:root {
  --bg: #f7f8fc;
  --bg2: #ffffff;
  --surface: rgba(2, 6, 23, 0.04);
  --surface2: rgba(2, 6, 23, 0.06);
  --text: rgba(2, 6, 23, 0.92);
  --muted: rgba(2, 6, 23, 0.72);
  --muted2: rgba(2, 6, 23, 0.56);
  --border: rgba(2, 6, 23, 0.14);
  --shadow: 0 18px 50px rgba(2, 6, 23, 0.12);

  --brand: #7c5cff;
  --brand2: #22c55e;
  --danger: #ff5c7c;

  --radius: 18px;
  --radius2: 24px;

  --container: 1100px;

  --font:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(124, 92, 255, 0.20), transparent 60%),
    radial-gradient(1000px 700px at 90% 0%, rgba(34, 197, 94, 0.14), transparent 55%),
    radial-gradient(900px 600px at 60% 110%, rgba(124, 92, 255, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height: 1.5;
}

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

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

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

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  background: rgba(2, 6, 23, 0.06);
  border: 1px solid var(--border);
  border-radius: 12px;
  transform: translateY(-200%);
  transition: transform 180ms ease;
  z-index: 50;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.45);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(2, 6, 23, 0.08);
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.12);
  font-weight: 800;
  letter-spacing: 0.4px;
}

.brand-mark-img {
  width: 38px;
  height: 38px;
  border-radius: 14px;
}

.icon {
  width: 18px;
  height: 18px;
  display: block;
}

.inline-icon {
  display: inline-flex;
  vertical-align: -0.2em;
  margin-right: 6px;
  color: rgba(2, 6, 23, 0.72);
}

.card-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(2, 6, 23, 0.03);
  display: grid;
  place-items: center;
  color: rgba(2, 6, 23, 0.78);
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.08);
}

.card-top {
  position: relative;
}

.card:hover .card-icon {
  color: rgba(124, 92, 255, 0.95);
  border-color: rgba(124, 92, 255, 0.28);
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-title {
  font-weight: 750;
  font-size: 14px;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--muted2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
}

body[data-nav-open="true"] {
  overflow: hidden;
}

.nav-link {
  color: var(--muted);
  font-size: 14px;
  transition: color 150ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  outline: none;
}

.nav-cta {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(2, 6, 23, 0.03);
  color: var(--text);
  font-weight: 650;
  font-size: 14px;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  outline: none;
  background: rgba(2, 6, 23, 0.05);
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(2, 6, 23, 0.03);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.45);
}

.nav-toggle-lines {
  position: relative;
  width: 18px;
  height: 2px;
  background: rgba(2, 6, 23, 0.75);
  display: block;
  margin: 0 auto;
  border-radius: 2px;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: rgba(2, 6, 23, 0.75);
  border-radius: 2px;
  transition: transform 160ms ease, top 160ms ease, opacity 160ms ease;
}

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

body[data-nav-open="true"] .nav-toggle-lines {
  background: transparent;
}

body[data-nav-open="true"] .nav-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

body[data-nav-open="true"] .nav-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  padding: 54px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.66);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(2, 6, 23, 0.14);
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  font-weight: 650;
  font-size: 14px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  user-select: none;
}

.button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.92);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.45);
}

.button.primary {
  border-color: rgba(124, 92, 255, 0.55);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.9), rgba(34, 197, 94, 0.62));
}

.button.primary:hover {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.98), rgba(34, 197, 94, 0.72));
}

.button.outline {
  background: transparent;
  border: 2px solid rgba(2, 6, 23, 0.88);
  color: rgba(2, 6, 23, 0.92);
}

.button.outline:hover {
  background: rgba(2, 6, 23, 0.04);
}

.button.ghost {
  background: transparent;
}

.quick-facts {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.qf-item {
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.70);
  border-radius: 16px;
  padding: 12px;
}

.qf-item dt {
  color: var(--muted2);
  font-size: 12px;
  margin-bottom: 2px;
}

.qf-item dd {
  margin: 0;
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
}

