:root {
  --ink: #16233f;
  --ink-soft: #45536d;
  --paper: #fbfcfe;
  --blue: #2c57de;
  --blue-deep: #1c3ca6;
  --wash: #eef3ff;
  --grid: #e6ebf6;
  --line: #d3dbea;
  --marker: #ffe15a;
  --pass: #12805a;
  --round: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--round);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h2 { font-size: clamp(1.75rem, 4.5vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 750; }
p { margin: 0 0 1rem; }

a { color: var(--blue); text-underline-offset: 0.2em; }
a:hover { color: var(--blue-deep); }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
}
.skip:focus, .skip:hover { top: 1rem; color: #fff; }

.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.wrap { width: min(100% - 2.5rem, 70rem); margin-inline: auto; }
main { flex: 1; }

.site-head { background: #fff; border-bottom: 1px solid var(--line); }
.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.wordmark { display: inline-flex; color: var(--ink); text-decoration: none; }
.wordmark:hover { color: var(--ink); }
.wordmark svg { height: 1.75rem; width: auto; }
.logo-text { font: 800 23px var(--round); letter-spacing: -0.02em; fill: currentColor; }

.nav { display: flex; gap: 1.25rem; font-weight: 650; font-size: 0.95rem; }
.nav a { padding-block: 0.5rem; color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--blue); text-decoration: underline; }
.nav a[aria-current="page"] { color: var(--blue); }
.nav-wide { display: none; }

.hero {
  background-color: #fff;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  border-bottom: 1px solid var(--line);
}
.hero .wrap { display: grid; gap: 3rem; padding-block: 3rem 3.75rem; }
.hero h1 {
  max-width: 13ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.lede { max-width: 34rem; margin-bottom: 1.75rem; color: var(--ink-soft); font-size: 1.18rem; }

.store-note {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  padding: 0.7rem 1.15rem 0.7rem 0.95rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
}
.store-note svg { width: 1.1rem; height: 1.6rem; flex: none; }

.sheet {
  margin: 0;
  padding: 1.4rem 1.4rem 1.5rem;
  border: 2px solid var(--ink);
  border-radius: 20px;
  background: #fff;
  box-shadow: 8px 8px 0 #c7d4fa;
}
.sheet-tag {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.15rem 0.6rem;
  border-radius: 6px;
  background: var(--wash);
  color: var(--blue-deep);
  font-size: 0.85rem;
  font-weight: 700;
}
.sheet-title { font-size: 1.3rem; }
.sheet-label { margin: 1.25rem 0 0.5rem; color: var(--ink-soft); font-size: 0.9rem; font-weight: 700; }

.tasks, .checks { list-style: none; margin: 0; padding: 0; }
.tasks li { position: relative; padding: 0.3rem 0 0.3rem 2.1rem; }
.tasks li.done { color: var(--ink-soft); }

.tasks li::before, .checks li::before {
  content: "";
  position: absolute;
  left: 0;
  width: 1.3rem;
  height: 1.3rem;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: #fff;
}
.tasks li::before { top: 0.48rem; }
.tasks li.done::before, .checks li::before { border-color: var(--pass); background: var(--pass); }
.tasks li.done::after, .checks li::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  width: 0.38rem;
  height: 0.7rem;
  border: solid #fff;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}
.tasks li.done::after { top: 0.62rem; }

.feedback {
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font-size: 1rem;
}
.feedback mark {
  padding: 0 0.15em;
  background: linear-gradient(100deg, transparent 1%, var(--marker) 3%, var(--marker) 96%, transparent 99%);
  color: inherit;
}
.sheet-send {
  display: block;
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  text-align: center;
}

.section { padding-block: 4rem; }
.section-head { max-width: 40rem; margin-bottom: 2.25rem; }
.section-head p { margin: 0.75rem 0 0; color: var(--ink-soft); font-size: 1.12rem; }

.steps { display: grid; gap: 2.25rem; list-style: none; margin: 0; padding: 0; }
.steps li { position: relative; padding-left: 4rem; }
.steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 3rem;
  bottom: -1.85rem;
  border-left: 2px dashed var(--line);
}
.steps h3 { margin: 0.55rem 0 0.5rem; }
.steps p { max-width: 34ch; margin: 0; color: var(--ink-soft); }
.step-n {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font: 800 1.15rem/1 var(--round);
}

.split { display: grid; gap: 2rem; }
.split .section-head { margin-bottom: 0; }

.checks li { position: relative; padding: 0.95rem 0 0.95rem 2.3rem; border-bottom: 1px solid var(--line); }
.checks li:first-child { border-top: 1px solid var(--line); }
.checks li::before { top: 1.12rem; }
.checks li::after { top: 1.26rem; }

