:root {
  --bg: #07162b;
  --bg-2: #0b2242;
  --panel: rgba(10, 24, 46, 0.78);
  --panel-strong: rgba(8, 19, 38, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --text: #eaf2ff;
  --muted: #aebed8;
  --accent: #30a5ff;
  --accent-2: #11c28a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(48, 165, 255, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(17, 194, 138, 0.12), transparent 28%),
    linear-gradient(180deg, #07162b 0%, #081a33 36%, #091f3d 100%);
  line-height: 1.6;
}

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

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

.wrap {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(6, 16, 30, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 150px;
  height: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 19px;
}

.brand-tag {
  color: var(--muted);
  font-size: 13px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 12px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
}

.nav-btn:hover,
.nav-btn.active {
  background: rgba(48, 165, 255, 0.16);
  border-color: rgba(48, 165, 255, 0.45);
}

.hero {
  padding: 72px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 26px;
  align-items: stretch;
}

.hero-card,
.hero-panel,
.section-card,
.lang-card,
.thank-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-card {
  padding: 34px;
}

.hero-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(18, 45, 84, 0.9), rgba(8, 21, 40, 0.96));
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(48, 165, 255, 0.35);
  background: rgba(48, 165, 255, 0.12);
  color: #d9eeff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 14px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn.primary {
  background: linear-gradient(90deg, var(--accent), #5dbdff);
  color: #07162b;
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(48, 165, 255, 0.28);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.panel-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}

.metric {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 12px 0 16px;
}

.section-card {
  padding: 30px;
}

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

.info-card {
  padding: 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.info-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 22px;
}

.form-card,
.side-card {
  padding: 26px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.side-card p,
.side-card li {
  color: var(--muted);
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 7px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 14px 14px;
  background: rgba(6, 16, 30, 0.72);
  color: var(--text);
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #88a0c3;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(48, 165, 255, 0.65);
  box-shadow: 0 0 0 4px rgba(48, 165, 255, 0.14);
}

.hidden {
  display: none;
}

.small {
  font-size: 14px;
  color: var(--muted);
}

.footer {
  padding: 34px 0 46px;
  color: var(--muted);
  font-size: 14px;
}

.language-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px 0;
}

.language-wrap {
  width: min(100% - 32px, 980px);
}

.language-top {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
}

.language-top img {
  width: min(320px, 74vw);
  height: auto;
}

.lang-card {
  padding: 34px;
  text-align: center;
}

.lang-intro {
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 26px;
}

.lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.lang-option {
  padding: 26px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-option p {
  color: var(--muted);
}

.lang-option .btn {
  width: 100%;
  margin-top: 8px;
}

.thank-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px 0;
}

.thank-card {
  width: min(100% - 32px, 760px);
  padding: 34px;
  text-align: center;
}

.thank-card img {
  width: 200px;
  margin: 0 auto 18px;
}

.thank-card p {
  color: var(--muted);
}

.list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.list li + li {
  margin-top: 8px;
}

@media (max-width: 960px) {
  .hero-grid,
  .contact-grid,
  .card-grid,
  .lang-grid {
    grid-template-columns: 1fr;
  }

  .brand img {
    width: 125px;
  }

  .hero,
  .section {
    padding-top: 34px;
  }

  .hero-card,
  .hero-panel,
  .section-card,
  .lang-card,
  .thank-card {
    padding: 24px;
  }

  .header-inner {
    padding: 10px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 20px, var(--max));
  }

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

  .brand img {
    width: 112px;
  }
}