/* =====================================================================
   DIETER DIGITAL e.V. — Stylesheet (v2, überarbeitet)
   Blau dominant, Grün als Zweitakzent. Fonts lokal (DSGVO-konform).
   Fokus: sauberer Header, robustes Mobil-Layout, Kontrast (WCAG AA),
   dezente Hover-Politur.
   ===================================================================== */

/* ---------- Fonts (lokal) ---------- */
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Open Sans";src:url("../fonts/opensans-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Open Sans";src:url("../fonts/opensans-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --navy-900:#0B2A44; --blue-700:#14568A; --blue-500:#1E73B8; --sky-300:#67ADDB; --sky-100:#E7F0F6;
  --green-600:#4E7D30; --green-500:#588737;
  --ink:#14232F; --muted:#5B6B77; --bg:#F5F7F9; --card:#FFFFFF; --border:#E4E9ED; --white:#fff;
  --head:"Montserrat",system-ui,sans-serif; --body:"Open Sans",system-ui,sans-serif;
  --radius:12px; --shadow:0 1px 3px rgba(11,42,68,.08),0 8px 28px rgba(11,42,68,.07);
  --shadow-hover:0 12px 34px rgba(11,42,68,.14);
  --wrap:1200px;
}

/* ---------- Reset / Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
h1,h2,h3,h4{font-family:var(--head);font-weight:700;color:var(--navy-900);line-height:1.2;margin:0 0 .5em;
  overflow-wrap:break-word;hyphens:auto}
h1{font-size:clamp(2rem,4.5vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.15rem)}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1rem;overflow-wrap:break-word}
li{overflow-wrap:break-word}
a{color:var(--blue-700);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
section{padding:60px 0}
.lead{font-size:1.18rem;color:var(--muted)}
.eyebrow{font-family:var(--head);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;color:var(--blue-700);margin-bottom:.6rem}
.center{text-align:center}
.muted{color:var(--muted)}
:focus-visible{outline:3px solid var(--sky-300);outline-offset:2px;border-radius:4px}

/* ---------- Skip link ---------- */
.skip{position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;padding:10px 16px;z-index:1000}
.skip:focus{left:8px;top:8px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--head);font-weight:600;font-size:1rem;
  padding:.8em 1.5em;border-radius:999px;border:2px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .18s,color .18s,transform .18s,box-shadow .18s}
.btn svg{width:1.15em;height:1.15em;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--blue-700);color:#fff}
.btn-primary:hover{background:var(--navy-900);color:#fff;text-decoration:none;box-shadow:0 8px 20px rgba(11,42,68,.25)}
.btn-donate{background:var(--green-600);color:#fff}
.btn-donate:hover{background:var(--green-500);color:#fff;text-decoration:none;box-shadow:0 8px 20px rgba(78,125,48,.3)}
.btn-ghost{background:transparent;color:var(--navy-900);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--blue-700);color:var(--blue-700);text-decoration:none;background:var(--sky-100)}
.btn-white{background:#fff;color:var(--navy-900)}
.btn-white:hover{background:var(--sky-100);color:var(--navy-900);text-decoration:none;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.btn:hover{transform:translateY(-2px)}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy-900);color:#cfe0ee;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:10px 20px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#fff}
@media(max-width:520px){.hide-sm{display:none}.topbar .wrap{font-size:.78rem}}
@media(max-width:380px){.brand-txt b{font-size:.74rem}}
@media(max-width:340px){.brand-txt{display:none}}

/* ---------- Header / Nav ---------- */
.site-header{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.site-header .wrap{display:flex;align-items:center;flex-wrap:nowrap;gap:clamp(14px,2vw,34px);padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;flex:0 0 auto}
.brand img{width:60px;height:60px}
.brand-txt b{font-family:var(--head);font-weight:700;color:var(--navy-900);font-size:1.08rem;line-height:1.05;display:block;text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}
.brand-txt > span{font-size:.72rem;color:var(--muted);display:block;max-width:240px;line-height:1.3;margin-top:2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:clamp(16px,1.7vw,28px);flex-wrap:nowrap}
.nav a:not(.btn){font-family:var(--head);font-weight:600;font-size:.98rem;color:var(--navy-900);white-space:nowrap;position:relative;padding:4px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--blue-700);border-radius:2px;transition:right .2s ease}
.nav a:not(.btn):hover{color:var(--blue-700);text-decoration:none}
.nav a:not(.btn):hover::after,.nav a:not(.btn).active::after{right:0}
.nav a:not(.btn).active{color:var(--blue-700)}
.nav .btn{margin-left:4px}
.nav-toggle,.nav-check{display:none}

