:root {
      --card-size: 212px;
      --card-gap: 20px;
      --profile-width: 340px;
      --profile-height: 445px;
    }

    body {
      margin: 0;
      font-family: 'Inter', Arial, sans-serif;
      background: linear-gradient(270deg, #f6f8fa, #e0e7ff, #ffe0e7, #e7ffe0);
      background-size: 800% 800%;
      color: #222;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      animation: gradientBG 18s ease infinite;
      transition: background 0.5s;
    }

    @keyframes gradientBG {
      0% {
        background-position: 0% 50%
      }

      50% {
        background-position: 100% 50%
      }

      100% {
        background-position: 0% 50%
      }
    }

    .container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1.7rem;
      width: 100%;
      max-width: 1020px;
      flex-wrap: wrap;
      min-height: 100vh;
    }

    @media (max-width: 768px) {
      .container {
        flex-direction: column;
        gap: 2rem;
        padding: 1rem 0;
      }
    }

    .profile-card,
    .highlights-slider {
      align-self: center;
    }

    .profile-card {
      position: relative;
      background: #fff;
      border-radius: 14px;
      box-shadow: 0 3px 20px rgba(0, 0, 0, 0.08);
      padding: 1.7rem;
      width: 100%;
      max-width: var(--profile-width);
      text-align: center;
      transition: background 0.5s, color 0.5s;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .profile-card {
        max-width: 500px;
        padding: 2rem;
      }
    }

    .avatar {
      width: 119px;
      height: 119px;
      border-radius: 50%;
      object-fit: cover;
      margin-bottom: 0.85rem;
      border: 2px solid #eaeaea;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .avatar:hover {
      transform: scale(1.08);
      box-shadow: 0 7px 27px rgba(0, 0, 0, 0.15);
    }

    h1 {
      font-size: 1.7rem;
      margin: 0.42rem 0;
      font-weight: 700;
    }

    .subtitle {
      font-size: 0.85rem;
      color: #555;
      margin-bottom: 1.27rem;
    }

    .about {
      font-size: 0.85rem;
      color: #333;
      margin-bottom: 0.85rem;
      text-align: justify;
    }

    .quote {
      font-size: 0.89rem;
      color: #0073b1;
      margin-bottom: 1.27rem;
      font-style: italic;
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 0.85rem;
      margin-bottom: 0.42rem;
    }

    .social-links a {
      color: #222;
      text-decoration: none;
      font-size: 1.7rem;
      transition: color 0.2s, transform 0.2s;
      display: inline-block;
    }

    .social-links a:hover {
      color: #0073b1;
      transform: translateY(-4px) scale(1.2);
    }

    .email-link {
      display: block;
      margin-top: 0.85rem;
      color: #0073b1;
      text-decoration: none;
      font-size: 0.85rem;
    }

    .theme-toggle {
      position: absolute;
      top: 15px;
      right: 15px;
      background: #eaeaea;
      color: #222;
      border: none;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      cursor: pointer;
      transition: background 0.3s, color 0.3s;
      box-shadow: 0 2px 7px rgba(0, 0, 0, 0.07);
      z-index: 2;
    }

    .theme-toggle:hover {
      background: #0073b1;
      color: #fff;
    }

    body.dark-mode {
      background: linear-gradient(270deg, #222, #333, #444, #222);
      color: #f6f8fa;
    }

    body.dark-mode .profile-card {
      background: #222;
      color: #f6f8fa;
    }

    body.dark-mode .subtitle,
    body.dark-mode .about {
      color: #e0e7ff;
    }

    body.dark-mode .quote {
      color: #ffe0e7;
    }

    body.dark-mode .social-links a {
      color: #e0e7ff;
    }

    body.dark-mode .social-links a:hover {
      color: #ffe0e7;
    }

    body.dark-mode .email-link {
      color: #ffe0e7;
    }

    body.dark-mode .theme-toggle {
      background: #333;
      color: #e0e7ff;
    }

    body.dark-mode .theme-toggle:hover {
      background: #ffe0e7;
      color: #222;
    }

    .highlights-slider {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      height: 100vh;
      position: relative;
      width: var(--card-size);
      overflow: hidden;
      padding: 0 25px;
    }

