/* ═══════════════════════════════════════════════════════════
   PANELS — desktop 5-panel hover grid
   Only loaded on home page. Hidden below 900px.
   ═══════════════════════════════════════════════════════════ */

.gateway {
  height: 100vh;
  height: 100svh;
  width: 100%;
  overflow: hidden;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 100%;
  height: 100vh;
  height: 100svh;
  transition: grid-template-columns var(--transition);
}

.panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: var(--panel-min-height);
  flex: 1 1 0;
  transition: flex 0.7s cubic-bezier(0.22,1,0.36,1);
  opacity: 0;
  transform: translateY(40px);
  animation: panelFadeUp 0.9s cubic-bezier(0.22,1,0.36,1) forwards;
}
.panel:nth-child(1) { animation-delay: 0.05s; }
.panel:nth-child(2) { animation-delay: 0.15s; }
.panel:nth-child(3) { animation-delay: 0.25s; }
.panel:nth-child(4) { animation-delay: 0.35s; }
.panel:nth-child(5) { animation-delay: 0.45s; }

@keyframes panelFadeUp {
  0%   { opacity: 0; transform: translateY(40px); }
  100% { opacity: 1; transform: translateY(0); }
}

.panel::before {
  content: '';
  position: absolute;
  inset: -20px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 6s ease-out;
  transform: scale(1);
  z-index: 0;
  will-change: transform;
}
.panel:hover::before { transform: scale(1.08); }

.panel-people::before   { background-image: url('../img/panels/wellbeing.webp'); }
.panel-security::before { background-image: url('../img/panels/cybersecurity.jpg'); }
.panel-it::before       { background-image: url('../img/panels/it-infrastructure.webp'); }
.panel-digital::before  { background-image: url('../img/panels/digital-solutions.jpg'); }
.panel-smart::before    { background-image: url('../img/panels/smart-business.jpg'); }

.panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(11,43,74,0.78) 0%, rgba(0,20,40,0.45) 60%, transparent 100%);
  transition: background 0.7s ease;
  z-index: 1;
}
.panel:hover::after { background: rgba(0,0,0,0.2); }

.panel-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 1.2rem 1.5rem;
  max-width: 88%;
  width: 100%;
  border-radius: 28px;
  transition: all 0.6s cubic-bezier(0.22,1,0.36,1);
  word-break: break-word;
}
.panel:hover .panel-content {
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  padding: 1.4rem 2rem;
}

.panel-content .number {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  opacity: 0.5;
  margin-bottom: 0.6rem;
}

.panel-content .panel-icon {
  font-size: 1.6rem;
  color: var(--brand-green);
  margin-bottom: 0.8rem;
  opacity: 0.85;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.panel:hover .panel-content .panel-icon {
  opacity: 1;
  transform: scale(1.1);
}

.panel-content .title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.2rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
  text-wrap: balance;
}
.panel-content .title.long {
  font-size: clamp(1rem, 1.6vw, 1.85rem);
}

.panel-content .accent-line {
  display: block;
  width: 0%;
  height: 3px;
  margin: 0.6rem auto;
  background: var(--brand-gold);
  border-radius: 4px;
  box-shadow: 0 0 20px var(--brand-gold-glow);
  transition: width 0.6s cubic-bezier(0.22,1,0.36,1);
}
.panel:hover .panel-content .accent-line { width: 60%; }

.panel-content .subtitle {
  font-size: clamp(0.6rem, 0.9vw, 0.95rem);
  font-weight: 400;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.5s ease, max-height 0.6s ease, margin 0.4s ease;
  line-height: 1.5;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.panel:hover .panel-content .subtitle {
  opacity: 1;
  max-height: 120px;
  margin-top: 0.2rem;
}

.panel-content .arrow {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 2rem;
  font-weight: 300;
  opacity: 0;
  transform: translateX(-15px) scale(0.8);
  transition: all 0.5s cubic-bezier(0.22,1,0.36,1);
  color: var(--brand-green);
  text-shadow: 0 0 30px var(--brand-green-glow);
}
.panel:hover .panel-content .arrow {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.panel-grid:has(.panel:hover) .panel:not(:hover) { flex: 0.6 1 0; }
.panel-grid:has(.panel:hover) .panel:not(:hover) .panel-content {
  opacity: 0.5;
  transform: scale(0.92);
  background: transparent;
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  border: 1px solid transparent;
  box-shadow: none;
  padding: 1.2rem 1.5rem;
}
.panel-grid:has(.panel:hover) .panel:not(:hover) .panel-content .subtitle,
.panel-grid:has(.panel:hover) .panel:not(:hover) .panel-content .arrow {
  opacity: 0;
  max-height: 0;
}
.panel-grid:has(.panel:hover) .panel:not(:hover) .panel-content .accent-line { width: 0%; }

/* ─── Hide on mobile ─── */
@media (max-width: 899px) {
  .gateway,
  .panel-grid { display: none !important; }
}


/* ═══════════════════════════════════════════════════════════
   PANEL EXPAND — click a panel, it clones and expands
   ═══════════════════════════════════════════════════════════ */

.panel-clone {
  position: fixed;
  z-index: 9999;
  overflow: hidden;
  border-radius: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  opacity: 0;
  /* Overshoot easing — creates the bounce */
  transition:
    top 1.2s cubic-bezier(0.34, 1.35, 0.5, 1),
    left 1.2s cubic-bezier(0.34, 1.35, 0.5, 1),
    width 1.2s cubic-bezier(0.34, 1.35, 0.5, 1),
    height 1.2s cubic-bezier(0.34, 1.35, 0.5, 1),
    opacity 0.3s ease;
}

.panel-clone.is-visible {
  opacity: 1;
}

.panel-clone.is-expanded {
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  height: 100svh !important;
}

/* The clone's overlay layer (dark gradient) */
.panel-clone .clone-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(11,43,74,0.78) 0%, rgba(0,20,40,0.45) 60%, transparent 100%);
  transition: background 0.7s ease;
}
.panel-clone.is-expanded .clone-overlay {
  background: linear-gradient(180deg, rgba(11,43,74,0.55) 0%, rgba(11,43,74,0.9) 100%);
}

/* The clone's content (icon + title + subtitle) */
.panel-clone .clone-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.panel-clone.is-expanded .clone-content {
  opacity: 0;
  transform: scale(1.05);
}

/* Navy curtain — fades in after the clone expands */
.clone-curtain {
  position: fixed;
  inset: 0;
  background: var(--brand-navy);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.clone-curtain.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Destination page fade-in */
body.is-page-entering {
  opacity: 0;
}
body.is-page-entering.is-ready {
  opacity: 1;
  transition: opacity 0.4s ease;
}