@font-face {
  font-family: 'Poppins';
  src: url('/font/poppins.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

/* Global box-sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Base */
html,
body {
  margin: 0;
  padding: 0;
  background-color: #020617; /* fallback, ciemne tło */
  color: #e5e7eb;
  font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Ogólna typografia */
p,
a,
label {
  margin: 0;
  padding: 0;
  font-size: 1rem;
  color: #e5e7eb;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

/* Nagłówki */
h1,
h2 {
  text-align: center;
  color: #f9fafb;
  margin: 25px 0;
  font-weight: 600;
}

h1 {
  font-size: 1.75em;
  letter-spacing: 0.03em;
}

h2 {
  font-size: 1.5em;
}

/* MENU BAR */
#menubar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 64px;
  width: 100%;
  display: flex;
  align-items: center;
  padding: 0 24px;
  background: rgba(15, 23, 42, 0.96); /* bardzo ciemny granat */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.menu-logo-link {
  display: flex;
  align-items: center;
}

#logo {
  height: 40px;
  width: auto;
  display: block;
}

/* Prawa strona menu */
.menu-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Linki w menu */
.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #e5e7eb;
  opacity: 0.85;
  transition: background-color 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
}

.m-btn:hover,
.m-btn:focus-visible {
  background-color: rgba(51, 65, 85, 0.8);
  opacity: 1;
  transform: translateY(-1px);
}

/* Podkreślenie przycisku "Sign up" */
.m-btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #f9fafb;
  opacity: 1;
}

.m-btn-primary:hover,
.m-btn-primary:focus-visible {
  background: linear-gradient(135deg, #38bdf8, #3b82f6);
}

/* Responsywność menu */
@media (max-width: 576px) {
  #menubar {
    padding: 0 12px;
    height: 56px;
  }

  #logo {
    height: 32px;
  }

  .menu-right {
    gap: 8px;
  }

  .m-btn {
    padding: 4px 8px;
    font-size: 0.85rem;
  }

  .m-btn-primary {
    padding: 4px 10px;
  }
}