:root {
  /* === Spacing === */
  --spacing-zero: 0px;
  --spacing-2xs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-4x: 64px;
  --spacing-6x: 96px;

  /* === Banner Size === */
  --banner-big: 600px;
  --banner-medium: 400px;
  --banner-small: 300px;

  /* === Colors === */

  /* Blue scale */
  --blue-50: #f9f9fb;
  --blue-100: #e6f0fa;
  --blue-200: #cde2f7;
  --blue-300: #a8ccf1;
  --blue-400: #82b5eb;
  --blue-500: #5c9fe5;
  --blue-600: #4287d1;
  --blue-700: #2f6fb3;
  --blue-800: #225c95;
  --blue-900: #1a4773;

  /* Accent scale */
  --accent-100: #b2d7ff;
  --accent-200: #74b6ff;
  --accent-400: #359cff;
  --accent-700: #0088ff;

  /* Purple scale */
  --purple-50: #f3e5f5;
  --purple-100: #e1bee7;
  --purple-200: #ce93d8;
  --purple-300: #ba68c8;
  --purple-400: #ab47bc;
  --purple-500: #9c27b0;
  --purple-600: #8e24aa;
  --purple-700: #7b1fa2;
  --purple-800: #6a1b9a;
  --purple-900: #4a148c;
  --purple-a100: #ea80fc;
  --purple-a200: #e040fb;
  --purple-a400: #d500f9;
  --purple-a700: #aa00ff;

  --color-light-grey: #f3f4f6;
  --color-dark-purple: #6750a4;
  --color-light-purple: #c084fc;
  --color-light-purple: #c084fc;
  --color-dark-blue: #242734;

  /* Gray scale */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #eeeeee;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  /* Black scale */
  /* --black-stylish: #1e1e1e; */

  /* === Breakpoints === */
  --breakpoint-mobile: 768px;
  --breakpoint-tablet: 1024px;
  --breakpoint-desktop: 1920px;

  /* === Font-families === */
  --font-body: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-heading: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--blue-50);
}

.header {
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: var(--spacing-lg);
}

.subtitle {
  color: var(--gray-700);
  font-size: 20px;
}

.badge {
  background-color: var(--blue-600);
  max-width: var(--spacing-3xl);
  max-height: var(--spacing-3xl);
  border-radius: var(--spacing-2xs);
}

.btn {
  padding: 0.75rem 1.5rem;
  background-color: #0099cc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #0077aa;
}

/* === Banner === */

.banner {
  height: var(--banner-big);
  position: relative;
  overflow: hidden;
  background-image: url(/img/banner-image.png);
  background-repeat: no-repeat;
  background-size: cover; /* or contain */
  background-position: center;
}

.banner-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  top: 0;
  left: 0;
  /* mix-blend-mode: exclusion; */
}

.banner-title {
  font-weight: bold;
  color: white;
}
/* .banner-subtitle {
  color: var(--color-light-purple);
  font-weight: bold;
  color: white;
} */

.banner-description {
  color: white;
  max-width: 400px;
}

/* === Card === */

.card {
  border-radius: var(--spacing-2xs);
  background-color: white;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card:hover {
  background-color: var(--blue-50);
  transform: translateY(-4px);
}

.collapsable-card:hover {
  background-color: var(--gray-200);
}

.card-link {
  display: block;
  width: 100%;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.card-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.card-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Top-nav-bar === */

.top-nav-bar {
  position: fixed;
  z-index: 11;
  width: 100%;
  background: var(--color-dark-blue);
  top: 0;
  display: flex;
  align-items: center; /* vertical centering */
  padding: var(--spacing-lg);
}

.top-nav-bar img {
  filter: brightness(0) invert(1); /* turns black to white */
}

.logo-link {
  text-decoration: none;
  color: white;
}

ul,
ol {
  padding-left: 1.5rem; /* Or whatever fits your spacing scale */
  margin: 0; /* Optional: remove browser default margins */
}

.footer {
  height: 100px;
  position: relative;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url(/img/banner-image.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scaleX(-1);
  transform-origin: center;
  z-index: 0;
}

.footer > * {
  position: relative;
  z-index: 1;
}

.btn-primary {
  padding: 12px;
  background-color: var(--blue-600);
  border-radius: var(--spacing-2xs);
  color: white;
  font-size: var(--spacing-md);
  border: none;
  display: inline-block; /* make it size to content */
  width: auto; /* prevent 100% width */
  min-width: unset; /* optional: override resets */
  text-decoration: none;
  max-width: fit-content;
}

.btn-primary:hover {
  background-color: var(--blue-500);
  cursor: pointer;
}

.text-light {
  color: white;
}

.footer-links a {
  color: white;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.view-gallery-note {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 0.9rem;
  padding: 4px 8px;
  border-radius: 4px;
  display: none;
}

.image-styling {
  border-radius: var(--spacing-sm);
}

.fancybox-image {
  padding: 0px !important;
}

.card-link {
  flex: 1 1 calc(50% - var(--spacing-md)); /* twee per rij */
  box-sizing: border-box;
  display: block;
}

