/* Base & Animations */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Geometric Shapes */
.geo-shape {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
}

.geo-circle-1 {
  width: 600px;
  height: 600px;
  border: 3px solid white;
  border-radius: 50%;
  top: -200px;
  right: -150px;
  animation: float 20s ease-in-out infinite;
}

.geo-circle-2 {
  width: 300px;
  height: 300px;
  background: white;
  border-radius: 50%;
  bottom: -80px;
  left: 5%;
  animation: float 15s ease-in-out infinite reverse;
}

.geo-circle-3 {
  width: 150px;
  height: 150px;
  border: 2px solid white;
  border-radius: 50%;
  top: 30%;
  left: 10%;
  animation: float 12s ease-in-out infinite;
}

.geo-triangle-1 {
  width: 0;
  height: 0;
  border-left: 80px solid transparent;
  border-right: 80px solid transparent;
  border-bottom: 140px solid white;
  top: 20%;
  right: 15%;
  opacity: 0.06;
  animation: rotate 25s linear infinite;
}

.geo-square-1 {
  width: 100px;
  height: 100px;
  background: white;
  top: 60%;
  right: 8%;
  opacity: 0.05;
  animation: rotate 20s linear infinite;
  transform-origin: center;
}

.geo-diamond-1 {
  width: 60px;
  height: 60px;
  background: white;
  top: 40%;
  left: 5%;
  opacity: 0.06;
  transform: rotate(45deg);
  animation: float 18s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-30px); }
}

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

/* Scroll Indicator */
.scroll-dot {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.4; }
}

/* Navbar */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #2dd4bf;
  transition: width 0.3s ease;
}

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

/* Mobile Menu */
.mobile-menu-link {
  position: relative;
}

/* Menu Cards */
.menu-card {
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.menu-card:hover {
  transform: translateY(-6px);
}

/* Experience Cards */
.experience-card {
  transform: translateY(0);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.experience-card:hover {
  transform: translateY(-4px);
}

/* Gallery */
.gallery-item {
  cursor: pointer;
  transition: transform 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.02);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile menu animation */
#mobileMenu {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Body lock when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: #0d9488;
  color: white;
}