/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
  /* Zalo Brand Colors */
  --primary-color: #0068ff;
  --primary-dark: #0052cc;
  --primary-light: #3385ff;
  --secondary-color: #00a3ff;
  --accent-color: #00d4ff;

  /* Neutral Colors */
  --text-dark: #1a1a1a;
  --text-gray: #666666;
  --text-light: #999999;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-gray: #f0f2f5;
  --border-color: #e5e7eb;

  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  line-height: var(--line-height-base);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-color);
}

.logo-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  flex-direction: column;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  gap: 0;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    position: static;
    flex-direction: row;
    background: transparent;
    box-shadow: none;
    padding: 0;
    gap: var(--spacing-lg);
  }
}

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

.nav-menu li {
  width: 100%;
}

@media (min-width: 992px) {
  .nav-menu li {
    width: auto;
  }
}

.nav-menu a {
  display: block;
  padding: var(--spacing-sm) 0;
}

@media (min-width: 992px) {
  .nav-menu a {
    padding: 0;
  }
}

.nav-menu a {
  padding: 10px;
  font-weight: 500;
  color: var(--text-dark);
  transition: color var(--transition-fast);
}

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

.btn-nav-cta {
  background: var(--primary-color);
  color: #fff !important;

  padding: 0.85rem 2.6rem; /* nền to, dài */
  border-radius: 999px; /* bo tròn pill */
  min-width: 140px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  display: inline-block;

  box-shadow: 0 6px 14px rgba(63, 143, 232, 0.35);
  transition: all 0.25s ease;
}

.btn-nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
}

.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 30px;
  height: 30px;
  justify-content: center;
}

@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 104, 255, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

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

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

.btn-block {
  width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  margin-top: 80px;
  overflow: hidden;
}

@media (min-width: 992px) {
  .hero {
    padding: 10rem 0 8rem;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-top: -120px;
}

@media (min-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

/* Responsive - căn giữa hero-content trong device emulation */
@media (max-width: 991px) {
  .hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-top: -100px;
    min-height: calc(100vh - 80px);
  }

  .hero-text {
    width: 100%;
    max-width: 100%;
  }
}

.hero-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
}

@media (min-width: 992px) {
  .hero-title {
    font-size: 2.25rem;
  }
}

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

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-gray);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.0625rem;
  }
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-gray);
}

.hero-image {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

@media (min-width: 768px) {
  .hero-image {
    min-height: 400px;
  }
}

@media (min-width: 992px) {
  .hero-image {
    min-height: 500px;
  }
}

/* Hero Slider with SVG Frame */
/* 1. Animation rung rinh nhẹ (Floating) */
@keyframes floatPhone {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-slider {
  /* Remove old frame styles */
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 40px; /* Bo góc màn hình khớp frame hơn */
  z-index: 1;
}

.phone-frame-container {
  position: relative;
  width: 100%;
  max-width: 330px; /* Tăng kích thước nhẹ cho thoải mái */
  margin: 0 auto;
  z-index: 10;
  animation: floatPhone 6s ease-in-out infinite; /* Hiệu ứng lơ lửng */
}

.phone-frame-wrapper {
  position: relative;
  width: 100%;
  /* Shadow sâu hơn, màu xanh đen sang trọng */
  filter: drop-shadow(0 30px 60px rgba(10, 20, 40, 0.4)); 
  transform-style: preserve-3d;
  perspective: 1000px;
}

.phone-frame-svg {
  position: relative;
  width: 100%;
  height: auto;
  z-index: 20; /* Frame nằm trên content */
  pointer-events: none;
  display: block;
}

.phone-screen-content {
  position: absolute;
  top: 1.8%;   /* Đẩy lên cao hơn (từ 2.2% -> 1.8%) để lấp tai thỏ */
  left: 4.5%; 
  width: 91%;
  height: 96%; /* Tăng chiều cao nhẹ */
  background: #202020; /* Màu nền tối trùng màu viền để che khuyết điểm */
  border-radius: 40px; 
  z-index: 15; 
  overflow: hidden;
  /* Bóng trong tạo chiều sâu */
  box-shadow: inset 0 0 20px rgba(0,0,0,0.9); 
}

/* 2. Hiệu ứng phản chiếu mặt kính (Glare) */
.phone-screen-content::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0) 40%,
    rgba(255,255,255,0.1) 50%,
    rgba(255,255,255,0) 60%
  );
  transform: rotate(25deg);
  pointer-events: none;
  z-index: 30;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(1.1); /* Zoom nhẹ khi ẩn */
  transition: opacity 1s ease-in-out, transform 1s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1); /* Về kích thước chuẩn */
  z-index: 2;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 40px;
}

/* Navigation Arrows */
.hero-slider-prev,
.hero-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  color: var(--primary-color);
}

.hero-slider-prev {
  left: -24px;
  border-right: 1px solid rgba(0, 0, 0, 0.15);
}

.hero-slider-next {
  right: -24px;
  border-left: 1px solid rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .hero-slider-prev {
    left: -20px;
  }

