/* roulang page: index */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    * {
      box-sizing: border-box;
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .custom-gradient-text {
      background: linear-gradient(135deg, #f43f5e 0%, #d946ef 50%, #00f2fe 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }
    .stepper-line {
      background: linear-gradient(90deg, rgba(217, 70, 239, 0.3) 0%, rgba(0, 242, 254, 0.3) 100%);
    }
    .hide-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .hide-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category2 */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }

/* roulang page: category1 */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }
    .glass-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(8px);
    }
    .glass-pill:hover, .glass-pill.active {
      background: linear-gradient(135deg, rgba(217, 70, 239, 0.3) 0%, rgba(236, 72, 153, 0.2) 100%);
      border-color: rgba(236, 72, 153, 0.5);
      color: #ffffff;
    }
    .badge-amber {
      background: linear-gradient(135deg, #ffb703 0%, #fb8500 100%);
      color: #090a10;
    }
    .badge-cyan {
      background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
      color: #090a10;
    }
    .step-line {
      background: linear-gradient(90deg, rgba(217, 70, 239, 0.6) 0%, rgba(0, 242, 254, 0.6) 100%);
    }

/* roulang page: category3 */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #d946ef 50%, #8b5cf6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .radial-progress {
      transform: rotate(-90deg);
      transform-origin: 50% 50%;
    }

/* roulang page: category4 */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }
    .step-active-line {
      background: linear-gradient(90deg, #d946ef 0%, #ec4899 50%, #f43f5e 100%);
    }
    /* Custom Scrollbar */
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #090a10;
    }
    ::-webkit-scrollbar-thumb {
      background: #1b2038;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #ec4899;
    }

/* roulang page: category5 */
:root {
      --bg-night: #090a10;
      --bg-panel: #121524;
      --bg-panel-light: #1b2038;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --border-glow: rgba(236, 72, 153, 0.2);
    }
    body {
      background-color: var(--bg-night);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(217, 70, 239, 0.18) 0%, rgba(9, 10, 16, 0.95) 75%);
    }
    .card-border-glow {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: rgba(217, 70, 239, 0.45);
      box-shadow: 0 10px 30px -10px rgba(217, 70, 239, 0.3);
      transform: translateY(-4px);
    }
    .accent-gradient-text {
      background: linear-gradient(135deg, #f472b6 0%, #ec4899 50%, #d946ef 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .subtle-glass {
      background: rgba(18, 21, 36, 0.75);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.07);
    }