/* PawPrint AI - Premium Glassmorphic Dark Design System */
:root {
  --bg-dark: #0A0C10;
  --bg-card: rgba(18, 22, 32, 0.7);
  --bg-card-hover: rgba(26, 32, 48, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-bright: rgba(108, 92, 231, 0.4);
  
  --primary: #6C5CE7;
  --primary-glow: rgba(108, 92, 231, 0.4);
  --secondary: #00CEC9;
  --accent: #FD79A8;
  --warning: #FDCB6E;
  --success: #00B894;
  
  --text-main: #F8F9FA;
  --text-muted: #A0AEC0;
  --text-dim: #718096;
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-neon: 0 0 25px rgba(108, 92, 231, 0.35);
}

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

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Ambient Background Lights */
.ambient-blur-1 {
  position: fixed;
  top: -10%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.25) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}

.ambient-blur-2 {
  position: fixed;
  bottom: 10%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 206, 201, 0.18) 0%, rgba(0,0,0,0) 70%);
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #A890FE 0%, #00CEC9 50%, #FD79A8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(10, 12, 16, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
}

.brand-logo img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1.5px solid var(--border-glass-bright);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap; /* Single-word non-wrapping links */
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #5142CA 100%);
  color: #FFF;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(108, 92, 231, 0.6);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

/* Hero Section */
.hero {
  padding-top: 160px;
  padding-bottom: 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #A890FE;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.trust-bar {
  display: flex;
  align-items: center;
  gap: 24px;
}

.trust-avatars {
  display: flex;
  margin-left: 8px;
}

.trust-avatars span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-left: -10px;
}

.trust-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-glass);
  backdrop-filter: blur(16px);
  position: relative;
}

.hero-card-main img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.floating-badge {
  position: absolute;
  background: rgba(18, 22, 32, 0.9);
  border: 1px solid var(--border-glass-bright);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-neon);
  animation: float 4s ease-in-out infinite;
}

.badge-1 {
  top: 10%;
  left: -20px;
}

.badge-2 {
  bottom: 12%;
  right: -20px;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Demo Section */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
}

.section-tag {
  color: var(--secondary);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Demo Simulator Widget */
.demo-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
}

.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.demo-tab-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.demo-tab-btn.active {
  background: var(--primary);
  color: #FFF;
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.simulator-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.sim-preview {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  background: #000;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  box-shadow: 0 0 15px var(--secondary);
  display: none;
}

.scan-line.active {
  display: block;
  animation: scanAnim 2s ease-in-out infinite;
}

@keyframes scanAnim {
  0% { top: 0%; }
  50% { top: 95%; }
  100% { top: 0%; }
}

.sim-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pet-select {
  display: flex;
  gap: 12px;
}

.pet-option {
  flex: 1;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  text-align: center;
  cursor: pointer;
  font-weight: 600;
}

.pet-option.selected {
  border-color: var(--secondary);
  background: rgba(0, 206, 201, 0.1);
  color: var(--secondary);
}

.sim-result-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
}

.res-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.res-score {
  color: var(--success);
  font-weight: 700;
}

.res-bar-outer {
  height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 16px;
}

.res-bar-inner {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 1s ease;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-bright);
  transform: translateY(-6px);
  box-shadow: var(--shadow-neon);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Calculator Section */
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-input-group {
  margin-bottom: 28px;
}

.calc-input-group label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 12px;
}

.calc-slider {
  width: 100%;
  accent-color: var(--primary);
}

.calc-result-box {
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
}

.calc-amount {
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--secondary);
  margin: 12px 0;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-neon);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.pricing-price {
  font-size: 3rem;
  font-family: var(--font-heading);
  font-weight: 800;
  margin: 20px 0;
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 24px 0 36px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-muted);
}

.pricing-features li.check::before {
  content: "✓";
  color: var(--success);
  font-weight: bold;
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  padding: 24px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--text-muted);
  display: none;
}

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

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 40px;
  background: rgba(10, 12, 16, 0.95);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .calculator-grid, .calc-card, .simulator-box {
    grid-template-columns: 1fr;
  }
  .features-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.8rem;
  }
}