/* =========================================================
   TECG SOFT — Dark Intelligence Theme
   AI-First. Secure by Design. Built for Impact.
   ========================================================= */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0A0A1A;
  --bg-secondary: #111127;
  --bg-card: #1A1A3E;
  --bg-card-hover: #222255;
  --gold-primary: #C5A355;
  --gold-light: #D4AF37;
  --gold-glow: rgba(197, 163, 85, 0.15);
  --gold-glow-strong: rgba(197, 163, 85, 0.3);
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0B8;
  --text-muted: #6B6B8D;
  --accent-teal: #00A8A8;
  --accent-teal-glow: rgba(0, 168, 168, 0.15);
  --accent-purple: #7C3AED;
  --accent-purple-glow: rgba(124, 58, 237, 0.15);
  --border: rgba(197, 163, 85, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --nav-height: 72px;
  --section-padding: 120px 5%;
  --section-padding-mobile: 60px 5%;
  --max-width: 1240px;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.text-gold { color: var(--gold-primary); }
.text-teal { color: var(--accent-teal); }
.text-purple { color: var(--accent-purple); }
.text-muted { color: var(--text-muted); }
.font-mono { font-family: var(--font-mono); }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 640px;
  margin: 0 auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 52px;
  width: 200px;
  object-fit: cover;
  object-position: 18% 38%;
  border-radius: 6px;
  background: #fff;
}

.footer .nav-logo-img {
  height: 44px;
  width: 170px;
  object-fit: cover;
  object-position: 18% 38%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-primary);
  transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  margin-top: 16px;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
}

.nav-dropdown-menu a:hover {
  background: var(--bg-card);
  color: var(--gold-primary);
}

.nav-dropdown-menu a::after {
  display: none;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  padding: 100px 30px 30px;
  transition: right 0.4s ease;
  z-index: 999;
}

.nav-drawer.open {
  right: 0;
}

.nav-drawer a {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-drawer a:hover {
  color: var(--gold-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197, 163, 85, 0.3);
}

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

.btn-outline:hover {
  background: var(--gold-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

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

.btn-teal:hover {
  background: #00bfbf;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 168, 168, 0.3);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.nav-links .btn-gold {
  color: #000;
}

.nav-links .btn-gold:hover {
  color: #000;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-gold:hover { border-color: var(--gold-primary); box-shadow: 0 20px 40px rgba(197, 163, 85, 0.1); }
.card-teal:hover { border-color: var(--accent-teal); box-shadow: 0 20px 40px rgba(0, 168, 168, 0.1); }
.card-purple:hover { border-color: var(--accent-purple); box-shadow: 0 20px 40px rgba(124, 58, 237, 0.1); }

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card-icon-gold { background: var(--gold-glow); color: var(--gold-primary); }
.card-icon-teal { background: var(--accent-teal-glow); color: var(--accent-teal); }
.card-icon-purple { background: var(--accent-purple-glow); color: var(--accent-purple); }

/* --- Tags --- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-gold { background: var(--gold-glow); color: var(--gold-primary); }
.tag-teal { background: var(--accent-teal-glow); color: var(--accent-teal); }
.tag-purple { background: var(--accent-purple-glow); color: var(--accent-purple); }
.tag-white { background: rgba(255,255,255,0.08); color: var(--text-secondary); }

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 5% 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 .gold {
  color: var(--gold-primary);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Neural network canvas background */
#neural-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.4;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 140px 5% 80px;
  text-align: center;
  position: relative;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto;
}

/* --- Pillar Cards --- */
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 40px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-6px);
}

.pillar-card.gold:hover { border-color: var(--gold-primary); box-shadow: 0 24px 48px rgba(197, 163, 85, 0.1); }
.pillar-card.teal:hover { border-color: var(--accent-teal); box-shadow: 0 24px 48px rgba(0, 168, 168, 0.1); }
.pillar-card.purple:hover { border-color: var(--accent-purple); box-shadow: 0 24px 48px rgba(124, 58, 237, 0.1); }

.pillar-card h3 {
  margin: 16px 0 4px;
}

.pillar-card .subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.pillar-card .body-text {
  flex: 1;
  margin-bottom: 20px;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.pillar-card .card-cta {
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.pillar-card.gold .card-cta { color: var(--gold-primary); }
.pillar-card.teal .card-cta { color: var(--accent-teal); }
.pillar-card.purple .card-cta { color: var(--accent-purple); }

.pillar-card .card-cta:hover {
  gap: 12px;
}

/* --- Stats Bar --- */
.stats-bar {
  padding: 60px 5%;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--gold-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

/* --- AI Comparison --- */
.ai-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto 60px;
}

.ai-compare-col {
  border-radius: var(--radius);
  padding: 36px;
}

.ai-compare-col.traditional {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
}

.ai-compare-col.agentic {
  background: var(--gold-glow);
  border: 1px solid var(--border);
}

.ai-compare-col h4 {
  margin-bottom: 20px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ai-compare-col.traditional h4 { color: var(--text-muted); }
.ai-compare-col.agentic h4 { color: var(--gold-primary); }

.ai-compare-col ul li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.ai-compare-col.agentic ul li {
  color: var(--text-primary);
}

/* --- Featured Products Scroll --- */
.products-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 20px 5% 40px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.products-scroll::-webkit-scrollbar {
  display: none;
}

.product-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--gold-primary);
  box-shadow: 0 0 30px var(--gold-glow);
  transform: scale(1.02);
}

.product-card .tag {
  margin-bottom: 14px;
}

.product-card h4 {
  margin-bottom: 10px;
}

.product-card p {
  font-size: 0.9rem;
}

/* --- Industries Grid --- */
.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  text-align: center;
}

.industry-card:hover {
  transform: perspective(600px) rotateY(3deg) rotateX(2deg);
  border-color: var(--border);
}

.industry-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.industry-card h4 {
  margin-bottom: 8px;
}

.industry-card p {
  font-size: 0.85rem;
}

/* --- Why TECG SOFT --- */
.why-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--border);
}

.why-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gold-glow);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.why-card h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.why-card p {
  font-size: 0.85rem;
}

/* --- Contact Section --- */
.contact-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  margin-bottom: 16px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

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

.contact-form select {
  appearance: none;
  cursor: pointer;
}

.contact-info h3 {
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.contact-detail span:first-child {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gold-glow);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  padding: 60px 5% 30px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto 40px;
}

.footer-brand .nav-logo {
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.85rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--gold-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Product Page Sections --- */
.product-hero {
  padding: 140px 5% 80px;
  position: relative;
  overflow: hidden;
}

.product-hero-content {
  max-width: 700px;
}

.product-hero .tag {
  margin-bottom: 16px;
}

.product-hero h1 {
  margin-bottom: 16px;
}

.product-hero p {
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border);
}

.feature-card h4 {
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
}

/* AI Agent Badge - shown on every product */
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--gold-glow);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
  margin-bottom: 20px;
}

.ai-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Agent cards used across product pages */
.agent-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.agent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-primary), transparent);
}

.agent-card h4 {
  color: var(--gold-primary);
  margin-bottom: 4px;
}

.agent-card .agent-goal {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Typewriter cursor */
.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--gold-primary);
  margin-left: 4px;
  animation: blink 0.8s infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 5%;
  }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-drawer { display: block; }

  .hero {
    min-height: auto;
    padding: 120px 5% 60px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-compare {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .product-card {
    flex: 0 0 260px;
  }
}

@media (max-width: 480px) {
  .grid-6 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}