/* =========================================
   INDEX BACKGROUND VIDEO
   ========================================= */
#indexVideoBg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.index-video-active #indexVideoBg {
  opacity: 0.42;
}

.index-video-frame-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

#indexVideoFrame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vh;
  transform: translate(-50%, -50%) scale(1.12);
  border: 0;
  filter: blur(7px) saturate(1.1) brightness(0.62);
}

main.modern-container {
  position: relative;
  z-index: 1;
  background:
    radial-gradient(circle at 50% -20%, rgba(28, 42, 78, 0.78) 0%, rgba(11, 12, 16, 0.9) 85%);
}

/* =========================================
   INDEX PAGE LAYOUT
   ========================================= */
.modern-container {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding-inline: clamp(16px, 3vw, 36px);
}

.hero {
  text-align: center;
  max-width: 860px;
  margin: 6px auto 34px;
  padding: clamp(4px, 1.2vw, 10px) clamp(10px, 2vw, 18px);
}

.hero-content {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 999px;
  margin-bottom: 8px;
  background: rgba(0, 210, 255, 0.16);
  border: 1px solid rgba(0, 210, 255, 0.45);
  color: #d5f7ff;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(1.95rem, 4.6vw, 3.15rem);
  font-weight: 800;
  letter-spacing: -1.25px;
  margin: 0;
  line-height: 1.04;
  background: linear-gradient(to bottom, #ffffff 0%, #aeaeae 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero h1 .accent {
  background: linear-gradient(45deg, var(--accent), #00ff88);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 14px var(--accent-glow));
}

.hero p.description {
  margin: 4px auto 12px;
  max-width: 58ch;
  font-size: clamp(0.97rem, 1.05vw, 1.08rem);
  color: var(--text-muted);
  line-height: 1.58;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(45deg, var(--accent), #00ff88);
  color: #031318;
  padding: 13px 30px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  box-shadow: 0 0 30px rgba(0, 210, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 210, 255, 0.3);
  filter: brightness(1.08);
}

/* =========================================
   FEATURE CARDS
   ========================================= */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  align-items: stretch;
}

.features-mobile-strip,
.features-toggle-btn {
  display: none;
}

.features-mobile-strip {
  width: 100%;
  justify-content: center;
  gap: 8px;
  margin: 0 0 10px;
}

.feature-mini-tile {
  min-width: 0;
  height: auto;
  border-radius: 999px;
  padding: 6px 11px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(0, 210, 255, 0.09);
  border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--accent);
}

.feature-mini-tile i {
  font-size: 0.82rem;
  line-height: 1;
}

.feature-mini-tile em {
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: #c6efff;
  line-height: 1;
}

.features-toggle-btn {
  margin: 0 auto 14px;
  background: transparent;
  border: 1px solid rgba(0, 210, 255, 0.45);
  color: #bfefff;
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  padding: 24px 20px;
  border-radius: 18px;
  backdrop-filter: blur(5px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 205px;
}

.feature-card:hover {
  border-color: rgba(0, 210, 255, 0.72);
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.card-icon i,
.feature-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: inline-block;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.feature-card p a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.feature-card p a:hover {
  text-decoration: underline;
}

/* =========================================
   PARTNERS
   ========================================= */
.partners-section {
  width: 100%;
  max-width: 1250px;
  margin: 68px auto 0;
  padding: 30px 0 0;
  border-top: 1px solid var(--glass-border);
}

.partners-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  color: var(--accent);
  margin: 0 0 24px;
  text-align: center;
}

.partners-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px; 
}

.partner-card,
.partner-card.compact {
  position: relative;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 98px;
  width: 100%;
  padding: 16px 16px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease, background 0.26s ease;
}

.partner-card:hover,
.partner-card.compact:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 210, 255, 0.68);
  background: linear-gradient(160deg, rgba(0, 210, 255, 0.12), rgba(255, 255, 255, 0.02));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(0, 210, 255, 0.12) inset;
}

.partner-card:visited,
.partner-card:active,
.partner-card:focus,
.partner-card.compact:visited,
.partner-card.compact:active,
.partner-card.compact:focus {
  color: var(--text-main);
  text-decoration: none;
}

.partner-logo-wrap {
  flex: 0 0 128px;
  width: 128px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 0;
  background: transparent;
  border: none;
}

.partner-logo {
  max-width: 128px;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.partner-logo.contrast-glow {
  filter: drop-shadow(0 0 7px rgba(0, 210, 255, 0.32)) drop-shadow(0 0 2px rgba(255, 255, 255, 0.45));
}

.partner-card:hover .partner-logo,
.partner-card.compact:hover .partner-logo {
  transform: scale(1.07);
  filter: drop-shadow(0 0 8px rgba(0, 210, 255, 0.32));
}

.partner-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.partner-name {
  font-size: 1rem;
  font-weight: 700;
  color: #eaf8ff;
  padding-right: 54px;
}

.partner-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  line-height: 1.35;
}

.partner-code {
  font-size: 0.8rem;
  color: var(--success);
  font-weight: 700;
}

/* Czerwona plakietka 18+ w prawym górnym rogu boxa */
.partner-adult {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: #d82020;
  color: #fff;
  font-size: 0.8rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: 0 6px 16px rgba(216, 32, 32, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.28);
}