/* ==========================================================================
   ETEMEN — ARCHITECTURAL & FUTURISTIC WEB DEVELOPMENT SHOWCASE HUB
   ========================================================================== */

:root {
  --bg-dark: #06070a;
  --bg-surface: #0c0e14;
  --bg-card: rgba(15, 18, 26, 0.75);
  --bg-glass: rgba(18, 22, 32, 0.6);
  
  --neon-cyan: #00f0ff;
  --neon-cyan-glow: rgba(0, 240, 255, 0.25);
  --neon-purple: #9d4edd;
  --neon-purple-glow: rgba(157, 78, 221, 0.25);
  --neon-copper: #f77f00;
  --neon-emerald: #00ff9d;
  --neon-emerald-glow: rgba(0, 255, 157, 0.2);
  
  --text-main: #f0f4f8;
  --text-muted: #8a99ad;
  --text-dim: #505e70;
  
  --border-cyan: rgba(0, 240, 255, 0.25);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.5);
  
  --font-display: 'Orbitron', 'Space Grotesk', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  position: relative;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

/* Background Cyber Canvas & Grid */
#cyber-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

.scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 3px, 6px 100%;
  opacity: 0.6;
}

.wrap {
  width: min(1280px, calc(100% - 48px));
  margin-inline: auto;
  position: relative;
  z-index: 5;
}

/* Navigation HUD */
.cyber-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-cyan);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.cyber-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-main);
}

.cyber-logo-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  color: #000;
  font-size: 1.1rem;
  box-shadow: 0 0 15px var(--neon-cyan-glow);
}

.cyber-logo-text {
  display: flex;
  flex-direction: column;
}

.cyber-logo-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  background: linear-gradient(90deg, #fff, var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyber-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--neon-cyan);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.cyber-nav-status {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.hud-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid var(--border-cyan);
  border-radius: 4px;
  color: var(--neon-cyan);
}

.hud-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-emerald);
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
}

.cyber-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--neon-cyan), #00a8ff);
  color: #040810;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cyber-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--neon-cyan-glow);
  background: linear-gradient(135deg, #00ffff, #33b5ff);
}

/* Hero Section */
.cyber-hero {
  padding: 80px 0 60px;
  position: relative;
}

.cyber-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid rgba(157, 78, 221, 0.4);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #d8b4fe;
  margin-bottom: 28px;
  letter-spacing: 0.08em;
}

.cyber-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.cyber-title-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--neon-cyan) 70%, var(--neon-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.cyber-title-glow {
  text-shadow: 0 0 30px var(--neon-cyan-glow);
}

.cyber-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 820px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.cyber-lead strong {
  color: #fff;
}

/* Metric HUD Deck */
.hud-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.hud-metric-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  padding: 24px;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.hud-metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--neon-cyan);
}

.hud-metric-card:nth-child(2)::before { background: var(--neon-purple); }
.hud-metric-card:nth-child(3)::before { background: var(--neon-emerald); }
.hud-metric-card:nth-child(4)::before { background: var(--neon-copper); }

.hud-metric-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.hud-metric-val {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.hud-metric-unit {
  font-size: 1rem;
  color: var(--neon-cyan);
}

.hud-metric-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Interactive Filter Bar */
.showcase-section {
  padding: 80px 0;
}

.section-cyber-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.cyber-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.cyber-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.cyber-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: rgba(12, 14, 20, 0.8);
  padding: 6px;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.cyber-filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cyber-filter-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.cyber-filter-btn.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--border-cyan);
  color: var(--neon-cyan);
  font-weight: 600;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

/* Showcase Grid & Cards */
.cyber-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
}

.cyber-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(16px);
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.cyber-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  padding: 1px;
  background: linear-gradient(135deg, var(--border-cyan), transparent 60%, var(--neon-purple-glow));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.4;
  transition: opacity 0.35s ease;
}

