/*
 * PurchaseCheck temporary landing page.
 * Palette comes from the product mark: deep ink, verdigris for what the
 * evidence supports, ochre for the gap between promise and reality.
 */
:root {
  --ink: #121c21;
  --slate: #1a282e;
  --slate-2: #223238;
  --line: #2e4148;
  --paper: #eef3f1;
  --fog: #a3b4b8;
  --verdigris: #72b5a4;
  --verdigris-deep: #2f6b5e;
  --ochre: #d9a45e;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --radius-s: 8px;
  --radius-l: 18px;
  --max: 1120px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--verdigris);
  text-underline-offset: 3px;
}
a:hover {
  color: var(--paper);
}
:focus-visible {
  outline: 2px solid var(--verdigris);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 16px;
  top: 12px;
  background: var(--paper);
  color: var(--ink);
  padding: 8px 12px;
  z-index: 10;
}

/* ---------- header ---------- */
.site-header {
  padding: 22px 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.25rem;
}
.brand img {
  width: 34px;
  height: 34px;
}
.site-nav {
  display: flex;
  gap: 22px;
  font-size: 0.9375rem;
}
.site-nav a {
  color: var(--fog);
  text-decoration: none;
}
.site-nav a:hover {
  color: var(--paper);
}

/* ---------- hero ---------- */
.hero {
  padding: 56px 0 88px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: center;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fog);
  font-size: 0.875rem;
}
.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--verdigris);
  box-shadow: 0 0 0 4px rgba(114, 181, 164, 0.18);
}
.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 13ch;
}
.lead {
  margin: 26px 0 34px;
  max-width: 52ch;
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--fog);
}

.waitlist {
  max-width: 520px;
}
.waitlist label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9375rem;
}
.waitlist-row {
  display: flex;
  gap: 10px;
}
.waitlist input[type="email"] {
  flex: 1;
  min-width: 0;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--slate);
  color: var(--paper);
  font: inherit;
}
.waitlist input[type="email"]::placeholder {
  color: #6f8288;
}
.button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--verdigris);
  border-radius: var(--radius-s);
  background: var(--verdigris);
  color: var(--ink);
  font: 650 1rem/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.button:hover {
  background: #8cc6b7;
  color: var(--ink);
}
.button:disabled {
  opacity: 0.6;
  cursor: progress;
}
.button--quiet {
  background: transparent;
  color: var(--verdigris);
}
.button--quiet:hover {
  background: rgba(114, 181, 164, 0.12);
  color: var(--paper);
}
.hint {
  margin: 10px 0 0;
  font-size: 0.875rem;
  color: var(--fog);
}
.hp {
  position: absolute;
  left: -9999px;
}

/* The one memorable element: a listing claim measured against the evidence. */
.specimen {
  position: relative;
  padding: 26px 26px 22px;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}
.specimen-product {
  margin: 0 0 18px;
  font-size: 0.9375rem;
  color: var(--fog);
}
.specimen-product strong {
  display: block;
  color: var(--paper);
  font-weight: 600;
  font-size: 1.0625rem;
}
.claim,
.evidence {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-s);
}
.claim {
  background: var(--slate-2);
}
.evidence {
  background: rgba(217, 164, 94, 0.1);
  border: 1px solid rgba(217, 164, 94, 0.35);
}
.claim-source,
.evidence-source {
  display: block;
  font-size: 0.8125rem;
  color: var(--fog);
  margin-bottom: 4px;
}
.claim-text,
.evidence-text {
  font-family: var(--serif);
  font-size: 1.3125rem;
  line-height: 1.25;
}
.gap {
  position: relative;
  height: 46px;
  margin: 0 0 0 22px;
  border-left: 2px dashed var(--ochre);
}
.gap span {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
  color: var(--ochre);
  font-weight: 600;
}
.verdict {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.verdict p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--fog);
}
.verdict strong {
  color: var(--ochre);
  font-weight: 650;
}
.specimen-note {
  margin: 14px 0 0;
  font-size: 0.8125rem;
  color: #7d9196;
}
.specimen .gap {
  animation: draw 1.2s 0.4s ease-out both;
  transform-origin: top;
}
@keyframes draw {
  from {
    clip-path: inset(0 0 100% 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* ---------- sections ---------- */
.section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}
.section h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 22ch;
}
.section-lead {
  margin: 0 0 48px;
  max-width: 62ch;
  color: var(--fog);
  font-size: 1.0625rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  padding-top: 22px;
  border-top: 2px solid var(--verdigris-deep);
}
.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 1.75rem;
  color: var(--verdigris);
}
.steps h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 600;
}
.steps p {
  margin: 0;
  color: var(--fog);
}

.checks {
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.checks div {
  padding: 20px;
  background: var(--slate);
  border-radius: var(--radius-s);
}
.checks dt {
  font-weight: 600;
  margin-bottom: 6px;
}
.checks dd {
  margin: 0;
  color: var(--fog);
  font-size: 0.9375rem;
}

.principles {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  color: var(--fog);
  font-size: 0.9375rem;
}
.principles li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--verdigris);
  vertical-align: 2px;
}

