/* ============================================================
   WPK 官网 - 主样式表
   Primary: #4F46E5 (indigo-600)
   Secondary: #2563EB (blue-600)
   ============================================================ */

/* ----- CSS Variables ----- */
:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #6366F1;
  --primary-lighter: #E0E7FF;
  --secondary: #2563EB;
  --secondary-dark: #1D4ED8;
  --dark: #1F2937;
  --darker: #111827;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 25px 50px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--gray-700);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ----- Custom Scrollbar ----- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%      { transform: translateY(-12px); }
}

@keyframes pulse-soft {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

@keyframes countUp {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ----- Utility Classes ----- */
.fade-in-up {
  animation: fadeInUp 0.7s ease forwards;
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.slide-in-right {
  animation: slideInRight 0.7s ease forwards;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Styles */
section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--primary);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

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

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.875rem;
}

/* ----- Navbar ----- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.35s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 10px 0;
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  transition: color 0.35s ease;
}

.navbar-logo i {
  font-size: 1.8rem;
}

.navbar.scrolled .navbar-logo {
  color: var(--dark);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.navbar.scrolled .navbar-links a {
  color: var(--gray-700);
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

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

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--white);
}

.navbar.scrolled .navbar-links a:hover,
.navbar.scrolled .navbar-links a.active {
  color: var(--primary);
}

.navbar .btn-download {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white) !important;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition);
}

.navbar .btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.navbar .btn-download::after {
  display: none;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.navbar.scrolled .hamburger span {
  background: var(--dark);
}

.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);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 24, 39, 0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 600;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--primary-light);
}

.mobile-menu .btn-download {
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
}

/* ----- Hero Section ----- */
.hero {
  padding: 160px 0 110px;
  background: linear-gradient(135deg, var(--darker) 0%, #1e1b4b 40%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  color: var(--white);
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, #818CF8 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 520px;
}

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

.hero-buttons .btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

.hero-buttons .btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.trust-badges {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.trust-badge i {
  color: #34D399;
  font-size: 1rem;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  max-width: 100%;
  animation: float 6s ease-in-out infinite;
}

/* ----- Features Section ----- */
.features {
  background: var(--gray-50);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-lighter) 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.6rem;
  color: var(--primary);
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ----- Stats Section ----- */
.stats {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats .container {
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-item {
  text-align: center;
  color: var(--white);
}

.stat-number {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.85;
  font-weight: 500;
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  opacity: 0.9;
}

/* ----- Testimonials Section ----- */
.testimonials {
  background: var(--gray-50);
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.testimonial-card {
  min-width: 100%;
  padding: 0 10px;
}

.testimonial-inner {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.testimonial-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 3px solid var(--primary-lighter);
}

.testimonial-inner blockquote {
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
  padding: 0 20px;
}

.testimonial-inner blockquote::before {
  content: '\201C';
  font-size: 3rem;
  color: var(--primary);
  position: absolute;
  left: -10px;
  top: -10px;
  font-style: normal;
  line-height: 1;
  opacity: 0.3;
}

.testimonial-name {
  font-weight: 700;
  color: var(--dark);
  font-size: 1rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.testimonial-dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

/* ----- FAQ Section ----- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-lighter);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--dark);
  transition: color var(--transition);
  user-select: none;
  gap: 16px;
}

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

.faq-icon {
  font-size: 1.3rem;
  color: var(--primary);
  transition: transform 0.35s ease;
  flex-shrink: 0;
  font-weight: 700;
}

.faq-item.active .faq-icon {
  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: 400px;
}

.faq-answer p {
  padding: 0 26px 22px;
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ----- CTA Section ----- */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--secondary-dark) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta .container {
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 18px;
}

.cta p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.cta .btn {
  background: var(--white);
  color: var(--primary);
  font-size: 1.1rem;
  padding: 16px 44px;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ----- Footer ----- */
.footer {
  background: var(--darker);
  color: var(--gray-300);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .navbar-logo {
  color: var(--white);
  margin-bottom: 16px;
  display: inline-flex;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.footer-column h4 {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-column ul li a:hover {
  color: var(--white);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.footer-contact li i {
  color: var(--primary-light);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ----- Page Hero (About & Contact) ----- */
.page-hero {
  padding: 150px 0 80px;
  background: linear-gradient(135deg, var(--darker) 0%, #1e1b4b 40%, var(--primary-dark) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.4);
}

/* ----- About Page ----- */
.about-content-section {
  padding: 90px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-text .stats-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.about-text .stat-mini-item {
  text-align: center;
  padding: 18px 10px;
  background: var(--gray-50);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.about-text .stat-mini-item:hover {
  background: var(--primary-lighter);
  transform: translateY(-3px);
}

.about-text .stat-mini-item .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.about-text .stat-mini-item .lbl {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Team Values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.value-card .value-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-lighter) 0%, #DBEAFE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
  color: var(--primary);
  transition: all var(--transition);
}

.value-card:hover .value-icon {
  background: var(--primary);
  color: var(--white);
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ----- Contact Page ----- */
.contact-section {
  padding: 90px 0;
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.contact-form-wrap h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #EF4444;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.95rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-family: inherit;
  color: var(--gray-700);
  background: var(--gray-50);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group input.error,
.form-group textarea.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error-msg {
  font-size: 0.8rem;
  color: #EF4444;
  margin-top: 6px;
  display: none;
}

.form-error-msg.show {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Loading Spinner */
.spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .spinner {
  display: inline-block;
}

.btn-submit.loading .btn-text {
  display: none;
}

/* Contact Info Sidebar */
.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.contact-info-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--primary-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 3px;
}

.contact-info-text p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 6px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  transition: all var(--transition);
  font-size: 1rem;
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

/* Map Placeholder */
.map-placeholder {
  background: var(--gray-200);
  border-radius: var(--radius-lg);
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.95rem;
  flex-direction: column;
  gap: 10px;
}

.map-placeholder i {
  font-size: 2.5rem;
}

/* ----- Back to Top ----- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ----- Form Success Message ----- */
.form-success {
  display: none;
  text-align: center;
  padding: 30px;
}

.form-success.show {
  display: block;
}

.form-success i {
  font-size: 3rem;
  color: #34D399;
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 1.3rem;
  color: var(--dark);
  margin-bottom: 8px;
}

/* ----- Utility: bg sections ----- */
.bg-gray {
  background: var(--gray-50);
}

.bg-white {
  background: var(--white);
}

/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */

@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 2.4rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  /* Navbar */
  .navbar-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 130px 0 70px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .trust-badges {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 70%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .stat-number {
    font-size: 2.4rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .about-text .stats-mini {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .cta h2 {
    font-size: 2rem;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.7rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }

  .about-text .stats-mini {
    grid-template-columns: 1fr;
  }

  .testimonial-inner {
    padding: 24px 20px;
  }

  .cta h2 {
    font-size: 1.6rem;
  }

  .contact-form-wrap {
    padding: 24px 20px;
  }
}