/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES - BLUE & WHITE THEME ===== */
:root {
  --primary: #1a6fef;
  --primary-dark: #0d4fad;
  --primary-deeper: #0a2e6e;
  --primary-light: #4a90f4;
  --primary-lighter: #7ab3ff;
  --primary-pale: #dbeafe;
  --primary-ghost: #eff6ff;
  --accent: #0ea5e9;
  --accent-light: #38bdf8;
  --accent-dark: #0284c7;
  --blue-gradient: linear-gradient(135deg, #1a6fef 0%, #0ea5e9 100%);
  --blue-gradient-dark: linear-gradient(135deg, #0a2e6e 0%, #1a6fef 100%);
  --blue-gradient-soft: linear-gradient(135deg, #4a90f4 0%, #38bdf8 100%);
  --white: #ffffff;
  --off-white: #f8fafc;
  --light-gray: #f1f5f9;
  --gray-100: #e2e8f0;
  --gray-200: #cbd5e1;
  --gray-300: #94a3b8;
  --gray-400: #64748b;
  --gray-500: #475569;
  --dark: #0f172a;
  --dark-blue: #1e293b;
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 20px rgba(15,23,42,0.08);
  --shadow-lg: 0 10px 40px rgba(15,23,42,0.1);
  --shadow-xl: 0 20px 60px rgba(15,23,42,0.12);
  --shadow-blue: 0 8px 30px rgba(26,111,239,0.2);
  --shadow-blue-lg: 0 12px 40px rgba(26,111,239,0.3);
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.25s ease;
  --transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  color: var(--text-body);
  overflow-x: hidden;
  max-width: 100vw;
  line-height: 1.7;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: bicubic;
}

ul, ol {
  list-style: none;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--off-white);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  width: 36px;
  height: 2px;
  background: var(--blue-gradient);
  border-radius: 2px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title span {
  color: var(--primary);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== PRELOADER ===== */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loader-logo {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: var(--primary-pale);
  border-radius: 3px;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  display: block;
  width: 50%;
  height: 100%;
  background: var(--blue-gradient);
  border-radius: 3px;
  animation: loading 1.2s ease-in-out infinite;
}

@keyframes loading {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

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

/* ===== HEADER / NAVBAR ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.header.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-blue);
  color: var(--white);
}

.logo-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

.header:not(.scrolled) .logo-text {
  color: var(--white);
}

.logo-text span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-light);
}

.header:not(.scrolled) .logo-text span {
  color: var(--primary-pale);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--text-muted);
  position: relative;
  letter-spacing: 0.3px;
}

.header:not(.scrolled) .nav-link {
  color: rgba(255,255,255,0.8);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--primary-ghost);
}

.header:not(.scrolled) .nav-link:hover,
.header:not(.scrolled) .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 20px;
}

.header:not(.scrolled) .nav-link::after {
  background: var(--white);
}

.nav-cta {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 24px;
  background: var(--blue-gradient);
  color: var(--white);
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-blue);
  margin-left: 8px;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  width: 28px;
  height: 2.5px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.header:not(.scrolled) .menu-toggle span {
  background: var(--white);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-rendering: auto;
  -ms-interpolation-mode: bicubic;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(10, 46, 110, 0.88) 0%,
    rgba(26, 111, 239, 0.75) 40%,
    rgba(14, 165, 233, 0.7) 70%,
    rgba(10, 46, 110, 0.85) 100%
  );
  z-index: -1;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  animation: float linear infinite;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translateY(-100px) rotate(720deg);
    opacity: 0;
  }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
  animation: fadeInDown 0.8s ease;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--white);
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #ffffff 0%, #bfdbfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s both;
}

.btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-3px);
}

/* Blue variant buttons for white sections */
.btn-blue {
  background: var(--blue-gradient);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-blue:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue-lg);
}

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

.btn-blue-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 72px;
  animation: fadeInUp 1s ease 0.8s both;
}

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

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s ease infinite;
}

.hero-scroll span {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.scroll-icon {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-icon::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--white);
  border-radius: 3px;
  animation: scrollDown 1.5s ease infinite;
}

