/* ==========================================================================
   SR INTERIOR & SERVICES - Custom Master Stylesheet
   Corporate Architectural / Turnkey Interior Fit-Out & MEP Styling
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --color-primary: #F15A00;
  --color-primary-hover: #D94E00;
  --color-primary-light: rgba(241, 90, 0, 0.08);
  --color-primary-glow: rgba(241, 90, 0, 0.25);
  
  --color-charcoal-dark: #12151B;
  --color-charcoal: #1E2229;
  --color-charcoal-medium: #2D323C;
  --color-charcoal-muted: #4A4A4A;
  
  --color-surface-light: #F8FAFC;
  --color-border-subtle: #E2E8F0;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  color: #2D3748;
}

body {
  background-color: #FFFFFF;
  overflow-x: hidden;
}

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

/* 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: var(--color-primary);
}

/* Geometric Grid Background Pattern */
.bg-grid-pattern {
  background-image: radial-gradient(rgba(241, 90, 0, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

.bg-dark-grid-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.bg-blueprint-pattern {
  background-image: 
    linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Glassmorphism Classes */
.glass-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.glass-card-dark {
  background: rgba(30, 34, 41, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card-light {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

/* Subtle Glowing Accents */
.glow-primary {
  box-shadow: 0 10px 30px -5px var(--color-primary-glow);
}

.glow-hover:hover {
  box-shadow: 0 15px 35px -5px var(--color-primary-glow);
  transform: translateY(-4px);
}

/* Brand Button Styles */
.btn-primary {
  background: linear-gradient(135deg, #FF6A00 0%, #F15A00 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 14px rgba(241, 90, 0, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #F15A00 0%, #D94E00 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(241, 90, 0, 0.45);
}

.btn-secondary {
  background: #FFFFFF;
  color: #1E2229;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  border: 1.5px solid #E2E8F0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  border-color: #F15A00;
  color: #F15A00;
  background: #FFF9F5;
  transform: translateY(-2px);
}

.btn-dark {
  background: #1E2229;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  border: 1px solid #334155;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-dark:hover {
  background: #12151B;
  border-color: #F15A00;
  transform: translateY(-2px);
}

/* Architecture Timeline Line */
.timeline-step::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: 50%;
  width: 100%;
  height: 2px;
  background: #E2E8F0;
  z-index: 0;
}

.timeline-step:last-child::before {
  display: none;
}

@media (max-width: 1024px) {
  .timeline-step::before {
    display: none;
  }
}

/* Service & Project Cards Hover Effects */
.card-hover-effect {
  transition: var(--transition-smooth);
}

.card-hover-effect:hover {
  transform: translateY(-6px);
  border-color: rgba(241, 90, 0, 0.4);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.08), 0 10px 15px -5px rgba(241, 90, 0, 0.05);
}

.img-zoom-container {
  overflow: hidden;
}

.img-zoom-container img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.img-zoom-container:hover img {
  transform: scale(1.08);
}

/* Section Title Highlight */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(241, 90, 0, 0.08);
  border: 1px solid rgba(241, 90, 0, 0.2);
  border-radius: 9999px;
  color: #F15A00;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-badge-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(241, 90, 0, 0.15);
  border: 1px solid rgba(241, 90, 0, 0.3);
  border-radius: 9999px;
  color: #FF8533;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Lightbox overlay styling */
#lightboxModal {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#lightboxModal.active {
  opacity: 1;
  visibility: visible;
}

/* Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Table Styling */
.table-container {
  scrollbar-width: thin;
  scrollbar-color: #CBD5E1 #F8FAFC;
}

/* Toast Notification */
#toast {
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Custom Checkmark for Quality items */
.check-item {
  position: relative;
  padding-left: 2rem;
}
.check-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.35rem;
  height: 1.35rem;
  background: #F15A00;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Active Nav State */
.nav-link.active {
  color: #F15A00 !important;
  font-weight: 700;
}
.nav-link.active::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background: #F15A00;
  margin-top: 2px;
  border-radius: 2px;
}

/* ==========================================================================
   Hero Slider Styles
   ========================================================================== */
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s ease;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 10;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 7s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1.08);
}

.hero-slide-content {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

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

.hero-slide-badge {
  opacity: 0;
  transform: translateY(-15px);
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

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

.hero-slide-cta {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.45s, transform 0.6s ease 0.45s;
}

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

/* Slide Indicators */
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.35);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.hero-dot.active {
  width: 36px;
  background-color: #F15A00;
  box-shadow: 0 0 12px rgba(241, 90, 0, 0.6);
}

.hero-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: #F15A00;
  width: 0%;
  transition: width 5.5s linear;
  z-index: 30;
}

.hero-slide-nav-btn {
  background: rgba(18, 21, 27, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  transition: all 0.3s ease;
}

/* ==========================================================================
   Navigation Dropdown Menu
   ========================================================================== */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 50;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav-dropdown-chevron {
  transition: transform 0.25s ease;
}

.nav-dropdown:hover .nav-dropdown-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}