/* ==========================================================================
   Ultra Painting — Custom Stylesheet & Design Tokens
   ========================================================================== */

/* Design Tokens & CSS Custom Properties */
:root {
  --color-primary-lime: #D9F500;
  --color-brand-green: #25B84A;
  --color-brand-green-dark: #1b8a36;
  --color-deep-navy: #0D3049;
  --color-dark-navy: #09263B;
  --color-charcoal: #101820;
  --color-heading: #171B20;
  --color-body: #505A63;
  --color-muted: #8A939A;
  --color-white: #FFFFFF;
  --color-soft-bg: #F8FAF9;
  --color-border: #E5E9E7;
  --color-warm-accent: #D85A2A;

  --brand-gradient: linear-gradient(105deg, #D9F500 0%, #25B84A 100%);
  --brand-gradient-hover: linear-gradient(105deg, #E6FA33 0%, #2CD857 100%);
  --dark-gradient: linear-gradient(180deg, #071F32 0%, #0A283E 100%);

  --container-max-width: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(16, 24, 32, 0.05);
  --shadow-md: 0 8px 24px rgba(16, 24, 32, 0.08);
  --shadow-lg: 0 16px 36px rgba(16, 24, 32, 0.12);
  --shadow-xl: 0 24px 50px rgba(16, 24, 32, 0.18);
  --shadow-glow: 0 6px 24px rgba(37, 184, 74, 0.35);

  --transition-fast: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #F1F4F2;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Base Smooth Scrolling & Box Sizing */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--color-body);
  background-color: #FFFFFF;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
  line-height: 1.65;
}

/* Headings Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

/* Brand Gradient Text & Background Utilities */
.text-brand-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.bg-brand-gradient {
  background: var(--brand-gradient);
}

.text-warm-accent {
  color: var(--color-warm-accent);
}

/* Button Component System */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--brand-gradient);
  color: var(--color-charcoal);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.45rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(37, 184, 74, 0.28);
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--brand-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 184, 74, 0.42);
}

.btn-primary:hover .btn-arrow-icon {
  transform: translateX(4px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-secondary-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-secondary-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.375rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-secondary-dark:hover {
  border-color: var(--color-charcoal);
  background: rgba(16, 24, 32, 0.03);
  transform: translateY(-2px);
}

.btn-circle-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: var(--color-charcoal);
  box-shadow: 0 4px 12px rgba(37, 184, 74, 0.3);
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-circle-arrow:hover {
  background: var(--brand-gradient-hover);
  transform: scale(1.08) rotate(-15deg);
  box-shadow: 0 6px 16px rgba(37, 184, 74, 0.45);
}

.btn-arrow-icon {
  transition: transform var(--transition-fast);
}

/* Accessible Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-brand-green);
  outline-offset: 3px;
}

/* Header & Mobile Fallbacks */
.site-header {
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), backdrop-filter var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 24px rgba(16, 24, 32, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

@media (max-width: 767.98px) {
  .nav-desktop-links,
  .header-desktop-cta {
    display: none !important;
  }
  #mobileMenuBtn {
    display: flex !important;
  }
}

@media (min-width: 768px) {
  #mobileMenuBtn {
    display: none !important;
  }
  .nav-desktop-links {
    display: flex !important;
  }
  .header-desktop-cta {
    display: flex !important;
  }
}

/* Hero Section Subtle Image Zoom Animation */
.hero-bg-zoom {
  animation: heroKenBurns 20s ease-in-out infinite alternate;
  transform-origin: center center;
}

@keyframes heroKenBurns {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.05);
  }
}

/* Wave Divider */
.hero-curve-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  pointer-events: none;
}

.hero-curve-divider svg {
  position: relative;
  display: block;
  width: 100%;
  height: 60px;
}

@media (min-width: 768px) {
  .hero-curve-divider svg {
    height: 80px;
  }
}

/* Glassmorphism & Translucent Hero Card */
.glass-hero-card {
  background: rgba(16, 24, 32, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
}

/* Input Fields on Dark Surfaces */
.form-input-dark {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  color: #FFFFFF;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.form-input-dark::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-input-dark:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary-lime);
  box-shadow: 0 0 0 3px rgba(217, 245, 0, 0.25);
  outline: none;
}

/* Service Carousel Custom Styling */
.services-carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 450ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.service-card {
  flex: 0 0 270px;
  max-width: 270px;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: transform 300ms ease, box-shadow 300ms ease;
  user-select: none;
  background: #F1F4F2;
}

@media (min-width: 640px) {
  .service-card {
    flex: 0 0 290px;
    max-width: 290px;
    height: 400px;
  }
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Project Gallery Image Zoom & Overlay */
.project-card-image {
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-card-image {
  transform: scale(1.06);
}

/* Filter Button Active State */
.project-filter-btn {
  transition: all var(--transition-fast);
}

.project-filter-btn.active {
  background: var(--brand-gradient);
  color: var(--color-charcoal);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 184, 74, 0.25);
}

/* Metric Counter Cards */
.metric-card {
  background: rgba(8, 34, 54, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(217, 245, 0, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* Video Thumbnail Overlap */
.video-overlap-container {
  margin-top: -60px;
  position: relative;
  z-index: 20;
}

@media (min-width: 768px) {
  .video-overlap-container {
    margin-top: -120px;
  }
}

/* Play Button Pulse Animation */
.play-btn-pulse {
  position: relative;
}

.play-btn-pulse::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: var(--color-primary-lime);
  opacity: 0.5;
  animation: pulseRipple 2.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  z-index: -1;
}

@keyframes pulseRipple {
  0% {
    transform: scale(0.9);
    opacity: 0.7;
  }
  70% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}

/* Native Dialog & Backdrop Styles */
dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: min(92vw, 980px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

dialog::backdrop {
  background-color: rgba(9, 38, 59, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

dialog[open] {
  animation: dialogFadeIn 250ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes dialogFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Scroll Reveal Animations - Resilient Progressive Enhancement */
.reveal-on-scroll {
  opacity: 1;
  transform: none;
  transition: opacity 550ms cubic-bezier(0.16, 1, 0.3, 1), transform 550ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.will-reveal {
  opacity: 0;
  transform: translateY(20px);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* Testimonials Card */
.testimonial-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 184, 74, 0.4);
}

/* Mobile Navigation Panel */
.mobile-nav-drawer {
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1), visibility 320ms;
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-nav-backdrop {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 300ms ease, visibility 300ms;
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Floating Status Indicator */
.status-dot-pulse {
  position: relative;
  display: inline-flex;
}

.status-dot-pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: #25B84A;
  animation: pulseDot 2s infinite;
  opacity: 0.75;
}

@keyframes pulseDot {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* Accessibility: Reduced Motion */
@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;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-bg-zoom {
    animation: none !important;
  }

  .play-btn-pulse::before {
    animation: none !important;
  }
}