@keyframes scrollDown {
  0% { top: 6px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--white);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about-img-main img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
  image-rendering: auto;
}

.about-img-main:hover img {
  transform: scale(1.03);
}

.about-img-secondary {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 5px solid var(--white);
  box-shadow: var(--shadow-lg);
}

.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  image-rendering: auto;
}

.about-experience-badge {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--blue-gradient);
  color: var(--white);
  padding: 20px;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-blue-lg);
  z-index: 2;
}

.about-experience-badge .number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.about-experience-badge .text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content .section-subtitle,
.about-content .section-title {
  text-align: left;
}

.about-content .section-subtitle::before {
  display: none;
}

.about-text {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 28px;
  line-height: 1.9;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--primary-ghost);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-pale);
  transition: var(--transition);
}

.about-feature:hover {
  border-color: var(--primary-light);
  transform: translateX(5px);
  box-shadow: var(--shadow-sm);
}

.about-feature .icon {
  font-size: 1.2rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-gradient);
  border-radius: 10px;
  flex-shrink: 0;
}

.about-feature .text {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-dark);
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--off-white);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--blue-gradient);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-pale);
  box-shadow: var(--shadow-lg);
}

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

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--primary-ghost);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--primary-pale);
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-contact-wrapper {
  position: relative;
  display: inline-block;
}

button.service-price {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 20px;
  background: var(--primary-ghost);
  border-radius: 50px;
  border: 1px solid var(--primary-pale);
  transition: var(--transition);
  cursor: pointer;
  outline: none;
}

.service-card:hover button.service-price,
button.service-price:hover,
.service-contact-wrapper.active button.service-price {
  background: var(--blue-gradient);
  color: var(--white);
  border-color: transparent;
}

.service-contact-options {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--white);
  border-radius: var(--border-radius-sm);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 10;
  width: max-content;
  border: 1px solid var(--gray-100);
}

.service-contact-options::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: var(--white) transparent transparent transparent;
}

.service-contact-wrapper.active .service-contact-options {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}

.contact-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}

.contact-opt.phone {
  background: var(--primary-ghost);
  color: var(--primary);
}

.contact-opt.phone:hover {
  background: var(--primary);
  color: var(--white);
}

.contact-opt.zalo {
  background: rgba(0, 104, 255, 0.1);
  color: #0068FF;
}

.contact-opt.zalo:hover {
  background: #0068FF;
  color: var(--white);
}

/* ===== COUNTER SECTION ===== */
.counter-section {
  background: var(--blue-gradient-dark);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.counter-section::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.counter-section::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.counter-item {
  text-align: center;
  padding: 24px;
}

.counter-item .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.counter-item .count {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.counter-item .label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

/* ===== FLEET / GALLERY SECTION ===== */
.fleet {
  background: var(--white);
  position: relative;
}

.fleet-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.fleet-tab {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 24px;
  background: transparent;
  color: var(--text-muted);
  border: 2px solid var(--gray-100);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.fleet-tab:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.fleet-tab.active {
  background: var(--blue-gradient);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-blue);
}

.fleet-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  grid-auto-flow: dense;
  gap: 16px;
}

.fleet-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  width: 100%;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.fleet-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
  image-rendering: auto;
  -ms-interpolation-mode: bicubic;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.fleet-item:hover img {
  transform: scale(1.08);
}

.fleet-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 32px 16px 16px;
  background: linear-gradient(transparent, rgba(10, 46, 110, 0.9));
  transform: translateY(100%);
  transition: var(--transition);
}

.fleet-item:hover .fleet-item-overlay {
  transform: translateY(0);
}

.fleet-item-overlay h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.fleet-item-overlay p {
  font-size: 0.8rem;
  color: var(--primary-pale);
}

.fleet-item-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 50px;
  height: 50px;
  background: rgba(26, 111, 239, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  transition: var(--transition);
  z-index: 2;
  backdrop-filter: blur(4px);
}

.fleet-item:hover .fleet-item-zoom {
  transform: translate(-50%, -50%) scale(1);
}

/* Featured items span 2 columns and 2 rows */
.fleet-item.featured {
  grid-column: span 2;
  grid-row: span 2;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.96);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  image-rendering: auto;
  -ms-interpolation-mode: bicubic;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-nav:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.lightbox-prev { left: -70px; }
.lightbox-next { right: -70px; }

