/* ================================================
   HEPEG — Design System & Styles
   Premium Power Electronics Engineering Website
   ================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=Poppins:wght@400;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #000000;
  --color-bg-surface: #0a0a0a;
  --color-accent: #3BFF12;
  --color-accent-dim: #2A7C6F;
  --color-accent-glow: rgba(59, 255, 18, 0.15);
  --color-text: #FFFFFF;
  --color-text-muted: #7E857D;
  --color-card-bg: rgba(25, 25, 25, 0.55);
  --color-card-border: rgba(59, 255, 18, 0.08);
  --color-divider: rgba(59, 255, 18, 0.06);
  --color-overlay: rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-primary: 'Montserrat', sans-serif;
  --font-display: 'Montserrat', sans-serif;
  --font-poppins: 'Poppins', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 90px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 100px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;

  /* Disable text selection and copying globally */
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Allow text selection inside input fields, textareas, and editable items */
input,
textarea,
[contenteditable="true"] {
  -webkit-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-padding {
  padding: var(--space-3xl) 0;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Section Headings --- */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.125rem);
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2.5vw, 1.5625rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-subtitle span {
  display: block;
  font-weight: 400;
  margin-top: 0.5rem;
}

/* --- Accent Divider Line --- */
.accent-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  border: none;
  margin: var(--space-md) auto;
  border-radius: 2px;
}

/* --- Animated Electric Signal Divider --- */
.electric-divider {
  width: 100%;
  max-width: 650px; /* Increased to cover the wide header text */
  height: 30px; /* Increased from 20px to accommodate a taller wave amplitude */
  display: block;
  margin: var(--space-md) auto;
  /* Smooth fade-out on the ends to prevent hard cropping */
  mask-image: linear-gradient(to right, transparent 0%, #000 15%, #000 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 15%, #000 85%, transparent 100%);
}



#drawer-electric-divider {
  max-width: 300px; /* Keep drawer divider compact */
}

.electric-pulse {
  stroke-dasharray: 60, 300;
  stroke-dashoffset: 360;
  animation: electric-flow 2.5s linear infinite;
}

@keyframes electric-flow {
  0% {
    stroke-dashoffset: 360;
  }
  100% {
    stroke-dashoffset: 0;
  }
}


/* --- Glassmorphism Card --- */
.glass-card {
  background: var(--color-card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.2s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.glass-card.hovered {
  transform: translateY(-4px);
  box-shadow: 0 8px 40px var(--color-accent-glow);
  border-color: rgba(59, 255, 18, 0.2);
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered children delay */
.reveal-stagger > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger > *:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger > *:nth-child(8) { transition-delay: 0.56s; }
.reveal-stagger > *:nth-child(9) { transition-delay: 0.64s; }
.reveal-stagger > *:nth-child(10) { transition-delay: 0.72s; }
.reveal-stagger > *:nth-child(11) { transition-delay: 0.80s; }
.reveal-stagger > *:nth-child(12) { transition-delay: 0.88s; }

/* ================================================
   HEADER / NAVIGATION
   ================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: height var(--transition-base);
}

/* Glass background pseudo-element to blend header instead of a hard crop */
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 160px; /* Taller background to extend the blend zone */
  z-index: -1;
  background-color: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  mask-image: linear-gradient(to bottom, #000 65px, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 65px, transparent 100%);
  border-bottom: 1px solid rgba(59, 255, 18, 0.02);
  pointer-events: none; /* Let pointer events pass through to underlying elements */
  transition: height var(--transition-base),
              background-color var(--transition-base),
              backdrop-filter var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.site-header.scrolled {
  height: 70px;
}

.site-header.scrolled::before {
  height: 70px; /* Match header height exactly */
  background-color: rgba(0, 0, 0, 0.75); /* Darker overlay for readability */
  backdrop-filter: blur(20px); /* Clean blur overlay */
  -webkit-backdrop-filter: blur(20px);
  mask-image: none; /* Remove fade-out mask to keep header solid */
  -webkit-mask-image: none;
  border-bottom: 1px solid rgba(59, 255, 18, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.55);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header-logo img {
  height: 65px; /* Premium larger size */
  width: auto;
  transition: height var(--transition-base);
}

.site-header.scrolled .header-logo img {
  height: 48px; /* Shrinks cleanly on scroll */
}

.header-logo a {
  display: flex;
  align-items: center;
}

/* Desktop Nav */
.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.header-cta {
  display: none;
}

.header-nav a:not(.btn-cta) {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
}

.header-nav a:not(.btn-cta)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.header-nav a:not(.btn-cta):hover {
  color: var(--color-accent);
}

.header-nav a:not(.btn-cta):hover::after {
  width: 100%;
}

.btn-cta,
.btn-cta-solid {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 220px;
  height: 50px;
  padding: 0;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg) !important; /* Black text by default on green background */
  background: var(--color-accent); /* Solid green background by default */
  border: 1px solid var(--color-accent); /* 1px border */
  border-radius: var(--radius-pill);
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
  transition: color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

/* Rotating gradient overlay behind border */
.btn-cta::before,
.btn-cta-solid::before {
  content: '';
  position: absolute;
  top: -150%;
  left: -150%;
  width: 400%;
  height: 400%;
  background: conic-gradient(
    transparent 0deg,
    transparent 120deg,
    var(--color-accent) 180deg,
    transparent 240deg,
    transparent 360deg
  );
  animation: rotate-electric 2s linear infinite;
  z-index: -2;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

/* Inner masking to maintain transparent background with 1px border thickness */
.btn-cta::after,
.btn-cta-solid::after {
  content: '';
  position: absolute;
  inset: 1px; /* 1px electric border thickness */
  background: var(--color-bg); /* Match section background */
  border-radius: var(--radius-pill);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base), background-color var(--transition-base);
  pointer-events: none;
}

