:root {
  /* Dynamic Modern Palette */
  --primary: #0ea5e9; /* Light blue accent */
  --primary-glow: rgba(14, 165, 233, 0.4);
  --secondary: #10b981; /* Green accent */
  --bg-dark: #0f172a;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --surface-glass: rgba(255, 255, 255, 0.05);
  --surface-glass-hover: rgba(255, 255, 255, 0.1);
  --border-glass: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  /* Utilities */
  --font-main: 'Outfit', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

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

/* Glassmorphism Helpers */
.glass-panel {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-panel:hover {
  background: var(--surface-glass-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--primary-glow);
}

/* Header Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-logo i {
  color: var(--primary);
  text-shadow: 0 0 15px var(--primary-glow);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
  background: none;
  border: none;
  cursor: pointer;
}

/* Page Container */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* Section Headings */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  display: block;
}

/* Hero Typography */
.hero-title {
  font-size: clamp(2rem, 8vw, 3.5rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

/* Footer */
.site-footer {
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border-glass);
  padding: 4rem 2rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-col h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.footer-col p, .footer-col ul {
  color: var(--text-muted);
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-glass);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile hide for now, could add toggle later */
  }
  .mobile-menu-btn {
    display: block;
  }
  .main-content {
    padding: 2rem 1rem;
  }
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  will-change: opacity, transform;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.visible {
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    object-fit: contain;
}

.lightbox-btn {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10000;
}

.lightbox-btn:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

.gallery-img {
    cursor: pointer;
}

@media (max-width: 768px) {
    .lightbox-prev { left: 10px; width: 40px; height: 40px; font-size: 1rem; }
    .lightbox-next { right: 10px; width: 40px; height: 40px; font-size: 1rem; }
    .lightbox-close { top: 10px; right: 10px; width: 40px; height: 40px; font-size: 1rem; }
}