:root {
  --brand: #0F6E56; --brand-hover: #0B5C48; --brand-soft: #E1F5EE; --brand-ink: #085041; --on-brand: #ffffff;
  --bg: #ffffff; --page: #F6F7F6; --border: #E3E6E4; --border-strong: #CBD0CD;
  --text: #141815; --muted: #5A645F; --faint: #8A928E;
  --focus: 0 0 0 3px rgba(15, 110, 86, .3);
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #1D9E75; --brand-hover: #23B386; --brand-soft: #0F2A22; --brand-ink: #9FE1CB;
    --bg: #1C1F20; --page: #141617; --border: #2E3234; --border-strong: #3E4346;
    --text: #EEF1EF; --muted: #A2AAA6; --faint: #79817D;
    --focus: 0 0 0 3px rgba(29, 158, 117, .4);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--text);
       font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
a:focus-visible, summary:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 4px; }
svg { display: block; flex: none; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { display: flex; align-items: center; gap: 10px; padding: 20px 0; }
.nav img { width: 30px; height: 30px; }
.wordmark { font-size: 18px; font-weight: 650; letter-spacing: -.01em; color: var(--text); text-decoration: none; }
.wordmark span { color: var(--brand); }
.nav-links { margin-left: auto; display: flex; gap: 22px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; white-space: nowrap; }
.nav-links a:hover { color: var(--text); }

/* Hero: text beside a mock of the popup */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 64px 0 72px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 54px); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 16px; font-weight: 750; }
.hero h1 span { color: var(--brand); }
.hero-text > p { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; height: 46px; padding: 0 22px; border-radius: 11px; font-weight: 600;
       font-size: 15px; text-decoration: none; border: 1px solid var(--border-strong); color: var(--text); background: var(--bg); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.btn[aria-disabled="true"] { opacity: .6; pointer-events: none; }
.hero-text .soon { font-size: 13px; color: var(--faint); margin: 10px 0 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { font-size: 13px; color: var(--muted); padding: 4px 11px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg); }

.mock { width: 100%; max-width: 340px; justify-self: center; background: var(--bg); border: 1px solid var(--border);
        border-radius: 16px; box-shadow: 0 24px 60px -24px rgba(0, 0, 0, .35); overflow: hidden; font-size: 13px; }
.mock svg { width: 15px; height: 15px; }
.mock-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.mock-head img { width: 22px; height: 22px; }
.mock-head b span { color: var(--brand); }
.mock-head i { margin-left: auto; display: flex; align-items: center; gap: 4px; font-size: 11px; font-style: normal; color: var(--faint); }
.mock-head i svg { width: 12px; height: 12px; color: var(--brand); }
.mock-status { margin: 14px; padding: 18px; border-radius: 12px; background: var(--page); text-align: center; }
.mock-check { width: 42px; height: 42px; margin: 0 auto 10px; display: grid; place-items: center; border-radius: 50%;
              background: var(--brand-soft); color: var(--brand); }
.mock-check svg { width: 22px; height: 22px; }
.mock-status strong { display: block; font-size: 15px; }
.mock-status small { color: var(--muted); }
.mock-btn { display: flex; align-items: center; justify-content: center; gap: 7px; margin: 0 14px; height: 36px; border-radius: 9px;
            background: var(--brand); color: var(--on-brand); font-weight: 600; }
.mock-tab { display: flex; align-items: center; gap: 10px; margin: 12px 14px 14px; padding: 10px; border: 1px solid var(--border); border-radius: 10px; }
.mock-tab > svg { color: var(--brand); }
.mock-tab b, .mock-tab small { display: block; }
.mock-tab small { color: var(--muted); }

/* Sections */
section { padding: 64px 0; border-top: 1px solid var(--border); }
h2 { font-size: clamp(24px, 4vw, 32px); letter-spacing: -.02em; margin: 0 0 32px; line-height: 1.2; text-align: center; }

.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature { padding: 4px 8px; text-align: center; }
.feature svg { width: 26px; height: 26px; margin: 0 auto 12px; color: var(--brand); }
.feature h3 { font-size: 17px; margin: 0 0 4px; letter-spacing: -.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.flow { display: flex; align-items: flex-start; justify-content: center; gap: 12px; }
.node { flex: 1; max-width: 240px; text-align: center; }
.node-icon { width: 64px; height: 64px; margin: 0 auto 14px; display: grid; place-items: center; border-radius: 18px;
             background: var(--bg); border: 1px solid var(--border); color: var(--brand); }
.node-icon svg { width: 28px; height: 28px; }
.node-icon.scrambled { width: fit-content; padding: 0 16px; font: 600 15px/1 ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--brand-soft); border-color: transparent; color: var(--brand-ink); }
.node h3 { font-size: 16px; margin: 0 0 4px; }
.node p { margin: 0; color: var(--muted); font-size: 14.5px; }
.arrow { padding-top: 20px; color: var(--faint); }
.arrow svg { width: 24px; height: 24px; }

#faq { max-width: 720px; margin: 0 auto; }
details { border-bottom: 1px solid var(--border); padding: 16px 4px; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--faint); font-weight: 400; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 8px 0 0; }

footer { padding: 32px 0 48px; border-top: 1px solid var(--border); color: var(--faint); font-size: 14px;
         display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--muted); }

/* Privacy policy and other documents */
.doc { max-width: 720px; padding: 32px 0 64px; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); letter-spacing: -.02em; margin: 0 0 6px; line-height: 1.15; }
.doc .updated { color: var(--faint); margin: 0 0 32px; }
.doc h2 { font-size: 21px; margin: 36px 0 8px; text-align: left; }
.doc p, .doc li { color: var(--muted); }
.doc li + li { margin-top: 6px; }
.doc strong { color: var(--text); }
.summary { background: var(--brand-soft); color: var(--brand-ink); border-radius: 14px; padding: 18px 22px; }
.summary p, .summary li { color: var(--brand-ink); }
.summary ul { margin: 8px 0 0; padding-left: 20px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 56px; }
  .features { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}
@media (max-width: 600px) {
  .nav-links { gap: 14px; }
  .nav-links a:first-child { display: none; }
  .flow { flex-direction: column; align-items: center; }
  .arrow { padding: 0; transform: rotate(90deg); }
  .features { grid-template-columns: 1fr; }
}