:root {
  --bg-color: #000000;
  --text-color: #e5e5e5;
  --primary-color: #2A7D4F;
  --primary: #2A7D4F;
  --secondary-color: #F5A623;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(12px);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: var(--grain);
  opacity: 0.04;
  pointer-events: none;
  z-index: 9999;
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--secondary-color);
}

/* Image Optimization & CLS Prevention */
img {
  max-width: 100%;
  height: auto;
  display: block;
  background: var(--glass-bg);
  border-radius: inherit;
  content-visibility: auto;
}

img[loading="lazy"] {
  transition: opacity 0.5s ease-in-out;
}

/* Bento Grid Layout */
.bento-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 1.5rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.bento-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.bento-item:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.bento-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-item.wide {
  grid-column: span 2;
}

.bento-item.tall {
  grid-row: span 2;
}

/* Buttons & Accents */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #35a065;
  box-shadow: 0 0 20px rgba(42, 125, 79, 0.3);
  transform: scale(1.02);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: #000000;
}

.btn-secondary:hover {
  background-color: #ffb845;
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.3);
  transform: scale(1.02);
}

/* Icons & Visuals */
.icon-box {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--secondary-color);
}

.tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
}

.nav-link:hover {
  color: var(--primary-color);
}

/* Dropdown / Sub-menu Bento Style */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  min-width: 250px;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  color: var(--text-color);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  transition: var(--transition);
  display: block;
}

.dropdown-link:hover {
  background: var(--glass-bg);
  color: var(--primary-color);
  padding-left: 1.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .bento-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-menu {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    /* Toggle with JS using .active class */
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(5, 5, 5, 0.98);
    /* Stronger opacity for perfect text readability */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 3rem 1.5rem;
    gap: 1.5rem;
    z-index: 1000;
    overflow-y: auto;
    border-top: 1px solid var(--glass-border);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-item {
    height: auto;
    width: 100%;
    justify-content: center;
  }

  .nav-link {
    font-size: 1.25rem;
    width: 100%;
    text-align: center;
    display: block;
    color: #ffffff;
    /* High contrast white text */
  }

  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: rgba(255, 255, 255, 0.05);
    min-width: 100%;
    margin-top: 0.5rem;
    display: none;
    box-shadow: none;
  }

  .nav-item:hover .dropdown {
    display: flex;
    transform: none;
  }
}

@media (max-width: 640px) {
  .bento-container {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .bento-item.large,
  .bento-item.wide,
  .bento-item.tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* High Contrast Adjustments */
::selection {
  background: var(--secondary-color);
  color: #000000;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Global Navigation Styles (Refined) */
.nav-grain {
  position: relative;
}

.nav-grain::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.04;
  pointer-events: none;
  background-image: var(--grain);
}

.nav-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-dropdown {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(10px) !important;
  transition: all 0.3s ease;
  z-index: 60;
}

.nav-group::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 25px;
}

.nav-group:hover .nav-dropdown {
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}