/* 
   HEALMED SUPPLIES - MODERN LABORATORY & MEDICAL SUPPLIES STYLESHEET
   ------------------------------------------------------------------
   Typography: Plus Jakarta Sans (Headings) + Inter (Body)
   Theme: High-Contrast Light & Dark Mode with Smooth Physics-Based Transitions
*/

/* ==========================================================================
   1. DESIGN TOKENS, VARIABLES & THEME DEFINITIONS
   ========================================================================== */
:root {
  /* Brand Color Palette - Light Mode (Healmed Dark Red & White) */
  --primary: #8B1E1E;          /* Healmed Dark Red */
  --primary-rgb: 139, 30, 30;
  --primary-light: #C0392B;    /* Bright Red - hover/highlight */
  --primary-dark: #5C1414;     /* Deep Maroon - shadows/depth */
  --primary-color: #8B1E1E;    /* Alias for inline compatibility */

  --secondary: #1C1C1E;        /* Rich Near-Black - pairs with red/white */
  --secondary-rgb: 28, 28, 30;
  --secondary-light: #3F3F46;  /* Lighter Charcoal */
  --secondary-color: #1C1C1E;  /* Alias */

  --accent: #D62828;           /* Vivid Crimson Accent */
  --accent-rgb: 214, 40, 40;
  --accent-hover: #A61E1E;
  --accent-color: #D62828;     /* Alias */

  /* Brand Gradients */
  --gradient-primary: linear-gradient(135deg, #A3231F 0%, #6E1616 100%);
  --gradient-primary-hover: linear-gradient(135deg, #C0392B 0%, #8B1E1E 100%);

  /* Functional Status Colors */
  --success: #059669;
  --warning: #D97706;
  --info: #0284C7;
  --error: #DC2626;

  /* Surfaces & Backgrounds */
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;          /* Clean slate-50 */
  --bg-alt-2: #F1F5F9;        /* Soft slate-100 */
  --bg-card: #FFFFFF;
  --bg-overlay: rgba(255, 255, 255, 0.92);
  --dark-bg: #0F172A;         /* Topbar & Footer background */

  /* Typography Colors - Light Mode (High Contrast WCAG AAA) */
  --text-main: #0F172A;       /* Slate 900 */
  --text-muted: #64748B;      /* Slate 500 */
  --text-light: #F8FAFC;      /* Light text on dark banners */
  --text-body: #334155;       /* Slate 700 */

  /* Borders & Dividers */
  --border-color: #E2E8F0;    /* Slate 200 */
  --border-subtle: #F1F5F9;

  /* Shadows with Depth */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 20px 30px -8px rgba(139, 30, 30, 0.16), 0 8px 12px -4px rgba(139, 30, 30, 0.08);

  /* Modern, Professional Corporate Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --section-py: 5.5rem;

  /* Border Radii */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-pill: 9999px;
  --radius-circle: 50%;

  /* Refined Easing & Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.18s var(--ease-smooth);
  --transition-base: 0.28s var(--ease-smooth);
  --transition-smooth: 0.4s var(--ease-spring);
  --transition-slow: 0.6s var(--ease-spring);
}

/* ==========================================================================
   DARK THEME OVERRIDES (Vibrant, High-Contrast & Legible)
   ========================================================================== */
[data-theme='dark'] {
  /* Vibrant Red Palette Optimized for Dark Contrast (tuned so white button
     text keeps AA-level contrast, while text/icons read clearly on dark bg) */
  --primary: #E5484D;         /* Vivid High-visibility Red */
  --primary-rgb: 229, 72, 77;
  --primary-light: #FCA5A5;
  --primary-dark: #B91C1C;
  --primary-color: #E5484D;

  --secondary: #D4D4D8;       /* Light Neutral - pairs with red on dark surfaces */
  --secondary-rgb: 212, 212, 216;
  --secondary-light: #F4F4F5;
  --secondary-color: #D4D4D8;

  --accent: #FF6B6B;          /* Bright Coral Red */
  --accent-rgb: 255, 107, 107;
  --accent-hover: #FCA5A5;
  --accent-color: #FF6B6B;

  --gradient-primary: linear-gradient(135deg, #E5484D 0%, #B91C1C 100%);
  --gradient-primary-hover: linear-gradient(135deg, #FCA5A5 0%, #E5484D 100%);