.cyber-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.15);
}

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

/* Card Header HUD */
.cyber-card-header {
  padding: 16px 20px;
  background: rgba(6, 7, 10, 0.6);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cyber-card-dots {
  display: flex;
  gap: 6px;
}

.cyber-card-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.cyber-card-dots span:nth-child(1) { background: #ff5f56; }
.cyber-card-dots span:nth-child(2) { background: #ffbd2e; }
.cyber-card-dots span:nth-child(3) { background: #27c93f; }

.cyber-card-url {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
}

.cyber-card-score {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-emerald);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card Interactive Viewport Preview */
.cyber-card-preview {
  position: relative;
  height: 230px;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cyber-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.6s ease, filter 0.4s ease;
  filter: brightness(0.92) contrast(1.05);
}

.cyber-card:hover .cyber-card-preview img {
  transform: scale(1.05);
  filter: brightness(1);
}

.cyber-card-badge-top {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(6, 7, 10, 0.85);
  border: 1px solid var(--border-cyan);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

/* Card Content Body */
.cyber-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cyber-card-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-purple);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.cyber-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cyber-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
  flex-grow: 1;
}

.cyber-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 3px 10px;
  border-radius: 4px;
}

.cyber-card-actions {
  display: flex;
  gap: 12px;
}

.cyber-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1;
}

.cyber-btn-primary {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-cyan);
  color: var(--neon-cyan);
}

.cyber-btn-primary:hover {
  background: var(--neon-cyan);
  color: #040810;
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}

.cyber-btn-outline {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
}

.cyber-btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

/* Architecture Specs Comparison Table */
.specs-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.02) 50%, transparent);
}

.comparison-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 32px;
  backdrop-filter: blur(16px);
  margin-top: 40px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
}

.comparison-table th {
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.comparison-table th:nth-child(2) {
  color: #ff5f56;
}

.comparison-table th:nth-child(3) {
  color: var(--neon-cyan);
}

.comparison-table td {
  font-size: 0.92rem;
}

.comparison-table td:first-child {
  font-family: var(--font-heading);
  font-weight: 600;
  color: #fff;
}

.bad-metric {
  color: #ff7b72;
  font-family: var(--font-mono);
}

.good-metric {
  color: var(--neon-emerald);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Cyber Terminal Project Estimator */
.calculator-section {
  padding: 80px 0;
}

.cyber-terminal {
  background: #080a0f;
  border: 1px solid var(--border-cyan);
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
  overflow: hidden;
}

.terminal-header {
  background: rgba(15, 18, 26, 0.9);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-body {
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
}

@media (max-width: 960px) {
  .terminal-body {
    grid-template-columns: 1fr;
  }
}

.terminal-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
  display: block;
}

.option-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.option-card {
  position: relative;
}

.option-card input[type="radio"],
.option-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.option-card-label {
  display: block;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.option-card-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  display: block;
  margin-bottom: 4px;
}

.option-card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
}

.option-card input:checked + .option-card-label {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.option-card input:checked + .option-card-label .option-card-title {
  color: var(--neon-cyan);
}

/* Terminal Result Sidebar */
.terminal-result-panel {
  background: rgba(12, 14, 20, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.terminal-result-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--border-glass);
  padding-bottom: 10px;
}

.terminal-price-big {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 8px;
}

.terminal-price-sub {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-emerald);
  margin-bottom: 24px;
}

.terminal-summary-list {
  list-style: none;
  margin-bottom: 28px;
}

.terminal-summary-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.terminal-summary-list li span:last-child {
  color: #fff;
}

.terminal-action-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  border: none;
  border-radius: 6px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
}

.terminal-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

/* Footer */
.cyber-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-glass);
  background: #040508;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cyber-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .cyber-grid {
    grid-template-columns: 1fr;
  }
  .hud-metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cyber-nav-status {
    display: none;
  }
  .comparison-table {
    display: block;
    overflow-x: auto;
  }
}