:root {
  --bg: #f4f6f8;
  --bg-soft: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --dark: #111827;
  --dark-2: #1f2937;
  --gold: #c7902f;
  --gold-2: #e2ad45;
  --line: rgba(17, 24, 39, 0.12);
  --shadow: 0 24px 80px rgba(17, 24, 39, 0.12);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(17, 24, 39, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 20% 10%, rgba(199, 144, 47, 0.14), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(17, 24, 39, 0.10), transparent 30%),
    var(--bg);
  background-size: 40px 40px, 40px 40px, auto, auto, auto;
}

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

.page {
  width: min(1220px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand__logo {
  width: 190px;
  height: auto;
  display: block;
}

.lang {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
  backdrop-filter: blur(10px);
}

.lang__btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 800;
  font-size: 13px;
  line-height: 1;
  color: var(--muted);
  background: transparent;
}

.lang__btn.is-active {
  color: #ffffff;
  background: var(--dark);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 40px;
  align-items: center;
  min-height: 560px;
  padding: 64px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,255,255,0.78)),
    radial-gradient(circle at 88% 20%, rgba(199,144,47,0.24), transparent 34%),
    radial-gradient(circle at 70% 78%, rgba(17,24,39,0.14), transparent 34%);
  border: 1px solid rgba(255,255,255,0.75);
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(199, 144, 47, 0.14), transparent 32%),
    linear-gradient(180deg, transparent, rgba(17, 24, 39, 0.04));
}

.hero__content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.96;
  letter-spacing: -0.06em;
  color: var(--dark);
}

.hero__text {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 15px 22px;
  border-radius: 16px;
  font-weight: 800;
  line-height: 1;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  box-shadow: 0 18px 40px rgba(17, 24, 39, 0.22);
}

.btn--ghost {
  color: var(--dark);
  background: #ffffff;
  border: 1px solid var(--line);
}

.hero__visual {
  position: relative;
  z-index: 2;
  min-height: 420px;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(1px);
}

.orb--one {
  width: 310px;
  height: 310px;
  right: 30px;
  top: 20px;
  background: radial-gradient(circle at 30% 30%, rgba(226,173,69,0.95), rgba(199,144,47,0.16) 58%, transparent 70%);
}

.orb--two {
  width: 250px;
  height: 250px;
  right: 190px;
  bottom: 10px;
  background: radial-gradient(circle at 30% 30%, rgba(17,24,39,0.92), rgba(17,24,39,0.14) 58%, transparent 72%);
}

.drone-mark {
  position: absolute;
  right: 70px;
  top: 110px;
  width: 360px;
  height: 190px;
  transform: rotate(-8deg);
}

.drone-mark::before,
.drone-mark::after,
.drone-mark span {
  content: "";
  position: absolute;
  display: block;
  background: var(--dark);
}

.drone-mark::before {
  width: 330px;
  height: 24px;
  top: 82px;
  left: 10px;
  border-radius: 999px;
  transform: skewX(-22deg);
}

.drone-mark::after {
  width: 150px;
  height: 150px;
  top: 20px;
  left: 114px;
  border: 18px solid var(--dark);
  border-top-color: transparent;
  border-left-color: transparent;
  border-radius: 50%;
  background: transparent;
  transform: rotate(45deg);
}

.drone-mark span {
  width: 230px;
  height: 18px;
  top: 92px;
  left: 80px;
  border-radius: 999px;
  background: var(--gold);
  transform: rotate(-34deg);
}

.section {
  padding: 76px 0 28px;
}

.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section__head h2 {
  margin: 0;
  max-width: 620px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  min-height: 230px;
  padding: 30px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255,255,255,0.76);
  box-shadow: 0 18px 55px rgba(17, 24, 39, 0.08);
}

.card h3 {
  margin: 0 0 18px;
  color: var(--dark);
  font-size: 24px;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  margin-top: 36px;
  padding: 32px 0 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  display: block;
  color: var(--dark);
  font-size: 18px;
  margin-bottom: 8px;
}

.footer p {
  margin: 0;
}

.footer__contacts {
  display: grid;
  gap: 8px;
  text-align: right;
}

.footer__contacts a {
  color: var(--dark);
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 44px;
  }

  .hero__visual {
    display: none;
  }

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

  .section__head {
    display: block;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 24px, 1220px);
    padding: 18px 0;
  }

  .header {
    align-items: flex-start;
  }

  .brand__logo {
    width: 145px;
  }

  .hero {
    min-height: auto;
    padding: 34px 24px;
    border-radius: 22px;
  }

  h1 {
    font-size: 40px;
  }

  .hero__text {
    font-size: 17px;
  }

  .hero__actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding-top: 46px;
  }

  .card {
    padding: 24px;
  }

  .footer {
    display: grid;
  }

  .footer__contacts {
    text-align: left;
  }
}