  /* Deep Slate Elevated Surfaces */
  --bg-main: #0B1120;         /* Deep Midnight Slate */
  --bg-alt: #111A2E;          /* Elevated Section Layer */
  --bg-alt-2: #18233C;        /* Higher Elevation Layer */
  --bg-card: #131E34;         /* Rich Card Surface */
  --bg-overlay: rgba(11, 17, 32, 0.92);
  --dark-bg: #060B14;

  /* Typography Colors - Dark Mode (Tested for > 7:1 Contrast Ratio) */
  --text-main: #F8FAFC;       /* Pure Crisp Slate 50 */
  --text-muted: #94A3B8;      /* Clean Visible Slate 400 */
  --text-light: #F8FAFC;
  --text-body: #E2E8F0;       /* Soft White Slate 200 */

  /* Borders & Dividers */
  --border-color: #22324F;    /* Soft Navy Border */
  --border-subtle: #19263E;

  /* Dark Ambient Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.7);
  --shadow-hover: 0 20px 30px -8px rgba(229, 72, 77, 0.25), 0 8px 12px -4px rgba(0, 0, 0, 0.6);
}

/* Global Theme Crossfade Transition */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color 0.35s var(--ease-smooth),
              color 0.35s var(--ease-smooth),
              border-color 0.35s var(--ease-smooth),
              box-shadow 0.35s var(--ease-smooth) !important;
  transition-delay: 0s !important;
}

/* ==========================================================================
   2. CORE RESETS & BASE TYPOGRAPHY
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-body);
  background-color: var(--bg-main);
  overflow-x: hidden;
  width: 100%;
  position: relative;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Headings: Clean, Professional Sans-Serif */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  line-height: 1.25;
  transition: color var(--transition-base);
}

h1, .h1 { font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 800; }
h2, .h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 700; }
h3, .h3 { font-size: clamp(1.4rem, 2.5vw, 1.85rem); font-weight: 700; }
h4, .h4 { font-size: 1.3rem; font-weight: 600; }
h5, .h5 { font-size: 1.1rem; font-weight: 600; }
h6, .h6 { font-size: 0.95rem; font-weight: 600; letter-spacing: 0.02em; }

p {
  margin-bottom: 1.25rem;
  color: var(--text-body);
  transition: color var(--transition-base);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   3. UNIVERSAL BOOTSTRAP COMPATIBILITY & DARK MODE REINFORCEMENT
   ========================================================================== */
/* Seamless Dark Theme Overrides for Bootstrap Classes */
[data-theme='dark'] .text-dark {
  color: var(--text-main) !important;
}

/* The global p / h1-h6 rules below always set an explicit text color, which
   beats plain inheritance from an ancestor's .text-white — so a heading or
   paragraph inside a "text-white" banner/overlay section silently reverted to
   dark body text (invisible on dark backgrounds) unless the .text-white class
   was also applied directly to that element. This restores inheritance so any
   current or future .text-white wrapper works correctly for its descendants. */
.text-white h1, .text-white h2, .text-white h3,
.text-white h4, .text-white h5, .text-white h6,
.text-white .h1, .text-white .h2, .text-white .h3,
.text-white .h4, .text-white .h5, .text-white .h6,
.text-white p {
  color: inherit;
}

/* .btn-light always keeps a white/near-white background regardless of theme,
   so its text must stay dark — the blanket .text-dark inversion above would
   otherwise turn these buttons into invisible white-on-white in dark mode. */
[data-theme='dark'] .btn-light.text-dark {
  color: #0F172A !important;
}

[data-theme='dark'] .text-muted {
  color: var(--text-muted) !important;
}

[data-theme='dark'] .text-body {
  color: var(--text-body) !important;
}

[data-theme='dark'] .bg-white {
  background-color: var(--bg-card) !important;
  color: var(--text-main) !important;
}

[data-theme='dark'] .bg-light {
  background-color: var(--bg-alt) !important;
  color: var(--text-main) !important;
}

[data-theme='dark'] .border,
[data-theme='dark'] .border-top,
[data-theme='dark'] .border-bottom,
[data-theme='dark'] .border-start,
[data-theme='dark'] .border-end {
  border-color: var(--border-color) !important;
}

[data-theme='dark'] .card {
  background-color: var(--bg-card) !important;
  border-color: var(--border-color) !important;
  color: var(--text-body) !important;
}

