/* ===============================================================
   SwiftX™ Courier Service — Premium Light Design System & Tokens
   Tailored for world-class international logistics, speed & clarity.
   =============================================================== */

:root {
  --color-bg-main: #FFFFFF;
  --color-bg-ivory: #F8FAFC;
  --color-bg-subtle: #F1F5F9;
  --color-brand-navy: #102A43;
  --color-brand-navy-light: #243B53;
  --color-brand-blue: #2563EB;
  --color-brand-blue-hover: #1D4ED8;
  --color-gold-champagne: #C6A15B;
  --color-gold-light: #F7EEDB;
  --color-slate-text: #1E293B;
  --color-slate-muted: #64748B;
  --color-border-subtle: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #128C7E;
  --color-accent-red: #E11D48;
  --color-accent-red-hover: #BE123C;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;

  /* Shadows */
  --shadow-card: 0 4px 20px -2px rgba(16, 42, 67, 0.06), 0 2px 6px -1px rgba(16, 42, 67, 0.04);
  --shadow-card-hover: 0 16px 36px -4px rgba(16, 42, 67, 0.12), 0 4px 12px -2px rgba(16, 42, 67, 0.06);
  --shadow-glow-blue: 0 0 25px rgba(37, 99, 235, 0.18);
  --shadow-glow-gold: 0 0 20px rgba(198, 161, 91, 0.22);
}

/* Global Reset & Base Setup */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  font-family: var(--font-body);
  background-color: var(--color-bg-ivory);
  color: var(--color-slate-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg-ivory);
  color: var(--color-slate-text);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--color-brand-blue);
  outline-offset: 2px;
}

/* Custom Scrollbar for Light Theme */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

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

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 5px;
  border: 2px solid #F1F5F9;
}

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

/* Premium Card Components */
.premium-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-subtle);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.premium-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

.premium-card-active {
  border-color: var(--color-brand-blue);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.12);
}

/* Restrained Champagne Gold Accents */
.badge-gold {
  background: var(--color-gold-light);
  color: #785A1D;
  border: 1px solid rgba(198, 161, 91, 0.4);
  font-weight: 700;
}

.gold-gradient-text {
  background: linear-gradient(135deg, #102A43 0%, #2563EB 50%, #C6A15B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* WhatsApp Accessible CTA */
.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(18, 140, 126, 0.35);
}

/* Call Now / Urgent CTA */
.btn-emergency {
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  font-weight: 800;
  transition: all 0.2s ease;
}

.btn-emergency:hover {
  background: linear-gradient(135deg, #BE123C 0%, #9F1239 100%);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.3);
  transform: translateY(-1px);
}

/* Primary Navy & Royal Blue Buttons */
.btn-primary {
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--color-brand-blue-hover);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

.btn-navy {
  background-color: var(--color-brand-navy);
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-navy:hover {
  background-color: var(--color-brand-navy-light);
  box-shadow: 0 6px 20px rgba(16, 42, 67, 0.25);
  transform: translateY(-1px);
}

/* 3D Box Visual (Carton Cardboard Light Theme) */
.box-scene {
  perspective: 900px;
}

.cube {
  width: 140px;
  height: 140px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(-18deg) rotateY(32deg);
  transition: transform 0.4s ease;
}

.cube-face {
  position: absolute;
  width: 140px;
  height: 140px;
  border: 1.5px solid #B45309;
  background: rgba(245, 158, 11, 0.15);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #78350F;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: inset 0 0 15px rgba(217, 119, 6, 0.1);
}

.cube-front  { transform: translateZ(70px); }
.cube-back   { transform: rotateY(180deg) translateZ(70px); }
.cube-right  { transform: rotateY(90deg) translateZ(70px); }
.cube-left   { transform: rotateY(-90deg) translateZ(70px); }
.cube-top    { 
  transform: rotateX(90deg) translateZ(70px); 
  background: rgba(251, 191, 36, 0.28);
  border-color: #D97706;
}
.cube-bottom { transform: rotateX(-90deg) translateZ(70px); }

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}