/* ===== HIEUBIKE LANDING PAGE STYLES ===== */
/* Modern, minimalist design for electric scooter rescue service */

/* CSS Variables - HieuBike Brand Colors */
:root {
  /* Brand Colors from WordPress theme */
  --primary: #3aa6b9;
  --secondary: #2997aa;
  --accent: #cae6e8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Neutral Colors */
  --white: #ffffff;
  --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;

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #454f5e;
  --text-light: #6b7280;
  --text-white: #ffffff;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Container */
  --container-max-width: 1200px;
  --container-padding: 1rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Animation */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s;
}

.btn:hover:before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--gray-100);
  color: var(--text-primary);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #16a34a);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-xl);
  font-weight: 700;
}

/* ===== ZALO ICON SVG ===== */
.zalo-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
}

.btn .zalo-icon {
  width: 1.2em;
  height: 1.2em;
}

.footer-social .zalo-icon {
  width: 1.1em;
  height: 1.1em;
}

.contact-buttons .zalo-icon {
  width: 24px;
  height: 24px;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-brand i {
  font-size: var(--font-size-2xl);
}

.nav-logo {
  height: 80px;
  width: auto;
  border-radius: var(--radius-sm);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

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

.nav-cta {
  background: var(--primary);
  color: var(--text-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: var(--secondary);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 80px; /* Add padding to push content below fixed navbar */
  max-height: 85vh;
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  background-image: url("../assets/images/analyst the error.png");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 30%;
  background: linear-gradient(
    135deg,
    rgba(58, 166, 185, 0.9) 0%,
    rgba(41, 151, 170, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-white);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-title-main {
  display: block;
  background: linear-gradient(135deg, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideInUp 1s ease-out;
}

.hero-title-sub {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 600;
  opacity: 0.9;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: slideInUp 1s ease-out 0.4s both;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
}

.hero-feature:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-feature i {
  font-size: var(--font-size-lg);
  color: var(--accent);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-highlights {
  display: grid;
  gap: var(--spacing-xl);
}

.highlight-card {
  display: flex;
  gap: var(--spacing-lg);
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.highlight-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-xl);
}

.highlight-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.highlight-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.about-image img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.image-placeholder {
  background: var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  color: var(--text-light);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--gray-300);
}

.image-placeholder i {
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.image-placeholder p {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

/* ===== SERVICES SECTION ===== */
.services {
  padding: var(--spacing-3xl) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

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

.service-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

.service-card.featured::before {
  height: 6px;
}

.service-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--primary);
  color: var(--text-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.service-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.service-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.service-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

.emergency-contact {
  background: linear-gradient(135deg, var(--gray-50), var(--accent));
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
}

.emergency-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.emergency-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.emergency-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* ===== SALES SECTION ===== */
.sales {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-50);
}

.sales-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.sales-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.sales-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.sales-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(58, 166, 185, 0.15);
}

.sales-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
  box-shadow: 0 15px 35px rgba(58, 166, 185, 0.2);
}

.sales-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--success);
  color: var(--text-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.sales-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.sales-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

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

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--gray-100);
}

.feature-item i {
  color: var(--success);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.sales-price {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  position: relative;
}

.sales-price::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  background: var(--white);
  border-radius: var(--radius-lg);
  z-index: 1;
}

.price-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  position: relative;
  z-index: 2;
}

.price-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 2;
}

.sales-cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.sales-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  z-index: 1;
}

.sales-cta-content {
  position: relative;
  z-index: 2;
}

.sales-cta-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-lg);
}

.sales-cta-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.sales-cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.sales-address {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-weight: 500;
}

.sales-address i {
  color: var(--primary);
}

/* ===== CONTACT & LOCATION SECTION ===== */
.contact-location {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: stretch;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.map-section {
  display: flex;
  flex-direction: column;
}

.map-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  height: 100%;
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.contact-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.contact-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  flex-grow: 1;
}

