:root {
  --bg: #f8faff;
  --surface: #ffffff;
  --surface2: #f0f4ff;
  --surface3: #e8eeff;
  --accent: #1d6ef5;
  --accent-light: #4d8ff7;
  --cyan: #0099cc;
  --text: #0f172a;
  --muted: #64748b;
  --muted2: #475569;
  --border: rgba(0,0,0,0.08);
  --border2: rgba(0,0,0,0.12);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(248,250,255,0.95);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

.logo { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 800; text-decoration: none; }
.logo-fly { color: #0f172a; }
.logo-qix { color: var(--accent); }

nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  color: var(--muted2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--surface2); }

.lang-switch {
  display: flex;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  transition: all 0.2s;
}
.lang-btn.active { background: var(--accent); color: #fff; }

.page-hero { padding: 120px 48px 60px; max-width: 1240px; margin: 0 auto; }

.page-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 16px;
  color: var(--text);
}

.page-sub { font-size: 17px; color: var(--muted); font-weight: 300; line-height: 1.7; max-width: 560px; }

.accent-text { color: var(--accent); }

.section { padding: 60px 48px; max-width: 1240px; margin: 0 auto; }

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
  color: var(--text);
}

.section-sub { color: var(--muted); font-size: 15px; margin-bottom: 40px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.25s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.card:hover { border-color: rgba(29,110,245,0.3); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.1); }

.search-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
  margin-bottom: 60px;
}

.srow { display: grid; gap: 12px; align-items: end; }
.sfield { display: flex; flex-direction: column; gap: 6px; }
.sfield label { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); padding-left: 4px; }

.sinput {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: all 0.2s;
  width: 100%;
}
.sinput:focus { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(29,110,245,0.1); }
.sinput::placeholder { color: var(--muted); font-weight: 400; }

.sbtn {
  background: var(--accent);
  border: none;
  border-radius: 14px;
  padding: 14px 28px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(29,110,245,0.3);
  white-space: nowrap;
}
.sbtn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(29,110,245,0.4); }

footer { border-top: 1px solid var(--border); padding: 48px; margin-top: 60px; background: var(--surface); }
.footer-inner { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 20px; text-decoration: none; }
.footer-links { display: flex; gap: 28px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 13px; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 13px; color: var(--muted); }

.ru { display: block; }
.en { display: none; }
.ru-i { display: inline; }
.en-i { display: none; }
body.lang-en .ru { display: none; }
body.lang-en .en { display: block; }
body.lang-en .ru-i { display: none; }
body.lang-en .en-i { display: inline; }

@media (max-width: 900px) {
  header { padding: 0 20px; }
  nav { display: none; }
  .page-hero { padding: 100px 20px 40px; }
  .section { padding: 40px 20px; }
  footer { padding: 32px 20px; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
}