:root {
  --sii-blue: #0059a3;
  --sii-blue-dark: #00386a;
  --sii-ink: #0a2540;
  --text: #1f2a37;
  --muted: #5b6b7d;
  --line: #e3e8ef;
  --bg: #f4f7fb;
  --card: #ffffff;
  --accent-soft: #eaf2fb;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(10, 37, 64, .04), 0 8px 24px rgba(10, 37, 64, .06);
  --maxw: 64rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--sii-blue); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand img { height: 40px; width: auto; display: block; }
.brand span {
  font-weight: 600;
  color: var(--sii-ink);
  font-size: .95rem;
  letter-spacing: .01em;
}
.nav-back {
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.nav-back:hover { color: var(--sii-blue); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--sii-blue) 0%, var(--sii-blue-dark) 60%, var(--sii-ink) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
}
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: #bcd4f0;
  margin: 0 0 .9rem;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 700;
}
.hero p {
  margin: 0;
  max-width: 42rem;
  font-size: 1.1rem;
  color: #dbe7f5;
}

/* ---------- Sections ---------- */
.section { padding: 3rem 0; }
.section h2 {
  font-size: 1.5rem;
  letter-spacing: -.01em;
  margin: 0 0 1.5rem;
  color: var(--sii-ink);
}

/* ---------- Event cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.event-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.event-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(10,37,64,.06), 0 14px 34px rgba(10,37,64,.12);
  border-color: #cfe0f2;
}
.event-card .card-banner {
  background: linear-gradient(135deg, var(--sii-blue) 0%, var(--sii-ink) 100%);
  color: #fff;
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .72rem;
}
.event-card .card-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.event-card h3 { margin: 0; font-size: 1.2rem; color: var(--sii-ink); letter-spacing: -.01em; }
.event-card .meta { color: var(--muted); font-size: .92rem; margin: 0; }
.event-card .card-cta {
  margin-top: auto;
  padding-top: .75rem;
  font-weight: 600;
  color: var(--sii-blue);
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

/* ---------- Status pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 999px;
  width: fit-content;
}
.pill::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: currentColor; }
.pill-upcoming { background: var(--accent-soft); color: var(--sii-blue); }
.pill-live { background: #e6f6ec; color: #1a7f43; }
.pill-ended { background: #f1f1f4; color: #6b7280; }

.empty-state {
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  color: var(--muted);
}

/* ---------- Event detail ---------- */
.event-head { padding: 2.5rem 0 0; }
.event-head h1 {
  margin: .75rem 0 .5rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -.02em;
  color: var(--sii-ink);
  line-height: 1.12;
}
.event-head .lead { color: var(--muted); margin: 0; font-size: 1.08rem; max-width: 44rem; }

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
}
.fact .label { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; margin: 0 0 .35rem; }
.fact .value { font-size: 1.05rem; font-weight: 600; color: var(--sii-ink); margin: 0; }

.download-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  background: var(--accent-soft);
  border: 1px solid #cfe0f2;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
}
.download-bar p { margin: 0; flex: 1; min-width: 220px; color: var(--sii-ink); font-weight: 500; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--sii-blue);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: .7rem 1.25rem;
  border-radius: 10px;
  transition: background .15s ease;
}
.btn:hover { background: var(--sii-blue-dark); }

/* ---------- Legal text ---------- */
.legal {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.legal h2 {
  font-size: 1.05rem;
  color: var(--sii-ink);
  margin: 2rem 0 .6rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  letter-spacing: -.005em;
}
.legal h2:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.legal h2 .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7rem;
  height: 1.7rem;
  padding: 0 .35rem;
  margin-right: .6rem;
  background: var(--accent-soft);
  color: var(--sii-blue);
  border-radius: 7px;
  font-size: .85rem;
  font-weight: 700;
  vertical-align: middle;
}
.legal p { margin: .6rem 0; color: var(--text); }
.legal .sub { font-weight: 700; color: var(--sii-ink); margin: 1.1rem 0 .3rem; }
.legal ul { margin: .5rem 0 .8rem; padding-left: 1.3rem; }
.legal li { margin: .3rem 0; }
.legal a { word-break: break-word; }
.legal .prize {
  background: var(--accent-soft);
  border: 1px solid #cfe0f2;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--sii-ink);
  margin: .8rem 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--sii-ink);
  color: #aebfd2;
  margin-top: 3rem;
  padding: 2.5rem 0;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.site-footer a { color: #d8e4f2; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.site-footer .copy { font-size: .88rem; }

/* ---------- Impressum ---------- */
.doc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(1.5rem, 4vw, 2.5rem); }
.doc h1 { margin-top: 0; color: var(--sii-ink); }
.doc h2 { color: var(--sii-ink); font-size: 1.1rem; margin: 1.6rem 0 .4rem; }
.doc .note { color: var(--muted); font-size: .9rem; font-style: italic; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 3rem 0 2.5rem; }
}