/* Company pages: /security/, /about/, /compliance/, /contact/, /accessibility/ and /404.html.
   Every class is prefixed co-. Trust pages: calm surfaces, one illustration per page. */

/* ---- Shared: the light page hero's brand slab, a touch richer ---- */
.co-page-hero::after {
  background: linear-gradient(
    160deg,
    var(--blue-200) 0%,
    var(--lilac-100) 55%,
    rgba(233, 229, 255, 0) 100%
  );
}

/* ---- Security: dark hero ---- */
.co-hero {
  padding-bottom: 128px;
}
.co-hero__grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}
.co-hero__title {
  font-size: clamp(44px, 5.4vw, 72px);
}
.co-crumb,
.co-crumb a {
  color: var(--ink-300);
}
.co-crumb a:hover {
  color: var(--text-inverse);
}
.co-hero__slabs {
  opacity: 0.55;
}

/* Where card data goes: payer → secure card fields → Tuppence (a token only). */
.co-vault {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 520px;
  margin-left: auto;
}
.co-flow {
  display: grid;
  grid-template-columns: auto minmax(16px, 1fr) auto minmax(16px, 1fr) auto;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}
.co-flow__node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  font-size: var(--fs-label);
  color: var(--ink-100);
  white-space: nowrap;
}
.co-flow__node b {
  font-weight: 600;
}
.co-flow__node .icon {
  color: var(--ink-300);
}
.co-flow__node--fields {
  background: rgba(102, 128, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(147, 165, 255, 0.45);
}
.co-flow__node--fields .icon {
  color: var(--blue-200);
}
.co-flow__node--tp {
  background: var(--surface-card);
  color: var(--ink-900);
}
.co-flow__line {
  position: relative;
  height: 2px;
  margin: 0 6px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.35) 0 6px,
    transparent 6px 10px
  );
}
.co-flow__line i {
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--blue-200);
  box-shadow: 0 0 10px rgba(147, 165, 255, 0.9);
  animation: co-travel 3.2s cubic-bezier(0.45, 0, 0.55, 1) 4;
}
.co-flow__line--token i {
  background: var(--mint-300);
  box-shadow: 0 0 10px rgba(77, 226, 195, 0.9);
  animation-delay: 1.6s;
}
@keyframes co-travel {
  0% {
    left: 0;
    opacity: 0;
  }
  15%,
  85% {
    opacity: 1;
  }
  100% {
    left: calc(100% - 8px);
    opacity: 0;
  }
}
.co-vault__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px;
  border-radius: 22px;
  background: var(--surface-card);
  color: var(--ink-900);
  box-shadow: 0 40px 80px -24px rgba(5, 8, 30, 0.6);
}
.co-vault__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
}
.co-vault__row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--ink-100);
}
.co-vault__row b {
  display: block;
  font-size: var(--fs-label);
}
.co-vault__row small {
  display: block;
  font-size: var(--fs-caption);
  color: var(--ink-500);
}
.co-vault__row code {
  font-size: 0.95em;
  padding: 0 4px;
}
.co-vault__ic {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--blue-50);
  color: var(--blue-600);
}
.co-vault__tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-caption);
  font-weight: 600;
  background: var(--blue-50);
  color: var(--blue-700);
}
.co-vault__row--no b {
  text-decoration: line-through;
  text-decoration-color: var(--ink-300);
  text-decoration-thickness: 1.5px;
}
.co-vault__row--no .co-vault__ic {
  background: var(--sunrise-50);
  color: var(--sunrise-700);
}
.co-vault__row--no .co-vault__tag {
  background: var(--ink-50);
  color: var(--ink-600);
}
/* What Tuppence keeps of a card: a brand and four digits. */
.co-vault__card {
  position: absolute;
  right: 64px;
  bottom: -118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 190px;
  aspect-ratio: 1.586;
  padding: 14px 16px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--blue-600), var(--ink-900));
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-inverse);
  transform: rotate(-6deg);
  box-shadow: 0 24px 50px -16px rgba(0, 0, 0, 0.6);
}
.co-vault__brand {
  align-self: flex-end;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.02em;
}
.co-vault__mask {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-200);
}

/* Spec lists (card data, fraud, infrastructure): each control in its own quiet tile. */
.co-spec {
  gap: 16px;
}
.co-spec > div {
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 22px;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.co-spec > div:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-md);
}
.co-spec .icon {
  box-sizing: content-box;
  padding: 10px;
  border-radius: 12px;
  background: var(--blue-50);
  margin: 0;
}
.co-spec > div:nth-child(3n + 2) .icon {
  background: var(--mint-50);
  color: var(--mint-700);
}
.co-spec > div:nth-child(3n + 3) .icon {
  background: var(--lilac-100);
  color: var(--lilac-700);
}
.co-spec h3 {
  align-self: center;
}
.co-spec--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.section--cloud .co-spec > div {
  border-color: transparent;
}

