:root {
  --bg: #0a1020;
  --bg-2: #10192d;
  --surface: #ffffff;
  --surface-soft: #f5f7fb;
  --surface-warm: #eef3f7;
  --ink: #172033;
  --ink-soft: #536071;
  --muted: #6c7888;
  --line: rgba(23, 32, 51, 0.12);
  --accent: #7ed6c6;
  --accent-2: #d8b36a;
  --accent-dark: #203f52;
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow: 0 20px 70px rgba(14, 24, 42, 0.14);
  --shadow-soft: 0 14px 44px rgba(14, 24, 42, 0.09);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--surface);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.section-pad {
  padding: 148px 0 98px;
}

.section {
  padding: 92px 0;
}

.section--light {
  background: var(--surface-soft);
}

.section--accent {
  color: #ffffff;
  background:
    radial-gradient(circle at top left, rgba(126, 214, 198, 0.26), transparent 36%),
    linear-gradient(135deg, #10192d 0%, #203f52 54%, #172033 100%);
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 16, 32, 0.82);
  backdrop-filter: blur(18px);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(10, 16, 32, 0.94);
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.2);
}

.header-layout {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
}

.brand:hover {
  color: #ffffff;
}

.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
}

.brand__text {
  display: grid;
  line-height: 1.1;
}

.brand__name {
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand__note {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 650;
}

.main-nav a {
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 15px;
  background: transparent;
  color: #ffffff;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: currentColor;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(120deg, rgba(10, 16, 32, 0.96), rgba(15, 33, 53, 0.88)),
    radial-gradient(circle at 80% 20%, rgba(216, 179, 106, 0.24), transparent 34%),
    radial-gradient(circle at 18% 84%, rgba(126, 214, 198, 0.2), transparent 32%),
    var(--bg);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -16% -36% 45%;
  height: 420px;
  border-radius: 999px;
  background: rgba(126, 214, 198, 0.1);
  filter: blur(24px);
  transform: rotate(-12deg);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.62fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow,
.section--accent .eyebrow {
  color: var(--accent);
}

.eyebrow--dark {
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 920px;
  font-size: clamp(42px, 5.1vw, 76px);
}

h2 {
  font-size: clamp(32px, 3.8vw, 52px);
}

h3 {
  font-size: 23px;
}

p {
  margin: 0;
}

.hero__lead {
  max-width: 740px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #0a1020;
  background: var(--accent);
}

.button--primary:hover {
  color: #0a1020;
  background: #97eadc;
}

.button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.button--secondary:hover {
  border-color: rgba(255, 255, 255, 0.38);
  color: #ffffff;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.hero-card__image {
  width: 100%;
  margin-bottom: 22px;
  border-radius: 24px;
}

.requisites-card {
  display: grid;
  gap: 14px;
  margin: 0;
}

.requisites-card div {
  display: grid;
  gap: 3px;
  padding: 15px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.09);
}

.requisites-card dt {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.requisites-card dd {
  margin: 0;
  color: #ffffff;
  font-weight: 760;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}

.text-panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.text-panel > p + .info-grid {
  margin-top: 26px;
}

.info-grid {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
}

.info-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) minmax(0, 1fr);
  gap: 20px;
  padding: 18px 20px;
  background: #ffffff;
}

.info-row + .info-row {
  border-top: 1px solid var(--line);
}

.info-row span {
  color: var(--muted);
  font-weight: 700;
}

.info-row strong {
  font-weight: 760;
}

.section-head {
  max-width: 860px;
  margin-bottom: 42px;
}

.section-head p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 18px;
}

.section-head--on-accent p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.cards-grid--wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.feature-card img {
  margin-bottom: 22px;
}

.feature-card h3 {
  margin-bottom: 14px;
}

.feature-card p {
  color: var(--ink-soft);
}

.module-list {
  display: grid;
  gap: 20px;
}

.module-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.12);
}

.module-card__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.module-card__num {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 17px;
  color: #0a1020;
  background: var(--accent);
  font-weight: 900;
}

.module-card h3 {
  margin-bottom: 8px;
  font-size: clamp(21px, 2.1vw, 30px);
}

.module-card p {
  color: rgba(255, 255, 255, 0.78);
}

.module-card__head p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.module-specs {
  display: grid;
  grid-template-columns: 0.75fr 0.42fr 1.45fr;
  gap: 12px;
  margin: 22px 0 0;
}

.module-specs div {
  padding: 15px;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.1);
}

.module-specs dt {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.module-specs dd {
  margin: 0;
  color: #ffffff;
  font-weight: 720;
}

.docs-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.14fr);
  gap: 48px;
  align-items: start;
}

.docs-layout > div:first-child p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 18px;
}

.accordion {
  display: grid;
  gap: 14px;
}

.accordion-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.accordion-button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-weight: 850;
  text-align: left;
}

.accordion-button::after {
  content: "+";
  display: inline-flex;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #0a1020;
  background: var(--accent);
  font-size: 20px;
  line-height: 1;
}

.accordion-item.is-open .accordion-button::after {
  content: "−";
}

.accordion-panel {
  display: none;
  padding: 0 24px 24px;
  color: var(--ink-soft);
}

.accordion-item.is-open .accordion-panel {
  display: block;
}

.ordered-list {
  margin: 0;
  padding-left: 21px;
}

.ordered-list li + li {
  margin-top: 10px;
}

.disclosure-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: 52px;
  align-items: center;
}

.disclosure-visual {
  padding: 30px;
  border-radius: var(--radius-xl);
  background: var(--surface-soft);
  box-shadow: var(--shadow-soft);
}

.disclosure-layout p:not(.eyebrow) {
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 18px;
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--ink-soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
}

.check-list li::after {
  content: "";
  position: absolute;
  top: 13px;
  left: 6px;
  width: 5px;
  height: 9px;
  border-right: 2px solid #0a1020;
  border-bottom: 2px solid #0a1020;
  transform: rotate(42deg);
}

.site-footer {
  color: #ffffff;
  background: var(--bg);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 44px;
  align-items: start;
  padding: 66px 0 36px;
}

.footer-logo {
  margin-bottom: 20px;
}

.site-footer h2 {
  margin-bottom: 14px;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.64);
}

.contact-card {
  display: grid;
  gap: 12px;
  min-width: 320px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  font-style: normal;
}

.contact-card a {
  color: #ffffff;
  font-size: 20px;
  font-weight: 850;
}

.contact-card a:hover {
  color: var(--accent);
}

.contact-card span {
  color: rgba(255, 255, 255, 0.62);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .hero-layout,
  .split-layout,
  .docs-layout,
  .disclosure-layout {
    grid-template-columns: 1fr;
  }

  .cards-grid,
  .cards-grid--wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-specs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    background: rgba(10, 16, 32, 0.98);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 15px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .section-pad {
    padding: 126px 0 72px;
  }

  .section {
    padding: 66px 0;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }

  .contact-card {
    min-width: 0;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .cards-grid,
  .cards-grid--wide {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .text-panel,
  .feature-card,
  .module-card,
  .hero-card {
    padding: 22px;
  }

  h1 {
    font-size: clamp(34px, 12vw, 48px);
  }

  .hero__lead {
    font-size: 18px;
  }

  .module-card__head {
    grid-template-columns: 1fr;
  }
}