/* ============================================================
   bess-gutachten.css  |  CI: #FEAD00 (Amber/Gold)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300&display=swap');

:root {
  --primary:       #FEAD00;
  --primary-dark:  #c88a00;
  --primary-light: #ffcc44;
  --primary-bg:    #fffbf0;
  --accent:        #1a1a1a;
  --hover:         #F2CE00;
  --text:          #1a1a1a;
  --text-light:    #5a5a5a;
  --bg:            #ffffff;
  --bg-alt:        #fdfaf0;
  --bg-dark:       #1a1400;
  --nav-bg:        #fdf8e8;
  --nav-border:    #e8d890;
  --border:        #edd898;
  --white:         #ffffff;
  --shadow:        0 2px 16px rgba(254,173,0,0.12);
  --shadow-lg:     0 6px 32px rgba(254,173,0,0.20);
  --radius:        6px;
  --radius-lg:     12px;
  --transition:    0.28s ease;
  --font-head:     'Barlow Condensed', sans-serif;
  --font-body:     'Source Serif 4', serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-head);font-weight:700;line-height:1.15;color:var(--accent);letter-spacing:.01em}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.6rem)}
h3{font-size:clamp(1.3rem,2.5vw,1.9rem)}
h4{font-size:1.25rem}
p{margin-bottom:1.1rem}
ul,ol{padding-left:1.5rem;margin-bottom:1rem}
li{margin-bottom:.4rem}

.container{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.skip-link{position:absolute;top:-999px;left:1rem;background:var(--primary);color:var(--accent);padding:.5rem 1rem;border-radius:var(--radius);z-index:9999;font-family:var(--font-head);font-weight:700}
.skip-link:focus{top:1rem}

/* HEADER */
.header-top{background:#fff;border-bottom:1px solid var(--nav-border)}
.header-top__inner{display:flex;align-items:center;gap:1.5rem;max-width:1180px;margin:0 auto;padding:.6rem 1.5rem}
.bdsf-link{display:flex;align-items:center;flex-shrink:0;padding-right:1.5rem;border-right:1px solid var(--nav-border)}
.site-header{position:sticky;top:0;z-index:1000;background:var(--nav-bg);border-bottom:3px solid var(--primary);box-shadow:0 2px 12px rgba(254,173,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.4rem 1.5rem;max-width:1180px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.site-logo__mark{width:44px;height:44px;background:var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-size:1.05rem;font-weight:800;color:var(--accent);flex-shrink:0}
.site-logo__text{display:flex;flex-direction:column}
.site-logo__name{font-family:var(--font-head);font-size:1.25rem;font-weight:800;color:var(--accent);letter-spacing:.03em;line-height:1}
.site-logo__claim{font-size:.65rem;color:var(--primary-dark);letter-spacing:.06em;text-transform:uppercase;line-height:1.2;margin-top:2px}
.main-nav{display:flex;align-items:center}
.nav-menu{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:block;padding:.55rem .9rem;font-family:var(--font-head);font-size:.92rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;transition:color var(--transition),background var(--transition);border-radius:var(--radius)}
.nav-menu>li>a:hover,.nav-menu>li>a.active{background:var(--primary);color:var(--accent)}
.nav-menu .dropdown-toggle::after{content:' ▾';font-size:.75em;opacity:.7}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;background:var(--white);border:1px solid var(--nav-border);border-top:3px solid var(--primary);border-radius:0 0 var(--radius) var(--radius);min-width:230px;box-shadow:var(--shadow-lg);z-index:500;padding:.4rem 0}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:.5rem 1.1rem;font-family:var(--font-head);font-size:.9rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.04em;transition:background var(--transition)}
.dropdown-menu a:hover{background:var(--primary-bg);color:var(--primary-dark)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.4rem;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--accent);transition:transform var(--transition),opacity var(--transition)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* HERO */
.hero{position:relative;min-height:500px;display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-image:url('../images/bess-gutachten.png');background-size:cover;background-position:center 40%;z-index:0}
.hero__content{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:3rem 1.5rem;width:100%;display:flex;align-items:center}
.hero__box{background:rgba(26,20,0,.87);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-left:4px solid var(--primary);border-radius:0 var(--radius-lg) var(--radius-lg) 0;padding:2.5rem 2.8rem 2.5rem 2.2rem;max-width:540px;box-shadow:0 8px 40px rgba(0,0,0,.4)}
.hero__kicker{display:inline-block;background:var(--primary);color:var(--accent);font-family:var(--font-head);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:.28rem .85rem;border-radius:var(--radius);margin-bottom:1rem}
.hero h1{color:var(--white);margin-bottom:1rem;font-size:clamp(1.8rem,4vw,3rem);text-shadow:0 1px 6px rgba(0,0,0,.4)}
.hero__lead{color:rgba(255,255,255,.88);font-size:1rem;margin-bottom:1.8rem;font-weight:300;line-height:1.65}
.hero__cta{display:flex;flex-wrap:wrap;gap:.85rem}

