/* public/css/components/header.css */

/* Accessibility helper */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);
  white-space:nowrap;border:0;
}

/* Header shell */
.site-header{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08);
  box-shadow:0 4px 20px rgba(0,0,0,.08);
  position:sticky;
  top:0;
  z-index:1000;
  transition:all .3s ease;
}

/* Row always behaves like a container (with fallbacks) */
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;

  /* ensure consistent horizontal margins at ALL widths */
  width:100%;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 16px var(--container-pad, 24px);
  position:relative;
}
.logo{
  display:flex;
  align-items:center;
  transition:transform .3s ease;
}
.logo:hover{
  transform:scale(1.05);
}
.logo img{
  height:52px;
  display:block;
  transition:filter .3s ease;
}
.logo:hover img{
  filter:brightness(1.1);
}

/* Desktop nav */
.main-nav{ 
  display:flex; 
  align-items:center; 
  position:relative;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:40px;                  /* equal spacing incl. Contact button */
  list-style:none;
  margin:0;
  padding:0;
}
.nav-list a{
  color:var(--text);
  text-decoration:none;
  font-weight:500;
  font-size:15px;
  padding:8px 0;
  position:relative;
  transition:all .3s ease;
  border-radius:6px;
}
.nav-list a::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:2px;
  background:linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
  transition:width .3s ease;
}
.nav-list a:hover,
.nav-list a:focus{
  color:var(--primary);
  transform:translateY(-1px);
}
.nav-list a:hover::after,
.nav-list a:focus::after{
  width:100%;
}

/* Contact button look */
.nav-list .btn,
.site-header .btn{
  display:inline-flex !important;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 32px !important;
  border-radius:50px;
  border:2px solid var(--primary);
  text-decoration:none;
  background:transparent;
  color:var(--primary);
  font-weight:600;
  font-size:16px;
  line-height:1.3;
  transition:all .3s ease;
  position:relative;
  overflow:hidden;
  box-shadow:0 4px 12px rgba(108,43,217,.1);
  min-height:44px;
  white-space:nowrap;
}
.nav-list .btn::before,
.site-header .btn::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
  opacity:0;
  transition:opacity .3s ease;
  z-index:1;
}
.nav-list .btn span,
.site-header .btn span{
  position:relative;
  z-index:2;
}
.nav-list .btn:hover,
.nav-list .btn:focus,
.site-header .btn:hover,
.site-header .btn:focus{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(108,43,217,.3);
  border-color:var(--primary);
}
.nav-list .btn:hover span,
.nav-list .btn:focus span,
.site-header .btn:hover span,
.site-header .btn:focus span{
  color:#fff;
}
.nav-list .btn:hover::before,
.nav-list .btn:focus::before,
.site-header .btn:hover::before,
.site-header .btn:focus::before{
  opacity:1;
}

/* Motion safety */
@media (prefers-reduced-motion: reduce) {
  .nav-list .btn:hover, .nav-list .btn:focus,
  .site-header .btn:hover, .site-header .btn:focus { transform: none; }
  .logo:hover { transform: none; }
  .nav-list a:hover, .nav-list a:focus { transform: none; }
  .nav-toggle:hover { transform: none; }
}

/* Mobile toggle button (hamburger) */
.nav-toggle{
  display:none;
  position:relative;
  width:48px; 
  height:48px;
  border:2px solid var(--primary);
  border-radius:12px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:all .3s ease;
  box-shadow:0 4px 12px rgba(108,43,217,.1);
}
.nav-toggle:hover{
  background:var(--primary);
  transform:scale(1.05);
  box-shadow:0 6px 16px rgba(108,43,217,.2);
}
.nav-toggle:hover .nav-toggle-bar{
  background:#fff;
}
.nav-toggle:hover .nav-toggle-bar::before,
.nav-toggle:hover .nav-toggle-bar::after{
  background:#fff;
}

/* The middle bar acts as the width container for all three lines */
.nav-toggle-bar{
  position:absolute;
  left:10px;               /* side padding inside the button */
  right:10px;              /* gives the bar an explicit width */
  height:2px;
  background:var(--text);
  top:50%;
  transform:translateY(-50%);
}

/* Top & bottom bars inherit the container's width */
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  content:"";
  position:absolute;
  left:0;                  /* full width of .nav-toggle-bar */
  right:0;
  height:2px;
  background:inherit;
}

.nav-toggle-bar::before{ top:-10px; }  /* top line */
.nav-toggle-bar::after { top: 10px; }  /* bottom line */

/* Open state → animated X */
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{
  transform:translateY(-50%) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{
  transform:rotate(-90deg);
  top:0;
}

/* Show toggle on mobile */
@media (max-width: 900px){
  .nav-toggle{ display:inline-block; }
}

/* Responsive behavior */
/* Responsive behavior */
@media (max-width: 900px){
  .nav-toggle{ display:inline-block; }

  /* Full-width drop-down panel */
  .main-nav{
    position: fixed;
    top: calc(var(--header-height, 72px) + 8px);
    left: 0; right: 0;
    width: 100vw;
    z-index: 1000;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(0,0,0,.08);
    box-shadow:0 8px 32px rgba(0,0,0,.12);
    transform:translateY(-12px);
    opacity:0; pointer-events:none;
    transition:opacity .3s ease, transform .3s ease;
    border-radius:0 0 16px 16px;
  }
  .main-nav.open{
    transform:translateY(0);
    opacity:1; pointer-events:auto;
  }

  /* Vertical list fills the panel */
  .nav-list{
    display:flex; flex-direction:column;
    align-items:stretch; gap:0; padding:0;
    width:100%;                    /* NEW */
  }

  /* Each item & link stretch to full width */
  .nav-list li{ 
    width:100%; 
    border-bottom:1px solid rgba(0,0,0,.06); 
    transition:background .3s ease;
  }
  .nav-list li:last-child{ border-bottom:none; }

  .nav-list a{
    display:block;
    width:100%;
    padding:18px var(--container-pad, 24px);
    font-size:16px; 
    font-weight:500;
    color:var(--text); 
    text-decoration:none;
    transition:all .3s ease;
    position:relative;
  }
  .nav-list a::after{
    display:none;
  }
  .nav-list a:hover,
  .nav-list a:focus{
    color:var(--primary);
    background:rgba(108,43,217,.08);
    transform:none;
  }

  /* Hide contact button on mobile and tablet */
  .nav-list .btn,
  .nav-list li:last-child{ 
    display:none;
  }
}

/* Desktop restores inline nav and removes panel styles */
@media (min-width: 901px){
  .main-nav{
    position:static;
    box-shadow:none;
    border:none;
    opacity:1;
    transform:none;
    pointer-events:auto;
    padding:0;
  }
}

/* Optional: allow wider content on very large screens (honours tokens if set) */
@media (min-width: 1440px){
  .header-row{ max-width: var(--container-max, 1320px); }
}
@media (min-width: 1680px){
  .header-row{ max-width: var(--container-max, 1440px); }
}