/* ========================================
   DeepSight - Industrial Automation Platform
   Design System v2.0 — Dark Tech Premium
   Inspired by: Siemens, ABB, Keyence
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  /* Brand Colors */
  --primary: #0B1F3A;
  --primary-light: #142B50;
  --accent: #00D4FF;
  --accent-dark: #00A8CC;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-2: #FF6B35;
  --accent-2-dark: #E5552A;

  /* Neutrals */
  --dark: #060B14;
  --dark-2: #0C1322;
  --dark-3: #131C30;
  --gray-900: #1A2332;
  --gray-800: #2A3441;
  --gray-700: #3D4856;
  --gray-600: #5A6573;
  --gray-500: #7B8590;
  --gray-400: #A0AAB4;
  --gray-300: #C5CDD4;
  --gray-200: #E2E8ED;
  --gray-100: #F0F4F7;
  --gray-50: #F8FAFC;
  --white: #FFFFFF;

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #060B14 0%, #0B1F3A 40%, #0C2B4D 70%, #0A1A30 100%);
  --grad-accent: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
  --grad-accent-2: linear-gradient(135deg, #FF6B35 0%, #FF8855 100%);
  --grad-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  --grad-text: linear-gradient(135deg, #00D4FF 0%, #00FFD4 50%, #00D4FF 100%);
  --grad-dark-card: linear-gradient(145deg, rgba(0,212,255,0.08) 0%, rgba(0,212,255,0.02) 100%);

  /* Typography */
  --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.25);
  --shadow-glow-lg: 0 0 48px rgba(0, 212, 255, 0.20);

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Section ---------- */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-dark { background: var(--dark); color: var(--gray-300); }
.section-dark-2 { background: var(--dark-2); color: var(--gray-300); }
.section-gray { background: var(--gray-50); }

.section-title { text-align: center; margin-bottom: 48px; }
.section-title .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 16px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  background: var(--accent-glow);
}
.section-title h2 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.2;
}
.section-dark .section-title h2,
.section-dark-2 .section-title h2 { color: var(--white); }
.section-title p {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-title p,
.section-dark-2 .section-title p { color: var(--gray-400); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 15px; }
.btn-primary {
  background: var(--grad-accent);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 212, 255, 0.45);
}
.btn-accent {
  background: var(--grad-accent-2);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--gray-300);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline-light:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 212, 255, 0.1);
}
.btn-ghost {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
}
.btn-ghost:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--accent);
}

/* ---------- Top Bar ---------- */
.top-bar {
  background: var(--dark);
  color: var(--gray-400);
  font-size: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,212,255,0.1);
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar .info { display: flex; align-items: center; gap: 20px; }
.top-bar .info span { display: flex; align-items: center; gap: 5px; }
.top-bar .info .ico { color: var(--accent); }

/* ---------- Navbar ---------- */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -1px;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text span:first-child { font-weight: 800; font-size: 17px; color: var(--primary); letter-spacing: -0.5px; }
.brand-text .en { font-size: 10px; color: var(--gray-500); letter-spacing: 2px; text-transform: uppercase; }

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition-fast);
}
.nav-menu > li > a:hover {
  color: var(--accent);
  background: var(--accent-glow);
}
.nav-menu > li > a.active {
  color: var(--accent);
}
.nav-menu > li > a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--grad-accent);
  border-radius: 2px;
}

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  max-width: 480px;
}
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.dropdown-menu li a:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

/* Nav Toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero Section ---------- */
.hero {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
}
/* Grid pattern overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
/* Glow orbs */
.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container {
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.hero-content { flex: 1; max-width: 640px; }
.hero-visual { flex: 0 0 420px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--white);
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat .num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Hero Visual - Tech Card */
.hero-visual-card {
  background: var(--grad-card);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 32px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.hero-visual-card .tech-icon {
  font-size: 64px;
  text-align: center;
  margin-bottom: 24px;
}
.hero-visual-card .tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.hero-visual-card .tech-item {
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.hero-visual-card .tech-item .ico { font-size: 24px; margin-bottom: 8px; }
.hero-visual-card .tech-item .name { font-size: 12px; color: var(--gray-400); font-weight: 600; }

/* ---------- Product Categories ---------- */
.category-section { padding: 80px 0; background: var(--gray-50); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.category-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 212, 255, 0.3);
}
.category-card:hover::before { transform: scaleX(1); }
.category-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: var(--radius);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: var(--transition);
}
.category-card:hover .icon {
  background: var(--grad-accent);
  box-shadow: var(--shadow-glow);
}
.category-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.category-card p {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 12px;
  line-height: 1.5;
}
.category-card .count {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  padding: 4px 12px;
  background: var(--accent-glow);
  border-radius: 12px;
}