[data-theme='dark'] .card-body {
  color: var(--text-body) !important;
}

[data-theme='dark'] .card-title {
  color: var(--text-main) !important;
}

[data-theme='dark'] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme='dark'] .shadow,
[data-theme='dark'] .shadow-sm,
[data-theme='dark'] .shadow-lg {
  box-shadow: var(--shadow-md) !important;
}

/* ==========================================================================
   4. PRELOADER
   ========================================================================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-main);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner {
  text-align: center;
}

.preloader-icon {
  width: 52px;
  height: 52px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-right-color: var(--secondary);
  border-radius: 50%;
  animation: spin 0.9s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  margin: 0 auto 1.2rem;
}

.preloader-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.preloader-brand-primary,
.preloader-brand-secondary {
  font-family: var(--font-heading);
  opacity: 0;
  transform: translateY(8px);
  animation: preloaderTextIn 0.55s ease forwards;
}

.preloader-brand-primary {
  font-weight: 800;
  letter-spacing: 3px;
  font-size: 1.1rem;
  color: var(--primary);
  animation-delay: 0.1s;
}

.preloader-brand-secondary {
  font-weight: 600;
  letter-spacing: 4px;
  font-size: 0.68rem;
  color: var(--secondary);
  animation-delay: 0.28s;
}

@keyframes preloaderTextIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   5. TOP BAR & NAVIGATION
   ========================================================================== */
.top-bar {
  background-color: var(--dark-bg);
  color: #CBD5E1;
  padding: 0.45rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-base);
}

.top-bar a {
  color: #CBD5E1;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.top-bar a:hover {
  color: var(--primary-light);
  transform: translateY(-1px);
}

.navbar-custom {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1030;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.9rem 0;
  transition: all var(--transition-smooth);
}

.navbar-custom.scrolled {
  padding: 0.6rem 0;
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-color);
}

[data-theme='dark'] .navbar-custom {
  background-color: rgba(11, 17, 32, 0.92);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary) !important;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--transition-smooth);
}

.navbar-brand:hover {
  transform: scale(1.02);
}

.navbar-brand i {
  color: var(--primary);
  transition: transform var(--transition-smooth);
}

.navbar-brand:hover i {
  transform: rotate(15deg) scale(1.1);
}

.brand-logo-icon {
  height: 32px;
  width: auto;
  transition: transform var(--transition-smooth);
}

.navbar-brand:hover .brand-logo-icon,
.footer a:hover .brand-logo-icon {
  transform: rotate(15deg) scale(1.1);
}

.footer .brand-logo-icon {
  height: 30px;
}

.navbar-nav .nav-link {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 1rem !important;
  margin: 0 0.15rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background-color: rgba(var(--primary-rgb), 0.06);
}

[data-theme='dark'] .navbar-nav .nav-link:hover {
  color: var(--primary);
  background-color: rgba(var(--primary-rgb), 0.14);
}

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

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: width 0.3s var(--ease-spring), left 0.3s var(--ease-spring);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 65%;
}

/* Theme Toggle Button */
#themeToggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-circle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform var(--transition-smooth), background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

#themeToggle i {
  transition: transform var(--transition-smooth), color var(--transition-base);
}

#themeToggle:hover {
  transform: rotate(25deg) scale(1.1);
  background-color: var(--primary) !important;
  color: #FFFFFF !important;
  border-color: var(--primary) !important;
}

#themeToggle:hover i {
  color: #FFFFFF !important;
}

[data-theme='dark'] #themeToggle {
  background-color: var(--bg-alt-2);
  border-color: var(--border-color);
  color: #FCD34D !important; /* Amber Sun */
}

[data-theme='dark'] #themeToggle i {
  color: #FCD34D !important;
}

[data-theme='dark'] #themeToggle:hover {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #FFFFFF !important;
}

[data-theme='dark'] #themeToggle:hover i {
  color: #FFFFFF !important;
}

/* ==========================================================================
   6. BUTTONS & INTERACTIVE ELEMENTS
   ========================================================================== */
.btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.6rem;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 0.22s var(--ease-spring),
              box-shadow 0.22s var(--ease-smooth),
              background-color 0.22s var(--ease-smooth),
              border-color 0.22s var(--ease-smooth),
              color 0.22s var(--ease-smooth);
}

/* Smooth diagonal shine sweep on hover — works with any button background */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.32) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.65s var(--ease-smooth);
  pointer-events: none;
}

