/* ========== HELM AI - Global Styles ========== */
:root {
  --primary: #0A2540;
  --primary-light: #1A3A5C;
  --accent: #635BFF;
  --accent-hover: #4F46E5;
  --success: #00D4AA;
  --warning: #F6A623;
  --danger: #FF6B6B;
  --text: #0A2540;
  --text-secondary: #425466;
  --text-muted: #6B7B8D;
  --bg: #FFFFFF;
  --bg-light: #F6F9FC;
  --bg-dark: #0A2540;
  --border: #E3E8EE;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; height: auto; }

/* ========== Navigation ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 0 24px;
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

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

.nav-cta {
  background: var(--accent);
  color: white !important;
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 600;
}

.nav-cta:hover { background: var(--accent-hover); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-dark {
  background: var(--primary);
  color: white;
}
.btn-dark:hover { background: var(--primary-light); }

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

.btn-lg { padding: 14px 36px; font-size: 16px; }

.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ========== Hero Section ========== */
.hero {
  padding: 140px 24px 80px;
  background: var(--bg-light);
  text-align: center;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

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

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight { color: var(--accent); }

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-trust span { display: flex; align-items: center; gap: 6px; }

/* ========== Section Common ========== */
.section {
  padding: 80px 24px;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--primary);
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Products Grid ========== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.product-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.product-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.product-icon.purple { background: #F0EBFF; }
.product-icon.blue { background: #E0F2FE; }
.product-icon.green { background: #D1FAE5; }
.product-icon.orange { background: #FFEDD5; }

.product-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.product-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.product-meta .tag {
  background: var(--bg-light);
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 500;
}

/* ========== Features ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 16px;
}

.feature-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary);
}

.feature-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Pricing ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover { box-shadow: var(--shadow-lg); }

.pricing-card.featured {
  border: 2px solid var(--accent);
  transform: scale(1.02);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
}

.pricing-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-features .check {
  color: var(--success);
  font-weight: 700;
}

.pricing-features .cross {
  color: var(--danger);
  font-weight: 700;
}

/* ========== CTA Banner ========== */
.cta-banner {
  background: var(--primary);
  color: white;
  padding: 80px 24px;
  text-align: center;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 18px;
  opacity: 0.8;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Footer ========== */
.footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== Page Header ========== */
.page-header {
  padding: 120px 24px 60px;
  background: var(--bg-light);
  text-align: center;
}

.page-header h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.page-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Legal Pages ========== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.legal-content h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.legal-content .last-updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--primary);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.legal-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--text);
}

.legal-content p, .legal-content li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-content ul, .legal-content ol {
  margin-left: 24px;
  margin-bottom: 16px;
}

.legal-content a { color: var(--accent); }

.legal-content .contact-box {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
}

.legal-content .contact-box h3 {
  margin-top: 0;
  font-size: 16px;
}

/* ========== Contact Page ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 960px;
  margin: 0 auto;
}

.contact-info h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--primary);
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 40px; height: 40px;
  background: var(--bg-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--primary);
}

.contact-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-form {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,91,255,0.1);
}

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

/* ========== About Page ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary);
}

.about-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ========== Product Demo Area ========== */
.demo-area {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  margin-top: 48px;
}

.demo-area h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
}

.demo-area p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  
  .section-header h2 { font-size: 28px; }
  .section-header p { font-size: 16px; }
  
  .products-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .features-grid { grid-template-columns: 1fr; }
  
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  
  .page-header h1 { font-size: 30px; }
  .cta-banner h2 { font-size: 26px; }
}