@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');
    :root {
      --bg: #ffffff;
      --surface: #f6f7f9;
      --surface-elevated: #ffffff;
      --border: #aeaeaf;
      --text: #0f1220;
      --muted: #474b52;

      --accent-soft: #eef0ff;
      --accent-red: #871f3e;
      --accent-fuschia: #871f72;
      --accent-violet: #681f87;
      --accent-indigo: #341f87;
      --accent-blue: #1f3e87;
      --accent-teal: #1f7287;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: "Space Grotesk", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a { 
      color: var(--accent-blue); 
      text-decoration: none; 
    }

    /* ---------- NAV ---------- */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--bg);
      backdrop-filter: saturate(180%) blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .nav {
      margin: 0 auto;
      padding: 1rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .name {
      font-weight: 700;
      letter-spacing: -0.01em;
      font-size: 1.05rem;
    }

    .name::after {
      content: "";
      display: block;
      height: 2px;
      width: 9.5 rem;
      margin-top: 0.25rem;
      background: linear-gradient(90deg, var(--accent-blue), transparent);
    }

    .nav ul {
      list-style: none;
      display: flex;
      gap: 2rem;
      margin: 0;
      padding: 0;
    }

    .nav a {
      position: relative;
      color: var(--muted);
      font-size: 0.95rem;
      font-weight: 500;
      letter-spacing: 0.02em;
    }

    .nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, var(--accent-teal), var(--accent-blue), var(--accent-indigo), var(--accent-violet), var(--accent-fuschia), var(--accent-red));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.25s ease;
    }

    .nav a:hover::after {
      transform: scaleX(1);
    }

    .nav a:hover { 
      color: var(--text);
      text-decoration: none;
    }


    /* ---------- HERO ---------- */
    .hero {
      margin: 0 auto;
      padding: 3rem 2rem 2rem;
      position: relative;
    }

    .hero h1 {
      font-size: clamp(2.4rem, 5vw, 3.25rem);
      line-height: 0.85;
      margin: 0 0 0.5rem;
      letter-spacing: -0.02em;
      color: var(--accent-blue);
    }

    .hero img {
      width: 16%;
      float: left; 
      margin-right:1rem;
      position: relative;
      top: 0.75rem;
    }

    .hero p {
      /* display: inline-block;
      vertical-align: top; */
      padding: 0rem 0rem;
      color: var(--muted);
      font-size: 1.05rem;
    }


    /* ---------- SECTIONS ---------- */
    main {
      margin: 0 auto;
      padding: 0 2rem 5rem;
      display: grid;
      gap: 2rem;
    }

    section {
      background: var(--surface-elevated);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 3.25rem;
      position: relative;
      overflow: hidden;
    }

    section header {
      position: static;
      background: none;
      border: none;
      padding: 0;
      margin-bottom: 2rem;
    }

    section h2 {
      margin: 0 0 0.5rem;
      font-size: 1.75rem;
      letter-spacing: -0.015em;
      color: var(--accent-blue);

    }

    section p, ul {
      margin: 0;
      color: var(--muted);
    }

    .link-button{
      display: inline-block;
      padding: 1rem;
      border-radius: 16px;
      text-decoration: none;
      font-weight: 500;
      color: white;

      /* Base background */
      background: var(--accent-blue);

      /* Create oversized gradient for animation */
      background-size: 100% 100%;
      background-position: left center;

      transition: background-position 0.4s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }

    .link-button:hover{
      background: linear-gradient(to right, var(--accent-teal), var(--accent-blue), var(--accent-indigo),var(--accent-violet), var(--accent-fuschia), var(--accent-red));

      background-size: 250% 100%;
      background-position: right center;

      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    }

    .card-grid {
      margin-top: 2.5rem;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1.5rem;
    }

    .card {
      position: relative;
      background: var(--surface);
      padding: 1.75rem;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      z-index: 0;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 30px rgba(0,0,0,0.08);
    }

    .card::before {
      content: "";
      position: absolute;
      inset: 0;
      padding: 2px; /* border thickness */
      border-radius: 16px;
      background: linear-gradient(120deg, transparent, var(--accent-teal), var(--accent-blue), var(--accent-indigo),var(--accent-violet), var(--accent-fuschia), var(--accent-red), transparent);
      background-size: 200% 200%;
      background-position: -100% 50%;

      /* Mask to show only border */
      -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;

      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .card:hover::before {
      opacity: 1;
      animation: borderSweep 0.5s linear 1;
    }

    @keyframes borderSweep {
      0% {
        background-position: -100% 50%;
      }
      100% {
        background-position: 100% 50%;
      }
    }

    .card h3 {
      margin: 0 0 0.35rem;
      font-size: 1.05rem;
      font-weight: 600;
    }

    .card span {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .card img{
      width: 100%;
    }

    .img-grid {
      display: grid;
      grid-template-columns: auto auto auto auto auto auto auto auto auto auto auto;
    }

    .img-grid div{
      padding: 5px;
      padding-top: 0px;
      padding-bottom:0px;
    }

    .img-grid img{
      width: 100%;
      transition: all 0.4s ease;
    }

    .preview-image {
      border: 2px solid var(--accent-blue);
      /* background: conic-gradient(var(--accent-red), var(--accent-fuschia), var(--accent-violet), var(--accent-indigo), var(--accent-blue), var(--accent-teal)); */
      border-radius: 10%;
    }

    .featured-image {
      display: none;
      justify-content: center;
      align-items: center;
      margin-bottom: 2.5rem;
      transition: all 0.4s ease;
    }

    .featured-image.active {
      display: flex;
    }

    .featured-image img {
      max-width: 70%;
      max-height: 70vh;
      border-radius: 18px;
      box-shadow: 0 30px 60px rgba(0,0,0,0.2);
      transition: transform 0.3s ease;
    }

    .img-grid.dimmed img {
      opacity: 0.2;
      transform: scale(0.9);
      transition: all 0.3s ease;
      cursor: pointer;
    }

    .close-btn {
      position: absolute;
      top: 10%;
      right: 33%;
      background: rgba(255,255,255,0.85);
      border: none;
      padding: 0.5rem 0.9rem;
      border-radius: 30px;
      font-size: 0.95rem;
      font-weight: 500;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(0,0,0,0.1);
      transition: all 0.2s ease;
    }

    .close-btn:hover {
      background: white;
      transform: translateY(-2px);
    }


    /* #research { background: linear-gradient(#ffffff, var(--accent-soft)); }
    #making   { background: linear-gradient(#ffffff, var(--accent-soft)); }
    #makeup   { background: linear-gradient(#ffffff, var(--accent-soft)); } */

    /* ---------- FOOTER ---------- */
    footer {
      border-top: 1px solid var(--border);
      background: #fafafa;
    }

    .footer-links {
      margin: 0 auto;
      padding: 1rem 3rem;
      flex-direction: row;
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
    }

    .footer-links a {
      font-size: 1rem;
      color: var(--muted);
    }

    .footer-links a:hover { 
      color: var(--text); 
    }

    @media (max-width: 640px) {
      .nav { padding: 1rem 1.25rem; }
      .hero { padding: 4rem 1.25rem; }
      main { padding: 0 1.25rem 4rem; }
      section { padding: 2.25rem 1.75rem; }
    }