.contact-item {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  padding: var(--spacing-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.contact-item:hover {
  background: var(--accent);
  transform: translateX(5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-lg);
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.contact-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.contact-text span,
.contact-text a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.contact-text a:hover {
  color: var(--primary);
}

/* ===== MAP SECTION ===== */
.map-container {
  position: relative;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 2px solid var(--gray-100);
  background: var(--white);
}

.map-container:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-xl);
}

/* ===== FLOATING CONTACT BUTTONS ===== */
.contact-buttons {
  position: fixed;
  bottom: 50px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.contact-buttons a,
.scroll-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: pulse 2s infinite;
  cursor: pointer;
}

.contact-buttons a:hover,
.scroll-top:hover {
  transform: scale(1.15);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Màu từng nút */
.contact-buttons a.zalo {
  background: linear-gradient(135deg, #0068ff, #0052cc);
}
.contact-buttons a.facebook {
  background: linear-gradient(135deg, #1877f2, #0d5bd4);
}
.contact-buttons a.phone {
  background: linear-gradient(135deg, var(--success), #16a34a);
}
.scroll-top {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: none;
}

/* Hiệu ứng nhấp nháy */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

/* Responsive for floating buttons */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .contact-buttons a,
  .scroll-top {
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
}

/* ===== CTA SECTION ===== */
.cta {
  position: relative;
  padding: var(--spacing-3xl) 0;
  color: var(--text-white);
  text-align: center;
  overflow: hidden;
}

.cta-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  /* Add actual background image here: */
  background-image: url("../assets/images/CTA.png");
  background-size: cover;
  background-position: center;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 30%;
  background: rgba(58, 166, 185, 0.9);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.cta-note {
  color: var(--text-white);
  opacity: 0.8;
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.cta-note i {
  margin-right: var(--spacing-sm);
  color: var(--accent);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.footer-brand i {
  font-size: var(--font-size-2xl);
}

.footer-desc {
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--gray-700);
}

.footer-contact-item:hover {
  background: var(--gray-700);
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.footer-contact-item.footer-contact-info {
  cursor: default;
}

.footer-contact-item.footer-contact-info:hover {
  transform: none;
  border-color: var(--gray-700);
  box-shadow: none;
}

.footer-contact-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-lg);
}

.footer-contact-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-contact-text strong {
  color: var(--text-white);
  font-weight: 600;
  font-size: var(--font-size-base);
}

.footer-contact-text span {
  color: var(--gray-300);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: var(--spacing-xl) 0;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.copyright {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

.footer-link {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--primary);
}

.divider {
  margin: 0 var(--spacing-sm);
}

.developer {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  font-style: italic;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --font-size-6xl: 2.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-title-sub {
    font-size: var(--font-size-2xl);
  }

  .hero-features {
    gap: var(--spacing-md);
  }

  .hero-feature {
    flex: 1;
    min-width: 120px;
  }

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

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .service-card.featured {
    transform: none;
  }

  .sales-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .sales-card.featured {
    transform: none;
  }

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

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .map-container {
    min-height: 300px;
  }

  .emergency-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-title {
    font-size: var(--font-size-3xl);
  }

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

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

  .footer-contact-item {
    padding: var(--spacing-md);
  }

  .footer-contact-icon {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .contact-buttons {
    bottom: 20px;
    right: 10px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-features {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .hero-feature {
    padding: 0.5rem;
    font-size: var(--font-size-sm);
  }

  .btn-large {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
  }

  .btn-xl {
    padding: 1rem 1.75rem;
    font-size: var(--font-size-lg);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .highlight-card {
    padding: var(--spacing-lg);
  }

  .service-card {
    padding: var(--spacing-lg);
  }

  .emergency-contact {
    padding: var(--spacing-xl);
  }

  .cta-title {
    font-size: var(--font-size-2xl);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .floating-cta {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  * {
    color: black !important;
    background: white !important;
  }
}