/* =========================================================
   Alexander Gentner – Manual / Blueprint Theme (CLEAN)
   - Desktop: Top-Navigation + Hover Dropdown
   - Mobile: Off-canvas "ACCESS PANEL" + Backdrop + Accordion
   - Fix: Backdrop darf NICHT über dem Panel liegen (Stacking Context)
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  /* Paper base */
  --paper:  #f3efe6;
  --paper2: #fbf8f2;

  /* Ink */
  --ink:   #1c1c1c;
  --muted: #4b4b4b;

  /* Lines & shadows */
  --line:   rgba(0,0,0,.12);
  --line2:  rgba(0,0,0,.08);
  --shadow: rgba(0,0,0,.18);

  /* Accent */
  --accent:  #1f6f8b;  /* change this for a new theme */
  --accent2: #8a6b3f;  /* sepia helper */

  /* Layout */
  --wrap: 1100px;
  --gap:  16px;

  /* Geometry */
  --radius: 0px;

  /* Grid over site-main */
  --grid-size: 32px;   /* finer grid */
  --grid-alpha: .38;   /* stronger grid */
  --grid-line:  rgba(0,0,0,.10);
  --grid-line2: rgba(0,0,0,.08);
  --grid-major: rgba(0,0,0,.14);
  --grid-major2:rgba(0,0,0,.12);

  /* Typography */
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*{ box-sizing:border-box; }
html,body{
  height:100%;
  overflow-x:hidden;
}

body{
  margin:0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 600px at 20% -10%, color-mix(in srgb, var(--accent), transparent 88%), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, color-mix(in srgb, var(--accent2), transparent 88%), transparent 55%),
    var(--paper);
  letter-spacing: .01em;
}

/* Scroll lock on mobile nav open */
body.nav-open{
  overflow: hidden;
}

/* ---------- Helpers ---------- */
.wrap{
  width: min(var(--wrap), calc(100% - 32px));
  margin: 0 auto;
}
.muted{ color: var(--muted); }
.kicker{
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
}

/* Links */
a{ color: var(--accent); text-decoration:none; }
a:hover{
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 55%);
}

/* Type */
h1,h2,h3{ margin:0; color: var(--ink); letter-spacing:.01em; }
h1{
  font-weight: 820;
  font-size: 2.05rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: .07em;
}
h2{
  font-weight: 780;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

/* =========================================================
   HEADER + NAV
   ========================================================= */

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 80; /* will be boosted on mobile when nav-open */
  background: rgba(243,239,230,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  flex-direction:column;
  gap: 2px;
  color: var(--ink);
  text-decoration:none;
}
.brand-title{ font-weight: 900; letter-spacing:.02em; }
.brand-sub{ font-size: .9rem; color: var(--muted); }

/* ---------- Nav Toggle (mobile only) ---------- */
.nav-toggle{
  display:none;
  border: 1px solid var(--line);
  background: rgba(251,248,242,.92);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor:pointer;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- Backdrop (mobile only) ---------- */
.nav-backdrop{
  display:none;
}

/* ---------- Nav (default hidden; defined per breakpoint) ---------- */
.nav{ display:none; }

/* ---------- Desktop nav ---------- */
@media (min-width: 861px){
  .nav{
    display:flex;
    align-items:center;
    gap: 10px;
  }

  /* hide panel-only elements on desktop */
  .nav-panel-head,
  .nav-panel-foot,
  .nav-close{
    display:none;
  }

  .nav a,
  .dropbtn{
    display:inline-flex;
    align-items:center;
    gap: 8px;

    color: var(--ink);
    text-decoration:none;
    border: 1px solid transparent;
    border-bottom: 2px solid transparent;

    padding: 10px 10px;
    border-radius: var(--radius);
    background: transparent;
    font: inherit;
    cursor: pointer;
  }

  .nav a:hover,
  .dropbtn:hover{
    background: rgba(0,0,0,.02);
    border-color: rgba(0,0,0,.06);
    border-bottom-color: var(--accent);
  }

  .nav a.active,
  .dropbtn.active{
    border-color: color-mix(in srgb, var(--accent), transparent 80%);
    border-bottom-color: var(--accent);
  }

  .dropdown{ position:relative; }

  .dropmenu{
    display:none;
    position:absolute;
    top: 44px;
    left: 0;
    min-width: 240px;

    background: rgba(251,248,242,.98);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 8px;

    box-shadow: 0 18px 45px rgba(0,0,0,.14);
  }

  .dropdown:hover .dropmenu{ display:block; }

  .dropmenu a{
    display:block;
    padding: 10px 10px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    color: var(--ink);
  }