.band-wash { background: var(--wash); }
.prose { max-width: 36rem; }
.prose h2 { margin-bottom: 1.25rem; }
.prose p { font-size: 1.1rem; }

.note {
  padding: 1.5rem 1.5rem 1.25rem;
  border: 2px solid var(--ink);
  border-radius: 16px;
  background: #fff;
}
.note h3 { margin-bottom: 0.75rem; }
.note ul { margin: 0; padding-left: 1.2rem; }
.note li { margin-bottom: 0.6rem; }

.faq { max-width: 46rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary {
  position: relative;
  padding: 1.15rem 2.5rem 1.15rem 0;
  font: 700 1.125rem/1.35 var(--round);
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  width: 0.65rem;
  height: 0.65rem;
  border: solid var(--blue);
  border-width: 0 2.5px 2.5px 0;
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.faq details p { max-width: 62ch; margin: 0 0 1.25rem; color: var(--ink-soft); }

.soon { background: var(--ink); color: #fff; }
.soon p { max-width: 36rem; color: #d9e1f2; font-size: 1.12rem; }
.soon h2 { margin-bottom: 0.9rem; }

.site-foot { padding-block: 2.75rem; border-top: 1px solid var(--line); background: #fff; color: var(--ink-soft); font-size: 0.95rem; }
.site-foot .wrap { display: grid; gap: 1.25rem; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-weight: 650; }
.foot-nav a { color: var(--ink); }
.fine { margin: 0; font-size: 0.85rem; }

.doc { padding-block: 3rem 4.5rem; }
.doc-body { max-width: 46rem; }
.doc h1 { margin-bottom: 0.75rem; font-size: clamp(2.1rem, 6vw, 3rem); font-weight: 800; letter-spacing: -0.025em; }
.doc h2 { margin: 2.75rem 0 1rem; font-size: 1.45rem; }
.doc h3 { margin: 1.9rem 0 0.6rem; font-size: 1.12rem; }
.doc h4 { margin: 1.5rem 0 0.5rem; font-size: 1rem; font-weight: 750; }
.doc ul { padding-left: 1.25rem; }
.doc li { margin-bottom: 0.55rem; }
.doc .updated { color: var(--ink-soft); }
.doc .intro { font-size: 1.12rem; color: var(--ink-soft); }

.table {
  margin: 1rem 0 1.75rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(90deg, #fff 30%, rgba(255, 255, 255, 0)) left / 2.5rem 100% no-repeat local,
    linear-gradient(270deg, #fff 30%, rgba(255, 255, 255, 0)) right / 2.5rem 100% no-repeat local,
    radial-gradient(farthest-side at 0 50%, rgba(22, 35, 63, 0.2), transparent) left / 0.9rem 100% no-repeat scroll,
    radial-gradient(farthest-side at 100% 50%, rgba(22, 35, 63, 0.2), transparent) right / 0.9rem 100% no-repeat scroll;
  background-color: #fff;
}
.table table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.table-wide table { min-width: 40rem; }
.scroll-hint { margin: 1.25rem 0 -0.5rem; color: var(--ink-soft); font-size: 0.9rem; }
.table th, .table td { padding: 0.75rem 0.9rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table th { background: var(--wash); }

.address { margin: 1rem 0; padding: 1.1rem 1.3rem; border-radius: 12px; background: var(--wash); font-style: normal; }

.lost { padding-block: 5rem 6rem; }
.lost h1 { margin-bottom: 1rem; font-size: clamp(2.2rem, 7vw, 3.5rem); font-weight: 800; }
.lost p { max-width: 34rem; color: var(--ink-soft); font-size: 1.12rem; }

@media (min-width: 40rem) {
  .nav-wide { display: inline; }
  .wordmark svg { height: 2rem; }
}

@media (min-width: 48rem) {
  .scroll-hint { display: none; }
}

@media (min-width: 56rem) {
  .hero .wrap { grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 4rem; padding-block: 5rem 5.5rem; }
  .sheet { transform: rotate(1.5deg); }
  .section { padding-block: 6rem; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
  .steps li { padding: 4rem 0 0; }
  .steps li:not(:last-child)::before { left: 3rem; right: -2.1rem; top: 1.25rem; bottom: auto; border-left: 0; border-top: 2px dashed var(--line); }
  .split { grid-template-columns: 1fr 1.15fr; gap: 4rem; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}