.btn:hover::before {
  transform: translateX(130%);
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary-custom,
.btn-primary {
  background: var(--gradient-primary) !important;
  border-color: var(--primary) !important;
  color: #FFFFFF !important;
}

[data-theme='dark'] .btn-primary-custom,
[data-theme='dark'] .btn-primary {
  background: var(--gradient-primary) !important;
  border-color: var(--primary) !important;
  color: #FFFFFF !important;
  font-weight: 700;
}

.btn-primary:hover,
.btn-primary-custom:hover {
  background: var(--gradient-primary-hover) !important;
  border-color: var(--primary-light) !important;
  color: #FFFFFF !important;
}

[data-theme='dark'] .btn-primary:hover,
[data-theme='dark'] .btn-primary-custom:hover {
  color: #FFFFFF !important;
}

.btn-outline-custom,
.btn-outline-light,
.btn-outline-primary {
  border: 2px solid currentColor;
  transition: all 0.25s var(--ease-spring);
}

.btn-outline-custom,
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background-color: transparent;
}

.btn-outline-custom:hover,
.btn-outline-primary:hover {
  background-color: var(--primary);
  color: #FFFFFF !important;
  border-color: var(--primary);
}

[data-theme='dark'] .btn-outline-custom:hover,
[data-theme='dark'] .btn-outline-primary:hover {
  color: #FFFFFF !important;
}

.btn-accent {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #FFFFFF;
}

/* ==========================================================================
   7. HERO SECTION & PAGE HEADERS
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 92vh;
  min-height: 92dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  perspective: 1400px;
}

.hero-section h1,
.hero-section .h1 {
  color: #FFFFFF;
  font-size: clamp(2.4rem, 4.8vw, 3.8rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.hero-section p,
.hero-section .lead {
  color: rgba(255, 255, 255, 0.88);
}

.hero-section .badge {
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  background-color: rgba(255, 255, 255, 0.95);
  color: #0F172A;
  backdrop-filter: blur(8px);
}

/* ---- Hero Slider (Ken Burns background + layered caption reveal) ---- */
.hero-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 2s cubic-bezier(0.4, 0, 0.2, 1), visibility 2s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  transition: transform 9.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(6, 11, 20, 0.88) 10%, rgba(6, 11, 20, 0.55) 55%, rgba(139, 30, 30, 0.5) 100%);
}

/* Layered caption reveal, staggered per child (badge, h1, p, buttons) */
.hero-slide-content > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.95s var(--ease-smooth), transform 0.95s var(--ease-smooth);
}

.hero-slide.active .hero-slide-content > *:nth-child(1) { transition-delay: 0.3s; }
.hero-slide.active .hero-slide-content > *:nth-child(2) { transition-delay: 0.5s; }
.hero-slide.active .hero-slide-content > *:nth-child(3) { transition-delay: 0.7s; }
.hero-slide.active .hero-slide-content > *:nth-child(4) { transition-delay: 0.9s; }

.hero-slide.active .hero-slide-content > * {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Controls: Arrows (mid-right edge, clear of floating badge & dots) */
.hero-arrows {
  position: absolute;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 3;
}

.hero-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), background-color 0.3s ease, border-color 0.3s ease;
}

.hero-arrow:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-3px) scale(1.06);
}

/* Hero Controls: Dots with autoplay progress fill */
.hero-dots {
  position: absolute;
  bottom: 2.9rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
  z-index: 3;
}

@media (min-width: 992px) {
  .hero-dots {
    left: 2.5rem;
    bottom: 8rem; /* clears the fixed WhatsApp float button and stays above the fold under the sticky top bar + navbar */
    transform: none;
  }
}

.hero-dot {
  position: relative;
  width: 42px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  overflow: hidden;
}

.hero-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  width: 0%;
  background: #FFFFFF;
  border-radius: var(--radius-pill);
}

.hero-dot.active::after {
  width: 100%;
  transition: width var(--hero-autoplay-duration, 8.5s) linear;
}

/* Floating 3D depth orbs (decorative) */
.hero-orb,
.page-header-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  z-index: 1;
  animation: orbFloat 10s ease-in-out infinite;
}

.hero-orb-1 {
  width: 260px;
  height: 260px;
  top: 12%;
  right: 8%;
  background: radial-gradient(circle, rgba(192, 57, 43, 0.35), transparent 70%);
  animation-duration: 12s;
}

