:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface-alt: #edf2f6;
  --text: #1e2932;
  --muted: #485a6a;
  --brand: #0c5b62;
  --brand-dark: #0a484f;
  --line: #d5dee6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1040px, 92%);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(130deg, #e8f4f4, #f9fbfc 60%, #dfedf1);
  border-bottom: 1px solid var(--line);
  padding: 2.3rem 0 2.1rem;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.logo {
  width: 145px;
  height: auto;
}

h1,
h2 {
  margin: 0 0 0.65rem;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
}

.tagline {
  margin: 0 0 0.95rem;
  color: var(--muted);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.top-nav a {
  text-decoration: none;
  color: #fff;
  background: var(--brand);
  padding: 0.45rem 0.75rem;
  border-radius: 0.45rem;
  font-size: 0.95rem;
}

.top-nav a:hover {
  background: var(--brand-dark);
}

.section {
  padding: 2.2rem 0;
}

.section-alt {
  background: var(--surface-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.35rem;
  align-items: start;
}

.split.reverse {
  grid-template-columns: 1fr 1.25fr;
}

.panel-image {
  width: 100%;
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: #fff;
  display: block;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 1.2rem;
}

a {
  color: var(--brand);
}

footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 0.95rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 840px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .top-nav {
    justify-content: center;
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 1.7rem 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}