    @media (max-width: 768px) {
      .highlights-slider {
        flex-direction: row;
        width: 100vw;
        max-width: 100vw;
        height: 280px;
        min-height: 280px;
        padding: 0;
        overflow-x: hidden;
        overflow-y: visible;
        align-items: center;
        justify-content: center;
      }
    }

    .highlights-track {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--card-gap);
      transition: transform 0.6s cubic-bezier(.4, 0, .2, 1);
      will-change: transform;
      height: 100%;
    }

    @media (max-width: 768px) {
      .highlights-track {
        flex-direction: row;
        gap: var(--card-gap);
        height: 100%;
        width: 100vw;
        align-items: center;
        justify-content: flex-start;
        min-width: 100vw;
        position: relative;
        left: 0;
        top: 0;
      }
    }

    .highlight-box {
      background: #fff;
      color: #222;
      border-radius: 14px;
      box-shadow: 0 6px 32px rgba(0, 0, 0, 0.18);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: var(--card-size);
      height: var(--card-size);
      min-width: var(--card-size);
      min-height: var(--card-size);
      max-width: var(--card-size);
      max-height: var(--card-size);
      aspect-ratio: 1 / 1;
      text-align: center;
      transition: transform 0.3s, box-shadow 0.3s, opacity 0.6s ease, filter 0.6s ease;
      font-size: 0.85rem;
      opacity: 0.2;
      filter: blur(3px);
      background-size: cover;
      background-position: center;
      text-decoration: none;
      position: relative;
      flex-shrink: 0;
    }

    @media (max-width: 768px) {
      .highlight-box {
        min-width: var(--card-size);
        max-width: var(--card-size);
        min-height: var(--card-size);
        max-height: var(--card-size);
        width: var(--card-size);
        height: var(--card-size);
        aspect-ratio: 1 / 1;
        flex-shrink: 0;
        opacity: 0.2;
        filter: blur(3px);
        position: relative;
        left: 0;
        top: 0;
      }
    }

    .highlight-box.visible {
      opacity: .7;
      filter: blur(0px);
    }

    @media (max-width: 768px) {
      .highlight-box.visible {
        opacity: .7;
        filter: none;
        z-index: 2;
      }
    }

    .highlight-box:hover {
      transform: scale(1.04);
      box-shadow: 0 7px 27px rgba(0, 0, 0, 0.15);
    }

    body.dark-mode .highlight-box {
      background-color: #222;
      color: #f6f8fa;
    }

    .highlight-icon {
      position: absolute;
      top: 12px;
      right: 14px;
      font-size: 1.25rem;
      margin-bottom: 0;
      opacity: 1;
      pointer-events: none;
      transition: color 0.3s;
    }

    body.dark-mode .highlight-icon {
      color: #fff;
    }

    .highlight-title {
      font-size: 1.3rem;
      color: #fff;
      text-shadow: 0 2px 7px #000, 0 1px 2px #000;
      font-weight: 400;
      margin-bottom: 0.42rem;
      text-decoration: none;
      letter-spacing: 0.01em;
    }

    .subtitle-cool {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.81rem;
      font-weight: 400;
      margin-bottom: 1.27rem;
      letter-spacing: 0.02em;
      flex-wrap: wrap;
      color: #888;
    }

    .subtitle-cool span {
      transition: color 0.3s, text-shadow 0.3s;
    }

    .subtitle-cool .dot {
      color: #0073b1;
      font-size: 1.3em;
      font-weight: bold;
      text-shadow: 0 2px 8px #e0e7ff, 0 1px 2px #0073b1;
    }

    .subtitle-cool span:not(.dot):hover {
      color: #0073b1;
      text-shadow: 0 2px 8px #e0e7ff, 0 1px 2px #0073b1;
      cursor: default;
    }

    body.dark-mode .subtitle-cool .dot {
      color: #ffe0e7;
      text-shadow: 0 2px 8px #333, 0 1px 2px #ffe0e7;
    }

    body.dark-mode .subtitle-cool span:not(.dot):hover {
      color: #ffe0e7;
      text-shadow: 0 2px 8px #333, 0 1px 2px #ffe0e7;
    }