/* ---------- pricing ---------- */
.billing-toggle {
  display: inline-flex;
  margin: 0 0 32px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.billing-toggle button {
  appearance: none;
  border: 0;
  padding: 8px 16px;
  border-radius: 999px;
  background: transparent;
  color: var(--fog);
  font: 500 0.9375rem/1 var(--sans);
  cursor: pointer;
}
.billing-toggle button[aria-pressed="true"] {
  background: var(--slate-2);
  color: var(--paper);
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}
.plan {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}
.plan--b2c {
  border-color: var(--verdigris-deep);
  box-shadow: inset 0 3px 0 var(--verdigris);
}
.plan-audience {
  margin: 0 0 6px;
  font-size: 0.875rem;
  color: var(--fog);
}
.plan h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.625rem;
}
.price {
  margin: 18px 0 4px;
  font-family: var(--serif);
  font-size: 2.75rem;
  line-height: 1;
}
.price small {
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--fog);
  margin-left: 4px;
}
.price-note {
  margin: 0 0 20px;
  min-height: 1.5em;
  font-size: 0.875rem;
  color: var(--fog);
}
.plan ul {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  flex: 1;
}
.plan li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
}
.plan li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--verdigris);
  border-bottom: 2px solid var(--verdigris);
  transform: rotate(-45deg);
}
.plan .button {
  width: 100%;
}
.pricing-notes {
  margin: 28px 0 0;
  max-width: 72ch;
  color: var(--fog);
  font-size: 0.9375rem;
}
.pricing-notes p {
  margin: 0 0 8px;
}

/* ---------- contact & footer ---------- */
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
.contact dl {
  margin: 0;
  display: grid;
  gap: 18px;
}
.contact dt {
  font-size: 0.875rem;
  color: var(--fog);
}
.contact dd {
  margin: 2px 0 0;
  font-size: 1.0625rem;
}

.site-footer {
  padding: 40px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--fog);
  font-size: 0.9375rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 32px;
}
.site-footer p {
  margin: 0;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.footer-links a {
  color: var(--fog);
}

/* ---------- legal pages ---------- */
.legal {
  padding: 40px 0 88px;
}
.legal .wrap {
  max-width: 760px;
}
.legal h1 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1.1;
}
.legal .updated {
  margin: 0 0 36px;
  color: var(--fog);
}
.legal h2 {
  margin: 40px 0 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
}
.legal p,
.legal li {
  color: #d3dddb;
  line-height: 1.7;
}
.legal ul {
  padding-left: 22px;
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .plans {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}
@media (max-width: 720px) {
  .hero {
    padding: 24px 0 64px;
  }
  .steps,
  .contact {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .section {
    padding: 72px 0;
  }
}
@media (max-width: 480px) {
  .wrap {
    padding: 0 16px;
  }
  .waitlist-row {
    flex-direction: column;
  }
  .checks {
    grid-template-columns: 1fr;
  }
  .specimen {
    padding: 20px 18px;
  }
}

/* ---------- polish: overflow safety, anchors, focus ---------- */
html,
body {
  overflow-x: clip;
}
img,
svg {
  max-width: 100%;
}
h1,
h2,
h3,
p,
dd,
li {
  overflow-wrap: break-word;
}
[id] {
  scroll-margin-top: 88px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(18, 28, 33, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.brand img {
  border-radius: 9px;
  box-shadow: 0 0 0 1px var(--line);
}
.site-nav .nav-cta {
  padding: 8px 14px;
  border: 1px solid var(--verdigris-deep);
  border-radius: 999px;
  color: var(--paper);
}
.site-nav .nav-cta:hover {
  background: rgba(114, 181, 164, 0.12);
}

/* ---------- waitlist states ---------- */
.waitlist-area {
  max-width: 520px;
  min-height: 150px;
}
.waitlist input[aria-invalid="true"] {
  border-color: var(--ochre);
}
.field-error {
  margin: 10px 0 0;
  color: var(--ochre);
  font-size: 0.9375rem;
}
.waitlist-success {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--verdigris-deep);
  border-radius: var(--radius-l);
  background: rgba(114, 181, 164, 0.08);
  outline: none;
  animation: success-in 0.35s ease-out both;
}
.waitlist-success[hidden] {
  display: none;
}
.waitlist-success:focus-visible {
  box-shadow: 0 0 0 2px var(--verdigris);
}
.success-mark {
  flex: none;
  width: 30px;
  height: 30px;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.success-mark circle {
  stroke: var(--verdigris-deep);
}
.success-mark path {
  stroke: var(--verdigris);
  stroke-dasharray: 16;
  stroke-dashoffset: 16;
  animation: tick 0.45s 0.15s ease-out forwards;
}
.success-title {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 1.375rem;
  line-height: 1.2;
}
.success-text {
  margin: 0;
  color: var(--fog);
}
@keyframes success-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes tick {
  to {
    stroke-dashoffset: 0;
  }
}

/* ---------- mobile navigation ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--paper);
  font: 500 0.9375rem/1 var(--sans);
  cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-bars {
  position: relative;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-bars::before {
  top: -5px;
}
.nav-toggle-bars::after {
  top: 5px;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 8px 16px 18px;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
  }
  .nav-open .site-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1.0625rem;
    color: var(--paper);
  }
  .site-nav .nav-cta {
    margin-top: 14px;
    padding: 14px;
    border: 0;
    border-radius: var(--radius-s);
    background: var(--verdigris);
    color: var(--ink);
    text-align: center;
    font-weight: 650;
  }
  .site-header {
    border-bottom-color: var(--line);
  }
  .site-header .wrap {
    position: static;
  }
  .verdict {
    flex-direction: column;
    gap: 4px;
  }
}

/* Tablets: pricing in two columns plus one, never squeezed. */
@media (min-width: 721px) and (max-width: 960px) {
  .plans {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
  }
  .plan--b2c {
    grid-column: 1 / -1;
  }
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}
@media (max-width: 360px) {
  .hero h1 {
    font-size: 2.3rem;
  }
  .brand span {
    font-size: 1.0625rem;
  }
  .plan {
    padding: 22px 18px;
  }
  .price {
    font-size: 2.3rem;
  }
}
.site-nav {
  align-items: center;
}
.specimen {
  margin: 0;
}