:root {
  --bg: #f4f8fc;
  --bg-soft: #eef4fa;
  --panel: #ffffff;
  --panel-soft: #f7fbff;
  --text: #10233b;
  --muted: #5f728b;
  --accent: #1b8fd8;
  --accent-dark: #106ca8;
  --accent-soft: #d9eefb;
  --border: #d8e4f0;
  --white: #ffffff;
  --shadow: 0 12px 32px rgba(16, 35, 59, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%);
  color: var(--text);
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
}

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

.brand-logo img {
  display: block;
  height: 220px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 1rem;
}

.site-nav a,
a {
  color: var(--accent-dark);
  text-decoration: none;
}

.lang-switch {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
  white-space: nowrap;
}

.hero {
  padding: 5.5rem 0 4.5rem;
  background: radial-gradient(circle at top left, rgba(27, 143, 216, 0.14), transparent 30%),
              radial-gradient(circle at right top, rgba(27, 143, 216, 0.08), transparent 28%);
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  max-width: 13ch;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.subheadline {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.9rem 1.25rem;
  border-radius: 0.7rem;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(27, 143, 216, 0.22);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--white);
}

.section {
  padding: 4.5rem 0;
}

.section.alt {
  background: linear-gradient(180deg, var(--panel-soft) 0%, #ffffff 100%);
  border-top: 1px solid rgba(216, 228, 240, 0.7);
  border-bottom: 1px solid rgba(216, 228, 240, 0.7);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.card ul {
  padding-left: 1.1rem;
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.contact-form label {
  font-weight: 700;
  color: var(--accent-dark);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(27, 143, 216, 0.22);
  border-color: var(--accent);
}

.contact-form button {
  margin-top: 0.5rem;
  cursor: pointer;
  border: 0;
}

.site-footer {
  background: #0f1e31;
  color: #e8f0fb;
  padding: 2rem 0;
  margin-top: 2rem;
}

.site-footer a {
  color: #8edcff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .brand-logo img {
    height: 150px;
  }

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

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