/* ============================================================
   RSK VR-Competition · marktmeile.rsk-app.ch
   Mobile-First, klassisch ohne Build-Step.
   ============================================================ */

:root {
  --rsk-red:       #E30613;
  --rsk-red-dark:  #B40510;
  --rsk-red-soft:  #FCE3E5;
  --rsk-black:     #1A1A1A;
  --rsk-grey-900:  #2A2A2A;
  --rsk-grey-700:  #4D4D4D;
  --rsk-grey-500:  #8A8A8A;
  --rsk-grey-300:  #D8D8D8;
  --rsk-grey-100:  #F3F3F3;
  --rsk-white:     #FFFFFF;
  --rsk-ok:        #138A36;
  --rsk-warn:      #D97706;

  --radius:        12px;
  --radius-lg:     20px;
  --shadow-sm:     0 1px 2px rgba(0,0,0,.06);
  --shadow:        0 6px 18px rgba(0,0,0,.08);
  --container:     720px;

  --font-sans:     -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display:  var(--font-sans);

  --touch:         48px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;              /* ≥16 verhindert iOS-Zoom */
  line-height: 1.55;
  color: var(--rsk-black);
  background: var(--rsk-grey-100);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: var(--rsk-red); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 .5em; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 5vw + 1rem, 2.6rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.3rem, 2vw + .8rem, 1.7rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; }
p  { margin: 0 0 1em; }

/* Layout */
main { display: block; min-height: 60vh; }
.container { max-width: var(--container); margin: 0 auto; padding: 1.25rem 1rem; }

/* Header */
.site-header {
  background: var(--rsk-white);
  border-bottom: 3px solid var(--rsk-red);
  position: sticky; top: 0; z-index: 30;
  padding: .75rem 1rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--rsk-black); }
.brand:hover { text-decoration: none; }
.brand-logo { height: 36px; width: auto; max-width: 180px; }
.brand-event { font-weight: 700; font-size: .9rem; color: var(--rsk-grey-700); }
.site-nav a { font-weight: 600; color: var(--rsk-grey-900); padding: .6rem .8rem; border-radius: var(--radius); }
.site-nav a:hover { background: var(--rsk-red-soft); color: var(--rsk-red); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--rsk-red) 0%, var(--rsk-red-dark) 100%);
  color: var(--rsk-white);
  padding: 2.5rem 1rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: auto -20% -60% auto;
  width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%);
  pointer-events: none;
}
.hero h1 { color: var(--rsk-white); }
.hero p.lead { font-size: 1.15rem; margin: 0 auto 1.5rem; max-width: 32rem; opacity: .95; }
.hero .countdown { font-weight: 700; opacity: .9; letter-spacing: .04em; text-transform: uppercase; font-size: .85rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: var(--touch);
  padding: .85rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--rsk-red); color: var(--rsk-white); border-color: var(--rsk-red);
  box-shadow: 0 4px 14px rgba(227,6,19,.35);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--rsk-red-dark); border-color: var(--rsk-red-dark); color: var(--rsk-white);
  text-decoration: none;
}
.btn-primary-on-red {
  background: var(--rsk-white); color: var(--rsk-red); border-color: var(--rsk-white);
}
.btn-primary-on-red:hover { background: var(--rsk-grey-100); color: var(--rsk-red); text-decoration: none; }
.btn-secondary {
  background: var(--rsk-white); color: var(--rsk-grey-900); border-color: var(--rsk-grey-300);
}
.btn-secondary:hover { border-color: var(--rsk-grey-500); text-decoration: none; }
.btn-block { width: 100%; }

/* Cards / Section blocks */
.section { padding: 2rem 1rem; }
.section h2 { text-align: center; margin-bottom: 1.5rem; }
.card {
  background: var(--rsk-white);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin: 0 auto 1rem;
  max-width: var(--container);
}

/* Safety Tile */
.safety-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: .75rem;
}
.safety-list li {
  display: grid; grid-template-columns: 44px 1fr; gap: .9rem; align-items: start;
  padding: .9rem; background: var(--rsk-grey-100); border-radius: var(--radius);
}
.safety-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--rsk-red-soft); color: var(--rsk-red);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800;
  flex: none;
}

/* Video */
.video-wrap {
  position: relative; aspect-ratio: 16/9;
  border-radius: var(--radius-lg); overflow: hidden; background: var(--rsk-black);
  box-shadow: var(--shadow);
}
.video-wrap video, .video-wrap iframe { width: 100%; height: 100%; display: block; }
.video-placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: var(--rsk-grey-300); padding: 2rem; text-align: center; font-size: .95rem;
}

