:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(19, 27, 46, 0.85);
  --border-color: #2a374f;
  --border-accent: #3b82f6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --accent-cyan: #06b6d4;
  --accent-cyan-hover: #0891b2;
  --accent-emerald: #10b981;
  --accent-emerald-hover: #059669;
  --accent-orange: #f97316;
  --accent-orange-hover: #ea580c;
  --accent-purple: #8b5cf6;
  --accent-purple-hover: #7c3aed;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.25);
  --shadow-glow-orange: 0 0 25px rgba(249, 115, 22, 0.25);
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ==========================================================================
   LANDING PAGE STYLES
   ========================================================================== */

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.landing-header, .app-header {
  background: rgba(10, 14, 23, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-badge {
  font-size: 0.65rem;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  margin-left: 0.4rem;
  font-weight: 700;
  vertical-align: middle;
}

.brand-tagline {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 0.05em;
  display: block;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.landing-nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.landing-nav-link:hover {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-swagger {
  color: var(--accent-cyan) !important;
  border: 1px solid rgba(6, 182, 212, 0.3) !important;
  background: rgba(6, 182, 212, 0.08) !important;
  font-size: 0.85rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  text-decoration: none;
}
.btn-swagger:hover {
  background: rgba(6, 182, 212, 0.18) !important;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.hero-glow-1 {
  top: -50px;
  left: 20%;
  background: var(--accent-cyan);
}

.hero-glow-2 {
  top: 50px;
  right: 20%;
  background: var(--accent-orange);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.75rem;
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-orange {
  background: linear-gradient(135deg, #fb923c, #f43f5e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheadline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--accent-cyan), #2563eb);
  color: #ffffff;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-glow-cyan);
  transition: all 0.25s ease;
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(6, 182, 212, 0.45);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-cta-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.btn-cta-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-emerald);
  color: #34d399;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-cta-whatsapp:hover {
  background: var(--accent-emerald);
  color: #ffffff;
}

/* Trust Badges Grid */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  width: 100%;
  max-width: 950px;
  margin: 0 auto;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(19, 27, 46, 0.7);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  text-align: left;
}

.trust-icon {
  font-size: 1.5rem;
}

.trust-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
}

.trust-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Section Common Headers */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   INTERACTIVE DEMO CALCULATOR CARD
   ========================================================================== */

.section-demo {
  padding: 4rem 1.5rem;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0d1322 100%);
}

.demo-card {
  max-width: 1050px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.demo-tabs {
  display: flex;
  background: rgba(10, 14, 23, 0.8);
  border-bottom: 1px solid var(--border-color);
}

.demo-tab {
  flex: 1;
  padding: 1.1rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  transition: all 0.2s ease;
  border-bottom: 3px solid transparent;
}

.demo-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.02);
}

.demo-tab.active {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.06);
  border-bottom: 3px solid var(--accent-cyan);
}

.demo-tab#landing-tab-laser.active {
  color: var(--accent-orange);
  background: rgba(249, 115, 22, 0.06);
  border-bottom: 3px solid var(--accent-orange);
}

.demo-body {
  display: none;
  padding: 2.25rem;
}

.demo-body.active {
  display: block;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.demo-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.demo-result {
  background: rgba(10, 14, 23, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.demo-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.demo-price-box {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(37, 99, 235, 0.15));
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.demo-price-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.demo-price-num, .demo-laser-price-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent-cyan);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.demo-laser-price-num {
  color: var(--accent-orange);
}

.demo-price-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.demo-cost-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.demo-cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   FEATURES / MODULES GRID
   ========================================================================== */

.section-pillars {
  padding: 6rem 1.5rem;
  background: var(--bg-primary);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.icon-cyan { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); border: 1px solid rgba(6, 182, 212, 0.3); }
.icon-laser { background: rgba(249, 115, 22, 0.15); color: var(--accent-orange); border: 1px solid rgba(249, 115, 22, 0.3); }
.icon-green { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); border: 1px solid rgba(16, 185, 129, 0.3); }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); border: 1px solid rgba(139, 92, 246, 0.3); }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); border: 1px solid rgba(16, 185, 129, 0.3); }
.icon-yellow { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.3); }

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.feature-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.feature-bullets li::before {
  content: "▹";
  color: var(--accent-cyan);
  margin-right: 0.5rem;
  font-weight: bold;
}

/* ==========================================================================
   WORKFLOW SECTION
   ========================================================================== */

.section-workflow {
  padding: 5rem 1.5rem;
  background: linear-gradient(180deg, #0d1322 0%, var(--bg-primary) 100%);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.workflow-step {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
}

.step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(6, 182, 212, 0.25);
  line-height: 1;
  margin-bottom: 1rem;
}

.workflow-step h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.workflow-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.section-pricing {
  padding: 6rem 1.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(6, 182, 212, 0.3);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.9) 0%, rgba(19, 27, 46, 0.95) 100%);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.2);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-cyan), #2563eb);
  color: #ffffff;
  padding: 0.3rem 1.1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-name {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  min-height: 44px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 2rem;
}

.plan-price .currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
}

.plan-price .amount {
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.plan-price .period {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-left: 0.35rem;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.plan-features li.muted {
  color: var(--text-muted);
  opacity: 0.6;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.section-faq {
  padding: 5rem 1.5rem;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(6, 182, 212, 0.4);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: faqFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   FINAL CTA & FOOTER
   ========================================================================== */

.section-cta-final {
  padding: 5rem 1.5rem;
  text-align: center;
}

.cta-box {
  max-width: 900px;
  margin: 0 auto;
  background: radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.15) 0%, rgba(19, 27, 46, 0.8) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-xl);
  padding: 4rem 2rem;
  box-shadow: 0 0 50px rgba(6, 182, 212, 0.15);
}

