/* ==========================================================================
   XR/AI HEALTH SUMMIT BERLIN – Styles
   Farbwelt (unverändert): Navy #24195D · Blau #003D7C · Teal #00BC82 · Violett #702B83
   ========================================================================== */
:root{
  --navy:#24195D; --blue:#003D7C; --teal:#00BC82; --teal2:#55CDA8; --purple:#702B83;
  --teal-ink:#007E5A;               /* dunkleres Teal für kleine Texte (Kontrast) */
  --ink:#24195D; --muted:#655F7C; --line:#E4E1EC; --soft:#F7F8FA; --mint:#F3FAF7; --white:#fff;
  --shadow:0 18px 55px rgba(36,25,93,.10); --shadow-sm:0 8px 26px rgba(36,25,93,.07);
  --radius:22px; --radius-sm:14px; --gutter:clamp(18px,4vw,48px); --max:1200px; --header:72px;
  --font:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif; --display:Manrope,Inter,system-ui,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;line-height:1.5;overflow-x:hidden}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{left:8px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.hidden{display:none!important}

/* ---------- Layout ---------- */
.container{max-width:var(--max);margin:0 auto}
.section{padding:clamp(56px,8vw,104px) var(--gutter)}
.bg-mint{background:var(--mint)}
.section-head{margin-bottom:clamp(26px,4vw,44px)}
.section-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.section-head.split>div{flex:1 1 auto;min-width:0}
.section-head.split>p{flex:0 0 min(440px,40%);color:var(--muted);line-height:1.65}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--teal-ink);text-transform:uppercase;margin-bottom:12px}
h2{font:800 clamp(2rem,4.2vw,3.5rem)/1.05 var(--display);letter-spacing:-.04em;color:var(--navy)}
h2 span{color:var(--teal)}
.sub-h{font:800 22px var(--display);color:var(--navy);margin:clamp(34px,5vw,52px) 0 18px;letter-spacing:-.02em}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;padding:12px 20px;font-weight:800;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;box-shadow:0 10px 25px rgba(0,188,130,.22)}
.btn.primary:hover{filter:brightness(.96);box-shadow:0 14px 30px rgba(0,188,130,.28)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--navy)}
.btn.ghost:hover{border-color:var(--navy)}
.btn.partner{background:linear-gradient(135deg,var(--purple),var(--navy));color:#fff;box-shadow:0 10px 25px rgba(112,43,131,.25)}
.btn.partner:hover{filter:brightness(1.08)}
.btn.partner-outline{background:#fff;border-color:var(--purple);color:var(--purple)}
.btn.partner-outline:hover{background:rgba(112,43,131,.07)}
.btn.large{padding:16px 26px;font-size:15px}
.btn:disabled{opacity:.6;cursor:wait}

/* ---------- Header ---------- */
.topbar{position:sticky;top:0;z-index:50;height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 var(--gutter);background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(36,25,93,.08)}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brandmark{font:800 26px var(--display);color:var(--navy);letter-spacing:-.05em}
.brandmark span{color:var(--teal)}
.brandtext{font-size:10px;line-height:1.25;letter-spacing:.16em;color:var(--muted)}
.brandtext b{color:var(--navy)}
.desktopnav{display:flex;gap:26px;font-size:14px;font-weight:700}
.desktopnav a{padding:6px 0;border-bottom:2px solid transparent}
.desktopnav a:hover{color:var(--teal-ink);border-color:var(--teal)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-btn span{width:18px;height:2px;background:var(--navy);border-radius:2px}
.mobile-menu{display:none;position:fixed;inset:0;z-index:99;background:#fff;padding:90px var(--gutter) 32px;flex-direction:column;gap:6px;overflow:auto}
.mobile-menu.open{display:flex}
.mobile-menu a:not(.btn){font:800 26px var(--display);padding:12px 0;border-bottom:1px solid var(--line);letter-spacing:-.02em}
.mobile-menu .btn{margin-top:20px}
.menu-close{position:absolute;top:14px;right:var(--gutter);width:44px;height:44px;border:0;background:none;font-size:38px;line-height:1;cursor:pointer;color:var(--navy)}

