/* ==========================================================================
   SEYE — top navigation (sticky · i18n · social slices)
   ========================================================================== */

.nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:transparent;
  transition:height .55s cubic-bezier(.22,.8,.24,1),
             background-color .5s ease,
             box-shadow .5s ease,
             backdrop-filter .5s ease;
}
/* inner pages: the bar is solid brand green from the very top */
.nav--solid{background:var(--green)}
/* home: transparent over the hero, taller (design: content centre at y=69) */
.nav--hero{height:8.625rem}

.nav.is-scrolled{
  background:rgba(36,74,54,.9);
  -webkit-backdrop-filter:blur(1.125rem) saturate(140%);
  backdrop-filter:blur(1.125rem) saturate(140%);
  box-shadow:0 .75rem 2.25rem -1rem rgba(0,0,0,.45);
}
.nav--hero.is-scrolled{height:var(--nav-h)}
.nav.is-hidden{transform:translateY(-100%)}

.nav-inner{
  width:100%;max-width:var(--page);margin-inline:auto;
  height:100%;display:flex;align-items:center;
  padding-left:var(--gutter);
  padding-right:2.8125rem;               /* 45px right breathing room */
  position:relative;
}

/* ---------- brand ---------- */
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand-logo{width:6.5625rem;height:auto;opacity:.98;transition:opacity .35s ease,transform .5s cubic-bezier(.22,.8,.24,1)}
.brand:hover .brand-logo{opacity:1;transform:translateY(-1px)}

/* ---------- primary links ---------- */
.nav-links{display:flex;align-items:center;gap:5.5625rem;margin-left:8.375rem}  /* 89 / 134 */
.nav-links a{
  font-size:1.25rem;font-weight:400;color:rgba(255,255,255,.93);
  position:relative;padding:.25rem 0;white-space:nowrap;
  transition:color .3s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-.125rem;height:1px;width:100%;background:#fff;
  transform:scaleX(0);transform-origin:right;
  transition:transform .45s cubic-bezier(.2,.8,.25,1);
}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.nav-links a[aria-current="page"]{color:#fff}

/* ---------- right action group ---------- */
.nav-actions{margin-left:auto;display:flex;align-items:center}
.nav-socials{display:flex;align-items:center;gap:2.6875rem;margin-left:3.375rem}
.nav-socials a{display:block;line-height:0;opacity:.95;transition:transform .4s cubic-bezier(.2,.8,.25,1),opacity .3s ease}
.nav-socials img{width:auto;height:auto;object-fit:contain}
.nav-socials a:nth-child(1) img{width:2.375rem}
.nav-socials a:nth-child(2) img{width:1.875rem;margin-right:-.3125rem}
.nav-socials a:nth-child(3) img{width:2.1875rem}
.nav-socials a:hover{transform:translateY(-3px) scale(1.06);opacity:1}

/* ---------- language switch ---------- */
.lang{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:.5rem;height:3.0625rem;padding:0 1.0625rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.62);color:#fff;font-size:.9375rem;font-weight:500;letter-spacing:.02em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  background:rgba(255,255,255,.06);cursor:pointer;
  transition:background-color .35s ease,border-color .35s ease,transform .35s ease;
}
.lang-btn:hover{background:rgba(255,255,255,.18);border-color:#fff}
.lang-btn .ico-globe{width:1.125rem;height:1.125rem;fill:none;stroke:currentColor;stroke-width:1.6}
.lang-btn .ico-chev{width:.8125rem;height:.8125rem;fill:none;stroke:currentColor;stroke-width:2.1;transition:transform .35s ease}
.lang.open .ico-chev{transform:rotate(180deg)}

.lang-menu{
  position:absolute;top:calc(100% + .75rem);right:0;min-width:15rem;padding:.625rem;z-index:20;
  background:#fff;border-radius:1rem;box-shadow:0 1.625rem 3.75rem -1.375rem rgba(10,30,20,.5);
  opacity:0;visibility:hidden;transform:translateY(-.625rem) scale(.97);transform-origin:top right;
  transition:opacity .3s ease,transform .35s cubic-bezier(.2,.8,.25,1),visibility .3s;
}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu li{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:.6875rem .875rem;border-radius:.625rem;font-size:.9375rem;color:#2a4234;cursor:pointer;
  transition:background-color .25s ease,color .25s ease,transform .25s ease;
}
.lang-menu li:hover{background:#eef4ee;transform:translateX(.1875rem)}
.lang-menu li.active{background:var(--green);color:#fff}
.lang-menu .lm-code{font-size:.8125rem;font-weight:600;letter-spacing:.08em;opacity:.62}
.lang-menu li.active .lm-code{opacity:.85}