  .hero-slider-next {
    right: -20px;
  }
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.hero-slider-prev svg,
.hero-slider-next svg {
  width: 24px;
  height: 24px;
}

/* Pagination Dots */
.hero-slider-pagination {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.hero-slider-pagination .pagination-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.hero-slider-pagination .pagination-dot.active {
  background: var(--primary-color);
  width: 24px;
  border-radius: 5px;
  border-color: white;
}

.hero-slider-pagination .pagination-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* Floating Elements */
.hero-floating-elements {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 100;
}

.floating-shield {
  position: absolute;
  top: 10%;
  right: -30px;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.2);
  pointer-events: auto;
  cursor: pointer;
  z-index: 100;
}

.floating-shield svg {
  width: 32px;
  height: 32px;
  color: var(--primary-color);
}

.floating-chat {
  position: absolute;
  bottom: 15%;
  left: -30px;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2);
  pointer-events: auto;
  cursor: pointer;
  z-index: 100;
}

.floating-chat svg {
  width: 32px;
  height: 32px;
  color: #8b5cf6;
}

@keyframes floatElement {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

@media (max-width: 768px) {
  .hero-slider-prev,
  .hero-slider-next {
    width: 40px;
    height: 40px;
  }

  .hero-slider-prev svg,
  .hero-slider-next svg {
    width: 20px;
    height: 20px;
  }

  .floating-shield,
  .floating-chat {
    width: 50px;
    height: 50px;
  }

  .floating-shield svg,
  .floating-chat svg {
    width: 24px;
    height: 24px;
  }
}

/* Ensure image loads properly */
.hero-img[src=""],
.hero-img:not([src]),
.hero-img[src*="undefined"] {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  min-height: 400px;
}

/* Loading state */
.hero-img:not([src]),
.hero-img[src=""] {
  background-image: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  color: var(--bg-white);
  overflow: hidden;
}

.hero-wave svg {
  width: 100%;
  height: 100%;
}

/* ========================================
   Section Styles
   ======================================== */
section {
  padding: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
  section {
    padding: 2.5rem 0;
  }
}

.features {
  padding-bottom: var(--spacing-md);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 992px) {
  .section-title {
    font-size: 2rem;
  }
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .section-subtitle {
    font-size: 1rem;
  }
}

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

/* New 3-column layout with phone in center */
.features-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (min-width: 992px) {
  .features-layout {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
  }
}

/* Responsive - ẩn khoảng trống giữa các phần trong device emulation */
@media (max-width: 991px) {
  .features-layout {
    gap: 0;
  }
}

.phone-center {
  display: flex;
  align-items: center;
  justify-content: center;
  order: -1;
}

.features-column {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (max-width: 991px) {
  .features-column.features-left {
    order: 1;
  }

  .features-column.features-right {
    order: 3;
  }
}

/* Mobile optimization for Features: Infinite Marquee */
@media (max-width: 991px) {
  .phone-center {
    display: none !important;
  }
  
  .features-layout {
    gap: var(--spacing-sm);
    overflow: hidden; /* Ẩn phần tràn ra ngoài để không bị thanh cuộn ngang trang */
  }
  
  /* Container chung cho marquee */
  .features-column {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    width: max-content; /* Nội dung dài vô tận */
    /* Animation mặc định: Chạy sang trái */
    animation: marqueeLeft 20s linear infinite;
    /* Reset các thuộc tính scroll cũ */
    overflow-x: visible; 
    scroll-snap-type: none;
    padding: 0;
    margin: 0;
  }
  
  /* Hàng 1 (features-left): Chạy sang Trái */
  .features-column.features-left {
    animation: marqueeLeft 30s linear infinite;
  }

  /* Hàng 2 (features-right): Chạy sang Phải */
  .features-column.features-right {
    animation: marqueeRight 30s linear infinite;
  }

  /* Keyframes Chạy sang Trái */
  @keyframes marqueeLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Di chuyển 50% độ dài (vì đã nhân đôi content) */
  }

  /* Keyframes Chạy sang Phải */
  @keyframes marqueeRight {
    0% { transform: translateX(-50%); } /* Bắt đầu từ giữa (phần copy) */
    100% { transform: translateX(0); }  /* Chạy về đầu */
  }
  
  /* Style card */
  .feature-card {
    min-width: 260px; /* Thu nhỏ chút cho gọn */
    width: 260px;
    margin: 0;
    flex-shrink: 0; /* Không bị co lại */
    
    background: white;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    
    /* Bỏ active style cũ */
    opacity: 1;
    transform: none;
  }
  
  /* Chỉ hiện nội dung ngắn gọn */
  .feature-description {
    font-size: 0.85rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* Giới hạn 2 dòng */
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (min-width: 992px) {
  .phone-center {
    order: 0;
  }

  .features-column {
    order: 0;
  }
}

.phone-mockup {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.phone-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

@media (min-width: 1200px) {
  .phone-img {
    max-width: 320px;
  }
}

.feature-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0, 104, 255, 0.1);
  border-color: var(--primary-color);
}

/* Icon + Title wrapper */
.feature-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 0.25rem;
}

.feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  flex-shrink: 0;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 3px 8px rgba(0, 104, 255, 0.2);
}

.feature-card:nth-child(1) .feature-icon {
  background: linear-gradient(135deg, #0068ff 0%, #00a3ff 100%);
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
}

.feature-card:nth-child(5) .feature-icon {
  background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
}

.feature-card:nth-child(6) .feature-icon {
  background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
}

.feature-card:nth-child(7) .feature-icon {
  background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

.feature-card:nth-child(8) .feature-icon {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
}

.feature-card:nth-child(9) .feature-icon {
  background: linear-gradient(135deg, #14b8a6 0%, #5eead4 100%);
}

.feature-card:nth-child(10) .feature-icon {
  background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
}

.feature-card:nth-child(11) .feature-icon {
  background: linear-gradient(135deg, #a855f7 0%, #c084fc 100%);
}

.feature-card:nth-child(12) .feature-icon {
  background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
}

.feature-card:hover .feature-icon {
  box-shadow: 0 6px 16px rgba(0, 104, 255, 0.25);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
  transition: color 0.3s ease;
  background: linear-gradient(
    135deg,
    var(--text-dark) 0%,
    var(--text-dark) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
  flex: 1;
}

@media (min-width: 1200px) {
  .feature-title {
    font-size: 1rem;
  }
}

.feature-description {
  color: var(--text-gray);
  line-height: 1.5;
  font-size: 0.8125rem;
  transition: color 0.3s ease;
  margin: 0;
}

@media (min-width: 1200px) {
  .feature-description {
    font-size: 0.875rem;
    line-height: 1.6;
  }
}

/* ========================================
   Social Proof Section
   ======================================== */
.social-proof {
  background: #f0f7ff;
  padding: var(--spacing-xxl) 0;
}

.social-proof-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .social-proof-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
  }
}

/* Phones Section (Left) */
.phones-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  width: 100%;
  max-width: 1200px;
  padding: 40px 20px;
}

/* Container cho phones */
.phones-stack {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 650px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive cho phones-stack - thay đổi theo viewport */
@media (max-width: 991px) {
  /* Ẩn hoàn toàn phones-section trên mobile */
  .phones-section {
    display: none !important;
  }
  
  .phones-stack {
    max-width: min(500px, 90vw);
    height: min(600px, 85vh);
  }
}

@media (max-width: 768px) {
  .phones-stack {
    max-width: min(450px, 85vw);
    height: min(550px, 80vh);
  }
}

@media (max-width: 576px) {
  .phones-stack {
    max-width: min(400px, 90vw);
    height: min(500px, 75vh);
  }
}

@media (max-width: 400px) {
  .phones-stack {
    max-width: min(350px, 95vw);
    height: min(450px, 70vh);
  }
}

/* Phone mockup chung */
.phone-mockup {
  position: absolute;
  border-radius: calc(var(--radius-xl) + 10px);
  background: transparent;
  border: 8px solid #2a2a2a;
  box-shadow:
    0 0 0 2px #4a4a4a,
    0 0 0 4px #5a5a5a,
    0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Phone lớn - BÊN TRÁI */
.phone-large {
  width: 300px;
  height: 650px;
  left: 50px;
  top: 50%;
  transform: translateY(-50%) rotate(-8deg);
  z-index: 2;
}

.phone-large:hover {
  transform: translateY(-50%) rotate(-8deg) scale(1.02);
  box-shadow:
    0 0 0 2px #4a4a4a,
    0 0 0 4px #5a5a5a,
    0 40px 100px rgba(0, 0, 0, 0.4);
}

/* Phone nhỏ - BÊN PHẢI, CHỒNG LÊN */
.phone-small {
  width: 280px;
  height: 600px;
  right: 50px;
  top: 50%;
  transform: translateY(-50%) rotate(8deg);
  z-index: 3;
}

.phone-small:hover {
  /* Hiệu ứng hover đã bị vô hiệu hóa */
  transform: translateY(-50%) rotate(8deg);
}

/* Container cho 3 phone nhỏ - KHÔNG HIỂN THỊ */
.phones-right-stack {
  display: none;
}

/* Button CTA */
.cta-section-left {
  width: 100%;
  text-align: center;
}

/* Responsive - di chuyển CTA xuống 50px trong device emulation */
@media (max-width: 991px) {
  .cta-section-left {
    margin-top: 50px;
  }
}

/* Floating animation nhẹ */
@keyframes floatSlow {
  0%,
  100% {
    transform: translateY(-50%) rotate(-8deg) translateY(0);
  }
  50% {
    transform: translateY(-50%) rotate(-8deg) translateY(-15px);
  }
}

@keyframes floatFast {
  0%,
  100% {
    transform: translateY(-50%) rotate(8deg) translateY(0);
  }
  50% {
    transform: translateY(-50%) rotate(8deg) translateY(-20px);
  }
}

/* Animation không rotation cho responsive/device emulation */
@keyframes floatFastUpright {
  0%,
  100% {
    transform: translate(-50%, calc(-50% + 0px));
  }
  50% {
    transform: translate(-50%, calc(-50% - 20px));
  }
}

