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

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: Arial, sans-serif;
  font-size: 14px;
  border-radius: 0 0 4px 4px;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
  border-radius: 2px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-p-large-family);
  overflow-x: hidden;
  line-height: 1.5;
}

.text-h1 {
  font-family: var(--font-h1-family);
  font-weight: var(--font-h1-weight);
  font-size: var(--font-h1-size);
  line-height: var(--font-h1-line-height);
  letter-spacing: var(--font-h1-letter-spacing);
  text-align: center;
}

.text-h3 {
  font-family: var(--font-h3-family);
  font-weight: var(--font-h3-weight);
  font-size: var(--font-h3-size);
  line-height: var(--font-h3-line-height);
  letter-spacing: var(--font-h3-letter-spacing);
  text-align: center;
}

.text-h4 {
  font-family: var(--font-h4-family);
  font-weight: var(--font-h4-weight);
  font-size: var(--font-h4-size);
  line-height: var(--font-h4-line-height);
  letter-spacing: var(--font-h4-letter-spacing);
  text-align: center;
}

.text-p-large {
  font-family: var(--font-p-large-family);
  font-weight: var(--font-p-large-weight);
  font-size: var(--font-p-large-size);
  line-height: var(--font-p-large-line-height);
  letter-spacing: var(--font-p-large-letter-spacing);
  text-align: center;
}

.text-p-medium {
  font-family: var(--font-p-medium-family);
  font-weight: var(--font-p-medium-weight);
  font-size: var(--font-p-medium-size);
  line-height: var(--font-p-medium-line-height);
  letter-spacing: var(--font-p-medium-letter-spacing);
  text-align: center;
}

.text-p-small {
  font-family: var(--font-p-small-family);
  font-weight: var(--font-p-small-weight);
  font-size: var(--font-p-small-size);
  line-height: var(--font-p-small-line-height);
  letter-spacing: var(--font-p-small-letter-spacing);
  text-align: center;
}

.text-p-tiny {
  font-family: var(--font-p-tiny-family);
  font-weight: var(--font-p-tiny-weight);
  font-size: var(--font-p-tiny-size);
  line-height: var(--font-p-tiny-line-height);
  letter-spacing: var(--font-p-tiny-letter-spacing);
  text-align: center;
}

.orange {
  color: var(--color-orange);
}
.orange-bg {
  background-color: var(--color-orange);
}
.shadow {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.4));
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-p-medium-family);
  font-weight: 700;
  font-size: var(--font-p-small-size);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-white-60);
}

.btn-secondary:hover {
  border-color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
}

.scroll-sentinel {
  pointer-events: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.7s var(--transition-slow) both;
}

.glow-dot {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    var(--color-orange-glow) 0%,
    transparent 70%
  );
  filter: blur(60px);
  pointer-events: none;
  will-change: transform;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 1.5px solid var(--color-white-60);
  border-bottom: 1.5px solid var(--color-white-60);
  transform: rotate(45deg);
}

.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.6;

  & span {
    font-size: var(--font-p-tiny-size);
    line-height: var(--font-p-tiny-line-height);
    color: var(--color-white-60);
    letter-spacing: 1px;
    text-transform: uppercase;
  }
}

@keyframes glow-drift {
  0% {
    opacity: 0.32;
  }
  20% {
    opacity: 0.52;
  }
  45% {
    opacity: 0.4;
  }
  70% {
    opacity: 0.55;
  }
  100% {
    opacity: 0.32;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 0.65;
  }
}

@keyframes scrollBounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

@keyframes flipIn {
  0% {
    transform: rotateX(-90deg);
    opacity: 0;
  }
  100% {
    transform: rotateX(0deg);
    opacity: 1;
  }
}