/* Hover state overrides - Outline look with electric signal */
.btn-cta:hover,
.btn-cta-solid:hover {
  border-color: transparent;
  background: transparent;
  color: var(--color-accent) !important;
  box-shadow: 0 0 25px rgba(59, 255, 18, 0.4);
}

.btn-cta:hover::before,
.btn-cta-solid:hover::before {
  opacity: 1;
}

.btn-cta:hover::after,
.btn-cta-solid:hover::after {
  opacity: 1;
  background: rgba(0, 0, 0, 0.95);
}

.btn-cta:disabled,
.btn-cta-solid:disabled {
  background: rgba(255, 255, 255, 0.05) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  color: rgba(255, 255, 255, 0.25) !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
  pointer-events: none !important;
}

.btn-cta:disabled::before,
.btn-cta-solid:disabled::before,
.btn-cta:disabled::after,
.btn-cta-solid:disabled::after {
  display: none !important;
}

@keyframes rotate-electric {
  100% {
    transform: rotate(360deg);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85vw;
  max-width: 310px;
  height: 100%;
  background: rgba(0, 0, 0, 0.78); /* Slightly transparent background for glassmorphism */
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 1050; /* Above site-header logo */
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* Stack items from the top to bring them more up */
  align-items: center;
  padding: 100px var(--space-md) var(--space-xl) var(--space-md); /* Position starting point near top */
  gap: 1.25rem; /* More space between menu lines */
  transition: right var(--transition-smooth);
  border-left: 1px solid var(--color-divider);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.6);
}

.mobile-nav.open {
  right: 0;
}

/* Stacking context correction for mobile menu active state */
body.mobile-menu-open .site-header {
  z-index: 1100; /* Lift header above drawer so toggle is visible */
}

/* Hide header logo when drawer is open to prevent overlap and draw focus */
body.mobile-menu-open .site-header .header-logo {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-menu-toggle.active span {
  background: var(--color-accent);
}

@media (hover: hover) {
  .mobile-menu-toggle:hover span {
    background: var(--color-accent);
  }
}

.mobile-nav-logo {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem; /* Increased space below logo */
}

.mobile-nav-logo img {
  height: 40px;
  width: auto;
  filter: none; /* Remove filters so the logo shows in full color/brightness */
  opacity: 0.9; /* Bring opacity up from 0.2 to 0.9 for high visibility */
  transition: opacity var(--transition-base);
}

.mobile-nav-logo img:hover {
  opacity: 1;
}

.mobile-nav a:not(.btn-cta) {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem; /* Increased vertical padding for more line spacing and better tap targets */
}

.mobile-nav a:not(.btn-cta):hover {
  color: var(--color-accent);
}

.mobile-nav .btn-cta {
  width: calc(100% - 48px); /* Leaves a safe 24px margin on both sides */
  max-width: 220px;
  margin-top: var(--space-xs);
}

/* --- Sequential entrance animations for mobile nav items --- */
.mobile-nav-logo,
.mobile-nav a:not(.btn-cta) {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.25s ease, transform 0.25s ease, color var(--transition-fast);
}

.mobile-nav .btn-cta {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.25s ease, transform 0.25s ease, color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-nav.open .mobile-nav-logo {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter var(--transition-base);
  transition-delay: 0.1s;
}

.mobile-nav.open a:not(.btn-cta) {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), color var(--transition-fast);
}

.mobile-nav.open .btn-cta {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-nav.open a:nth-of-type(1) { transition-delay: 0.15s; }
.mobile-nav.open a:nth-of-type(2) { transition-delay: 0.2s; }
.mobile-nav.open a:nth-of-type(3) { transition-delay: 0.25s; }
.mobile-nav.open a:nth-of-type(4) { transition-delay: 0.3s; }
.mobile-nav.open a:nth-of-type(5) { transition-delay: 0.35s; }
.mobile-nav.open a:nth-of-type(6) { transition-delay: 0.4s; }

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1040; /* Above site-header but below mobile-nav */
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-toggle.active {
  position: fixed;
  right: var(--space-md);
  top: 22px;
  z-index: 1100; /* Floating above the mobile menu */
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center; /* Center horizontally */
  overflow: hidden;
  padding-top: var(--header-height); /* Offset for the fixed header above the fold */
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.5) 40%,
    rgba(0, 0, 0, 0.3) 100%
  );
}

/* Subtle animated gradient glow at bottom */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-xl) var(--space-md);
  text-align: center; /* Center text */
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  font-size: clamp(2.2rem, 6vw, 4.0625rem);
}

.hero-content .electric-divider {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1.2;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
  font-size: clamp(1.75rem, 4.5vw, 3.25rem);
}

/* ================================================
   SERVICES SECTION
   ================================================ */
.services-section {
  background: transparent;
  position: relative;
}

/* Service Area Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.service-card {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Removed in favor of icons */ .service-card-indicator-disabled {
  width: 4px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 0 auto var(--space-md);
  opacity: 0.7;
  transition: height var(--transition-base), opacity var(--transition-base);
}

.service-card.hovered /* Removed in favor of icons */ .service-card-indicator-disabled {
  height: 55px;
  opacity: 1;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.service-card[role="button"] {
  cursor: pointer;
}

.service-card-more {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-sm);
  transition: color var(--transition-fast);
}

.service-card.hovered .service-card-more {
  color: var(--color-text);
}

/* Detailed Service List */
.services-detailed-heading {
  font-size: clamp(1.1rem, 2.5vw, 1.5625rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.services-list-wrapper {
  max-width: 960px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-xl) var(--space-lg);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
}

/* Hover lift on list wrapper similar to card hover */
.services-list-wrapper:hover {
  border-color: rgba(59, 255, 18, 0.15);
  box-shadow: 0 8px 40px var(--color-accent-glow);
}

