:root {
  --white-100: #ffffff;
  --primary-background: #ffffff;
  --secondary-background: #fafafb;
  --dark-background: #000;
  --primary-foreground: #1c1d1f;
  --secondary-foreground: #6f7988;
  --tertiary-foreground: #9aa3b2;
  --subtle-stroke: #d3d8df;
  --faint-stroke: #e4e7ec;
  --dark-stroke: #2e3238;
  --dark-stroke-faint: #1f2126;
  --brand-text: #245bc2;
  --brand-subtle: #e8f0ff;
  --btn-primary-bg: #1b1c1f;
  --btn-primary-bg-hover: #2e3238;
  --btn-primary-border: rgba(80, 89, 103, 0.5);
  --btn-primary-text: #edeff3;
  --nav-h: 52px;
  --hair: 0.8px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --faq-ease: cubic-bezier(0.32, 0.72, 0, 1);
  --faq-spring: cubic-bezier(0.34, 1.46, 0.5, 1);
  --gutter: 24px;
  --container: 1424px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--primary-background);
  color: var(--primary-foreground);
  font-family: "BDO Grotesk", "Helvetica Neue", Helvetica, Arial, ui-sans-serif,
    system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

a:focus,
button:focus,
summary:focus {
  outline: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

.bleed {
  width: 100%;
  padding-inline: var(--gutter);
}

.rails {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  border-inline: var(--hair) solid var(--subtle-stroke);
}

.inner {
  padding-inline: clamp(24px, 4.2vw, 58px);
}

.pad {
  padding-block: clamp(72px, 7.6vw, 112px);
}

.kicker {
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tertiary-foreground);
}

.shead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  max-width: 900px;
}

.h2 {
  font-weight: 500;
  font-size: clamp(28px, 2.78vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.h2 .muted {
  color: var(--secondary-foreground);
}

.h3 {
  font-weight: 500;
  font-size: clamp(20px, 1.6vw, 23px);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.lead {
  font-size: 18px;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--secondary-foreground);
  max-width: 62ch;
}

.body {
  font-size: 15px;
  line-height: 1.5;
  color: var(--secondary-foreground);
  max-width: 68ch;
}

.stack {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.points {
  margin-top: clamp(36px, 4vw, 52px);
  border-top: var(--hair) solid var(--faint-stroke);
}

.point {
  display: grid;
  gap: 6px;
  padding-block: 22px;
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding-inline: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: -0.005em;
  border: var(--hair) solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.3s var(--ease), background-color 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.btn svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.btn--primary {
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-border);
  color: var(--btn-primary-text);
  box-shadow: 0 1px 2px rgba(16, 16, 16, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.btn--outline {
  background: #fff;
  border-color: var(--subtle-stroke);
  color: var(--primary-foreground);
  box-shadow: 0 1px 2px rgba(16, 16, 16, 0.04);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 92;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.site-header__in {
  max-width: var(--container);
  margin-inline: auto;
  height: var(--nav-h);
  padding-inline: clamp(16px, 2vw, 28px);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
}

.brand {
  display: flex;
  align-items: center;
  flex: none;
  height: 100%;
  line-height: 0;
}

.brand img {
  height: 24px;
  width: auto;
  transform: translateY(-1px);
}

.brand .mark--light {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 22px);
  height: 100%;
  margin-left: 6px;
}

.site-nav a {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--primary-foreground);
  padding: 6px 4px;
}

.site-header__cta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  width: 34px;
  height: 34px;
  padding: 0;
  flex: none;
  align-items: center;
  justify-content: center;
  border: var(--hair) solid var(--subtle-stroke);
  border-radius: 9px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle svg {
  width: 16px;
  height: 16px;
}

.nav-toggle .menu-icon--close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .menu-icon--open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .menu-icon--close {
  display: block;
}

.mobile-nav {
  display: grid;
  padding: 4px clamp(16px, 2vw, 28px) 14px;
  border-top: var(--hair) solid var(--faint-stroke);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a:not(.btn) {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 12px 2px;
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.mobile-nav .btn {
  width: 100%;
  height: 38px;
  margin-top: 14px;
}

.cmp {
  margin-top: clamp(40px, 4vw, 56px);
  border: var(--hair) solid var(--subtle-stroke);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 25, 40, 0.04);
}

