/* =============================================================
   ARADEL CASE STUDIES
   File: aradel-case-studies/assets/aradel-case-studies.css
   ============================================================= */

:root {
  --cs-accent:        var(--ads-brand-blue, #01303A);
  --cs-green:         #005A4E;
  --cs-impact-border: #005A4E;
  --cs-soft:          #F0F0F0;
  --cs-tab-h:         56px;
  --cs-radius:        20px;
  --cs-ease:          cubic-bezier(.2,.9,.2,1);
  --cs-fade-dur:      360ms;
}

/* ── Outer wrapper ───────────────────────────────────────────── */
.ar-case-studies {
  font-family: var(--ads-font, 'Nunito Sans', sans-serif);
  padding-left:   112px;
  padding-right:  112px;
  padding-bottom: 96px;
  max-width: 1440px;
  margin-inline: auto;
  box-sizing: border-box;
}

/* ── Tab bar ─────────────────────────────────────────────────── */
.ar-case-studies__tabs.ar-segmented {
  display: flex;
  align-items: center;
  background: #F0F3F4;
  border: 1px solid rgba(1, 48, 58, 0.06);
  border-radius: 20px;
  padding: 4px;
  gap: 0;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 64px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.ar-case-studies__tabs.ar-segmented::-webkit-scrollbar { display: none; }

.ar-case-studies__tab.ar-segmented__tab {
  flex: 1;
  height: var(--cs-tab-h);
  min-height: var(--cs-tab-h);
  padding: 0 20px;
  border: none;
  background: transparent;
  border-radius: 16px;
  cursor: pointer;
  font-family: var(--ads-font, 'Nunito Sans', sans-serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition:
    background 200ms var(--cs-ease),
    color      200ms var(--cs-ease),
    box-shadow 200ms var(--cs-ease);
  white-space: nowrap;
  position: relative;
  z-index: 0;
}

.ar-case-studies__tab.ar-segmented__tab:focus { outline: none; }
.ar-case-studies__tab.ar-segmented__tab:focus-visible {
  outline: 2px solid var(--cs-accent);
  outline-offset: 2px;
}

.ar-case-studies__tab.ar-segmented__tab[aria-selected="true"] {
  background: var(--cs-accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(1, 48, 58, 0.16);
  z-index: 1;
}

.ar-case-studies__tab.ar-segmented__tab:hover:not([aria-selected="true"]) {
  background: rgba(1, 48, 58, 0.08);
}

/* ── Panels container ────────────────────────────────────────── */
/*
  Fade pattern: all panels stack in the same space.
  Hidden panels use visibility:hidden + pointer-events:none so they
  are inert but still participate in layout (no position:absolute
  which caused Swiper and width measurement failures).
  Height is managed by the active panel only via max-height + overflow.
*/
.ar-case-studies__panels {
  position: relative;
  width: 100%;
}

.ar-case-studies__panel {
  width: 100%;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  /* Collapse hidden panels to zero height without absolute positioning */
  max-height: 0;
  overflow: hidden;
  transition:
    opacity    var(--cs-fade-dur) ease-in,
    visibility 0ms linear var(--cs-fade-dur),
    max-height 0ms linear var(--cs-fade-dur);
  pointer-events: none;
}

.ar-case-studies__panel.is-active {
  opacity: 1;
  visibility: visible;
  max-height: none;
  overflow: visible;
  transition:
    opacity    var(--cs-fade-dur) ease-in,
    visibility 0ms linear 0ms,
    max-height 0ms linear 0ms;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .ar-case-studies__panel,
  .ar-case-studies__panel.is-active {
    transition: none;
  }
}

/* ── Overview Panel ──────────────────────────────────────────── */
.ar-case-studies__overview-heading,
.ar-case-studies__main-heading,
.ar-case-studies__impacts-heading,
.ar-case-studies__story-heading {
  font-size: 32px;
  line-height: 48px;
}

.ar-case-studies__overview-heading {
  margin: 0 0 32px 0;
  font-weight: 400;
  color: #000;
  max-width: none;
}

.ar-case-studies__overview-content {
  font-size: 18px;
  font-weight: 400;
  line-height: 27px;
  color: #000;
  width: 100%;
}

.ar-case-studies__overview-content p { margin: 0 0 16px 0; }
.ar-case-studies__overview-content p:last-child { margin-bottom: 0; }