.services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.services-list li {
  font-family: var(--font-primary);
  font-size: clamp(0.9rem, 1.8vw, 1.125rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.1em;
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  break-inside: avoid;
  line-height: 1.8;
}

.services-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.6;
}

/* ================================================
   PRODUCTS SECTION
   ================================================ */
.products-section {
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}

/* Gradient divider at top */
.products-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
  opacity: 0.3;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

/* Premium Merged Product Card */
.product-card {
  display: flex;
  flex-direction: column;
  padding: 0 !important; /* Reset layout padding */
  overflow: hidden;
  border-radius: var(--radius-md);
  height: 100%;
  position: relative; /* Establish relative positioning for absolute child elements like corner highlights */
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.2s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  box-shadow: 0 4px 20px rgba(59, 255, 18, 0.05); /* Subtle green glow always */
  border-color: rgba(59, 255, 18, 0.15) !important; /* Slightly greener border */
}

.product-card[role="button"] {
  cursor: pointer;
}

.product-card.hovered {
  transform: translateY(-6px); /* Hover lift */
  box-shadow: 0 0 30px rgba(59, 255, 18, 0.45) !important; /* Beautiful glowing green light */
  border-color: rgba(59, 255, 18, 0.5) !important;
}

/* Glowing green corners */
.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  pointer-events: none;
  background: 
    /* Top Left */
    linear-gradient(to bottom, var(--color-accent) 2px, transparent 2px) 0 0 / 15px 15px no-repeat,
    linear-gradient(to right, var(--color-accent) 2px, transparent 2px) 0 0 / 15px 15px no-repeat,
    /* Top Right */
    linear-gradient(to bottom, var(--color-accent) 2px, transparent 2px) 100% 0 / 15px 15px no-repeat,
    linear-gradient(to left, var(--color-accent) 2px, transparent 2px) 100% 0 / 15px 15px no-repeat,
    /* Bottom Left */
    linear-gradient(to top, var(--color-accent) 2px, transparent 2px) 0 100% / 15px 15px no-repeat,
    linear-gradient(to right, var(--color-accent) 2px, transparent 2px) 0 100% / 15px 15px no-repeat,
    /* Bottom Right */
    linear-gradient(to top, var(--color-accent) 2px, transparent 2px) 100% 100% / 15px 15px no-repeat,
    linear-gradient(to left, var(--color-accent) 2px, transparent 2px) 100% 100% / 15px 15px no-repeat;
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  filter: drop-shadow(0 0 4px var(--color-accent));
  z-index: 5;
}

.product-card.hovered::after,
.product-card:active::after,
.product-card.touch-active::after {
  opacity: 1;
}

.product-card[role="button"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.product-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: #050505;
  border-bottom: 1px solid var(--color-card-border);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s cubic-bezier(0.25, 1, 0.5, 1);
}

.product-card.hovered .product-card-image img {
  transform: scale(1.1); /* Hover zoom in inside card */
}

.product-card-content {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
  margin-bottom: 0.5rem;
}

.product-card-desc {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.01em;
  line-height: 1.4;
}

/* ================================================
   ABOUT SECTION
   ================================================ */
.about-section {
  position: relative;
  overflow: hidden;
}

.about-section.section-padding {
  padding-top: calc(var(--space-3xl) / 2); /* Move about section content up */
}

.about-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 0;
}

.about-inner {
  position: relative;
  z-index: 1;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center; /* Center alignment vertically */
}

.about-grid + .about-grid {
  margin-top: var(--space-3xl);
}

.about-text-block {
  width: 100%;
}

.about-text-block h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  letter-spacing: 0em;
}

.about-subsection-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 0; /* Reset */
  margin-bottom: var(--space-sm);
  font-style: normal;
}

.about-text-block p {
  font-size: 1.1875rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  text-align: justify;
}

.about-text-block p strong {
  font-weight: 700;
}

.about-text-block ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
}

.about-text-block ul li {
  font-size: 1.1875rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

/* HEPEG acronym styling */
.hepeg-letter {
  color: var(--color-accent);
  font-weight: 700;
}

/* Premium Image layout and hover */
.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.about-image-wrapper {
  max-width: 85%;
  margin: 0 auto;
}

.about-image-caption {
  text-align: right;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.about-image-caption .caption-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.about-image-caption .caption-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.about-image:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 45px var(--color-accent-glow);
  border-color: rgba(59, 255, 18, 0.2);
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* --- Drawer Link Toggles in About Section --- */
.about-drawer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: var(--space-sm);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
  border: none;
  background: none;
  outline: none;
}

.about-drawer-btn:hover {
  color: var(--color-text);
}

.about-drawer-btn::after {
  content: ' →';
  font-family: inherit;
  transition: transform var(--transition-base);
  display: inline-block;
}

.about-drawer-btn:hover::after {
  transform: translateX(4px);
}

/* ================================================
   EXPERIENCE SECTION
   ================================================ */
.experience-section {
  background: transparent;
  position: relative;
}

/* Gradient divider at top */
.experience-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
  opacity: 0.3;
}

.experience-image {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.experience-image:hover {
  border-color: rgba(59, 255, 18, 0.15);
  box-shadow: 0 8px 40px var(--color-accent-glow);
}

.experience-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ================================================
   CONTACT SECTION
   ================================================ */
.contact-section {
  position: relative;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.contact-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: absolute;
  inset: 0;
}

.contact-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

/* Gradient divider at top */
.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
  opacity: 0.3;
  z-index: 2;
}

.contact-inner {
  position: relative;
  z-index: 2;
}

.contact-subtitle {
  font-family: var(--font-poppins);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  line-height: 1.4;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-mobile-btn-wrapper {
  display: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  stroke: var(--color-accent);
  stroke-width: 1.75px;
  fill: none;
  transition: stroke var(--transition-fast);
}

