:root {
  color-scheme: dark;
  --seo-bg: #050505;
  --seo-ink: #f2f2ed;
  --seo-muted: #a2a29d;
  --seo-dim: #6d6d68;
  --seo-line: rgba(242, 242, 237, 0.16);
  --seo-line-soft: rgba(242, 242, 237, 0.08);
  --seo-glass: rgba(16, 16, 17, 0.22);
  --seo-accent: #78879a;
  --seo-font: "Arial Narrow", "Roboto Condensed", "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
  --seo-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --seo-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --seo-pad: clamp(18px, 3.2vw, 56px);
}

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

html {
  min-width: 260px;
  scroll-behavior: smooth;
  background: var(--seo-bg);
}

body {
  min-width: 260px;
  margin: 0;
  overflow-x: hidden;
  color: var(--seo-ink);
  background:
    radial-gradient(circle at 76% 8%, rgba(120, 135, 154, 0.1), transparent 25%),
    var(--seo-bg);
  font-family: var(--seo-font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body::after {
  position: fixed;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

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

:focus-visible {
  outline: 2px solid var(--seo-accent);
  outline-offset: 4px;
}

::selection {
  color: var(--seo-bg);
  background: var(--seo-ink);
}

.seo-skip {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--seo-bg);
  background: var(--seo-ink);
  font: 700 11px/1 var(--seo-mono);
  text-transform: uppercase;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.seo-skip:focus {
  transform: translateY(0);
}

.seo-grid {
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(circle, rgba(242, 242, 237, 0.18) 0 1px, transparent 1.3px),
    linear-gradient(to right, transparent calc(25% - 0.5px), var(--seo-line-soft) 25%, transparent calc(25% + 0.5px)),
    linear-gradient(to right, transparent calc(50% - 0.5px), var(--seo-line-soft) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(to right, transparent calc(75% - 0.5px), var(--seo-line-soft) 75%, transparent calc(75% + 0.5px));
  background-position: 0 0, 0 0, 0 0, 0 0;
  background-size: 28px 28px, 100% 100%, 100% 100%, 100% 100%;
  mask-image: linear-gradient(to bottom, black, rgba(0, 0, 0, 0.55) 35%, transparent 84%);
}

.seo-header,
main,
.seo-footer {
  position: relative;
  z-index: 1;
}

.seo-header {
  position: fixed;
  z-index: 30;
  top: 12px;
  right: var(--seo-pad);
  left: var(--seo-pad);
  display: grid;
  min-height: 64px;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 8px 10px 8px 18px;
  border: 1px solid var(--seo-line);
  border-radius: 22px;
  background: rgba(8, 8, 9, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 48px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px) saturate(1.08);
  -webkit-backdrop-filter: blur(16px) saturate(1.08);
}

.seo-logo {
  position: relative;
  display: block;
  width: 114px;
  height: 42px;
  overflow: visible;
}

.seo-logo img {
  position: absolute;
  top: calc(50% + 2px);
  left: 50%;
  display: block;
  width: 114px;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%);
}

.seo-header nav,
.seo-footer nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.seo-header nav a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: rgba(242, 242, 237, 0.76);
  font: 700 11px/1 var(--seo-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 240ms ease, border-color 240ms ease, background 240ms ease;
}

.seo-header nav a:last-child {
  border-color: var(--seo-line);
  color: var(--seo-ink);
  background: rgba(255, 255, 255, 0.035);
}

main {
  width: min(100%, 1540px);
  margin: 0 auto;
  padding: 0 var(--seo-pad);
}

article {
  width: 100%;
}

.seo-hero {
  position: relative;
  display: grid;
  min-height: min(900px, 100svh);
  align-content: end;
  overflow: clip;
  padding: clamp(150px, 19vh, 220px) 0 clamp(74px, 10vh, 112px);
  border-bottom: 1px solid var(--seo-line);
}

.seo-hero::before {
  position: absolute;
  top: 18%;
  right: 5%;
  width: min(30vw, 390px);
  aspect-ratio: 1;
  border: 1px solid rgba(120, 135, 154, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 32px rgba(120, 135, 154, 0.035),
    0 0 0 88px rgba(120, 135, 154, 0.018);
  content: "";
}

.seo-hero > p,
.seo-related > p,
.seo-cta p {
  margin: 0 0 22px;
  color: var(--seo-accent);
  font: 700 11px/1 var(--seo-mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.seo-hero h1 {
  position: relative;
  max-width: 1180px;
  margin: 0;
  font-size: clamp(54px, 8.2vw, 132px);
  font-weight: 440;
  line-height: 0.88;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.seo-lead {
  display: grid;
  max-width: 950px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 4vw, 70px);
  margin: clamp(44px, 6vw, 88px) 0 0 auto;
}

.seo-lead p,
.seo-copy p {
  margin: 0;
  color: var(--seo-muted);
}

.seo-lead p:first-child {
  color: var(--seo-ink);
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 40px 0 0 auto;
  width: min(950px, 100%);
}

