:root {
  --bg-main: #07070a;
  --bg-card: rgba(18, 18, 26, 0.75);
  --bg-card-hover: rgba(26, 26, 38, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 230, 118, 0.3);
  --accent-green: #00e676;
  --accent-red: #ff3b26;
  --accent-blue: #3b82f6;
  --accent-purple: #a855f7;
  --accent-gold: #f59e0b;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(0, 230, 118, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(59, 130, 246, 0.04) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(7, 7, 10, 0.85);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent-green);
  object-fit: cover;
  box-shadow: 0 0 16px rgba(0, 230, 118, 0.25);
}

.brand-info h1 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 230, 118, 0.25);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

/* Hero Section */
.hero {
  padding: 64px 32px 32px;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.hero-pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
}

.hero h2 span {
  background: linear-gradient(135deg, #00e676, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 36px;
}

/* Metrics Grid */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto 48px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 16px;
  backdrop-filter: blur(10px);
  transition: transform 0.2s, border-color 0.2s;
}

.metric-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.metric-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.metric-number.green { color: var(--accent-green); }
.metric-number.blue { color: var(--accent-blue); }
.metric-number.purple { color: var(--accent-purple); }
.metric-number.gold { color: var(--accent-gold); }
.metric-number.red { color: var(--accent-red); }

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 4px;
}

/* Controls: Filters & Search */
.controls-container {
  max-width: 1400px;
  margin: 0 auto 32px;
  padding: 0 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-bar {
  position: relative;
  max-width: 500px;
  width: 100%;
}

.search-bar input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 18px 14px 44px;
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.search-bar input:focus {
  border-color: var(--accent-green);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.2);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.filter-btn.active {
  background: var(--accent-green);
  color: #000;
  border-color: var(--accent-green);
  box-shadow: 0 0 18px rgba(0, 230, 118, 0.35);
}

.filter-count {
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.filter-btn.active .filter-count {
  background: rgba(0, 0, 0, 0.25);
  color: #000;
}

/* Portfolio Grid */
.portfolio-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

/* Item Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  min-width: 0;
  max-width: 100%;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s, box-shadow 0.25s;
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.card-featured {
  border: 1px solid rgba(0, 230, 118, 0.45);
  box-shadow: 0 0 24px rgba(0, 230, 118, 0.12);
  background: linear-gradient(180deg, rgba(24, 30, 28, 0.85) 0%, rgba(14, 15, 22, 0.9) 100%);
}

.card-featured:hover {
  border-color: var(--accent-green);
  box-shadow: 0 16px 40px rgba(0, 230, 118, 0.25);
}

.badge-featured {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #000;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.05em;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.card-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-category-badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 8px;
}

.badge-saas { background: rgba(0, 230, 118, 0.15); color: var(--accent-green); border: 1px solid rgba(0, 230, 118, 0.3); }
.badge-n8n { background: rgba(245, 158, 11, 0.15); color: var(--accent-gold); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-biolink { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-lp { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-calc { background: rgba(255, 59, 38, 0.15); color: var(--accent-red); border: 1px solid rgba(255, 59, 38, 0.3); }

.card-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.status-dot-active {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-green);
}

/* Card Image Preview */
.card-media {
  width: 100%;
  height: 220px;
  background: #000;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-media.mobile-frame {
  height: 320px;
  background: radial-gradient(circle, #181822 0%, #0c0c12 100%);
  padding: 12px;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.card-media.mobile-frame img {
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.card:hover .card-media img {
  transform: scale(1.03);
}

.card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #d1d5db;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 6px;
}

.card-monetization {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--accent-green);
  padding: 10px 12px;
  border-radius: 0 8px 8px 0;
  font-size: 0.8rem;
  color: #e5e7eb;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-primary {
  background: var(--accent-green);
  color: #000;
  border: none;
}