/* Form */
.form { display: grid; gap: 1rem; max-width: var(--container); margin: 0 auto; }
.form-row { display: grid; gap: 1rem; }
.form-row.cols-2 { grid-template-columns: 1fr; }
@media (min-width: 540px) { .form-row.cols-2 { grid-template-columns: 1fr 1fr; } }

.field { display: grid; gap: .4rem; }
.field label {
  font-weight: 600; font-size: .95rem; color: var(--rsk-grey-900);
}
.field .hint { color: var(--rsk-grey-500); font-size: .85rem; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="password"] {
  width: 100%;
  min-height: var(--touch);
  padding: .8rem 1rem;
  font-size: 17px;
  font-family: inherit;
  border: 2px solid var(--rsk-grey-300);
  border-radius: var(--radius);
  background: var(--rsk-white);
  color: var(--rsk-black);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus {
  outline: none; border-color: var(--rsk-red);
  box-shadow: 0 0 0 4px rgba(227,6,19,.15);
}
.field.has-error input { border-color: var(--rsk-red); background: #FFF7F8; }
.field .error-msg { color: var(--rsk-red); font-size: .85rem; font-weight: 600; }

.field-check {
  display: grid; grid-template-columns: 24px 1fr; gap: .75rem; align-items: start;
  background: var(--rsk-grey-100); padding: .9rem; border-radius: var(--radius);
  cursor: pointer;
}
.field-check input[type="checkbox"] {
  width: 24px; height: 24px; accent-color: var(--rsk-red); margin-top: 2px;
}
.field-check.has-error { background: #FFF0F2; outline: 2px solid var(--rsk-red); }

/* Honeypot (visually + a11y hidden) */
.honeypot { position: absolute; left: -10000px; top: -10000px; height: 1px; width: 1px; overflow: hidden; }

/* Form summary error box */
.alert {
  padding: 1rem 1.1rem; border-radius: var(--radius);
  font-weight: 600;
}
.alert-error { background: #FFF0F2; color: var(--rsk-red); border: 1px solid #F8C8CE; }
.alert-success { background: #E8F6EE; color: var(--rsk-ok); border: 1px solid #BCE5CB; }

/* Danke / Big number */
.danke {
  padding: 3rem 1rem;
  text-align: center;
}
.danke-card {
  background: var(--rsk-white);
  max-width: 28rem; margin: 0 auto;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.startnummer {
  font-size: clamp(5rem, 30vw, 9rem);
  line-height: 1;
  font-weight: 900;
  color: var(--rsk-red);
  letter-spacing: -0.04em;
  margin: 1rem 0 .25rem;
  font-variant-numeric: tabular-nums;
}
.nickname-display {
  font-size: 1.5rem; font-weight: 700; color: var(--rsk-black);
  word-break: break-word;
}

/* Rangliste public (Top 3) */
.podium {
  display: grid; gap: 1rem; max-width: 540px; margin: 0 auto;
}
.podium-item {
  background: var(--rsk-white); border-radius: var(--radius-lg);
  padding: 1.25rem 1rem; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 60px 1fr auto; align-items: center; gap: 1rem;
}
.podium-rank {
  font-size: 2rem; font-weight: 900; color: var(--rsk-red);
  text-align: center; line-height: 1;
}
.podium-item.rank-1 { border-top: 4px solid #FFD700; }
.podium-item.rank-2 { border-top: 4px solid #C0C0C0; }
.podium-item.rank-3 { border-top: 4px solid #CD7F32; }
.podium-name { font-weight: 700; word-break: break-word; }
.podium-time {
  font-variant-numeric: tabular-nums;
  font-weight: 800; font-size: 1.3rem; color: var(--rsk-black);
}

/* Footer */
.site-footer { background: var(--rsk-black); color: var(--rsk-grey-300); padding: 2rem 1rem; margin-top: 3rem; }
.site-footer a { color: var(--rsk-white); }
.footer-inner {
  max-width: var(--container); margin: 0 auto;
  display: grid; gap: 1.25rem; align-items: start;
}
@media (min-width: 600px) { .footer-inner { grid-template-columns: 1fr auto; } }
.footer-nav { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--rsk-grey-500); }
.hidden { display: none !important; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}