.seo-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 0 19px;
  border: 1px solid var(--seo-line);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.018);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 12px 30px rgba(0, 0, 0, 0.16);
  font-size: 13px;
  font-weight: 700;
  transition: transform 320ms var(--seo-ease), border-color 320ms ease, background 320ms ease;
}

.seo-button--primary {
  min-width: 210px;
  color: #0a0a0b;
  border-color: rgba(216, 214, 207, 0.72);
  background: #d8d6cf;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.52), 0 14px 34px rgba(0, 0, 0, 0.22);
}

.seo-button span {
  font-size: 18px;
  font-weight: 400;
}

.seo-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--seo-line);
  list-style: none;
}

.seo-facts li {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  border-right: 1px solid var(--seo-line);
  background: rgba(255, 255, 255, 0.008);
}

.seo-facts li:first-child {
  border-left: 1px solid var(--seo-line);
}

.seo-facts strong {
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.seo-facts span {
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: clamp(80px, 10vw, 150px) 0;
  border-bottom: 1px solid var(--seo-line);
  list-style: none;
}

.seo-steps > li {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--seo-line);
  border-right: 0;
  background: var(--seo-glass);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.seo-steps > li:last-child {
  border-right: 1px solid var(--seo-line);
}

.seo-steps > li > span {
  display: block;
  margin-bottom: 66px;
  color: var(--seo-accent);
  font: 700 11px/1 var(--seo-mono);
}

.seo-steps h2,
.seo-copy h2,
.seo-faq h2,
.seo-related h2,
.seo-cta h2 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.seo-steps h2 {
  font-size: clamp(23px, 2.1vw, 34px);
}

.seo-steps p {
  margin: 16px 0 0;
  color: var(--seo-muted);
  font-size: 15px;
}

.seo-content {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0;
  padding: clamp(82px, 11vw, 170px) 0;
  border-bottom: 1px solid var(--seo-line);
}

.seo-copy {
  grid-column: 4 / 11;
  display: grid;
  grid-template-columns: minmax(180px, 0.68fr) minmax(0, 1fr);
  column-gap: clamp(28px, 5vw, 80px);
  padding: 42px 0;
  border-top: 1px solid var(--seo-line);
}

.seo-copy:last-child {
  border-bottom: 1px solid var(--seo-line);
}

.seo-copy h2 {
  grid-row: 1 / span 3;
  font-size: clamp(25px, 2.5vw, 40px);
  line-height: 1;
}

.seo-copy p + p {
  margin-top: 20px;
}

.seo-faq {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 8vw, 140px);
  padding: clamp(82px, 10vw, 150px) 0;
  border-bottom: 1px solid var(--seo-line);
}

.seo-faq > div:first-child > p {
  margin: 0 0 20px;
  color: var(--seo-accent);
  font: 700 11px/1 var(--seo-mono);
  letter-spacing: 0.1em;
}

.seo-faq h2,
.seo-related h2 {
  font-size: clamp(46px, 5.7vw, 86px);
  line-height: 0.9;
}

.seo-faq details {
  border-top: 1px solid var(--seo-line);
}

.seo-faq details:last-child {
  border-bottom: 1px solid var(--seo-line);
}

.seo-faq summary {
  display: grid;
  min-height: 84px;
  grid-template-columns: 36px 1fr 24px;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(17px, 1.4vw, 21px);
}

.seo-faq summary::-webkit-details-marker {
  display: none;
}

.seo-faq summary span {
  color: var(--seo-dim);
  font: 700 10px/1 var(--seo-mono);
}

.seo-faq summary i {
  color: var(--seo-accent);
  font-size: 22px;
  font-style: normal;
  transition: transform 320ms var(--seo-ease);
}

.seo-faq details[open] summary i {
  transform: rotate(45deg);
}

.seo-faq details p {
  max-width: 660px;
  margin: -4px 28px 0 48px;
  padding: 0 0 28px;
  color: var(--seo-muted);
  font-size: 15px;
}

.seo-related {
  padding: clamp(82px, 10vw, 150px) 0;
}

.seo-related h2 {
  margin-bottom: clamp(42px, 6vw, 82px);
}

.seo-related > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--seo-line);
}

.seo-related a {
  position: relative;
  display: flex;
  min-height: 146px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 54px 24px 24px;
  border-right: 1px solid var(--seo-line);
  border-bottom: 1px solid var(--seo-line);
  transition: background 280ms ease;
}

.seo-related a:nth-child(odd) {
  border-left: 1px solid var(--seo-line);
}

.seo-related a > span {
  color: var(--seo-accent);
  font: 700 10px/1 var(--seo-mono);
  letter-spacing: 0.08em;
}

.seo-related a strong {
  font-size: clamp(20px, 2vw, 31px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.seo-related a i {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--seo-dim);
  font-style: normal;
}

