@font-face {
  font-family: "DM Sans";
  src: url("DMSans-Variable.ttf") format("truetype");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0b0b0b;
  --card: #121212;
  --primary: #0041dc;
  --primary-soft: rgba(0, 65, 220, 0.16);
  --text: #ffffff;
  --muted: #8c8c8c;
  --faint: #5c5c5c;
  --border: rgba(255, 255, 255, 0.08);
  --warn: #ff6b6b;
  --max: 1080px;
  --gutter: 24px;
}

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

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  font-weight: 350;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: var(--text);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- header ---------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 300;
  letter-spacing: 0.18em;
  font-size: 15px;
}

.brand svg {
  width: 30px;
  height: 30px;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

/* ---------- mandala ---------- */

.mandala {
  display: block;
  width: 100%;
  height: auto;
  animation: turn 90s linear infinite;
}

@keyframes turn {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mandala {
    animation: none;
  }
}

/* ---------- hero ---------- */

.hero {
  text-align: center;
  padding-top: 40px;
  padding-bottom: 96px;
}

.hero .sign {
  width: min(340px, 78vw);
  margin: 0 auto 36px;
}

.hero h1 {
  margin: 0;
  font-weight: 200;
  font-size: clamp(44px, 9vw, 76px);
  letter-spacing: 0.16em;
  line-height: 1.1;
  padding-left: 0.16em;
}

.hero .lead {
  max-width: 560px;
  margin: 24px auto 0;
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.86);
}

.hero .meta {
  margin-top: 20px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------- sections ---------- */

section.block {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}

.label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 18px;
  font-weight: 450;
}

h2 {
  margin: 0 0 20px;
  font-weight: 250;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.intro {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* ---------- layers ---------- */

.layers {
  list-style: none;
  padding: 0;
  margin: 48px 0 0;
  display: grid;
  gap: 14px;
}

.layer {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  padding: 26px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 15px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 6px var(--bg), 0 0 0 7px rgba(255, 255, 255, 0.06);
}

.layer:nth-child(2) .ring {
  box-shadow: 0 0 0 6px var(--card), 0 0 0 7px rgba(255, 255, 255, 0.08),
    0 0 0 12px var(--card), 0 0 0 13px rgba(255, 255, 255, 0.05);
}

.layer:nth-child(3) .ring {
  background: var(--primary-soft);
  border-color: rgba(0, 65, 220, 0.6);
}

.layer h3 {
  margin: 4px 0 6px;
  font-weight: 400;
  font-size: 19px;
}

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

/* ---------- grid of features ---------- */

.grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.cell {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.cell h3 {
  margin: 0 0 8px;
  font-weight: 400;
  font-size: 17px;
}

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

/* ---------- warnings ---------- */

.warn {
  color: var(--warn);
}

/* ---------- store badge ---------- */

.own {
  margin: 44px 0 0;
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.store {
  display: inline-block;
  margin-top: 24px;
  line-height: 0;
  border-radius: 10px;
}

.store img {
  height: 53px;
  width: auto;
}

/* ---------- list of facts ---------- */

.facts {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}

.facts li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 14px;
  align-items: baseline;
  color: rgba(255, 255, 255, 0.86);
}

.facts li::before {
  content: "";
  flex: 0 0 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  transform: translateY(-3px);
}

/* ---------- price ---------- */

.price {
  text-align: center;
}

.price .intro {
  margin: 0 auto;
}

.price-card {
  max-width: 520px;
  margin: 40px auto 0;
  padding: 32px 28px;
  border-radius: 18px;
  border: 1px solid rgba(0, 65, 220, 0.55);
  background: linear-gradient(180deg, rgba(0, 65, 220, 0.14), transparent 70%),
    var(--card);
}

.price-card .row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.price-card .row:last-child {
  border-bottom: 0;
}

.price-card .row span:last-child {
  color: var(--muted);
  text-align: right;
}

/* ---------- faq ---------- */

.faq {
  margin-top: 40px;
  border-top: 1px solid var(--border);
}

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

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 36px 22px 0;
  position: relative;
  font-size: 18px;
  font-weight: 350;
}

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

.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.faq summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.faq details p {
  margin: 0 0 22px;
  max-width: 680px;
  color: var(--muted);
}

.contact {
  margin-top: 40px;
  color: var(--muted);
}

.contact a {
  color: var(--text);
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  font-size: 14px;
  color: var(--faint);
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer nav {
  display: flex;
  gap: 20px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

/* ---------- legal page ---------- */

.legal {
  max-width: 720px;
  padding: 56px 0 96px;
}

.legal h1 {
  font-weight: 250;
  font-size: clamp(34px, 6vw, 48px);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.legal .updated {
  color: var(--faint);
  font-size: 14px;
  margin: 0 0 40px;
}

.legal .summary {
  padding: 22px 24px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid rgba(0, 65, 220, 0.5);
  margin-bottom: 48px;
}

.legal .summary p {
  margin: 0;
}

.legal h2 {
  font-size: 22px;
  font-weight: 400;
  margin: 44px 0 12px;
}

.legal p,
.legal li {
  color: rgba(255, 255, 255, 0.82);
}

.legal ul {
  padding-left: 20px;
}

.legal li {
  margin-bottom: 8px;
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
  .facts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 16px;
  }
  body {
    font-size: 16px;
  }
  .nav {
    gap: 16px;
  }
  .hero {
    padding-top: 24px;
    padding-bottom: 72px;
  }
  section.block {
    padding: 64px 0;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .layer {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 22px 20px;
  }
  .price-card {
    padding: 24px 20px;
  }
}