/*
 * About horizontal scroll — Slice 6 / WOW 8.
 * Desktop: 4 panels translate horizontally as the section is pinned.
 * Mobile: panels stack vertically, scroll normally.
 */

.about-horizontal {
  background: var(--color-charcoal);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.about-horizontal__progress {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 10;
}
.about-horizontal__progress-bar {
  height: 100%;
  width: 0;
  background: var(--color-red);
  transform-origin: left center;
}

.about-horizontal__sticky {
  padding-block: var(--space-section);
}

.about-horizontal__intro {
  max-width: 720px;
  margin: 0 auto var(--space-7);
  text-align: center;
  padding-inline: var(--gutter);
}
.about-horizontal__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-red-on-dark);
  margin-bottom: var(--space-3);
}
.about-horizontal__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  margin: 0;
}

/* Track: mobile = vertical stack with gap */
.about-horizontal__track {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  padding-inline: var(--gutter);
}

/* Panel */
.about-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (min-width: 768px) {
  .about-panel { grid-template-columns: 1fr 1fr; gap: var(--space-7); }
}

.about-panel__media {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: rgba(255, 255, 255, 0.04);
}
.about-panel__media img { width: 100%; height: 100%; object-fit: cover; }

.about-panel__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: var(--tracking-tight);
  color: var(--color-red-on-dark);
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.about-panel__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  margin: 0 0 var(--space-3);
  line-height: 1.1;
}

.about-panel__desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
  max-width: 56ch;
}

/* ─── Desktop: pinned horizontal scroll ─── */
@media (min-width: 1024px) {
  /* Exactly 100vh so the pinned (fixed) size matches normal flow — no jump on pin. */
  .about-horizontal {
    height: 100vh;
    overflow: hidden; /* clip off-screen panels */
  }

  /* Sticky wrapper fills the height and centers content vertically. */
  .about-horizontal__sticky {
    height: 100%;
    padding-block: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .about-horizontal__intro {
    margin-bottom: 0; /* flex gap replaces it */
  }

  .about-horizontal__track {
    flex-direction: row;
    gap: 0;
    width: max-content;
    padding-inline: 0;
  }

  .about-panel {
    flex: 0 0 100vw;
    min-height: 0; /* parent flex column handles alignment */
    padding-inline: clamp(2rem, 6vw, 5rem);
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: clamp(2rem, 4vw, 4rem);
  }

  .about-panel__media {
    aspect-ratio: 4 / 3;
    max-height: 52vh;
  }
}

/* Short viewports (≤ 820px tall): reclaim height from the intro, not the image. */
@media (min-width: 1024px) and (max-height: 820px) {
  /* Intro laid out horizontally to save vertical space. */
  .about-horizontal__intro {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    text-align: left;
    max-width: none;
    padding-inline: clamp(2rem, 6vw, 5rem);
  }
  .about-horizontal__eyebrow {
    white-space: nowrap;
    margin-bottom: 0;
    font-size: 0.65rem;
    flex-shrink: 0;
  }
  .about-horizontal__title {
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    line-height: 1.05;
    margin: 0;
  }

  /* Tighter gap between intro and track. */
  .about-horizontal__sticky {
    gap: clamp(0.75rem, 1.5vh, 1.25rem);
  }

  /* Image keeps its presence; only capped on very short screens. */
  .about-panel__media {
    max-height: 48vh;
  }

  .about-panel__num {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--space-2);
  }
  .about-panel__title {
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    margin-bottom: var(--space-2);
  }
  .about-panel__desc {
    font-size: clamp(0.875rem, 1vw, 1rem);
  }
}

/* Very short viewports ≤ 680px (e.g. 1366×768 with the Windows taskbar). */
@media (min-width: 1024px) and (max-height: 680px) {
  .about-horizontal__title {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
  }
  .about-panel__media {
    max-height: 40vh;
  }
  .about-horizontal__sticky {
    gap: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-horizontal__track {
    flex-direction: column !important;
    width: 100% !important;
    gap: var(--space-7) !important;
    padding-inline: var(--gutter) !important;
  }
  .about-panel { flex: none !important; min-height: 0 !important; padding-inline: 0 !important; }
}