  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --black: #0a0a0a;
    --gold: #c9a84c;
    --gold-light: #e8c96a;
    --red: #c0392b;
    --cream: #f5f0e8;
    --gray: #6b6b6b;
    --white: #ffffff;
  }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--cream);
    color: var(--black);
    line-height: 1.6;
  }

  /* ─── HERO ─── */
  .hero {
    background: var(--black);
    min-height: 88vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
  }

  /* Chessboard SVG background */
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      repeating-conic-gradient(rgba(255,255,255,0.04) 0% 25%, transparent 0% 50%);
    background-size: 60px 60px;
    pointer-events: none;
  }

  .hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 60px 80px 80px;
    position: relative;
    z-index: 2;
  }

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--red);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 2px;
    width: fit-content;
    margin-bottom: 32px;
    animation: fadeIn 0.6s ease;
  }

  .hero-tag::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }

  .hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(44px, 5.5vw, 76px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.05;
    margin-bottom: 8px;
    animation: slideUp 0.7s ease 0.1s both;
  }

  .hero-title span {
    color: var(--gold);
    font-style: italic;
  }

  .hero-subtitle {
    font-family: 'Playfair Display', serif;
    font-size: clamp(22px, 2.5vw, 36px);
    font-weight: 700;
    color: rgba(255,255,255,0.55);
    margin-bottom: 40px;
    animation: slideUp 0.7s ease 0.2s both;
  }

  .hero-dates {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 48px;
    animation: slideUp 0.7s ease 0.3s both;
  }

  .date-item {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .date-badge {
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
    white-space: nowrap;
    min-width: 80px;
    text-align: center;
  }

  .date-text {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    font-weight: 500;
  }

  .hero-cta-group {
    display: flex;
    gap: 16px;
    animation: slideUp 0.7s ease 0.4s both;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: var(--gold);
    color: var(--black);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 28px;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s;
    display: inline-block;
  }

  .btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

  .btn-secondary {
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
    padding: 14px 28px;
    border-radius: 2px;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
    display: inline-block;
  }

  .btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

  /* Decorative chess piece side */
  .hero-right {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding: 60px 40px;
  }

  .chess-graphic {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 1s ease 0.3s both;
  }

  /* ─── STATS BAND ─── */
  .stats-band {
    background: var(--gold);
    padding: 28px 80px;
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .stat {
    text-align: center;
  }

  .stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 40px;
    font-weight: 900;
    color: var(--black);
    line-height: 1;
  }

  .stat-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(10,10,10,0.6);
    margin-top: 4px;
  }

  /* ─── CONTENT ─── */
  .content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 40px;
  }

  .section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 12px;
  }

  .section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
  }

  .lead-text {
    font-size: 18px;
    line-height: 1.75;
    color: #333;
    max-width: 720px;
    margin-bottom: 60px;
  }

  /* ─── CARDS GRID ─── */
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-bottom: 80px;
    background: #ddd;
  }

  .card {
    background: var(--white);
    padding: 40px 32px;
    position: relative;
    transition: background 0.2s;
  }

  .card:hover { background: var(--black); color: var(--white); }
  .card:hover .card-title { color: var(--gold); }
  .card:hover .card-text { color: rgba(255,255,255,0.7); }

  .card-icon {
    font-size: 32px;
    margin-bottom: 20px;
    display: block;
  }

  .card-title {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    transition: color 0.2s;
  }

  .card-text {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    transition: color 0.2s;
  }

  /* ─── AKADEMIA ─── */
  .akademia {
    background: var(--black);
    color: var(--white);
    padding: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
  }

  .akademia h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.15;
  }

  .akademia h2 em {
    color: var(--gold);
    font-style: italic;
  }

  .akademia p {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 20px;
  }

  .trainers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .trainer-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.06);
    border-left: 3px solid var(--gold);
  }

  .trainer-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--black);
    flex-shrink: 0;
  }

  .trainer-name {
    font-weight: 600;
    font-size: 15px;
  }

  .trainer-role {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
  }

  /* ─── TIMELINE ─── */
  .timeline-section {
    margin-bottom: 80px;
  }

  .timeline {
    position: relative;
    padding-left: 32px;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--gold), var(--red));
  }