.contact-item:hover .contact-icon {
  stroke: var(--color-text-muted);
}

.contact-item-text h3 {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

.contact-item-text h3 a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.contact-item-text h3 a:hover {
  color: var(--color-accent);
}

.linkedin-wrapper {
  display: flex;
}

.contact-linkedin {
  display: inline-block;
  transition: opacity var(--transition-fast);
}

.contact-linkedin:hover {
  opacity: 0.7;
}

.contact-linkedin img {
  height: 41px;
  width: auto;
}

/* Contact Form */
.contact-form-wrapper {
  padding: var(--space-xl);
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 255, 18, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit-btn {
  width: 100% !important;
  max-width: 100% !important;
  align-self: stretch;
}

/* Custom Slide-to-Verify Captcha styling */
.verify-container {
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.slider-track {
  position: relative;
  height: 50px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.slider-track.active-drag {
  border-color: rgba(59, 255, 18, 0.3);
}

.slider-track.verified {
  border-color: var(--color-accent);
  background: rgba(59, 255, 18, 0.04);
  box-shadow: 0 0 15px rgba(59, 255, 18, 0.15);
}

.slider-text {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  z-index: 2;
  transition: color var(--transition-base), opacity var(--transition-base);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.slider-track.verified .slider-text {
  color: var(--color-accent);
  text-shadow: 0 0 8px rgba(59, 255, 18, 0.3);
}

.slider-handle {
  position: absolute;
  left: 3px;
  top: 3px;
  width: 44px;
  height: 42px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: calc(var(--radius-sm) - 2px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  z-index: 3;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.slider-handle:active {
  cursor: grabbing;
  background: rgba(255, 255, 255, 0.15);
}

.slider-handle svg {
  width: 18px;
  height: 18px;
  stroke: rgba(255, 255, 255, 0.75);
  stroke-width: 2.5px;
  transition: stroke var(--transition-fast), transform var(--transition-fast);
}

.slider-handle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.slider-track.verified .slider-handle {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 12px rgba(59, 255, 18, 0.6);
  cursor: default;
}

.slider-track.verified .slider-handle svg {
  stroke: #000000;
  transform: scale(1.1);
}

/* Green fill that follows the handle as it slides */
.slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: rgba(59, 255, 18, 0.12);
  z-index: 1;
  pointer-events: none;
}

.slider-track.verified .slider-fill {
  background: rgba(59, 255, 18, 0.15);
  width: 100% !important;
  transition: width var(--transition-smooth);
}

.form-success {
  display: none;
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-accent);
  text-align: center;
  padding: var(--space-xl) 0;
  line-height: 1.4;
}

.form-success.visible {
  display: block;
}

/* ================================================
   PRODUCT DRAWER
   ================================================ */
.product-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 1099;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.product-drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.product-drawer {
  position: fixed;
  top: 0;
  right: 0;
  transform: translateX(100%);
  width: 100%;
  max-width: 560px;
  height: 100dvh;
  background-color: #080907; /* Sleek extremely dark green-black */
  border-left: 1px solid rgba(59, 255, 18, 0.35); /* Glowing green border */
  z-index: 1100;
  box-shadow: -10px 0 45px rgba(0, 0, 0, 0.85), -3px 0 25px rgba(59, 255, 18, 0.25); /* Glowing green light left-side shadow */
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  zoom: 1 !important;
}

.product-drawer.open {
  transform: translateX(0);
}

/* Drawer Scroll Down Indicator */
.drawer-scroll-indicator {
  position: absolute;
  bottom: 96px; /* Positioned above the sticky CTA wrapper */
  left: 50%;
  transform: translateX(-50%);
  z-index: 1120; /* Above drawer-inner content */
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none; /* Let clicks pass through it */
  opacity: 0.8;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  animation: bounceGlow 2s infinite ease-in-out;
}

.drawer-scroll-indicator i {
  color: var(--color-accent);
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 0 8px var(--color-accent));
}

.drawer-scroll-indicator.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes bounceGlow {
  0%, 100% {
    transform: translate(-50%, 0);
    opacity: 0.45;
  }
  50% {
    transform: translate(-50%, 8px);
    opacity: 0.95;
    filter: drop-shadow(0 0 12px var(--color-accent));
  }
}

.product-drawer-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: rgba(10, 10, 10, 0.5); /* Semi-transparent dark background */
  border: 1.5px solid rgba(59, 255, 18, 0.4); /* Green border */
  border-radius: 50%;
  color: var(--color-accent); /* Green X */
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  opacity: 0.5; /* Muted by default */
  box-shadow: 0 0 15px rgba(59, 255, 18, 0.25); /* Subtle green glow */
  transition: opacity var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.product-drawer-close:hover {
  opacity: 1;
  background: rgba(59, 255, 18, 0.15);
  border-color: var(--color-accent);
  box-shadow: 0 0 25px rgba(59, 255, 18, 0.6);
  transform: scale(1.08); /* Hover scale animation */
}

.floating-close-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: rgba(10, 10, 10, 0.5);
  border: 1.5px solid rgba(59, 255, 18, 0.4);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 2rem;
  display: none; /* Hide on desktop version */
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 2000;
  opacity: 0.5;
  box-shadow: 0 0 15px rgba(59, 255, 18, 0.25);
  transition: opacity var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  line-height: 1;
}

.floating-close-btn:hover {
  opacity: 1;
  background: rgba(59, 255, 18, 0.15);
  border-color: var(--color-accent);
  box-shadow: 0 0 25px rgba(59, 255, 18, 0.6);
  transform: scale(1.08);
}

/* Grab handle for mobile bottom sheet */
.product-drawer-handle {
  display: none;
}

/* Scroll to Top Button (Hidden on Desktop) */
.scroll-to-top-btn {
  display: none;
}

