:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #152238;
  --muted: #516075;
  --primary: #1f4fa8;
  --accent: #ff8a00;
  --border: #e5eaf2;
  --shadow: 0 10px 30px rgba(14, 32, 60, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.menu-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  width: 46px;
  height: 42px;
  display: grid;
  place-content: center;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  display: block;
}

.primary-nav {
  position: absolute;
  inset: 72px 0 auto 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: 0.2s ease;
}

.primary-nav.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-nav ul {
  margin: 0;
  padding: 1rem 4%;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.primary-nav a {
  display: inline-block;
  font-weight: 600;
  color: var(--text);
}

.lang-item {
  display: grid;
  gap: 0.35rem;
  max-width: 220px;
}

.lang-item label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}

.lang-item select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.hero {
  padding: 5.5rem 0 4rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(1.9rem, 6vw, 3rem);
  max-width: 15ch;
}

.hero-text {
  max-width: 55ch;
  color: var(--muted);
}

.section {
  padding: 4rem 0;
}

.cards {
  margin-top: 1.6rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.about-grid,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.company-data,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 0.55rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--text);
  background: #fff;
}

input:focus,
textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--primary), transparent 70%);
  border-color: var(--primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.4rem;
  border: 0;
  border-radius: 10px;
  padding: 0.8rem 1.1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-primary:hover {
  text-decoration: none;
  filter: brightness(1.03);
  transform: translateY(-1px);
}

.form-status {
  min-height: 1.4rem;
  margin: 0.3rem 0 0;
  font-size: 0.95rem;
}

.form-status.success {
  color: #067647;
}

.form-status.error {
  color: #b42318;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #eef3fa;
  padding: 1.3rem 0 2rem;
  font-size: 0.95rem;
}

.footer-wrap {
  display: grid;
  gap: 0.3rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (min-width: 760px) {
  .menu-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    background: transparent;
  }

  .primary-nav ul {
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: 1.4rem;
  }

  .lang-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .lang-item label {
    font-size: 0.84rem;
  }

  .lang-item select {
    min-width: 122px;
  }

  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}