:root {
  --blue:        #275B77;
  --blue-light:  #3a7a9c;
  --blue-dark:   #1a3d50;
  --blue-deep:   #0f2230;
  --grey-400:    #9aa4ad;
  --grey-600:    #5c6a74;
  --grey-900:    #181c20;
  --dark:        #111518;
  --light:       #f0f3f5;
  --text-muted:  #6e8290;
  --accent:      #a8b8c4;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.echo-gambitu-page {
  background: var(--dark);
  color: var(--light);
  font-family: 'Crimson Text', Georgia, serif;
  font-weight: 400;
  font-size: 1.05rem;
  overflow-x: hidden;
}

/* ── NAV ── */
.echo-gambitu-page nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: var(--dark);
  border-bottom: 1px solid rgba(39,91,119,0.2);
}

.echo-gambitu-page .nav-logo {
  font-family: 'EB Garamond', Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.echo-gambitu-page .nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.echo-gambitu-page .nav-links a {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--light);
  text-decoration: none;
  transition: color 0.2s;
}

.echo-gambitu-page .nav-links a:hover { color: var(--accent); }

/* ── HERO ── */
.echo-gambitu-page #hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(175deg, #0d1e2b 0%, #111518 55%, #0f1c26 100%);
}

.echo-gambitu-page #hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.echo-gambitu-page .hero-piece-left,
.echo-gambitu-page .hero-piece-right {
  position: relative;
  display: flex;
  align-items: flex-end;
  height: 100vh;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}

.echo-gambitu-page .hero-piece-left  { justify-content: flex-start; padding-left: 2rem; }
.echo-gambitu-page .hero-piece-right { justify-content: flex-end;   padding-right: 2rem; }

.echo-gambitu-page .hero-piece-left  .piece-glyph { animation: floatLeft  11s ease-in-out infinite; }
.echo-gambitu-page .hero-piece-right .piece-glyph { animation: floatRight 13s ease-in-out infinite; }

.echo-gambitu-page .piece-glyph {
  font-size: clamp(14rem, 18vw, 22rem);
  line-height: 1;
  background: linear-gradient(145deg,
    #dce8ef 0%,
    #8aafc4 25%,
    #375f78 55%,
    #0f2230 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter:
    drop-shadow(0 12px 32px rgba(0,0,0,0.6))
    drop-shadow(0  2px  4px rgba(0,0,0,0.9));
  margin-bottom: 8vh;
}

.echo-gambitu-page .hero-piece-left::after,
.echo-gambitu-page .hero-piece-right::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.echo-gambitu-page .hero-piece-left::after {
  background: linear-gradient(to right, transparent 30%, #111518 100%),
              linear-gradient(to bottom, #0d1e2b 0%, transparent 20%, transparent 80%, #111518 100%);
}
.echo-gambitu-page .hero-piece-right::after {
  background: linear-gradient(to left, transparent 30%, #111518 100%),
              linear-gradient(to bottom, #0d1e2b 0%, transparent 20%, transparent 80%, #111518 100%);
}

/* ── HERO CENTRE ── */
.echo-gambitu-page .hero-centre {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8rem 3rem 6rem;
  white-space: nowrap;
}

@keyframes floatLeft {
  0%, 100% { transform: translateY(0);     }
  50%       { transform: translateY(-16px); }
}
@keyframes floatRight {
  0%, 100% { transform: translateY(0);    }
  50%       { transform: translateY(-10px);}
}

/* ── HERO TYPOGRAPHY ── */
.echo-gambitu-page .hero-eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}

.echo-gambitu-page .hero-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(3.5rem, 7vw, 8rem);
  font-weight: 900;
  line-height: 0.92;
  margin-bottom: 0.3em;
  animation: fadeUp 0.8s 0.15s ease both;
}

.echo-gambitu-page .hero-title .line1 { display: block; color: var(--light); }
.echo-gambitu-page .hero-title .line2 {
  display: block;
  font-style: italic;
  color: var(--accent);
  font-size: 0.75em;
}

.echo-gambitu-page .hero-divider {
  width: 50px;
  height: 1px;
  background: var(--blue);
  margin: 1.8rem auto;
  animation: fadeUp 0.8s 0.35s ease both;
}

.echo-gambitu-page .hero-date-block {
  display: flex;
  align-items: center;
  gap: 2rem;
  animation: fadeUp 0.8s 0.5s ease both;
}

.echo-gambitu-page .hero-date {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.25rem;
  color: var(--light);
}

.echo-gambitu-page .hero-date span {
  display: block;
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.echo-gambitu-page .hero-sep {
  width: 1px;
  height: 36px;
  background: rgba(39,91,119,0.45);
}