  .dropmenu a:hover{
    background: rgba(0,0,0,.02);
    border-color: rgba(0,0,0,.06);
    text-decoration:none;
  }

  .dropmenu a.active{
    background: color-mix(in srgb, var(--accent), transparent 88%);
    border-color: color-mix(in srgb, var(--accent), transparent 78%);
    text-decoration:none;
  }
}

/* ---------- Mobile nav: Off-canvas ACCESS PANEL ---------- */
@media (max-width: 860px){
  .nav-toggle{ display:inline-flex; }

  /* Backdrop sits UNDER the panel */
  .nav-backdrop{
    display:block;
    position:fixed;
    inset:0;
    background: rgba(0,0,0,.35);
    opacity:0;
    pointer-events:none;
    transition: opacity .2s ease;
    z-index: 900;

    /* Backdrop should not accept scroll gestures */
    touch-action: none;
  }
  body.nav-open .nav-backdrop{
    opacity:1;
    pointer-events:auto;
  }

  /* CRITICAL FIX:
     Panel lives inside the sticky header stacking context.
     Boost header z-index when open so panel can sit above backdrop. */
  body.nav-open .site-header{
    z-index: 1200;
  }

  /* Panel */
  .nav{
    display:flex;
    flex-direction: column;
    gap: 10px;

    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(88vw, 360px);

    padding: 16px 14px 14px;

    border-left: 4px solid var(--accent);
    box-shadow: 0 18px 55px rgba(0,0,0,.22);

    background:
      linear-gradient(to right, rgba(0,0,0,.10) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(0,0,0,.08) 1px, transparent 1px),
      linear-gradient(180deg, rgba(251,248,242,.98), rgba(243,239,230,.98));
    background-size: 32px 32px, 32px 32px, auto;

    transform: translateX(100%);
    transition: transform .28s ease;

    /* must be above backdrop */
    z-index: 1100;

    overflow:auto;
    -webkit-overflow-scrolling: touch;

    /* Panel should remain scrollable */
    touch-action: pan-y;
  }

  .nav.open{ transform: translateX(0); }

  .nav-panel-head{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap: 12px;

    padding: 10px 10px 12px;
    border: 1px solid var(--line);
    background: rgba(251,248,242,.92);
  }

  .nav-panel-name{
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 2px;
    color: var(--ink);
  }

  .nav-panel-meta{
    font-size: .85rem;
    color: var(--muted);
    margin-top: 2px;
  }

  .nav-close{
    border: 1px solid var(--line);
    background: rgba(251,248,242,.92);
    padding: 10px 12px;
    cursor:pointer;
    font: inherit;
    color: var(--ink);
  }

  .nav-panel-foot{
    margin-top: 6px;
    padding: 10px 10px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: .9rem;
  }

  /* Entries */
  .nav a,
  .dropbtn{
    width: 100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 10px;

    padding: 14px 12px;
    border: 1px solid rgba(0,0,0,.10);
    border-bottom: 2px solid rgba(0,0,0,.12);
    background: rgba(251,248,242,.92);
    color: var(--ink);

    font: inherit;
    cursor: pointer;
    text-decoration:none;
  }

  .nav a:hover,
  .dropbtn:hover{
    border-color: color-mix(in srgb, var(--accent), transparent 70%);
    text-decoration:none;
  }

  .nav a.active,
  .dropbtn.active{
    border-color: color-mix(in srgb, var(--accent), transparent 55%);
    background: color-mix(in srgb, var(--accent), transparent 88%);
    text-decoration:none;
  }

  .dropdown{ position: static; }
  .dropdown:hover .dropmenu{ display:none; } /* no hover on mobile */

  /* Accordion submenu */
  .dropmenu{
    display:none;
    position: static;
    min-width: unset;

    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }
  
  @media (max-width: 860px){

  /* Accordion submenu */
  .dropmenu{
    display:none;
    position: static;
    min-width: unset;
    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }

  /* ✅ Öffnen, egal ob JS .open auf .dropmenu setzt ... */
  .dropmenu.open{ 
    display:flex; 
    flex-direction: column;
    gap: 8px;
    padding-left: 10px;
  }

  /* ✅ ...oder ob JS nur aria-expanded am Button setzt */
  .dropbtn[aria-expanded="true"] + .dropmenu{
    display:flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 10px;
  }