/* ---------- Veranstalter (Header / Hero) ---------- */
.organizer{display:flex;align-items:center;gap:12px;padding:6px 0 6px 18px;margin-right:auto;margin-left:6px;border-left:1px solid var(--line);flex-shrink:0}
.organizer span,.hero-host span{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.organizer img{height:30px;width:auto;max-width:150px;object-fit:contain}
.organizer:hover span,.hero-host:hover span{color:var(--teal-ink)}
.hero-host{display:inline-flex;align-items:center;gap:14px;margin-top:22px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
.hero-host img{height:34px;width:auto;max-width:170px;object-fit:contain}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(28px,4vw,48px) var(--gutter) clamp(32px,4vw,56px);background:linear-gradient(180deg,#fff 0,var(--mint) 100%)}
.hero:before{content:"";position:absolute;right:-8%;top:-4%;width:52vw;height:52vw;border-radius:50%;background:radial-gradient(circle,rgba(0,188,130,.13),transparent 66%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;grid-template-areas:"copy visual" "facts facts";gap:clamp(22px,3vw,36px) clamp(24px,5vw,64px);align-items:center}
.hero-copy{grid-area:copy}
.hero-copy .eyebrow b{color:var(--navy)}
.hero h1{font:800 clamp(2.4rem,5vw,4.2rem)/1.02 var(--display);letter-spacing:-.05em;color:var(--navy)}
.hero h1 span{display:block;color:var(--teal)}
.hero h1 i{font-style:normal;font-size:.5em;letter-spacing:-.02em;color:var(--blue);white-space:nowrap;margin-left:.15em}
.tagline{margin-top:18px;font:800 clamp(1.1rem,2vw,1.5rem) var(--display);letter-spacing:.02em;color:var(--blue)}
.lead{margin-top:14px;font-size:clamp(15px,1.4vw,17px);line-height:1.7;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 16px}
.textlink{font-size:13px;font-weight:800;color:var(--navy);border-bottom:2px solid var(--teal)}
.textlink:hover{color:var(--teal-ink)}

.hero-visual{grid-area:visual;position:relative;display:flex;justify-content:flex-end}
.hero-visual img{width:auto;max-width:100%;max-height:min(500px,56vh);min-height:300px;object-fit:contain;filter:drop-shadow(0 22px 42px rgba(36,25,93,.10));-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 22%);mask-image:linear-gradient(90deg,transparent 0,#000 22%)}
.hero-visual.has-art{align-items:center;justify-content:center}
.hero-art{width:min(520px,100%);aspect-ratio:1/1;max-height:min(520px,58vh)}
.hero-art svg{display:block;width:100%;height:100%;overflow:visible}
.hero-keywords{position:absolute;top:4%;right:0;display:flex;flex-direction:column;align-items:flex-end;gap:2px;text-align:right;pointer-events:none;filter:drop-shadow(0 2px 8px rgba(255,255,255,.95))}
.hero-keywords span{font:800 clamp(1.5rem,2.6vw,2.6rem)/1.02 var(--display);letter-spacing:-.03em;text-transform:uppercase}
.hero-keywords .kw-xr{color:var(--teal);font-size:clamp(2rem,3.6vw,3.6rem)}
.hero-keywords .kw-ai,.hero-keywords .kw-robotik{color:var(--navy)}
.hero-keywords .kw-human{color:var(--blue)}
.hero-keywords .kw-healthcare{color:var(--purple)}
.hero-keywords:after{content:"";width:72px;height:4px;margin-top:10px;border-radius:99px;background:linear-gradient(90deg,var(--teal),var(--purple))}

/* WANN / WO / WAS / FÜR WEN */
.facts{grid-area:facts;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fact{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm)}
.fact:nth-child(2){border-top-color:var(--blue)}
.fact:nth-child(3){border-top-color:var(--purple)}
.fact:nth-child(4){border-top-color:var(--navy)}
.fact-label{font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--teal-ink)}
.fact:nth-child(2) .fact-label{color:var(--blue)}
.fact:nth-child(3) .fact-label{color:var(--purple)}
.fact:nth-child(4) .fact-label{color:var(--navy)}
.fact b{font:800 clamp(16px,1.5vw,19px)/1.25 var(--display);color:var(--navy)}
.fact span:last-child{font-size:13px;color:var(--muted);line-height:1.45}