.phone-large {
  animation: floatSlow 4s ease-in-out infinite;
}

.phone-small {
  animation: floatFast 3.5s ease-in-out infinite;
  animation-delay: 0.5s;
}

/* Responsive */
@media (max-width: 991px) {
  .phone-large {
    display: none;
  }

  .phone-small {
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 0;
    right: auto;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) !important;
    transform-origin: center center !important;
    animation: floatFastUpright 3.5s ease-in-out infinite !important;
    animation-delay: 0.5s;
    rotate: 0deg !important;
  }

  .phone-small.phone-stack-1 {
    width: 277.32px !important;
    max-width: 277.32px !important;
    height: 600px !important;
    max-height: 600px !important;
  }

  .phone-small:hover {
    transform: translate(-50%, -50%) !important;
    animation: floatFastUpright 3.5s ease-in-out infinite !important;
    rotate: 0deg !important;
  }

  .phone-mockup {
    border-radius: 20px !important;
    height: auto;
    width: 100%;
    box-shadow:
      0 0 0 2px #4a4a4a,
      0 0 0 4px #5a5a5a,
      0 25px 70px rgba(0, 0, 0, 0.4) !important;
  }

  .phone-mockup.phone-small.phone-stack-1 {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    border-radius: 30px !important;
  }

  .phone-mockup img {
    object-fit: contain;
    width: 100%;
    height: auto;
    display: block;
  }

  .phone-small.phone-stack-1 img {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    object-fit: cover;
  }
}

@media (max-width: 768px) {
  .phone-small.phone-stack-1 {
    width: 277.32px !important;
    max-width: 277.32px !important;
    height: 600px !important;
    max-height: 600px !important;
  }

  .phone-mockup.phone-small.phone-stack-1 {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    border-radius: 30px !important;
  }

  .phone-small.phone-stack-1 img {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    object-fit: cover;
  }

  .phone-center {
    display: none !important;
  }
}

@media (max-width: 576px) {
  .phone-small.phone-stack-1 {
    width: 277.32px !important;
    max-width: 277.32px !important;
    height: 600px !important;
    max-height: 600px !important;
  }

  .phone-mockup.phone-small.phone-stack-1 {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    border-radius: 30px !important;
  }

  .phone-small.phone-stack-1 img {
    width: 277.32px !important;
    height: 600px !important;
    max-width: 277.32px !important;
    max-height: 600px !important;
    object-fit: cover;
  }

  .phone-center {
    display: none !important;
  }
}

@media (max-width: 576px) {
  .phone-large {
    display: none;
  }

  .phone-small {
    width: 100%;
    max-width: 100%;
    height: auto;
    right: auto;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) !important;
    transform-origin: center center !important;
    animation: floatFastUpright 3.5s ease-in-out infinite !important;
    animation-delay: 0.5s;
    rotate: 0deg !important;
  }

  .phone-small:hover {
    transform: translate(-50%, -50%) scale(1.05) !important;
    animation: none !important;
    rotate: 0deg !important;
  }

  .phone-mockup {
    border-radius: 20px !important;
    height: auto;
    width: 100%;
    box-shadow:
      0 0 0 2px #4a4a4a,
      0 0 0 4px #5a5a5a,
      0 25px 70px rgba(0, 0, 0, 0.4) !important;
  }

  .phone-mockup img {
    object-fit: contain;
    width: 100%;
    height: auto;
    display: block;
  }

  .btn {
    padding: 16px 40px;
    font-size: 16px;
  }
}

/* Content Section (Right) */
.content-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Benefits Section */
.benefits-section {
  width: 100%;
}

.section-header-left {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.section-title-benefits {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-top: 10px;
  margin-bottom: var(--spacing-sm);
}

.title-with-icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.title-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.title-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.title-text {
  color: #1e40af;
  font-weight: 800;
}

.section-subtitle-benefits {
  font-size: 0.9375rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin: 0;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: 0;
  background: transparent;
  border: none;
}

.benefit-icon-circle {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: #bfdbfe;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-icon-circle svg {
  width: 20px;
  height: 20px;
  color: white;
}

.benefit-content {
  flex: 1;
}

.benefit-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.benefit-text {
  font-size: 0.875rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin: 0;
}

/* Statistics Section */
.statistics-section {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: -60px;
}

@media (max-width: 991px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8faff 100%);
  border-radius: 12px;
  padding: 0.6rem;
  text-align: center;
  border: 1px solid rgba(0, 104, 255, 0.1);
  box-shadow: 0 2px 6px rgba(0, 104, 255, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  box-shadow: 0 4px 12px rgba(0, 104, 255, 0.15);
  transform: translateY(-3px);
  border-color: rgba(0, 104, 255, 0.2);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon-wrapper {
  width: 32px;
  height: 32px;
  margin: 0 auto 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(0, 104, 255, 0.1) 0%,
    rgba(0, 163, 255, 0.1) 100%
  );
  border-radius: 8px;
  transition: all 0.3s ease;
}

