/* ==========================================
   DESIGN SYSTEM & CSS VARIABLES
   ========================================== */
:root {
  /* Colors — NICK TC-SCAN brand blues */
  --primary: #0369a1;
  --primary-light: #0ea5e9;
  --primary-dark: #0c4a6e;
  --secondary: #0891b2;
  --accent: #f59e0b;
  --success: #10b981;

  /* Neutrals */
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --surface: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);

  /* Spacing */
  --section-padding: 6rem 0;
  --container-width: 1200px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Sora', var(--font-sans);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg: #0b1121;
  --bg-alt: #111827;
  --bg-card: #1e293b;
  --surface: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   RESET & BASE
   ========================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

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

ul { list-style: none; }

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

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

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 0.6rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  margin-right: 1.5rem;
}

.brand-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.navbar-brand span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  font-size: 0.85rem;
  white-space: nowrap;
}

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

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

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

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  border-color: var(--primary);
  transform: rotate(30deg);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right var(--transition);
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
  }

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

  .nav-links a {
    font-size: 1.2rem;
  }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-bg .gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.hero-bg .gradient-orb:nth-child(1) {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -100px;
  opacity: 0.15;
}

.hero-bg .gradient-orb:nth-child(2) {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -100px;
  left: -100px;
  opacity: 0.12;
  animation-delay: -4s;
}

.hero-bg .gradient-orb:nth-child(3) {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  opacity: 0.08;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.hero-content {
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-stats .stat h3 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stats .stat p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  width: 100%;
  max-width: 480px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

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

.hero-card-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero-card-dots span:nth-child(1) { background: #ef4444; }
.hero-card-dots span:nth-child(2) { background: #f59e0b; }
.hero-card-dots span:nth-child(3) { background: #10b981; }

.hero-card-bar {
  flex: 1;
  height: 32px;
  background: var(--surface);
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.mini-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all var(--transition);
}

.mini-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.mini-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.mini-card:nth-child(1) .icon { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.mini-card:nth-child(2) .icon { background: rgba(6, 182, 212, 0.1); color: var(--secondary); }
.mini-card:nth-child(3) .icon { background: rgba(245, 158, 11, 0.1); color: var(--accent); }
.mini-card:nth-child(4) .icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }

.mini-card h4 {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.mini-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.floating-badge {
  position: absolute;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: float 6s ease-in-out infinite;
  font-size: 0.85rem;
  font-weight: 600;
}

.floating-badge.top-right {
  top: -20px;
  right: -20px;
  animation-delay: -1s;
}

.floating-badge.bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: -3s;
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 2rem; }
  .floating-badge { display: none; }
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
  padding: var(--section-padding);
  background: var(--bg-alt);
}

/* ==========================================
   SCANNING ANIMATION SHOWCASE
   ========================================== */
.scan-showcase {
  padding: var(--section-pad) 0;
  background: var(--bg-primary);
}

/* Scanner type tabs */
.scanner-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.scanner-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.scanner-tab:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: var(--bg-primary);
}

.scanner-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
}

.scanner-tab.active:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.scanner-tab svg,
.scanner-tab i {
  width: 16px;
  height: 16px;
}

/* Scanner & technology panels (show/hide) */
.scanner-panel,
.tech-panel {
  display: none;
}

.scanner-panel.active,
.tech-panel.active {
  display: block;
  animation: scanFadeIn 0.4s ease;
}

@keyframes scanFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.scan-animation-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0c4a6e;
}

.scan-scene {
  width: 100%;
  height: auto;
  display: block;
}

.scan-steps {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  flex-wrap: wrap;
}

.scan-step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.scan-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .scanner-tabs {
    gap: 0.35rem;
  }
  .scanner-tab {
    padding: 0.5rem 0.9rem;
    font-size: 0.78rem;
  }
  .scan-steps {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
  }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}

.service-card:nth-child(2) .service-icon {
  background: linear-gradient(135deg, var(--secondary), #22d3ee);
}

.service-card:nth-child(3) .service-icon {
  background: linear-gradient(135deg, var(--accent), #fbbf24);
}

.service-card:nth-child(4) .service-icon {
  background: linear-gradient(135deg, var(--success), #34d399);
}

.service-card:nth-child(5) .service-icon {
  background: linear-gradient(135deg, #ec4899, #f472b6);
}

.service-card:nth-child(6) .service-icon {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.partner-logo-wrap {
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo {
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.service-card:hover .partner-logo {
  transform: scale(1.05);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.service-card .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

.service-card .learn-more svg {
  transition: transform var(--transition);
}

.service-card:hover .learn-more svg {
  transform: translateX(4px);
}

.tech-spec {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.tech-spec span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(3, 105, 161, 0.1);
  color: var(--primary);
  border: 1px solid rgba(3, 105, 161, 0.2);
}