/* ---------- Karten / Überblick ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;box-shadow:var(--shadow-sm)}
.card .num{font-style:normal;font-weight:800;color:var(--teal-ink);font-size:14px;letter-spacing:.1em}
.card h3{font:800 24px var(--display);color:var(--navy);margin:8px 0 10px;letter-spacing:-.02em}
.card p{color:var(--muted);line-height:1.65}
.audience{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,5vw,64px);margin-top:clamp(36px,5vw,56px);padding:clamp(24px,4vw,40px);border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}
.audience .eyebrow{color:var(--teal2)}
.audience h3{font:800 30px var(--display);letter-spacing:-.03em;margin-bottom:12px}
.audience-intro p:last-child{color:rgba(255,255,255,.82);line-height:1.65}
.mini-title{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--teal2);margin-bottom:10px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tags li{padding:9px 14px;border-radius:99px;font-size:14px;font-weight:700;background:#fff;color:var(--navy)}
.tags-alt li{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}

.ag-cta{display:flex;align-items:center;justify-content:space-between;gap:12px 18px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px dashed rgba(112,43,131,.3)}
.ag-cta span{font-size:13.5px;color:var(--muted);flex:1 1 260px}
.ag-cta .btn{padding:10px 16px;font-size:13px}

/* ---------- Schwerpunktthemen ---------- */
.themes{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.theme{--c:var(--teal-ink);display:flex;flex-direction:column;border-radius:var(--radius-sm);overflow:hidden;background:var(--c);color:#fff;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.theme:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.theme-teal{--c:var(--teal-ink)} .theme-blue{--c:var(--blue)} .theme-navy{--c:var(--navy)} .theme-purple{--c:var(--purple)} .theme-violet{--c:#5A2B86}
.theme-img{position:relative;aspect-ratio:6/5;overflow:hidden}
.theme-img img{width:100%;height:100%;object-fit:cover}
.theme-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,var(--c) 100%)}
.theme-body{display:flex;flex-direction:column;gap:6px;padding:0 18px 22px;margin-top:-4px;flex:1}
.theme-dots{display:flex;gap:5px;margin-bottom:10px}
.theme-dots i{width:5px;height:5px;border-radius:99px;background:rgba(255,255,255,.4)}
.theme-dots i.on{width:26px;background:#fff}
.theme h3{font:800 18px/1.25 var(--display);letter-spacing:-.01em}
.theme p{font-size:14px;line-height:1.5;color:rgba(255,255,255,.88)}

/* ---------- Live / Countdown ---------- */
.live{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 26px;margin-bottom:22px;border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}
.live small{display:block;font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--teal2);margin-bottom:4px}
.live strong{font:800 clamp(20px,2.6vw,28px)/1.2 var(--display);letter-spacing:-.02em}
.live p{max-width:420px;color:rgba(255,255,255,.82);line-height:1.55;font-size:14px}
.live-now{border:2px solid var(--teal)}

/* ---------- Experience-Space-Leiste ---------- */
.expo-bar{position:sticky;top:calc(var(--header) + 10px);z-index:20;display:flex;align-items:center;gap:18px;margin-bottom:20px;padding:14px 20px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--teal-ink),var(--blue));color:#fff;box-shadow:0 12px 30px rgba(0,61,124,.25)}
.expo-bar-dot{flex:0 0 12px;height:12px;border-radius:50%;background:#7CFFD0;box-shadow:0 0 0 0 rgba(124,255,208,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(124,255,208,0)}100%{box-shadow:0 0 0 0 rgba(124,255,208,0)}}
.expo-bar-text{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.expo-bar-text b{font:800 17px/1.25 var(--display)}
.expo-bar-text span{font-size:13.5px;color:rgba(255,255,255,.88);line-height:1.45}
.expo-bar-meta{display:flex;flex-direction:column;text-align:right;font-size:12.5px;color:rgba(255,255,255,.85)}
.expo-bar-meta b{font:800 15px var(--display);color:#fff}
.expo-bar .btn{flex:0 0 auto;padding:10px 16px;font-size:13px}

