@import url("https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Exo+2:ital,wght@0,100..900;1,100..900&family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-blue: #00a2ff;
  --secondary-blue: #003f88;
  --background-black: #000000;
  --primary-text: #ffffff;
  --secondary-text: #66717e;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --accent: #00a2ff;
  --accent-soft: rgba(0, 162, 255, 0.12);
  --accent-glow: rgba(0, 162, 255, 0.45);
  --panel-border: rgba(0, 162, 255, 0.35);
}

body {
  font-family: "Noto Sans", sans-serif;
  background-color: var(--background-black);
  color: var(--primary-text);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

h1,
h2,
h3 {
  font-family: "Exo 2", sans-serif;
  font-weight: 600;
}

body,
p,
li {
  font-family: "Noto Sans", sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
}

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

.star {
  position: fixed;
  width: 2px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
  animation: starBlink 3s ease-in-out infinite;
}

@keyframes starBlink {
  0%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(0, 161, 255, 0.4);
  transform: translateY(-3px);
}

.scroll-to-top svg {
  width: 20px;
  height: 20px;
  stroke: var(--primary-blue);
}