:root {
  --bg-abyss: #000205;
  --bg-midnight: #010a15;
  --bg-trench: #00050a;
  
  --bio-cyan: #00f0ff;
  --bio-cyan-dim: rgba(0, 240, 255, 0.4);
  --bio-cyan-glow: rgba(0, 240, 255, 0.8);
  
  --bio-green: #00ff9d;
  --bio-green-dim: rgba(0, 255, 157, 0.4);
  --bio-green-glow: rgba(0, 255, 157, 0.8);
  
  --bio-blue: #0066ff;
  --bio-blue-dim: rgba(0, 102, 255, 0.4);
  
  --text-main: #8ab4f8;
  --text-muted: #4a6b9c;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-abyss);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at 50% 0%, var(--bg-midnight) 0%, var(--bg-trench) 60%, var(--bg-abyss) 100%);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Heavy scrolling feel - simulated via smooth scroll and parallax backgrounds */

/* Water Distortion Background */
.water-distortion-bg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  pointer-events: none;
  background: 
    radial-gradient(circle at 20% 30%, var(--bio-blue-dim) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, var(--bio-cyan-dim) 0%, transparent 40%);
  opacity: 0.15;
  filter: url(#water-distortion);
  animation: breathe 15s ease-in-out infinite alternate;
}

@keyframes breathe {
  0% { transform: scale(1) translate(0, 0); opacity: 0.1; }
  100% { transform: scale(1.05) translate(-1%, -1%); opacity: 0.2; }
}

/* Floating Particles (Micro-dust) */
.water-particles {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    radial-gradient(1.5px 1.5px at 20px 30px, var(--bio-cyan), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--bio-green), transparent),
    radial-gradient(1px 1px at 50px 160px, var(--bio-cyan), transparent),
    radial-gradient(2.5px 2.5px at 90px 40px, var(--bio-green), transparent),
    radial-gradient(1.5px 1.5px at 130px 80px, var(--bio-cyan), transparent),
    radial-gradient(2px 2px at 160px 120px, var(--bio-green), transparent);
  background-repeat: repeat;
  background-size: 200px 200px;
  animation: floatUp 40s linear infinite;
  opacity: 0.4;
}

.water-particles.layer-2 {
  background-size: 350px 350px;
  animation: floatUp 60s linear infinite;
  opacity: 0.2;
  transform: scale(1.5);
}

.water-particles.layer-3 {
  background-size: 500px 500px;
  animation: floatUp 90s linear infinite;
  opacity: 0.1;
  transform: scale(2);
}

@keyframes floatUp {
  0% { background-position: 0 0; }
  100% { background-position: 100px -1000px; }
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Typography & Bioluminescent Glows */
h1, h2, h3 {
  color: var(--bio-cyan);
  font-weight: 300;
  letter-spacing: 3px;
  text-shadow: 0 0 15px var(--bio-cyan-dim);
  transition: all 0.5s ease;
  margin-top: 0;
  border: none;
}

h1 {
  font-size: 3.5rem;
  text-align: center;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

h1:hover {
  color: #fff;
  text-shadow: 0 0 20px var(--bio-cyan), 0 0 40px var(--bio-cyan), 0 0 60px var(--bio-blue);
}

.subdomain {
  opacity: 0.6;
  font-size: 1.5rem;
  text-shadow: none;
}

.header-text {
  text-align: center;
  margin-bottom: 4rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Navigation */
nav ul {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  list-style: none;
  padding: 0;
  margin-bottom: 5rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.1rem;
  letter-spacing: 2px;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  position: relative;
  border: none;
}

nav a::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 30px;
  box-shadow: 0 0 0 rgba(0, 240, 255, 0);
  transition: all 0.4s ease;
}

nav a:hover {
  color: #fff;
  text-shadow: 0 0 10px var(--bio-cyan), 0 0 20px var(--bio-cyan);
}

nav a:hover::before {
  box-shadow: inset 0 0 20px var(--bio-cyan-dim), 0 0 15px var(--bio-cyan-dim);
  background: rgba(0, 240, 255, 0.05);
}

/* Links */
a {
  color: var(--bio-green);
  text-decoration: none;
  transition: all 0.3s ease;
  text-shadow: 0 0 8px var(--bio-green-dim);
  border: none;
}

a:hover {
  color: #fff;
  text-shadow: 0 0 15px var(--bio-green), 0 0 30px var(--bio-green);
}

/* Sections & Cards */
section {
  margin-bottom: 4rem;
  padding: 2.5rem;
  background: rgba(0, 5, 10, 0.4);
  border-radius: 20px;
  box-shadow: inset 0 0 30px rgba(0, 102, 255, 0.05);
  backdrop-filter: blur(10px);
  transition: all 0.5s ease;
  position: relative;
  overflow: hidden;
  border: none;
}

section::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.03), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

section:hover::before {
  opacity: 1;
}

section:hover {
  box-shadow: inset 0 0 40px rgba(0, 240, 255, 0.08), 0 0 30px rgba(0, 0, 0, 0.8);
  transform: translateY(-2px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