.stat-card:hover .stat-icon-wrapper {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  transform: scale(1.1);
}

.stat-icon-wrapper svg {
  width: 16px;
  height: 16px;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.stat-card:hover .stat-icon-wrapper svg {
  color: white;
}

.stat-value {
  font-size: 0.96rem;
  font-weight: 900;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.15rem;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.stat-label {
  font-size: 0.625rem;
  color: var(--text-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

@media (max-width: 991px) {
  .stat-card {
    padding: 0.5rem;
  }

  .stat-icon-wrapper {
    width: 28px;
    height: 28px;
  }

  .stat-icon-wrapper svg {
    width: 14px;
    height: 14px;
  }

  .stat-value {
    font-size: 0.8rem;
  }

  .stat-label {
    font-size: 0.5625rem;
  }
}

@media (max-width: 991px) {
  .phones-stack {
    height: 500px;
  }

  .phone-mockup {
    width: 150px;
  }

  .phone-2 {
    left: 60px;
    top: 30px;
  }

  .phone-3 {
    left: 120px;
    top: 60px;
  }

  .section-title-benefits {
    font-size: 1.5rem;
  }

  .stats-grid {
    gap: var(--spacing-sm);
  }

  .stat-card {
    padding: var(--spacing-md);
  }

  .stat-value {
    font-size: 1.5rem;
  }
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  align-items: center;
  justify-items: center;
}

@media (min-width: 640px) {
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .clients-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.client-logo {
  opacity: 0.7;
  transition: all 0.3s ease;
  filter: grayscale(100%);
  width: 100%;
  max-width: 180px;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.client-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.client-logo img {
  width: 100%;
  height: auto;
  min-height: 60px;
  max-height: 80px;
  max-width: 150px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* Đảm bảo SVG hiển thị */
.client-logo img[src$=".svg"] {
  width: auto;
  height: auto;
  min-width: 120px;
  min-height: 60px;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
  background: var(--bg-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 992px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  border: 2px solid var(--border-color);
  position: relative;
  transition: all var(--transition-base);
}

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

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

@media (max-width: 991px) {
  .pricing-card.featured {
    transform: scale(1);
  }
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
}

.price-period {
  font-size: 1rem;
  color: var(--text-gray);
}

.pricing-description {
  color: var(--text-gray);
  font-size: 0.875rem;
}

.pricing-features {
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  color: var(--text-dark);
  border-bottom: 1px solid var(--bg-gray);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-note {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--primary-color);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
  background: var(--bg-white);
}

.comparison-table-wrapper {
  overflow-x: auto;
}

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

.comparison-table thead {
  background: var(--primary-color);
  color: white;
}

.comparison-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
}

.comparison-table th.highlight {
  background: var(--primary-dark);
}

.comparison-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.comparison-table tbody tr:hover {
  background: var(--bg-light);
}

.comparison-table td.highlight {
  background: rgba(0, 104, 255, 0.05);
  font-weight: 600;
  color: var(--primary-color);
}

.comparison-table td:first-child {
  font-weight: 600;
}

/* Responsive - Chuyển table thành cards trong device emulation */
@media (max-width: 991px) {
  .comparison-table-wrapper {
    overflow-x: visible;
  }

  .comparison-table {
    display: block;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  .comparison-table thead {
    display: none;
  }

  .comparison-table tbody {
    display: block;
  }

  .comparison-table tbody tr {
    display: block;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
    padding: 20px;
    border: none;
  }

  .comparison-table tbody tr:last-child {
    margin-bottom: 0;
  }

  .comparison-table tbody tr:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  .comparison-table td {
    display: block;
    padding: 12px 0;
    border-bottom: none;
    text-align: left;
  }

  .comparison-table td:first-child {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
  }

  .comparison-table td:not(:first-child) {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    position: relative;
  }

  /* Thêm label cho mỗi cột */
  .comparison-table tbody tr td:nth-child(2)::before {
    content: "ZALO MINI SD APP";
    font-weight: 600;
    color: var(--text-dark);
  }

  .comparison-table tbody tr td:nth-child(3)::before {
    content: "Giải pháp A";
    font-weight: 600;
    color: var(--text-dark);
  }

  .comparison-table tbody tr td:nth-child(4)::before {
    content: "Giải pháp B";
    font-weight: 600;
    color: var(--text-dark);
  }

  /* Style cho ZALO MINI SD APP (highlight) */
  .comparison-table td.highlight {
    background: rgba(122, 184, 255, 0.1);
    border-radius: 8px;
    padding: 10px 12px;
    margin: 4px 0;
  }

  .comparison-table td.highlight::before {
    background: rgba(122, 184, 255, 0.2);
    padding: 4px 8px;
    border-radius: 6px;
    margin-right: 8px;
  }
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
  background: linear-gradient(135deg, #f5f0ff 0%, #ffffff 100%);
  padding: var(--spacing-xxl) 0;
}

.testimonials .section-header {
  margin-top: 20px;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.testimonials .section-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
}