/* Self-dev section label */
.section-divider {
  text-align: center;
  margin: 40px 0 24px;
}
.section-divider span {
  display: inline-block;
  padding: 6px 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 20px;
  background: rgba(255, 107, 53, 0.08);
}

/* ---------- About Section ---------- */
.about-section { padding: 80px 0; }
.about-section .container {
  display: flex;
  align-items: center;
  gap: 64px;
}
.about-content { flex: 1; }
.about-visual { flex: 0 0 400px; }
.about-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.about-content h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.about-content > p {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.about-feature .ico {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.about-feature .text h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.about-feature .text p { font-size: 13px; color: var(--gray-500); line-height: 1.5; }

/* About Visual */
.about-visual-card {
  background: var(--grad-hero);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0,212,255,0.15);
}
.about-visual-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}
.about-visual-card .big-icon { font-size: 56px; margin-bottom: 20px; position: relative; }
.about-visual-card h3 { font-size: 20px; font-weight: 700; color: var(--white); margin-bottom: 8px; position: relative; }
.about-visual-card p { font-size: 14px; color: var(--gray-400); position: relative; }
.about-visual-card .stats-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
  position: relative;
}
.about-visual-card .stat .num { font-size: 28px; font-weight: 800; color: var(--accent); }
.about-visual-card .stat .label { font-size: 11px; color: var(--gray-500); }

/* ---------- Advantages ---------- */
.advantages-section { padding: 80px 0; background: var(--dark); }
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.advantage-card {
  background: var(--grad-card);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.advantage-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.advantage-card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}
.advantage-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.advantage-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ---------- Industries ---------- */
.industries-section { padding: 80px 0; }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.industry-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}
.industry-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.industry-card .icon { font-size: 32px; margin-bottom: 10px; }
.industry-card .name { font-size: 13px; font-weight: 600; color: var(--gray-700); }

/* ---------- Reviews ---------- */
.reviews-section { padding: 80px 0; background: var(--gray-50); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.review-card .stars { color: #FFB800; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.review-card .text { font-size: 14px; color: var(--gray-600); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.review-card .author { display: flex; align-items: center; gap: 12px; }
.review-card .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--dark);
  font-size: 14px;
}
.review-card .author-info .name { font-size: 14px; font-weight: 600; color: var(--primary); }
.review-card .author-info .role { font-size: 12px; color: var(--gray-500); }

/* ---------- CTA ---------- */
.cta-section {
  padding: 80px 0;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-section .container { position: relative; text-align: center; }
.cta-section h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.cta-section p {
  font-size: 17px;
  color: var(--gray-400);
  margin-bottom: 32px;
}
.cta-section .actions { display: flex; gap: 16px; justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 64px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .logo-icon { width: 40px; height: 40px; }
.footer-brand .brand-text span:first-child { color: var(--white); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--gray-400);
  transition: var(--transition-fast);
  cursor: pointer;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.footer-bottom .social { display: flex; gap: 12px; }
.footer-bottom .social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition-fast);
}
.footer-bottom .social a:hover { background: var(--accent-glow); color: var(--accent); }

/* ---------- Page Banner ---------- */
.page-banner {
  background: var(--grad-hero);
  padding: 56px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-banner .container { position: relative; }
.page-banner h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.page-banner .breadcrumb { font-size: 14px; color: var(--gray-500); }
.page-banner .breadcrumb a { color: var(--accent); }

/* ---------- Products Page ---------- */
.products-page { padding: 48px 0; }
.products-layout {
  display: flex;
  gap: 32px;
}
.products-sidebar {
  flex: 0 0 260px;
}
.products-sidebar .sidebar-block {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}
.products-sidebar .sidebar-block h3 {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}
#cat-filter li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  font-size: 14px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition-fast);
  cursor: pointer;
}
#cat-filter li a:hover { background: var(--accent-glow); color: var(--accent); }
#cat-filter li a.active { background: var(--accent-glow); color: var(--accent); font-weight: 600; border-left: 3px solid var(--accent); }
#cat-filter li a .count {
  font-size: 12px;
  background: var(--gray-100);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--gray-500);
}
#cat-filter li a.active .count { background: var(--accent); color: var(--dark); }

