@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary-color: #16a34a;
  --primary-gradient: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
  --text-dark: #111827;
  --text-light: #4b5563; /* Đã tăng contrast để dễ đọc */
  --bg-color: #f3f4f6;
  --white: #ffffff;
  --border-color: rgba(229, 231, 235, 0.5);
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 25px 30px -5px rgba(22, 163, 74, 0.15);
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}
button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}
a:focus-visible {
  outline: 2px dashed var(--primary-color); /* Giảm độ cứng của viền cho link */
  outline-offset: 2px;
}
.logo a:focus-visible {
  outline: none; /* Tắt hẳn viền xanh khi bấm vào Logo */
}

/* SVG Icon styles */
.icon-svg {
  width: 32px;
  height: 32px;
  color: var(--primary-color);
  margin-bottom: 1rem;
}
.usp-icon .icon-svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
}

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



body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

.rounded-img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  box-sizing: border-box;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 10px 15px -3px rgba(22, 163, 74, 0.3);
  transition: var(--transition);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 20px -3px rgba(22, 163, 74, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0088ff 0%, #0068ff 100%); /* Zalo Color */
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 10px 15px -3px rgba(0, 104, 255, 0.3);
  transition: var(--transition);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 20px -3px rgba(0, 104, 255, 0.4);
}

.w-full {
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: 1rem;
  font-weight: 800;
  color: #111827;
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout Styles */
.site-header {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  height: 80px;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.main-nav ul {
  display: flex;
  gap: 2.5rem;
}

.main-nav a {
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
  background-color: var(--white);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 50%;
  height: 120%;
  background: linear-gradient(135deg, rgba(22,163,74,0.1) 0%, rgba(255,255,255,0) 100%);
  border-radius: 50%;
  z-index: 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--text-dark);
  letter-spacing: -1px;
}

.mobile-break {
  display: none;
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
}

/* Sections Common */
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 4rem;
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.section-title::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 4px;
  background: var(--primary-gradient);
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.services-section, .fleet-section, .booking-section, .page-section {
  padding: 6rem 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 2.5rem;
}

.service-card {
  background: var(--white);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(22, 163, 74, 0.3);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Fleet Grid */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 2.5rem;
}

.fleet-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.fleet-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.fleet-card:hover img {
  transform: scale(1.05);
}

.fleet-card figcaption {
  padding: 1.5rem;
  font-weight: 700;
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-dark);
}

/* Booking Form */
.booking-section {
  background-color: var(--white);
}

.booking-inner {
  max-width: 700px;
}

.booking-form {
  background: var(--white);
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.75rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid #e5e7eb;
  border-radius: var(--radius-md);
  outline: none;
  font-size: 1rem;
  transition: var(--transition);
  background-color: #f9fafb;
}

.form-group input:focus {
  border-color: var(--primary-color);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.1);
}

/* Footer */
.site-footer {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 5rem 0 2rem;
  margin-top: 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-col p, .footer-col li {
  color: #94a3b8;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  color: #64748b;
  font-size: 0.875rem;
}

/* Content Pages (Dich vu, Bang gia, Gioi thieu) */
.page-header {
  background: var(--white);
  padding: 6rem 0 4rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.content-block {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 3rem;
}

.content-block h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.content-block p {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

/* Pricing Table */
.pricing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.pricing-table th, .pricing-table td {
  padding: 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  background: var(--white);
}

.pricing-table th {
  background-color: #f8fafc;
  font-weight: 700;
  color: var(--text-dark);
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table tbody tr:hover td {
  background-color: #f8fafc;
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-content h1 {
    font-size: 2.2rem;
    text-wrap: balance;
    letter-spacing: -0.5px;
  }
  .mobile-break {
    display: block;
  }
  .main-nav {
    display: none;
  }
  .section-title {
    font-size: 1.75rem;
    margin-bottom: 2.5rem;
    padding: 0 10px;
  }
  .header-inner {
    padding: 0.5rem 1rem;
  }
  .logo a {
    font-size: 1.25rem;
  }
  .header-cta .btn-primary {
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
  }
}