.testimonials .section-subtitle {
  font-size: 0.875rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin: 0;
}

@media (min-width: 768px) {
  .testimonials .section-title {
    font-size: 1.75rem;
  }

  .testimonials .section-subtitle {
    font-size: 0.9375rem;
  }
}

@media (min-width: 992px) {
  .testimonials .section-title {
    font-size: 2rem;
  }
}

.testimonials-container {
  position: relative;
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 6 Profile circles xung quanh */
.testimonial-profiles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  margin-top: -60px;
}

/* Responsive - ẩn testimonial-profiles trong device emulation */
@media (max-width: 991px) {
  .testimonial-profiles {
    display: none !important;
  }
}

.profile-circle {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.3s ease,
    border-color 0.2s ease,
    border-width 0.2s ease;
  cursor: pointer;
}

.profile-circle:hover {
  transform: scale(1.2);
  z-index: 10;
}

.profile-circle.active {
  border-color: var(--primary-color);
  border-width: 5px;
  z-index: 10;
}

.profile-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-1 {
  top: 5%;
  left: 5%;
  border-color: #bfdbfe;
}

.profile-2 {
  top: 5%;
  right: 5%;
  border-color: #fbcfe8;
}

.profile-3 {
  top: calc(50% - 17px);
  left: 0;
  border-color: #fed7aa;
}

.profile-4 {
  top: calc(50% - 17px);
  right: 0;
  border-color: #fed7aa;
}

.profile-5 {
  bottom: 5%;
  left: 10%;
  border-color: #bbf7d0;
}

.profile-6 {
  bottom: 5%;
  right: 10%;
  border-color: #bbf7d0;
}

/* Testimonial slider container */
.testimonial-slider {
  position: relative;
  z-index: 5;
  max-width: 300px;
  margin: 0 auto;
  overflow: hidden;
  margin-top: -60px;
}

/* Testimonial chính ở giữa */
.testimonial-main {
  position: relative;
  background: white;
  padding: var(--spacing-lg);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  text-align: center;
  margin: 0 auto;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
}

.testimonial-main.active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
}

.testimonial-rating {
  display: flex;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--spacing-sm);
}

.testimonial-rating svg {
  width: 14px;
  height: 14px;
  color: #fbbf24;
  fill: #fbbf24;
}

.testimonial-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.author-avatar-main {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #e5e7eb;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.author-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.15rem;
}

.author-title {
  font-size: 0.75rem;
  color: var(--text-gray);
}

.testimonial-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: var(--spacing-md);
  position: relative;
  z-index: 10;
}

.pagination-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d5db;
  transition: all 0.3s ease;
  cursor: pointer;
}

.pagination-dot:hover {
  background: #9ca3af;
}

.pagination-dot.active {
  background: var(--primary-color);
  width: 20px;
  border-radius: 4px;
}

/* Footer với rating tổng thể */
.testimonials-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.overall-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.rating-stars {
  display: flex;
  gap: 4px;
}

.rating-stars svg {
  width: 24px;
  height: 24px;
  color: #fbbf24;
  fill: #fbbf24;
}

.rating-score {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
}

.total-reviews {
  margin-bottom: var(--spacing-md);
}

.review-number {
  font-size: 3rem;
  font-weight: 900;
  color: #1e40af;
  line-height: 1;
}

.reviews-link {
  display: inline-block;
  color: #8b5cf6;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s ease;
}

.reviews-link:hover {
  color: #7c3aed;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .testimonials-container {
    min-height: 250px;
  }

  .profile-circle {
    width: 50px;
    height: 50px;
  }

  .testimonial-slider {
    max-width: 280px;
  }

  .testimonial-main {
    padding: var(--spacing-md);
  }

  .testimonial-text {
    font-size: 0.8125rem;
  }

  .author-avatar-main {
    width: 45px;
    height: 45px;
  }

  .author-name {
    font-size: 0.8125rem;
  }

  .author-title {
    font-size: 0.6875rem;
  }

  .review-number {
    font-size: 2.5rem;
  }
}

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

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

.faq-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item.active {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary-color);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--text-gray);
  line-height: 1.7;
}

/* ========================================
   Registration Section
   ======================================== */
.register {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  position: relative;
  overflow: hidden;
}

.register::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
}

.register-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

@media (min-width: 992px) {
  .register-content {
    grid-template-columns: 1fr 1fr;
  }
}

.register-text .section-title,
.register-text .section-subtitle {
  color: white;
  text-align: left;
}

.register-text .section-subtitle {
  margin-bottom: var(--spacing-xl);
}

.register-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.125rem;
}

.benefit-icon {
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.register-form-wrapper {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 104, 255, 0.1);
}

.form-note {
  margin-top: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--text-gray);
  text-align: center;
}

.form-note a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--text-dark);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 640px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

@media (min-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xl);
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* Footer Accordion Styles */
.footer-accordion {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) {
  .footer-accordion {
    border-bottom: none;
  }
}

.footer-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  margin-bottom: 0;
  transition: color var(--transition-fast);
}

