/* ============================================================
   sponsor-werden.html — separate sponsor landing page
   ============================================================ */

.sponsor-main {
  padding-top: clamp(2.5rem, 1.4rem + 3vw, 4.5rem);
  padding-bottom: clamp(4rem, 2.8rem + 4vw, 7rem);
}

.sponsor-stack {
  display: grid;
  gap: clamp(1.5rem, 0.8rem + 2vw, 3rem);
}

.sponsor-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-6);
  padding: clamp(1.5rem, 1rem + 2vw, 3rem);
  border-radius: 2rem;
  background:
    radial-gradient(24rem 18rem at 100% 0%, rgba(214, 178, 109, 0.2), rgba(214, 178, 109, 0)),
    linear-gradient(160deg, #ffffff 0%, #f9fbff 60%, #eef4ff 100%);
  box-shadow: 0 34px 70px -52px rgba(18, 44, 104, 0.3);
}

.sponsor-hero-copy {
  max-width: 48rem;
}

.sponsor-hero-title {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 1.5rem + 3.5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  color: var(--color-title);
}

.sponsor-hero-title em {
  font-style: normal;
  color: #9f2d3e;
}

.sponsor-hero-lead {
  margin-top: var(--space-5);
  max-width: 62ch;
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-soft);
}

.sponsor-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.sponsor-highlights {
  display: grid;
  gap: var(--space-3);
}

.sponsor-highlight {
  display: grid;
  gap: 0.5rem;
  padding: 1rem 1.05rem 1.1rem;
  border-radius: 1.3rem;
  background: rgba(255, 255, 255, 0.84);
  box-shadow:
    inset 0 0 0 1px rgba(214, 178, 109, 0.18),
    0 22px 34px -28px rgba(17, 28, 55, 0.12);
}

.sponsor-highlight strong {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.05rem + 1vw, 2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary-700);
}

.sponsor-highlight span {
  color: var(--color-text-soft);
  font-size: var(--text-sm);
}

.sponsor-section {
  padding: clamp(1.25rem, 0.9rem + 1.4vw, 2rem);
  border-radius: 1.7rem;
  background: #ffffff;
  box-shadow: 0 26px 52px -42px rgba(17, 28, 55, 0.12);
}

.sponsor-section h2 {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--color-title);
}

.sponsor-section-lead {
  margin-top: var(--space-4);
  max-width: 62ch;
  color: var(--color-text-soft);
  font-size: var(--text-lg);
}

.sponsor-grid {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.sponsor-card {
  display: grid;
  gap: 0.75rem;
  padding: 1.1rem 1.1rem 1.2rem;
  border-radius: 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow:
    inset 0 0 0 1px rgba(28, 63, 149, 0.08),
    0 18px 34px -30px rgba(17, 28, 55, 0.08);
}

.sponsor-card strong {
  font-size: clamp(1.12rem, 1rem + 0.3vw, 1.35rem);
  color: var(--color-title);
}

.sponsor-card p,
.sponsor-card li {
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.sponsor-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.sponsor-card li {
  position: relative;
  padding-left: 1rem;
}

.sponsor-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #d6b271, #b71b2e);
}

.sponsor-package-grid {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.sponsor-package {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.7rem;
  padding: 1.15rem 1.15rem 1.2rem;
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    inset 0 0 0 1px rgba(214, 178, 109, 0.14),
    0 20px 38px -30px rgba(17, 28, 55, 0.1);
}

.sponsor-package::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 0.26rem;
  background: linear-gradient(90deg, #d6b271 0%, #b71b2e 100%);
}

.sponsor-package.is-featured {
  background:
    linear-gradient(180deg, rgba(255, 250, 241, 0.98), rgba(255, 245, 228, 0.98)),
    url("../media/stammtisch/gold-background-4865761.jpg") center/cover no-repeat;
}

.sponsor-tier {
  font-size: var(--text-2xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9f2d3e;
}

.sponsor-package h3 {
  font-size: clamp(1.18rem, 1.03rem + 0.35vw, 1.45rem);
  color: var(--color-title);
}

.sponsor-logos {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.sponsor-logo-card {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.6rem;
  min-height: 9rem;
  padding: 0.95rem;
  border-radius: 1.1rem;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(28, 63, 149, 0.12);
  text-align: center;
}

.sponsor-logo-card img {
  max-width: 100%;
  max-height: 3.2rem;
  width: auto;
  height: auto;
  object-fit: contain;
}

.sponsor-logo-card span {
  font-size: var(--text-2xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary-700);
}

.sponsor-cta-panel {
  display: grid;
  gap: var(--space-4);
  padding: clamp(1.25rem, 0.95rem + 1.2vw, 1.8rem);
  border-radius: 1.5rem;
  background:
    radial-gradient(18rem 12rem at 100% 0%, rgba(214, 178, 109, 0.18), rgba(214, 178, 109, 0)),
    linear-gradient(160deg, #11203a 0%, #1b2c4c 100%);
  color: #f6f7fb;
}

.sponsor-cta-panel h2 {
  color: #ffffff;
}

.sponsor-cta-panel p,
.sponsor-cta-panel li {
  color: rgba(246, 247, 251, 0.82);
}

.sponsor-cta-panel .btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

@media (min-width: 48rem) {
  .sponsor-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(16rem, 0.9fr);
    align-items: start;
  }

  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sponsor-package-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sponsor-logos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}