/* ---------- Agenda ---------- */
.filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filter button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:10px 16px;font-weight:800;font-size:14px;color:var(--navy);cursor:pointer}
.filter button:hover{border-color:var(--navy)}
.filter button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.agenda{display:grid;gap:12px}
.ag-row{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:start}
.ag-time{padding-top:18px;text-align:right}
.ag-time b{display:block;font:800 22px var(--display);color:var(--navy);letter-spacing:-.02em}
.ag-time span{font-size:12px;color:var(--muted)}
.ag-card{position:relative;background:#fff;border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:var(--radius-sm);padding:18px 22px;box-shadow:var(--shadow-sm)}
.ag-barcamp .ag-card{border-left-color:var(--purple)}
.ag-network .ag-card{border-left-color:var(--blue);background:var(--soft);box-shadow:none}
.ag-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.ag-card h3{font:800 18px/1.3 var(--display);letter-spacing:-.01em;color:var(--navy)}
.ag-foot{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:8px}
.ag-meta{font-size:13px;color:var(--muted)}
.pill{display:inline-block;padding:5px 10px;border-radius:99px;font-size:10.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;background:rgba(0,188,130,.12);color:var(--teal-ink)}
.pill-barcamp{background:rgba(112,43,131,.10);color:var(--purple)}
.pill-network{background:rgba(0,61,124,.10);color:var(--blue)}
.now-badge{display:none;font-size:10.5px;font-weight:800;letter-spacing:.1em;background:var(--teal);color:#fff;padding:5px 10px;border-radius:99px}
.ag-row.now .now-badge{display:inline-block}
.ag-row.now .ag-card{box-shadow:0 0 0 3px rgba(0,188,130,.35),var(--shadow-sm)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{background:#EAF8F3;color:var(--teal-ink);border-radius:99px;padding:5px 11px;font-size:12px;font-weight:700}
.chip:hover{background:var(--teal);color:#fff}

/* Barcamp-Räume (Agenda + Barcamp-Bereich) */
.rooms{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.room{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.room small{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--purple);text-transform:uppercase}
.room b{font:800 16px/1.3 var(--display);color:var(--navy)}
.room span{font-size:13px;color:var(--muted)}
.room.is-open{background:repeating-linear-gradient(135deg,#fff,#fff 10px,rgba(112,43,131,.04) 10px,rgba(112,43,131,.04) 20px);border-style:dashed;border-color:rgba(112,43,131,.35)}
.room.is-open b{color:var(--muted);font-weight:700}
.ag-barcamp .rooms .room{background:#fff}

/* ---------- Speaker ---------- */
.speaker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.speaker{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.speaker:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.speaker:target{outline:3px solid var(--teal);outline-offset:3px}
.sp-photo{position:relative;aspect-ratio:1/1;background:linear-gradient(145deg,var(--teal),var(--blue));overflow:hidden}
.sp-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.sp-initials{width:100%;height:100%;display:grid;place-items:center;font:800 clamp(44px,6vw,72px) var(--display);color:rgba(255,255,255,.92);letter-spacing:-.04em}
.sp-tag{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);color:var(--navy);font-size:10px;font-weight:800;letter-spacing:.1em;padding:6px 10px;border-radius:99px}
.sp-body{display:flex;flex-direction:column;gap:2px;padding:18px 20px 22px;flex:1}
.sp-body h3{font:800 20px/1.2 var(--display);color:var(--navy);letter-spacing:-.02em}
.sp-role{font-weight:700;font-size:14px;color:var(--teal-ink);margin-top:2px}
.sp-org{font-size:14px;font-weight:600;color:var(--muted)}
.sp-bio{margin-top:10px;font-size:14px;line-height:1.6;color:var(--muted)}
.sp-sessions{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:grid;gap:6px;font-size:12.5px}
.sp-sessions a{color:var(--navy)}
.sp-sessions a:hover{color:var(--teal-ink)}
.sp-sessions b{color:var(--teal-ink);margin-right:4px}
.sp-link{margin-top:12px;font-size:13px;font-weight:800;color:var(--navy);border-bottom:2px solid var(--teal);align-self:flex-start}
.speaker-more .sp-body{justify-content:center;align-items:center}
.speaker-more{justify-content:center;align-items:center;text-align:center;border:2px dashed var(--line);background:var(--soft);box-shadow:none;min-height:240px}
.speaker-more:hover{transform:none;box-shadow:none}
.speaker-more b{font:800 18px var(--display);color:var(--navy)}
.speaker-more p{color:var(--muted);font-size:14px;margin-top:6px}

