/* CaptureNote Website Styles */
:root {
  /* Colors */
  --primary-color: #667eea;
  --primary-dark: #5a6fd8;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-korean: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Breakpoints */
  --bp-mobile: 768px;
  --bp-tablet: 1024px;
  --bp-desktop: 1200px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-korean);
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: #111827;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: rgba(102, 126, 234, 0.1);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-family: var(--font-primary);
  font-weight: 500;
  color: #6b7280;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
}

.nav-webapp {
  background: var(--gradient-primary);
  color: white !important;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
}

.nav-webapp:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(102, 126, 234, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  width: fit-content;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin: 0;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-md);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: #6b7280;
  margin-top: var(--spacing-xs);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mockup {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.mockup-phone {
  width: 200px;
  height: 400px;
  background: #1f2937;
  border-radius: 25px;
  padding: 8px;
  box-shadow: var(--shadow-xl);
  transform: rotate(-5deg);
}

.mockup-web {
  width: 300px;
  height: 200px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: rotate(3deg);
  overflow: hidden;
}

.mockup-screen,
.mockup-browser {
  width: 100%;
  height: 100%;
  background: white;
  border-radius: 20px;
  overflow: hidden;
}

.browser-header {
  height: 30px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-sm);
  gap: var(--spacing-sm);
}

.browser-dots {
  display: flex;
  gap: 4px;
}

.browser-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d5db;
}

.browser-url {
  flex: 1;
  background: white;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: #6b7280;
  text-align: center;
}

.mockup-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: white;
  padding: var(--spacing-sm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
  font-weight: 600;
  animation: float 6s ease-in-out infinite;
}

.floating-card i {
  color: var(--primary-color);
}

.card-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.card-2 {
  top: 60%;
  right: -15%;
  animation-delay: 2s;
}

.card-3 {
  bottom: 20%;
  left: -5%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Section Styles */
section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(102, 126, 234, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: #6b7280;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: #6b7280;
}

.feature-list i {
  color: var(--success-color);
  font-size: 0.8rem;
}

/* Pricing Section */
.pricing {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 2px solid #e5e7eb;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-xl);
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.price-currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: #6b7280;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
}

.price-period {
  font-size: 1rem;
  color: #6b7280;
}

.pricing-description {
  color: #6b7280;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  color: #6b7280;
}

.pricing-features i {
  color: var(--success-color);
}

.pricing-btn {
  width: 100%;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pricing-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.pricing-btn.featured {
  background: var(--gradient-accent);
}

/* Download Section */
.download {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  color: white;
}

.download-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.download-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: white;
}

.download-subtitle {
  font-size: 1.125rem;
  color: #d1d5db;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.download-btn i {
  font-size: 2rem;
}

.btn-text {
  display: flex;
  flex-direction: column;
}

.btn-title {
  font-weight: 600;
  font-size: 1.1rem;
}

.btn-subtitle {
  font-size: 0.9rem;
  color: #d1d5db;
}

.web-btn {
  background: var(--gradient-primary);
}

.qr-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.qr-code {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xs);
}

.qr-code img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-text {
  font-size: 0.9rem;
  color: #d1d5db;
}

.download-visual {
  display: flex;
  justify-content: center;
}

.devices-mockup {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-phone,
.device-tablet,
.device-laptop {
  position: absolute;
}

.device-phone {
  width: 150px;
  z-index: 3;
  transform: rotate(-10deg) translateX(-50px);
}

.device-tablet {
  width: 200px;
  z-index: 2;
  transform: rotate(5deg) translateX(20px);
}

.device-laptop {
  width: 300px;
  z-index: 1;
  transform: rotate(-2deg) translateX(50px);
}

.device-phone img,
.device-tablet img,
.device-laptop img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.5rem;
}

.footer-description {
  color: #d1d5db;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: white;
}

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

.footer-list li {
  margin-bottom: var(--spacing-xs);
}

.footer-list a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-list a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-copyright {
  color: #9ca3af;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--spacing-xl);
    transition: left 0.3s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .download-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f4f6;
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}