/* Body Scroll Lock for Modal/Drawer views */
body.body-scroll-lock {
  overflow: hidden;
  height: 100%;
}

@media (max-width: 768px) {
  .hero {
    min-height: 100dvh; /* Spans the full viewport height on mobile to hide next section's text below the fold */
  }

  .hero-content {
    padding: var(--space-md) var(--space-md);
  }

  .hero-title {
    margin-bottom: 0 !important;
  }

  .hero-content .electric-divider {
    margin-top: var(--space-md) !important;
    margin-bottom: var(--space-md) !important;
  }

  .hero-tagline {
    margin-top: 0 !important;
    margin-bottom: 5.5rem !important; /* Brought down the get in touch button */
  }

  .services-section {
    padding-top: var(--space-2xl) !important;
  }

  .service-card {
    padding: var(--space-md) var(--space-sm) !important;
  }

  .service-card h3 {
    font-size: 1.05rem !important;
    line-height: 1.3 !important;
    text-align: center !important;
  }

  .services-grid {
    margin-bottom: 10px !important;
  }

  .services-divider-container,
  .products-divider-container {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    transform: none !important;
  }

  .products-section .section-subtitle {
    margin-bottom: 6px !important; /* Bring 3-dot animation even closer to text on mobile */
  }

  .services-list-wrapper {
    margin-top: 0 !important;
    padding: var(--space-lg) var(--space-md) !important;
  }

  .section-padding {
    padding: var(--space-lg) 0;
  }

  .about-section.section-padding {
    padding-top: calc(var(--space-lg) / 2); /* Move about section content up on mobile */
  }

  .site-footer {
    padding: var(--space-sm) 0;
  }

  .footer-text,
  .footer-link {
    font-size: 0.75rem !important;
  }

  /* Privacy Policy mobile optimizations */
  .privacy-card {
    padding: var(--space-lg) var(--space-md) !important;
  }

  .privacy-content p,
  .privacy-content ul {
    font-size: 0.875rem !important;
    line-height: 1.7 !important;
  }

  .privacy-date {
    font-size: 0.8rem !important;
    margin-bottom: var(--space-md) !important;
  }

  .privacy-content h2 {
    margin-top: var(--space-lg) !important;
    margin-bottom: var(--space-sm) !important;
  }

  /* Reduce vertical spacing between About subsections on mobile */
  .about-grid + .about-grid {
    margin-top: var(--space-xl) !important;
  }

  /* Reduce padding on mobile to let the client logo image grow larger */
  .experience-image {
    padding: var(--space-lg) var(--space-xs);
  }

  /* Center the LinkedIn logo wrapper on mobile */
  .linkedin-wrapper {
    justify-content: center;
  }

  /* Disable hover lift and zoom animations on mobile to prevent jumpy scrolling */
  .glass-card.hovered,
  .product-card.hovered,
  .about-image:hover {
    transform: none !important;
    box-shadow: 0 4px 20px rgba(59, 255, 18, 0.05) !important;
  }

  .product-card.hovered .product-card-image img {
    transform: none !important;
  }

  /* Disable scroll reveal entrance animations on mobile for instant loading */
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* Active/touch feedback on mobile (green glow when pressed/held) */
  .product-card:active,
  .product-card.touch-active,
  .service-card:active,
  .glass-card:active {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 25px rgba(59, 255, 18, 0.45) !important;
    transition: box-shadow 0.1s ease, border-color 0.1s ease;
  }

  /* Scroll to Top Button (Mobile version) */
  .scroll-to-top-btn {
    display: flex;
    position: fixed;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 255, 18, 0.25);
    color: var(--color-accent);
    align-items: center;
    justify-content: center;
    z-index: 1045; /* Under navigation menu overlay but above content */
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  }

  .scroll-to-top-btn.visible {
    opacity: 0.4; /* 60% transparent by default */
    visibility: visible;
  }

  .scroll-to-top-btn:hover,
  .scroll-to-top-btn:active {
    opacity: 0.9;
    transform: scale(1.08);
    background: rgba(10, 10, 10, 0.95);
    border-color: var(--color-accent);
    box-shadow: 0 6px 20px var(--color-accent-glow);
  }

  .site-header {
    z-index: 1200 !important; /* Keep header on top of the product details drawer */
  }

  body.mobile-menu-open .site-header {
    z-index: 1305 !important; /* Lift header toggle above mobile nav dropdown */
  }

  .mobile-overlay {
    z-index: 1299 !important; /* Keep mobile overlay on top of product drawer */
  }

  .mobile-nav {
    z-index: 1300 !important; /* Keep mobile nav dropdown on top of product drawer */
  }

  .product-drawer {
    top: 0;
    bottom: 0;
    right: 0 !important;
    left: 0;
    transform: translateY(100%);
    width: 100% !important;
    max-width: 100% !important;
    height: 100dvh;
    border-left: none;
    border-top: none;
    border-radius: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: none;
  }
 
  .product-drawer.open {
    transform: translateY(0) !important;
    border-radius: 0 !important;
  }

  .product-drawer[data-current-product="privacy"] .drawer-cta-wrapper {
    display: none !important;
  }

  .product-drawer[data-current-product="privacy"] .drawer-scroll-indicator {
    bottom: 24px !important;
  }
 
  .product-drawer-handle {
    display: none !important; /* Hide drag handle since dragging is disabled */
  }
 
  .product-drawer-close {
    top: 100px !important; /* Position close button below the fixed header */
    right: 1.5rem !important;
    width: 44px !important;
    height: 44px !important;
    font-size: 2rem !important;
    color: var(--color-accent) !important; /* Green X */
    border-color: rgba(59, 255, 18, 0.4) !important; /* Green border */
    background: rgba(10, 10, 10, 0.5) !important; /* Semi-transparent dark background */
    box-shadow: 0 0 15px rgba(59, 255, 18, 0.25) !important; /* Green glow */
    opacity: 0.5 !important;
    transition: opacity var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast) !important;
  }