.seo-cta {
  display: flex;
  min-height: 410px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(38px, 5vw, 76px);
  border: 1px solid var(--seo-line);
  border-radius: 40px;
  background:
    radial-gradient(circle at 82% 18%, rgba(120, 135, 154, 0.18), transparent 27%),
    rgba(255, 255, 255, 0.012);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 34px 90px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.seo-cta h2 {
  font-size: clamp(52px, 7vw, 108px);
  line-height: 0.82;
}

.seo-cta div > span {
  display: block;
  margin-top: 28px;
  color: var(--seo-muted);
  font-size: 15px;
}

.seo-footer {
  display: grid;
  width: min(calc(100% - var(--seo-pad) * 2), 1540px);
  min-height: 160px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 44px;
  margin: 74px auto 0;
  padding: 30px 0 54px;
  border-top: 1px solid var(--seo-line);
}

.seo-footer > a {
  font-size: 31px;
  font-weight: 600;
  letter-spacing: -0.07em;
}

.seo-footer nav a,
.seo-footer > span {
  color: var(--seo-muted);
  font: 700 10px/1 var(--seo-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

@media (hover: hover) and (pointer: fine) {
  .seo-header nav a:hover {
    color: var(--seo-ink);
    border-color: var(--seo-line);
    background: rgba(255, 255, 255, 0.025);
  }

  .seo-button:hover {
    border-color: rgba(242, 242, 237, 0.32);
    transform: translateY(-3px);
  }

  .seo-related a:hover {
    background: rgba(120, 135, 154, 0.07);
  }
}

@media (max-width: 820px) {
  body {
    font-size: 16px;
  }

  .seo-grid {
    opacity: 0.34;
    background-size: 22px 22px, 100% 100%, 100% 100%, 100% 100%;
  }

  .seo-header {
    top: 8px;
    right: 8px;
    left: 8px;
    min-height: 56px;
    padding: 6px 7px 6px 13px;
    border-radius: 20px;
  }

  .seo-logo,
  .seo-logo img {
    width: 94px;
  }

  .seo-logo {
    height: 36px;
  }

  .seo-header nav {
    gap: 3px;
  }

  .seo-header nav a {
    min-height: 40px;
    padding: 0 10px;
    font-size: 9px;
  }

  .seo-header nav a:nth-child(2) {
    display: none;
  }

  .seo-hero {
    min-height: auto;
    padding-top: 150px;
  }

  .seo-hero::before {
    top: 15%;
    right: -15%;
    width: 54vw;
  }

  .seo-hero h1 {
    font-size: clamp(48px, 15vw, 74px);
    line-height: 0.9;
  }

  .seo-lead,
  .seo-faq {
    grid-template-columns: 1fr;
  }

  .seo-lead {
    gap: 18px;
    margin-top: 42px;
  }

  .seo-actions,
  .seo-button {
    width: 100%;
  }

  .seo-facts {
    grid-template-columns: 1fr;
  }

  .seo-facts li {
    min-height: 122px;
    padding: 22px;
    border-right: 1px solid var(--seo-line);
    border-bottom: 1px solid var(--seo-line);
    border-left: 1px solid var(--seo-line);
  }

  .seo-facts li:last-child {
    border-bottom: 0;
  }

  .seo-steps {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 72px 0;
  }

  .seo-steps > li {
    min-height: 210px;
    border-right: 1px solid var(--seo-line);
    border-radius: 24px;
  }

  .seo-steps > li > span {
    margin-bottom: 48px;
  }

  .seo-content {
    display: block;
    padding: 72px 0;
  }

  .seo-copy {
    display: block;
    padding: 34px 0;
  }

  .seo-copy h2 {
    margin-bottom: 24px;
  }

  .seo-faq {
    gap: 42px;
    padding: 72px 0;
  }

  .seo-faq h2,
  .seo-related h2 {
    font-size: clamp(44px, 14vw, 68px);
  }

  .seo-faq summary {
    min-height: 78px;
    grid-template-columns: 28px 1fr 20px;
    gap: 8px;
  }

  .seo-faq details p {
    margin-left: 36px;
  }

  .seo-related {
    padding: 72px 0;
  }

  .seo-related > div {
    grid-template-columns: 1fr;
  }

  .seo-related a,
  .seo-related a:nth-child(odd) {
    min-height: 126px;
    border-left: 1px solid var(--seo-line);
  }

  .seo-cta {
    min-height: 450px;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    padding: 28px;
    border-radius: 30px;
  }

  .seo-cta h2 {
    font-size: clamp(48px, 15vw, 74px);
  }

  .seo-footer {
    min-height: 230px;
    grid-template-columns: 1fr auto;
    align-content: center;
    gap: 26px 18px;
    padding-bottom: 38px;
  }

  .seo-footer nav {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
  }

  .seo-footer > span {
    justify-self: end;
  }
}

@media (max-width: 350px) {
  .seo-logo,
  .seo-logo img {
    width: 82px;
  }

  .seo-header nav a {
    padding-inline: 8px;
    font-size: 8.5px;
  }

  .seo-hero h1 {
    font-size: 43px;
  }

  .seo-cta {
    min-height: 420px;
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}