/* ── Case Study: Top Section ─────────────────────────────────── */
.ar-case-studies__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  align-items: start;
  gap: 64px;
  margin-bottom: 72px;
  padding: 56px 64px;
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 90, 78, 0.72) 0%, rgba(0, 90, 78, 0) 42%),
    linear-gradient(135deg, #01303A 0%, #005A4E 100%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--cs-radius);
  box-sizing: border-box;
}

.ar-case-studies__top-left {
  min-width: 0;
}

.ar-case-studies__top-left:only-child {
  grid-column: 1 / -1;
}

.ar-case-studies__top-right {
  text-align: left;
  width: 100%;
}

/* Meta Title */
.ar-case-studies__meta-title {
  margin: 0 0 18px 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 1.28px;
  text-transform: uppercase;
}

.ar-case-studies__main-heading {
  margin: 0;
  color: #fff;
  font-weight: 400;
  letter-spacing: 0.014px;
  max-width: 760px;
}

/* Beneficiary & Location */
.ar-case-studies__meta-card {
  display: grid;
  gap: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.16);
  overflow: hidden;
}

.ar-case-studies__meta-item {
  padding: 22px 24px;
}

.ar-case-studies__meta-item + .ar-case-studies__meta-item {
  border-top: 1px solid rgba(1, 48, 58, 0.08);
}

.ar-case-studies__meta-label,
.ar-case-studies__meta-value {
  display: block;
}

.ar-case-studies__meta-label {
  margin-bottom: 7px;
  color: rgba(1, 48, 58, 0.66);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ar-case-studies__meta-value,
.ar-case-studies__beneficiary,
.ar-case-studies__location {
  margin: 0;
  color: var(--cs-accent);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.014px;
}

/* ── Impacts Section ─────────────────────────────────────────── */
.ar-case-studies__impacts {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 72px;
}

.ar-case-studies__impacts-heading {
  margin: 0 0 40px 0;
  color: var(--cs-accent);
  font-family: var(--ads-font, 'Nunito Sans', sans-serif);
  font-weight: 400;
  letter-spacing: 0.012px;
}

.ar-case-studies__impacts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
  box-sizing: border-box;
  counter-reset: case-impact;
}

.ar-case-studies__impact-item {
  counter-increment: case-impact;
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(1, 48, 58, 0.08);
  border-radius: var(--cs-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78)),
    rgba(240, 240, 240, 0.36);
  box-shadow: 0 16px 34px rgba(1, 48, 58, 0.045);
  min-height: 150px;
  padding: 24px 24px 24px 30px;
  box-sizing: border-box;
  width: 100%;
  overflow: hidden;
}

.ar-case-studies__impact-item::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 16px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cs-green), rgba(0, 90, 78, 0.3));
}

.ar-case-studies__impact-item::after {
  content: counter(case-impact, decimal-leading-zero);
  display: block;
  order: 0;
  margin-bottom: 24px;
  color: rgba(0, 90, 78, 0.76);
  font-size: 12px;
  font-weight: 800;
  line-height: 18px;
  letter-spacing: 0.08em;
}

.ar-case-studies__impact-title {
  order: 1;
  color: var(--cs-accent);
  font-family: var(--ads-font, 'Nunito Sans', sans-serif);
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  display: block;
}

/* ── Story Section ───────────────────────────────────────────── */
.ar-case-studies__story {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 64px;
}

.ar-case-studies__story-heading {
  margin: 0 0 32px 0;
  color: var(--cs-accent);
  font-family: var(--ads-font, 'Nunito Sans', sans-serif);
  font-weight: 400;
  letter-spacing: 0.012px;
}

.ar-case-studies__story-content {
  color: #000;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  width: 100%;
  max-width: none;
  padding-left: 32px;
  border-left: 3px solid rgba(0, 90, 78, 0.35);
  box-sizing: border-box;
}

.ar-case-studies__story-content p { margin: 0 0 22px 0; }
.ar-case-studies__story-content p:last-child { margin-bottom: 0; }
.ar-case-studies__story-content p:first-child {
  color: rgba(1, 48, 58, 0.92);
  font-size: 20px;
  line-height: 1.6;
}

/* ── Media Section ───────────────────────────────────────────── */
.ar-case-studies__media {
  width: 100%;
  box-sizing: border-box;
  border-radius: var(--cs-radius);
  overflow: hidden;
}

.ar-case-studies__media--single .ar-case-studies__single-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--cs-radius);
  object-fit: cover;
  max-height: 560px;
}