/* Menü-Button (mobil) */
.nav-toggle{align-items:center;gap:9px;background:var(--navy-900);color:#fff;border:0;border-radius:999px;
  padding:9px 16px;cursor:pointer;font-family:var(--head);font-weight:600;font-size:.95rem;margin-left:auto}
.nav-toggle .burger{display:inline-block;width:20px;height:14px;position:relative;flex:0 0 auto}
.nav-toggle .burger span{position:absolute;left:0;height:2.5px;width:100%;background:#fff;border-radius:2px;transition:.25s}
.nav-toggle .burger span:nth-child(1){top:0}
.nav-toggle .burger span:nth-child(2){top:6px}
.nav-toggle .burger span:nth-child(3){top:12px}
.nav-toggle .label-close{display:none}

@media(max-width:1000px){
  .brand-txt > span{display:none}
  .brand img{width:48px;height:48px}
  .brand-txt b{font-size:.86rem;letter-spacing:0}
  .site-header .wrap{gap:10px}
  .nav-toggle{display:inline-flex;padding:8px 13px;font-size:.92rem;gap:7px}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;
    border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:8px 20px 20px;
    transform:translateY(-140%);opacity:0;pointer-events:none;transition:transform .28s ease,opacity .2s ease;
    box-shadow:var(--shadow);max-height:80vh;overflow:auto}
  .nav-check:checked ~ .nav{opacity:1;pointer-events:auto}
  .nav a:not(.btn){padding:14px 2px;width:100%;border-bottom:1px solid var(--border);font-size:1.05rem}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{width:100%;margin:14px 0 0}
  .nav-check:checked ~ .nav{transform:translateY(0)}
  .nav-check:checked ~ .nav-toggle .burger span:nth-child(1){top:6px;transform:rotate(45deg)}
  .nav-check:checked ~ .nav-toggle .burger span:nth-child(2){opacity:0}
  .nav-check:checked ~ .nav-toggle .burger span:nth-child(3){top:6px;transform:rotate(-45deg)}
  .nav-check:checked ~ .nav-toggle .label-open{display:none}
  .nav-check:checked ~ .nav-toggle .label-close{display:inline}
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#0B2A44 0%,#14568A 100%);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;padding-top:46px;padding-bottom:46px}
.hero h1{color:#fff;margin-bottom:.35em}
.hero p{color:#dbe8f2;font-size:1.15rem}
.hero .badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#eef6fc;font-family:var(--head);font-weight:600;font-size:.78rem;padding:.4em .95em;border-radius:999px;margin-bottom:16px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.hero-img img{border-radius:16px;box-shadow:0 24px 55px rgba(0,0,0,.4);width:100%}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:26px;padding-top:30px;padding-bottom:36px}.hero-img{order:-1}}

/* ---------- Page header (inner pages) ---------- */
.pagehead{background:linear-gradient(160deg,#0B2A44,#14568A);color:#fff}
.pagehead .wrap{padding:50px 20px 44px}
.pagehead h1{color:#fff;margin-bottom:.3em}
.pagehead p{color:#dbe8f2;max-width:760px;margin:0}
.breadcrumb{font-size:.82rem;color:#bcd6e8;margin-bottom:14px}
.breadcrumb a{color:#e3eff8}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:24px}
.grid > *{min-width:0}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s,border-color .18s}
.card h3{margin-top:.2rem}
.card.pad-lg{padding:32px}
a.card{color:inherit;text-decoration:none}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--sky-300);text-decoration:none}
a.card:hover .icon-badge{transform:scale(1.06)}
/* einheitliche Kachel-Bilder */
.card-thumb{width:100%;height:190px;object-fit:cover;border-radius:8px;margin-bottom:16px}
.icon-badge{width:52px;height:52px;border-radius:12px;background:var(--sky-100);display:flex;align-items:center;justify-content:center;margin-bottom:16px;flex:0 0 auto;transition:transform .18s}
.icon-badge svg{width:28px;height:28px;stroke:var(--blue-700);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-badge.green{background:#eaf1e3}.icon-badge.green svg{stroke:var(--green-600)}
/* Icons auf dunklem Grund – hoher Kontrast (WCAG AA) */
.icon-badge.on-dark{background:rgba(255,255,255,.16)}
.icon-badge.on-dark svg{stroke:#ffffff}