/* BUTTONS */
.btn{display:inline-block;font-family:var(--font-head);font-size:.95rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:.72rem 1.7rem;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:all var(--transition);text-decoration:none}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--primary{background:var(--primary);color:var(--accent);border-color:var(--primary)}
.btn--primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--white)}
.btn--outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.7)}
.btn--outline:hover{background:var(--primary);border-color:var(--primary);color:var(--accent)}
.btn--dark{background:var(--accent);color:var(--white);border-color:var(--accent)}
.btn--dark:hover{background:var(--primary);border-color:var(--primary);color:var(--accent)}
.btn--sm{padding:.5rem 1.2rem;font-size:.85rem}

/* BREADCRUMB */
.breadcrumb{padding:.75rem 0;font-size:.82rem;color:var(--text-light);font-family:var(--font-head)}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}
.breadcrumb li+li::before{content:'›';margin-right:.3rem;color:var(--primary-dark)}
.breadcrumb a{color:var(--primary-dark);font-weight:600}
.breadcrumb a:hover{color:var(--primary)}

/* PAGE HEADER */
.page-header{background:linear-gradient(135deg,var(--bg-dark) 0%,#2a1f00 100%);color:var(--white);padding:3rem 0 2.5rem;border-bottom:4px solid var(--primary)}
.page-header h1{color:var(--white);margin-bottom:.5rem}
.page-header .lead{color:rgba(255,255,255,.8);font-size:1.05rem;font-weight:300;max-width:680px}

/* SECTIONS */
.section{padding:4rem 0}
.section--sm{padding:2.5rem 0}
.section__header{margin-bottom:2.5rem}
.section__header .eyebrow{display:inline-block;font-family:var(--font-head);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-dark);margin-bottom:.5rem}
.section__header h2{margin-bottom:.75rem}
.section__header p{color:var(--text-light);font-size:1.05rem;max-width:640px}
.section__header--center{text-align:center}
.section__header--center p{margin:0 auto}
.divider{width:60px;height:4px;background:var(--primary);border-radius:2px;margin:1rem 0 1.5rem}
.divider--center{margin:1rem auto 1.5rem}

/* CARDS */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.card-grid--2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.card__icon{font-size:2.2rem;margin-bottom:1rem}
.card h3{margin-bottom:.6rem;font-size:1.25rem}
.card p{color:var(--text-light);font-size:.95rem;margin-bottom:0}
.card--highlight{border-top:4px solid var(--primary)}

/* INFO-BOX / NORM-BOX */
.info-box{background:var(--bg-alt);border-left:5px solid var(--primary);border-radius:0 var(--radius-lg) var(--radius-lg) 0;padding:1.4rem 1.6rem;margin:1.5rem 0}
.info-box--dark{background:var(--bg-dark);color:var(--white);border-left-color:var(--primary)}
.info-box--dark h4{color:var(--primary)}
.info-box--dark p,.info-box--dark li{color:rgba(255,255,255,.85)}
.info-box h4{margin-bottom:.4rem;color:var(--accent)}
.norm-box{background:var(--white);border:2px solid var(--primary);border-radius:var(--radius-lg);padding:1.4rem 1.6rem;margin:1.5rem 0}
.norm-box h4{color:var(--primary-dark);font-family:var(--font-head);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.6rem}

/* FEATURE LIST */
.feature-list{list-style:none;padding:0}
.feature-list li{padding:.55rem 0 .55rem 2rem;position:relative;border-bottom:1px solid var(--border);font-size:.97rem}
.feature-list li:last-child{border-bottom:none}
.feature-list li::before{content:'✓';position:absolute;left:0;color:var(--primary-dark);font-weight:700;font-family:var(--font-head)}

/* TWO-COLUMN */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.two-col--60-40{grid-template-columns:3fr 2fr}
.two-col--40-60{grid-template-columns:2fr 3fr}

/* TABLE */
.table-wrap{overflow-x:auto;margin:1.5rem 0}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th{background:var(--primary);color:var(--accent);font-family:var(--font-head);font-weight:700;padding:.7rem 1rem;text-align:left}
td{padding:.65rem 1rem;border-bottom:1px solid var(--border)}
tr:nth-child(even) td{background:var(--bg-alt)}
tr:hover td{background:#fef5d0}