.ar-case-studies__media--carousel .ar-case-studies__swiper {
  width: 100%;
  border-radius: var(--cs-radius);
}

.ar-case-studies__swiper .swiper-slide img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.ar-case-studies__swiper .swiper-button-next,
.ar-case-studies__swiper .swiper-button-prev {
  color: #fff;
  background: rgba(1, 48, 58, 0.5);
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.ar-case-studies__swiper .swiper-button-next::after,
.ar-case-studies__swiper .swiper-button-prev::after {
  font-size: 16px;
}

.ar-case-studies__swiper .swiper-pagination-bullet-active {
  background: var(--cs-accent);
}

/* ── Tablet (≤1024px) ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ar-case-studies {
    padding-left:   64px;
    padding-right:  64px;
    padding-bottom: 72px;
  }

  .ar-case-studies__tabs.ar-segmented {
    margin-bottom: 56px;
  }

  .ar-case-studies__tab.ar-segmented__tab {
    font-size: 13px;
    padding: 0 14px;
  }

  .ar-case-studies__overview-heading,
  .ar-case-studies__main-heading,
  .ar-case-studies__impacts-heading,
  .ar-case-studies__story-heading {
    font-size: 28px;
    line-height: 40px;
  }

  .ar-case-studies__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 44px 40px;
    margin-bottom: 64px;
  }

  .ar-case-studies__top-right {
    max-width: 520px;
  }

  .ar-case-studies__impacts { margin-bottom: 64px; }

  .ar-case-studies__impacts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ar-case-studies__story { margin-bottom: 64px; }
}

/* ── Mobile (≤768px) ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .ar-case-studies {
    padding-left:   24px;
    padding-right:  24px;
    padding-bottom: 48px;
  }

  .ar-case-studies__tabs.ar-segmented {
    margin-bottom: 40px;
    border-radius: 14px;
  }

  .ar-case-studies__tab.ar-segmented__tab {
    font-size: 12px;
    padding: 0 12px;
    height: 48px;
    min-height: 48px;
  }

  .ar-case-studies__overview-heading,
  .ar-case-studies__main-heading,
  .ar-case-studies__impacts-heading,
  .ar-case-studies__story-heading {
    font-size: 24px;
    line-height: 32px;
  }

  .ar-case-studies__overview-heading {
    margin-bottom: 20px;
  }

  .ar-case-studies__overview-content {
    font-size: 16px;
    line-height: 24px;
  }

  .ar-case-studies__top {
    gap: 28px;
    padding: 32px 24px;
    margin-bottom: 40px;
  }

  .ar-case-studies__top-left {
    width: 100%;
  }

  .ar-case-studies__top-right {
    width: 100%;
    text-align: left;
    max-width: none;
  }

  .ar-case-studies__meta-title {
    margin-bottom: 14px;
    font-size: 13px;
    line-height: 1.35;
  }

  .ar-case-studies__meta-item {
    padding: 18px 20px;
  }

  .ar-case-studies__meta-value,
  .ar-case-studies__beneficiary,
  .ar-case-studies__location {
    font-size: 16px;
  }

  .ar-case-studies__impacts { margin-bottom: 32px; }

  .ar-case-studies__impacts-heading,
  .ar-case-studies__story-heading {
    margin-bottom: 20px;
  }

  .ar-case-studies__impacts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ar-case-studies__impact-item {
    min-height: 132px;
    padding: 22px 22px 22px 28px;
  }

  .ar-case-studies__impact-title {
    font-size: 18px;
    line-height: 26px;
  }

  .ar-case-studies__story { margin-bottom: 32px; }

  .ar-case-studies__story-content {
    font-size: 16px;
    line-height: 1.6;
    padding-left: 22px;
  }

  .ar-case-studies__story-content p:first-child {
    font-size: 17px;
    line-height: 1.6;
  }

  .ar-case-studies__swiper .swiper-slide img { height: 260px; }
  .ar-case-studies__media--single .ar-case-studies__single-img { max-height: 300px; }
}

/* ── Small mobile (≤480px) ───────────────────────────────────── */
@media (max-width: 480px) {
  .ar-case-studies__impacts-grid {
    grid-template-columns: 1fr;
  }

  .ar-case-studies__top {
    padding: 28px 20px;
  }

  .ar-case-studies__story-content {
    padding-left: 18px;
  }
}