.echo-gambitu-page .hero-cta {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.95rem 3rem;
  border: 1px solid var(--blue);
  color: var(--light);
  text-decoration: none;
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: all 0.3s;
  animation: fadeUp 0.8s 0.65s ease both;
  position: relative;
  overflow: hidden;
  z-index: 0;
}

.echo-gambitu-page .hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--blue);
  transform: translateX(-100%);
  transition: transform 0.3s;
  z-index: -1;
}

.echo-gambitu-page .hero-cta:hover::before { transform: translateX(0); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── SHARED ── */
.echo-gambitu-page section { position: relative; z-index: 1; }

.echo-gambitu-page .section-label {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.echo-gambitu-page .section-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--light);
}

/* ── O TURNIEJU ── */
.echo-gambitu-page #o-turnieju {
  padding: 8rem 4rem;
}

.echo-gambitu-page #o-turnieju .inner {
  max-width: 1200px;
  margin: 0 auto;
}

.echo-gambitu-page .o-turnieju-text p {
  color: var(--grey-400);
  line-height: 1.85;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.echo-gambitu-page .stat-block {
  border-left: 2px solid var(--blue);
  padding: 1.2rem 0 1.2rem 1.5rem;
  margin-bottom: 1.5rem;
}

.echo-gambitu-page .stat-block:last-child { margin-bottom: 0; }

.echo-gambitu-page .stat-num {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--blue-light);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.echo-gambitu-page .stat-desc {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── SZCZEGÓŁY ── */
.echo-gambitu-page #szczegoly {
  background: var(--grey-900);
  border-top: 1px solid rgba(39,91,119,0.2);
  border-bottom: 1px solid rgba(39,91,119,0.2);
  padding: 8rem 4rem;
}

.echo-gambitu-page .szczegoly-inner { max-width: 1200px; margin: 0 auto; }
.echo-gambitu-page .szczegoly-header { text-align: center; margin-bottom: 5rem; }

.echo-gambitu-page .info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(39,91,119,0.2);
  border: 1px solid rgba(39,91,119,0.2);
}

.echo-gambitu-page .info-card {
  background: var(--grey-900);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.echo-gambitu-page .info-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.echo-gambitu-page .info-card:hover { background: rgba(39,91,119,0.08); }
.echo-gambitu-page .info-card:hover::after { transform: scaleX(1); }

.echo-gambitu-page .info-icon { font-size: 2rem; margin-bottom: 1.5rem; display: block; }

.echo-gambitu-page .info-card-label {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.echo-gambitu-page .info-card-value {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--light);
}

.echo-gambitu-page .info-card-desc {
  font-size: 0.85rem;
  color: var(--grey-600);
  line-height: 1.6;
}

/* ── HARMONOGRAM ── */
.echo-gambitu-page #harmonogram {
  padding: 8rem 4rem;
  max-width: 860px;
  margin: 0 auto;
}

.echo-gambitu-page .harmonogram-header { text-align: center; margin-bottom: 5rem; }

.echo-gambitu-page .timeline {
  position: relative;
  padding-left: 3rem;
}

.echo-gambitu-page .timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--blue) 8%, var(--blue) 92%, transparent);
}

.echo-gambitu-page .timeline-item {
  position: relative;
  padding: 1.8rem 0 1.8rem 3rem;
  border-bottom: 1px solid rgba(39,91,119,0.12);
}

.echo-gambitu-page .timeline-item:last-child { border-bottom: none; }

.echo-gambitu-page .timeline-dot {
  position: absolute;
  left: -0.45rem;
  top: 2.2rem;
  width: 0.9rem;
  height: 0.9rem;
  background: var(--dark);
  border: 1px solid var(--blue);
  transform: rotate(45deg);
  transition: background 0.3s;
}

.echo-gambitu-page .timeline-item:hover .timeline-dot { background: var(--blue); }

.echo-gambitu-page .timeline-time {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.echo-gambitu-page .timeline-event {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.15rem;
  color: var(--light);
  margin-bottom: 0.25rem;
}

.echo-gambitu-page .timeline-note { font-size: 0.85rem; color: var(--grey-600); }

/* ── LOKALIZACJA ── */
.echo-gambitu-page #lokalizacja {
  padding: 8rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.echo-gambitu-page .lokalizacja-header { text-align: center; margin-bottom: 5rem; }

.echo-gambitu-page .lokalizacja-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.echo-gambitu-page .map-placeholder {
  aspect-ratio: 4/3;
  background: rgba(39,91,119,0.08);
  border: 1px solid rgba(39,91,119,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.echo-gambitu-page .map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(39,91,119,0.04) 20px,
    rgba(39,91,119,0.04) 21px
  );
}

