:root {
    --green: #0faa3f;
    --green-light: #e8ffef;
    --red: #d62828;
    --muted: #455049;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box
  }

  body {
    background: #f5fff7;
    font-family: "Poppins", sans-serif;
  }
  .site-header{
    background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)),
     url('./image/event.jpg') center/cover no-repeat;
     margin-top: 50px;
     height: 500px;
  }
  .event-cards{
    padding: 40px 20px;
  }
  /* GRID */
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
  }

  .card {
    background: #ffffff;
    border-radius: 14px;
    padding: 20px;
    position: relative;
    box-shadow: 0 8px 20px rgba(10, 10, 10, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
    /* hide any overflow from ribbons */
    transition:
      transform 260ms cubic-bezier(.2, .9, .2, 1),
      box-shadow 260ms cubic-bezier(.2, .9, .2, 1),
      border-color 260ms ease;
    will-change: transform;
  }

  .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 36px rgba(10, 10, 10, 0.12);
    border-color: rgba(0, 0, 0, 0.06);
  }

  .card:active {
    transform: translateY(-2px);
  }

  /* REAL RIBBON */
  .ribbon {
    width: 160px;
    background: var(--green);
    color: white;
    font-weight: 700;
    padding: 6px 2px;
    position: absolute;
    top: 16px;
    right: -45px;
    text-align: center;
    transform: rotate(45deg) translateZ(0) scale(1);
    transform-origin: center;
    pointer-events: none;
    /* non-clickable; state follows registration date */
    transition:
      background 360ms cubic-bezier(.2, .9, .2, 1),
      transform 280ms cubic-bezier(.25, .9, .25, 1),
      opacity 280ms ease,
      box-shadow 280ms ease;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
    letter-spacing: 0.6px;
    font-size: 13px;
    border-radius: 4px;
  }

  .ribbon.open {
    background: linear-gradient(180deg, var(--green), #089834);
    color: #fff;
  }

  .ribbon.close {
    background: linear-gradient(180deg, var(--red), #b21b1b);
    color: #fff;
    transform: rotate(45deg) translateZ(0) scale(0.98);
    opacity: 0.95;
  }

  /* subtle pop-in effect for newly-open ribbons */
  .ribbon.pop {
    animation: ribbonPop 420ms cubic-bezier(.2, .9, .2, 1) both;
  }

  @keyframes ribbonPop {
    0% {
      transform: rotate(45deg) scale(0.6);
      opacity: 0;
    }

    60% {
      transform: rotate(45deg) scale(1.06);
      opacity: 1;
    }

    100% {
      transform: rotate(45deg) scale(1);
    }
  }

  .tag {
    background: var(--green-light);
    color: var(--green);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
  }

  .title {
    margin-top: 18px;
    font-size: 22px;
    font-weight: 700;
  }

  .subtitle {
    font-size: 13px;
    color: var(--muted);
    margin-top: 6px;
  }

  .linkline {
    margin-top: 10px;
    display: inline-block;
    color: var(--green);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
  }

  .meta {
    color: var(--muted);
    font-size: 12px;
    margin-top: 6px;
  }

  .price-row {
    display: flex;
    align-items: flex-end;
    margin-top: 16px;
    gap: 14px;
    position: relative;
  }

  .price {
    font-size: 26px;
    font-weight: 800;
    color: #064d1f;
  }

  .old-price-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .old-price {
    font-size: 13px;
    color: #999;
    text-decoration: line-through;
    margin-top: 6px;
  }

  /* Discount badge (above old price) */
  .discount-badge {
    position: absolute;
    top: -12px;
    right: 10px;
    transform: translateY(0) scale(1);
    color: var(--green);
    font-weight: 450;
    font-size: 11px;
    padding: 6px 8px;
    box-shadow: 0 6px 14px rgba(11, 113, 52, 0.06);
    transition: transform 360ms cubic-bezier(.2, .9, .2, 1), opacity 260ms ease;
    opacity: 1;
  }

  .discount-badge.hide {
    transform: translateY(-6px) scale(0.92);
    opacity: 0;
  }

  .bullets {
    margin-top: 16px;
  }

  .bullet {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 14px;
  }

  .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    margin-top: 5px;
  }

  .info {
    margin-top: 14px;
    padding: 12px;
    background: #edfff3;
    border: 1px dashed #b6e7c5;
    border-radius: 10px;
    font-size: 13px;
  }

  .btn {
    margin-top: 16px;
    width: 100%;
    padding: 13px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 220ms ease, opacity 180ms ease, background 220ms ease;
    background: var(--green);
    color: white;
    text-transform: lowercase;
    box-shadow: 0 8px 18px rgba(11, 113, 52, 0.12);
  }

  .btn:active {
    transform: translateY(1px) scale(0.998);
  }

  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(11, 113, 52, 0.14);
  }

  .btn.disabled {
    background: #c3ddcd;
    color: #6f7c72;
    cursor: not-allowed;
    opacity: 0.85;
    box-shadow: none;
    transform: none;
  }

  .info-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 18px;
    column-gap: 40px;
    max-width: 420px;
    color: #333;
    font-size: 14px;
  }

  .info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
  }

  .info-item i {
    color: #0E8C42;
    /* green color */
    font-size: 18px;
    margin-top: 3px;
  }

    /* @media(max-width:950px) {
    .grid {
     grid-template-columns: repeat(2, 1fr);
    }
  } */

  @media(max-width:650px) {
    .grid {
      grid-template-columns: 1fr;
    }
  }

  /* small responsive tweaks */
  @media (max-width:420px) {
    .ribbon {
      width: 120px;
      right: -40px;
      font-size: 12px;
    }

    .discount-badge {
      font-size: 11px;
      padding: 5px 7px;
      top: -16px;
    }
  }

  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 9999;
  }
  .modal-overlay.active { display: flex; }
  .modal {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.18);
  }
  .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid #eef2f0;
  }
  .modal-title {
    font-size: 18px;
    font-weight: 700;
    color: #064d1f;
  }
  .modal-close {
    background: transparent;
    border: none;
    font-size: 22px;
    cursor: pointer;
  }
  .modal-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px;
  }
  .modal-form input {
    padding: 12px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
  }