/* ==========================================================================
   WISER ACC — Luxury Industrial Laundry & Hospitality Linen Solutions
   Custom Styling & Design Tokens
   ========================================================================== */

:root {
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Primary Deep Corporate Trust Palette */
  --navy-deep: #0E2A47;
  --navy-midnight: #0B1C2D;
  --navy-dark: #071524;
  --blue-ocean: #1877F2;
  --blue-royal: #1565C0;
  --teal-fresh: #18C7B7;
  --teal-dark: #0F766E;

  /* 5% Rule Controlled Luxury Accent */
  --gold-luxury: #D4AF37;
  --gold-accent: #B45309;
  --gold-subtle: #FEF3C7;

  /* Neutrals */
  --pearl-light: #F8FAFC;
  --slate-dark: #0F172A;
  --slate-muted: #64748B;
  --slate-border: #E2E8F0;
}

body {
  font-family: var(--font-body);
  color: var(--slate-dark);
  background-color: var(--pearl-light);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-display);
}

/* Scroll Progress Bar */
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #1877F2 0%, #18C7B7 50%, #D4AF37 100%);
  z-index: 100;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Back to Top Floating Button */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: #0E2A47;
  color: #FFFFFF;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(14, 42, 71, 0.35);
  cursor: pointer;
  z-index: 45;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  background: #1877F2;
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -5px rgba(24, 119, 242, 0.4);
}

/* Active Nav Link Underline */
.nav-link {
  position: relative;
  padding: 0.5rem 0;
}

.nav-link.active-page {
  color: #1877F2 !important;
  font-weight: 700;
}

.nav-link.active-page::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: #1877F2;
  border-radius: 2px;
}

/* Glassmorphism Navigation */
.glass-nav {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.glass-nav-scrolled {
  box-shadow: 0 10px 30px -10px rgba(14, 42, 71, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

.glass-nav-dark {
  background: rgba(14, 42, 71, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.glass-card {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.glass-card-dark {
  background: rgba(11, 28, 45, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* Gradients */
.gold-gradient-text {
  background: linear-gradient(135deg, #D4AF37 0%, #F59E0B 60%, #B45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blue-gradient-text {
  background: linear-gradient(135deg, #38BDF8 0%, #1877F2 60%, #18C7B7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Badges */
.luxury-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #92400E;
  background: #FEF3C7;
  border: 1px solid #FCD34D;
  border-radius: 9999px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #0369A1;
  background: #E0F2FE;
  border: 1px solid #BAE6FD;
  border-radius: 9999px;
}

.hygiene-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #0F766E;
  background: #CCFBF1;
  border: 1px solid #99F6E4;
  border-radius: 9999px;
}

/* Hero Mesh & Patterns */
.hero-mesh {
  background-color: #0B1C2D;
  background-image: 
    radial-gradient(at 15% 15%, rgba(24, 119, 242, 0.4) 0px, transparent 55%),
    radial-gradient(at 85% 85%, rgba(24, 199, 183, 0.28) 0px, transparent 55%),
    radial-gradient(at 50% 50%, rgba(7, 21, 36, 0.95) 0px, transparent 100%);
}

.hero-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1.2px, transparent 0);
  background-size: 24px 24px;
}

/* Enhanced Inner Pages Hero with Gradient, Texture & 5% Watermark */
.inner-hero {
  position: relative;
  background-color: #071524;
  background-image: 
    radial-gradient(at 0% 0%, rgba(24, 119, 242, 0.28) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(24, 199, 183, 0.2) 0px, transparent 50%),
    radial-gradient(at 70% 20%, rgba(212, 175, 55, 0.08) 0px, transparent 45%),
    linear-gradient(180deg, #071524 0%, #0B1C2D 60%, #0E2A47 100%);
  overflow: hidden;
}

.inner-hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
}

.inner-hero-watermark {
  position: absolute;
  right: -2%;
  bottom: -15%;
  width: 480px;
  height: 480px;
  opacity: 0.05; /* 5% Watermark */
  pointer-events: none;
  user-select: none;
  filter: grayscale(100%) brightness(180%) contrast(150%);
  mix-blend-mode: screen;
  z-index: 1;
}

@media (max-width: 768px) {
  .inner-hero-watermark {
    width: 260px;
    height: 260px;
    right: -10%;
    bottom: -10%;
    opacity: 0.035;
  }
}

.inner-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #2DD4BF;
}

.inner-hero-card {
  background: rgba(11, 28, 45, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 1.25rem;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

/* Scroll Animation Utilities */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Custom Product Card Hover */
.product-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -10px rgba(14, 42, 71, 0.12);
  border-color: rgba(24, 119, 242, 0.4);
}

/* Interactive Tabs */
.tab-btn.active {
  background-color: #0E2A47;
  color: #FFFFFF;
  border-color: #0E2A47;
  box-shadow: 0 4px 12px rgba(14, 42, 71, 0.2);
}

/* Client Logo Wall Grayscale to Color */
.client-logo-item {
  transition: all 0.3s ease;
  filter: grayscale(100%);
  opacity: 0.65;
}

.client-logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-2px);
}

/* Trust Wall — Infinite Horizontal Marquee */
.marquee-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 64px, black calc(100% - 64px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, black 64px, black calc(100% - 64px), transparent 100%);
}

.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

.marquee-wrap:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Print Spec Sheet Styling */
@media print {
  body * {
    visibility: hidden;
  }
  #product-detail-container, #product-detail-container *,
  #product-spec-modal, #product-spec-modal * {
    visibility: visible;
  }
  #product-detail-container, #product-spec-modal {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #FFFFFF !important;
  }
}