/* Floating Buttons CSS */
.zalo-container img{max-width:100%;height:auto;padding:5px}
.zalo-container{position:fixed;width:40px;height:40px;bottom:110px;z-index:9999999;right:33px}
.zalo-container a{display:block}
.zalo-container span{display:-webkit-flex;display:-moz-flex;display:-ms-flex;display:-o-flex;display:flex;-ms-align-items:center;align-items:center;width:40px;height:40px;border-radius:50%;background:#1182fc;position:relative}
@keyframes zoomIn_zalo{from{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}
.zoomIn_zalo{animation-name:zoomIn_zalo}
.animated_zalo{animation-duration:1s;animation-fill-mode:both}
.animated_zalo.infinite{animation-iteration-count:infinite}
.cmoz-alo-circle{width:50px;height:50px;top:-5px;right:-5px;position:absolute;background-color:transparent;-webkit-border-radius:100%;-moz-border-radius:100%;border-radius:100%;border:2px solid rgba(17,130,252,.8);opacity:.1;border-color:#1182fc;opacity:.5}
.cmoz-alo-circle-fill{width:60px;height:60px;top:-10px;position:absolute;-webkit-transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;-ms-transition:all .2s ease-in-out;-o-transition:all .2s ease-in-out;transition:all .2s ease-in-out;-webkit-border-radius:100%;-moz-border-radius:100%;border-radius:100%;border:2px solid transparent;-webkit-transition:all .5s;-moz-transition:all .5s;-o-transition:all .5s;transition:all .5s;background-color:rgba(17,130,252,.45);opacity:.75;right:-10px}
@-webkit-keyframes pulse_zalo{from{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}50%{-webkit-transform:scale3d(1.05,1.05,1.05);transform:scale3d(1.05,1.05,1.05)}to{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}
@keyframes pulse_zalo{from{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}50%{-webkit-transform:scale3d(1.05,1.05,1.05);transform:scale3d(1.05,1.05,1.05)}to{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}
.pulse_zalo{-webkit-animation-name:pulse_zalo;animation-name:pulse_zalo}
.hotline-phone-ring-wrap{position:fixed;bottom:0;right:0;z-index:999999}
.hotline-phone-ring{position:relative;visibility:visible;background-color:transparent;width:110px;height:110px;cursor:pointer;z-index:11;-webkit-backface-visibility:hidden;-webkit-transform:translateZ(0);transition:visibility .5s;left:0;bottom:0;display:block}
.hotline-phone-ring-circle{width:87px;height:87px;top:10px;left:10px;position:absolute;background-color:transparent;border-radius:100%;border:2px solid #e60808;-webkit-animation:phonering-alo-circle-anim 1.2s infinite ease-in-out;animation:phonering-alo-circle-anim 1.2s infinite ease-in-out;transition:all .5s;-webkit-transform-origin:50% 50%;-ms-transform-origin:50% 50%;transform-origin:50% 50%;opacity:.5}
.hotline-phone-ring-circle-fill{width:57px;height:57px;top:25px;left:25px;position:absolute;background-color:rgba(230,8,8,.7);border-radius:100%;border:2px solid transparent;-webkit-animation:phonering-alo-circle-fill-anim 2.3s infinite ease-in-out;animation:phonering-alo-circle-fill-anim 2.3s infinite ease-in-out;transition:all .5s;-webkit-transform-origin:50% 50%;-ms-transform-origin:50% 50%;transform-origin:50% 50%}
.hotline-phone-ring-img-circle{background-color:#e60808;width:33px;height:33px;top:37px;left:37px;position:absolute;background-size:20px;border-radius:100%;border:2px solid transparent;-webkit-animation:phonering-alo-circle-img-anim 1s infinite ease-in-out;animation:phonering-alo-circle-img-anim 1s infinite ease-in-out;-webkit-transform-origin:50% 50%;-ms-transform-origin:50% 50%;transform-origin:50% 50%;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;align-items:center;justify-content:center}
.hotline-phone-ring-img-circle .pps-btn-img{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex}
.hotline-phone-ring-img-circle .pps-btn-img img{width:20px;height:20px}
@-webkit-keyframes phonering-alo-circle-anim{0%{-webkit-transform:rotate(0) scale(.5) skew(1deg);-webkit-opacity:.1}30%{-webkit-transform:rotate(0) scale(.7) skew(1deg);-webkit-opacity:.5}100%{-webkit-transform:rotate(0) scale(1) skew(1deg);-webkit-opacity:.1}}
@-webkit-keyframes phonering-alo-circle-fill-anim{0%{-webkit-transform:rotate(0) scale(.7) skew(1deg);opacity:.6}50%{-webkit-transform:rotate(0) scale(1) skew(1deg);opacity:.6}100%{-webkit-transform:rotate(0) scale(.7) skew(1deg);opacity:.6}}
@-webkit-keyframes phonering-alo-circle-img-anim{0%{-webkit-transform:rotate(0) scale(1) skew(1deg)}10%{-webkit-transform:rotate(-25deg) scale(1) skew(1deg)}20%{-webkit-transform:rotate(25deg) scale(1) skew(1deg)}30%{-webkit-transform:rotate(-25deg) scale(1) skew(1deg)}40%{-webkit-transform:rotate(25deg) scale(1) skew(1deg)}50%{-webkit-transform:rotate(0) scale(1) skew(1deg)}100%{-webkit-transform:rotate(0) scale(1) skew(1deg)}}

