html, body {
  box-sizing: border-box;
  scroll-behavior: smooth;


  margin: 0;
  padding: 0;
  
  font-family: var(--font--family);
  font-family: var(--font--family-2);
  line-height: 130%;
  font-size: var(--font--size-regular);
  font-weight: 300;
  cursor: none;
}
  
*, *:before, *:after {
  box-sizing: inherit;
}

h1, h2, h3, h4, p, figure {
  margin: 0;

}

a {
  text-decoration: none;
  color: inherit;
  cursor: none;
}
  
img {
  display: block;
  user-select: none;
}

* {
  -webkit-tap-highlight-color: rgb(0 0 0 / 0);
}

.link-text {
  color: var(--foreground-2);
  font-weight: 500;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.link-text:hover {
  color: var(--foreground-1);
}

h1 {
  font-family: var(--font--family);
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-size: var(--font--size-huge);  
  line-height: 110%; 
}

h2 {
  font-family: "Inter", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
  font-size: var(--font--size-large); 
  line-height: 110%;  
}

h3 {
  font-family: var(--font--family);
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
  font-size: var(--font--size-medium); 
  line-height: 110%;  
}

h4 {
  font-family: var(--font--family-2);
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
  font-size: var(--font--size-regular);   
}

.logo--font {
  font-family: var(--font--family);
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-size: 24px;
}

.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background-color: var(--surface-2);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.2s, height 0.2s;
  z-index: 9999;
}

.custom-cursor.hovered {
  transform: translate(-50%, -50%) scale(2);
  background: var(--surface-1);
  /* backdrop-filter: invert(100%); */
}

button {
  display: inline-flex;
  height: fit-content;
  padding: 16px 24px;
  justify-content: center;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  cursor: none;
  
}

strong {
  font-weight: 700;
}

ol, ul {
  margin: 0;
  padding: 0 0 0 24px;
}

ol li {
  line-height: 1.5;
  margin-bottom: 24px;
}

ul li {
  list-style: circle;
  line-height: 1.5;
  margin-bottom: 8px;
}

.principal {
  background: var(--surface-1, #eee);
  border: none;
}

.principal:hover {
  background: var(--surface-2, #e4e4e4);
}

.principal .label {
  color: var(--foreground-1);
  font-family: var(--font--family-2);
  font-size: var(--font--size-regular);
  line-height: normal;
  font-weight: 300;
}

/* slider */

.slider {
  position: relative;
  width: 100%;
  align-self: stretch;
  /* max-width: 600px; */
  overflow: hidden;
  /* border-radius: 32px; */
  height: 80vh;
}

.slider-track {
  display: flex;
  transition: transform 0.4s ease;
  align-self: stretch;
  height: calc(100% - 80px);
}

.slide {
  min-width: 100%;
  box-sizing: border-box;
  padding: 0 20px;
}

.slide img {
  max-width: 100%;
  height: 70%;
  object-fit: cover;
  border-radius: 24px;
  margin-bottom: 16px;
}

.video-box {
  width: 100%;
  height: 70%;
  overflow: hidden;
  min-width: 25vw;
  margin-bottom: 16px;
}

.video-box video {
width: 100%;
height: 100%;
border-radius: 24px;

object-fit: cover;
overflow: hidden;
}

.slide p {
  min-width: 100%;
  height: fit-content;
  
}

.cta--slider {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 0 16px;
}

.slide-controls {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 32px; 

}

button.icon {
  background: var(--bg);
  color: var(--foreground-1);
  border: none;
  border-radius: 50px;
  padding: 20px;
  
  cursor: pointer;
  z-index: 1;
}

button.icon-theme {
  background: var(--surface-nav);
  color: var(--foreground-1);
  border: none;
  border-radius: 50px;
  padding: 20px;
  cursor: pointer;
  z-index: 1;
  backdrop-filter: blur(8px)
}

button.icon-theme path {
  stroke: var(--foreground-1);
  stroke-width: 1.5px;
}

button.icon-theme:hover {
  background: var(--surface-2);
}

button.icon:hover,
button.next:hover {
  background: var(--surface-2);
}

.indicators {
  display: flex;
  align-items: center;
}

.indicators button {
  background: var(--surface-1);
  border: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 0 4px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s;
  padding: 0;
}

.indicators button.active {
  opacity: 1;
  background: var(--surface-2);
}

.icon path {
  stroke: var(--foreground-1);
  stroke-width: 1.5px;
}

button#theme-toggle {
  position: fixed;
  bottom: 100px;
  left: 80px;
  z-index: 10;
}

/* --- hero image --- */

.hero--interactive {
  width: 100%;
  margin-top: 15vh;
  overflow: hidden;
  perspective: 1000px;
  opacity: 1;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.8s ease;
}

.hero--interactive img {
  width: 100%;
  padding: 0 24px;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s ease;
  transform-origin: center;
  will-change: transform;
}

.hero--fade img {
  transition: transform 0.2s ease-out;
  will-change: transform;
  transform-style: preserve-3d;
}

.hero--interactive img.bosch {
  padding: 180px;
}

/* --- radio status --- */

.status-indicator {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 400;
  color: var(--foreground-1);
}

.signal {
  position: relative;
  width: 24px;
  height: 24px;
}

.circle {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid var(--surface-2);
  top: 0;
  left: 0;
}

.pulse {
  animation: pulse 1.6s ease-out infinite;
}

.static {
  background-color: var(--surface-2);
  width: 12px;
  height: 12px;
  top: 6px;
  left: 6px;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}


/* logo strip */

.section.logos {
  height: fit-content;
}

.logo-strip {
  grid-column: 3 / -1;
  display: flex;
  margin: 120px 0 120px 0;
  position: absolute;
  overflow: hidden;
  width: 100%;
  background: var(--bg1);
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  align-items: center;
}

.logo-track {
  display: flex;
  align-items: center;
  gap: 56px;
  animation: scroll-left 20s linear infinite;
}

.logos-item {
  width: fit-content;
  height: auto;
}

.logos-item svg path {
  fill: var(--foreground-2);
}

.logo-track img {
  height: 40px;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.logo-track img:hover {
  opacity: 1;
}

@keyframes scroll-left {
  0% {
      transform: translateX(0);
  }
  100% {
      transform: translateX(-50%);
  }
}