:root {
  --bg: #012a5a;
  --bg-soft: #03356b;
  --primary: #03bffb;
  --text: #f2f2f2;
  --muted: rgba(242, 242, 242, 0.74);
  --border: rgba(255, 255, 255, 0.1);
  --card: rgba(255, 255, 255, 0.04);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

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

.hidden {
  display: none !important;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(1, 42, 90, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-header {
  height: 46px;
  width: auto;
}

.desktop-nav {
  display: flex;
  gap: 28px;
}

.desktop-nav a,
.phone-link {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.86);
}

.desktop-nav a:hover,
.phone-link:hover {
  color: #fff;
}

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

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  padding: 12px 16px 18px;
}

.mobile-nav.active {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav a {
  padding: 10px 12px;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(1, 42, 90, 0.95), rgba(3, 53, 107, 0.92));
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(3, 191, 251, 0.1), transparent 30%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.04), transparent 28%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  min-height: calc(100vh - 84px);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 48px;
}

.hero-content {
  max-width: 860px;
}

.tag {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: #9ee9ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 800;
}

.hero p {
  margin: 22px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-buttons {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.card,
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
}

.section {
  padding: 96px 0;
}

.section-border {
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 760px;
}

.section-head h2,
.form-info h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
}

.section-head p,
.form-info p,
.card p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.services-grid,
.contact-grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.services-grid {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  padding: 28px;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.card .strong {
  font-weight: 800;
  color: #fff;
}

.upper-title {
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.form-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.info-card {
  margin-top: 28px;
}

.form-card {
  padding: 28px;
}

.form-row {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.two-cols {
  grid-template-columns: repeat(2, 1fr);
}

.field-group {
  display: grid;
  gap: 8px;
  position: relative;
}

.field-group label {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  min-height: 54px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
}

.field-group textarea {
  min-height: 140px;
  resize: vertical;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
  color: rgba(242, 242, 242, 0.42);
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: rgba(3, 191, 251, 0.55);
  box-shadow: 0 0 0 4px rgba(3, 191, 251, 0.12);
}

.field-group select {
  appearance: none;
  cursor: pointer;
}

.field-group select option {
  background: var(--bg-soft);
  color: var(--text);
}

.field-group select:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

.city-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 100%;
  max-height: 220px;
  overflow-y: auto;
  padding: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.28);
  z-index: 20;
}

.city-option {
  width: 100%;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.92);
  text-align: left;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
}

.city-option:hover {
  background: rgba(3, 191, 251, 0.1);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.form-status {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  transition: 0.2s ease;
  border: 0;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
}

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

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #9ee9ff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.contact-grid {
  grid-template-columns: repeat(3, 1fr);
}

.address-block {
  margin-top: 18px;
}

.address-block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.maps-link {
  display: inline-flex;
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #9ee9ff;
  font-size: 14px;
  font-weight: 700;
  transition: 0.2s ease;
}

.maps-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.contact-grid .card:first-child p {
  margin-top: 8px;
}

.contact-grid .card:first-child .upper-title {
  margin-top: 0;
  margin-bottom: 6px;
  line-height: 1.35;
  color: #fff;
}

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  height: 0 !important;
  width: 0 !important;
}

@media (max-width: 1024px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

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

  .hero-grid,
  .form-grid,
  .services-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 64px 0;
  }
}

@media (max-width: 700px) {
  .two-cols {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 16px;
  }

  .form-card,
  .card {
    padding: 22px;
  }

  .btn {
    width: 100%;
  }

  .form-actions,
  .hero-buttons {
    flex-direction: column;
  }

  .logo-header {
    height: 38px;
  }
}