/* ===== WHY CHOOSE US ===== */
.why-us {
  background: var(--off-white);
  position: relative;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--border-radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-pale);
  box-shadow: var(--shadow-lg);
}

.why-card-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-pale);
  position: absolute;
  top: 12px;
  right: 20px;
  opacity: 0.5;
}

.why-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-ghost);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition);
}

.why-card:hover .why-card-icon {
  background: var(--blue-gradient);
  transform: rotate(10deg) scale(1.05);
  box-shadow: var(--shadow-blue);
}

.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.why-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== PROCESS SECTION ===== */
.process {
  background: var(--white);
  position: relative;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 15%;
  width: 70%;
  height: 2px;
  background: var(--blue-gradient);
  opacity: 0.2;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.process-step-number {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--white);
  border: 3px solid var(--primary-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.process-step:hover .process-step-number {
  background: var(--blue-gradient);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-blue);
}

.process-step h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: var(--primary-ghost);
  position: relative;
  overflow: hidden;
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.6s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 48px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.2rem;
  margin-bottom: 24px;
  letter-spacing: 4px;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.testimonial-info h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.testimonial-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-200);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-dot.active {
  background: var(--primary);
  width: 28px;
  border-radius: 5px;
}

/* ===== PRICING SECTION ===== */
.pricing {
  background: var(--off-white);
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-blue);
  transform: scale(1.05);
}

.pricing-card.popular::before {
  content: 'Phổ biến';
  position: absolute;
  top: 20px;
  right: -28px;
  background: var(--blue-gradient);
  color: var(--white);
  padding: 4px 40px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transform: rotate(45deg);
}

.pricing-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.pricing-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.pricing-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 28px;
  padding: 16px;
  background: var(--primary-ghost);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-pale);
}

.pricing-features {
  text-align: left;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--gray-100);
}

.pricing-features li .check {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
}

.pricing-btn {
  width: 100%;
  padding: 14px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.pricing-card.popular .pricing-btn {
  background: var(--blue-gradient);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-blue);
}

.pricing-btn:hover {
  background: var(--blue-gradient);
  color: var(--white);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

/* ===== CTA SECTION ===== */
.cta {
  background: var(--blue-gradient-dark);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

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

.cta::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--white);
}

.cta-title span {
  color: var(--accent-light);
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  justify-content: center;
}

.cta-phone .icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  animation: ring 2s ease infinite;
  border: 1px solid rgba(255,255,255,0.2);
}

@keyframes ring {
  0%, 100% { transform: rotate(0); }
  10%, 30% { transform: rotate(15deg); }
  20%, 40% { transform: rotate(-15deg); }
  50% { transform: rotate(0); }
}

.cta-phone .number {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--white);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

.contact-info-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-blue);
}

.contact-info-text h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.contact-info-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.contact-info-text a:hover {
  text-decoration: underline;
}

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--blue-gradient);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}

.contact-map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 2px solid var(--gray-100);
  height: 100%;
  min-height: 400px;
  box-shadow: var(--shadow-md);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,0.8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-brand .logo-text span {
  color: var(--primary-lighter);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--white);
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--blue-gradient);
  border-radius: 2px;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: '›';
  color: var(--primary-light);
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--primary-lighter);
  transform: translateX(5px);
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.footer-contact-item .icon {
  color: var(--primary-lighter);
  font-size: 1rem;
  margin-top: 2px;
}

.footer .contact-social .social-link {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.footer .contact-social .social-link:hover {
  background: var(--blue-gradient);
  border-color: var(--primary);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: var(--primary-lighter);
}

/* ===== FLOATING BUTTONS ===== */
.floating-buttons {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: none;
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1) translateY(-3px);
}

.float-btn.phone {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  animation: ring 3s ease infinite;
}

.float-btn.zalo {
  background: linear-gradient(135deg, #0068ff, #004bbd);
}

/* Phone ring animation */
.float-btn.phone::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #22c55e;
  animation: phoneRing 1.5s ease-out infinite;
}