.cmp__row {
  display: grid;
  grid-template-columns: minmax(120px, 0.85fr) minmax(0, 1.25fr) minmax(
      0,
      1.25fr
    );
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.cmp__row:last-child {
  border-bottom: 0;
}

.cmp__row--head {
  background: var(--secondary-background);
}

.cmp__row--head > div {
  padding: 14px clamp(16px, 1.6vw, 24px);
}

.cmp__row > div {
  padding: 18px clamp(16px, 1.6vw, 24px);
}

.cmp__row > div + div {
  border-left: var(--hair) solid var(--faint-stroke);
}

.cmp__h {
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tertiary-foreground);
  display: flex;
  align-items: center;
  gap: 7px;
}

.cmp__h--brand {
  color: var(--brand-text);
}

.cmp__h--brand img {
  height: 21px;
  width: auto;
  padding: 4px;
  border-radius: 5px;
  background: #000;
}

.cmp__k {
  font-size: 14px;
  font-weight: 500;
  color: var(--tertiary-foreground);
}

.cmp__a {
  font-size: 15px;
  color: var(--secondary-foreground);
  line-height: 1.4;
}

.cmp__b {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}

.cmpm {
  display: none;
  flex-direction: column;
  margin-top: clamp(40px, 4vw, 56px);
  border: var(--hair) solid var(--subtle-stroke);
  border-radius: 14px;
  background: #fff;
}

.cmpm__headrow {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  padding: 14px 16px;
  background: var(--secondary-background);
  border-bottom: var(--hair) solid var(--subtle-stroke);
}

.cmpm__tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "Geist Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tertiary-foreground);
}

.cmpm__tag--brand {
  color: var(--brand-text);
  padding-left: 12px;
  border-left: var(--hair) solid var(--subtle-stroke);
}

.cmpm__tag--brand img {
  height: 18px;
  width: auto;
  padding: 3px;
  border-radius: 4px;
  background: #000;
}

.cmpm__row {
  padding: 16px;
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.cmpm__row:last-child {
  border-bottom: 0;
}

.cmpm__h {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: "Geist Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.cmpm__h::before,
.cmpm__h::after {
  content: "";
  flex: 1;
  height: var(--hair);
  background: var(--faint-stroke);
}

.cmpm__pair {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
}

.cmpm__side p {
  font-size: 14px;
  color: var(--secondary-foreground);
  line-height: 1.4;
}

.cmpm__side + .cmpm__side {
  border-left: var(--hair) solid var(--faint-stroke);
  padding-left: 12px;
}

.cmpm__side--eng p {
  color: var(--primary-foreground);
  font-weight: 500;
}

.faq {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 64px);
  align-items: start;
  margin-top: clamp(36px, 3.6vw, 52px);
}

.faq__aside {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.faq__list {
  border-top: var(--hair) solid var(--subtle-stroke);
}

.faq__item {
  border-bottom: var(--hair) solid var(--subtle-stroke);
}

.faq__q {
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  padding-block: clamp(18px, 1.8vw, 24px);
  font-size: clamp(17px, 1.35vw, 19px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.faq__q::-webkit-details-marker {
  display: none;
}

.faq__q::marker {
  content: "";
}

.faq__sign {
  position: relative;
  margin-left: auto;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: var(--hair) solid var(--subtle-stroke);
  background: #fff;
}

.faq__sign::before,
.faq__sign::after {
  content: "";
  position: absolute;
  left: 7px;
  right: 7px;
  top: 50%;
  border-top: 1.4px solid var(--secondary-foreground);
}

.faq__sign::after {
  transform: rotate(-90deg);
}

.faq__item[open] .faq__q {
  padding-bottom: 8px;
}

.faq__item[open] .faq__sign {
  background: var(--brand-subtle);
  border-color: transparent;
}

.faq__item[open] .faq__sign::before,
.faq__item[open] .faq__sign::after {
  border-top-color: var(--brand-text);
}

.faq__item[open] .faq__sign::after {
  opacity: 0;
}

.faq__a p {
  padding-bottom: clamp(20px, 2vw, 26px);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.5;
  color: var(--secondary-foreground);
}

.site-footer {
  background: #000;
  color: #edeff3;
  border-top: var(--hair) solid var(--dark-stroke);
}

