/* ==========================================================================
   GEN-Z CONSTRUCTORS LIMITED COMPANY - OFFICIAL DESIGN SYSTEM & STYLESHEET
   "Building Your Vision, Constructing Your Future."
   ========================================================================== */

:root {
  /* Brand Color Tokens */
  --brand-navy: #010B20;
  --brand-navy-dark: #08060A;
  --brand-navy-light: #0B1A3D;
  --brand-navy-surface: #041233;
  --brand-gold: #B98F3D;
  --brand-gold-light: #EDDAA0;
  --brand-gold-dark: #896321;
  --brand-bronze: #42331E;
  --brand-ivory: #F1EDDF;
  --brand-ivory-light: #FAF8F2;
  
  /* Neutral & Base Tokens */
  --bg-light: #F8F7F3;
  --bg-white: #FFFFFF;
  --bg-subtle: #F1EFEA;
  --text-dark: #172033;
  --text-muted: #667085;
  --text-light: #94A3B8;
  --border-light: #E7E2D8;
  --border-dark: #1E293B;
  --border-gold: rgba(185, 143, 61, 0.35);

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(1, 11, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(1, 11, 32, 0.08);
  --shadow-lg: 0 16px 36px rgba(1, 11, 32, 0.12);
  --shadow-gold: 0 8px 25px rgba(185, 143, 61, 0.22);
  --shadow-dark: 0 12px 30px rgba(0, 0, 0, 0.45);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img, svg, video, canvas {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* Blueprint Grid Motifs & Patterns */
.bg-blueprint {
  background-color: var(--brand-navy);
  background-image: 
    linear-gradient(rgba(185, 143, 61, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 143, 61, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
}

.bg-blueprint-subtle {
  background-image: 
    linear-gradient(rgba(1, 11, 32, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(1, 11, 32, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* Architectural Corner Markers */
.arch-corner {
  position: relative;
}
.arch-corner::before,
.arch-corner::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--brand-gold);
  pointer-events: none;
  opacity: 0.8;
}
.arch-corner::before {
  top: 8px;
  left: 8px;
  border-top: 2px solid;
  border-left: 2px solid;
}
.arch-corner::after {
  bottom: 8px;
  right: 8px;
  border-bottom: 2px solid;
  border-right: 2px solid;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-heading);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.25;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-gold-light) 0%, var(--brand-gold) 60%, var(--brand-gold-dark) 100%);
  color: var(--brand-navy-dark);
  border: 1px solid var(--brand-gold-light);
  box-shadow: 0 4px 15px rgba(185, 143, 61, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #FFF0BE 0%, var(--brand-gold-light) 60%, var(--brand-gold) 100%);
  color: var(--brand-navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(185, 143, 61, 0.4);
}

.btn-secondary {
  background-color: var(--brand-navy);
  color: var(--brand-ivory);
  border: 1px solid var(--border-gold);
}
.btn-secondary:hover {
  background-color: var(--brand-navy-surface);
  color: #FFFFFF;
  border-color: var(--brand-gold);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--brand-gold);
  border: 1.5px solid var(--brand-gold);
}
.btn-outline-gold:hover {
  background-color: var(--brand-gold);
  color: var(--brand-navy-dark);
  transform: translateY(-2px);
}

.btn-outline-ivory {
  background-color: transparent;
  color: var(--brand-ivory);
  border: 1.5px solid rgba(241, 237, 223, 0.5);
}
.btn-outline-ivory:hover {
  background-color: rgba(241, 237, 223, 0.15);
  border-color: var(--brand-ivory);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-whatsapp-brand {
  background: #128C7E;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
  border: none;
}
.btn-whatsapp-brand:hover {
  background: linear-gradient(135deg, #32E875 0%, #1EAA53 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

/* Card Styling */
.card-brand {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.card-brand:hover {
  border-color: rgba(185, 143, 61, 0.5);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-dark {
  background: var(--brand-navy-surface);
  border: 1px solid rgba(185, 143, 61, 0.2);
  border-radius: var(--radius-md);
  color: var(--brand-ivory);
  transition: all var(--transition-normal);
}
.card-dark:hover {
  border-color: var(--brand-gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(-4px);
}

/* Gold Gradient Text */
.text-gradient-gold {
  background: linear-gradient(135deg, #FFF2CE 0%, var(--brand-gold-light) 40%, var(--brand-gold) 80%, var(--brand-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Gold Accent Line */
.gold-divider {
  height: 3px;
  width: 50px;
  background: linear-gradient(90deg, var(--brand-gold), var(--brand-gold-light));
  border-radius: var(--radius-full);
}

/* Forms */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 1.5px solid var(--border-light);
  background-color: var(--bg-white);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 3px rgba(185, 143, 61, 0.2);
  background-color: #FFFFFF;
}

.form-file {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1.5px dashed var(--border-light);
  border-radius: var(--radius-sm);
  background-color: #FAFAFA;
}
.form-file:focus {
  border-color: var(--brand-gold);
}

/* Floating Action Buttons */
.phone-floating-btn {
  position: fixed;
  bottom: 9rem;
  right: 1.25rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #FFF0BE 0%, #EDDAA0 30%, #B98F3D 80%, #896321 100%);
  color: #010B20;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 240, 190, 0.6);
  box-shadow: 0 8px 24px rgba(185, 143, 61, 0.4), 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-normal);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
}
.phone-floating-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(185, 143, 61, 0.55);
  color: #010B20;
}

.whatsapp-floating-btn {
  position: fixed;
  bottom: 5.2rem;
  right: 1.25rem;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-normal);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
}
.whatsapp-floating-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

@media (min-width: 768px) {
  .phone-floating-btn {
    bottom: 5.4rem;
    right: 2rem;
  }
  .whatsapp-floating-btn {
    bottom: 1.75rem;
    right: 2rem;
  }
}

/* Mobile Fixed Action Bar */
.mobile-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
  z-index: 50;
  background: rgba(1, 11, 32, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(185, 143, 61, 0.35);
  padding: 0.5rem 0.6rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .mobile-action-bar {
    display: none !important;
  }
}

/* Navigation & Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 45;
  background-color: var(--brand-navy);
  border-bottom: 1px solid rgba(185, 143, 61, 0.25);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(1, 11, 32, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Animations */
@keyframes pulseSubtle {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 0 0 8px rgba(37, 211, 102, 0);
  }
}

.animate-pulse-subtle {
  animation: pulseSubtle 3s infinite ease-in-out;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}