/* ============================================================
   ALIFY — portfolio-single.css · case study template
   ============================================================ */

.cs-hero { padding-top: calc(var(--header-h) + clamp(2.5rem, 7vw, 5rem)); }
.cs-hero__grid { display: grid; gap: 3rem; align-items: end; }
@media (min-width: 1024px) {
  .cs-hero__grid { grid-template-columns: repeat(12, 1fr); }
  .cs-hero__main { grid-column: 1 / 8; }
  .cs-hero__media { grid-column: 9 / 13; max-width: 360px; justify-self: end; }
}
.cs-hero__title { margin-block: 1.5rem; }

/* meta strip */
.cs-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  border-block: 1px solid var(--line);
  padding-block: 2rem;
}
@media (min-width: 900px) { .cs-meta { grid-template-columns: repeat(4, 1fr); } }

/* content blocks */
.cs-block { border-top: 1px solid var(--line); padding-block: clamp(2.5rem, 6vw, 4rem); }
.cs-block__grid { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) {
  .cs-block__grid { grid-template-columns: repeat(12, 1fr); }
  .cs-block__label { grid-column: 1 / 4; }
  .cs-block__body { grid-column: 5 / 12; }
}
.cs-block__label { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
.cs-block__label .eyebrow { margin-bottom: .9rem; }
.cs-block__num { font-family: var(--ff-display); font-size: 3rem; font-weight: 600; color: transparent; -webkit-text-stroke: 1px rgba(236,236,228,.35); display: block; }
.cs-block__body .prose { max-width: none; }

/* results metric cards */
.cs-metrics { display: grid; gap: 1.5rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .cs-metrics { grid-template-columns: repeat(4, 1fr); } }
.cs-metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.6rem;
  aspect-ratio: 1;
  display: flex; flex-direction: column;
}
.cs-metric:nth-child(4n+2) { background: linear-gradient(160deg, rgba(11,115,95,.28), #14201C 65%); border-color: rgba(65,169,143,.3); }
.cs-metric:nth-child(4n+3) { background: linear-gradient(160deg, rgba(56,65,102,.42), #181B2B 65%); }
.cs-metric:nth-child(4n+4) { background: linear-gradient(160deg, rgba(227,219,169,.14), #1D1C13 65%); border-color: rgba(227,219,169,.22); }
.cs-metric__num { font-family: var(--ff-display); font-size: clamp(2rem, 3.4vw, 2.9rem); font-weight: 600; color: var(--green); line-height: 1; margin-top: auto; }
.cs-metric:nth-child(4n+2) .cs-metric__num { color: var(--off); }
.cs-metric:nth-child(4n+3) .cs-metric__num { color: var(--sand); }
.cs-metric:nth-child(4n+4) .cs-metric__num { color: var(--teal-2); }
.cs-metric__label { font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: .65rem; }
.cs-metric .idx { font-size: .65rem; }

/* gallery */
.cs-gallery { display: grid; gap: 1.75rem; max-width: 1000px; margin-inline: auto; }
@media (min-width: 768px) { .cs-gallery { grid-template-columns: 1fr 1fr; } }
.cs-gallery .media-frame:nth-child(even) { transform: translateY(0); }
@media (min-width: 768px) { .cs-gallery .media-frame:nth-child(even) { transform: translateY(3rem); } }

/* next project band */
.next-proj {
  display: block;
  text-decoration: none;
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 7vw, 5.5rem);
}
.next-proj__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.next-proj__label { font-family: var(--ff-mono); font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--sage-2); display: block; margin-bottom: 1rem; }
.next-proj__title { font-family: var(--ff-display); font-weight: 600; font-size: clamp(2rem, 5vw, 3.75rem); color: var(--off); transition: color .35s; letter-spacing: -.02em; }
.next-proj:hover .next-proj__title { color: var(--green); }
.next-proj__arrow { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--muted); transition: color .35s, transform .35s; }
.next-proj:hover .next-proj__arrow { color: var(--green); transform: translateX(10px) rotate(-45deg); }

/* lightbox-ready gallery figures */
.cs-figure { margin: 0; }
.cs-figure__btn {
  display: block; width: 100%; padding: 0; border: 0; background: none;
  cursor: zoom-in; position: relative; text-align: inherit;
}
.cs-figure__btn:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; border-radius: 8px; }
.cs-figure__btn img { transition: transform .6s cubic-bezier(.22,1,.36,1), filter .4s; }
.cs-figure__zoom {
  position: absolute; right: .9rem; bottom: .9rem; z-index: 2;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(13,13,13,.66); color: #fff; font-size: 1.05rem;
  border: 1px solid rgba(247,247,245,.22);
  backdrop-filter: blur(4px);
  opacity: 0; transform: scale(.8);
  transition: opacity .3s, transform .3s, background .3s, color .3s;
}
.cs-figure__btn:hover img { transform: scale(1.04); }
.cs-figure__btn:hover .cs-figure__zoom,
.cs-figure__btn:focus-visible .cs-figure__zoom { opacity: 1; transform: scale(1); }
.cs-figure__zoom:hover { background: var(--green); color: #0D0D0D; border-color: var(--green); }
@media (hover: none) { .cs-figure__zoom { opacity: 1; transform: scale(1); } }