/* ---------- Barcamp ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.steps li{display:flex;gap:14px;align-items:flex-start;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
.steps span{flex:0 0 36px;height:36px;display:grid;place-items:center;border-radius:50%;background:rgba(112,43,131,.1);color:var(--purple);font-weight:800}
.steps b{display:block;font:800 17px var(--display);color:var(--navy);margin-bottom:4px}
.steps p{font-size:14px;color:var(--muted);line-height:1.55}
.round{margin-bottom:16px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.round-head{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px}
.round-head span{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--purple)}
.round-head b{font:800 20px var(--display);color:var(--navy)}
.round-head em{margin-left:auto;font-style:normal;font-size:13px;color:var(--muted)}
.barcamp-submit{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,4vw,48px);align-items:start;margin-top:clamp(20px,3vw,32px)}
.barcamp-submit .sub-h{margin-top:clamp(20px,3vw,32px)}
.proposal-list{display:grid;gap:10px}
.proposal-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--purple);border-radius:var(--radius-sm);padding:14px 18px;display:flex;flex-direction:column;gap:3px}
.proposal-list b{font:800 15px/1.35 var(--display);color:var(--navy)}
.proposal-list span{font-size:13px;color:var(--muted)}
.proposal-list i{font-style:normal;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--purple);background:rgba(112,43,131,.08);padding:2px 8px;border-radius:99px;margin-left:6px}
.proposal-list .empty{border-left-color:var(--line);color:var(--muted);font-size:14px}

/* ---------- Aussteller & Sponsoren ---------- */
.expo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.expo-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.expo-top{min-height:130px;padding:18px 20px;display:flex;flex-direction:column;justify-content:space-between;gap:12px;background:linear-gradient(135deg,#EAF8F3,#EEF3F8)}
.expo-top span{font-size:10.5px;font-weight:800;letter-spacing:.12em;color:var(--teal-ink)}
.expo-top strong{font:800 22px var(--display);color:var(--navy)}
.expo-top img{max-height:48px;width:auto;object-fit:contain}
.expo-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.expo-body small{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--teal-ink)}
.expo-body h3{font:800 19px var(--display);color:var(--navy)}
.expo-body p{font-size:14px;color:var(--muted);line-height:1.6}
.expo-foot{display:flex;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;font-size:12px;color:var(--muted)}
.expo-foot a{font-weight:800;color:var(--navy)}
.sponsor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sponsor{display:grid;place-items:center;min-height:96px;padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.sponsor b{font:800 17px var(--display);color:var(--muted)}
.sponsor img{max-height:52px;width:auto;object-fit:contain}
.sponsor-main{grid-column:span 2;display:flex;flex-direction:column;gap:8px;border-color:var(--teal);border-width:2px;box-shadow:var(--shadow-sm)}
.sponsor-main small{font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink)}
.sponsor-main img{max-height:60px}
.sponsor-main b{font:800 14px var(--display);color:var(--navy)}
.sponsor-main img[hidden]+b{font-size:20px}
a.sponsor:hover{border-color:var(--teal);box-shadow:var(--shadow-sm)}