.hero-orb-2 {
  width: 180px;
  height: 180px;
  bottom: 18%;
  right: 28%;
  background: radial-gradient(circle, rgba(139, 30, 30, 0.3), transparent 70%);
  animation-duration: 9s;
  animation-delay: -3s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(0, -22px, 40px) scale(1.08); }
}

/* Floating stat badge with subtle 3D hover */
.hero-floating-badge {
  transition: transform 0.4s var(--ease-spring);
  transform-style: preserve-3d;
}

.hero-floating-badge:hover {
  transform: translateY(-6px) rotateX(4deg) rotateY(-4deg);
}

/* Inner Page Header (Ken Burns background layer) */
.page-header {
  padding: 5.5rem 0 4rem;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #FFFFFF;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  animation: pageHeaderZoom 16s ease-in-out infinite alternate;
  z-index: 0;
}

.page-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(6, 11, 20, 0.85), rgba(139, 30, 30, 0.55));
  z-index: 1;
}

@keyframes pageHeaderZoom {
  from { transform: scale(1); }
  to { transform: scale(1.14); }
}

.page-header h1 {
  color: #FFFFFF;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.breadcrumb {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.breadcrumb-item a {
  color: #E2E8F0;
}

.breadcrumb-item a:hover {
  color: var(--primary-light);
}

.breadcrumb-item.active {
  color: var(--primary-light);
  font-weight: 600;
}

/* ==========================================================================
   8. STATS SECTION (High Legibility & Vibrant Counter)
   ========================================================================== */
.stats-section {
  background-color: var(--bg-alt);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-base);
}

.stat-item h2,
.stat-item .display-5 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.stat-icon i {
  transition: transform var(--transition-smooth);
}

.stat-item:hover .stat-icon i {
  transform: scale(1.15) translateY(-4px);
}

/* ==========================================================================
   9. CARDS & GRID COMPONENTS (Smooth Hover Physics)
   ========================================================================== */
/* Service Cards */
.service-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.2rem 1.8rem;
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-spring),
              box-shadow 0.35s var(--ease-spring),
              border-color 0.35s var(--ease-smooth),
              background-color var(--transition-base);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.service-card:hover::after {
  opacity: 1;
}

.service-card .icon-wrapper {
  background-color: var(--bg-alt-2);
  border-radius: var(--radius-circle);
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth), background-color var(--transition-smooth);
}

.service-card:hover .icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background-color: var(--primary);
}

.service-card:hover .icon-wrapper i,
[data-theme='dark'] .service-card:hover .icon-wrapper i {
  color: #FFFFFF !important;
}

/* Category Specialty Boxes */
.category-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  text-align: center;
  height: 100%;
  transition: transform 0.32s var(--ease-spring), 
              box-shadow 0.32s var(--ease-spring), 
              border-color 0.32s ease,
              background-color var(--transition-base);
}

.category-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.category-box i {
  transition: transform var(--transition-smooth);
}

.category-box:hover i {
  transform: scale(1.2);
}

.category-box h5 {
  font-weight: 700;
  margin-top: 0.5rem;
}

/* Feature Cards (Why Choose Us) */
.glass-card {
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--ease-spring), border-color 0.35s ease, background-color 0.35s ease;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.4) !important;
}

/* Testimonial Cards */
.testimonial-card,
.swiper-slide .card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background-color var(--transition-base);
}

.swiper-slide .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.swiper-pagination-bullet {
  background: var(--text-muted);
  opacity: 0.4;
  transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
  background: var(--primary) !important;
  opacity: 1;
  width: 24px;
  border-radius: 6px;
}

/* Blog Cards */
.blog-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-spring), background-color var(--transition-base);
}

.blog-card::after,
.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 3;
}

.blog-card:hover::after,
.product-card:hover::after {
  opacity: 1;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.blog-card img {
  transition: transform 0.6s var(--ease-spring);
}

.blog-card:hover img {
  transform: scale(1.06);
}

/* Product Catalog Cards */
.product-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.32s var(--ease-spring), box-shadow 0.32s var(--ease-spring), border-color 0.32s ease, background-color var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.product-img-wrapper {
  background-color: var(--bg-alt);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
  overflow: hidden;
}

.product-img-wrapper img {
  max-height: 180px;
  object-fit: contain;
  transition: transform 0.5s var(--ease-spring);
}

.product-card:hover .product-img-wrapper img {
  transform: scale(1.08);
}

.category-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--accent);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  z-index: 2;
}

