:root {
  --teal: #0b6e69;
  --teal-dk: #08504c;
  --ink: #10231e;
  --sun: #f2b33d;
  --paper: #f3f5f2;
  --paper-2: #e9eee9;
  --card: #ffffff;
  --muted: #4f625a;
  --line: #d5ddd8;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--teal); }
a:hover { color: var(--teal-dk); }
h1, h2, h3 { font-family: var(--display); font-stretch: 82%; letter-spacing: -0.015em; line-height: 1.02; margin: 0; }
h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
h3 { font-size: 24px; font-weight: 800; }
p { margin: 0; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.sec-head p { color: var(--muted); max-width: 440px; }
.eyebrow { font: 700 13px var(--display); font-stretch: 110%; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal); }
.fine { font-size: 14px; color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 8px;
  font: 600 16px var(--body); text-decoration: none; cursor: pointer; border: 2px solid var(--teal); transition: background .15s, color .15s; }
.btn-solid { background: var(--teal); color: #fff; }
.btn-solid:hover { background: var(--teal-dk); border-color: var(--teal-dk); color: #fff; }
.btn-line { background: transparent; color: var(--teal); }
.btn-line:hover { background: var(--teal); color: #fff; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 15px; }
.btn-wide { width: 100%; }
.btn.is-off { background: var(--paper-2); border-color: var(--line); color: var(--muted); cursor: not-allowed; }
.btn:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible, .table-box:focus-visible {
  outline: 3px solid var(--sun); outline-offset: 2px; }

.testmode { background: var(--sun); color: var(--ink); text-align: center; font: 600 14px var(--body); padding: 8px 16px; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(243, 245, 242, 0.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.wordmark { font: 850 24px var(--display); font-stretch: 78%; letter-spacing: -0.02em; color: var(--ink); white-space: nowrap; }
.kicker { font-weight: 700; font-stretch: 125%; font-size: 0.48em; letter-spacing: 0.3em; color: var(--teal); margin-left: 8px; vertical-align: 0.2em; }
nav { display: flex; align-items: center; gap: 22px; }
nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; }
nav a:not(.btn):hover { color: var(--teal); }

/* Hero */
.hero { padding: 72px 0 80px; }
.hero-in { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(44px, 6.4vw, 80px); font-weight: 850; font-stretch: 76%; margin: 16px 0 22px; }
.lede { font-size: 19px; color: #2d433b; max-width: 560px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 14px; }

.ledger { position: relative; margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px 22px;
  box-shadow: 0 1px 0 var(--line), 0 18px 40px -24px rgba(16, 35, 30, 0.35); }
.ledger figcaption { display: flex; flex-direction: column; gap: 2px; padding-bottom: 14px; border-bottom: 2px solid var(--ink); }
.ledger figcaption span { font: 700 12px var(--display); font-stretch: 110%; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.ledger figcaption b { font: 800 22px var(--display); font-stretch: 85%; }
.ledger dl { margin: 0; }
.ledger dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.ledger dt { font-size: 15px; color: #2d433b; }
.ledger dd { margin: 0; font: 800 26px var(--display); font-stretch: 85%; font-variant-numeric: tabular-nums; }
.ledger .minus dd { color: var(--muted); }
.ledger .total { border-bottom: 2px solid var(--ink); }
.ledger .total dt { font-weight: 600; color: var(--ink); }
.ledger .total dd { font-size: 44px; color: var(--teal); }
.ledger-note { font-size: 13px; color: var(--muted); padding-top: 12px; }
.stamp { position: absolute; top: -18px; right: -14px; transform: rotate(8deg); border: 3px solid var(--sun); color: #8a5a00; background: #fff8e8;
  font: 900 18px var(--display); font-stretch: 120%; letter-spacing: 0.2em; padding: 6px 12px 6px 16px; border-radius: 6px; }

/* How */
.how { padding: 0 0 24px; }
.steps { list-style: none; margin: 0; padding: 28px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; border-top: 1px solid var(--line); counter-reset: s; }
.steps li { counter-increment: s; display: flex; flex-direction: column; gap: 6px; }
.steps li::before { content: "0" counter(s); font: 800 15px var(--display); font-stretch: 110%; color: var(--teal); letter-spacing: 0.08em; }
.steps b { font: 800 19px var(--display); font-stretch: 85%; }
.steps span { font-size: 15px; color: var(--muted); }

/* Segment cards */
.lists { background: var(--paper-2); }
.seg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.seg { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.seg-top { display: flex; justify-content: space-between; align-items: start; gap: 12px; }
.seg-count { text-align: right; flex-shrink: 0; }
.seg-count b { display: block; font: 850 40px/1 var(--display); font-stretch: 80%; color: var(--teal); font-variant-numeric: tabular-nums; }
.seg-count span { font-size: 12px; color: var(--muted); }
.seg p { font-size: 15px; color: #2d433b; }
.seg .seg-mix { font-size: 13px; color: var(--muted); text-transform: none; min-height: 1em; }
.seg-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.seg-actions .btn { min-height: 44px; font-size: 15px; padding: 0 16px; }

