/* style.css (final) */

/* -----------------------------
   Base + Theme
------------------------------ */
:root{
  --bg:#0f172a;
  --card:#0b1222;
  --muted:#94a3b8;
  --text:#e5e7eb;

  --accent:#60a5fa;
  --accent-2:#34d399;

  --border:rgba(148,163,184,.18);

  /* "Domain Snapping"-like blue gradient */
  --h2-grad: linear-gradient(90deg,
    #93c5fd 0%,
    #60a5fa 22%,
    #38bdf8 48%,
    #2563eb 76%,
    #1d4ed8 100%
  );

  /* Brand gradient (edel) */
  --brand-grad: linear-gradient(90deg,
    #e2e8f0 0%,
    #93c5fd 22%,
    #60a5fa 44%,
    #38bdf8 66%,
    #e2e8f0 100%
  );

  /* Button gradient */
  --btn-grad: linear-gradient(135deg,
    #22c55e 0%,
    #34d399 18%,
    #60a5fa 60%,
    #2563eb 100%
  );

  --btn-grad-hover: linear-gradient(135deg,
    #16a34a 0%,
    #22c55e 22%,
    #38bdf8 60%,
    #1d4ed8 100%
  );

  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --shadow-strong: 0 18px 50px rgba(0,0,0,.28);

  --radius-lg: 18px;
  --radius-md: 14px;

  /* Nav sizing */
  --nav-item-minh: 46px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(52,211,153,.12), transparent 60%),
    radial-gradient(1000px 700px at 90% 20%, rgba(96,165,250,.12), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
}

.wrap{
  max-width: 1000px;
  margin: 0 auto;
  padding: 18px 14px 80px;
}

header, section, footer{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

header{ margin: 12px 0 18px; }
section{ margin-top: 18px; }
footer{ margin-top: 18px; display:grid; gap:10px; }

/* -----------------------------
   Typography
------------------------------ */
h1{
  font-size: clamp(28px, 5vw, 44px);
  line-height:1.15;
  margin:0 0 8px 0;
  color:#fff;
  letter-spacing:.2px;
}

h2{
  font-size: clamp(20px, 3.2vw, 28px);
  margin: 6px 0 14px 0;
  letter-spacing:.2px;

  background: var(--h2-grad);
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}

p{ margin: 10px 0 14px; }

.lead{
  color:#d1d5db;
  font-size: clamp(16px, 2.8vw, 18px);
}

.note{
  color:var(--muted);
  font-size:15px;
}

/* -----------------------------
   Links
------------------------------ */
a{
  color: var(--accent-2);
  text-decoration: none;
  border-bottom:1px dashed rgba(52,211,153,.4);
  word-break: break-word;
}

a:hover{ opacity:.92; }

/* -----------------------------
   Layout + Cards
------------------------------ */
.grid{
  display:grid;
  gap:18px;
  grid-template-columns: 1fr;
}

@media (min-width: 820px){
  .grid{ grid-template-columns: 1.2fr .8fr; }
}

.card{
  border:1px solid var(--border);
  border-radius: var(--radius-md);
  padding:18px;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
}

.tag{
  display:inline-block;
  padding:4px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:12px;
  color:#cbd5e1;
  margin-right:8px;
}

/* -----------------------------
   Expert Quote (NEU)
   - robust (bricht nichts)
   - passt ins Template
------------------------------ */
.expert-quote{
  margin: 0;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,.18);
  background:
    radial-gradient(700px 260px at 18% 0%, rgba(96,165,250,.20), transparent 60%),
    radial-gradient(600px 240px at 90% 40%, rgba(52,211,153,.12), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00));
  box-shadow: 0 12px 32px rgba(0,0,0,.22);
  position: relative;
  overflow: hidden;
}

.expert-quote::before{
  content:"";
  position:absolute;
  inset:-2px;
  border-radius: 18px;
  padding: 2px;
  background: linear-gradient(90deg, rgba(147,197,253,.55), rgba(52,211,153,.40), rgba(37,99,235,.55));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events:none;
  opacity:.55;
}

.expert-quote p{
  margin: 0 0 10px 0;
  color: rgba(226,232,240,.96);
  font-size: 16px;
}