.expo-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px;padding:22px 26px;border-radius:var(--radius);background:var(--mint);border:1px solid var(--line)}
.expo-cta p{color:var(--muted);max-width:520px;line-height:1.6}
.expo-cta p b{color:var(--navy)}
.expo-cta div{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Tickets & Preise ---------- */
.group-title{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin:clamp(26px,4vw,40px) 0 16px}
.group-title:first-of-type{margin-top:0}
.group-title span{font:800 26px var(--display);color:var(--navy);letter-spacing:-.03em}
.group-title small{font-size:14px;color:var(--muted)}
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.price-card{position:relative;display:flex;flex-direction:column;padding:30px;background:#fff;border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.price-provider{border-top-color:var(--blue)}
.price-partner{border-top-color:var(--purple)}
.price-partner.is-highlight{border-top-color:var(--purple);box-shadow:var(--shadow)}
.price-card h4{font:800 20px var(--display);color:var(--navy);letter-spacing:-.02em}
.price-aud{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.5;min-height:42px}
.price{display:flex;flex-direction:column;margin:18px 0 6px}
.price b{font:800 clamp(2.4rem,4vw,3.2rem)/1 var(--display);color:var(--navy);letter-spacing:-.05em}
.price span{margin-top:6px;font-size:13px;color:var(--muted)}
.price-card ul{margin:16px 0 26px;display:grid;gap:9px;font-size:14.5px;color:var(--ink)}
.price-card li{position:relative;padding-left:26px;line-height:1.45}
.price-card li:before{content:"";position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%;background:rgba(0,188,130,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.3 2.3 4.7-4.9' fill='none' stroke='%23007E5A' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.price-card .btn{margin-top:auto}

/* ---------- Formulare ---------- */
.form-card{display:grid;gap:14px;padding:clamp(22px,3vw,34px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.form-card h3{font:800 22px var(--display);color:var(--navy);letter-spacing:-.02em}
.form-hint{font-size:14px;color:var(--muted);margin-top:-6px}
.partner-form-head .form-hint{margin-top:6px}
.form-card label{display:grid;gap:6px;font-size:13px;font-weight:700;color:var(--navy)}
.form-card input,.form-card textarea,.form-card select{width:100%;padding:13px 14px;border:1px solid #D9D6E4;border-radius:10px;background:#FCFCFD;font-size:15px;font-weight:400}
.form-card input:focus,.form-card textarea:focus,.form-card select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,188,130,.18)}
.form-card textarea{resize:vertical;min-height:90px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-card .check{grid-template-columns:auto 1fr;align-items:start;gap:10px;font-weight:400;color:var(--muted);line-height:1.5}
.form-card .check input{width:18px;height:18px;margin-top:2px;accent-color:var(--teal)}
.check a{text-decoration:underline;color:var(--navy)}
.form-status{min-height:1.2em;font-size:14px;font-weight:700}
.form-status.ok{color:var(--teal-ink)}
.form-status.warn{color:var(--blue)}
.form-status.err{color:#B3261E}
.partner-form{margin-top:clamp(28px,4vw,44px);scroll-margin-top:calc(var(--header) + 16px)}
.partner-form .btn{justify-self:start}
.note{margin-top:20px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--muted);font-size:14px;line-height:1.6}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-list{display:grid;gap:10px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 20px}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font:800 17px/1.35 var(--display);color:var(--navy);position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px;color:var(--teal-ink)}
.faq-list details[open] summary:after{content:"–"}
.faq-list details p{padding:0 0 20px;color:var(--muted);line-height:1.7}

/* ---------- Anfahrt ---------- */
.venue-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.venue-lead{margin:16px 0;color:var(--muted);line-height:1.7}
.address{display:flex;flex-direction:column;gap:3px;margin:22px 0}
.address small{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--teal-ink)}
.address b{font:800 22px var(--display);color:var(--navy)}
.address span{color:var(--muted)}
.map-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.map-card iframe{display:block;width:100%;height:380px;border:0}

/* ---------- Footer ---------- */
footer{display:grid;grid-template-columns:auto 1fr auto;gap:24px 40px;align-items:center;padding:36px var(--gutter);background:var(--navy);color:#fff}
footer .brandmark,footer .brandtext b{color:#fff}
footer .brandmark span{color:var(--teal2)}
footer .brandtext{color:#BBB6CB}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;font-weight:600;justify-content:center}
.footer-links a{color:#E4E1EF}
.footer-links a:hover{color:var(--teal2)}
footer p{font-size:12px;color:#BBB6CB}

