html {
  margin: 0;
  overflow-x: clip;
  max-width: 100vw;
  background-color: #0a1214;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  overflow-x: clip;
  max-width: 100vw;
  background-color: #0a1214;
}

* {
  max-width: 100vw;
  box-sizing: border-box;
}

body {
  padding-top: 80px;
  line-height: normal;
  font-family: "Urbanist", sans-serif;
  line-height: 150%;
  color: #ffffff;
  background-color: #0a1214;
}

/* glassmorphic card with blur backdrop, gradient overlay, and shadows */
.glass-card {
  background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.06),
      rgba(255, 255, 255, 0.015)
    ),
    rgba(12, 12, 12, 0.5);

  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);

  border: 1px solid rgba(255, 255, 255, 0.12);

  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.1),
    inset 0 -1px 2px rgba(0, 0, 0, 0.5), 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* select dropdown with custom chevron icon */
.select-chevron {
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 20px center;
  background-size: 24px;
}

.select-chevron option {
  background-color: #111;
  color: #fff;
}

/* gradient button with hover lift */
.btn-gradient {
  background: linear-gradient(
    135deg,
    rgba(48, 207, 194, 0.4),
    rgba(82, 162, 255, 0.4)
  );
}

.btn-gradient:hover {
  transform: translateY(-1px);
  background: linear-gradient(
    135deg,
    rgba(48, 207, 194, 0.5),
    rgba(82, 162, 255, 0.5)
  );
}

/* dark semi-transparent button */
.btn-dark {
  background: rgba(12, 12, 12, 0.6);
}

.btn-dark:hover {
  background: rgba(20, 20, 20, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* accordion with expand/collapse animation */
.accordion {
  overflow: hidden;
}

.accordion .answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
  padding-top: 0;
}

.accordion.open .answer {
  max-height: 500px;
  opacity: 1;
  padding-top: 15.4px;
}

.accordion .arrow-icon {
  transition: transform 0.3s ease;
}

.accordion.open .arrow-icon {
  transform: rotate(180deg);
}

/* gradient border using mask trick */
.border-gradient::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: 100px;

  background: linear-gradient(90deg, #60a5fa 0%, #2dd4bf 100%);

  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;

  pointer-events: none;
}

/* gradient text with shadow */
.text-gradient {
  background: linear-gradient(91.77deg, #2dd4bf, #52a2ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}