/* =========================================================
   Instagram Strip

   Home page social band: oversized wordmark on the left,
   a rule that runs to the edge, and a row of 5 equal
   square post tiles.

   Markup: Pages/Index.cshtml  (.ig-strip)
   Data:   Models/RommInstagram.cs
========================================================= */

.ig-strip {
  padding-block: var(--section-padding-md);
  background: var(--color-surface-soft);
}

.ig-strip-inner {
  width: min(var(--container-xl), calc(100% - 3rem));
  margin-inline: auto;
}

/* ---------- Header: wordmark + rule ---------- */

.ig-strip-head {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 4vw, 3rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.ig-strip-wordmark {
  flex: 0 0 auto;
  line-height: 1;
  /* Wordmark is written uppercase in the source, so no
     text-transform — Türkçe "İ" sorunu çıkmaz. */
}

.ig-strip-brand {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: var(--weight-bold);
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

.ig-strip-label {
  display: block;
  margin-top: 0.15em;
  padding-left: 1.6em;
  font-family: var(--font-tagline);
  font-size: clamp(1.05rem, 2.4vw, 1.6rem);
  font-weight: var(--weight-regular);
  color: var(--color-secondary);
}

/* The hairline that runs from the wordmark to the right edge. */
.ig-strip-rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--color-border-strong);
}

.ig-strip-follow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.ig-strip-follow:hover,
.ig-strip-follow:focus-visible {
  color: var(--color-accent-dark);
}

.ig-strip-follow svg {
  width: 1.15em;
  height: 1.15em;
  fill: currentColor;
}

/* ---------- Tiles ---------- */

.ig-strip-grid {
  display: grid;
  /* Five equal squares — same width, same height, one clean row. */
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(0.5rem, 1.2vw, 1rem);
}

.ig-tile {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--color-primary-light);
  border-radius: var(--radius-xs);
  text-decoration: none;
}

.ig-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.ig-tile::after {
  /* Teal wash + centred glyph, revealed on hover. */
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(6, 81, 93, 0.42);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.ig-tile-glyph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.ig-tile-glyph svg {
  width: clamp(1.5rem, 2.5vw, 2.25rem);
  height: clamp(1.5rem, 2.5vw, 2.25rem);
  fill: #fff;
}

.ig-tile:hover img,
.ig-tile:focus-visible img {
  transform: scale(1.06);
}

.ig-tile:hover::after,
.ig-tile:focus-visible::after {
  opacity: 1;
}

.ig-tile:hover .ig-tile-glyph,
.ig-tile:focus-visible .ig-tile-glyph {
  opacity: 1;
  transform: scale(1);
}

.ig-tile:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .ig-strip-grid {
    /* Drop the wide-first rhythm; an even 3-up row reads better.
       Tiles 4-5 are dropped so the row stays full — no orphan. */
    grid-template-columns: repeat(3, 1fr);
  }

  .ig-tile:nth-child(n + 4) {
    display: none;
  }
}

@media (max-width: 560px) {
  .ig-strip-head {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .ig-strip-rule {
    order: 3;
    flex-basis: 100%;
  }

  /* 2x2: bring tile 4 back, keep tile 5 hidden. */
  .ig-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ig-tile:nth-child(4) {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ig-tile img,
  .ig-tile-glyph {
    transition: none;
  }

  .ig-tile:hover img,
  .ig-tile:focus-visible img {
    transform: none;
  }
}