/* Product Filter Buttons */
.filter-btn {
  background-color: var(--bg-alt);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.4rem;
  margin: 0.25rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.22s var(--ease-spring);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

[data-theme='dark'] .filter-btn.active,
[data-theme='dark'] .filter-btn:hover {
  color: #FFFFFF !important;
  font-weight: 700;
}

/* Value & Mission Cards (About Page) */
.value-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background-color var(--transition-base);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.mission-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background-color var(--transition-base);
}

.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* Process Steps (Services Page) */
.process-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease, background-color var(--transition-base);
}

.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.contact-info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s ease, background-color var(--transition-base);
}

.contact-info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-circle);
  background-color: var(--bg-alt);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.contact-info-card:hover .contact-icon-box,
[data-theme='dark'] .contact-info-card:hover .contact-icon-box {
  background-color: var(--primary) !important;
  color: #FFFFFF !important;
}

.contact-info-card:hover .contact-icon-box i,
[data-theme='dark'] .contact-info-card:hover .contact-icon-box i {
  color: #FFFFFF !important;
}

/* ==========================================================================
   10. FORMS & INPUTS (Smooth Focus & Dark Mode Legibility)
   ========================================================================== */
.form-control,
.form-select {
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  transition: border-color 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth), background-color var(--transition-base);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--bg-card);
  border-color: var(--primary);
  color: var(--text-main);
  box-shadow: 0 0 0 0.25rem rgba(var(--primary-rgb), 0.18);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

[data-theme='dark'] .form-control,
[data-theme='dark'] .form-select {
  background-color: var(--bg-alt-2);
  border-color: var(--border-color);
  color: var(--text-main);
}

[data-theme='dark'] .form-control:focus,
[data-theme='dark'] .form-select:focus {
  background-color: #1A2640;
  border-color: var(--primary);
  color: #FFFFFF;
}

.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   11. CTA SECTIONS
   ========================================================================== */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
}

.cta-section h2 {
  color: #FFFFFF;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
}

.cta-banner h2 {
  color: #FFFFFF;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   12. FOOTER & CLOSING SECTIONS
   ========================================================================== */
.footer {
  background-color: var(--dark-bg);
  color: #CBD5E1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-base);
}

.footer h5 {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.footer a {
  color: #94A3B8;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer .btn-outline-light {
  border-color: rgba(255, 255, 255, 0.2);
  color: #E2E8F0;
  transition: all var(--transition-fast);
}

.footer .btn-outline-light:hover,
[data-theme='dark'] .footer .btn-outline-light:hover {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

.footer .btn-outline-light:hover i,
[data-theme='dark'] .footer .btn-outline-light:hover i {
  color: #FFFFFF !important;
}

/* ==========================================================================
   13. FLOATING ACTION BUTTONS
   ========================================================================== */
/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: #FFFFFF !important;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 1040;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
  animation: pulse-whatsapp 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.12) rotate(8deg);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.6);
  color: #FFFFFF !important;
}

/* Back to Top Button */
#backToTop,
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  color: #FFFFFF !important;
  border-radius: var(--radius-circle);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  box-shadow: var(--shadow-md);
  transition: opacity 0.3s var(--ease-smooth), visibility 0.3s var(--ease-smooth), transform 0.3s var(--ease-spring), background-color var(--transition-base);
}

[data-theme='dark'] #backToTop,
[data-theme='dark'] .back-to-top {
  color: #FFFFFF !important;
  font-weight: bold;
}

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

#backToTop:hover,
.back-to-top:hover {
  background-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   14. KEYFRAMES & MICRO-ANIMATIONS
   ========================================================================== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Utility Animations */
.transition-all {
  transition: all var(--transition-smooth) !important;
}

.hover-shadow {
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.hover-shadow:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* Color & Text Hover Utilities */
.hover-primary {
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.hover-primary:hover {
  color: var(--primary-light) !important;
  transform: translateY(-1px);
}

.hover-white {
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.hover-white:hover {
  color: #FFFFFF !important;
  padding-left: 4px;
}

/* Service Icon Interaction (Services Page) */
.service-icon {
  display: inline-block;
  transition: transform var(--transition-smooth), color var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.12) translateY(-2px);
}

/* Value, Mission & Process Card Icon Physics */
.value-card i {
  display: inline-block;
  transition: transform var(--transition-smooth);
}