/* Account controls: tiles with a coloured rule. */
.co-tiles .card {
  position: relative;
  overflow: hidden;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}
.co-tiles .card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--mint-500));
  opacity: 0;
  transition: opacity 0.2s ease;
}
.co-tiles .card:hover::before {
  opacity: 1;
}

/* Certifications: the placeholders read as pending, not as achieved. */
.co-certs .card {
  border-style: dashed;
  border-color: var(--ink-300);
  background: transparent;
}

/* Responsible disclosure */
.co-disclose {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: 48px;
  border-radius: var(--radius-panel);
  background: var(--gradient-hero);
  color: var(--text-inverse);
}
.co-disclose::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: radial-gradient(50% 80% at 95% 0%, rgba(0, 209, 167, 0.3), transparent 70%);
}
.co-disclose .eyebrow {
  color: var(--mint-300);
}
.co-disclose .h2 {
  margin: 10px 0 12px;
}
.co-disclose .lead {
  max-width: 640px;
  color: var(--ink-200);
  font-size: var(--fs-body);
}
.co-disclose .lead a {
  color: var(--mint-300);
}
.co-disclose__icon {
  display: grid;
  place-items: center;
  align-self: start;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--mint-300);
}

/* ---- About: the coin ---- */
.co-coinstage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: 400px;
  border-radius: var(--radius-panel);
  background: var(--gradient-hero);
}
.co-coinstage::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: radial-gradient(45% 55% at 50% 50%, rgba(0, 209, 167, 0.28), transparent 70%);
}
.co-coinstage__slabs {
  right: -40px;
  top: -20px;
  opacity: 0.7;
}
.co-coin {
  position: relative;
  display: grid;
  place-items: center;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: conic-gradient(
    from 200deg,
    var(--mint-200),
    var(--mint-500),
    var(--blue-400),
    var(--mint-300),
    var(--mint-200)
  );
  box-shadow:
    0 40px 80px -24px rgba(0, 0, 0, 0.6),
    inset 0 0 0 6px rgba(255, 255, 255, 0.25);
}
.co-coin__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  font: 600 11px var(--font-sans);
  letter-spacing: 0.24em;
  fill: rgba(11, 16, 32, 0.6);
}
.co-coin__face {
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--mint-100), var(--mint-400) 70%);
  box-shadow:
    inset 0 4px 10px rgba(255, 255, 255, 0.6),
    inset 0 -6px 14px rgba(0, 77, 63, 0.35);
}
.co-coin__face b {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--ink-900);
}
.co-coinstage__chip {
  position: absolute;
  left: 24px;
  top: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, 0.5);
  font-size: var(--fs-caption);
  color: var(--ink-500);
}
.co-coinstage__chip strong {
  display: block;
  font-size: var(--fs-label);
  color: var(--ink-900);
}
.co-coinstage__chip--back {
  left: auto;
  top: auto;
  right: 24px;
  bottom: 28px;
}
.co-coinstage__chip .ui-row__icon {
  width: 34px;
  height: 34px;
}

/* Values: quiet cards with a numbered rhythm */
.co-values {
  counter-reset: co-value;
}
.co-values .card {
  position: relative;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}
.co-values .card::after {
  counter-increment: co-value;
  content: "0" counter(co-value);
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-300);
  font-variant-numeric: tabular-nums;
}

/* Company details */
.co-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px;
  border-radius: var(--radius-panel);
  background: var(--ink-50);
  border: 1px solid var(--ink-100);
}
.co-facts p {
  color: var(--text-secondary);
  font-size: var(--fs-label);
}
.co-facts__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-card);
  color: var(--blue-600);
  box-shadow: var(--shadow-sm);
}

/* ---- Compliance: at a glance ---- */
.co-glance {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.co-glance li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--ink-100);
}
.co-glance .card__icon {
  flex: none;
  width: 42px;
  height: 42px;
}
.co-glance b {
  display: block;
  font-size: var(--fs-label);
  color: var(--ink-900);
}
.co-glance small {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--ink-600);
}

