/* ==========================================================================
   DXSL Organization - High-Tech Design System
   Non-Profit Research, Digital Transformation & Open Source Lab
   ========================================================================== */

:root {
  --bg-darker: #05080f;
  --bg-dark: #090d16;
  --bg-card: rgba(14, 20, 34, 0.75);
  --bg-card-hover: rgba(22, 31, 51, 0.85);
  --bg-surface: rgba(255, 255, 255, 0.03);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 240, 255, 0.35);
  --border-violet: rgba(139, 92, 246, 0.35);
  
  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --violet-glow: rgba(139, 92, 246, 0.35);
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-darker);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button, input, textarea {
  font-family: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Typography Helpers */
.font-mono { font-family: var(--font-mono); }
.text-cyan { color: var(--cyan); }
.text-violet { color: var(--violet); }
.text-emerald { color: var(--emerald); }
.text-muted { color: var(--text-muted); }

.gradient-text {
  background: linear-gradient(135deg, #ffffff 10%, var(--cyan) 50%, var(--violet) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-alt {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 50%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Background Canvas */
#tech-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: auto;
}

/* Global Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--cyan);
}

.badge-pulse {
  position: relative;
}

.badge-pulse::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  display: inline-block;
}

.badge-violet {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: #c4b5fd;
}
.badge-violet::before {
  background-color: var(--violet);
  box-shadow: 0 0 8px var(--violet);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}
.badge-emerald::before {
  background-color: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #3b82f6 100%);
  color: #05080f;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-kofi {
  background: linear-gradient(135deg, #ff5e5b 0%, #ff896b 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(255, 94, 91, 0.4);
}

.btn-kofi:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 94, 91, 0.6);
}

.btn-kofi svg {
  fill: currentColor;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
}

.glass-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 240, 255, 0.1);
  transform: translateY(-4px);
}

/* ==========================================================================
   GATEWAY (index.html) STYLES
   ========================================================================== */
.gateway-wrapper {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.gateway-top {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.gateway-center {
  max-width: 820px;
  width: 100%;
  margin: auto 0;
  padding: 2rem 0;
}

.logo-container {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.gateway-logo-img {
  width: 220px;
  height: auto;
  filter: drop-shadow(0 0 25px rgba(0, 240, 255, 0.4));
  transition: var(--transition);
}

.gateway-logo-img:hover {
  filter: drop-shadow(0 0 35px rgba(0, 240, 255, 0.7));
  transform: scale(1.02);
}

.gateway-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.gateway-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* Language Selection Grid in Gateway */
.lang-selector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.lang-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(14, 20, 34, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.lang-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  transition: var(--transition);
}

.lang-card:hover {
  border-color: var(--cyan);
  background: rgba(18, 27, 45, 0.9);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 240, 255, 0.2);
}

.lang-card:hover::after {
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.lang-flag {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.lang-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.lang-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.lang-arrow {
  margin-top: 1rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.gateway-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.gateway-bottom a {
  color: var(--text-muted);
}
.gateway-bottom a:hover {
  color: var(--cyan);
}

/* ==========================================================================
   NAVIGATION BAR (Sub-pages)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand-img {
  height: 40px;
  width: auto;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: pointer;
}

.lang-switch-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 6rem 0 4rem;
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 4.5rem;
  padding: 2rem;
  background: rgba(14, 20, 34, 0.6);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, #ffffff, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SECTION COMMONS
   ========================================================================== */
.section {
  padding: 5rem 0;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   PRODUCTS ECOSYSTEM GRID
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  padding: 2.25rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 25px rgba(0, 240, 255, 0.15);
}

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

.product-card.card-violet::before {
  background: linear-gradient(90deg, var(--violet), #ec4899);
}
.product-card.card-emerald::before {
  background: linear-gradient(90deg, var(--emerald), #06b6d4);
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.product-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--cyan);
  font-size: 1.75rem;
}

.product-icon-wrap.violet {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--violet);
}

.product-icon-wrap.emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--emerald);
}

.product-name {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.product-category {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.product-features {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-main);
}

.feature-item svg {
  color: var(--cyan);
  flex-shrink: 0;
}

.product-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.product-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.product-link:hover {
  text-decoration: underline;
  transform: translateX(3px);
}

/* ==========================================================================
   MISSION & PILLARS SECTION
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pillar-card {
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  display: inline-block;
  opacity: 0.7;
}

.pillar-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: #ffffff;
}

.pillar-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   RESEARCH & DIGITAL TRANSFORMATION
   ========================================================================== */
.research-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.research-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.research-item {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.research-item:hover {
  border-color: var(--cyan);
  transform: translateX(6px);
}

.research-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.research-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.terminal-window {
  background: #090e1a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  font-family: var(--font-mono);
}

.terminal-header {
  background: #111827;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 0.45rem;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.t-prompt { color: var(--cyan); font-weight: 700; }
.t-cmd { color: #f8fafc; }
.t-res { color: var(--text-muted); }
.t-success { color: var(--emerald); }
.t-highlight { color: var(--violet); }

/* ==========================================================================
   DONATE BANNER / SECTION & DONATE PAGE
   ========================================================================== */
.donate-highlight-box {
  background: linear-gradient(135deg, rgba(14, 20, 34, 0.95), rgba(28, 18, 48, 0.85));
  border: 1px solid var(--border-violet);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(139, 92, 246, 0.15);
}

.donate-highlight-box::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
  pointer-events: none;
}

.donate-content {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.donate-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.donate-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.donate-tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  text-align: left;
}

.donate-tier-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}

.donate-tier-card:hover {
  border-color: var(--violet);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-3px);
}

.tier-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.tier-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #03050a;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-bio p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 1.25rem 0 1.5rem;
  max-width: 340px;
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-bottom a {
  color: var(--text-muted);
}
.footer-bottom a:hover {
  color: var(--cyan);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .products-grid,
  .pillars-grid,
  .donate-tiers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .research-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .products-grid,
  .pillars-grid,
  .donate-tiers-grid {
    grid-template-columns: 1fr;
  }

  .lang-selector-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: rgba(9, 13, 22, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}