/* ============================================
   HHpoker - 德扑圈 Premium SaaS Landing Page
   Custom Styles
   ============================================ */

/* === CSS Variables === */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #6366f1;
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --bg-white: #ffffff;
  --bg-gray-50: #f8fafc;
  --bg-gray-100: #f1f5f9;
  --border-light: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Smooth Scroll === */
html {
  scroll-behavior: smooth;
}

/* === Base === */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === Navbar Styles === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 0.75rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-600);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.navbar.scrolled .logo {
  color: var(--primary-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.navbar.scrolled .nav-links a {
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: white;
}

.navbar.scrolled .nav-links a:hover {
  color: var(--primary-600);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

.navbar.scrolled .nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar.scrolled .mobile-menu-btn {
  color: var(--text-primary);
}

/* === 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;
  padding: 5rem 2rem 2rem;
  flex-direction: column;
  gap: 1.5rem;
}

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

.mobile-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  transition: var(--transition);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu a:hover {
  color: var(--primary-600);
}

.mobile-menu .btn {
  margin-top: 1rem;
  text-align: center;
  width: 100%;
}

/* === Button Styles === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-600);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.btn-light {
  background: white;
  color: var(--primary-600);
  box-shadow: var(--shadow-md);
}

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

.btn-lg {
  padding: 0.9rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
}

/* === Hero Section === */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4338ca 60%, #3730a3 100%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: radial-gradient(circle at 1px 1px, white 1px, transparent 0);
  background-size: 40px 40px;
}

.hero-glow-1 {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.03em;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, #a5b4fc, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin: 0 0 2rem;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.hero-image-card {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: 1rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.4);
}

.hero-image-card img {
  border-radius: var(--radius-xl);
  display: block;
  max-width: 100%;
  height: auto;
}

/* === Section Common === */
.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--primary-50);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === Features Section === */
.features-section {
  background: var(--bg-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: 2.25rem 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-400));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-600);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary-600);
  color: white;
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* === Stats Section === */
.stats-section {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.08) 1px, transparent 0);
  background-size: 30px 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 auto;
}

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

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.testimonial-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 1.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary-100);
}

.testimonial-author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.testimonial-author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === FAQ Section === */
.faq-section {
  background: var(--bg-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--bg-white);
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition);
  gap: 1rem;
}

.faq-question:hover {
  color: var(--primary-600);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  color: var(--primary-600);
  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: 300px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === CTA Section === */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600) 0%, #312e81 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 2rem;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Footer === */
.footer {
  background: #0f172a;
  padding: 4rem 0 2rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  max-width: 1280px;
  margin: 0 auto 3rem;
  padding: 0 2rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  margin: 0 0 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1.25rem;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: 0.6rem;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-column p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.footer-column i {
  width: 20px;
  color: var(--primary-400);
  margin-right: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: white;
}

/* === Page Header (for secondary pages) === */
.page-header {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4338ca 60%, #3730a3 100%);
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 35px 35px;
}

.page-header-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-header-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 0.75rem;
  letter-spacing: -0.03em;
}

.page-header-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
}

/* === Feature Detail Section (features.html) === */
.features-detail-section {
  background: var(--bg-white);
}

.features-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.feature-detail-card {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  transition: var(--transition);
}

.feature-detail-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-4px);
}

.feature-detail-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-600);
}

.feature-detail-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.feature-detail-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* === About Section === */
.about-section {
  background: var(--bg-white);
}

.about-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-wrapper img {
  width: 100%;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.about-image-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--primary-600);
  color: white;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.about-image-badge .number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.about-image-badge .label {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

.about-text h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0 0 1.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.value-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg-gray-50);
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.value-item:hover {
  background: var(--primary-50);
}

.value-item .value-icon {
  font-size: 1.75rem;
  color: var(--primary-600);
  margin-bottom: 0.75rem;
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* === Contact Section === */
.contact-section {
  background: var(--bg-white);
}

.contact-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.contact-info-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-600);
}

.contact-info-detail h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.contact-info-detail p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.contact-form-card {
  background: var(--bg-gray-50);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  border: 1px solid var(--border-light);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.contact-form-card > p {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: white;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

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

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

  .hero-text h1 {
    font-size: 2.75rem;
  }

  .hero-image-wrapper {
    order: -1;
  }

  .hero-image-card {
    max-width: 400px;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

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

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

  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-badge {
    right: 1rem;
    bottom: -1rem;
  }

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

  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .hero-text h1 {
    font-size: 2.25rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .stat-number {
    font-size: 2.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

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

  .page-header-content h1 {
    font-size: 2.25rem;
  }

  .contact-form-card {
    padding: 1.5rem;
  }

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

  .feature-detail-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-text h1 {
    font-size: 1.85rem;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

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

  .cta-buttons .btn {
    width: 100%;
  }
}

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Scroll to Top === */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 998;
}

.scroll-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-to-top:hover {
  background: var(--primary-700);
  transform: translateY(-3px);
}

/* === Toast Notification === */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast i {
  color: #34d399;
}