* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans",
    "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  background: #000000;
  color: #ffffff;
}

.burger-line {
  transform-origin: center;
}

input[type="checkbox"]:checked {
  background-color: #f97316;
  border-color: #f97316;
}

input:focus,
textarea:focus,
button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.5);
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

section {
  position: relative;
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.shadow-custom {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input[type="text"]:invalid,
input[type="email"]:invalid,
textarea:invalid {
  border-color: inherit;
}

input[type="text"]:focus:invalid,
input[type="email"]:focus:invalid,
textarea:focus:invalid {
  border-color: #facc15;
}

.card-flip {
  perspective: 1000px;
  cursor: pointer;
  height: 550px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.card-flip.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.card-back {
  transform: rotateY(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.accordion-content:not(.hidden) {
  max-height: 1000px;
  transition: max-height 0.6s ease-in;
}

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

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #f97316;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #ea580c;
}