:root {
  --bg: #0c1a22;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --accent: #4ed0ff;
  --text: #e6f3ff;
  --muted: #9eb1c1;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Manrope', 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, rgba(78, 208, 255, 0.12), transparent 32%),
    radial-gradient(circle at 80% 10%, rgba(123, 97, 255, 0.15), transparent 35%),
    linear-gradient(145deg, rgba(7, 16, 22, 0.95), rgba(7, 12, 18, 0.98)),
    url('images/tild3738-6266-4434-a137-376230636463__shutterstock_1014191.jpg') center/cover fixed no-repeat;
  background-blend-mode: screen, screen, overlay, normal;
  min-height: 100vh;
  scroll-behavior: smooth;
}

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

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

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

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section__header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
  max-width: 820px;
}

h1, h2, h3 {
  margin: 0;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(48px, 6vw, 66px);
}

h2 {
  font-size: clamp(28px, 3vw, 38px);
}

h3 {
  font-size: clamp(22px, 2.4vw, 28px);
}

.lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 980px;
}
.lead--wide {
  max-width: 1040px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 12px;
  color: var(--accent);
  margin: 0;
}

.muted {
  color: var(--muted);
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(7, 14, 20, 0.76);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.4));
}

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

.nav a {
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}

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

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  display: block;
}

.hero {
  padding: 140px 0 96px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 900px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero__panel {
  display: flex;
  justify-content: flex-end;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.panel__label {
  margin: 0 0 12px;
  font-weight: 700;
  color: var(--text);
}

.panel__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #041019;
  box-shadow: 0 15px 50px rgba(78, 208, 255, 0.3);
}

.btn-primary:hover {
  color: #041019;
  transform: translateY(-1px);
  box-shadow: 0 20px 60px rgba(78, 208, 255, 0.4);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 600;
  border: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  line-height: 1.6;
  color: var(--muted);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.icon-wrap {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 0;
  margin-bottom: 12px;
}

.icon-wrap img {
  width: 48px;
  height: 48px;
  border-radius: 6px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  line-height: 1.6;
  color: var(--muted);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-card p {
  margin: 0;
}

.info-card.wide {
  width: 100%;
  grid-column: 1 / -1;
}

.info-card__highlight {
  margin: 0;
}

.link-accent {
  color: var(--accent);
  font-weight: 700;
}

.tech-icons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tech-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.tech-icon img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--muted);
}

.contact-card__value {
  font-size: 18px;
  color: var(--text);
  word-break: break-word;
}

.contact-card--full {
  width: 100%;
  background: linear-gradient(135deg, rgba(78, 208, 255, 0.08), rgba(255, 255, 255, 0.04));
}

.contact-card__row {
  display: flex;
  gap: 32px;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
}

.contact-card__item {
  max-width: 520px;
}

.contact-card__item--side {
  min-width: 240px;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 20px;
}

.doc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  color: var(--muted);
  line-height: 1.5;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.doc-card__image {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0f1f28;
  min-height: 360px;
}

.doc-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.doc-card__image--split {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px;
}

.doc-card__icon {
  width: 80px;
  height: auto;
}

.doc-card__link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.footer {
  border-top: 1px solid var(--border);
  background: rgba(7, 14, 20, 0.9);
  padding: 18px 0;
  margin-top: 40px;
  position: relative;
  z-index: 2;
}

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

.footer__brand {
  color: var(--muted);
  font-weight: 600;
}

.footer__nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.to-top {
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 980px) {
  .nav {
    position: absolute;
    top: 72px;
    right: 3%;
    background: rgba(7, 14, 20, 0.95);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    display: none;
    min-width: 200px;
  }

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

  .menu-toggle {
    display: inline-flex;
  }

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

  .hero__panel {
    justify-content: flex-start;
  }

  .info-card.wide {
    grid-column: span 1;
  }

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

@media (max-width: 820px) {
  .hero {
    padding: 110px 0 72px;
  }

  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .contact-card__row {
    flex-direction: column;
    gap: 20px;
  }

  .docs-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  body {
    background: radial-gradient(circle at 20% 20%, rgba(78, 208, 255, 0.12), transparent 32%),
      radial-gradient(circle at 80% 10%, rgba(123, 97, 255, 0.15), transparent 35%),
      linear-gradient(145deg, rgba(7, 16, 22, 0.95), rgba(7, 12, 18, 0.98)),
      url('images/tild3738-6266-4434-a137-376230636463__shutterstock_1014191.jpg') center/cover no-repeat;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 72px 0;
  }

  .panel__list,
  .feature-card,
  .info-card,
  .contact-card,
  .doc-card {
    font-size: 15px;
  }

  .brand img {
    height: 36px;
  }

  .doc-card__image {
    min-height: 260px;
  }

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

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

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