.cta-box h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.landing-footer {
  background: #070a10;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   APP PLATFORM STYLES (app.html)
   ========================================================================== */

.app-body {
  background-color: var(--bg-primary);
}

.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

.kpi-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.kpi-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.kpi-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.nav-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.nav-btn.active {
  color: var(--text-main);
  background: var(--bg-secondary);
  border-color: var(--accent-cyan);
}

.btn-landing {
  color: var(--text-main) !important;
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--border-color) !important;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(30, 41, 59, 0.5);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-amber);
}

.status-dot.online {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Quoter Layout */
.quoter-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.75rem;
  align-items: start;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.panel-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.panel-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.7rem 0.95rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.25);
}

.tech-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.tech-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tech-option.active {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
}

.tech-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.tech-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-range {
  flex: 1;
  accent-color: var(--accent-cyan);
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.slider-num {
  width: 90px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.quick-presets {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.preset-chip {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.preset-chip:hover {
  color: var(--text-main);
  border-color: var(--accent-cyan);
}

/* Accordion */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  overflow: hidden;
}

.accordion-header {
  padding: 0.75rem 1rem;
  background: rgba(30, 41, 59, 0.6);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.accordion-content {
  display: none;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.4);
}

.accordion.open .accordion-content {
  display: block;
}

.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Real-time Result Card */
.result-card {
  position: sticky;
  top: 5rem;
}

.price-hero {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.price-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.price-val {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--accent-cyan);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.price-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.cost-breakdown-bar {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: var(--bg-tertiary);
}

.bar-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.bar-mat { background: var(--accent-cyan); }
.bar-eng { background: var(--accent-amber); }
.bar-mac { background: var(--accent-rose); }
.bar-lab { background: var(--accent-purple); }
.bar-mar { background: var(--accent-emerald); }

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.breakdown-table th {
  text-align: left;
  padding: 0.5rem 0.25rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.breakdown-table td {
  padding: 0.5rem 0.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breakdown-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.breakdown-table tfoot td {
  padding: 0.5rem 0.25rem;
  border-bottom: none;
}

.breakdown-table .total-row td {
  font-weight: 800;
  border-top: 2px solid var(--border-color);
  color: var(--text-main);
}

.btn-primary {
  width: 100%;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
  text-decoration: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-cyan-hover), #0369a1);
}

.btn-secondary {
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.75rem;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-fdm { background: rgba(6, 182, 212, 0.2); color: #38bdf8; border: 1px solid #0284c7; }
.badge-sla { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid #9333ea; }
.badge-laser { background: rgba(249, 115, 22, 0.2); color: #fb923c; border: 1px solid #ea580c; }
.badge-factura { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #059669; }
.badge-proforma { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid #d97706; }
.badge-danger { background: rgba(244, 63, 94, 0.2); color: #fb7185; border: 1px solid #e11d48; }

/* Tables */
.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: rgba(15, 23, 42, 0.7);
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  text-transform: uppercase;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.data-table tbody tr:hover {
  background: rgba(30, 41, 59, 0.4);
}

/* Catalog Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.catalog-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.catalog-tech {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.catalog-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0.4rem 0;
}

.catalog-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.catalog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.85rem;
}

.catalog-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

/* Modal Dialog */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--accent-cyan);
  color: var(--text-main);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 300;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-content a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.footer-content a:hover {
  text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 2.6rem;
  }
  .quoter-layout, .demo-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .landing-nav {
    display: none;
  }
  .hero-headline {
    font-size: 2.1rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   AUTHENTICATION GATE & HARDENED LOGIN STYLES
   ========================================================================== */
.auth-gate-container {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(circle at 50% 20%, #1e293b 0%, #0a0e17 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(20px);
}

.auth-gate-card {
  width: 100%;
  max-width: 480px;
  background: rgba(19, 27, 46, 0.95);
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(59, 130, 246, 0.15);
  overflow: hidden;
  animation: authCardEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authCardEnter {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-gate-header {
  padding: 2rem 2rem 1.25rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.auth-gate-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.auth-gate-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.auth-gate-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.auth-tabs-nav {
  display: flex;
  background: rgba(10, 14, 23, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.auth-tab-btn {
  flex: 1;
  padding: 0.85rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.05);
}

.auth-tab-btn:hover:not(.active) {
  color: var(--text-main);
}

.auth-gate-body {
  padding: 1.75rem 2rem 2rem;
}

.auth-alert-box {
  display: none;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.4;
  margin-bottom: 1.25rem;
}

.auth-alert-box.alert-error {
  display: block;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #fda4af;
}

.auth-alert-box.alert-lockout {
  display: block;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #fde68a;
}

.auth-alert-box.alert-success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.input-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-password-wrap input {
  padding-right: 2.75rem;
}

.btn-toggle-pwd {
  position: absolute;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-toggle-pwd:hover {
  color: var(--text-main);
}

.password-rules-box {
  margin-top: 0.5rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.password-rule-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.2rem 0;
}

.password-rule-item.valid {
  color: var(--accent-emerald);
}

/* ==========================================================================
   LOCKED MODULE / SUBSCRIPTION UPGRADE CARDS
   ========================================================================== */
.subscription-lock-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  max-width: 650px;
  margin: 2.5rem auto;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(245, 158, 11, 0.1);
}

.lock-badge-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
  filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.3));
}

.lock-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fde68a;
  margin-bottom: 0.5rem;
}

.lock-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.lock-features-list {
  text-align: left;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.lock-feature-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-main);
  margin: 0.4rem 0;
}

.capacity-meter {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.capacity-bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.capacity-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-emerald) 100%);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.capacity-bar-fill.full {
  background: linear-gradient(90deg, var(--accent-amber) 0%, var(--accent-rose) 100%);
}