.echo-gambitu-page .map-pin { font-size: 3rem; position: relative; }

.echo-gambitu-page .map-label {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  position: relative;
}

.echo-gambitu-page .location-details h3 {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem;
  color: var(--light);
  margin-bottom: 1rem;
}

.echo-gambitu-page .location-details p {
  color: var(--grey-400);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.echo-gambitu-page .location-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(39,91,119,0.35);
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
}

/* ── REJESTRACJA ── */
.echo-gambitu-page #rejestracja {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-deep) 100%);
  padding: 10rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.echo-gambitu-page #rejestracja::before {
  content: '♔';
  position: absolute;
  font-size: 40rem;
  opacity: 0.03;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  color: var(--light);
  line-height: 1;
}

.echo-gambitu-page .reg-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.echo-gambitu-page .reg-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--light);
  margin-bottom: 1rem;
  line-height: 1.05;
}

.echo-gambitu-page .reg-title em { font-style: italic; color: var(--accent); }

.echo-gambitu-page .reg-sub {
  color: rgba(240,243,245,0.55);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.echo-gambitu-page .reg-btn {
  display: inline-block;
  padding: 1.2rem 4rem;
  background: var(--blue);
  color: var(--light);
  text-decoration: none;
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: all 0.3s;
}

.echo-gambitu-page .reg-btn:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(39,91,119,0.4);
}

/* ── FOOTER ── */
.echo-gambitu-page footer {
  background: var(--grey-900);
  border-top: 1px solid rgba(39,91,119,0.2);
  padding: 3rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.echo-gambitu-page .footer-logo {
  font-family: 'EB Garamond', Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--light);
}

.echo-gambitu-page .footer-copy {
  font-size: 0.85rem;
  color: var(--grey-400);
  font-family: 'Cormorant SC', Georgia, serif;
  letter-spacing: 0.1em;
}

.echo-gambitu-page .footer-privacy {
  font-size: 0.82rem;
  color: var(--grey-400);
  text-decoration: none;
  letter-spacing: 0.06em;
  font-family: 'Cormorant SC', Georgia, serif;
  transition: color 0.2s;
}

.echo-gambitu-page .footer-privacy:hover,
.echo-gambitu-page .footer-privacy:focus {
  color: var(--light);
  text-decoration: underline;
}

.echo-gambitu-page .footer-pieces {
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  opacity: 0.45;
  color: var(--blue-light);
}

/* ── PATRONI ── */
.echo-gambitu-page #patroni {
  background: #ffffff;
  border-top: 1px solid rgba(39,91,119,0.15);
  border-bottom: 1px solid rgba(39,91,119,0.15);
  padding: 5rem 4rem;
}

.echo-gambitu-page .patroni-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.echo-gambitu-page .patroni-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.echo-gambitu-page .patron-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.echo-gambitu-page .patron-item img {
  max-height: 120px;
  max-width: 320px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.echo-gambitu-page .patron-divider {
  width: 1px;
  height: 60px;
  background: rgba(39,91,119,0.2);
}

/* ── REVEAL ── */
.echo-gambitu-page .reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.echo-gambitu-page .reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .echo-gambitu-page nav { padding: 1rem 1.5rem; }
  .echo-gambitu-page .nav-links { display: none; }

  .echo-gambitu-page #hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .echo-gambitu-page .hero-piece-left,
  .echo-gambitu-page .hero-piece-right { display: none; }
  .echo-gambitu-page .hero-centre { padding: 8rem 1.5rem 5rem; white-space: normal; }

  .echo-gambitu-page #o-turnieju .inner,
  .echo-gambitu-page .lokalizacja-grid { grid-template-columns: 1fr; gap: 3rem; }

  .echo-gambitu-page #o-turnieju,
  .echo-gambitu-page #szczegoly,
  .echo-gambitu-page #harmonogram,
  .echo-gambitu-page #lokalizacja { padding: 5rem 1.5rem; }

  .echo-gambitu-page .info-grid { grid-template-columns: 1fr; }
  .echo-gambitu-page .hero-date-block { flex-direction: column; gap: 1rem; }
  .echo-gambitu-page .hero-sep { width: 40px; height: 1px; }
  .echo-gambitu-page footer { flex-direction: column; gap: 1rem; text-align: center; }
  .echo-gambitu-page #rejestracja { padding: 6rem 1.5rem; }
  .echo-gambitu-page #patroni { padding: 4rem 1.5rem; }
  .echo-gambitu-page .patroni-logos { gap: 3rem; }
  .echo-gambitu-page .patron-divider { display: none; }
}