/* === Banner === */

.banner {
  height: var(--banner-big);
}

.banner-image {
  height: var(--banner-big);
}

.banner-content {
  padding-right: var(--spacing-6x);
}

.banner-subtitle {
  font-size: var(--spacing-3xl);
}

.banner-description {
  font-size: var(--spacing-lg);
}

.overlay-bottom {
  position: absolute;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  inset-inline: var(--spacing-xl); /* replaces left + right */
  z-index: 10;
}

.project-info {
  background: transparent;
  color: white;
  pointer-events: auto; /* re-enable click */
  justify-items: start; /* makes sure the button doesn't stretch */
}

.collapsable-card {
  background: var(--gray-100);
  border-radius: var(--spacing-2xs);
  cursor: pointer;
}

.summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-inner {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.3s ease;
}

.collapsable-card.open .card-inner {
  opacity: 1;
  max-height: 300px; /* or use JS to set scrollHeight dynamically */
}

/* .card-inner {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

.collapsable-card.open .card-inner {
  opacity: 1;
  transform: translateY(0);
} */

.chevron {
  transition: transform 0.3s ease;
}

.collapsable-card.open .chevron {
  transform: rotate(-180deg);
}

/* Container for FAB */
.fab-container {
  position: fixed;
  bottom: var(--spacing-md); /* or 16px */
  right: var(--spacing-md);
  z-index: 999; /* stays above all other elements */
  pointer-events: none; /* container doesn't catch clicks */
}

/* FAB Button Styling */
.btn-fab {
  pointer-events: auto;
  background-color: var(--blue-600); /* or your actual accent color */
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

/* Optional hover effect */
.btn-fab:hover {
  background-color: var(--blue-500); /* or a lighter shade */
  cursor: pointer;
}

/* Chevron icon inside FAB */
.btn-fab img {
  width: 16px;
  height: 16px;
  filter: invert(1); /* makes black SVG white, if needed */
}

#fab {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#fab.show {
  opacity: 1;
  visibility: visible;
}

.show-mobile {
  display: none;
}

.back-link {
  position: absolute;
  top: var(--spacing-xl);
  left: var(--spacing-xl);
  z-index: 10;
  color: white;
  text-decoration: none;
}

.back-link:hover {
  cursor: pointer;
}

.back-link img {
  filter: invert(1);
}

.carousel-container {
  position: relative;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.carousel-image {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.carousel-image.active {
  opacity: 1;
  z-index: 1;
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 0.5rem;
  z-index: 2;
  cursor: pointer;
}

.carousel-prev {
  left: 1rem;
}
.carousel-next {
  right: 1rem;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.gradient-top,
.gradient-bottom {
  position: absolute;
  left: 0;
  right: 0;
  height: 6rem; /* adjust for how much fade you want */
  z-index: 5;
}

.gradient-top {
  top: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
}

.gradient-bottom {
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

.model-carousel-wrapper {
  position: relative;
  height: 100%;
  overflow: hidden;
}

/* The gradient overlay stays fixed and behind models */
.gradient-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.5),
    transparent 70%
  );
  z-index: 1;
  pointer-events: none;
}

/* Main carousel container with models + arrows */
.model-carousel {
  position: relative;
  z-index: 2; /* Ensures models and arrows stay on top of gradient */
  height: 100%;
  overflow: hidden;
}

/* Each model starts off-screen right */
.model-slide {
  display: none;
}

.model-slide.active {
  display: block;
}

/* Navigation arrows */
.model-carousel .carousel-prev,
.model-carousel .carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: white;
  background: rgba(0, 0, 0, 0.4);
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  z-index: 10;
}

.model-carousel .carousel-prev {
  left: 1rem;
}

.model-carousel .carousel-next {
  right: 1rem;
}

.card-vertical {
  background: #fff;
  border-radius: var(--spacing-2xs);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease;
}

.card-vertical:hover {
  transform: translateY(-4px);
}

.card-vertical img {
  width: var(--spacing-2xl);
  height: var(--spacing-2xl);
}

.icon-svg {
  stroke-width: 2;
  color: var(--blue-600);
}

.button-link {
  display: inline-block;
}

.project-3 .carousel-image {
  object-fit: cover;
}

/* .bg-radial {
  background: radial-gradient(
    circle at center,
    #2a2a2a 0%,
    #111 70%,
    #000 100%
  );
} */

.bg-gradient-trined {
  background: radial-gradient(circle at center, #b71829 0%, #3a0f14 100%);
}

.bg-gradient-heartbeat {
  background: radial-gradient(circle at center, #2a1b3d 0%, #1a1623 100%);
}

.bg-gradient-unreal {
  background: radial-gradient(circle at center, #142d4c 0%, #101a2b 100%);
}

.bg-gradient-modeling {
  background: radial-gradient(circle at center, #14142b 0%, #1a1a26 100%);

  /* background: radial-gradient(circle at center, #1c1c2b 0%, #12121d 100%); */
}

/* .carousel-image {
  background-color: transparent !important;
}
.carousel-container,
#hero-wrapper {
  background-color: transparent !important;
} */

/* Only Safari: apply fallback background to parent of video */
.safari-bg-fallback .carousel-container {
  background: #111111 !important;
}