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

:root {
  --nav-height: 60px;
  --color-bg: #0c0b08;
  --color-surface: #131108;
  --color-border: #211e12;
  --color-text: #f0ead8;
  --color-muted: #888;
  --color-accent: #e8a800;
  --font: "Montserrat", sans-serif;
  --font-display: "DM Serif Display", serif;
}

html {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ── Navigation ─────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(2.5rem, 8vw, 8rem);
  background: rgba(12, 11, 8, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.nav-logo {
  font-size: 1rem;
  font-family: "Montserrat Alternates", sans-serif;
  letter-spacing: 0.12em;
  color: var(--color-text);
  text-decoration: none;
  text-transform: lowercase;
}

.nav-logo .logo-saracen { font-weight: 200; }
.nav-logo .logo-dot     { font-weight: 500; }
.nav-logo .logo-aero    { font-weight: 100; }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ── Language switcher ───────────────────────────────────── */

.nav-lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 1.75rem;
  flex-shrink: 0;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--color-muted);
  padding: 0.2rem 0;
  transition: color 0.2s;
  position: relative;
}

/* 44×44px tap target */
.lang-btn::after {
  content: '';
  position: absolute;
  inset: -0.9rem -0.5rem;
}

.lang-btn.active { color: var(--color-accent); }
.lang-btn:hover  { color: var(--color-text); }

.lang-sep {
  color: var(--color-muted);
  opacity: 0.35;
  font-size: 0.6rem;
  pointer-events: none;
  user-select: none;
}

/* ── Hamburger button (mobile only) ─────────────────────── */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
}

/* Expand tap area to 44×44px without affecting layout or visual size */
.nav-toggle::after {
  content: '';
  position: absolute;
  inset: -0.875rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Easter egg — IDDQD plane ────────────────────────────── */

@keyframes fly-across {
  from { left: -150px; }
  to   { left: calc(100vw + 20px); }
}

.easter-plane {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  animation: fly-across linear forwards;
  height: 80px;
  width: auto;
  filter: drop-shadow(4px 6px 6px rgba(0, 0, 0, 0.55));
}

/* ── Skeleton shimmer ────────────────────────────────────── */

@keyframes shimmer {
  from { background-position:  200% center; }
  to   { background-position: -200% center; }
}

/* ── Back to top ─────────────────────────────────────────── */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, color 0.2s;
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  color: var(--color-text);
}

/* ── Footer ──────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 2.5rem;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

/* ── Reduced motion ──────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Hamburger (mobile only) ─────────────────────────────── */

@media (max-width: 600px) {
  /* Logo left — lang switcher + hamburger grouped on the right.
     space-between would strand the hamburger in the center when three
     items are visible, so switch to flex-start + margin-right: auto. */
  nav {
    justify-content: flex-start;
  }

  .nav-logo {
    margin-right: auto;
  }

  .nav-lang {
    order: 2;           /* sits just before the hamburger */
    margin-left: 0;     /* reset desktop 1.75rem */
    margin-right: 0.75rem;
  }

  .nav-toggle {
    display: flex;
    order: 3;           /* rightmost */
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(12, 11, 8, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li a {
    display: block;
    padding: 0.85rem 2.5rem;
    font-size: 0.85rem;
  }
}