/* ---------- Rechtstexte (Impressum / Datenschutz) ---------- */
.legal{max-width:760px;margin:0 auto;padding:clamp(40px,6vw,80px) var(--gutter)}
.legal h1{font:800 clamp(2rem,4vw,3rem)/1.1 var(--display);letter-spacing:-.04em;margin-bottom:24px}
.legal h2{font:800 20px var(--display);letter-spacing:-.02em;margin:32px 0 8px}
.legal p,.legal li{color:var(--muted);line-height:1.7}
.legal .todo{background:#FFF8E1;border:1px solid #F2D675;color:#6B5200;padding:12px 16px;border-radius:10px;margin-bottom:24px;font-size:14px}
.legal a{text-decoration:underline}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(max-width:1100px){
  .organizer{margin-right:0;margin-left:auto}
  .themes{grid-template-columns:repeat(3,1fr)}
  .desktopnav{display:none}
  .menu-btn{display:flex}
  .speaker-grid{grid-template-columns:repeat(3,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .sponsor-grid{grid-template-columns:repeat(2,1fr)}
  .expo-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .themes{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:var(--gutter);gap:12px;margin:0 calc(var(--gutter) * -1);padding:4px var(--gutter) 14px;-webkit-overflow-scrolling:touch}
  .theme{flex:0 0 min(270px,78%);scroll-snap-align:start}
  .hero-grid{grid-template-columns:1fr;grid-template-areas:"copy" "facts" "visual"}
  .hero-visual{justify-content:center;min-height:0}
  .hero-visual img{max-height:none;min-height:0;width:min(420px,92%);-webkit-mask-image:none;mask-image:none}
  .hero-art{width:min(420px,100%);max-height:none}
  .section-head.split{display:block}
  .section-head.split>p{margin-top:14px}
  .cards3,.steps,.audience,.barcamp-submit,.venue-grid,.price-grid{grid-template-columns:1fr}
  .speaker-grid{grid-template-columns:repeat(2,1fr)}
  .rooms{grid-template-columns:1fr}
  .live{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head.split>p{flex:none}
  footer{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
  .price-aud{min-height:0}
}
@media(max-width:600px){
  :root{--header:64px}
  .organizer{padding-left:12px;gap:8px;margin-left:auto}
  .organizer span{display:none}
  .organizer img{height:24px;max-width:100px}
  .header-actions .btn{padding:9px 12px}
  .hero-host{width:100%;justify-content:space-between}
  .sponsor-main{grid-column:span 2}
  .expo-bar{flex-wrap:wrap;gap:8px 12px;padding:12px 14px;position:static}
  .expo-bar-text{flex-basis:calc(100% - 30px)}
  .expo-bar-meta{text-align:left;flex:1}
  .hero h1 i{display:block;margin:6px 0 0;font-size:.55em}
  .brandtext{display:none}
  .header-actions .btn{padding:10px 14px;font-size:13px}
  .hero-actions .btn{flex:1 1 100%}
  .facts{grid-template-columns:1fr 1fr;gap:10px}
  .fact{padding:14px 16px}
  .fact:nth-child(n+3){grid-column:span 2}
  .ag-row{grid-template-columns:1fr;gap:6px}
  .ag-time{display:flex;align-items:baseline;gap:8px;text-align:left;padding:8px 0 0}
  .ag-time b{font-size:19px}
  .ag-card{padding:16px 16px}
  .form-row{grid-template-columns:1fr}
  .partner-form .btn,.form-card .btn{justify-self:stretch}
  .expo-grid,.sponsor-grid{grid-template-columns:1fr}
  .sponsor-grid{grid-template-columns:repeat(2,1fr)}
  .round{padding:16px}
  .round-head em{margin-left:0;flex-basis:100%}
  /* Speaker: kompakte horizontale Karten */
  .speaker-grid{grid-template-columns:1fr;gap:14px}
  .speaker{flex-direction:row}
  .sp-photo{flex:0 0 112px;aspect-ratio:auto;min-height:100%}
  .sp-initials{font-size:36px}
  .sp-tag{display:none}
  .sp-body{padding:14px 16px}
  .sp-body h3{font-size:18px}
  .speaker-more{min-height:120px;flex-direction:column}
  .price-card{padding:24px}
}
@media(prefers-reduced-motion:reduce){
  .expo-bar-dot{animation:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}