.hero-card {
  border-radius: var(--radius2);
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.70));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card-top {
  padding: 18px 18px 0;
}

.hero-card-title {
  margin: 0 0 4px;
  font-size: 18px;
}

.hero-card-subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.hero-list {
  list-style: none;
  padding: 0 18px 18px;
  margin: 0;
  display: grid;
  gap: 10px;
}

.hero-list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--muted);
  font-size: 14px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-top: 4px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), rgba(124, 92, 255, 0.75));
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.14);
}

.hero-card-bottom {
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(2, 6, 23, 0.08);
  display: flex;
  justify-content: flex-end;
}

.link {
  color: rgba(2, 6, 23, 0.86);
  text-decoration: none;
}

.link:hover,
.link:focus-visible {
  outline: none;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.section {
  padding: 56px 0;
}

.section.alt {
  background: rgba(2, 6, 23, 0.02);
  border-top: 1px solid rgba(2, 6, 23, 0.06);
  border-bottom: 1px solid rgba(2, 6, 23, 0.06);
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.01em;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 18px;
  box-shadow: 0 14px 35px rgba(2, 6, 23, 0.10);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 92, 255, 0.22);
  box-shadow: 0 18px 45px rgba(2, 6, 23, 0.12);
}

.card-top {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.tag {
  margin: 0;
  font-size: 12px;
  color: rgba(2, 6, 23, 0.70);
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(2, 6, 23, 0.03);
}

.card h3 {
  margin: 0;
  font-size: 18px;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.note {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.about-points {
  display: grid;
  gap: 12px;
}

.about-point {
  border-radius: 18px;
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 16px;
}

.about-point h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.about-point p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.requisites {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.req-card {
  border-radius: var(--radius);
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 18px;
}

.req-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.req-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
}

.req-item dt {
  color: var(--muted2);
  font-size: 12px;
  margin-bottom: 3px;
}

.req-item dd {
  margin: 0;
  font-weight: 700;
  font-size: 14px;
}

.okved {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-card {
  border-radius: var(--radius);
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 18px;
}

.contact-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.form {
  border-radius: var(--radius);
  border: 1px solid rgba(2, 6, 23, 0.12);
  background: rgba(255, 255, 255, 0.72);
  padding: 18px;
}

.form h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

label {
  font-size: 13px;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(2, 6, 23, 0.14);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  padding: 12px 12px;
  font-size: 14px;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(2, 6, 23, 0.42);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
}

.tiny {
  margin: 10px 0 0;
  font-size: 12px;
}

.site-footer {
  padding: 22px 0 30px;
  border-top: 1px solid rgba(2, 6, 23, 0.06);
  background: rgba(255, 255, 255, 0.66);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

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

  .requisites {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-menu {
    position: fixed;
    inset: calc(74px + env(safe-area-inset-top)) 16px auto 16px;
    padding: 14px;
    display: grid;
    gap: 10px;
    border-radius: 18px;
    border: 1px solid rgba(2, 6, 23, 0.14);
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  body[data-nav-open="true"] .nav-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-link {
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid rgba(2, 6, 23, 0.10);
    background: rgba(2, 6, 23, 0.03);
  }

  .nav-cta {
    text-align: center;
  }
}

@media (max-width: 420px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    gap: 12px;
    padding: 12px 0;
  }

  .brand-title {
    font-size: 13px;
  }

  .brand-subtitle {
    display: none;
  }

  .hero {
    padding: 36px 0 28px;
  }

  .hero-actions {
    display: grid;
    gap: 10px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  * {
    transition: none !important;
    animation: none !important;
  }
}

/* Reveal animations (scroll) */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 520ms ease, transform 520ms ease;
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal.stagger-1 {
  transition-delay: 60ms;
}
.reveal.stagger-2 {
  transition-delay: 120ms;
}
.reveal.stagger-3 {
  transition-delay: 180ms;
}
.reveal.stagger-4 {
  transition-delay: 240ms;
}