/* Lists */
ul {
  list-style: none;
  padding: 0;
}

li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--bio-cyan);
  border-radius: 50%;
  margin-right: 10px;
  font-size: 0.8rem;
  font-weight: bold;
  box-shadow: 0 0 10px var(--bio-cyan-dim);
  border: none;
}

/* Details / Summary */
details {
  margin-top: 1.5rem;
  background: rgba(0, 240, 255, 0.02);
  padding: 1.5rem;
  border-radius: 12px;
  transition: all 0.4s ease;
  border: none;
}

details:hover {
  background: rgba(0, 240, 255, 0.05);
  box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.05);
}

summary {
  cursor: pointer;
  color: var(--bio-cyan);
  outline: none;
  transition: all 0.3s ease;
  font-weight: 500;
  letter-spacing: 1px;
  border: none;
}

summary:hover {
  color: #fff;
  text-shadow: 0 0 15px var(--bio-cyan);
}

/* Services Container */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

/* Service Cards (Dynamically loaded) */
#services-container > div, .service-card {
  background: rgba(0, 2, 5, 0.6);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: inset 0 0 15px rgba(0, 255, 157, 0.03);
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: none;
}

#services-container > div::after, .service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 100%; height: 2px;
  background: var(--bio-green);
  box-shadow: 0 0 10px var(--bio-green);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

#services-container > div:hover::after, .service-card:hover::after {
  transform: scaleX(1);
}

#services-container > div:hover, .service-card:hover {
  transform: translateY(-10px);
  background: rgba(0, 10, 20, 0.8);
  box-shadow: 0 15px 30px rgba(0,0,0,0.8), inset 0 0 30px rgba(0, 255, 157, 0.1);
}

#services-container img {
  filter: drop-shadow(0 0 8px rgba(0, 255, 157, 0.3)) brightness(0.9);
  transition: all 0.4s ease;
  margin-bottom: 1rem;
}

#services-container > div:hover img {
  filter: drop-shadow(0 0 20px rgba(0, 255, 157, 0.8)) brightness(1.2);
}

#services-container h3 {
  color: var(--bio-green);
  text-shadow: 0 0 10px var(--bio-green-dim);
}

#services-container > div:hover h3 {
  color: #fff;
  text-shadow: 0 0 15px var(--bio-green), 0 0 30px var(--bio-green);
}

/* Crypto section */
.crypto-item {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 12px;
  box-shadow: inset 0 0 15px rgba(0, 102, 255, 0.1);
  border: none;
}

.crypto-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.crypto-name {
  color: var(--bio-cyan);
  font-weight: bold;
  text-shadow: 0 0 10px var(--bio-cyan-dim);
}

.crypto-address {
  display: block;
  word-break: break-all;
  color: var(--text-main);
  font-family: 'Courier New', Courier, monospace;
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(0, 240, 255, 0.03);
  border-radius: 8px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
  border: none;
}

.qr-container {
  text-align: center;
  margin-top: 1rem;
}

.qr-container img {
  max-width: 150px;
  opacity: 0.5;
  transition: all 0.5s ease;
  filter: sepia(1) hue-rotate(180deg) saturate(3) brightness(0.6) drop-shadow(0 0 5px var(--bio-cyan-dim));
  border-radius: 8px;
}

.qr-container img:hover {
  opacity: 1;
  filter: drop-shadow(0 0 20px var(--bio-cyan));
  transform: scale(1.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem;
  margin-top: 5rem;
  border-top: 1px solid rgba(0, 240, 255, 0.1);
  box-shadow: 0 -20px 40px rgba(0, 0, 0, 0.5);
}

/* Contact items */
.contact-item {
  margin-bottom: 1.2rem;
}

.contact-label {
  display: inline-block;
  width: 90px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Link grid */
.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.footer-link {
  padding: 0.6rem 1.2rem;
  background: rgba(0, 240, 255, 0.03);
  border-radius: 30px;
  color: var(--bio-cyan);
  text-shadow: 0 0 8px var(--bio-cyan-dim);
  border: none;
}

.footer-link:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: inset 0 0 15px var(--bio-cyan-dim), 0 0 20px var(--bio-cyan-dim);
  color: #fff;
}

/* Guest Info */
.guest-info {
  border-left: 3px solid var(--bio-green);
}

.guest-credentials {
  background: rgba(0, 255, 157, 0.05);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  font-family: monospace;
  color: var(--bio-green);
  text-shadow: 0 0 5px var(--bio-green-dim);
}

.guest-credentials .label {
  color: var(--text-muted);
  text-shadow: none;
}

/* Buttons */
button, .button {
  background: transparent;
  border: none;
  color: var(--bio-cyan);
  text-shadow: 0 0 10px var(--bio-cyan-dim);
  box-shadow: inset 0 0 15px rgba(0, 240, 255, 0.1);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.4s ease;
}

button:hover, .button:hover {
  color: #fff;
  text-shadow: 0 0 20px var(--bio-cyan);
  box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.3), 0 0 15px rgba(0, 240, 255, 0.2);
}