.value-card:hover i {
  transform: scale(1.15) translateY(-2px);
}

.mission-card .rounded-circle {
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.mission-card:hover .rounded-circle {
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
}

.process-card i {
  display: inline-block;
  transition: transform var(--transition-smooth);
}

.process-card:hover i {
  transform: scale(1.15) translateY(-2px);
}

/* Card CTA arrow nudge on parent hover */
.service-card:hover a .fa-arrow-right,
.blog-card:hover a .fa-arrow-right {
  transform: translateX(5px);
  transition: transform 0.3s var(--ease-spring);
}

.service-card a .fa-arrow-right,
.blog-card a .fa-arrow-right {
  transition: transform 0.3s var(--ease-spring);
}

/* Filter button active press state */
.filter-btn:active {
  transform: translateY(0) scale(0.97);
}

/* Hero arrow focus-visible outline for keyboard accessibility */
.hero-arrow:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 2px;
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Mobile nav overflow fix (landscape phones) */
@media (max-width: 991.98px) {
  .navbar-collapse.show,
  .navbar-collapse.collapsing {
    max-height: calc(100vh - 80px);
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
  }
}

/* Gallery caption always visible on touch devices */
@media (hover: none) {
  .gallery-caption {
    opacity: 1;
  }
}

/* ==========================================================================
   15. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-top: 0.85rem;
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.25s var(--ease-spring);
  }

  .hero-section {
    min-height: 80vh;
    min-height: 80dvh;
    padding: 4rem 0;
  }
  
  .top-bar {
    display: none;
  }

  .hero-arrows {
    display: none;
  }
}

@media (max-width: 575.98px) {
  :root {
    --section-py: 3.8rem;
  }
  
  .whatsapp-float {
    bottom: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }

  #backToTop,
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* ==========================================================================
   16.4 IMAGE GALLERY (Bento Grid with Hover Reveal Captions)
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 180px;
  gap: 1rem;
}

.gallery-item-lg {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.35s ease;
}

.gallery-item:hover {
  box-shadow: var(--shadow-hover);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-spring);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.1rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
}

.gallery-caption span {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

@media (max-width: 767.98px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 140px;
  }

  .gallery-item-lg {
    grid-column: span 2;
    grid-row: span 1;
  }
}

@media (max-width: 479.98px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery-item-lg {
    grid-column: span 1;
  }
}

/* ==========================================================================
   16.5 3D TILT SYSTEM, SCROLL PROGRESS & DEPTH ACCENTS
   ========================================================================== */
/* Applied via JS (pointer-driven rotateX/rotateY). CSS only supplies the
   perspective + smooth spring-back transition; JS sets the live transform. */
.tilt-3d {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-spring), box-shadow 0.35s ease;
  will-change: transform;
}

.tilt-3d-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.tilt-3d.tilt-active .tilt-3d-glare {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Page-to-page transitions
   Primary: native cross-document View Transitions (Chrome/Edge/Brave 126+,
   Safari 18.2+). The browser keeps the current page on screen until the next
   one is ready to paint, then cross-fades them — no blank screen, no delay.
   -------------------------------------------------------------------------- */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: vt-page-out 0.28s cubic-bezier(0.4, 0, 1, 1) both;
}

::view-transition-new(root) {
  animation: vt-page-in 0.45s cubic-bezier(0, 0, 0.2, 1) 0.06s both;
}

@keyframes vt-page-out {
  to { opacity: 0; transform: translateY(-10px); }
}

@keyframes vt-page-in {
  from { opacity: 0; transform: translateY(16px); }
}

/* Chrome that is identical on every page stays put while the content changes */
.navbar-custom { view-transition-name: site-nav; }
.top-bar { view-transition-name: site-topbar; }
.whatsapp-float { view-transition-name: whatsapp-float; }

::view-transition-group(site-nav),
::view-transition-group(site-topbar),
::view-transition-group(whatsapp-float) {
  animation-duration: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
}

/* Fallback for browsers without cross-document View Transitions (Firefox,
   older Safari): a short fade through the page's own background colour.
   Departure: JS adds .active, waits, then navigates. Arrival: the <head>
   script sets data-page-entering so the overlay starts opaque with no
   transition; main.js removes it a frame later and the overlay fades out. */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background-color: var(--bg-main);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-smooth), visibility 0.35s var(--ease-smooth);
}

