/* ==========================================================================
   vistaflex.css — deep product page for the W&H VISTAFLEX II
   Page-specific layout on top of the shared design tokens / principal.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Reusable fixed-ratio media frame (clean container, eager-loaded images)
   -------------------------------------------------------------------------- */
.vf-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.vf-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.vf-media__cap { font: var(--text-caption); color: var(--color-text-muted); margin-top: 0.6rem; }

/* --------------------------------------------------------------------------
   Hero — text left, image right
   -------------------------------------------------------------------------- */
.vf-hero { padding-block: var(--space-xl); border-bottom: 1px solid var(--color-border); }
.vf-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.vf-hero h1 {
  font: var(--text-h1);
  color: var(--color-charcoal);
  margin: 0.5rem 0 1rem;
}
.vf-hero__sub { font: var(--text-body); color: var(--color-text-muted); max-width: 62ch; }

.vf-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.vf-stat {
  border-top: 3px solid var(--color-primary);
  padding-top: 0.7rem;
  font: var(--text-small);
  font-weight: 600;
  color: var(--color-charcoal);
  line-height: 1.35;
}
.vf-hero__actions { margin-top: var(--space-lg); }
.vf-hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: var(--space-lg); }
@media (max-width: 600px) { .vf-hero__cta .btn { flex: 1 1 100%; } }

/* --------------------------------------------------------------------------
   Capability / feature cards
   -------------------------------------------------------------------------- */
.vf-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.vf-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.vf-card h3 { font: 600 1.1rem/1.3 var(--font-body); color: var(--color-charcoal); margin-bottom: 0.5rem; }
.vf-card p { font: var(--text-small); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   Bulleted feature / applications / support list
   -------------------------------------------------------------------------- */
.vf-list { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; margin-top: var(--space-md); max-width: 80ch; }
.vf-list li { position: relative; padding-left: 1.6rem; font: var(--text-body); color: var(--color-text-muted); }
.vf-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.55em;
  width: 9px; height: 9px;
  background: var(--color-primary); border-radius: 50%;
}
.vf-list strong { color: var(--color-charcoal); font-weight: 600; }

.vf-intro { font: var(--text-body); color: var(--color-text-muted); max-width: 80ch; margin-top: var(--space-sm); }
.vf-prose p { font: var(--text-body); color: var(--color-text-muted); max-width: 75ch; margin-top: var(--space-md); }
.vf-prose p:first-child { margin-top: var(--space-sm); }

/* --------------------------------------------------------------------------
   Split (media + content) and media rows
   -------------------------------------------------------------------------- */
.vf-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: center; margin-top: var(--space-lg); }
.vf-split h3 { font: var(--text-h3); color: var(--color-charcoal); margin-bottom: 0.5rem; }
.vf-split p { font: var(--text-body); color: var(--color-text-muted); }
.vf-media-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); margin-top: var(--space-lg); }

/* --------------------------------------------------------------------------
   Specifications table (3 columns, horizontally scrollable on mobile)
   -------------------------------------------------------------------------- */
.vf-table-wrap {
  overflow-x: auto;
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  -webkit-overflow-scrolling: touch;
}
.vf-spec-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.vf-spec-table th, .vf-spec-table td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font: var(--text-small);
}
.vf-spec-table thead th { background: var(--color-charcoal); color: var(--color-white); font-weight: 600; }
.vf-spec-table tbody th { color: var(--color-charcoal); font-weight: 600; background: var(--color-surface); white-space: nowrap; }
.vf-spec-table tbody td { color: var(--color-text-muted); }
.vf-spec-table tbody tr:last-child th,
.vf-spec-table tbody tr:last-child td { border-bottom: 0; }
/* Highlighted comparison column (e.g. the model this page is about) */
.vf-spec-table tbody td.vf-col--hl { background: rgba(214, 0, 28, 0.06); color: var(--color-charcoal); font-weight: 500; }
.vf-spec-table thead th.vf-col--hl { background: var(--color-primary); }

/* --------------------------------------------------------------------------
   Quote band (red) with white form panel
   -------------------------------------------------------------------------- */
.vf-quote { background: var(--color-primary); color: var(--color-white); }
.vf-quote__head { text-align: center; max-width: 46rem; margin-inline: auto; }
.vf-quote__head h2 { color: var(--color-white); }
.vf-quote__sub { color: rgba(255, 255, 255, 0.92); text-align: center; max-width: 46rem; margin: 0.5rem auto var(--space-lg); font: var(--text-body); }
.vf-quote__panel {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  padding: var(--space-lg);
  max-width: 640px;
  margin-inline: auto;
}
.vf-quote__panel h3 { font: var(--text-h3); color: var(--color-charcoal); margin-bottom: 0.35rem; }
.vf-quote__panel .vf-quote__note { font: var(--text-small); color: var(--color-text-muted); margin-bottom: var(--space-md); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .vf-hero__grid { grid-template-columns: 1fr; }
  .vf-split { grid-template-columns: 1fr; }
  .vf-cards { grid-template-columns: repeat(2, 1fr); }
  .vf-stats { grid-template-columns: repeat(2, 1fr); }
  .vf-media-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .vf-cards { grid-template-columns: 1fr; }
  .vf-stats { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Rebuild — scannable, image-paired layout (v2)
   ========================================================================== */