@media (min-width: 640px) {
  .footer-title {
    cursor: default;
    padding: 0;
    margin-bottom: var(--spacing-md);
  }
}

.footer-title:hover {
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 640px) {
  .footer-title:hover {
    color: white;
  }
}

/* Chevron Icon */
.footer-chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .footer-chevron {
    display: none;
  }
}

.footer-accordion.active .footer-chevron {
  transform: rotate(180deg);
}

/* Accordion Content */
.footer-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease-out,
    padding 0.3s ease-out;
  padding: 0;
}

@media (min-width: 640px) {
  .footer-accordion-content {
    max-height: none;
    overflow: visible;
    padding: 0;
  }
}

.footer-accordion.active .footer-accordion-content {
  max-height: 300px;
  padding-bottom: var(--spacing-md);
}

@media (min-width: 640px) {
  .footer-accordion.active .footer-accordion-content {
    padding-bottom: 0;
  }
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
  padding: 4px 0;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

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

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

/* First footer-col (logo section) should not be accordion on mobile */
.footer-col:first-child {
  border-bottom: none;
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 640px) {
  .footer-col:first-child {
    padding-bottom: 0;
    margin-bottom: 0;
  }
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: all var(--transition-base);
}

.scroll-top.visible {
  display: flex;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
}

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

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Stagger animation for feature cards */
.feature-card:nth-child(1) {
  animation-delay: 0.1s;
}
.feature-card:nth-child(2) {
  animation-delay: 0.2s;
}
.feature-card:nth-child(3) {
  animation-delay: 0.3s;
}
.feature-card:nth-child(4) {
  animation-delay: 0.4s;
}
.feature-card:nth-child(5) {
  animation-delay: 0.5s;
}
.feature-card:nth-child(6) {
  animation-delay: 0.6s;
}
.feature-card:nth-child(7) {
  animation-delay: 0.1s;
}
.feature-card:nth-child(8) {
  animation-delay: 0.2s;
}
.feature-card:nth-child(9) {
  animation-delay: 0.3s;
}
.feature-card:nth-child(10) {
  animation-delay: 0.4s;
}
.feature-card:nth-child(11) {
  animation-delay: 0.5s;
}
.feature-card:nth-child(12) {
  animation-delay: 0.6s;
}

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 639px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
  }

  .hero-stats .stat-number {
    font-size: 1.25rem;
  }

  .hero-stats .stat-label {
    font-size: 0.7rem;
  }

  .comparison-table-wrapper {
    font-size: 0.875rem;
  }
}
/* ===================== */
/*  QR BLOCK – SÓC ĐỎ    */
/* ===================== */

.sdqr-container {
  display: flex;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 18px rgba(0, 0, 0, 0.1);
  max-width: 1100px;
  margin: auto;
}

.sdqr-left {
  padding: 40px;
  flex: 1.2;
}

.sdqr-app-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sdqr-app-header img {
  width: 70px;
  height: 70px;
  border-radius: 16px;
}

.sdqr-title {
  font-size: 26px;
  font-weight: bold;
}

.sdqr-subtitle {
  font-size: 15px;
  color: gray;
}

.sdqr-description {
  margin-top: 20px;
  font-size: 16px;
}

.sdqr-guide {
  margin-top: 30px;
}

.sdqr-guide h3 {
  margin-bottom: 10px;
}

.sdqr-guide ol {
  padding-left: 20px;
  line-height: 1.8;
  font-size: 16px;
}

/* RIGHT PANEL */
.sdqr-right {
  background: linear-gradient(to bottom, #7ab8ff, #2f7cff);
  width: 360px;
  padding: 40px 20px;
  text-align: center;
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sdqr-qr-box {
  background: #fff;
  padding: 20px;
  border-radius: 16px;
}

.sdqr-qr-box img {
  width: 220px;
  height: 220px;
}

.sdqr-qr-text {
  margin-top: 12px;
}

.sdqr-mini-app {
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: 12px;
}

/* Responsive - Ẩn sdqr-left, chỉ hiển thị sdqr-right trong device emulation */
@media (max-width: 991px) {
  .sdqr-left {
    display: none !important;
  }

  .sdqr-right {
    width: 100% !important;
    max-width: 100% !important;
  }

  .sdqr-container {
    justify-content: center;
  }
}
/* Logo sizing - Header */
/* Logo tràn ra ngoài navbar mà không làm tăng chiều cao header */
.logo .logo-img {
  left: -25px;
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin: -70px 0; /* Negative margin để logo tràn ra mà không đẩy header */
  position: relative;
  z-index: 10;
}

/* Logo sizing - Footer */
.footer-col:first-child {
  position: relative;
  /* Restore default layout behavior */
}

.footer-logo {
  position: relative;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-logo .logo-img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin-top: -60px; /* Pull logo up into padding area */
  margin-left: -15px; /* Adjust alignment slightly left */
  margin-bottom: -40px; /* Reduce space below logo */
}

/* Reset description margin */
.footer-col:first-child .footer-description {
  margin-top: 0;
  position: relative;
  z-index: 5;
}

