/* ============================================================
   TECHYSYNC — DESIGN SYSTEM & GLOBAL STYLES
   ============================================================ */

/* --- GOOGLE FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  /* Brand Color System */
  --color-bg:           #060A17; /* Midnight Navy */
  --color-bg-2:         #0A1128; /* Deep Navy Surface */
  --color-bg-3:         #101935; /* Navy Card Surface */
  --color-surface:      rgba(10, 17, 40, 0.7);
  --color-surface-2:    rgba(16, 25, 53, 0.9);
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(0, 102, 255, 0.35);

  --color-blue-1:       #0052CC; /* Royal Blue */
  --color-blue-2:       #0066FF; /* Electric Blue */
  --color-cyan:         #00D4FF; /* Cyan Accent */
  --color-blue-dark:    #003399;

  --color-text-primary: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-text-muted:   #64748B;

  --color-white:        #FFFFFF;
  --color-accent-glow:  rgba(0, 102, 255, 0.25);

  /* Light Theme Utilities */
  --color-light-bg:     #F8FAFC;
  --color-light-card:   #FFFFFF;
  --color-light-border: #E2E8F0;
  --color-light-text:   #0F172A;
  --color-light-sub:    #475569;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Font Sizes */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;
  --text-7xl:   4.5rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:    0 2px 4px rgba(0,0,0,0.3);
  --shadow-md:    0 6px 20px rgba(0,0,0,0.35);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.45);
  --shadow-glow:  0 0 35px rgba(0, 102, 255, 0.25);
  --shadow-blue:  0 8px 30px rgba(0, 102, 255, 0.4);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow:   400ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max:  1240px;
  --container-pad:  clamp(1rem, 5vw, 2.5rem);
  --nav-height:     76px;
}

/* --- RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* --- LAYOUT --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-24);
}

.section--sm {
  padding-block: var(--space-16);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
}

.display-1 { font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl)); font-weight: 600; letter-spacing: -0.04em; }
.display-2 { font-size: clamp(var(--text-3xl), 4.5vw, var(--text-6xl)); font-weight: 500; letter-spacing: -0.03em; }
.display-3 { font-size: clamp(var(--text-2xl), 3.5vw, var(--text-5xl)); font-weight: 500; letter-spacing: -0.02em; }

.heading-lg { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); }
.heading-md { font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl)); }
.heading-sm { font-size: clamp(var(--text-lg), 2vw, var(--text-2xl)); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-blue-2), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted  { color: var(--color-text-secondary); }
.text-center { text-align: center; }

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cyan);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-cyan);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after  { opacity: 1; }
.btn:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 3px; }
.btn:active        { transform: scale(0.98); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-blue-2), var(--color-blue-1));
  color: var(--color-white);
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #1A75FF, var(--color-blue-2));
  box-shadow: 0 8px 30px rgba(0, 102, 255, 0.6);
  transform: translateY(-2px);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

.btn--secondary:hover {
  border-color: var(--color-cyan);
  background: rgba(0, 212, 255, 0.08);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-cyan);
  padding-inline: 0;
  border-radius: 0;
  font-weight: 500;
}

.btn--ghost:hover .btn-arrow { transform: translateX(6px); }
.btn-arrow { transition: transform var(--transition-base); display: inline-block; font-family: sans-serif; }

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow), backdrop-filter var(--transition-slow);
}

.nav.scrolled {
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-cyan);
  transition: width var(--transition-base);
}

.nav__link:hover, .nav__link.active { color: var(--color-text-primary); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

.nav__cta { margin-left: var(--space-4); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav__hamburger:hover { background: rgba(255,255,255,0.06); }
.nav__hamburger:focus-visible { outline: 2px solid var(--color-cyan); }

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
  transform-origin: center;
}

.hamburger-line:nth-child(2) { width: 18px; }
.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; width: 0; }
.nav__hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 24px; }

/* Mobile Menu */
.nav__mobile {
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(13, 17, 23, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav__mobile .nav__link {
  font-size: var(--text-2xl);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-primary);
}

.nav__mobile .btn { margin-top: var(--space-4); font-size: var(--text-base); padding: 1rem 2.5rem; }

/* --- PAGE HERO (subpages) --- */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(43, 127, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* --- SECTION HEADER --- */
.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center { text-align: center; }
.section-header--center .eyebrow { justify-content: center; }
.section-header--center .eyebrow::before { display: none; }

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-top: var(--space-4);
}

.section-header--center p { margin-inline: auto; }

/* --- CARDS --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

/* --- SERVICE ICON --- */
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.15), rgba(0, 180, 230, 0.1));
  border: 1px solid rgba(43, 127, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.card:hover .service-icon {
  background: linear-gradient(135deg, rgba(43, 127, 255, 0.25), rgba(0, 180, 230, 0.2));
  border-color: rgba(0, 180, 230, 0.4);
}