/* feature media card */
.media{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.media.rev .media-txt{order:2}
.media img{border-radius:var(--radius);box-shadow:var(--shadow)}
@media(max-width:800px){.media{grid-template-columns:1fr;gap:24px}.media.rev .media-txt{order:0}}

/* tags / list */
.tag{display:inline-flex;align-items:center;gap:.4em;background:#eaf1e3;color:var(--green-600);font-family:var(--head);
  font-weight:600;font-size:.78rem;padding:.3em .8em;border-radius:999px}
.check{list-style:none;padding:0;margin:0}
.check li{position:relative;padding:8px 0 8px 32px}
.check li::before{content:"";position:absolute;left:0;top:12px;width:18px;height:18px;border-radius:50%;
  background:var(--green-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l4 4L19 7'/%3E%3C/svg%3E") center/12px no-repeat}

/* ---------- CTA band ---------- */
.cta{background:var(--navy-900);color:#fff;border-radius:18px;padding:44px}
.cta h2{color:#fff}
.cta p{color:#cfe0ee;max-width:640px;margin:0 auto 22px}
.cta,.cta *{text-align:center}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
@media(max-width:600px){.cta{padding:30px 22px}}

/* ---------- Bands ---------- */
.band-blue{background:var(--sky-100)}
.band-navy{background:var(--navy-900);color:#fff}
.band-navy h2,.band-navy h3{color:#fff}
.band-navy p{color:#cfe0ee}
/* dunkle Karten */
.card-dark{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16)}
.card-dark h3{color:#fff}
.card-dark p{color:#d5e4f0}

/* ---------- Partner logos ---------- */
.partners{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.partner-ph{width:150px;height:80px;background:#fff;border:1px dashed var(--border);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.82rem;text-align:center;padding:8px}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.field label{font-family:var(--head);font-weight:600;font-size:.9rem;display:block;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font:inherit;background:#fff;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue-700);outline:none;box-shadow:0 0 0 3px rgba(20,86,138,.15)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted)}
.consent input{width:auto;margin-top:4px;flex:0 0 auto}
.consent span{flex:1}
.note{background:var(--sky-100);border-left:4px solid var(--blue-700);padding:14px 16px;border-radius:8px;font-size:.9rem;color:var(--ink)}
.note.green{background:#eef4e8;border-color:var(--green-600)}
.note.warn{background:#fff6e6;border-color:#c98a12}

/* amount buttons */
.amounts{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 18px}
.amounts label{flex:1;min-width:80px;position:relative}
.amounts input{position:absolute;opacity:0}
.amounts span{display:block;text-align:center;padding:14px;border:2px solid var(--border);border-radius:10px;
  font-family:var(--head);font-weight:600;cursor:pointer;transition:.15s}
.amounts span:hover{border-color:var(--sky-300)}
.amounts input:checked + span{border-color:var(--blue-700);background:var(--sky-100);color:var(--blue-700)}
.amounts input:focus-visible + span{outline:3px solid var(--sky-300);outline-offset:2px}

/* ---------- Prose (legal/satzung) ---------- */
.prose{max-width:820px}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.4rem;color:var(--blue-700)}
.prose p,.prose li{color:var(--ink)}
.prose .para-num{color:var(--muted);font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#c7d7e4;font-size:.92rem;margin-top:20px}
.site-footer .wrap{padding:52px 20px 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.site-footer a{color:#c7d7e4}.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.foot-brand img{width:64px;height:64px;margin-bottom:12px}
.social{display:flex;gap:12px;margin-top:14px}
.social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:background .18s,transform .18s}
.social a:hover{background:var(--blue-500);transform:translateY(-2px)}
.social svg{width:18px;height:18px;fill:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:#a7c0d2}
.trademark{font-size:.8rem;color:#a7c0d2;margin-top:14px;max-width:420px}

/* ---------- Mobil: kompaktere Abstände ---------- */
@media(max-width:640px){
  body{font-size:16px}
  section{padding:42px 0}
  .card{padding:20px}
  .card.pad-lg{padding:22px}
  .wrap{padding:0 16px}
  .pagehead .wrap{padding:36px 16px 32px}
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,a.card:hover{transform:none}
}