  .product-drawer-close:active,
  .floating-close-btn:active {
    transform: scale(0.85) !important; /* Scale down on click/tap for visual press feedback */
    opacity: 1 !important;
    background: rgba(59, 255, 18, 0.25) !important; /* Green highlight flash on active click */
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 25px rgba(59, 255, 18, 0.6) !important;
  }

  .floating-close-btn {
    display: flex !important; /* Show floating close button on mobile version */
  }
 
  .product-drawer-image-wrapper {
    height: 180px;
  }
 
  .product-drawer-content {
    padding: var(--space-md) var(--space-md) var(--space-lg);
  }
 
  .product-drawer-inner {
    flex: 1 !important;
    height: auto !important; /* Let flexbox calculate the height */
    margin-top: 95px !important; /* Shift scroll area below fixed header */
    transition: none;
    overflow-y: auto;
  }

  .contact-form-wrapper {
    padding: var(--space-md) var(--space-sm);
  }

  .form-success {
    padding: var(--space-md) 0;
  }

  .contact-subtitle {
    margin-top: var(--space-xs) !important;
    margin-bottom: var(--space-xl) !important;
  }

  .contact-mobile-btn-wrapper {
    display: flex;
    justify-content: center;
    margin: calc(-1 * var(--space-lg)) auto var(--space-lg);
    width: 100%;
    max-width: 320px;
    padding: 0 var(--space-md);
    box-sizing: border-box;
  }

  .contact-mobile-btn {
    width: 100%;
    text-align: center;
  }

  .floating-close-btn {
    bottom: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
    font-size: 1.6rem;
  }
}

.product-drawer-inner {
  flex: 1;
  margin-top: 70px;
  display: block;
  overflow-y: auto;
}

.product-drawer-image-wrapper {
  width: 100%;
  height: 240px;
  flex-shrink: 0;
  overflow: hidden;
  background-color: #050505;
  border-bottom: 1px solid var(--color-card-border);
  position: relative;
}

.product-drawer-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  box-sizing: border-box;
  transform: scale(1.08);
  transition: opacity var(--transition-fast) ease-in-out;
}

.product-drawer-content {
  padding: var(--space-xl) var(--space-md) var(--space-xl);
  display: flex;
  flex-direction: column;
}

.product-drawer-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.drawer-product-tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.drawer-section {
  margin-top: var(--space-lg);
}

.drawer-section h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.25rem;
  text-transform: uppercase;
}

.drawer-section p {
  font-size: 0.96875rem;
  font-weight: 400;
  color: #d1d4d0;
  line-height: 1.7;
}

.drawer-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.drawer-specs-list li {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-left: 1.25rem;
  line-height: 1.5;
}

.drawer-specs-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
}

.drawer-cta-wrapper {
  padding: var(--space-md) var(--space-md);
  background: #080907; /* solid black-green matching drawer background */
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: center;
  box-sizing: border-box;
  flex-shrink: 0;
  width: 100%;
}

.drawer-cta-wrapper .btn-cta {
  width: 100%;
  height: 50px;
  padding: 0;
}

/* ================================================
   FOOTER
   ================================================ */
.site-footer {
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer-text {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.05em;
  line-height: 1.79;
}

.footer-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.05em;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
}

/* ================================================
   RESPONSIVE BREAKPOINTS
   ================================================ */

/* Tablet: 768px */
@media (min-width: 768px) {
  body {
    zoom: 1.1;
  }

  .hero-bg {
    zoom: 0.90909;
    width: 110%;
    height: 110%;
    top: 0;
    left: 0;
  }

  .hero-content .btn-cta {
    animation: slide-fade-from-left 1.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .header-cta .btn-cta {
    animation: slide-fade-from-right 1.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .services-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .order-desktop-first {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .contact-form-wrapper {
    margin: 0;
  }
}

/* Desktop: 1024px */
@media (min-width: 1024px) {
  .header-logo {
    flex: 1;
    display: flex;
    justify-content: flex-start;
  }

  /* Make privacy policy drawer occupy exactly half of the viewport width on desktop */
  .product-drawer[data-current-product="privacy"] {
    max-width: 50dvw !important;
  }

  .header-nav {
    display: flex;
    justify-content: center;
  }

  .header-cta {
    display: flex;
    flex: 1;
    justify-content: flex-end;
    align-items: center;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .hero-content {
    /* Padding left removed to keep it perfectly centered */
  }

  .container {
    padding: 0 var(--space-xl);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Desktop: 1440px */
@media (min-width: 1440px) {
  .hero-content {
    max-width: 900px;
  }

  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 1.3rem;
  }

  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs) !important;
  }

  .service-card {
    padding: var(--space-md) var(--space-xs) !important;
  }

  .service-card h3 {
    font-size: 0.9rem !important;
    line-height: 1.25 !important;
    text-align: center !important;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .btn-cta,
  .btn-cta-solid {
    width: 100%;
    max-width: 280px;
    height: 46px;
    padding: 0;
    font-size: 0.8rem;
  }
  .form-submit-btn {
    width: 100% !important;
    max-width: 100% !important;
    height: 46px;
  }
}

/* ================================================
   PRIVACY POLICY PAGE
   ================================================ */
.privacy-section {
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
  position: relative;
}

.privacy-card {
  padding: var(--space-2xl) var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.privacy-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.privacy-date {
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.privacy-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-sm);
}

/* Reduced size for privacy policy titles inside the drawer modal */
.product-drawer[data-current-product="privacy"] #drawer-product-title {
  font-size: 1.6rem !important;
}

.product-drawer[data-current-product="privacy"] #drawer-product-desc h2 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-sm);
}

