/* ============================================================
   WEPOKER International - Shared Stylesheet (0095)
   ============================================================ */

:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #818CF8;
  --secondary: #2563EB;
  --secondary-dark: #1D4ED8;
  --accent: #7C3AED;
  --dark: #1E293B;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --rounded-2xl: 1rem;
  --rounded-xl: 0.75rem;
  --transition-base: 300ms ease;
  --transition-fast: 150ms ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeIn { animation: fadeIn 0.8s ease forwards; }
.animate-slideInLeft { animation: slideInLeft 0.6s ease forwards; }
.animate-slideInRight { animation: slideInRight 0.6s ease forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  padding: 0.6rem 0;
}
.navbar .nav-link {
  color: var(--gray-700);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  text-decoration: none;
  padding: 0.25rem 0;
}
.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}
.navbar .nav-link:hover { color: var(--primary); }
.navbar .nav-link:hover::after { width: 100%; }
.navbar .nav-link.active { color: var(--primary); }
.navbar .nav-link.active::after { width: 100%; }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.mobile-menu a:hover { color: var(--primary); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 0.5rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links-desktop { display: none !important; }
}

/* Hero */
.hero-gradient {
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 30%, #DBEAFE 70%, #EFF6FF 100%);
}

/* Feature Cards */
.feature-card {
  background: var(--white);
  border-radius: var(--rounded-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--rounded-xl);
  background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}
.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  transform: scale(1.1);
}

/* Stats */
.stats-section {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: white;
  line-height: 1;
}
.stat-label {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* Testimonials */
.testimonial-card {
  background: var(--white);
  border-radius: var(--rounded-2xl);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem; left: 1.5rem;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--rounded-xl);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all var(--transition-base);
  background: var(--white);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-base);
  font-size: 0.85rem;
  color: var(--gray-600);
}
.faq-item.active .faq-icon {
  background: var(--primary);
  color: white;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.25rem;
}
.faq-answer p {
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
}
.footer a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer a:hover { color: white; }
.footer-title {
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}
.footer-social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-base);
  margin-right: 0.5rem;
}
.footer-social-icon:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 900;
  font-size: 1.1rem;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* Form Styles */
.form-input {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--rounded-xl);
  font-size: 1rem;
  transition: all var(--transition-fast);
  outline: none;
  background: var(--gray-50);
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
  background: white;
}
.form-input.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-size: 1rem;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }

.btn-secondary {
  display: inline-block;
  background: white;
  color: var(--primary);
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-size: 1rem;
}
.btn-secondary:hover { background: var(--primary); color: white; transform: translateY(-2px); }

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin-slow 0.6s linear infinite;
}

/* Section Badge */
.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Contact Info Cards */
.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--rounded-xl);
  background: var(--gray-50);
  transition: all var(--transition-base);
}
.contact-info-card:hover { background: #EEF2FF; transform: translateX(5px); }
.contact-info-icon {
  width: 44px; height: 44px;
  border-radius: var(--rounded-xl);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Testimonial Slider */
.testimonial-slide {
  display: none;
  animation: fadeIn 0.5s ease;
}
.testimonial-slide.active { display: block; }
.testimonial-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}
.testimonial-dot.active { background: var(--primary); width: 28px; border-radius: 5px; }

/* Map Placeholder */
.map-placeholder {
  background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
  border-radius: var(--rounded-2xl);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
}

/* Responsive */
@media (max-width: 1024px) {
  .section-title { font-size: 1.85rem; }
}
@media (max-width: 768px) {
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
  .feature-card { padding: 1.5rem; }
  .testimonial-card { padding: 1.5rem; }
}
@media (max-width: 480px) {
  .section-title { font-size: 1.4rem; }
  .stat-number { font-size: 1.6rem; }
}