/* roulang page: index */
:root {
      --primary: #0F4C5C;
      --secondary: #38A3A5;
      --accent: #E36414;
      --bg-canvas: #F8FBFB;
      --bg-dark: #081C24;
      --text-main: #111D24;
      --text-body: #3F4E56;
      --text-sub: #798A94;
      --border-subtle: rgba(15, 76, 92, 0.08);
      --shadow-float: 0 12px 30px rgba(15, 76, 92, 0.06);
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      background-color: var(--bg-canvas);
      color: var(--text-body);
      line-height: 1.75;
      overflow-x: hidden;
    }
    .med-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .med-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .med-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-float);
      border-color: rgba(56, 163, 165, 0.3);
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(8, 28, 36, 0.92) 0%, rgba(15, 76, 92, 0.82) 100%);
    }