.privacy-content p, 
.privacy-content ul {
  font-family: var(--font-primary);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.privacy-content ul {
  padding-left: var(--space-lg);
  list-style-type: disc;
  margin-bottom: var(--space-lg);
}

.privacy-content li {
  margin-bottom: var(--space-xs);
}

.privacy-content strong {
  color: var(--color-text);
  font-weight: 700;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.btn-back:hover {
  color: var(--color-text);
  transform: translateX(-4px);
}

/* ==========================================================================
   CONTACT MAP STYLE (LEAFLET CUSTOMIZATION)
   ========================================================================== */
#contact-map {
  width: 100%;
  height: 260px;
  margin-top: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(59, 255, 18, 0.08);
  background: #000000;
  overflow: hidden;
  z-index: 10;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

#contact-map:hover {
  border-color: rgba(59, 255, 18, 0.25);
  box-shadow: 0 8px 32px var(--color-accent-glow), inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* Custom dark-green tile filter (disabled to show default CartoDB Dark Matter map) */
/*
#contact-map .leaflet-tile-container {
  filter: sepia(1) hue-rotate(70deg) saturate(3.5) brightness(0.85) contrast(1.2);
}
*/

/* Leaflet Zoom Control Styling */
#contact-map .leaflet-bar {
  border: 1px solid rgba(59, 255, 18, 0.15) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
  border-radius: 6px !important;
  overflow: hidden;
}

#contact-map .leaflet-bar a {
  background-color: rgba(10, 10, 10, 0.85) !important;
  backdrop-filter: blur(8px);
  color: var(--color-accent) !important;
  border-bottom: 1px solid rgba(59, 255, 18, 0.1) !important;
  width: 32px !important;
  height: 32px !important;
  line-height: 32px !important;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

#contact-map .leaflet-bar a:hover {
  background-color: var(--color-accent) !important;
  color: #000000 !important;
}

#contact-map .leaflet-bar a:last-child {
  border-bottom: none !important;
}

/* Custom Marker Styling */
.custom-map-marker {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.marker-core {
  width: 14px;
  height: 14px;
  background-color: var(--color-accent);
  border: 2px solid #000000;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  z-index: 2;
}

.marker-glow {
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.4;
  z-index: 1;
  animation: marker-pulse-glow 2s infinite ease-in-out;
}

@keyframes marker-pulse-glow {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.4;
    box-shadow: 0 0 8px var(--color-accent);
  }
  50% {
    transform: scale(1.6);
    opacity: 0.15;
    box-shadow: 0 0 16px var(--color-accent), 0 0 24px var(--color-accent);
  }
}

/* Leaflet Popup Customization */
#contact-map .leaflet-popup-content-wrapper {
  background: rgba(10, 10, 10, 0.85) !important;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(59, 255, 18, 0.2);
  border-radius: 8px;
  color: var(--color-text) !important;
  font-family: var(--font-poppins);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6) !important;
  padding: 2px;
}

#contact-map .leaflet-popup-content {
  margin: var(--space-xs) var(--space-sm) !important;
  font-size: 0.875rem;
  line-height: 1.4;
}

#contact-map .leaflet-popup-content strong {
  font-family: var(--font-primary);
  color: var(--color-accent);
  display: block;
  margin-bottom: 2px;
  font-size: 0.95rem;
}

#contact-map .leaflet-popup-tip-container {
  overflow: hidden;
}

#contact-map .leaflet-popup-tip {
  background: rgba(10, 10, 10, 0.85) !important;
  border-right: 1px solid rgba(59, 255, 18, 0.2);
  border-bottom: 1px solid rgba(59, 255, 18, 0.2);
  box-shadow: none !important;
}

#contact-map .leaflet-popup-close-button {
  color: var(--color-text-muted) !important;
  font-size: 16px !important;
  padding: 6px 8px 0 0 !important;
  transition: color var(--transition-fast);
}

#contact-map .leaflet-popup-close-button:hover {
  color: var(--color-accent) !important;
}

/* Hide leaflet attribution under the map context, or style it minimally */
#contact-map .leaflet-control-attribution {
  background: rgba(0, 0, 0, 0.7) !important;
  color: var(--color-text-muted) !important;
  font-size: 9px !important;
}

#contact-map .leaflet-control-attribution a {
  color: var(--color-accent-dim) !important;
}

/* --- Option 2D: Connecting Nodes --- */
.connecting-dots {
  width: 100%;
  max-width: 260px;
  height: 80px;
}

.connect-trace {
  stroke-dasharray: 180;
  stroke-dashoffset: 180;
  animation: draw-connection 2.1s ease-in-out infinite;
}

.connect-node {
  transform-origin: center;
}

.connect-node.node-1 {
  animation: node-pulse-1 2.1s ease-in-out infinite;
}

.connect-node.node-2 {
  animation: node-pulse-2 2.1s ease-in-out infinite;
}

.connect-node.node-3 {
  animation: node-pulse-3 2.1s ease-in-out infinite;
}

@keyframes draw-connection {
  0% {
    stroke-dashoffset: 180;
  }
  40% {
    stroke-dashoffset: 0;
  }
  80% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
  90%, 100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

@keyframes node-pulse-1 {
  0% {
    transform: scale(0.8);
    fill: #000;
  }
  5%, 80% {
    transform: scale(1.25);
    fill: var(--color-accent);
  }
  90%, 100% {
    transform: scale(0.8);
    fill: #000;
  }
}

@keyframes node-pulse-2 {
  0%, 20% {
    transform: scale(0.8);
    fill: #000;
  }
  25%, 80% {
    transform: scale(1.25);
    fill: var(--color-accent);
  }
  90%, 100% {
    transform: scale(0.8);
    fill: #000;
  }
}