.btn-primary:hover {
  background: #00ff84;
  box-shadow: 0 0 16px rgba(0, 230, 118, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Workflow Custom Card */
.workflow-card-media {
  height: 180px;
  background: linear-gradient(135deg, #101018 0%, #171726 100%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.workflow-node-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 100%;
}

.node-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

.node-box.trigger { border-color: var(--accent-gold); color: var(--accent-gold); }
.node-box.logic { border-color: var(--accent-blue); color: var(--accent-blue); }
.node-box.action { border-color: var(--accent-green); color: var(--accent-green); }

.node-arrow {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Interactive Preview Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal-window {
  background: #0e0e14;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  width: 100%;
  max-width: 1200px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

.modal-header {
  padding: 14px 20px;
  background: #14141c;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.view-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
}

.view-toggle.active {
  background: var(--accent-green);
  color: #000;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

.close-btn:hover {
  color: #fff;
}

.modal-body {
  flex-grow: 1;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  transition: width 0.3s ease;
}

.modal-iframe.mobile-view {
  width: 420px;
  height: 94%;
  border: 4px solid #2d2d3d;
  border-radius: 28px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 48px 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent-green);
  text-decoration: none;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
  }
}

@media (max-width: 768px) {
  header {
    padding: 10px 16px;
    gap: 10px;
  }

  .brand {
    gap: 10px;
    min-width: 0;
    flex: 1;
  }

  .avatar {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }

  .brand-info {
    min-width: 0;
  }

  .brand-info h1 {
    font-size: 0.96rem;
    line-height: 1.2;
    font-weight: 700;
  }

  .brand-role {
    display: none;
  }

  .status-badge {
    padding: 4px 9px;
    font-size: 0.68rem;
    flex-shrink: 0;
    gap: 5px;
    letter-spacing: -0.01em;
  }

  .pulse-dot {
    width: 6px;
    height: 6px;
  }

  .hero {
    padding: 28px 16px 20px;
  }

  .hero-pill {
    padding: 4px 12px;
    font-size: 0.68rem;
    margin-bottom: 12px;
    white-space: normal;
    line-height: 1.35;
  }

  .hero h2 {
    font-size: clamp(1.4rem, 6.5vw, 1.8rem);
    line-height: 1.22;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    word-break: normal;
  }

  .hero p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 28px;
  }

  .stat-card {
    padding: 14px 10px;
    border-radius: 14px;
  }

  .stat-number {
    font-size: 1.65rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }

  .controls-section {
    padding: 0 16px;
    gap: 12px;
  }

  .search-bar {
    max-width: 100%;
  }

  .search-bar input {
    padding: 11px 14px 11px 38px;
    font-size: 0.88rem;
    border-radius: 10px;
  }

  .filter-tabs {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 8px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.78rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .portfolio-grid {
    padding: 0 16px 50px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .card {
    border-radius: 16px;
  }

  .card-header {
    padding: 12px 14px;
  }

  .card-media {
    height: 200px;
  }

  .card-media.mobile-frame {
    height: 280px;
  }

  .card-content {
    padding: 16px 14px;
  }

  .card-title {
    font-size: 1.1rem;
    line-height: 1.3;
  }

  .card-desc {
    font-size: 0.84rem;
    line-height: 1.45;
    margin-bottom: 12px;
  }

  .card-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .card-actions .btn {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.85rem;
    justify-content: center;
    text-align: center;
  }

  .modal-overlay {
    padding: 8px;
  }

  .modal-window {
    height: 96vh;
    border-radius: 16px;
  }

  .modal-header {
    padding: 10px 14px;
  }

  .modal-title {
    font-size: 0.88rem;
  }

  .modal-controls .view-toggle {
    display: none;
  }

  .modal-iframe.mobile-view {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  footer {
    padding: 36px 16px;
    font-size: 0.82rem;
    line-height: 1.5;
  }
}

@media (max-width: 540px) {
  .badge-domain {
    display: none;
  }
  .h1-sub {
    display: none;
  }
  .card-status {
    max-width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.68rem;
  }
}