.site-footer .rails {
  border-color: var(--dark-stroke-faint);
}

.footer__in {
  display: grid;
  grid-template-columns: minmax(200px, 1.3fr) repeat(3, minmax(0, 1fr));
  gap: 40px 32px;
  padding-block: clamp(48px, 5vw, 72px);
}

.footer__brand {
  --lock-h: 26px;
  display: grid;
  gap: 10px;
  align-content: start;
  width: max-content;
}

.footer__brand img.lock {
  width: calc(var(--lock-h) * 194 / 44);
  height: auto;
}

.footer__by {
  display: flex;
  align-items: center;
  gap: 4px;
  width: max-content;
}

.footer__by .kicker {
  flex: none;
  font-size: 13px;
  line-height: 1;
  color: #5c6676;
  letter-spacing: 0;
  text-transform: none;
  font-family: "BDO Grotesk", sans-serif;
  font-weight: 400;
}

.footer__by a {
  display: flex;
  align-items: center;
  line-height: 0;
}

.footer__by img {
  display: block;
  width: auto;
  height: 24px;
  margin-left: -4px;
  opacity: 0.88;
  filter: brightness(0) invert(1);
}

.fcol {
  display: grid;
  gap: 12px;
  align-content: start;
}

.fcol__h {
  font-size: 14px;
  font-weight: 500;
  color: #6f7988;
  letter-spacing: -0.01em;
}

.fcol a {
  font-size: 14px;
  color: #c6ccd7;
  letter-spacing: -0.01em;
}

.footer__base {
  border-top: var(--hair) solid var(--dark-stroke-faint);
  padding-block: 22px;
  display: flex;
  justify-content: center;
  text-align: center;
}

.footer__base p {
  font-size: 13px;
  color: #6f7988;
}

@media (min-width: 901px) {
  .mobile-nav {
    display: none;
  }
  .brand img {
    height: 26px;
  }
  .footer__brand {
    --lock-h: 30px;
  }
}

@media (max-width: 1100px) {
  .footer__in {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.book {
  position: fixed;
  inset: 0;
  z-index: 111;
  display: grid;
  place-items: center;
  padding: var(--gutter);
}

.book[hidden] {
  display: none;
}

.book__veil {
  position: absolute;
  inset: 0;
  background: rgba(14, 16, 22, 0.52);
  backdrop-filter: blur(6px) saturate(0.9);
  -webkit-backdrop-filter: blur(6px) saturate(0.9);
}

.book__card {
  position: relative;
  width: min(1080px, 100%);
  max-height: calc(100dvh - var(--gutter) * 2);
  background: #fff;
  border: var(--hair) solid var(--faint-stroke);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 1px rgba(16, 16, 16, 0.04),
    0 8px 20px -10px rgba(16, 16, 16, 0.18),
    0 42px 90px -32px rgba(16, 16, 16, 0.42);
}

.book__head {
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 52px;
  padding: 0 12px 0 18px;
  border-bottom: var(--hair) solid var(--faint-stroke);
}

.book__head img {
  height: 18px;
  width: auto;
}

.book__head span {
  font-size: 15px;
  font-weight: 500;
  line-height: 18px;
  letter-spacing: -0.01em;
}

.book__x {
  margin-left: auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: var(--hair) solid transparent;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  color: var(--tertiary-foreground);
}

.book__frame {
  width: 100%;
  min-height: 520px;
  background: #fff;
  overflow: auto;
}

.book__frame iframe {
  display: block;
  width: 100%;
  border: 0;
}

.shead.faq-page + .faq__list {
  margin-top: clamp(36px, 4vw, 52px);
}

@media (max-width: 620px) {
  .book {
    padding: 0;
  }
  .book__card {
    width: 100%;
    height: 100dvh;
    max-height: none;
    border: 0;
    border-radius: 0;
  }
  .book__frame {
    flex: 1 1 auto;
    min-height: 0;
  }
}

@media (max-width: 900px) {
  :root {
    --gutter: 16px;
  }
  .site-header__in {
    padding-inline: var(--gutter);
  }
  .inner {
    padding-inline: 0;
  }
  .site-nav {
    display: none;
  }
  .site-header__cta .btn--outline {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .cmp {
    display: none;
  }
  .cmpm {
    display: flex;
  }
  .faq {
    grid-template-columns: 1fr;
  }
  .footer__in {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 18px;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }

  .rails,
  .site-footer .rails {
    border-inline: 0;
  }
}