/* Hero: 50/50 + tagline + short desc */
.vf-hero__grid { grid-template-columns: 1fr 1fr; }
.vf-hero__tagline { font: var(--text-h3); color: var(--color-primary); margin: 0.5rem 0 0.75rem; }
.vf-hero__desc { font: var(--text-body); color: var(--color-text-muted); max-width: 58ch; }

/* At-a-glance: 4 big stat cards */
.vf-statcards { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.vf-statcard {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  padding: var(--space-lg); text-align: center;
}
.vf-statcard__value { font: var(--text-h2); font-weight: 700; color: var(--color-primary); line-height: 1; }
.vf-statcard__label { display: block; font: var(--text-small); color: var(--color-text-muted); margin-top: 0.4rem; }

/* Key advantages — short bullets, two columns */
.vf-adv { columns: 2; column-gap: var(--space-xl); list-style: none; margin-top: var(--space-lg); max-width: 940px; }
.vf-adv li { break-inside: avoid; position: relative; padding-left: 1.6rem; margin-bottom: 0.85rem; font: var(--text-body); color: var(--color-charcoal); }
.vf-adv li::before { content: "✓"; position: absolute; left: 0; top: -0.05em; color: var(--color-primary); font-weight: 700; }

/* Alternating image-text rows */
.vf-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.vf-row + .vf-row { margin-top: var(--space-xl); }
.vf-row--reverse .vf-row__media { order: 2; }
.vf-row__text h3 { font: var(--text-h3); color: var(--color-charcoal); margin-bottom: 0.6rem; }
.vf-row__text p { font: var(--text-body); color: var(--color-text-muted); max-width: 52ch; }

/* Packaging 4.0 — 2x2 icon grid */
.vf-p4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); margin-top: var(--space-lg); }
.vf-p4__item {
  display: flex; gap: 0.9rem; align-items: flex-start;
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: var(--space-lg);
}
.vf-p4__icon { flex: 0 0 auto; width: 28px; height: 28px; color: var(--color-primary); }
.vf-p4__item h3 { font: 600 1.05rem/1.3 var(--font-body); color: var(--color-charcoal); margin-bottom: 0.2rem; }
.vf-p4__item p { font: var(--text-small); color: var(--color-text-muted); }

/* Applications chips (static pills) */
.vf-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: var(--space-lg); }
.vf-chip {
  font: var(--text-small); font-weight: 500; color: var(--color-charcoal);
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: 999px; padding: 0.5rem 1.1rem;
}

/* Why-choose — 3 mini cards */
.vf-why3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); margin-top: var(--space-lg); }
.vf-why3__card {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: var(--space-lg);
}
.vf-why3__card h3 { font: 600 1.05rem/1.3 var(--font-body); color: var(--color-charcoal); margin-bottom: 0.4rem; }
.vf-why3__card p { font: var(--text-small); color: var(--color-text-muted); }

/* K Group support items (icon pills) */
.vf-support { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: var(--space-md); }
.vf-support__item {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: 999px; padding: 0.55rem 1rem; font: var(--text-small); font-weight: 500; color: var(--color-charcoal);
}
.vf-support__item svg { width: 16px; height: 16px; color: var(--color-primary); flex: 0 0 auto; }

@media (max-width: 900px) {
  .vf-statcards { grid-template-columns: repeat(2, 1fr); }
  .vf-adv { columns: 1; }
  .vf-row { grid-template-columns: 1fr; }
  .vf-row--reverse .vf-row__media { order: 0; }
  .vf-p4 { grid-template-columns: 1fr; }
  .vf-why3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .vf-statcards { grid-template-columns: 1fr; }
}

/* Ensure the 50/50 hero collapses to one column on mobile (declared after the
   v2 hero rule so it wins the cascade). */
@media (max-width: 900px) {
  .vf-hero__grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Lazy YouTube facade (click-to-play) — used on MIRAFLEX II "see it in action"
   Loads only the thumbnail + play button on page load; the real iframe is
   injected on click, keeping the page lightweight.
   ========================================================================== */
.vf-video {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: var(--space-lg) auto 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #000;
  cursor: pointer;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.vf-video__thumb { width: 100%; height: 100%; object-fit: cover; display: block; }
.vf-video__play {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  width: 100%; border: 0; padding: 0;
  background: rgba(0, 0, 0, 0.18);
  cursor: pointer;
  transition: background 0.2s;
}
.vf-video:hover .vf-video__play { background: rgba(0, 0, 0, 0.30); }
.vf-video__play svg { width: clamp(56px, 9%, 80px); height: auto; max-width: 80px; filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45)); transition: transform 0.2s ease; }
.vf-video:hover .vf-video__play svg { transform: scale(1.08); }
.vf-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }