rem; }
.footer p { margin: .65rem 0 0; color: var(--muted); }
.footer-links { display: flex; gap: 1rem; font-weight: 750; }
.footer-note { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .83rem; }

.policy { max-width: 51rem; padding-block: clamp(3rem, 8vw, 6rem); }
.policy h1 { max-width: 12ch; }
.policy section { padding: 1.7rem 0; border-top: 1px solid var(--line); }
.policy section:first-of-type { margin-top: 2.5rem; }
.policy p, .policy li { color: var(--muted); }
.support-page { max-width: 72rem; }
.grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; margin-top: 3rem; }
.card { padding: clamp(1.35rem, 3vw, 2rem); background: var(--sheet); border: 1px solid var(--line); border-radius: 1.2rem; box-shadow: var(--shadow); }
.card.coral { border-top: .35rem solid var(--coral); }
.card.moss { border-top: .35rem solid var(--moss); }
.note { margin-top: 1.2rem; padding: 1rem; background: rgba(217,166,58,.13); border-radius: .8rem; }
.plain-list { padding-left: 1.25rem; }
.testflight-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: 1.5rem; align-items: center; margin-top: 1rem; border-left: .35rem solid var(--saffron); }
.testflight-card h2, .testflight-card p { margin-bottom: 0; }
.compact-footer { display: flex; justify-content: space-between; border-top: 1px solid var(--line); }

:focus-visible { outline: .2rem solid var(--saffron); outline-offset: .2rem; }
@media (max-width: 54rem) {
  .hero, .challenge-grid, .science-grid, .privacy-promise { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
  .hero-visual { min-height: 38rem; }
  .note-one { right: 4%; }
  .note-two { left: 2%; }
  .situation-grid, .process-list { grid-template-columns: 1fr; }
  .situation.saffron { transform: none; }
  .split-heading, .final-cta-inner { grid-template-columns: 1fr; gap: 1rem; }
  .privacy-points { padding-left: 0; border-left: 0; }
}
@media (max-width: 42rem) {
  .site-header { align-items: flex-start; padding-block: 1rem; }
  nav { flex-direction: column; align-items: flex-end; gap: 0; }
  .hero { min-height: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-visual { min-height: 33rem; }
  .phone-frame { width: 16rem; border-radius: 2.7rem; }
  .phone-frame img { border-radius: 2.18rem; }
  .hero-visual::before { width: 25rem; height: 25rem; }
  .memory-options { grid-template-columns: 1fr; }
  .memory-stage { min-height: 25rem; }
  .grid, .testflight-card { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .footer-note { grid-column: auto; }
  .compact-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}