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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: #040810;
  color: #f0f3f9;
  overflow-x: hidden;
}

::selection {
  background: rgba(94, 234, 212, 0.3);
  color: #f0f3f9;
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0D1B2A;
}
::-webkit-scrollbar-thumb {
  background: #28468c;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #5EEAD4;
}

/* ===== NAVBAR ===== */
#navbar {
  background: transparent;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
  background: rgba(4, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(94, 234, 212, 0.1);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #5EEAD4, #fb7185);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%;
}

/* ===== MOBILE MENU ===== */
.mobile-link {
  position: relative;
}

/* ===== HERO ===== */
#hero {
  position: relative;
}

/* ===== SERVICE CARDS ===== */
.service-card {
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(94,234,212,0.1), transparent, rgba(251,113,133,0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.service-card:hover::before {
  opacity: 1;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes float-delay {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(-3deg); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-slow {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
  animation: float-delay 8s ease-in-out infinite;
  animation-delay: 1s;
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

.animate-pulse-slow {
  animation: pulse-slow 4s ease-in-out infinite;
}

/* ===== REVEAL ANIMATIONS (progressive enhancement) ===== */
/* Default: all content is visible */
.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

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

  .reveal.revealed:nth-child(2) { transition-delay: 100ms; }
  .reveal.revealed:nth-child(3) { transition-delay: 200ms; }
  .reveal.revealed:nth-child(4) { transition-delay: 300ms; }
}

/* ===== GALLERY HOVER ===== */
.group:hover .group-hover\:scale-110 {
  transform: scale(1.1);
}

/* ===== BUTTON HOVER GLOW ===== */
button:hover,
a:hover {
  cursor: pointer;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
  outline: 2px solid #5EEAD4;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .font-display {
    line-height: 1.1;
  }
}