.expert-quote .note{
  margin: 0;
  font-size: 14px;
}

/* -----------------------------
   Navigation (überarbeitet)
   - kein Icon nötig (du entfernst es im HTML)
   - Brand größer + edler Verlauf
   - Nav-Items gleiche Größe via min-height + grid
------------------------------ */
.nav{
  position: sticky;
  top: 10px;
  z-index: 50;
  margin: 12px 0 18px;
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;

  padding: 12px 14px;
  border:1px solid var(--border);
  border-radius: 16px;

  background: rgba(11,18,34,.70);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0,0,0,.28);
}

.brand{
  display:flex;
  align-items:center;
  min-width: 0;
}

.brand-title{
  font-weight: 700;
  letter-spacing:.25px;
  font-size: 16px; /* größer */
  line-height: 1.1;

  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;

  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}

@media (min-width: 820px){
  .brand-title{ font-size: 38px; }
}

.nav-toggle{
  appearance:none;
  border:1px solid var(--border);
  background: rgba(255,255,255,.02);
  color:#e5e7eb;
  padding:10px 12px;
  border-radius: 12px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:10px;
  user-select:none;
  border-bottom:none; /* if used as <a> accidentally */
}

.nav-toggle:focus{
  outline: none;
  box-shadow: 0 0 0 4px rgba(96,165,250,.18);
  border-color: rgba(96,165,250,.55);
}

.nav-toggle .burger{
  width:18px;
  height:12px;
  display:inline-block;
  position:relative;
}

.nav-toggle .burger span{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  border-radius: 999px;
  background: rgba(229,231,235,.9);
}

.nav-toggle .burger span:nth-child(1){ top:0; }
.nav-toggle .burger span:nth-child(2){ top:5px; opacity:.9; }
.nav-toggle .burger span:nth-child(3){ bottom:0; opacity:.85; }

.nav-menu{
  margin-top: 10px;
  border:1px solid var(--border);
  border-radius: 16px;
  background: rgba(11,18,34,.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-strong);
  overflow:hidden;
}

.nav-menu ul{
  list-style:none;
  padding: 10px;
  margin:0;
  display:grid;
  gap:10px;
}

.nav-menu li{ margin:0; }

.nav-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;

  padding: 10px 12px;
  min-height: var(--nav-item-minh); /* gleiche Höhe */
  border:1px solid rgba(148,163,184,.14);
  border-radius: 14px;

  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00));
  color:#e5e7eb;
  text-decoration:none;
  border-bottom: none; /* override global link */
}

.nav-menu a:hover{
  border-color: rgba(96,165,250,.35);
  box-shadow: 0 0 0 4px rgba(96,165,250,.10);
}

.nav-menu a span:first-child{
  font-weight: 800;
  letter-spacing:.15px;
}

.nav-menu a .hint{
  font-size: 12px;
  color: rgba(148,163,184,.9);
  white-space: nowrap;
}

details.nav{ margin:12px 0 18px; }
details.nav > summary.nav-inner{ list-style:none; }
details.nav > summary::-webkit-details-marker{ display:none; }
details.nav:not([open]) .nav-menu{ display:none; }

@media (min-width: 820px){
  .nav{ position: static; top:auto; }
  details.nav .nav-menu{
    display:block !important;
    border:0;
    background:transparent;
    box-shadow:none;
    margin-top: 10px;
  }

  /* Desktop: 5 gleich große "Buttons" */
  details.nav .nav-menu ul{
    grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 0;
    gap:12px;
  }

  details.nav .nav-menu a{
    justify-content:center;
    text-align:center;
    padding: 12px 10px;
    min-height: 52px; /* gleiche Höhe, stabil */
  }

  details.nav .nav-menu a .hint{
    display:none; /* Desktop clean */
  }

  .nav-toggle{ display:none; }
}

/* -----------------------------
   Buttons (gradient, consistent)
------------------------------ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  padding: 12px 16px;
  min-height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(148,163,184,.18);

  background: var(--btn-grad);
  color:#06101f;
  font-weight: 900;
  letter-spacing:.2px;

  text-decoration:none;
  border-bottom:none;
  box-shadow: 0 18px 40px rgba(37,99,235,.18);
  transform: translateY(0);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease, background .15s ease;
}

.btn:hover{
  background: var(--btn-grad-hover);
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(37,99,235,.22);
  opacity: .98;
}

.btn:active{
  transform: translateY(0);
  box-shadow: 0 14px 30px rgba(37,99,235,.18);
}