/* Ensure navbar doesn't get too tall */
.nav-content {
  padding: var(--spacing-sm) 0;
}


/* ========================================
   Enhanced Hero Visuals (MiniApp Style)
   ======================================== */

/* 1. Background Blob (Vòng tròn xanh sau điện thoại) */
.hero-image {
  position: relative;
  /* Đảm bảo container đủ lớn */
  z-index: 10;
}

.hero-bg-blob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%; /* Rộng hơn điện thoại */
  height: 90%;
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  border-radius: 50% 40% 60% 50% / 60% 50% 60% 40%; /* Hình dáng organic không tròn đều */
  opacity: 0.15; /* Màu nhạt làm nền */
  filter: blur(40px);
  z-index: 0; /* Nằm dưới dùng */
  animation: blobFloat 8s ease-in-out infinite;
}

@keyframes blobFloat {
  0%, 100% { border-radius: 50% 40% 60% 50% / 60% 50% 60% 40%; transform: translate(-50%, -50%) rotate(0deg); }
  50% { border-radius: 60% 50% 40% 60% / 50% 60% 40% 50%; transform: translate(-50%, -50%) rotate(5deg); }
}

/* 2. Floating Elements Styling (Làm đẹp các nút trôi nổi) */
.hero-floating-elements {
  z-index: 25; /* Nổi trên điện thoại */
}

.floating-item {
  position: absolute;
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 10px 25px rgba(0, 104, 255, 0.15),
    0 4px 6px rgba(0, 0, 0, 0.05),
    inset 0 0 0 1px rgba(255, 255, 255, 0.5); /* Viền mờ */
  animation: floatItem 5s ease-in-out infinite;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.floating-item:hover {
  transform: scale(1.1) rotate(5deg);
}

.floating-item svg {
  width: 32px;
  height: 32px;
}

/* Nút khiên (Bảo mật) - Bên phải trên */
.float-shield {
  top: 15%;
  right: -20px;
  color: #0068ff;
  animation-delay: 0s;
}

/* Nút Chat (Tư vấn) - Bên trái dưới */
.float-chat {
  bottom: 20%;
  left: -20px;
  color: #8b5cf6;
  animation-delay: 2.5s; /* Chuyển động lệch pha */
}

@keyframes floatItem {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Responsive cho floating items */
@media (max-width: 768px) {
  .hero-bg-blob {
    width: 100%;
    height: 80%;
  }
  
  .floating-item {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }
  
  .floating-item svg {
    width: 24px;
    height: 24px;
  }
  
  .float-shield {
    right: -10px;
  }
  
  .float-chat {
    left: -10px;
  }
}


/* ========================================
   Comparison Section Styles (Responsive)
   ======================================== */

/* Utility Visibility Classes */
.desktop-only { display: block; }
.mobile-only { display: none; }

@media (max-width: 991px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: block !important; }
}

/* 1. Mobile Tabs Switcher */
.comp-tabs {
    display: flex;
    gap: 10px;
    padding: 10px;
    background: #f5f7fa;
    border-radius: 12px;
    margin-bottom: 20px;
    overflow-x: auto; /* Scroll if needed on small screens */
}

.comp-tab {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.comp-tab.active {
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    color: var(--primary-color);
}

.tab-badge {
    font-size: 0.65rem;
    background: #e0f2fe;
    color: #0068ff;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
}

/* 2. Mobile Accordion Content */
.comp-content-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    overflow: hidden;
    padding: 20px;
}

.comp-column {
    display: none; /* Hide all columns by default */
    animation: fadeIn 0.3s ease;
}

.comp-column.active {
    display: block; /* Show active column */
}

/* Accordion Item */
.comp-accordion {
    border-bottom: 1px solid #eee;
    margin-bottom: 15px;
    padding-bottom: 15px;
}

.comp-accordion:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.comp-acc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    cursor: pointer;
    font-weight: 700;
    color: #1e293b;
    font-size: 1.05rem;
}

.acc-icon {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: bold;
}

.comp-acc-body {
    display: none;
    margin-top: 10px;
    padding-left: 10px;
    border-left: 2px solid #f1f5f9;
}

.comp-accordion.open .comp-acc-body {
    display: block;
}

/* Accordion Row Details */
.comp-row {
    margin-bottom: 12px;
}

.comp-row:last-child {
    margin-bottom: 0;
}

.comp-row .label {
    display: block;
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 4px;
}

.comp-row .value {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Status Colors */
.value.good { color: #10b981; } /* Green */
.value.warning { color: #f59e0b; } /* Orange */
.value.bad { color: #ef4444; } /* Red */

/* Message Box */
.comp-msg {
    margin-top: 20px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #475569;
    border-left: 3px solid #cbd5e1;
    font-style: italic;
}

/* 3. Sticky CTA Mobile */
.comparison-cta.mobile-only {
    position: sticky;
    bottom: 20px;
    margin-top: 20px;
    padding: 0 10px;
    z-index: 100;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 1rem;
    box-shadow: 0 8px 20px rgba(0, 104, 255, 0.3);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}