* {margin: 0; padding: 0; box-sizing: border-box;}
    body {
      font-family: 'Inter', sans-serif;
      color: #222;
      background: #fff;
      overflow-x: hidden;
      position: relative;
    }
    header, section, footer {
      position: relative;
      z-index: 10;
    }
    header {
      height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      box-shadow: 0 3px 8px rgba(0,0,0,0.2);
      background: linear-gradient(bottom, #ffffff, #f7f7f7);
      overflow: hidden;
    }

    header h1 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1rem;
      animation: fadeIn 1.5s ease-in-out;
    }
    header p {
      font-size: 1.2rem;
      color: #555;
      animation: fadeIn 2s ease-in-out;
      line-height: 1.8;
    }
    #adaptiveYou {
      display: block;
      font-size: 2.8rem;
      font-weight: 700;
      margin-top: 1rem;
      text-align: center;
      color: #222;
      min-height: 3.2rem;
      letter-spacing: 1px;
    }
    section {
      padding: 5rem 10%;
      max-width: 1200px;
      margin: auto;
    }
    .two-col {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
      align-items: center;
    }

    .two-col div {
      flex: 1;
      min-width: 300px;
    }
    h2 {font-size: 2rem; margin-bottom: 1rem;}
    p {line-height: 1.6; color: #444;}
    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
    }

    .buffer {
      background: #ffffff00;
      padding: 2rem;
    }

    .dev {
      padding: 2rem 10%;
      box-shadow: 0 3px 8px rgba(0,0,0,0.2);
      position: relative;
      background: linear-gradient(to top, #efeeee 0%, #efeeee00 100%);
      overflow: hidden;
      z-index: 5;
      width: 100vw;
    }

    .dev::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to top, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 1) 100%);
        pointer-events: none;
    }

    .faq {
      padding: 2rem 10%;
      border-radius: 12px;
      box-shadow: 0 3px 8px rgba(0,0,0,0.6);
      position: relative;
      background: #efeeee;
      overflow: hidden;
      z-index: 5;
      width: 100vw;
    }

    .faq h2 {
        align-self: center;
    }

.collapsible {
  width: 100%;
  text-align: left;
  background: white;
  color: black;
  cursor: pointer;
  padding: 1.2rem 1.6rem;
  font-size: 2rem;
  border-right: 3px black;
  outline: none;
  font-family: "Jersey 10", sans-serif;
  font-weight: 500;
  transition: background 0.3s ease, transform 0.2s ease;
}

.collapsible:hover {
  transform: translateY(-2px);
}

.collapsible::after {
  content: "▼";
  float: right;
  transition: transform 0.3s ease;
}

.collapsible.active::after {
  transform: rotate(-180deg);
}

.content {
  background: #f9f9fb;
  max-height: 0;
  overflow: hidden;
  border-radius: 0 0 10px 10px;
  transition: max-height 0.4s ease, padding 0.3s ease;
  text-align: left;
  padding: 0 1.5rem;
  color: #444;
  line-height: 1.6;
}

.collapsible.active + .content {
  padding: 1.2rem 1.5rem;
}

/* Mobile optimization */
@media (max-width: 768px) {
  .faq-section {
    padding: 3rem 1.5rem;
  }

  .faq-section h2 {
    font-size: 2rem;
  }

  .collapsible {
    font-size: 1rem;
    padding: 1rem 1.2rem;
  }

  .content {
    font-size: 0.95rem;
  }
}




    .feature {
      background: #f7f7f7;
      padding: 2rem;
      border-radius: 12px;
      box-shadow: 0 3px 8px rgba(0,0,0,0.2);
      transition: transform 0.3s ease;
    }

    .feature:hover {transform: translateY(-5px);}

    .vision {
      text-align: center;
      font-size: 1.5rem;
      color: #333;
      width: 100%;
      height: 300px; 
      background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 1) 50%,
        rgba(255, 255, 255, 0) 100%
      );
      padding: 6rem 10%;
      font-style: italic;
    }

    .image-container {
      position: relative;
      display: inline-block;
    }

    .image-container img {
      width: 100%;
      border-radius: 12px;
    } 

    .image-container .caption {
      position: absolute;
      bottom: 10px;
      background: transparent;
      color: gray;
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 1rem;
   }

    footer {
      text-align: center;
      padding: 3rem 10%;
      background: #f4f5f7;
      color: #666;
      font-size: 0.9rem;
    }

    .button_a {
      transition: transform 0.3s ease;
    }

    .button_a:hover {transform: translateY(-3px);}

    canvas#trailCanvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 1;
    }

    @keyframes fadeIn {
      from {opacity: 0; transform: translateY(20px);}
      to {opacity: 1; transform: translateY(0);}
    }

    .vrv {
      background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 1) 15%,
        rgba(255, 255, 255, 1) 100%
      );
      width: 100%;
    }