/* ---- Contact ---- */
.co-contact .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.co-contact .card p,
.co-contact address {
  color: var(--text-secondary);
}
.co-contact address {
  font-style: normal;
  line-height: 1.6;
}
.co-contact .link-arrow {
  margin-top: auto;
  padding-top: 8px;
  word-break: break-word;
}
.co-contact__lead {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--gradient-hero);
  border-color: transparent;
  color: var(--text-inverse);
}
.co-contact__lead::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 60%;
  height: 90%;
  right: -28%;
  top: -50%;
  border-radius: var(--radius-panel);
  transform: skewY(-22deg);
  background: linear-gradient(160deg, var(--mint-300), var(--mint-500));
  opacity: 0.3;
}
.co-contact .co-contact__lead p {
  color: var(--ink-200);
}
.co-contact__lead strong {
  color: var(--text-inverse);
}
.co-contact__lead .card__icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--mint-300);
}
.co-contact__lead .link-arrow {
  color: var(--mint-300);
}
.co-contact__post {
  background: var(--ink-50);
  border-style: dashed;
}

/* ---- 404: a receipt from the lost-and-found counter ---- */
.co-nf__grid {
  align-items: center;
}
.co-nf__art {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 480px;
}
.co-nf__slabs {
  width: 460px;
  height: 400px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.9;
}
.co-nf__receipt {
  width: 300px;
  padding-bottom: 34px;
  transform: rotate(-4deg);
  filter: drop-shadow(0 30px 40px rgba(11, 16, 32, 0.22));
  animation: co-sway 7s ease-in-out infinite;
}
@keyframes co-sway {
  0%,
  100% {
    transform: rotate(-4deg) translateY(0);
  }
  50% {
    transform: rotate(-2.5deg) translateY(-8px);
  }
}
.co-nf__receipt .receipt__shop {
  font-size: 17px;
  letter-spacing: -0.01em;
}
.co-nf__stamp {
  align-self: center;
  margin: 10px 0 4px;
  padding: 4px 14px;
  border: 2px solid var(--sunrise-500);
  border-radius: 6px;
  color: var(--sunrise-600);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transform: rotate(-8deg);
  opacity: 0.85;
}
.co-nf__barcode {
  height: 34px;
  margin: 8px 12px 0;
  background: repeating-linear-gradient(
    90deg,
    var(--ink-900) 0 2px,
    transparent 2px 4px,
    var(--ink-900) 4px 5px,
    transparent 5px 8px,
    var(--ink-900) 8px 11px,
    transparent 11px 12px
  );
  opacity: 0.85;
}
.co-nf__float {
  left: 0;
  top: 44%;
}
@media (min-width: 901px) {
  .co-nf__receipt {
    justify-self: end;
    margin-right: 6%;
  }
}
.co-nf__more {
  padding-top: 0;
}
.co-nf__more .conv-subhead {
  margin-bottom: 16px;
}
.co-nf__links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.co-nf__links a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--ink-100);
  color: var(--ink-900);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}
.co-nf__links a:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.co-nf__links .card__icon {
  width: 42px;
  height: 42px;
}
.co-nf__links b {
  display: block;
  font-size: var(--fs-body);
}
.co-nf__links small {
  display: block;
  font-size: var(--fs-caption);
  color: var(--ink-500);
}
.co-nf__links a > .icon {
  color: var(--ink-400);
}

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .co-nf__float {
    display: none;
  }
}
@media (max-width: 1100px) {
  .co-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .co-vault {
    margin: 0 auto;
  }
  .co-spec--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .co-disclose {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .co-disclose .btn {
    grid-column: 2;
    justify-self: start;
  }
}
@media (max-width: 900px) {
  .co-spec--3,
  .co-glance,
  .co-nf__links {
    grid-template-columns: minmax(0, 1fr);
  }
  .co-nf__art {
    min-height: 420px;
  }
}
@media (max-width: 640px) {
  .co-flow {
    grid-template-columns: auto minmax(10px, 1fr) auto minmax(10px, 1fr) auto;
    padding: 10px;
  }
  .co-flow__node {
    gap: 6px;
    padding: 6px 8px;
    font-size: var(--fs-caption);
  }
  .co-flow__node .icon,
  .co-flow__node img {
    display: none;
  }
  .co-flow__line {
    margin: 0 4px;
  }
  .co-vault__panel {
    padding: 16px;
  }
  .co-vault__card {
    display: none;
  }
  .co-disclose {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 32px 22px;
  }
  .co-disclose .btn {
    grid-column: auto;
  }
  .co-coinstage {
    min-height: 360px;
  }
  .co-coin {
    width: 180px;
    height: 180px;
  }
  .co-coin__face {
    width: 120px;
    height: 120px;
  }
  .co-coin__face b {
    font-size: 52px;
  }
  .co-coinstage__chip {
    left: 14px;
    top: 14px;
  }
  .co-coinstage__chip--back {
    left: auto;
    top: auto;
    right: 14px;
    bottom: 14px;
  }
  .co-nf__receipt {
    width: 260px;
  }
  .co-nf__slabs {
    width: 320px;
    height: 300px;
  }
}