/* =========================
   Sponsoring Anfrage – UI
   ========================= */

:root{
  --bg: #0d1016;
  --bg2: #090c12;
  --surface: rgba(19,24,34,.72);
  --surface-strong: rgba(22,28,40,.86);
  --text: #e8edf6;
  --muted: #a6afbf;
  --line: rgba(255,255,255,.12);
  --accent: #ff6a00;
  --accent2: #ffa14f;
  --ok: #4be3a6;
  --radius: 18px;
  --radius2: 26px;
  --shadow: 0 24px 65px rgba(0,0,0,.45);
  --max: 1120px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(960px 420px at 16% -8%, rgba(255,106,0,.24), transparent 62%),
    radial-gradient(760px 420px at 90% 20%, rgba(255,161,79,.12), transparent 64%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
button, input, select, textarea{ font: inherit; }

.container{
  width:min(var(--max), calc(100% - 48px));
  margin-inline:auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:30;
  background: rgba(8,11,16,.58);
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.back-link{
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}
.back-link:hover{
  color: var(--text);
  border-color: rgba(255,106,0,.35);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:14px;
  padding:12px 16px;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:#0a0d12;
  font-weight:800;
  cursor:pointer;
  transition: transform .15s var(--ease), filter .15s var(--ease);
}
.btn:hover{
  transform: translateY(-1px);
  filter:brightness(1.04);
}
.btn-small{
  padding:10px 12px;
  border-radius:12px;
}
.btn-ghost{
  background: rgba(255,255,255,.04);
  color: var(--text);
}

.sponsor-main{
  padding: 28px 0 64px;
  display:grid;
  gap:18px;
}
.scroll-section{
  opacity:0;
  transform: translateY(18px);
  transition: opacity .72s var(--ease), transform .72s var(--ease);
}
.scroll-section.is-built{
  opacity:1;
  transform: translateY(0);
}
.reveal{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible{
  opacity:1;
  transform: translateY(0);
}

section article.article-fx{
  transform-origin: 50% 100%;
  transition:
    opacity .55s var(--ease),
    transform .24s var(--ease),
    border-color .24s var(--ease),
    box-shadow .24s var(--ease);
}
section article.article-fx:hover{
  transform: translateY(-4px);
  border-color: rgba(255,161,79,.46);
  box-shadow: 0 14px 30px rgba(0,0,0,.22);
}
section article.article-fx.is-visible{
  animation: sponsorArticlePop .55s var(--ease) both;
  animation-delay: calc(var(--reveal-delay, 0ms) + 20ms);
}
@keyframes sponsorArticlePop{
  0%{ transform: translateY(12px) scale(.985); }
  60%{ transform: translateY(-2px) scale(1.01); }
  100%{ transform: translateY(0) scale(1); }
}

.hero-panel{
  border:1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255,106,0,.12), transparent 46%),
    var(--surface-strong);
  border-radius: var(--radius2);
  padding: clamp(18px, 2.6vw, 28px);
  box-shadow: var(--shadow);
}
.kicker{
  margin:0 0 8px;
  color: var(--accent2);
  font-weight:700;
  text-transform: uppercase;
  letter-spacing:.08em;
  font-size: 12px;
}
.hero-panel h1{
  margin:0;
  font-size: clamp(28px, 3.8vw, 46px);
  line-height:1.08;
  letter-spacing:-0.02em;
  max-width: 21ch;
}
.intro{
  margin: 12px 0 0;
  color: rgba(232,237,246,.88);
  max-width: 70ch;
}

.hero-metrics{
  margin-top: 16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
}
.metric-card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 12px;
}
.metric-value{
  font-size: 22px;
  font-weight:800;
  display:block;
}
.metric-label{
  color: var(--muted);
  font-size: 12px;
}

.funding-block{
  margin-top: 14px;
  border:1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  padding: 12px;
}
.funding-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size: 13px;
}
.funding-head strong{
  color: var(--ok);
}
.funding-bar{
  margin-top: 8px;
  height: 12px;
  border-radius: 999px;
  overflow:hidden;
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
}
.funding-bar span{
  display:block;
  height:100%;
  width:0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .8s var(--ease);
}

.workspace{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
}
.stack{
  display:grid;
  gap:14px;
}
.panel{
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 16px;
}
.panel h2{
  margin:0;
  font-size: 22px;
}
.muted{
  color: var(--muted);
}
.small{
  font-size: 13px;
}

.plan-grid{
  margin-top: 12px;
  display:grid;
  gap:10px;
}
.plan-card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 12px;
  text-align:left;
  color: var(--text);
  cursor:pointer;
  display:grid;
  gap:4px;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}
.plan-card:hover{
  transform: translateY(-1px);
  border-color: rgba(255,106,0,.35);
}
.plan-card.is-selected{
  border-color: rgba(255,106,0,.62);
  background: linear-gradient(135deg, rgba(255,106,0,.18), rgba(255,255,255,.03));
}
.plan-name{
  font-weight:800;
}
.plan-range{
  color: var(--muted);
  font-size: 13px;
}

.amount-row{
  margin-top: 12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}
.amount-value{
  font-size: clamp(24px, 4vw, 34px);
  font-weight:800;
  line-height:1;
}
.impact-tag{
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 12px;
  color: rgba(232,237,246,.92);
}
.amount-range{
  margin-top: 12px;
  width:100%;
  accent-color: var(--accent);
}

.chip-row{
  margin-top: 12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chip{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  cursor:pointer;
}
.chip.is-active{
  border-color: rgba(255,106,0,.5);
  background: rgba(255,106,0,.18);
}

.summary-panel{
  align-self:start;
  position:sticky;
  top: 84px;
}
.summary-list{
  margin: 12px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:9px;
}
.summary-list li{
  border-bottom:1px dashed rgba(255,255,255,.12);
  padding-bottom: 8px;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:10px;
}
.summary-list li span{
  color: var(--muted);
  font-size: 13px;
}
.summary-note{
  margin: 12px 0 0;
  border:1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  padding: 10px;
}

.request-panel{
  margin-top: 2px;
}

.request-form{
  margin-top: 12px;
  display:grid;
  gap:12px;
}
.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.field{
  display:grid;
  gap:6px;
}
label, legend{
  font-weight:700;
  font-size: 13px;
  color: rgba(232,237,246,.94);
}
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea{
  width:100%;
  background: rgba(9,12,17,.5);
  color: var(--text);
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  outline:none;
}
textarea{
  resize: vertical;
  min-height: 120px;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus{
  border-color: rgba(255,106,0,.5);
  box-shadow: 0 0 0 4px rgba(255,106,0,.12);
}
.fieldset{
  border:1px solid var(--line);
  border-radius: 16px;
  padding: 10px 12px;
}
.check{
  display:flex;
  align-items:center;
  gap:8px;
  color: rgba(232,237,246,.88);
  font-weight:500;
}
.check + .check{
  margin-top: 8px;
}
.check input{
  width:16px;
  height:16px;
}

.form-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}

@media (max-width: 980px){
  .workspace{ grid-template-columns: 1fr; }
  .summary-panel{
    position:static;
    top:auto;
  }
}

@media (max-width: 760px){
  .container{ width:min(var(--max), calc(100% - 28px)); }
  .hero-metrics{ grid-template-columns: 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  .topbar-inner{ min-height:62px; }
}

@media (prefers-reduced-motion: reduce){
  .scroll-section,
  .reveal{
    opacity:1;
    transform:none;
    transition:none;
  }
  section article.article-fx.is-visible{
    animation:none;
  }
  section article.article-fx:hover{
    transform:none;
  }
}