.products-main { flex: 1; }
.products-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 16px;
}
#product-search {
  flex: 1;
  max-width: 400px;
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition-fast);
}
#product-search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
#product-sort {
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--white);
  cursor: pointer;
}
#result-info { font-size: 14px; color: var(--gray-500); }
#result-info strong { color: var(--accent); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 212, 255, 0.3);
}
.product-card.self-dev { border-color: rgba(255, 107, 53, 0.2); }
.product-card.self-dev:hover { border-color: rgba(255, 107, 53, 0.4); }
.product-card .product-img {
  height: 180px;
  background: var(--grad-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card .product-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}
.product-card .product-img .placeholder {
  font-size: 48px;
  position: relative;
  z-index: 1;
}
.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  z-index: 2;
}
.product-badge.hot { background: var(--accent-2); color: var(--white); }
.product-badge.new { background: var(--accent); color: var(--dark); }
.product-card .product-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-card .product-category { font-size: 12px; color: var(--gray-500); margin-bottom: 6px; display: flex; align-items: center; gap: 4px; }
.product-card .product-name { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 6px; line-height: 1.4; }
.product-card .product-desc { font-size: 12px; color: var(--gray-500); line-height: 1.5; flex: 1; margin-bottom: 12px; }
.product-card .product-footer { display: flex; justify-content: space-between; align-items: center; }
.product-card .inquiry-btn {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 16px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius);
  background: var(--accent-glow);
  transition: var(--transition-fast);
}
.product-card:hover .inquiry-btn { background: var(--grad-accent); color: var(--dark); border-color: transparent; }

/* ---------- Product Detail ---------- */
.product-detail-page { padding: 48px 0; }
.breadcrumb-bar {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb-bar a { color: var(--accent); cursor: pointer; }
.breadcrumb-bar .sep { color: var(--gray-300); }
.product-detail { display: flex; gap: 48px; margin-bottom: 48px; }
.product-gallery { flex: 0 0 440px; }
.product-main-img {
  height: 360px;
  background: var(--grad-hero);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  margin-bottom: 16px;
  border: 1px solid rgba(0,212,255,0.1);
  position: relative;
  overflow: hidden;
}
.product-main-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.product-thumbs { display: flex; gap: 12px; }
.product-thumb {
  width: 80px; height: 80px;
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-fast);
}
.product-thumb.active, .product-thumb:hover { border-color: var(--accent); }
.product-info { flex: 1; }
.product-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  padding: 4px 12px;
  background: var(--accent-glow);
  border-radius: 12px;
  margin-bottom: 12px;
}
.product-info h1 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.5px; }
.product-info .short-desc { font-size: 15px; color: var(--gray-600); line-height: 1.7; margin-bottom: 20px; }
.product-meta { margin-bottom: 24px; }
.product-meta table { width: 100%; border-collapse: collapse; }
.product-meta th, .product-meta td {
  padding: 10px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
  text-align: left;
}
.product-meta th { color: var(--gray-500); font-weight: 600; width: 140px; background: var(--gray-50); }
.product-meta td { color: var(--gray-800); }
.product-actions { display: flex; gap: 12px; margin-bottom: 24px; }
.product-trust { display: flex; gap: 24px; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-600); }
.trust-item .ico { color: var(--success); font-size: 16px; }

/* Tabs */
.product-tabs { margin-bottom: 48px; }
.tab-nav { display: flex; gap: 4px; border-bottom: 2px solid var(--gray-200); margin-bottom: 24px; }
.tab-btn {
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
}
.tab-btn.active { color: var(--accent); }
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-accent);
  border-radius: 2px;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.specs-table { width: 100%; border-collapse: collapse; }
.specs-table th, .specs-table td {
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  text-align: left;
  font-size: 14px;
}
.specs-table th { background: var(--gray-50); color: var(--gray-600); font-weight: 600; }

/* Inquiry Form */
.inquiry-form { max-width: 600px; }
.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-group { flex: 1; margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group .required { color: var(--danger); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* Related Products */
.related-products h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 24px; }

/* ---------- About Page ---------- */
.about-hero { padding: 80px 0; background: var(--grad-hero); position: relative; overflow: hidden; }
.about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.about-hero .container { position: relative; display: flex; align-items: center; gap: 48px; }
.about-hero .content { flex: 1; }
.about-hero .visual { flex: 0 0 360px; }
.about-hero h1 { font-size: 40px; font-weight: 800; color: var(--white); margin-bottom: 16px; letter-spacing: -1px; }
.about-hero p { font-size: 16px; color: var(--gray-400); line-height: 1.8; }

/* Values */
.values-section { padding: 80px 0; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.value-card .icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}
.value-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* Timeline */
.timeline-section { padding: 80px 0; background: var(--gray-50); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 40px;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-item::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.timeline-item .timeline-content {
  width: calc(50% - 32px);
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.timeline-item .year { font-size: 20px; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.timeline-item h4 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.timeline-item p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* ---------- Contact Page ---------- */
.contact-page { padding: 48px 0; }
.contact-layout { display: flex; gap: 48px; }
.contact-info { flex: 0 0 360px; }
.contact-info .info-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}
.contact-info .info-card h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.contact-info .info-card p { font-size: 14px; color: var(--gray-600); }
.contact-info .info-card .ico { color: var(--accent); font-size: 18px; }
.contact-form { flex: 1; }
.contact-form h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 20px; }
.contact-form .form-group { margin-bottom: 16px; }