  /* ✅ ...oder ob JS .open am Parent (.dropdown) setzt */
  .dropdown.open > .dropmenu{
    display:flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 10px;
  }

  .dropmenu a{
    border-radius: var(--radius);
    border: 1px dashed var(--line);
    background: rgba(251,248,242,.92);
    padding: 12px 12px;
    border-left: 2px solid color-mix(in srgb, var(--accent), transparent 50%);
  }

  .dropbtn[aria-expanded="true"]{
    border-bottom-color: var(--accent);
  }
}



  .dropmenu.open{ display:block; }

  .dropmenu a{
    margin-top: 8px;
    background: rgba(251,248,242,.92);
    border: 1px solid rgba(0,0,0,.08);
    padding: 12px 12px;
    border-left: 2px solid color-mix(in srgb, var(--accent), transparent 50%);
    color: var(--ink);
  }

  .dropbtn[aria-expanded="true"]{
    border-bottom-color: var(--accent);
  }
}

/* =========================================================
   MAIN + GRID OVERLAY
   ========================================================= */

.site-main{
  padding: 28px 0 52px;
  position: relative;
  z-index: 0;
}

/* blueprint grid over site-main */
.site-main::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;

  background:
    /* fine */
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line2) 1px, transparent 1px),

    /* major every 5 */
    linear-gradient(to right, var(--grid-major) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-major2) 1px, transparent 1px);

  background-size:
    var(--grid-size) var(--grid-size),
    var(--grid-size) var(--grid-size),
    calc(var(--grid-size) * 5) calc(var(--grid-size) * 5),
    calc(var(--grid-size) * 5) calc(var(--grid-size) * 5);

  opacity: var(--grid-alpha);
  mix-blend-mode: multiply;
  z-index: 0;
}

/* Ensure content renders above grid */
.site-main > .wrap{
  position: relative;
  z-index: 1;
}

/* ---------- Hero ---------- */
.hero{
  background: linear-gradient(180deg, rgba(251,248,242,.92), rgba(243,239,230,.92));
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 18px;
}

/* =========================================================
   CARDS
   ========================================================= */

.cards{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
  margin-top: 16px;
}

.card{
  grid-column: span 6;
  position: relative;

  background: linear-gradient(180deg, rgba(251,248,242,.96), rgba(243,239,230,.96));
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);

  padding: 18px;
  overflow:hidden;

  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}

/* Tech corner */
.card::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:18px;
  height:18px;
  border-top: 2px solid color-mix(in srgb, var(--accent), transparent 55%);
  border-right:2px solid color-mix(in srgb, var(--accent), transparent 55%);
  pointer-events:none;
}

/* Optional blueprint watermark: set --wm in HTML */
.card.sketch::before{
  content:"";
  position:absolute;
  inset:-50px;
  background-image: var(--wm);
  background-repeat:no-repeat;
  background-size: 140% auto;
  background-position: 110% 20%;
  opacity:.18;
  filter: grayscale(.15) contrast(1.05);
  mix-blend-mode: multiply;
  pointer-events:none;
}

.card-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
}

.pill{
  border: 1px dashed color-mix(in srgb, var(--accent), transparent 40%);
  padding: 6px 10px;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: color-mix(in srgb, var(--ink), transparent 35%);
  background: rgba(251,248,242,.92);
}

.card-link{
  display:inline-block;
  margin-top: 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink), transparent 60%);
}
.card-link:hover{ border-bottom-style:dashed; }

.card-actions{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 12px;
}

.chip{
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(251,248,242,.92);
  padding: 8px 10px;
  border-left: 3px solid var(--accent);
  color: var(--ink);
}

/* Area accents (optional) */
.card.portrait{ border-left-color: #203a5f; }
.card.hangar{   border-left-color: var(--accent); }
.card.workshop{ border-left-color: var(--accent2); }
.card.books{    border-left-color: #5b6f4a; }

/* Responsive cards */
@media (max-width: 860px){
  .card{ grid-column: span 12; }
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer{
  border-top: 1px solid var(--line);
  padding: 16px 0;
  background: rgba(243,239,230,.70);
}

.footer-row{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
  color: var(--muted);
}

.stamp{
  display:inline-block;
  font-weight: 900;
  letter-spacing: .1em;
  border: 2px solid color-mix(in srgb, var(--ink), transparent 45%);
  padding: 8px 10px;
  border-radius: var(--radius);
  background: rgba(251,248,242,.75);
  text-transform: uppercase;
}