/* Rented case study — from Paper "Rented Case Study" artboard */

:root {
  --cs-ink: #2b2b2b;
  --cs-muted: #767676;
  --cs-frame: #ebe9e9;
  --cs-bg: #ffffff;
  --cs-surface: #ffffff;
  --cs-surface-hover: #fafafa;
  --cs-surface-active: #f5f5f5;
  --cs-column: 722px;
  --cs-gap-sm: 10px;
  --cs-gap-md: 40px;
}

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

html {
  scroll-behavior: smooth;
}

body.paper-cs-route {
  margin: 0;
  padding: 0;
  background: var(--cs-bg);
  color: var(--cs-ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

body.paper-cs-route #nav-container {
  display: none;
}

.paper-cs {
  width: min(var(--cs-column), calc(100% - 48px));
  margin: 0 auto;
  padding: 70px 0 120px;
}

@property --metal-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

@keyframes paper-cs-metal-spin {
  to {
    --metal-angle: 360deg;
  }
}

.paper-cs__back {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px 7px 10px;
  border-radius: 100px;
  border: 1px solid rgba(43, 43, 43, 0.18);
  background: var(--cs-surface);
  color: var(--cs-ink);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  isolation: isolate;
  transition:
    color 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease;
}

.paper-cs__back::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: conic-gradient(
    from var(--metal-angle),
    #8f8f8f 0deg,
    #f4f4f4 45deg,
    #6a6a6a 90deg,
    #dedede 140deg,
    #9b9b9b 180deg,
    #ffffff 225deg,
    #737373 280deg,
    #ececec 320deg,
    #8f8f8f 360deg
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 220ms ease;
  z-index: 0;
}

.paper-cs__back svg {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  transition: transform 220ms ease;
}

.paper-cs__header {
  margin-top: 40px;
}

.paper-cs__header h1 {
  margin: 0;
  color: var(--cs-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.paper-cs__meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 10px;
  row-gap: 10px;
  margin-top: 10px;
}

.paper-cs__meta > div {
  display: contents;
}

.paper-cs__meta dt {
  color: var(--cs-muted);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.4;
}

.paper-cs__meta dd {
  margin: 0;
  color: var(--cs-ink);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
}

.paper-cs__lede {
  margin: var(--cs-gap-md) 0 0;
  color: var(--cs-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.paper-cs__section {
  margin-top: var(--cs-gap-md);
}

.paper-cs__section h2 {
  margin: 0;
  color: var(--cs-ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.paper-cs__body {
  margin-top: var(--cs-gap-sm);
}

.paper-cs__body p {
  margin: 0;
  color: var(--cs-ink);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
}

.paper-cs__hero,
.paper-cs__shot {
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  background: var(--cs-frame);
  line-height: 0;
}

.paper-cs__hero {
  margin-top: var(--cs-gap-md);
}

.paper-cs__hero img,
.paper-cs__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.paper-cs__hero img {
  aspect-ratio: 722 / 488;
}

.paper-cs__shot--wide {
  margin-top: var(--cs-gap-md);
}

.paper-cs__shot--wide img {
  aspect-ratio: 722 / 599;
}

.paper-cs__pair {
  display: flex;
  gap: 18px;
  margin-top: var(--cs-gap-sm);
}

.paper-cs__pair .paper-cs__shot {
  flex: 1 1 0;
  min-width: 0;
}

.paper-cs__pair img {
  aspect-ratio: 352 / 383;
}

.paper-cs a:focus-visible {
  outline: 2px solid #2f5bea;
  outline-offset: 3px;
}

@media (hover: hover) {
  .paper-cs__back:hover {
    border-color: transparent;
    background: var(--cs-surface-hover);
  }

  .paper-cs__back:hover::before {
    opacity: 1;
    animation: paper-cs-metal-spin 2.2s linear infinite;
  }

  .paper-cs__back:hover svg {
    transform: translateX(-2px);
  }
}

@media (max-width: 768px) {
  .paper-cs {
    width: min(100% - 40px, var(--cs-column));
    padding: 40px 0 88px;
  }

  .paper-cs__header {
    margin-top: 32px;
  }

  .paper-cs__pair {
    flex-direction: column;
    gap: 10px;
  }

  /* flex: 1 1 0 + overflow:hidden collapses height in a column flex */
  .paper-cs__pair .paper-cs__shot {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .paper-cs {
    width: calc(100% - 32px);
  }

  .paper-cs__meta {
    grid-template-columns: 1fr;
    row-gap: 2px;
  }

  .paper-cs__meta > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 8px;
  }

  .paper-cs__meta > div:first-child {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .paper-cs__back,
  .paper-cs__back svg,
  .paper-cs__back::before {
    transition: none;
    animation: none;
  }
}