/* ==========================================================================
   AltoTive Enterprise Manufacturing Technology Platform - Clean Light Theme CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Color Tokens - Light Theme with Professional Blue Accents */
  --bg-body: #FFFFFF;
  --bg-alt: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;

  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #64748B;

  --primary: #0284C7;
  --primary-dark: #0369A1;
  --primary-light: #F0F9FF;
  --accent-blue: #2563EB;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;

  --gradient-primary: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);

  /* Spacing & Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Decorative Background Shape */
.bg-shape {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 520px;
  background: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 18px 0;
  transition: var(--transition-normal);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
}

.navbar.scrolled {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-main);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--text-main);
  cursor: pointer;
}

/* Mobile Drawer Navigation */
.mobile-nav {
  display: none;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
}

.mobile-nav.active {
  display: block;
}

.mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #E2E8F0;
  border-color: var(--border-hover);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(2, 132, 199, 0.4);
}

.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.btn-cta {
  background: #FFFFFF;
  color: var(--primary-dark);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-cta:hover {
  transform: translateY(-2px);
  background: #F8FAFC;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 140px 0 80px;
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 48px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  border: 1px solid rgba(2, 132, 199, 0.2);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Dashboard Mockup Showcase */
.dashboard-preview {
  max-width: 1040px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

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

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

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.dash-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.dash-status {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 700;
}

.dash-body {
  padding: 20px;
}

.dash-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-trend {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.metric-unit {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 500;
}

.metric-badge {
  font-size: 0.7rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.dash-chart-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.chart-box {
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.bars-container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 110px;
  gap: 10px;
}

.bar-col {
  flex: 1;
  background: #E2E8F0;
  border-radius: 4px 4px 0 0;
  position: relative;
  height: 100%;
}

.bar-fill {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
}

.status-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.status-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-main);
  font-weight: 500;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* Common Section */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-subtitle {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.section-description {
  color: var(--text-muted);
  font-size: 1rem;
}

/* 3 Core Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pillar-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.pillar-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

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

.tag {
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Product Showcase Tabs */
.tabs-header {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-primary);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.product-info h3 {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.product-info p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  margin-bottom: 28px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-main);
  font-size: 0.9rem;
}

.feature-item svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

.product-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.mockup-body {
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.mockup-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.mockup-label { color: var(--text-light); }
.mockup-val { font-weight: 700; color: var(--text-main); }

.progress-bar {
  width: 100%;
  background: #E2E8F0;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill { height: 100%; }

.mockup-notice {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* IT Services Section */
.services-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.services-info {
  max-width: 800px;
  margin: 0 auto;
}

.services-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-item h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

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

/* Stats Counter */
.stats-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 50px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-card {
  padding: 10px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Contact / Lead Gen CTA */
.cta-banner {
  background: var(--gradient-primary);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(2, 132, 199, 0.25);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

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

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Footer */
.footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 70px 0 30px;
}

.footer .logo {
  color: #FFFFFF;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-desc {
  font-size: 0.9rem;
  margin-top: 14px;
  line-height: 1.6;
}

.footer-title {
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title { font-size: 2.6rem; }
  .pillars-grid { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-chart-row { grid-template-columns: 1fr; }
  .tab-content.active { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar { padding: 14px 0; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }

  .hero { padding: 110px 0 60px; }
  .hero-title { font-size: 2.1rem; }
  .hero-subtitle { font-size: 0.98rem; }
  
  .dash-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
}