.scanner-thumb {
  width: 100%;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.scanner-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.service-card:hover .scanner-thumb {
  transform: scale(1.03);
}

/* ==========================================
   ABOUT / TEAM SECTION
   ========================================== */
.about {
  padding: var(--section-padding);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}

.about-image {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.about-image-main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.about-image .experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  text-align: center;
}

.experience-badge h3 {
  font-size: 2.5rem;
  color: var(--primary);
}

.experience-badge p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-content h2 {
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.about-feature .check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.team-photo-wrap {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid var(--primary-light);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.team-card:hover .team-photo {
  transform: scale(1.05);
  border-color: var(--primary);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  color: #fff;
  font-weight: 700;
}

.team-card h3 {
  margin-bottom: 0.25rem;
}

.team-card .role {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.team-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.team-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
  font-size: 0.9rem;
}

.team-socials a:hover {
  background: var(--primary);
  color: #fff;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio {
  padding: var(--section-padding);
  background: var(--bg-alt);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.9rem;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.portfolio-image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.portfolio-image .overlay {
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-card:hover .portfolio-image .overlay {
  opacity: 1;
}

.overlay-btn {
  padding: 0.75rem 2rem;
  background: #fff;
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transform: translateY(20px);
  transition: transform var(--transition);
}

.portfolio-card:hover .overlay-btn {
  transform: translateY(0);
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.portfolio-tags span {
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  background: var(--surface);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
}

.portfolio-info h3 {
  margin-bottom: 0.5rem;
}

.portfolio-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials {
  padding: var(--section-padding);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}

.testimonial-card .quote-icon {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 1rem;
}

.testimonial-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 1rem;
  color: var(--accent);
}

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

.testimonial-author .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-author h4 {
  font-size: 1rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================
   BLOG SECTION
   ========================================== */
.blog {
  padding: var(--section-padding);
  background: var(--bg-alt);
}

/* News Tabs */
.news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.news-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.news-tab:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.news-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* News Loading */
.news-loading {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-secondary);
}

.news-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 0.8s linear infinite;
}

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

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.blog-image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.blog-image .category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 1rem;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
}

.blog-body {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.blog-body h3 {
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.blog-card:hover .blog-body h3 {
  color: var(--primary);
}

.blog-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.blog-body .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
  padding: var(--section-padding);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item .icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-brand .brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-brand span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-about p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-socials a:hover {
  background: var(--primary);
  color: #fff;
}

.footer-column h4 {
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.footer-column ul li {
  margin-bottom: 0.75rem;
}

.footer-column ul li a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer-column ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================
   CTA BANNER
   ========================================== */
.cta-banner {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta-banner .container {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.cta-banner .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* ==========================================
   SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================
   MOBILE RESPONSIVE ENHANCEMENTS
   (Additive only — no desktop styles modified)
   ========================================== */

@media (max-width: 480px) {
  /* Hero section */
  .hero { padding: 6rem 0 2.5rem; }
  .hero h1 { font-size: 1.75rem; }
  .hero-description { font-size: 0.9rem; }
  .hero-buttons { flex-direction: column; gap: 0.75rem; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 1rem; text-align: center; }
  .hero-stats .stat-item { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 1rem; }
  .hero-stats .stat-item:first-child { border-top: none; padding-top: 0; }

  /* Section headers */
  .section-header h2 { font-size: 1.5rem; }
  .section-header p { font-size: 0.9rem; }

  /* Services grid */
  .services-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  /* Portfolio / location cards */
  .portfolio-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  /* About section */
  .about-image-main { height: 250px; }
  .experience-badge { width: 80px; height: 80px; }
  .experience-badge h3 { font-size: 1.25rem; }
  .experience-badge p { font-size: 0.65rem; }

  /* Team grid */
  .team-grid { grid-template-columns: 1fr; gap: 1.25rem; }

  /* Tech specs */
  .tech-spec { flex-wrap: wrap; gap: 0.4rem; }
  .tech-spec span { font-size: 0.72rem; padding: 0.25rem 0.5rem; }

  /* Scanner / tech tabs */
  .scanner-tab { padding: 0.4rem 0.75rem; font-size: 0.72rem; }

  /* Contact section */
  .contact-info-grid { grid-template-columns: 1fr; }

  /* CTA banner */
  .cta-banner { padding: 3rem 0; }
  .cta-banner h2 { font-size: 1.5rem; }

  /* Achievements */
  .achievements-grid { grid-template-columns: 1fr; }

  /* Partners logos */
  .partner-logo { max-height: 50px; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 1.5rem; }
  .container { padding: 0 0.75rem; }
  .section-header h2 { font-size: 1.3rem; }
  .service-card { padding: 1.25rem; }
  .scanner-tab { padding: 0.35rem 0.6rem; font-size: 0.68rem; }
}