/* Ethem Hub - Design System & Styling */

:root {
  /* HSL Tailored Color Scheme */
  --bg-dark: hsl(240, 24%, 4%);
  --bg-glass: hsla(240, 20%, 8%, 0.55);
  --bg-glass-hover: hsla(240, 20%, 12%, 0.75);
  --bg-code: hsla(240, 25%, 5%, 0.85);
  
  --border-light: hsla(0, 0%, 100%, 0.08);
  --border-light-hover: hsla(0, 0%, 100%, 0.16);
  
  --text-primary: hsl(0, 0%, 96%);
  --text-secondary: hsl(240, 12%, 76%);
  --text-muted: hsl(240, 8%, 52%);
  
  --accent-purple: hsl(271, 91%, 65%);
  --accent-cyan: hsl(192, 95%, 50%);
  --accent-magenta: hsl(324, 91%, 60%);
  --accent-green: hsl(142, 76%, 45%);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-fast: 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  
  --glow-shadow-purple: 0 0 20px hsla(271, 91%, 65%, 0.25);
  --glow-shadow-cyan: 0 0 20px hsla(192, 95%, 50%, 0.25);
}

/* Reset and Global Setup */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas styling */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: hsla(240, 10%, 20%, 0.8);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: hsla(240, 10%, 30%, 0.8);
}

/* Layout Container */
.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 900px;
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: page-entrance var(--transition-slow) forwards 0.2s;
}

@keyframes page-entrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header Aesthetics */
.header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.logo-area {
  position: relative;
  display: inline-block;
}

.title-gradient {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3.5rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-purple) 65%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  position: relative;
  z-index: 2;
  text-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.title-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 80%;
  background: radial-gradient(circle, hsla(271, 91%, 65%, 0.15) 0%, transparent 70%);
  z-index: 1;
  filter: blur(10px);
  pointer-events: none;
}

.tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.6;
  font-weight: 300;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Sections */
.section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  padding-left: 1rem;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan));
  border-radius: 2px;
}

/* Cards Grid & Textbox Card styling */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  /* If odd elements, make the first one take full width or let it lay out naturally */
  .cards-grid > *:only-child {
    grid-column: span 2;
  }
}

.card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition-fast), transform var(--transition-medium), box-shadow var(--transition-medium);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light-hover);
  box-shadow: var(--glow-shadow-purple), 0 10px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Copyable Text Block Container */
.copy-block {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 1rem 3.5rem 1rem 1rem;
  display: flex;
  align-items: center;
  min-height: 52px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.copy-block:hover {
  border-color: hsla(271, 91%, 65%, 0.4);
}

.copy-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-cyan);
  white-space: nowrap;
  overflow-x: auto;
  width: 100%;
  scrollbar-width: none; /* Hide default scrollbar Firefox */
}

.copy-text::-webkit-scrollbar {
  display: none; /* Hide default scrollbar Chrome/Safari */
}

/* Copy Button Styling */
.copy-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: hsla(0, 0%, 100%, 0.05);
  border: 1px solid var(--border-light);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: hsla(0, 0%, 100%, 0.15);
  border-color: hsla(271, 91%, 65%, 0.6);
  color: var(--text-primary);
  transform: translateY(-50%) scale(1.05);
}

.copy-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

/* Copied Success state */
.copy-btn.copied {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: white;
  box-shadow: 0 0 10px hsla(142, 76%, 45%, 0.5);
}

.copy-btn.copied svg {
  transform: scale(1.1);
}

/* Notification/Tooltip style copy action */
.copy-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--accent-green);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  z-index: 100;
  pointer-events: none;
  transition: all var(--transition-medium);
}

.copy-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.copy-toast-icon {
  color: var(--accent-green);
  font-weight: bold;
}

/* Links Portal Grid & Buttons styling */
.links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.link-card {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-medium);
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 50%, var(--btn-glow-color, var(--accent-purple)) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 1;
  pointer-events: none;
}

.link-card:hover {
  transform: translateY(-3px);
  border-color: var(--btn-glow-color, var(--accent-purple));
  box-shadow: 0 0 20px var(--btn-glow-shadow, var(--glow-shadow-purple)), 0 5px 15px rgba(0, 0, 0, 0.3);
}

.link-card:hover::before {
  opacity: 0.15;
}

.link-content {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 2;
}

.link-icon {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.link-label {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.link-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
  z-index: 2;
}

.link-card:hover .link-arrow {
  color: var(--text-primary);
  transform: translateX(4px);
}

/* Footer & License styling */
.footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  margin-top: 2rem;
}

.license-notice {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--text-muted), var(--text-secondary), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.footer-decor {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100px;
}

.decor-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-light-hover);
}

.decor-line {
  flex-grow: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light-hover), transparent);
}