.page-transition-overlay.active {
  opacity: 1;
  visibility: visible;
}

html[data-page-entering] .page-transition-overlay {
  opacity: 1;
  visibility: visible;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-transition-overlay {
    transition-duration: 0.01s !important;
  }
}

/* The full-screen preloader belongs to the first page of a visit only;
   returning to Home from another page shouldn't show a spinner screen. */
html[data-return-visit] .preloader {
  display: none;
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary-light, var(--secondary)));
  z-index: 1100;
  transition: width 0.12s linear;
}

/* Icon 3D pop-in used for stat/service icons on scroll (paired with JS .reveal-visible toggle) */
.icon-3d-pop {
  transform: perspective(600px) rotateX(35deg) scale(0.85);
  opacity: 0;
  transition: transform 0.6s var(--ease-spring), opacity 0.6s ease;
}

.icon-3d-pop.reveal-visible {
  transform: perspective(600px) rotateX(0deg) scale(1);
  opacity: 1;
}

/* ==========================================================================
   16.6 ACCESSIBILITY: REDUCED MOTION OVERRIDES
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .hero-slide-bg,
  .page-header-bg,
  .hero-orb,
  .page-header-orb,
  .icon-3d-pop {
    animation: none !important;
    transition-duration: 0.01s !important;
  }

  .hero-slide-bg {
    transform: scale(1) !important;
  }

  .hero-slide-content > * {
    transition-duration: 0.2s !important;
    transform: none !important;
  }

  .tilt-3d {
    transition: none !important;
  }

  *, *::before, *::after {
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   16.7 SKIP-TO-CONTENT ACCESSIBILITY LINK
   ========================================================================== */
.skip-to-content {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100000;
  background: var(--primary);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 700;
  font-family: var(--font-heading);
  text-decoration: none;
  transition: top 0.25s var(--ease-spring);
  box-shadow: var(--shadow-lg);
}

.skip-to-content:focus {
  top: 0;
  color: #FFFFFF;
}

/* ==========================================================================
   16. PRINT STYLES
   ========================================================================== */
@media print {
  .navbar-custom,
  .top-bar,
  .footer,
  .preloader,
  #backToTop,
  .whatsapp-float,
  .scroll-progress,
  .hero-arrows,
  .hero-dots,
  .btn {
    display: none !important;
  }

  body {
    background-color: #FFFFFF !important;
    color: #000000 !important;
  }
}

/* Additional Dark Mode Contrast & Readability Enhancements */
[data-theme='dark'] select.form-select option,
[data-theme='dark'] select option {
  background-color: #131E34 !important;
  color: #F8FAFC !important;
}

[data-theme='dark'] .footer p,
[data-theme='dark'] .footer span,
[data-theme='dark'] .footer li,
[data-theme='dark'] .footer .text-muted,
[data-theme='dark'] .footer .text-white-50 {
  color: #CBD5E1 !important;
}

[data-theme='dark'] .footer a:not(.btn) {
  color: #94A3B8;
}

[data-theme='dark'] .footer a:not(.btn):hover {
  color: var(--primary) !important;
}

[data-theme='dark'] .badge.bg-white {
  background-color: var(--bg-alt-2) !important;
  color: #F8FAFC !important;
}

[data-theme='dark'] .lead.opacity-75,
[data-theme='dark'] .lead {
  opacity: 0.95 !important;
  color: #E2E8F0 !important;
}

[data-theme='dark'] .table,
[data-theme='dark'] .table td,
[data-theme='dark'] .table th {
  color: var(--text-body) !important;
  border-color: var(--border-color) !important;
}

[data-theme='dark'] .alert {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
}

[data-theme='dark'] .alert-success {
  background-color: rgba(5, 150, 105, 0.2) !important;
  color: #34D399 !important;
  border-color: rgba(5, 150, 105, 0.4) !important;
}

[data-theme='dark'] .alert-danger {
  background-color: rgba(220, 38, 38, 0.2) !important;
  color: #F87171 !important;
  border-color: rgba(220, 38, 38, 0.4) !important;
}

[data-theme='dark'] .glassmorphism {
  background: rgba(19, 30, 52, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Theme-aware soft badge (replaces fragile hardcoded-rgba dark mode overrides) */
.badge-soft-primary {
  background-color: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
}

[data-theme='dark'] .badge-soft-primary {
  background-color: rgba(var(--primary-rgb), 0.18);
  color: var(--primary);
}