:root {
  --umpay-stone: #44403C;
  --umpay-stone-light: #57534E;
  --umpay-stone-dark: #292524;
  --local-cyan: #06B6D4;
  --trick-red: #EF4444;
  --bg-page: #F5F5F4;
  --text-dark: #1C1917;
  --text-body: #334155;
  --text-muted: #78716C;
  --white: #FFFFFF;
  --border-light: #E7E5E4;
  
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --shadow-sm: 0 2px 8px rgba(68, 64, 60, 0.08);
  --shadow-md: 0 4px 16px rgba(68, 64, 60, 0.12);
  --shadow-lg: 0 8px 32px rgba(68, 64, 60, 0.16);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  transition: box-shadow var(--transition-normal);
}

.nav.scrolled {
  box-shadow: 0 4px 20px rgba(68, 64, 60, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--umpay-stone);
  font-weight: 700;
  font-size: 18px;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 15px;
  position: relative;
}

.nav-links a:hover {
  color: var(--local-cyan);
}

.nav-links a.active {
  color: var(--local-cyan);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--local-cyan);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--local-cyan), #0891b2);
  color: var(--white);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--umpay-stone);
  transition: var(--transition-fast);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--text-dark);
  font-weight: 500;
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu .nav-cta {
  display: block;
  text-align: center;
  margin-top: var(--space-sm);
}

.footer {
  background: linear-gradient(135deg, var(--umpay-stone), var(--umpay-stone-light));
  color: var(--white);
  padding: var(--space-xl) 0 var(--space-lg);
}

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

.footer h3 {
  font-size: 18px;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: linear-gradient(135deg, var(--local-cyan), #0891b2);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: transparent;
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  border: 2px solid var(--white);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--umpay-stone);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: transparent;
  color: var(--local-cyan);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 2px solid var(--local-cyan);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-outline:hover {
  background: var(--local-cyan);
  color: var(--white);
}

.section {
  padding: var(--space-xl) 0;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--umpay-stone), var(--umpay-stone-light));
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(6, 182, 212, 0.15);
  color: var(--local-cyan);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.page-hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.page-hero.cyan {
  background: linear-gradient(135deg, var(--local-cyan), #0891b2);
}

.page-hero.red {
  background: linear-gradient(135deg, var(--trick-red), #dc2626);
}

.page-hero.stone {
  background: linear-gradient(135deg, var(--umpay-stone), var(--umpay-stone-light));
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.page-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.card-accent {
  border-left: 4px solid var(--local-cyan);
}

.card-highlight {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.02));
}

.card-red {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(239, 68, 68, 0.02));
  border-left: 4px solid var(--trick-red);
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  text-align: center;
}

.stat-card .number {
  font-family: 'DM Sans', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--local-cyan);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card .label {
  font-size: 15px;
  color: var(--text-muted);
}

.highlight-cyan {
  color: var(--local-cyan);
  font-weight: 700;
}

.highlight-red {
  color: var(--trick-red);
  font-weight: 700;
}

.highlight-stone {
  color: var(--umpay-stone);
  font-weight: 700;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-md);
  background: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question:hover {
  color: var(--local-cyan);
}

.faq-question .icon {
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--text-body);
  line-height: 1.7;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.compare-table th {
  background: var(--umpay-stone);
  color: var(--white);
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 15px;
}

.compare-table th:first-child {
  background: var(--umpay-stone-dark);
}

.compare-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-light);
  font-size: 15px;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: rgba(6, 182, 212, 0.03);
}

.compare-table .check {
  color: var(--local-cyan);
  font-weight: 700;
}

.compare-table .cross {
  color: var(--trick-red);
}

.compare-table .highlight-col {
  background: rgba(6, 182, 212, 0.08);
  font-weight: 600;
}

.cta-section {
  background: linear-gradient(135deg, var(--umpay-stone), var(--umpay-stone-light));
  padding: var(--space-xl) 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  margin-bottom: var(--space-lg);
}

.trick-box {
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.trick-box h3 {
  color: var(--trick-red);
  margin-bottom: var(--space-md);
}

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

.trick-list li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-md);
  position: relative;
  color: var(--text-body);
}

.trick-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--trick-red);
  font-weight: 700;
}

.trust-box {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.trust-box h3 {
  color: var(--umpay-stone);
  margin-bottom: var(--space-md);
}

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

.trust-list li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-md);
  position: relative;
  color: var(--text-body);
}

.trust-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--local-cyan);
  font-weight: 700;
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero h1 {
    font-size: 42px;
  }
  
  .section-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .page-hero {
    padding: 100px 0 60px;
  }
  
  .page-hero h1 {
    font-size: 28px;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .compare-table {
    font-size: 14px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: var(--space-sm);
  }
}