/* Preview */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tab { min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: 500 14px var(--body); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.tab:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }
.table-box { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; }
table { border-collapse: collapse; width: 100%; min-width: 900px; font-size: 14px; }
th { text-align: left; font: 700 12px var(--display); font-stretch: 110%; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  padding: 14px 16px; border-bottom: 1px solid var(--line); background: #fafbfa; }
td { padding: 12px 16px; border-bottom: 1px solid #edf1ee; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.biz { font-weight: 600; }
td.when { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--muted); }
th.lock { background: #fff8e8; color: #7a5200; }
td.lock { background: #fffcf4; color: #7a5200; font-size: 13px; white-space: nowrap; }
.chip { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--paper-2); color: var(--ink); white-space: nowrap; }

/* Fields */
.fields { padding-top: 24px; }
.fields-in { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; border-top: 1px solid var(--line); padding-top: 56px; }
.fields h2 { font-size: 30px; margin-bottom: 18px; }
.ticks, .crosses { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ticks li, .crosses li { position: relative; padding-left: 30px; font-size: 16px; }
.ticks li::before, .crosses li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.ticks li::before { content: "\2713"; color: var(--teal); }
.crosses li::before { content: "\2013"; color: var(--muted); }

/* Pricing */
.pricing { background: var(--ink); color: var(--paper); }
.pricing-in { display: grid; grid-template-columns: 420px 1fr; gap: 64px; align-items: center; }
.price-card { background: var(--card); color: var(--ink); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 14px; }
.price { display: flex; align-items: baseline; gap: 6px; }
.price b { font: 850 72px/1 var(--display); font-stretch: 78%; }
.price span { color: var(--muted); }
.price-card label { font-weight: 600; font-size: 14px; margin-top: 6px; }
select, input { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid #b9c6bf; border-radius: 8px; background: #fff; color: var(--ink); font: 400 16px var(--body); }
.pricing-side h2 { color: #fff; margin-bottom: 16px; }
.pricing-side p { color: #c3d1ca; font-size: 18px; max-width: 480px; margin-bottom: 24px; }
.pricing-side .btn-line { color: #fff; border-color: var(--sun); }
.pricing-side .btn-line:hover { background: var(--sun); color: var(--ink); }
.pricing-side .manage { font-size: 15px; margin: 28px 0 0; }
.pricing-side a:not(.btn) { color: var(--sun); }

/* Sample form */
.sample-in { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.sample h2 { margin-bottom: 16px; }
.sample p { color: #2d433b; max-width: 440px; }
form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; font-size: 14px; }
form .btn, .form-msg { grid-column: 1 / -1; }
.form-msg { font-size: 15px; min-height: 1.4em; }
.form-msg.ok { color: var(--teal); font-weight: 600; }
.form-msg.err { color: #a3261b; font-weight: 600; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* FAQ */
.faq { background: var(--paper-2); }
.faq h2 { margin-bottom: 24px; }
details { border-bottom: 1px solid var(--line); max-width: 820px; }
summary { cursor: pointer; padding: 18px 0; font: 700 19px var(--display); font-stretch: 90%; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--teal); font-size: 24px; line-height: 1; }
details[open] summary::after { content: "\2013"; }
details p { padding: 0 0 20px; color: #2d433b; max-width: 720px; }

/* Footer */
.foot { background: var(--ink); color: #a9bbb3; padding: 40px 0; font-size: 14px; }
.foot-in { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot .wordmark { color: var(--paper); }
.wordmark-sm { font-size: 20px; }
.foot .kicker { color: var(--sun); }
.foot p { margin-top: 6px; }
.foot-links { display: flex; flex-direction: column; gap: 6px; text-align: right; max-width: 460px; }
.foot a { color: var(--paper); }

/* Thanks */
.thanks { min-height: 100vh; display: flex; align-items: center; }
.thanks-in { max-width: 680px; display: flex; flex-direction: column; gap: 20px; align-items: start; }
.thanks h1 { font-size: clamp(48px, 8vw, 84px); font-weight: 850; }

@media (max-width: 960px) {
  .hero-in, .pricing-in, .sample-in, .fields-in { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr 1fr; }
  nav a:not(.btn) { display: none; }
  .foot-links { text-align: left; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  section { padding: 60px 0; }
  .hero { padding: 44px 0 56px; }
  .steps { grid-template-columns: 1fr; }
  .seg-grid { grid-template-columns: 1fr; }
  form { grid-template-columns: 1fr; padding: 20px; }
  .wordmark { font-size: 20px; }
  .ledger { padding: 22px 20px 18px; }
  .stamp { right: 8px; }
  .price-card { padding: 24px; }
}