/* --- DIVIDER LINE --- */
.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin-block: var(--space-16);
}

/* --- TAG BADGE --- */
.tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(43, 127, 255, 0.12);
  color: var(--color-cyan);
  border: 1px solid rgba(0, 180, 230, 0.2);
}

/* --- TEAM PLACEHOLDER --- */
.team-photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-xl);
  background: var(--color-bg-3);
  border: 1px dashed rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.team-photo-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

/* --- PORTFOLIO PLACEHOLDER --- */
.portfolio-img-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(135deg, var(--color-bg-3), var(--color-bg-2));
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- FOOTER --- */
.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.footer__brand img { height: 40px; margin-bottom: var(--space-4); }
.footer__tagline { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); max-width: 220px; }

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.footer__social-link:hover {
  border-color: var(--color-border-hover);
  color: var(--color-cyan);
  background: rgba(0, 180, 230, 0.08);
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-text-primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__legal a:hover { color: var(--color-text-primary); }

/* --- GEOMETRIC BG ACCENT --- */
.geo-bg {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.06;
}

.geo-bg--blue {
  background: var(--color-blue-2);
}

.geo-bg--cyan {
  background: var(--color-cyan);
}

/* --- SKIP LINK (accessibility) --- */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  background: var(--color-blue-2);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus { top: 0; }

/* --- UTILITY --- */
.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;
}

.hidden { display: none !important; }
.no-scroll { overflow: hidden; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-4 { gap: var(--space-4); }

/* --- FOCUS STATES --- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   LIGHT SECTION & CONTRAST UTILITIES
   ============================================================ */
.section--light {
  background-color: var(--color-light-bg);
  color: var(--color-light-text);
  position: relative;
  z-index: 2;
}

.section--light h1, 
.section--light h2, 
.section--light h3, 
.section--light h4 {
  color: var(--color-light-text);
}

.section--light p {
  color: var(--color-light-sub);
}

.section--light .card-light {
  background: var(--color-light-card);
  border: 1px solid var(--color-light-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.section--light .card-light:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 255, 0.3);
  box-shadow: 0 12px 36px rgba(0, 102, 255, 0.12);
}

/* ============================================================
   CATEGORY FILTER PILLS
   ============================================================ */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
}

.pill-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pill-btn:hover {
  border-color: var(--color-blue-2);
  color: var(--color-text-primary);
  background: rgba(0, 102, 255, 0.1);
}

.pill-btn.active {
  background: var(--color-blue-2);
  color: var(--color-white);
  border-color: var(--color-blue-2);
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

.section--light .pill-btn {
  background: var(--color-white);
  border-color: var(--color-light-border);
  color: var(--color-light-sub);
}

.section--light .pill-btn:hover {
  border-color: var(--color-blue-2);
  color: var(--color-blue-2);
  background: rgba(0, 102, 255, 0.05);
}

.section--light .pill-btn.active {
  background: var(--color-blue-2);
  color: var(--color-white);
  border-color: var(--color-blue-2);
}

/* ============================================================
   GLOBAL CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, #0A1128 0%, #003399 50%, #0066FF 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 102, 255, 0.25);
  margin-block: var(--space-16);
  color: var(--color-white);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 70% 30%, rgba(0, 212, 255, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 580px;
  margin: 0 auto var(--space-8);
}

/* ============================================================
   CURSOR LIGHT BOMB EFFECT & DYNAMIC SPOTLIGHT SYSTEM
   ============================================================ */
.light-bomb-container {
  position: relative;
  overflow: hidden;
  cursor: default;
}

.light-bomb-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(450px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 212, 255, 0.28) 0%, rgba(0, 82, 204, 0.14) 40%, transparent 75%);
}

.light-bomb-container:hover .light-bomb-spotlight {
  opacity: 1;
}

/* Light Bomb Shockwave Ripple */
.light-bomb-shockwave {
  position: absolute;
  width: 100px;
  height: 100px;
  margin-top: -50px;
  margin-left: -50px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 3;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.6) 0%, rgba(0, 82, 204, 0.4) 40%, rgba(0, 212, 255, 0) 70%);
  border: 2px solid rgba(0, 212, 255, 0.85);
  box-shadow: 0 0 35px #00D4FF, 0 0 70px #0052CC, inset 0 0 25px rgba(255, 255, 255, 0.85);
  animation: lightBombPulse 0.75s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes lightBombPulse {
  0% {
    transform: scale(0.1);
    opacity: 1;
  }
  50% {
    opacity: 0.85;
  }
  100% {
    transform: scale(4.8);
    opacity: 0;
  }
}

