/* Winly Design System & Stylesheet */
:root {
  --bg-dark: #0A0D14;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-hover: rgba(26, 35, 56, 0.8);
  
  --primary-accent: #6366F1;
  --primary-gradient: linear-gradient(135deg, #6366F1 0%, #A855F7 50%, #EC4899 100%);
  --accent-gold: #F59E0B;
  --accent-green: #10B981;
  --accent-blue: #3B82F6;
  
  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-subtle: #6B7280;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-glow: 0 10px 30px -10px rgba(99, 102, 241, 0.4);
}

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

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

/* Background Glowing Orbs */
.bg-glow-1 {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, rgba(168, 85, 247, 0.08) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-2 {
  position: absolute;
  top: 800px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation Header */
header.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 13, 20, 0.75);
  border-bottom: 1px solid var(--bg-card-border);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.btn-cta {
  background: var(--primary-gradient);
  color: white;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-glow);
  transition: transform 0.2s ease, opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-cta:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

/* Hero Section */
.hero {
  padding: 90px 0 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #A5B4FC;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #D1D5DB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero h1 span.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  padding: 12px 26px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.25s ease;
  backdrop-filter: blur(10px);
}

.btn-appstore:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Feature Cards Grid */
.features-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-4px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.card-icon.purple { background: rgba(99, 102, 241, 0.15); color: #818CF8; }
.card-icon.pink { background: rgba(236, 72, 153, 0.15); color: #F472B6; }
.card-icon.gold { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
.card-icon.green { background: rgba(16, 185, 129, 0.15); color: #34D399; }
.card-icon.blue { background: rgba(59, 130, 246, 0.15); color: #60A5FA; }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* Visual Showcases */
.visual-card {
  background: linear-gradient(180deg, rgba(20, 26, 42, 0.8) 0%, rgba(12, 16, 26, 0.9) 100%);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.visual-content {
  flex: 1;
  min-width: 280px;
}

.visual-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.visual-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.mockup-frame {
  flex: 1;
  min-width: 280px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 24px;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.mockup-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-left: 4px solid var(--primary-accent);
}

.mockup-item.completed {
  border-left-color: var(--accent-green);
  opacity: 0.8;
}

.mockup-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.mockup-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

/* Page Standard Layout (Support / Privacy) */
.page-header {
  padding: 60px 0 30px;
  text-align: center;
  border-bottom: 1px solid var(--bg-card-border);
  margin-bottom: 40px;
}

.page-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.content-body {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  margin-bottom: 80px;
  backdrop-filter: blur(16px);
}

.content-body h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  color: var(--text-main);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

.content-body h2:first-child {
  margin-top: 0;
}

.content-body p, .content-body ul {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.content-body ul {
  padding-left: 24px;
}

.content-body li {
  margin-bottom: 8px;
}

.faq-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.faq-box h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

/* Footer */
footer {
  border-top: 1px solid var(--bg-card-border);
  padding: 40px 0;
  background: rgba(10, 13, 20, 0.9);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

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

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

.copyright {
  color: var(--text-subtle);
  font-size: 0.85rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .hero p.subtitle { font-size: 1.05rem; }
  .content-body { padding: 24px; }
  .nav-links { display: none; }
}