/* ACCORDION */
.accordion{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.accordion-item+.accordion-item{border-top:1px solid var(--border)}
.accordion-btn{width:100%;text-align:left;background:none;border:none;padding:1.1rem 1.4rem;font-family:var(--font-head);font-size:1.05rem;font-weight:700;color:var(--accent);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background var(--transition)}
.accordion-btn::after{content:'+';font-size:1.4rem;color:var(--primary-dark)}
.accordion-btn.open{background:var(--bg-alt)}
.accordion-btn.open::after{content:'−'}
.accordion-body{display:none;padding:0 1.4rem 1.2rem;color:var(--text-light);font-size:.97rem}
.accordion-body.open{display:block}

/* CONTENT LAYOUT */
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:2.5rem;align-items:start}
.content-main h2{margin-top:2rem;margin-bottom:.8rem}
.content-main h2:first-child{margin-top:0}
.content-main h3{margin-top:1.6rem;margin-bottom:.6rem}
.sidebar-box{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem;margin-bottom:1.5rem}
.sidebar-box h4{font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.9rem;color:var(--primary-dark);font-weight:700}
.sidebar-box ul{list-style:none;padding:0}
.sidebar-box ul li{margin-bottom:.4rem}
.sidebar-box ul li a{font-size:.875rem;color:var(--text)}
.sidebar-box ul li a:hover{color:var(--primary-dark)}
.sidebar-box--cta{background:var(--primary);color:var(--accent);text-align:center}
.sidebar-box--cta h4{color:var(--accent)}
.sidebar-box--cta p{color:rgba(26,26,26,.8);font-size:.9rem;margin-bottom:1rem}

/* PARTNER LINKS */
.partner-links{background:var(--bg-alt);padding:2.5rem 0;border-top:3px solid var(--primary)}
.partner-links__inner{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.partner-links h3{color:var(--accent);font-size:1rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem;font-weight:700}
.partner-links__grid{display:flex;flex-wrap:wrap;gap:.75rem}
.partner-link{display:inline-flex;align-items:center;gap:.4rem;background:var(--white);border:1px solid var(--nav-border);color:var(--accent);padding:.45rem 1rem;border-radius:var(--radius);font-family:var(--font-head);font-size:.85rem;font-weight:600;text-decoration:none;transition:all var(--transition)}
.partner-link:hover{background:var(--primary);border-color:var(--primary);color:var(--accent)}
.partner-link::before{content:'→'}

/* FOOTER */
.site-footer{background:var(--nav-bg);color:var(--text-light);padding:3rem 0 0;font-size:.9rem;border-top:2px solid var(--nav-border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;max-width:1180px;margin:0 auto;padding:0 1.5rem 2.5rem}
.footer-col h4{color:var(--accent);font-family:var(--font-head);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem;font-weight:700}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin-bottom:.45rem}
.footer-col a{color:var(--text-light);font-size:.875rem;transition:color var(--transition)}
.footer-col a:hover{color:var(--primary-dark)}
.footer-col p{color:var(--text-light);font-size:.85rem;line-height:1.7;margin-bottom:.5rem}
.footer-bottom{border-top:1px solid var(--nav-border);padding:1.2rem 1.5rem;max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;font-size:.8rem;color:var(--text-light)}
.footer-bottom a{color:var(--text-light)}
.footer-bottom a:hover{color:var(--primary-dark)}

/* RESPONSIVE */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .content-layout{grid-template-columns:1fr}
  .two-col,.two-col--60-40,.two-col--40-60{grid-template-columns:1fr;gap:2rem}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .bdsf-link{display:none}
  .nav-menu{display:none;flex-direction:column;width:100%;background:var(--nav-bg);border-top:1px solid var(--nav-border);padding:.5rem 0 1rem}
  .nav-menu.open{display:flex}
  .nav-menu>li>a{padding:.7rem 1.5rem}
  .dropdown-menu{position:static;border:none;box-shadow:none;padding-left:1.5rem}
  .header-inner{flex-wrap:wrap}
  .main-nav{width:100%;flex-direction:column;align-items:stretch}
  .hero{min-height:420px}
  .hero__box{max-width:100%;border-radius:var(--radius-lg)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  h1{font-size:1.8rem}
  .btn{padding:.65rem 1.3rem;font-size:.88rem}
  .hero__cta{flex-direction:column}
}
@media print{
  .site-header,.site-footer,.partner-links{display:none}
  body{font-size:12pt;color:#000}
}