@keyframes phoneRing {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== BACK TO TOP ===== */
.back-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 48px;
  height: 48px;
  background: var(--blue-gradient);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-blue);
}

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

.back-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue-lg);
}

/* ===== ANIMATIONS ON SCROLL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .fleet-gallery {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }
  
  .fleet-item.featured {
    grid-column: span 1;
  }
  
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-card.popular {
    transform: scale(1);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .section-padding {
    padding: 72px 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: 48px;
    transition: var(--transition);
    border-left: 1px solid var(--gray-100);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1rem;
    padding: 14px 0;
    width: 100%;
    color: var(--text-body) !important;
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--primary) !important;
    background: transparent !important;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .about-img-secondary {
    position: relative;
    bottom: auto;
    right: auto;
    width: 100%;
    height: 200px;
    margin-top: 16px;
    border: none;
  }
  
  .about-experience-badge {
    top: 16px;
    left: 16px;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .fleet-gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  
  .why-us-grid {
    grid-template-columns: 1fr;
  }
  
  .counter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .hero-stats {
    gap: 24px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  
  .floating-buttons {
    bottom: 16px;
    right: 16px;
  }
  
  .float-btn {
    width: 50px;
    height: 50px;
  }
  
  .back-top {
    left: 16px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
  
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-steps::before {
    display: none;
  }
}

@media (max-width: 480px) {
  .section-padding {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero-title {
    font-size: 1.8rem;
    line-height: 1.3;
  }
  
  .hero-desc {
    font-size: 0.95rem;
    padding: 0 10px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0 16px;
    gap: 12px;
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    margin: 0;
  }
  
  .hero-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
  }

  .stat-item {
    flex: 1 1 40%;
  }

  .stat-number {
    font-size: 1.5rem;
  }
  
  .fleet-gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }
  
  .fleet-tabs {
    gap: 8px;
    margin-bottom: 32px;
  }
  
  .fleet-tab {
    padding: 8px 16px;
    font-size: 0.75rem;
  }
  
  .counter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .counter-item {
    padding: 16px;
  }

  .counter-item .count {
    font-size: 2rem;
  }

  .counter-item .icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }
  
  .cta-phone .number {
    font-size: 1.1rem;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 24px 20px;
  }

  .why-card {
    padding: 24px 20px;
  }

  .pricing-card {
    padding: 30px 20px;
  }

  .testimonial-card {
    padding: 30px 20px;
  }

  .contact-info {
    padding: 24px 16px;
  }
  
  .service-contact-options {
    width: 200px;
  }

  .contact-opt {
    padding: 10px;
    font-size: 0.8rem;
    justify-content: center;
  }

  .float-btn {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
  }

  .floating-buttons {
    bottom: 20px;
    right: 20px;
  }

  .back-top {
    left: 20px;
    bottom: 20px;
    width: 40px;
    height: 40px;
  }
}

/* ===== PROMO POPUP ===== */
.promo-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(5px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.promo-popup.active {
  opacity: 1;
  visibility: visible;
}

.promo-content {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  max-width: 800px;
  width: 90%;
  display: flex;
  overflow: hidden;
  position: relative;
  transform: translateY(30px) scale(0.9);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-xl);
}

.promo-popup.active .promo-content {
  transform: translateY(0) scale(1);
}

.promo-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.1);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.promo-close:hover {
  background: var(--primary);
  color: var(--white);
  transform: rotate(90deg);
}

.promo-image {
  flex: 1;
  min-height: 100%;
}

.promo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promo-text {
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.promo-text h3 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.promo-text p {
  font-size: 1.05rem;
  color: var(--text-body);
  margin-bottom: 28px;
  line-height: 1.6;
}

.promo-actions {
  display: flex;
  gap: 16px;
}

@media (max-width: 768px) {
  .promo-content {
    flex-direction: column;
    max-width: 400px;
  }
  
  .promo-image {
    height: 200px;
    min-height: 200px;
  }
  
  .promo-text {
    padding: 32px 24px;
    text-align: center;
  }
  
  .promo-actions {
    justify-content: center;
  }
  
  .promo-text h3 {
    font-size: 1.5rem;
  }
}