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

:root {
  --navy:   #05172e;
  --deep:   #0a2540;
  --mid:    #0e3d6e;
  --blue:   #1166b0;
  --bright: #1e8fff;
  --sky:    #5bbcff;
  --ice:    #b8e3ff;
  --white:  #f0f8ff;
  --accent: #00d4ff;
  --gold:   #f0b429;
  --border: rgba(91,188,255,0.18);
  --ff-head: 'Bebas Neue', sans-serif;
  --ff-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--blue); }

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.5rem,5vw,4rem);
  height: 64px;
  background: rgba(5,23,46,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: 1rem; }
.nav-logo {
  font-family: var(--ff-head);
  font-size: 1.5rem;
  letter-spacing: .06em;
  color: var(--accent);
  text-decoration: none;
}
.nav-logo span { color: var(--white); }
.nav-cs-logo { height: 36px; width: auto; }
@media(max-width:820px) { .nav-cs-logo { height: 30px; } }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--ice);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent);
  color: var(--navy) !important;
  padding: .45rem 1.2rem;
  font-weight: 700 !important;
  border-radius: 4px;
}
.nav-cta:hover { background: var(--sky); color: var(--navy) !important; }

.lang-switcher { display:flex; gap:.3rem; align-items:center; margin-left:1.5rem; }
.lang-switcher a { font-size:.7rem; font-weight:700; letter-spacing:.08em; color:var(--sky); text-decoration:none; padding:.2rem .45rem; border:1px solid transparent; transition:.2s; }
.lang-switcher a:hover { color:var(--accent); border-color:rgba(0,212,255,.3); }
.lang-switcher a.active { color:var(--accent); border-color:var(--accent); }
@media(max-width:820px) { .lang-switcher { display:none; } }

.burger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:10px; margin-right:-10px; }
.burger span { display:block; width:26px; height:2px; background:var(--ice); transition:.3s; border-radius:2px; }
.mobile-menu {
  display:none; position:fixed; top:64px; left:0; right:0; z-index:99;
  background: rgba(5,23,46,0.97);
  backdrop-filter: blur(12px);
  flex-direction:column;
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display:flex; }
.mobile-menu a {
  padding:1rem clamp(1.5rem,5vw,4rem);
  color:var(--ice); text-decoration:none;
  font-size:.9rem; font-weight:500; letter-spacing:.04em; text-transform:uppercase;
  border-bottom:1px solid var(--border);
}
.mobile-menu a:hover { color:var(--accent); }

@media(max-width:820px) {
  .nav-links { display:none; }
  .burger { display:flex; }
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem;
  font-family: var(--ff-body);
  font-size: .95rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  text-decoration: none;
  cursor: pointer; border: none; transition: .2s;
}
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: #33ddff; transform: translateY(-2px); }
.btn-secondary {
  background: transparent;
  color: var(--ice);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ─── FOOTER BOTTOM ─── */
.footer-bottom {
  max-width: 1200px;
  display: flex; flex-wrap:wrap; justify-content: space-between; align-items: center;
  gap: 1rem;
}
.footer-bottom p { font-size: .78rem; color: rgba(91,188,255,.5); }
.footer-bottom a { color: rgba(91,188,255,.5); text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ─── MOBILE GENERAL ─── */
@media(max-width:820px) {
  .nav-brand a { display:flex; }
  .nav-cs-logo { height:28px; }
}
@media(max-width:600px) {
  .btn { padding:.75rem 1.5rem; font-size:.875rem; }
}