* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.page-wrapper {
    background-color: #0F172A;
}
.section-header {
    padding-top: 10%;
}
.section-header h2 {
    color: #fff;
}
.section-header p {
    color: #8c96a4;
    font-size: 20px;
    width: 600px;
    margin: auto;
}
.vedio-section {
     background-color: #0F172A;
}
.main-video {
    padding-bottom: 10px;
    width: 900px;
    margin: auto;
}
/* ── Video Player ── */
  .video-wrap {
    position: relative;
    background: #1e293b;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 20px; overflow: hidden;
    margin-bottom: 20px;
    aspect-ratio: 16 / 9;
  }
  .video-thumb {
    width: 100%; height: 100%;
    object-fit: cover; display: block; filter: brightness(.45);
  }
  .video-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 14px;
  }
  .play-btn {
    width: 68px; height: 68px; border-radius: 50%;
    background: linear-gradient(135deg, #2563EB, #1d4ed8);
    border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; color: #fff;
    box-shadow: 0 0 0 14px rgba(37,99,235,.15);
    transition: transform .2s;
  }
  .play-btn:hover { transform: scale(1.08); }
  .play-btn.playing {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 0 0 14px rgba(239,68,68,.15);
  }
  .video-label { font-size: 13px; color: #94a3b8; font-weight: 500; }

  /* ── Progress ── */
  .progress-wrap {
    background: #1e293b;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px; padding: 0px 20px;
  }
  .prog-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
  .prog-label { font-size: 12px; font-weight: 600; color: #94a3b8; }
  .prog-pct { font-size: 12px; font-weight: 700; color: #60a5fa; }
  .prog-bar-bg { height: 6px; background: rgba(255,255,255,.06); border-radius: 999px; overflow: hidden; }
  .prog-bar { height: 100%; background: linear-gradient(90deg, #2563EB, #60a5fa); border-radius: 999px; width: 0%; transition: width .4s; }
  .prog-hint { font-size: 11px; color: #475569; margin-top: 8px; text-align: center; }

  .notes-title {
    font-size: 18px; font-weight: 700; color: #FFFFFF;
    margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
  }
  .notes-title-dot { width: 6px; height: 6px; border-radius: 50%; background: #F59E0B; }

  .notes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px; padding-bottom: 32px;
  }

  .note-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 14px; padding: 16px 18px;
    transition: background .2s, border-color .2s; cursor: default;
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .note-card:hover { background: rgba(37,99,235,.08); border-color: rgba(37,99,235,.3); }

  .note-icon {
    width: 45px; height: 45px; border-radius: 9px;
    background: rgba(37,99,235,.15);
    border: 1px solid rgba(37,99,235,.25);
    display: flex; align-items: center; justify-content: center;
    font-size: 17px;
    transition: background .2s;
  }
  .note-icon svg {
    color: #fff;
  }
  .note-card:hover .note-icon { background: #2563EB; border-color: #2563EB; }

  .note-name { font-size: 18px; font-weight: 700; color: #e2e8f0; }
  .note-desc { font-size: 12px; color: #475569; line-height: 1.55; }
  

  /* Gold locked card */
  .note-card.gold {
    background: rgba(245,158,11,.05);
    border-color: rgba(245,158,11,.2);
  }
  .note-card.gold .note-icon {
    background: rgba(245,158,11,.15);
    border-color: rgba(245,158,11,.3);
  }
  .note-card.gold .note-name { color: #F59E0B; }

  /* ── CTA ── */
  .cta-wrap { text-align: center; margin-top:  2%;}

  .btn-locked {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    color: #475569; font-size: 14px; font-weight: 600;
    padding: 14px 32px; border-radius: 999px;
    cursor: not-allowed; user-select: none;
  }

  .btn-unlocked {
    display: none;
    align-items: center; gap: 8px;
    background: linear-gradient(135deg, #2563EB, #1d4ed8);
    color: #FFFFFF; font-size: 14px; font-weight: 600;
    padding: 14px 36px; border-radius: 999px;
    border: none; cursor: pointer; text-decoration: none;
    box-shadow: 0 4px 24px rgba(37,99,235,.4);
    transition: opacity .2s;
    animation: popIn .4s ease;
  }
  
  .btn-unlocked:hover {
    opacity: .9;
    color: #ffffff;
}

  @keyframes popIn {
    from { transform: scale(.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }

  .cta-sub { font-size: 12px; color: #475569; margin-top: 10px; }
  .cta-sub.done { color: #F59E0B; }

  /* Responsive */
  @media (max-width: 600px) {
    .notes-grid { grid-template-columns: 1fr; }
    .welcome h1 { font-size: 22px; }
  }

  /* --------------- Responssive ------------ */
  @media screen and (max-width: 800px){
    .main-video {
      padding-bottom: 10px;
      width: 700px;
      margin: auto;
    }
    .note-name {
      font-size: 14px;
    }
    .note-icon {
      width: 40px;
      height: 40px;
    }
    .notes-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media screen and (max-width: 500px){
    .section-header {
      padding-top: 20%;
    }
    .section-header p {
      font-size: 14px;
      width: auto;
    }
    .main-video {
      padding-bottom: 10px;
      width: auto;
    }
    .notes-grid {
      grid-template-columns: 1fr;
    }
  }