  .timeline-item {
    position: relative;
    margin-bottom: 32px;
    padding: 24px 28px;
    background: var(--white);
    border: 1px solid #e5e0d5;
    border-left: 3px solid var(--gold);
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    left: -42px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--gold);
    border: 2px solid var(--cream);
  }

  .timeline-date {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 6px;
  }

  .timeline-title {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
  }

  .timeline-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
  }

  /* ─── CTA FINAL ─── */
  .cta-final {
    background: var(--red);
    color: var(--white);
    padding: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-final::before {
    content: '♟';
    position: absolute;
    font-size: 300px;
    opacity: 0.04;
    top: -60px;
    right: -20px;
    line-height: 1;
    pointer-events: none;
  }

  .cta-final h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 900;
    margin-bottom: 16px;
    position: relative;
  }

  .cta-final p {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
  }

  .cta-email {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    border-bottom: 2px solid rgba(255,255,255,0.4);
    padding-bottom: 2px;
    display: inline-block;
    margin-bottom: 32px;
    position: relative;
    transition: border-color 0.2s;
  }

  .cta-email:hover { border-color: var(--white); }

  .cta-contact-row {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
  }

  .contact-chip {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 2px;
    text-decoration: none;
    transition: background 0.2s;
  }

  .contact-chip:hover { background: rgba(255,255,255,0.22); }

  /* ─── FOOTER ─── */
  .footer-note {
    background: var(--black);
    color: rgba(255,255,255,0.35);
    text-align: center;
    padding: 24px;
    font-size: 13px;
  }

  .footer-note strong { color: var(--gold); }

  /* ─── ANIMATIONS ─── */
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; min-height: auto; }
    .hero-right { display: none; }
    .hero-left { padding: 60px 32px; }
    .akademia { grid-template-columns: 1fr; gap: 40px; padding: 48px 32px; }
    .cards-grid { grid-template-columns: 1fr; }
    .stats-band { padding: 28px 24px; gap: 32px; }
    .content { padding: 60px 24px; }
    .cta-final { padding: 60px 32px; }
  }
  /* ─── AKADEMIA DATES ─── */
  .akademia-dates {
    margin-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
  }

  .akademia-dates-label {
    font-size: 10px !important;
    font-weight: 700 !important;
    letter-spacing: 2.5px !important;
    text-transform: uppercase !important;
    color: var(--gold) !important;
    margin-bottom: 14px !important;
    opacity: 0.8;
  }

  .akademia-dates-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
  }

  .akademia-date-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(201,168,76,0.2);
    padding: 12px 16px;
    border-radius: 2px;
  }

  .adate-day {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 4px;
  }

  .adate-hours {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
    letter-spacing: 0.3px;
  }

  .akademia-dates-note {
    font-size: 12px !important;
    color: rgba(255,255,255,0.35) !important;
    font-style: italic;
    margin-bottom: 0 !important;
  }

  @media (max-width: 900px) {
    .akademia-dates-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 500px) {
    .akademia-dates-grid { grid-template-columns: 1fr; }
  }

  /* ─── SCHEDULE TABLES ─── */
  .schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
  }

  .schedule-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #e5e0d5;
    vertical-align: top;
    line-height: 1.5;
  }

  .schedule-table tr:last-child td {
    border-bottom: none;
  }

  .schedule-table td:first-child {
    white-space: nowrap;
    width: 40%;
  }

  @media (max-width: 900px) {
    #program > div:first-of-type,
    #zakwaterowanie > div:nth-of-type(2) {
      grid-template-columns: 1fr;
    }
  }

  /* ─── COSTS SUMMARY ─── */
  .costs-summary {
    background: var(--black);
    padding: 80px;
    text-align: center;
  }

  .costs-summary .section-label {
    color: var(--gold);
  }

  .costs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    max-width: 1100px;
    margin: 0 auto;
    background: rgba(255,255,255,0.08);
  }

  .cost-item {
    background: rgba(255,255,255,0.04);
    padding: 32px 24px;
    text-align: center;
  }

  .cost-label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    margin-bottom: 12px;
  }

  .cost-value {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 8px;
  }

  .cost-free .cost-value {
    color: #2ecc71;
  }

  .cost-note {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    line-height: 1.5;
  }

  @media (max-width: 900px) {
    .costs-summary { padding: 60px 24px; }
    .costs-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 500px) {
    .costs-grid { grid-template-columns: 1fr; }
  }
