*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #080808;
  --surface: #111111;
  --border:  #1e1e1e;
  --text:    #f0f0f0;
  --muted:   #666666;
  --ca-a:    rgba(0, 180, 185, 0.4);
  --ca-b:    rgba(123, 0, 185, 0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Saira', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5rem 0; }

hr.divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

#lang-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

#lang-toggle:hover { color: var(--text); }

/* ── Footer ── */
.footer-wordmark {
  width: 120px;
  height: auto;
  opacity: 0.5;
}

footer {
  padding: 1.75rem 0;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-bottom span:last-child {
  text-align: right;
}

.footer-bottom a {
  color: #3a3a3a;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom a:hover { color: var(--muted); }

/* ── Responsive ── */
@media (max-width: 600px) {
  section { padding: 4rem 0; }

  .footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }

  .footer-bottom span:last-child { text-align: center; }

  .footer-wordmark { order: -1; }
}