/* ========== CSS Variables ========== */
:root {
  --color-primary: #2B4C7E;
  --color-primary-rgb: 43, 76, 126;
  --color-primary-dark: #1A3154;
  --color-secondary: #C9A96E;
  --color-secondary-rgb: 201, 169, 110;
  --color-accent: #D4A762;
  --color-bg: #FAF9F7;
  --color-bg-rgb: 250, 249, 247;
  --color-bg-dark: #1B2432;
  --color-text: #1B2432;
  --color-text-muted: #6B7B8D;

  --ease-out-expo: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-button: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-enter: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== Base ========== */
html {
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* ========== Noise Overlay ========== */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ========== Header States ========== */
.header-transparent {
  background: transparent;
}

.header-transparent a,
.header-transparent button,
.header-transparent span {
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.header-scrolled {
  background: rgba(var(--color-bg-rgb), 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.header-scrolled a,
.header-scrolled button,
.header-scrolled span {
  color: var(--color-text);
  text-shadow: none;
}

.header-scrolled a.bg-secondary,
.header-scrolled a.bg-secondary span {
  color: white;
}

/* ========== Hero ========== */
.hero-heading {
  font-size: clamp(2.25rem, 6vw, 4rem);
  letter-spacing: -0.02em;
}

.text-shadow-hero {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.2);
}

.gradient-text-hero {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Scroll dot animation */
@keyframes scroll-dot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
}

.animate-scroll-dot {
  animation: scroll-dot 2s ease-in-out infinite;
}

/* Cascade items - initial state for hero entrance */
.cascade-item {
  opacity: 0;
  transform: translateY(20px);
  animation: cascade-in 0.8s var(--ease-enter) forwards;
}

@keyframes cascade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.cascade-item:nth-child(1) { animation-delay: 0.2s; }
.cascade-item:nth-child(2) { animation-delay: 0.4s; }
.cascade-item:nth-child(3) { animation-delay: 0.6s; }
.cascade-item:nth-child(4) { animation-delay: 0.8s; }

/* ========== Primary CTA Button ========== */
.btn-primary {
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  color: #fff;
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.15),
    0 2px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-primary:hover::before {
  opacity: 0.5;
}

/* ========== Gradient Text ========== */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== Dot Grid Background ========== */
.dot-grid {
  background-image: radial-gradient(circle, #C9A96E 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 60% 60% at center, transparent 15%, black 40%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at center, transparent 15%, black 40%, transparent 65%);
}

/* ========== Card Hover Effect ========== */
.card-hover {
  position: relative;
  transition: transform 0.3s var(--ease-button);
}

.card-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

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

.card-hover:hover::after {
  opacity: 1;
}

/* ========== Scroll Animations ========== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

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

/* ========== Image Loading ========== */
.img-lazy {
  opacity: 0;
  transition: opacity 0.5s ease-in;
  background: linear-gradient(110deg, #e8e6e3 25%, #f2f0ed 37%, #e8e6e3 63%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.img-lazy.loaded {
  opacity: 1;
  animation: none;
  background: none;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .hero-heading {
    font-size: clamp(1.875rem, 8vw, 2.5rem);
  }

  #stats .grid {
    gap: 2rem 1rem;
  }

  #stats .counter {
    font-size: 2rem;
  }

  #stats .counter + span {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-heading {
    font-size: 1.75rem;
  }
}

/* ========== GLightbox customization ========== */
.glightbox-clean .gslide-media {
  max-width: 90vw !important;
  max-height: 90vh !important;
}

.glightbox-clean .gslide-image img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  width: auto;
  height: auto;
}

.gslide-description {
  background: rgba(27, 36, 50, 0.9) !important;
}

/* ========== Selection ========== */
::selection {
  background-color: rgba(var(--color-secondary-rgb), 0.3);
  color: var(--color-text);
}