/* =========================================================
   Schrodinger Technologie — Shared Glass Navigation
   One navbar, used on every page, so behaviour and look
   never drift between sections again.
   ========================================================= */

:root{
  --glass-bg: rgba(255, 255, 255, 0.62);
  --glass-bg-strong: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.45);
  --glass-shadow: 0 8px 32px rgba(9, 42, 67, 0.14);
  --nav-ink: #0B2540;
  --nav-blue: #0073C7;
  --nav-cyan: #009BD5;
  --nav-gold: #FCCB06;
}

.site-nav-wrap{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 18px 20px 0;
  pointer-events: none; /* only the bar itself is interactive */
}

.site-nav{
  pointer-events: auto;
  width: 100%;
  max-width: 1320px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 10px 18px 10px 22px;
  border-radius: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: background .45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .45s cubic-bezier(0.16, 1, 0.3, 1), padding .45s cubic-bezier(0.16, 1, 0.3, 1), border-radius .45s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

/* a hairline "water" gradient tracing the top edge of the glass */
.site-nav::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, rgba(0,155,213,.55), rgba(255,255,255,0), rgba(252,203,6,.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.site-nav-wrap.is-scrolled .site-nav{
  background: var(--glass-bg-strong);
  box-shadow: 0 10px 30px rgba(9, 42, 67, 0.20);
  padding-top: 8px;
  padding-bottom: 8px;
}

.site-nav > nav{
  display: contents;
}

.site-nav .nav-logo{
  display: flex;
  align-items: center;
  margin-right: auto;
}
.site-nav .nav-logo img{
  height: 42px;
  width: auto;
  display: block;
}

/* ---- Links ---- */
.site-nav .nav-menu{
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav .nav-menu > li{
  position: relative;
}

.site-nav .nav-menu a,
.site-nav .nav-menu .nav-toggle{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--nav-ink);
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background .3s cubic-bezier(0.16, 1, 0.3, 1), color .3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.site-nav .nav-menu a:hover,
.site-nav .nav-menu .nav-toggle:hover,
.site-nav .nav-menu li.is-open > .nav-toggle{
  background: rgba(0, 115, 199, 0.12);
  color: var(--nav-blue);
}

.site-nav .nav-menu .caret{
  font-size: 0.68rem;
  transition: transform .35s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-nav .nav-menu li.is-open .caret{
  transform: rotate(180deg);
}

/* ---- Dropdowns (glass panels) ---- */
.site-nav .nav-dropdown{
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  padding: 10px;
  border-radius: 14px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  opacity: 0;
  transform: translateY(6px);
  visibility: hidden;
  transition: opacity .32s cubic-bezier(0.16, 1, 0.3, 1), transform .32s cubic-bezier(0.16, 1, 0.3, 1), visibility .32s;
  z-index: 20;
}

.site-nav .nav-menu li.is-open .nav-dropdown,
.site-nav .nav-menu li:hover .nav-dropdown{
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.site-nav .nav-dropdown a{
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--nav-ink);
}
.site-nav .nav-dropdown a:hover{
  background: rgba(0, 155, 213, 0.14);
  color: var(--nav-blue);
}

/* ---- Right side: CTA + socials ---- */
.site-nav .nav-actions{
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 6px;
}

.site-nav .nav-cta{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--nav-blue), var(--nav-cyan));
  color: #fff;
  font-weight: 600;
  font-size: 0.94rem;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(0, 115, 199, 0.35);
  transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}
.site-nav .nav-cta:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 115, 199, 0.42);
}

.site-nav .nav-social{
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-nav .nav-social a{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--nav-ink);
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--glass-border);
  transition: background .3s cubic-bezier(0.16, 1, 0.3, 1), color .3s cubic-bezier(0.16, 1, 0.3, 1), transform .3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-nav .nav-social a:hover{
  color: #fff;
  background: var(--nav-blue);
  transform: translateY(-2px);
}

/* ---- Hamburger ---- */
.site-nav .nav-burger{
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.55);
  color: var(--nav-ink);
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: 8px;
}

/* push page content below the floating glass bar */
body{
  padding-top: 96px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px){
  .site-nav .nav-menu a,
  .site-nav .nav-menu .nav-toggle{
    padding: 10px 10px;
    font-size: 0.98rem;
  }
  .site-nav{ gap: 14px; }
}

@media (max-width: 900px){
  .site-nav-wrap{ padding: 14px 14px 0; }
  .site-nav{ padding: 10px 14px; flex-wrap: wrap; }
  .site-nav .nav-social{ display: none; }
  .site-nav .nav-burger{ display: inline-flex; }

  .site-nav .nav-menu{
    order: 5;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .45s cubic-bezier(0.16, 1, 0.3, 1), opacity .4s cubic-bezier(0.16, 1, 0.3, 1), margin-top .45s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 0;
  }
  .site-nav.is-open .nav-menu{
    max-height: 70vh;
    overflow-y: auto;
    opacity: 1;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--glass-border);
  }

  .site-nav .nav-menu > li{ width: 100%; }
  .site-nav .nav-menu a,
  .site-nav .nav-menu .nav-toggle{
    width: 100%;
    justify-content: space-between;
    padding: 12px 10px;
  }

  .site-nav .nav-dropdown{
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.35);
    display: none;
    margin: 4px 0 6px;
  }
  .site-nav .nav-menu li.is-open .nav-dropdown{ display: block; }

  .site-nav .nav-actions{
    order: 6;
    width: 100%;
    margin: 4px 0 10px;
    justify-content: flex-start;
  }
  .site-nav.is-open .nav-actions{ display: flex; }
  .site-nav:not(.is-open) .nav-actions{ display: none; }
  .site-nav .nav-cta{ width: 100%; justify-content: center; }
}

@media (max-width: 480px){
  .site-nav .nav-logo img{ height: 34px; }
  body{ padding-top: 84px; }
}

@media (prefers-reduced-motion: reduce){
  .site-nav, .site-nav .nav-dropdown, .site-nav .nav-menu, .caret{
    transition: none !important;
  }
}