/* Cyber-Minimalist Design System - Project Tacticies */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #09090b;
  --bg-secondary: #121214;
  --bg-card: #18181b;
  --bg-card-hover: #202024;
  
  --accent-violet: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-cyan: #06b6d4;
  
  --accent-violet-glow: rgba(139, 92, 246, 0.25);
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --max-width: 1200px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base Resets & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 40%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-violet-glow);
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* App Shell Layout */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-cyan-glow);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  box-shadow: inset 0 -2px var(--accent-violet);
  border-radius: 6px 6px 0 0;
}

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

.nav-cart-btn {
  position: relative;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.nav-cart-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.7rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-spring);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-violet {
  background: var(--accent-violet);
  color: var(--text-primary);
  box-shadow: 0 4px 14px var(--accent-violet-glow);
}

.btn-violet:hover {
  transform: translateY(-2px);
  background: #7c3aed;
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-emerald {
  background: var(--accent-emerald);
  color: var(--bg-primary);
  box-shadow: 0 4px 14px var(--accent-emerald-glow);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  background: #059669;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* App Main Content */
.app-main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
  position: relative;
}

/* Page Section Wrappers */
.page-section {
  display: none;
}

.page-section.active {
  display: block;
  animation: pageEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cyber Card Styling */
.cyber-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    250px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(255, 255, 255, 0.04),
    transparent 80%
  );
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

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

.cyber-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.cyber-card.glow-violet:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 4px 20px var(--accent-violet-glow);
}

.cyber-card.glow-cyan:hover {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.cyber-card.glow-emerald:hover {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 4px 20px var(--accent-emerald-glow);
}

/* Home Section Layouts */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 5rem 1rem 6rem;
  position: relative;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-violet);
  margin-bottom: 1.5rem;
  background: rgba(139, 92, 246, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.hero-title span {
  background: linear-gradient(to right, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
}

/* Expertise Matrix Components */
.section-header {
  margin-bottom: 3rem;
}

.section-label {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

.matrix-category-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.matrix-category-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--accent-violet);
  border-radius: 2px;
}

.matrix-skills-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.skill-item:hover {
  border-color: var(--accent-violet-glow);
  background: rgba(139, 92, 246, 0.03);
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.skill-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.skill-level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.skill-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 0.25rem;
}

/* Selected Work Grid */
.home-work-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

.work-grid-large {
  grid-template-columns: repeat(2, 1fr);
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

.project-metric {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-emerald);
}

.project-link {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.project-link:hover {
  color: var(--accent-violet);
  transform: translateX(2px);
}

/* Testimonials Carousel */
.testimonial-section {
  margin-bottom: 5rem;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  padding: 1rem 0;
}

.carousel-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card {
  min-width: calc(33.333% - 1.33rem);
  flex-shrink: 0;
}

.testimonial-content {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar-placeholder {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.25);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.95rem;
}

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

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.carousel-dot.active {
  background: var(--accent-violet);
  transform: scale(1.3);
  box-shadow: 0 0 8px var(--accent-violet-glow);
}

/* Portfolio Page Filters */
.portfolio-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.filter-group {
  display: flex;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-color-hover);
}

.filter-btn.active {
  color: var(--bg-primary);
  background: var(--text-primary);
  border-color: var(--text-primary);
}

/* Case Study Deep View */
.case-study-view {
  display: none;
}

.case-study-view.active {
  display: block;
}

.case-study-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.case-study-back:hover {
  color: var(--accent-violet);
}

.case-study-header {
  margin-bottom: 3rem;
}

.case-study-meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.case-study-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.case-study-action-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.case-study-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.metric-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-emerald);
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.case-study-rich-text {
  max-width: 800px;
  line-height: 1.75;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.case-study-rich-text h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.case-study-rich-text p {
  margin-bottom: 1.5rem;
}

.case-study-rich-text ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.case-study-rich-text li {
  margin-bottom: 0.5rem;
}

.case-study-rich-text code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: var(--accent-cyan);
}

.case-study-rich-text pre {
  margin: 2rem 0;
  border-radius: 8px;
  overflow-x: auto;
}

.case-study-rich-text pre code {
  display: block;
  padding: 1.5rem;
  color: #a78bfa;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

/* Blog Components */
.blog-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 12px var(--accent-violet-glow);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-meta-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
}

.blog-cat {
  color: var(--accent-cyan);
}

.blog-date {
  color: var(--text-muted);
}

.blog-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.blog-read-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Single Blog Article Layout */
.blog-article-view {
  display: none;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
  align-items: start;
}

.blog-article-view.active {
  display: grid;
}

.toc-sidebar {
  position: sticky;
  top: 100px;
}

.toc-title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toc-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: block;
}

.toc-link:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.article-content-container {
  max-width: 800px;
}

.article-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.article-back-btn:hover {
  color: var(--accent-violet);
}

.article-meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

.article-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.article-body {
  line-height: 1.8;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.article-body h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

.article-body pre {
  margin: 2rem 0;
  border-radius: 8px;
  overflow-x: auto;
}

.article-body pre code {
  display: block;
  padding: 1.5rem;
  color: #a78bfa;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