/* ---------- Float Buttons ---------- */
.float-buttons { position: fixed; right: 20px; bottom: 24px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
  width: 50px; height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.float-btn.inquiry { background: var(--grad-accent-2); color: var(--white); }
.float-btn.inquiry:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4); }
.float-btn.top { background: var(--gray-800); color: var(--white); }
.float-btn.top:hover { transform: scale(1.1); background: var(--primary); }

/* ---------- Utilities ---------- */
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.text-center { text-align: center; }

/* ========================================
   v3.0 — Capability Loop + Equipment Showcase
   ======================================== */

/* ---------- Hero Grid Background ---------- */
.hero-grid-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }

/* ---------- Capability Loop Section ---------- */
.loop-section {
  padding: 90px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.loop-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 700px; height: 700px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.loop-wrapper {
  display: flex;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 1;
}
.loop-diagram {
  flex: 0 0 auto;
  width: 460px;
}
.loop-svg {
  width: 100%;
  height: auto;
  display: block;
}
.loop-cards {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.loop-card {
  background: var(--grad-card);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.loop-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-accent);
  opacity: 0;
  transition: var(--transition);
}
.loop-card:hover {
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.loop-card:hover::before { opacity: 1; }
.loop-card .step-num {
  position: absolute;
  top: 16px; right: 18px;
  font-size: 36px;
  font-weight: 900;
  color: rgba(0,212,255,0.08);
  line-height: 1;
}
.loop-card .icon {
  width: 50px; height: 50px;
  border-radius: var(--radius);
  background: var(--grad-dark-card);
  border: 1px solid rgba(0,212,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 14px;
}
.loop-card h3 {
  font-size: 17px; font-weight: 700; color: var(--white);
  margin-bottom: 8px;
}
.loop-card p {
  font-size: 13px; color: var(--gray-400); line-height: 1.65;
}
.loop-card .tags {
  margin-top: 10px;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.loop-card .tags span {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(0,212,255,0.08);
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.1);
}

/* ---------- Equipment Showcase ---------- */
.equipment-section {
  padding: 90px 0;
  background: var(--gray-50);
}
.equipment-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 20px;
}
.equipment-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
}
.equipment-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}
.equipment-card.large {
  grid-column: span 2;
  grid-row: span 2;
}
.equipment-visual {
  width: 100%;
  flex-shrink: 0;
  background: linear-gradient(135deg, #f0f4f7 0%, #e2e8ed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 180px;
}
.equipment-card.large .equipment-visual {
  height: 100%;
  min-height: 300px;
}
.equipment-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.equipment-card:hover .equipment-visual img {
  transform: scale(1.05);
}
.equipment-info {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.equipment-card.large .equipment-info {
  padding: 28px;
}
.equipment-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--grad-accent);
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 1px;
  align-self: flex-start;
}
.equipment-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.equipment-card.large .equipment-info h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.equipment-info p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.65;
  flex: 1;
}
.equipment-card.large .equipment-info p {
  font-size: 14px;
}
.equipment-specs {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.equipment-specs span {
  font-size: 11px;
  color: var(--gray-500);
  padding: 3px 8px;
  background: var(--gray-100);
  border-radius: 6px;
}
.equipment-card.large .equipment-specs span {
  font-size: 12px;
}

/* ---------- Responsive for new sections ---------- */
@media(max-width: 1024px) {
  .loop-wrapper { flex-direction: column; gap: 40px; }
  .loop-diagram { width: 100%; max-width: 380px; }
  .loop-cards { grid-template-columns: 1fr 1fr; }
  .equipment-bento { grid-template-columns: 1fr 1fr; }
  .equipment-card.large { grid-column: span 2; grid-row: span 1; }
  .equipment-card.large .equipment-visual { min-height: 240px; }
}
@media(max-width: 768px) {
  .loop-section { padding: 60px 0; }
  .loop-diagram { max-width: 300px; }
  .loop-cards { grid-template-columns: 1fr; }
  .loop-card { padding: 20px 18px; }
  .equipment-section { padding: 60px 0; }
  .equipment-bento { grid-template-columns: 1fr; }
  .equipment-card.large { grid-column: span 1; grid-row: span 1; }
  .equipment-card.large .equipment-visual { min-height: 200px; height: 200px; }
  .equipment-card.large .equipment-info h3 { font-size: 18px; }
  .equipment-card.large .equipment-info p { font-size: 13px; }
}