/* Light Bomb Particles / Sparks */
.light-bomb-spark {
  position: absolute;
  width: var(--spark-size, 8px);
  height: var(--spark-size, 8px);
  margin-top: calc(var(--spark-size, 8px) / -2);
  margin-left: calc(var(--spark-size, 8px) / -2);
  border-radius: 50%;
  pointer-events: none;
  z-index: 4;
  background: var(--spark-color, #00D4FF);
  box-shadow: 0 0 12px var(--spark-color, #00D4FF), 0 0 24px #FFFFFF;
  animation: lightBombSparkFly var(--spark-duration, 0.8s) cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes lightBombSparkFly {
  0% {
    transform: translate(0, 0) scale(1.3);
    opacity: 1;
  }
  100% {
    transform: translate(var(--dx, 50px), var(--dy, -50px)) scale(0);
    opacity: 0;
  }
}

/* Global Form Select & Dropdown Option High Contrast Styling */
select option,
.form-select option {
  background-color: #060B19 !important;
  color: #FFFFFF !important;
  padding: 10px 14px;
}

/* ============================================================
   PROJECT CARDS & INTERACTIVE IMAGE PREVIEW MODAL
   ============================================================ */
.project-card,
.hp-project-card {
  cursor: pointer;
  position: relative;
}

.project-card__img-wrap,
.hp-project-img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #060B19;
  cursor: zoom-in;
}

.project-card__img,
.hp-project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
  cursor: zoom-in;
}

.project-card:hover .project-card__img,
.hp-project-card:hover .hp-project-img {
  transform: scale(1.06);
}

/* Image preview badge overlay on image hover */
.project-img-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(6, 11, 25, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 212, 255, 0.45);
  color: #00D4FF;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 3;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.project-card__img-wrap:hover .project-img-hint,
.hp-project-img-wrap:hover .project-img-hint,
.hp-project-card:hover .project-img-hint {
  opacity: 1;
  transform: translateY(0);
}

/* Lightbox Modal */
.project-img-modal {
  position: fixed;
  inset: 0;
  z-index: 9999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
}

.project-img-modal.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.project-img-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  cursor: pointer;
}

.project-img-modal__wrapper {
  position: relative;
  z-index: 2;
  max-width: 1050px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: #0B1124;
  border: 1px solid rgba(0, 212, 255, 0.5);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.28), 0 30px 90px rgba(0, 0, 0, 0.95);
  transform: scale(0.9) translateY(24px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.project-img-modal.is-open .project-img-modal__wrapper {
  transform: scale(1) translateY(0);
}

.project-img-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 11, 25, 0.9);
  backdrop-filter: blur(10px);
  gap: 1rem;
}

.project-img-modal__tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan, #00D4FF);
  display: block;
  margin-bottom: 0.2rem;
}

.project-img-modal__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
  line-height: 1.2;
}

.project-img-modal__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.project-img-modal__site-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, #0052CC 0%, #00D4FF 100%);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.project-img-modal__site-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 212, 255, 0.45);
  color: #FFFFFF;
}

.project-img-modal__close {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.project-img-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #00D4FF;
  transform: rotate(90deg) scale(1.08);
}

.project-img-modal__view {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #040714;
  overflow: hidden;
  padding: 1.5rem;
  min-height: 340px;
  max-height: 68vh;
  cursor: zoom-in;
}

.project-img-modal__view.is-zoomed {
  cursor: zoom-out;
  overflow: auto;
}

.project-img-modal__img {
  max-width: 100%;
  max-height: 62vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 10px 45px rgba(0, 0, 0, 0.7);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
}

.project-img-modal__view.is-zoomed .project-img-modal__img {
  transform: scale(1.4);
}

.project-img-modal__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.15) 0%, transparent 65%);
}

.project-img-modal__footer {
  padding: 0.85rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(6, 11, 25, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: var(--color-text-muted, #94A3B8);
}

.project-img-modal__hint kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  color: #FFFFFF;
}

@media (max-width: 640px) {
  .project-img-modal {
    padding: 0.75rem;
  }
  .project-img-modal__header {
    padding: 1rem;
    flex-wrap: wrap;
  }
  .project-img-modal__title {
    font-size: 1.15rem;
  }
  .project-img-modal__view {
    padding: 0.75rem;
    min-height: 240px;
    max-height: 58vh;
  }
  .project-img-modal__img {
    max-height: 52vh;
  }
  .project-img-modal__footer {
    padding: 0.65rem 1rem;
    font-size: 0.75rem;
  }
}