/* Newsletter Inline Box */
.embedded-newsletter-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 2rem;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.embedded-newsletter-box::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.embedded-newsletter-box h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.embedded-newsletter-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.newsletter-input-group {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input-group input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.newsletter-input-group input:focus {
  border-color: var(--accent-emerald);
}

.newsletter-status {
  margin-top: 0.75rem;
  font-size: 0.8rem;
}

.newsletter-status.success {
  color: var(--accent-emerald);
}

.newsletter-status.error {
  color: #f87171;
}

/* Shop Components */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-image-area {
  height: 160px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-image-area::before {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.product-image-mock {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid var(--accent-violet);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.product-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.product-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Sliding Cart Panel */
.cart-panel {
  position: fixed;
  top: 0;
  right: -450px;
  width: 100%;
  max-width: 420px;
  height: 100vh;
  background: rgba(24, 24, 27, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-color);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.cart-panel.open {
  right: 0;
}

.cart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-title {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-close-btn {
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.cart-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.cart-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cart-empty-message {
  text-align: center;
  color: var(--text-muted);
  margin-top: 4rem;
  font-size: 0.9rem;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.cart-item-details {
  flex: 1;
}

.cart-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.cart-item-price {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.cart-item-remove {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: var(--transition-smooth);
}

.cart-item-remove:hover {
  color: #ef4444;
}

.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  background: rgba(18, 18, 20, 0.5);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.checkout-btn {
  width: 100%;
}

/* Contact and Scheduling Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-card-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-card-info p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.contact-info-item svg {
  color: var(--accent-violet);
}

.contact-form-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-input:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 10px var(--accent-violet-glow);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Simulated Calendly Widget */
.scheduler-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.scheduler-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.scheduler-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

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

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.calendar-day-header {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.25rem 0;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.calendar-day:hover:not(.empty):not(.past) {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color-hover);
}

.calendar-day.past {
  color: var(--text-muted);
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-day.empty {
  cursor: default;
}

.calendar-day.active {
  background: var(--accent-violet);
  color: var(--text-primary);
  font-weight: 700;
  box-shadow: 0 0 10px var(--accent-violet-glow);
}

.time-slots-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.time-slots-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.time-slots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.time-slot {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.time-slot:hover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.time-slot.active {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
  font-weight: 700;
}

.schedule-submit-btn {
  margin-top: 1.5rem;
  width: 100%;
}

/* Shield Checkbox (Turnstile Anti-spam Simulation) */
.shield-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.shield-label-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.shield-checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.shield-checkbox-custom.checked {
  border-color: var(--accent-emerald);
  background: var(--accent-emerald);
}

.shield-checkbox-custom svg {
  color: var(--bg-primary);
  width: 12px;
  height: 12px;
}

.shield-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-violet);
  border-radius: 50%;
  animation: shieldSpin 0.8s linear infinite;
  display: none;
}

.shield-checkbox-custom.loading .shield-spinner {
  display: block;
}

.shield-checkbox-custom.loading svg {
  display: none;
}

@keyframes shieldSpin {
  to { transform: rotate(360deg); }
}

.shield-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.shield-brand-title {
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--text-primary);
}

.shield-brand-desc {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

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

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 460px;
  padding: 2.25rem;
  position: relative;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: modalEnter 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2) forwards;
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-icon {
  margin: 0 auto 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
  box-shadow: 0 0 15px var(--accent-emerald-glow);
}

.modal-icon.checkout {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.75rem;
}

/* Footer styling */
.app-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 3rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.footer-social-link {
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.footer-social-link:hover {
  color: var(--accent-violet);
  transform: translateY(-2px);
}

/* Responsive Grid Breakpoints */
@media (max-width: 1024px) {
  .matrix-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .shop-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }
  .nav-links {
    display: none; /* Can build toggle later if needed, SPAs often stack */
  }
  .app-main {
    padding: 2rem 1rem;
  }
  .matrix-grid,
  .work-grid,
  .shop-grid {
    grid-template-columns: 1fr;
  }
  .work-grid-large {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-article-view {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .toc-sidebar {
    display: none;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .testimonial-card {
    min-width: 100%;
  }
  .case-study-metric-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .admin-metrics-row {
    grid-template-columns: 1fr;
  }
  .admin-dashboard-grid {
    display: flex;
    flex-direction: column;
  }
}

/* ADMIN DASHBOARD STYLES */
.admin-dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .admin-dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
  }
}
.admin-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.metric-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.metric-title {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.admin-card {
  padding: 1.5rem;
}
.table-responsive {
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
.admin-table th {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 600;
}
.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.admin-status-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
  cursor: pointer;
}
.admin-status-select:focus {
  outline: none;
  border-color: var(--accent-violet);
}
.admin-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.admin-list-item {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.admin-list-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.admin-list-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

/* Modal Shake Animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.4s ease-in-out;
}

.modal-content.shake {
  animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}
.auth-divider span {
  padding: 0 0.75rem;
}

/* Currency Dropdown */
.currency-dropdown {
  background: transparent;
  color: var(--text-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}
.currency-dropdown:hover, .currency-dropdown:focus {
  border-color: var(--accent-cyan);
}
.currency-dropdown option {
  background: var(--bg-card);
  color: var(--text-color);
}