/* ==========================================================================
   SUNSHINE 3D MODELS - PREMIUM VIBRANT EMERALD GREEN STYLESHEET
   Design Palette: Vibrant Emerald Green (#059669) + Titanium Dark (#0F172A) + Coral (#F97316)
   Founder: Mr. Sasikumar (20+ Years Experience)
   ========================================================================== */

/* Custom Properties & Color Tokens */
:root {
  --color-primary: #059669;
  --color-primary-hover: #047857;
  --color-primary-light: #ECFDF5;
  --color-secondary: #0F172A;
  --color-secondary-light: #F1F5F9;
  --color-accent: #F97316;
  --color-accent-light: #FFF7ED;
  --color-bg: #F8FAFC;
  --color-card: #FFFFFF;
  --color-light-gray: #F1F5F9;
  --color-border: #E2E8F0;
  --color-text: #0F172A;
  --color-text-muted: #64748B;
  --color-success: #059669;
  
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px -2px rgba(5, 150, 105, 0.1);
  --shadow-card: 0 12px 32px -8px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 24px 48px -12px rgba(5, 150, 105, 0.25), 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 40px 0 rgba(5, 150, 105, 0.3);
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #F8FAFC;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 5px;
  border: 2px solid #F8FAFC;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  letter-spacing: -0.025em;
  font-weight: 700;
}

.gradient-text-primary {
  background: linear-gradient(135deg, #059669 0%, #0D9488 50%, #F97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-accent {
  background: linear-gradient(135deg, #F97316 0%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Preloader */
#preloader {
  position: fixed;
  inset: 0;
  background-color: #F8FAFC;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  animation: preloaderFallback 0.5s 1.2s forwards;
}

#preloader.loaded {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  display: none !important;
}

@keyframes preloaderFallback {
  to {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

.loader-spinner {
  width: 56px;
  height: 56px;
  border: 4px solid #E2E8F0;
  border-top-color: #059669;
  border-right-color: #F97316;
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* FULL VIEWPORT HERO BACKGROUND STYLING WITH BLACK OVERLAY */
.hero-bg-custom {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('assets/images/hero-bg.jpg') center center / cover no-repeat !important;
  background-color: #000000 !important;
  min-height: 100vh !important;
  width: 100% !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg-custom h1,
.hero-bg-custom h1 span,
.hero-bg-custom p,
.hero-bg-custom .text-2xl,
.hero-bg-custom .text-3xl {
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.95), 0 1px 6px rgba(0, 0, 0, 1) !important;
}

/* Glass & Card Utilities */
.light-glass {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.light-glass-nav {
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.nav-scrolled {
  background: rgba(255, 255, 255, 0.96) !important;
  box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.card-luxury {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid #E2E8F0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-luxury:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(5, 150, 105, 0.3);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #FFFFFF;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.45);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 32px -6px rgba(5, 150, 105, 0.55);
  background: linear-gradient(135deg, #047857 0%, #065F46 100%);
}

.btn-secondary {
  background: #FFFFFF;
  color: #0F172A;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  border: 1px solid #CBD5E1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #F1F5F9;
  border-color: #94A3B8;
  transform: translateY(-2px);
  color: #059669;
}

/* Marquee */
.marquee-wrapper {
  display: flex;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-content {
  display: flex;
  gap: 3rem;
  animation: scrollMarquee 30s linear infinite;
  white-space: nowrap;
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Enhanced Scroll & Content Loading Animations */
.reveal-init {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-up {
  transform: translateY(40px);
}

.fade-down {
  transform: translateY(-40px);
}

.fade-left {
  transform: translateX(-40px);
}

.fade-right {
  transform: translateX(40px);
}

.zoom-in {
  transform: scale(0.92);
}

.zoom-out {
  transform: scale(1.06);
}

.revealed {
  opacity: 1 !important;
  transform: translate(0, 0) scale(1) !important;
}

@keyframes fadeInUpSmooth {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(5, 150, 105, 0.3);
  }
  50% {
    box-shadow: 0 0 35px rgba(5, 150, 105, 0.6);
  }
}

.animate-fade-in-up {
  animation: fadeInUpSmooth 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Tabs */
.tab-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.tab-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
}

/* Timeline line */
.process-line-fill {
  transition: width 1s ease-in-out;
}

.process-step-node.active {
  background: #059669;
  color: #FFFFFF;
  box-shadow: 0 0 0 6px rgba(5, 150, 105, 0.2);
}

/* Modal overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 9990;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content::-webkit-scrollbar {
  width: 6px;
}

.modal-content::-webkit-scrollbar-track {
  background: #F1F5F9;
  border-radius: 9999px;
}

.modal-content::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 9999px;
}

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

.modal-overlay.open .modal-content {
  transform: scale(1) translateY(0);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #FFFFFF;
  color: #0F172A;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  border-left: 4px solid #059669;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Back to Top & WhatsApp Floating Action Stack */
#backToTop {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #059669;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(5, 150, 105, 0.4);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border: none;
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
}

#backToTop:hover {
  transform: translateY(-4px) scale(1.05);
  background: #047857;
}

#whatsappFloat {
  width: 52px;
  height: 52px;
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* Video Modal Custom Alignment & Animation */
#videoModal {
  padding: 3.5rem 1rem 1.5rem 1rem;
}

#videoModal > div {
  transform: scale(0.92) translateY(15px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#videoModal.open > div {
  transform: scale(1) translateY(0);
}

@media (max-width: 640px) {
  #videoModal {
    padding: 3.5rem 0.625rem 1rem 0.625rem;
  }
}