.btn--ghost{
  background: rgba(255,255,255,.03);
  color:#e5e7eb;
  border:1px solid rgba(148,163,184,.22);
  box-shadow:none;
}

.btn--ghost:hover{
  background: rgba(255,255,255,.05);
  box-shadow: 0 0 0 4px rgba(96,165,250,.10);
}

/* -----------------------------
   CTA: Buchvorstellung (aufgeräumt)
   - Desktop: Bild links, Text rechts
   - Mobile: Bild oben, Text unten
------------------------------ */
.cta-book{
  border:1px solid rgba(148,163,184,.18);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-top: 14px;

  background:
    radial-gradient(900px 300px at 18% 0%, rgba(96,165,250,.22), transparent 60%),
    radial-gradient(700px 260px at 90% 40%, rgba(52,211,153,.16), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00));

  box-shadow: var(--shadow-strong);
  overflow:hidden;
  position: relative;
}

.cta-book::after{
  content:"";
  position:absolute;
  inset:-2px;
  border-radius: calc(var(--radius-lg) + 2px);
  padding: 2px;
  background: linear-gradient(90deg, rgba(96,165,250,.55), rgba(52,211,153,.45), rgba(37,99,235,.55));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events:none;
  opacity:.55;
}

.cta-book__badge{
  display:inline-flex;
  align-items:center;
  gap:8px;

  font-size: 12px;
  font-weight: 900;
  letter-spacing:.25px;
  color:#eaf2ff;

  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid rgba(148,163,184,.22);
  background: rgba(15,23,42,.55);
}

.cta-book h3{
  margin: 10px 0 8px;
  font-size: clamp(18px, 3vw, 22px);
  line-height: 1.2;
  color:#fff;
}

.cta-book p{
  margin: 0 0 12px;
  color: rgba(226,232,240,.92);
}

.cta-book__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.cta-book__layout{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
  align-items:center;
  margin-top: 12px;
}

.cta-book__media{
  display:flex;
  justify-content:center;
}

.cta-book__media img{
  width: min(210px, 70%);
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,.18);
  box-shadow: 0 18px 45px rgba(0,0,0,.35);
  background: rgba(255,255,255,.02);
}

.cta-book__content{
  min-width: 0;
}

@media (min-width: 820px){
  .cta-book{ padding: 20px; }
  .cta-book__layout{
    grid-template-columns: 220px 1fr; /* Bild links, Text rechts */
    gap:18px;
  }
  .cta-book__media{ justify-content:flex-start; }
  .cta-book__media img{ width: 210px; }
}

/* -----------------------------
   Table (desktop)
------------------------------ */
.table-wrap{ margin-top:10px; }

table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border-radius: var(--radius-md);
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
}

thead th{
  text-align:left;
  font-weight:600;
  color:#f8fafc;
  padding:14px 14px;
  border-bottom:1px solid var(--border);
  font-size:15px;
}

tbody td{
  padding:14px 14px;
  border-bottom:1px dashed var(--border);
  color:#e2e8f0;
  vertical-align:top;
  font-size:15px;
}

tbody tr:last-child td{ border-bottom:none; }

/* -----------------------------
   Table (mobile stacked cards)
------------------------------ */
@media (max-width: 640px){
  .wrap{ padding: 16px 12px 70px; }
  header, section, footer{ padding: 18px; }

  .table-wrap{
    border:1px solid var(--border);
    border-radius: var(--radius-md);
    overflow:hidden;
  }

  table{ border:0; background:transparent; }
  thead{ display:none; }
  tbody, tr, td{ display:block; width:100%; }

  tbody tr{
    background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
    border-bottom:1px solid var(--border);
    padding:10px 12px;
  }

  tbody tr:last-child{ border-bottom:0; }

  tbody td{
    border:0;
    padding:8px 0;
    display:flex;
    justify-content:space-between;
    gap:12px;
  }

  tbody td::before{
    content: attr(data-label);
    flex: 0 0 44%;
    color:#cbd5e1;
    font-weight:600;
  }

  tbody td:last-child{ padding-bottom:2px; }
}

/* -----------------------------
   Impressum
------------------------------ */
.impressum{
  margin-top:30px;
  font-size:14px;
  color:var(--muted);
  border-top:1px solid var(--border);
  padding-top:20px;
}