@keyframes node-pulse-3 {
  0%, 40% {
    transform: scale(0.8);
    fill: #000;
  }
  45%, 80% {
    transform: scale(1.25);
    fill: var(--color-accent);
  }
  90%, 100% {
    transform: scale(0.8);
    fill: #000;
  }
}

/* ================================================
   DIVIDERS (SERVICES & PRODUCTS 3-DOT ANIMATION)
   ================================================ */
.services-divider-container,
.products-divider-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: transparent;
  padding: 0;
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.services-divider-container {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xs);
}

.products-divider-container {
  margin-top: 0;
  margin-bottom: var(--space-xl);
}

.section-divider-nodes {
  width: 100%;
  max-width: 300px;
  height: 80px;
}

/* ================================================
   ABOUT BOXES - GLOWING RADAR HALO ICONS
   ================================================ */
.about-icon-container {
  position: relative;
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 var(--space-sm) 0;
  border-radius: 50%;
  background: rgba(59, 255, 18, 0.05);
  border: 1.5px solid rgba(59, 255, 18, 0.2);
  color: var(--color-accent);
  align-self: flex-start; /* Left aligned matching text */
}

.about-icon {
  width: 22px;
  height: 22px;
  z-index: 2;
  transition: transform var(--transition-base), color var(--transition-base);
}

.about-icon-container:hover .about-icon {
  transform: scale(1.15);
  color: #fff;
}

.radar-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(59, 255, 18, 0.45);
  box-shadow: 0 0 8px rgba(59, 255, 18, 0.3);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  opacity: 0;
}

.radar-halo.ring-1 {
  animation: radar-pulse 3s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

.radar-halo.ring-2 {
  animation: radar-pulse 3s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  animation-delay: 1s;
}

.radar-halo.ring-3 {
  animation: radar-pulse 3s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  animation-delay: 2s;
}

.about-icon-container:hover .radar-halo {
  border-color: rgba(59, 255, 18, 0.85);
  box-shadow: 0 0 12px rgba(59, 255, 18, 0.65);
}

@keyframes radar-pulse {
  0% {
    width: 50px;
    height: 50px;
    opacity: 0.7;
  }
  100% {
    width: 130px;
    height: 130px;
    opacity: 0;
  }
}

/* ================================================
   SERVICES AREA - CARD GLOWING ICONS
   ================================================ */
.service-card-icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(59, 255, 18, 0.04);
  border: 1.5px solid rgba(59, 255, 18, 0.12);
  box-shadow: 0 0 10px rgba(59, 255, 18, 0.08);
  transition: transform var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}

.service-card-icon i {
  width: 20px;
  height: 20px;
}

.service-card.hovered .service-card-icon {
  transform: scale(1.15) translateY(-2px);
  color: #000;
  border-color: var(--color-accent);
  background-color: var(--color-accent);
  box-shadow: 0 0 16px rgba(59, 255, 18, 0.45);
}

.service-card-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(59, 255, 18, 0.04);
  border: 1.5px solid rgba(59, 255, 18, 0.12);
  box-shadow: 0 0 10px rgba(59, 255, 18, 0.08);
  transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), color 0.2s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.2s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.2s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ================================================
   GLOWING ANIMATED PCB BACKGROUND
   ================================================ */
.pcb-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  background-color: #000000;
  pointer-events: none;
  overflow: hidden;
}

.pcb-svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Static traces */
.pcb-trace {
  stroke: var(--color-accent);
  stroke-width: 1.5px;
  stroke-opacity: 0.055; /* More visible, glowing pcb tracks */
  fill: none;
}

/* Animated traces container */
.pcb-trace-animate {
  stroke: var(--color-accent);
  stroke-width: 1.5px;
  stroke-opacity: 0.13; /* Glowing background tracks */
  fill: none;
}

/* Animated flow pulses */
.pcb-pulse {
  stroke: var(--color-accent);
  stroke-width: 2.2px;
  stroke-linecap: round;
  fill: none;
  filter: drop-shadow(0 0 6px rgba(59, 255, 18, 0.85));
  stroke-dasharray: 45 250;
  animation: pcb-flow 4.5s linear infinite; /* Faster flow speed (from 9s) */
}

/* Speed/Delay Variations */
.pcb-pulse-fast {
  animation-duration: 3s; /* Faster fast speed (from 6s) */
}

.pcb-pulse-slow {
  animation-duration: 7.5s; /* Faster slow speed (from 15s) */
}

.pcb-pulse-delay-1 {
  animation-delay: 2.5s;
}

.pcb-pulse-delay-2 {
  animation-delay: 5s;
}

.pcb-pulse-reverse {
  animation-name: pcb-flow-reverse;
}

/* Pads */
.pcb-pad {
  fill: #000000;
  stroke: var(--color-accent);
  stroke-width: 1.5px;
  stroke-opacity: 0.07;
}

.pcb-pad-inner {
  fill: var(--color-accent);
  fill-opacity: 0.07;
}

/* IC chip on board */
.pcb-ic {
  stroke: var(--color-accent);
  stroke-opacity: 0.04;
  stroke-width: 1.5px;
  fill: rgba(59, 255, 18, 0.005);
}

.pcb-ic-pin {
  stroke: var(--color-accent);
  stroke-opacity: 0.05;
  stroke-width: 1.5px;
}

@keyframes pcb-flow {
  0% {
    stroke-dashoffset: 280;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes pcb-flow-reverse {
  0% {
    stroke-dashoffset: -280;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes fade-from-dark {
  0% {
    opacity: 0;
    filter: brightness(0);
  }
  100% {
    opacity: 1;
    filter: brightness(1);
  }
}

@keyframes slide-fade-from-right {
  0% {
    opacity: 0;
    transform: translateX(100px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-fade-from-left {
  0% {
    opacity: 0;
    transform: translateX(-100px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}