    /* TOP BAR here */

.topbar {
  position:fixed;
  top:0; left:0; right:0;
  height:70px;
  background:rgba(15,15,15,0.88);
  display:flex;
  align-items:center;
  z-index:1000;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.nav-content {
  width:92%;
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand-wrap {
  display:flex;
  align-items:center;
  gap:12px;
}
.logo {
  height:44px;
  width:auto;
  display:block;
  object-fit:contain;
}
.brand {
  font-family: 'Orbitron', sans-serif;
  font-weight:700;
  letter-spacing:2px;
  color:#e6e6e6;
  font-size:1.15rem;
}

.nav-links {
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-links a {
  color:#dcdcdc;
  text-decoration:none;
  margin:0 10px;
  font-weight:600;
  transition:color .18s ease, transform .18s ease;
}
.nav-links a:hover {
  color:#fff;
  transform:translateY(-2px);
}

.site-offset { height:70px; }

/* PERS. CAROUSEL */

.personnel-section {
  padding:4rem 6%;
  width: 100vw;
  margin:2rem auto;
  background:#2b2b2b;
  border-radius:12px;
  box-shadow: 0 6px 30px rgba(0,0,0,0.45);
  color:#ddd;
  text-align:center;
}

.carousel-grid {
  margin-top:1.5rem;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:1.25rem;
  align-items:stretch;
  transition:opacity .5s ease;
  position:relative;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.06));
  border-radius:12px;
  padding:1.25rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  opacity:1;
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  transition: opacity .6s ease, transform .6s ease;
}
.card img {
  width:110px;
  height:110px;
  border-radius:50%;
  object-fit:cover;
  border:3px solid rgba(255,255,255,0.04);
}

.carousel-controls {
  margin-top:1rem;
  display:flex;
  gap:12px;
  justify-content:center;
}
.carousel-controls button {
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,0.06);
  padding:10px 14px;
  border-radius:8px;
  cursor:pointer;
  font-size:1.15rem;
  transition:transform .15s ease;
}
.carousel-controls button:hover { transform:translateY(-3px); }

.carousel-fade-out { opacity:0.18; pointer-events:none; transform:translateY(6px); }

@media (max-width: 768px) {
  .carousel-grid { grid-template-columns:1fr; }
}


    /* submit.page here */

.submit-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, #fafafa 0%, #f3f3f3 100%);
}

.submit-grid form {
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 3rem;
  max-width: 600px;
  width: 100%;
}

.submit-grid label {
  display: block;
  font-family: "Jersey 10", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: #333;
}

.submit-grid h1 {
  display: block;
  align-self: center;
  font-family: "Jersey 10", sans-serif;
  font-weight: 600;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #191919;
}

.submit-grid input,
.submit-grid select,
.submit-grid textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  font-family: "Inter", sans-serif;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}

.submit-grid input:focus,
.submit-grid select:focus,
.submit-grid textarea:focus {
  border-color: #6675ff;
  box-shadow: 0 0 0 3px rgba(102, 117, 255, 0.2);
  outline: none;
}

.submit-grid input[type="submit"] {
  background: #333;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.3s ease;
}

.submit-grid input[type="submit"]:hover {
  transform: translateY(-3px);
}

/* ty.page here */

.ty-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, #fafafa 0%, #f3f3f3 100%);
}

.ty-grid div {
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 3rem;
  max-width: 600px;
  width: 100%;
  text-align: center;
}

.ty-grid div h1 {
    font-family: "Jersey 10", sans-serif;
}
    
/* Trail toggle widget - fixed left-bottom collapsed on desktop, tappable on mobile */
.trail-widget {
  position: fixed;
  left: 12px;
  bottom: 12px;
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Inter, system-ui, sans-serif;
  outline: none;
}

/* small tab shown when collapsed */
.trail-tab {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(224, 224, 224, 0.95);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(18, 55, 123, 0.6);
  cursor: pointer;
  display: grid;
  place-items: center;
  transform: rotate(0deg);
  transition: transform 200ms ease, background 200ms ease;
}

/* the panel that expands (kept hidden by default) */
.trail-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(230,240,255,0.95);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  color: #0b3d91;
  transform-origin: left center;
  transform: scaleX(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms ease, opacity 220ms ease;
}

/* visible state — hover, focus-within, or when open class is present */
.trail-widget:hover .trail-panel,
.trail-widget:focus-within .trail-panel,
.trail-widget.open .trail-panel {
  transform: scaleX(1);
  opacity: 1;
  pointer-events: auto;
}

/* rotate tab caret when open */
.trail-widget.open .trail-tab,
.trail-widget:hover .trail-tab,
.trail-widget:focus-within .trail-tab {
  transform: rotate(90deg);
}

/* small descriptive text */
.trail-text {
  font-size: 0.95rem;
  font-weight: 600;
}

/* Toggle switch */
.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
}
.switch input { display: none; }
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #dbe9ff;
  border-radius: 999px;
  transition: background 180ms ease;
  box-shadow: inset 0 0 0 1px rgba(11,61,145,0.06);
}
.slider::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 4px;
  top: 4px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(11,61,145,0.12);
  transition: transform 180ms ease;
}
.switch input:checked + .slider {
  background: linear-gradient(90deg,#1e5bce,#4b7dff);
}
.switch input:checked + .slider::after {
  transform: translateX(20px);
}