/* ============================================
   癲桌工藝 IMA — Custom Styles
   Palette: #e2a147 (primary) · #996b2c (secondary)
   ============================================ */

:root {
  --bg-primary: #0c0b09;
  --bg-card: #161310;
  --brand: #e2a147;
  --brand-light: #ebb86a;
  --brand-dark: #c9892e;
  --brand-glow: rgba(226, 161, 71, 0.5);
  --brand-glow-soft: rgba(226, 161, 71, 0.22);
  --brand-shadow: rgba(226, 161, 71, 0.35);
  --accent: #996b2c;
  --accent-deep: #7a5520;
  --text-primary: #f5f0e8;
  --text-muted: #a89f90;
  --scrollbar-track: #161310;
  --scrollbar-thumb: #996b2c;
  --scrollbar-thumb-hover: #e2a147;
}

html {
  scroll-behavior: smooth;
}

/* ── Neon Text (gold glow) ── */
.neon-text-emerald {
  color: var(--brand);
  text-shadow:
    0 0 10px var(--brand-glow),
    0 0 20px var(--brand-glow-soft),
    0 0 40px rgba(226, 161, 71, 0.12);
}

/* ── Hover Glow ── */
.shadow-neon-emerald {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.shadow-neon-emerald:hover {
  box-shadow: 0 0 15px var(--brand-shadow);
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 5px;
  border: 2px solid var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* ── Navbar Glassmorphism ── */
#navbar nav {
  position: relative;
}

.navbar-scrolled {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(12, 11, 9, 0.85) !important;
  border-bottom: 1px solid rgba(226, 161, 71, 0.12);
}

/* ── Mobile Menu (absolute: closed = no height) ── */
.mobile-menu {
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 100%;
  z-index: 60;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  padding-bottom: 0;
  transform: translateY(-6px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, max-height 0.25s ease;
}

.mobile-menu.open {
  max-height: 24rem;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  padding-bottom: 1rem;
  transform: translateY(0);
}

@media (min-width: 640px) {
  .mobile-menu {
    left: 1.5rem;
    right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .mobile-menu {
    left: 2rem;
    right: 2rem;
  }
}

/* ── Portfolio Tab Active ── */
.tab-btn {
  transition: all 0.3s ease;
}

.tab-btn.active {
  background-color: var(--brand);
  color: #0c0b09;
  box-shadow: 0 0 12px rgba(226, 161, 71, 0.35);
}

.tab-btn:not(.active):hover {
  background-color: rgba(226, 161, 71, 0.15);
  color: var(--brand);
}

/* ── Portfolio Panel Fade ── */
.portfolio-panel {
  display: none;
  opacity: 0;
  animation: none;
}

.portfolio-panel.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Hero Background Overlay ── */
.hero-bg {
  background-image: url('assets/imgs/Banner.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(12, 11, 9, 0.5) 0%,
    rgba(12, 11, 9, 0.55) 50%,
    rgba(12, 11, 9, 0.7) 100%
  );
}

.hero-logo {
  filter: drop-shadow(0 0 18px rgba(226, 161, 71, 0.35));
}

/* ── Card Hover Lift ── */
.card-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-lift:hover {
  transform: translateY(-4px);
}

/* ── Collapsible Partner Deal ── */
.partner-toggle summary {
  cursor: pointer;
  list-style: none;
}

.partner-toggle summary::-webkit-details-marker {
  display: none;
}

.partner-toggle[open] .chevron-icon {
  transform: rotate(180deg);
}

.chevron-icon {
  transition: transform 0.3s ease;
}

/* ── Process Steps ── */
.process-step {
  position: relative;
  display: flex;
  align-items: center;
}

.process-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 7.5rem;
  min-height: 3.25rem;
  padding: 0.65rem 0.9rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
}

.process-step:not(:last-child)::after {
  content: '➔';
  position: absolute;
  right: -1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .process-step:not(:last-child)::after {
    display: none;
  }
}

/* ── Team Card Pixel Border ── */
.team-card {
  border: 2px solid rgba(226, 161, 71, 0.25);
  position: relative;
}

.team-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  background: var(--brand);
}

.team-card::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background: var(--accent);
}

.team-stat {
  white-space: nowrap;
  overflow-x: auto;
  max-width: 100%;
  scrollbar-width: none;
}

.team-stat::-webkit-scrollbar {
  display: none;
}

/* ── EULA Compliance Banner ── */
.eula-notice {
  border-left: 3px solid var(--accent);
}

/* ── Multi-page Layout ── */
.page-main {
  padding-top: 4rem;
}

@media (min-width: 1024px) {
  .page-main {
    padding-top: 5rem;
  }
}

.page-banner {
  background: linear-gradient(
    180deg,
    rgba(22, 19, 16, 1) 0%,
    rgba(12, 11, 9, 0.7) 100%
  );
}

/* ── Navigation Links ── */
.nav-link {
  color: #cfc6b8;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--brand);
}

.nav-link-active {
  color: var(--brand) !important;
}

.mobile-menu .nav-link:hover {
  background-color: rgba(226, 161, 71, 0.1);
}

.mobile-menu .nav-link-active {
  background-color: rgba(226, 161, 71, 0.15);
}

/* ── Build Exterior / Interior Toggle ── */
.build-view-btn {
  transition: all 0.25s ease;
}

.build-view-btn.active {
  background-color: var(--brand);
  color: #0c0b09;
}

.build-view-btn:not(.active) {
  background-color: rgba(226, 161, 71, 0.1);
  color: var(--brand);
}

.build-view-btn:not(.active):hover {
  background-color: rgba(226, 161, 71, 0.2);
}

.build-view-img {
  display: none !important;
}

.build-view-img.active {
  display: block !important;
  width: 100%;
  height: auto;
  animation: fadeIn 0.35s ease forwards;
}

/* ── Lightbox Preview ── */
.lightbox-trigger {
  border: 0;
  padding: 0;
  background: transparent;
}

.lightbox-hint {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: rgba(12, 11, 9, 0.65);
  color: var(--brand);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
  z-index: 3;
}

.lightbox-trigger:hover .lightbox-hint,
.lightbox-trigger:focus-visible .lightbox-hint {
  opacity: 1;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(12, 11, 9, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox[hidden] {
  display: none;
}

.lightbox.open[hidden] {
  display: flex;
}

.lightbox img {
  max-width: min(96vw, 1280px);
  max-height: calc(100vh - 6rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 0 40px rgba(226, 161, 71, 0.2);
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.lightbox.open img {
  transform: scale(1);
}

.lightbox-caption {
  color: #cfc6b8;
  font-size: 0.875rem;
  text-align: center;
  max-width: 90vw;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 9999px;
  background: rgba(226, 161, 71, 0.15);
  color: var(--brand);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox-close:hover {
  background: rgba(226, 161, 71, 0.3);
  transform: scale(1.05);
}

body.lightbox-open {
  overflow: hidden;
}