/* Animations & Utilities */
.reveal { 
  opacity: 1; 
  transform: translateY(0); 
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); 
}
.reveal.js-hidden { 
  opacity: 0; 
  transform: translateY(30px); 
}
.reveal.active { 
  opacity: 1; 
  transform: translateY(0); 
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.js-hidden { opacity: 1 !important; transform: none !important; transition: none !important; }
}
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Header Shrink */
.site-header.shrink { background-color: rgba(255, 255, 255, 0.95); box-shadow: var(--shadow-md); }
.site-header.shrink .header-inner { height: 65px; transition: height 0.4s ease; }

/* FAQ Accordion */
.faq-section { background-color: var(--white); padding: 5rem 0; }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 1rem; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.faq-item summary { padding: 1.5rem; font-size: 1.125rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; color: var(--text-dark); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--primary-color); transition: transform 0.3s ease; }
.faq-item[open] summary::after { content: '-'; transform: rotate(180deg); }
.faq-item p { padding: 0 1.5rem 1.5rem; color: var(--text-light); line-height: 1.6; margin: 0; }

/* Layout Utilities */
.bg-white { background-color: var(--white); }
.bg-light-green { background-color: #f0fdf4; }
.bg-light-gray { background-color: #fafafa; }
.py-20 { padding: 5rem 0; }
.grid-cols-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 2rem; }
.grid-cols-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 4rem; align-items: center; }
.text-center { text-align: center; }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }

/* Block & Cards Utilities */
.usp-card { padding: 2rem; border: 1px solid var(--border-color); border-radius: var(--radius-md); text-align: center; background: var(--white); box-shadow: var(--shadow-sm); transition: var(--transition); }
.usp-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(22, 163, 74, 0.2); }
.step-card { flex: 1 1 250px; text-align: center; padding: 2rem; }
.step-number { width: 80px; height: 80px; background: var(--primary-gradient); color: white; font-size: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; font-weight: 800; box-shadow: var(--shadow-sm); }
.review-card { background: white; border-radius: var(--radius-lg); padding: 2.5rem 1.5rem; box-shadow: var(--shadow-sm); text-align: center; border: 1px solid var(--border-color); transition: var(--transition); }
.review-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.review-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 1.5rem; display: block; border: 3px solid var(--border-color); }
.review-stars { color: #f59e0b; font-size: 1.25rem; margin-bottom: 1rem; }
.cta-section { background: var(--primary-gradient); padding: 5rem 2rem; text-align: center; color: var(--white); border-radius: var(--radius-lg); margin: 4rem 1rem 2rem; box-shadow: var(--shadow-md); overflow: hidden; }
.cta-section h1, .cta-section h2, .cta-section h3, .cta-section p, .cta-section a, .cta-section .cta-title, .cta-section .cta-desc {
  color: var(--white) !important;
}
.cta-section .cta-btn {
  background: var(--white);
  color: var(--primary-color) !important;
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  border-radius: 9999px;
  font-weight: bold;
  text-decoration: none;
  margin-top: 1.5rem;
  transition: var(--transition);
}
.cta-section .cta-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}