/* ═══════════════════════════════════════════
   Ordena AI Landing Page Styles
   ═══════════════════════════════════════════ */

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --secondary: #7C3AED;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --text: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --border: #E2E8F0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

/* ─── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* ─── Navbar ──────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}
.logo-icon { font-size: 24px; }
.logo-ai { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

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

/* ─── Hero ────────────────────────────────── */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}
.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Dashboard Preview */
.dashboard-preview {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.preview-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: #F1F5F9;
  border-bottom: 1px solid var(--border);
}
.preview-dots {
  display: flex;
  gap: 6px;
}
.preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
}
.preview-dots span:first-child { background: #EF4444; }
.preview-dots span:nth-child(2) { background: #F59E0B; }
.preview-dots span:nth-child(3) { background: #10B981; }
.preview-title {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.preview-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px;
}
.preview-card {
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
}
.preview-card-value {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
}
.preview-card-label {
  font-size: 12px;
  color: rgba(255,255,255,0.85);
  margin-top: 4px;
}
.card-blue { background: linear-gradient(135deg, #2563EB, #3B82F6); }
.card-green { background: linear-gradient(135deg, #059669, #10B981); }
.card-orange { background: linear-gradient(135deg, #D97706, #F59E0B); }
.card-purple { background: linear-gradient(135deg, #7C3AED, #8B5CF6); }

/* ─── Features ────────────────────────────── */
.features {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}
.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

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

.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── How It Works ────────────────────────── */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-alt);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step {
  text-align: center;
  padding: 32px;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step p {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ─── Pricing ─────────────────────────────── */
.pricing {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
  transition: all 0.3s;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.pricing-tier {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.pricing-price {
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}
.pricing-price span {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
}
.pricing-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}
.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }

/* ─── CTA ─────────────────────────────────── */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  text-align: center;
  color: #fff;
}
.cta h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}
.cta .btn-primary {
  background: #fff;
  color: var(--primary);
}
.cta .btn-primary:hover {
  background: #F8FAFC;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ─── Footer ──────────────────────────────── */
.footer {
  padding: 60px 0 30px;
  background: var(--text);
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 14px;
}
.footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-links a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── Responsive ──────────────────────────── */
@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero h1 { font-size: 36px; }
  .hero-subtitle { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 700px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 28px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; align-items: center; gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 28px; }
}