:root {
  --bg: #efefef;
  --card: rgba(255, 255, 255, 0.92);
  --header: rgba(255, 255, 255, 0.9);
  --text: #2d2d2d;
  --muted: #6b6b6b;
  --accent: #6b2b7a;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.08);
  --header-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(239, 239, 239, 0.9), rgba(239, 239, 239, 0.9)),
    url('assets/network-bg.jpeg') center right / cover no-repeat;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--header);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--header-shadow);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-logo {
  display: block;
  height: 54px;
  width: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 128px 40px 40px;
}

.card {
  max-width: 520px;
  padding: 36px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
}

address {
  font-style: normal;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.contact {
  margin: 22px 0 0;
}

.contact a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 2px solid rgba(107, 43, 122, 0.25);
  padding-bottom: 3px;
}

.contact a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 700px) {
  .header-inner {
    padding: 10px 16px;
    gap: 14px;
  }

  .brand-logo {
    height: 42px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a {
    font-size: 0.78rem;
  }

  .hero {
    padding: 102px 20px 20px;
    align-items: flex-start;
  }

  .card {
    margin-top: 20px;
    padding: 24px;
    border-radius: 18px;
  }

  body {
    background-position: 72% center;
  }
}