/* ---------- mobile menu ---------- */
.nav-burger{
  display:none;width:2.75rem;height:2.75rem;margin-left:1.25rem;
  align-items:center;justify-content:center;color:#fff;cursor:pointer;
}
.nav-burger span{display:block;width:1.5rem;height:1.5px;background:currentColor;position:relative;transition:transform .4s ease,background-color .3s ease}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:100%;height:1.5px;background:currentColor;transition:transform .4s cubic-bezier(.2,.8,.25,1),top .3s ease}
.nav-burger span::before{top:-.4375rem}
.nav-burger span::after{top:.4375rem}
.nav.open .nav-burger span{background:transparent}
.nav.open .nav-burger span::before{top:0;transform:rotate(45deg)}
.nav.open .nav-burger span::after{top:0;transform:rotate(-45deg)}

/* ---------- mobile drawer — a floating translucent card, never full-screen --- */
.nav-drawer{
  position:fixed;top:calc(4.5rem + .625rem);left:1.25rem;right:1.25rem;bottom:auto;z-index:190;
  max-height:calc(100vh - 6.5rem);
  max-height:calc(100dvh - 6.5rem);
  border-radius:1.5rem;
  background:rgba(30,60,46,.9);
  -webkit-backdrop-filter:blur(1.375rem) saturate(150%);
  backdrop-filter:blur(1.375rem) saturate(150%);
  box-shadow:0 2.25rem 4.5rem -1.5rem rgba(6,20,13,.6),inset 0 0 0 1px rgba(255,255,255,.1);
  color:#fff;padding:1.125rem 1.25rem 1.375rem;
  overflow-y:auto;-webkit-overflow-scrolling:touch;
  opacity:0;visibility:hidden;transform:translateY(-.75rem) scale(.975);transform-origin:top center;
  transition:opacity .35s ease,transform .45s cubic-bezier(.22,.8,.24,1),visibility .35s;
}
/* NB: #navDrawer is a *sibling* of <header id="siteNav">, so the open state is
   matched both via the adjacent-sibling combinator and via a <body> class. */
.nav.open+.nav-drawer,
body.nav-open .nav-drawer{opacity:1;visibility:visible;transform:none}

.nav-drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--serif);font-size:1.3125rem;font-weight:600;line-height:1.2;
  padding:.9375rem .25rem;border-bottom:1px solid rgba(255,255,255,.13);
  transition:padding-left .35s cubic-bezier(.2,.8,.25,1),color .3s ease;
}
.nav-drawer nav a:last-child{border-bottom:0}
.nav-drawer nav a::after{
  content:"\2192";font-family:var(--sans);font-size:.875rem;font-weight:400;opacity:.5;
  transition:transform .35s cubic-bezier(.2,.8,.25,1),opacity .3s ease;
}
.nav-drawer nav a:hover,.nav-drawer nav a[aria-current="page"]{padding-left:.625rem}
.nav-drawer nav a:hover::after{transform:translateX(.25rem);opacity:.9}

.nav-drawer .d-socials{
  display:flex;align-items:center;gap:1.375rem;
  margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.13);
}
.nav-drawer .d-socials a{display:block;line-height:0;opacity:.95;transition:transform .4s cubic-bezier(.2,.8,.25,1),opacity .3s ease}
/* height:auto + align-items:center preserve the artwork ratio — the flex default
   (`stretch`) used to squash all three marks into 28x38 / 28x36 / 28x35 */
.nav-drawer .d-socials img{width:1.5rem;height:auto;object-fit:contain}
.nav-drawer .d-socials a:hover{transform:translateY(-3px) scale(1.08);opacity:1}

/* dimmed page behind the floating card — tap anywhere to dismiss */
.nav-scrim{
  position:fixed;inset:0;z-index:185;background:rgba(8,22,15,.34);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;
  transition:opacity .35s ease,visibility .35s ease;
}
body.nav-open .nav-scrim{opacity:1;visibility:visible}

/* the drawer is a mobile-only surface */
@media (min-width:1024px){ .nav-drawer,.nav-scrim{display:none} }

/* ==========================================================================
   Responsive  (below 1024 the 1920 canvas stops scaling → fluid layout)
   ========================================================================== */
@media (max-width:1023.98px){
  html{font-size:16px}
  .nav,.nav--hero,.nav--hero.is-scrolled{height:4.5rem}
  .nav--solid{background:var(--green)}
  /* same translucent green + blur as the desktop rule once the page scrolls */
  .nav.is-scrolled{
    background:rgba(36,74,54,.9);
    -webkit-backdrop-filter:blur(1.125rem) saturate(140%);
    backdrop-filter:blur(1.125rem) saturate(140%);
    box-shadow:0 .75rem 2.25rem -1rem rgba(0,0,0,.45);
  }
  .nav-inner{padding-left:1.25rem;padding-right:1.25rem}
  .brand-logo{width:5.5rem}
  .nav-links,.nav-socials{display:none}
  .nav-burger{display:flex}
  .lang-btn{height:2.5rem;padding:0 .875rem;font-size:.8125rem;gap:.375rem}
  .lang-menu{min-width:12.5rem;top:calc(100% + .5rem)}
}

/* on tablets the menu stays a floating card instead of spanning the whole bar */
@media (min-width:640px) and (max-width:1023.98px){
  .nav-drawer{left:auto;right:1.25rem;width:21rem;transform-origin:top right}
}
@media (max-width:639.98px){  html{font-size:14px} }