/* ================================================================
   HOME MAIN — Split-screen landing page
   ================================================================ */

/* Full-viewport layout */
body {
  height: 100vh;
  overflow: hidden;
}

.split-home {
  display: flex;
  width: 100%;
  height: 100vh;
  position: relative;
}

/* ── Panel base ── */
.split-panel {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  cursor: pointer;
  transition: flex var(--transition-slow);
  text-decoration: none;
  color: var(--text-primary);
}

.split-panel:hover {
  flex: 1.45;
}

/* ── Panel backgrounds ── */
.split-panel__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.split-panel--trade:hover .split-panel__bg,
.split-panel--metal:hover .split-panel__bg {
  transform: scale(1.04);
}

.split-panel__bg--trade {
  background-color: #0c1a26;
  background-image:
    radial-gradient(ellipse at 30% 60%, rgba(74, 127, 165, 0.2) 0%, transparent 60%),
    linear-gradient(160deg, rgba(12, 26, 38, 0.72) 0%, rgba(8, 21, 37, 0.80) 100%),
    url('../images/trade/trade-bg-home.jpg');
  background-size: cover;
  background-position: center;
}

.split-panel__bg--metal {
  background-color: #111111;
  background-image:
    radial-gradient(ellipse at 70% 40%, rgba(160, 160, 160, 0.12) 0%, transparent 60%),
    linear-gradient(160deg, rgba(24, 24, 24, 0.72) 0%, rgba(10, 10, 10, 0.80) 100%),
    url('../images/metal/metal-bg-home.jpg');
  background-size: cover;
  background-position: center;
}

/* ── Panel overlay darkens edges ── */
.split-panel__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  transition: background var(--transition-slow);
}

.split-panel:hover .split-panel__overlay {
  background: rgba(0, 0, 0, 0.15);
}

/* ── Trade: blue tint, Metal: neutral ── */
.split-panel--trade .split-panel__overlay {
  background: linear-gradient(135deg, rgba(4, 20, 40, 0.5) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.split-panel--metal .split-panel__overlay {
  background: linear-gradient(135deg, rgba(5, 5, 5, 0.5) 0%, rgba(20, 20, 20, 0.1) 100%);
}

/* Center line between panels */
.split-panel--trade::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--border-chrome), transparent);
  z-index: 10;
}

/* ── Content ── */
.split-panel__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-3xl);
  width: 100%;
  transform: translateY(10px);
  opacity: 0.8;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.split-panel:hover .split-panel__content {
  transform: translateY(0);
  opacity: 1;
}

/* Trade content shifts left, Metal shifts right */
.split-panel--trade .split-panel__content {
  padding-right: calc(var(--space-3xl) + 80px);
}

.split-panel--metal .split-panel__content {
  padding-left: calc(var(--space-3xl) + 80px);
}

/* ── Icon ── */
.split-panel__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid var(--border-chrome);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
  color: var(--chrome);
  background: rgba(200, 200, 200, 0.05);
  transition: all var(--transition-base);
}

.split-panel:hover .split-panel__icon {
  border-color: var(--chrome);
  background: rgba(200, 200, 200, 0.1);
  box-shadow: 0 0 30px rgba(200, 200, 200, 0.12);
}

.split-panel--trade .split-panel__icon {
  color: var(--accent-trade-light);
  border-color: var(--accent-trade);
  background: rgba(74, 127, 165, 0.06);
}

.split-panel--trade:hover .split-panel__icon {
  border-color: var(--accent-trade-light);
  box-shadow: 0 0 30px rgba(74, 127, 165, 0.2);
}

/* ── Title ── */
.split-panel__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.split-panel__brand {
  font-size: var(--font-size-xl);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--chrome-light);
  text-transform: uppercase;
}

.split-panel__division {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--chrome-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.split-panel--trade .split-panel__division {
  background: linear-gradient(135deg, #4a7fa5 0%, #6aafd8 40%, #90d0f8 55%, #4a8fc8 75%, #2060a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Divider ── */
.split-panel__divider {
  width: 48px;
  height: 1px;
  background: var(--chrome-gradient);
  margin: var(--space-md) auto;
  transition: width var(--transition-base);
}

.split-panel--trade .split-panel__divider {
  background: linear-gradient(90deg, var(--accent-trade), var(--accent-trade-light));
}

.split-panel:hover .split-panel__divider {
  width: 80px;
}

/* ── Description ── */
.split-panel__desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 240px;
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base) 0.1s, transform var(--transition-base) 0.1s;
}

.split-panel:hover .split-panel__desc {
  opacity: 1;
  transform: translateY(0);
}

/* ── CTA ── */
.split-panel__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--chrome);
  padding: 8px 20px;
  border: 1px solid var(--border-chrome);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-base) 0.15s;
}

.split-panel--trade .split-panel__cta {
  color: var(--accent-trade-light);
  border-color: var(--accent-trade);
}

.split-panel:hover .split-panel__cta {
  opacity: 1;
  transform: translateY(0);
}

.split-panel:hover .split-panel__cta svg {
  transform: translateX(3px);
  transition: transform var(--transition-fast);
}

/* Hide WhatsApp button on the main landing page */
body[data-page="home"] #whatsapp-btn {
  display: none;
}

/* ── Mobile: stacked vertically ── */
@media (max-width: 768px) {
  body {
    height: auto;
    overflow: auto;
  }

  .split-home {
    flex-direction: column;
    padding-top: calc(var(--header-height) + var(--topbar-height));
    height: auto;
    min-height: 100vh;
  }

  .split-panel {
    flex: none;
    height: 50vh;
    min-height: 320px;
    transition: none;
  }

  .split-panel:hover {
    flex: none;
  }

  .split-panel--trade::after {
    display: none;
  }

  .split-panel--trade .split-panel__content,
  .split-panel--metal .split-panel__content {
    padding: var(--space-xl);
    align-items: center;
  }

  .split-panel__desc,
  .split-panel__cta {
    opacity: 1;
    transform: none;
  }

  .split-panel__division {
    font-size: var(--font-size-2xl);
  }
}