/* ==========================================================================
   Home page
   ========================================================================== */

/* ==========================================================================
   HERO — wide photograph, overlapping title card, ledger of facts
   ========================================================================== */
.hero__media {
  height: clamp(320px, 42vw, 540px);
  overflow: hidden;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.hero__body {
  display: grid;
  grid-template-columns: minmax(0, 640px) 1fr;
  gap: 40px;
  align-items: end;
}

.hero__card {
  position: relative;
  z-index: 2;
  margin-top: -220px;
  padding: 0 46px 42px;
  background: var(--white);
  box-shadow: 0 30px 60px -35px rgba(2, 40, 45, 0.45);
}

.hero__card .strata {
  margin: 0 -46px 34px;
}

.hero__title {
  font-size: clamp(34px, 1.6rem + 2.2vw, 52px);
  line-height: 1.1;
}

.hero__lead {
  margin: 20px 0 30px;
  font-size: 17px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Ledger of facts beside the card */
.ledger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 0 8px;
  border-top: 1px solid var(--line);
}

.ledger div {
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--line);
}

.ledger div:nth-child(odd) {
  padding-right: 20px;
  border-right: 1px solid var(--line);
}

.ledger div:nth-child(even) {
  padding-left: 24px;
}

.ledger dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.ledger dd {
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--soil);
}

/* ==========================================================================
   QUICK INDEX
   ========================================================================== */
.index {
  padding: 70px 0 0;
}

.index__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.index__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  padding: 28px 54px 28px 0;
  color: var(--ink);
  transition: background-color 0.25s;
}

.index__item + .index__item {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.index__item:hover {
  background: var(--sand);
}

.index__num {
  grid-row: 1 / 3;
  font-family: var(--font-serif);
  font-size: 40px;
  font-style: italic;
  line-height: 1;
  color: var(--clay);
}

.index__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.index__title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
}

.index__arrow {
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -12px;
  font-size: 18px;
  color: var(--soil);
  transition: transform 0.25s;
}

.index__item:hover .index__arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   SOIL EXPERTS
   ========================================================================== */
.experts {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.experts__media {
  position: relative;
  margin: 0 22px 22px 0;
}

.experts__media::before {
  /* offset soil-coloured block behind the photo */
  content: "";
  position: absolute;
  inset: 22px -22px -22px 22px;
  background: var(--soil);
}

.experts__media img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.experts__media figcaption {
  position: absolute;
  left: -1px;
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 78%;
  padding: 14px 18px;
  background: var(--white);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.35;
  color: var(--ink);
}

.experts__copy .h2 {
  margin-bottom: 24px;
}

.experts__lead {
  font-size: 17px;
  color: var(--ink);
}

.experts__lead::first-letter {
  float: left;
  margin: 6px 10px 0 0;
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 600;
  line-height: 0.8;
  color: var(--soil);
}

.experts__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: 30px;
}

.video-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--ink);
}

.video-link__play {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--teal);
  border-radius: 50%;
  color: var(--teal);
  transition: background-color 0.25s, color 0.25s;
}

.video-link:hover .video-link__play {
  background: var(--teal);
  color: var(--white);
}

/* ==========================================================================
   PRODUCT CATALOGUE
   ========================================================================== */
.catalog {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 50px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.catalog li {
  border-bottom: 1px solid #d9d0c3;
}

.catalog__row {
  display: grid;
  grid-template-columns: 34px 58px 1fr 24px;
  align-items: center;
  gap: 18px;
  padding: 20px 6px;
  color: var(--text);
  transition: background-color 0.25s;
}

.catalog__row:hover {
  background: var(--white);
}

.catalog__num {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--soil);
}

.catalog__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  padding: 7px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #e6ddd0;
}

.catalog__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.catalog__text strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

.catalog__text span {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.catalog__arrow {
  color: var(--soil);
  font-size: 18px;
  transition: transform 0.25s;
}

.catalog__row:hover .catalog__arrow {
  transform: translateX(4px);
}

.catalog__row:hover strong {
  color: var(--soil);
}

/* ==========================================================================
   INDUSTRIES
   ========================================================================== */
.industries-section {
  background: #f4f1ec; /* same as the drop artwork's background */
}

/* Tabs: five drop artworks; the selected industry is described below */
.serve__tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.serve__tab {
  position: relative;
  padding: 0 0 22px;
  border: 0;
  background: none;
  color: var(--ink);
  text-align: center;
}

.serve__drop {
  position: relative;
  display: block;
  width: 86%;
  margin: 0 auto;
  transition: transform 0.35s ease;
}

.serve__drop img {
  /* fade only: the artwork's cream background stays identical to the section */
  opacity: 0.4;
  transition: opacity 0.35s;
}

.serve__name {
  /* the name sits inside the round cut-out of the artwork */
  position: absolute;
  left: 50%;
  top: 62.9%;
  width: 62%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--muted);
  transition: color 0.35s;
}

/* pointer under the selected drop, joining it to the box below */
.serve__tab::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 0;
  margin-left: -11px;
  border: 11px solid transparent;
  border-bottom-color: var(--soil);
  border-top: 0;
  opacity: 0;
  transition: opacity 0.25s;
}

.serve__tab:hover .serve__drop img {
  opacity: 0.8;
}

.serve__tab:hover .serve__drop {
  transform: translateY(-4px);
}

.serve__tab[aria-selected="true"] .serve__drop img {
  opacity: 1;
}

.serve__tab[aria-selected="true"] .serve__name {
  color: var(--ink);
}

.serve__tab[aria-selected="true"]::after {
  opacity: 1;
}

.serve__box {
  background: var(--white);
  border: 1px solid #e3dbcf;
  border-top: 0;
}

.serve__panel {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 50px;
  align-items: start;
  padding: 40px 46px 44px;
  animation: serve-in 0.45s ease;
}

.serve__panel[hidden] {
  display: none;
}

@keyframes serve-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.serve__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-serif);
  font-size: 40px;
  font-style: italic;
  line-height: 1;
  color: var(--soil);
}

.serve__num small {
  font-size: 18px;
  color: var(--clay);
}

.serve__meta h3 {
  font-size: 28px;
}

.serve__panel p {
  margin: 0;
  padding-left: 50px;
  border-left: 1px solid var(--line);
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink);
}

/* ==========================================================================
   LIBRARY (Educational / Resources)
   ========================================================================== */
.library {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.shelf {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--white);
  border: 1px solid #e6ddd0;
}

.shelf__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shelf__body {
  padding: 34px 32px 30px;
}

.shelf__body h2 {
  margin-bottom: 16px;
  font-size: 30px;
}

.shelf__links li {
  border-top: 1px solid var(--line);
}

.shelf__links a {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink);
}

.shelf__links a::after {
  content: "\2192";
  color: var(--soil);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s, transform 0.2s;
}

.shelf__links a:hover {
  color: var(--soil);
}

.shelf__links a:hover::after {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact {
  background: var(--deep-2);
  color: var(--white);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px 60px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.contact__title {
  font-size: clamp(30px, 1.6rem + 1.6vw, 44px);
  color: var(--white);
}

.contact__title .accent {
  color: #e9b98f;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact__addr {
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-style: italic;
  color: #b9d3d6;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1100px) {

  .shelf {
    grid-template-columns: 1fr;
  }

  .shelf__img img {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 991px) {
  .hero__body {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero__card {
    margin-top: -120px;
  }

  .index__grid {
    grid-template-columns: 1fr;
  }

  .index__item + .index__item {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .experts {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .experts__media {
    max-width: 520px;
  }

  .catalog {
    grid-template-columns: 1fr;
  }

  .contact__inner {
    grid-template-columns: 1fr;
  }

  .serve__panel {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 30px 28px 32px;
  }

  .serve__panel p {
    padding-left: 0;
    border-left: 0;
    font-size: 16px;
  }

  .serve__name {
    font-size: 13px;
  }
}

@media (max-width: 600px) {
  .hero__card {
    margin: -60px -8px 0;
    padding: 0 22px 28px;
  }

  .hero__card .strata {
    margin: 0 -22px 26px;
  }

  .hero__actions .btn {
    flex: 1 1 100%;
    justify-content: space-between;
  }

  .ledger dd {
    font-size: 24px;
  }

  .catalog__row {
    grid-template-columns: 46px 1fr 18px;
    gap: 14px;
  }

  .catalog__num {
    display: none;
  }

  .catalog__icon {
    width: 46px;
    height: 46px;
  }


  .library {
    grid-template-columns: 1fr;
  }

  /* drops become a swipeable row */
  .serve__tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin: 0 calc(var(--gutter) * -1);
    padding: 0 var(--gutter);
    scrollbar-width: none;
  }

  .serve__tab {
    flex: 0 0 132px;
    scroll-snap-align: center;
  }

  .serve__name {
    font-size: 12px;
  }

  .shelf__body {
    padding: 26px 22px;
  }
}