/* ===== CSS Variables & Reset ===== */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2440;
  --primary-light: #2a5a8a;
  --accent: #ca451a;
  --accent-dark: #a83714;
  --accent-light: #e05a2a;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #1a1d21;
  --white: #ffffff;
  --black: #000000;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1400px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (min-width: 1200px) {
  html {
    zoom: 0.8;
  }
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--primary-light);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background: #ca451a;
  color: var(--white);
  border-color: #ca451a;
}

.btn-primary:hover {
  background: #a83714;
  border-color: #a83714;
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #0c1421;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: visible;
}

.site-header .header-inner {
  overflow: visible;
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  background: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  background: transparent !important;
}

.logo span {
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
  padding: 4px 0;
}

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

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

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-cta {
  background: #ca451a !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ===== Language Switcher ===== */
.lang-switcher {
  position: relative;
  margin-left: 8px;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.lang-switcher-btn:hover {
  border-color: var(--accent);
  background: rgba(202, 69, 26, 0.05);
}

.lang-switcher-btn .arrow {
  font-size: 0.6rem;
  transition: transform 0.2s;
}

.lang-switcher.open .lang-switcher-btn .arrow {
  transform: rotate(180deg);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 170px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: 100;
  overflow: hidden;
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--gray-700);
  transition: var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.lang-option:hover {
  background: var(--gray-50);
  color: var(--primary);
}

.lang-option.active {
  background: rgba(202, 69, 26, 0.08);
  color: var(--accent);
  font-weight: 600;
}

.lang-option .flag {
  font-size: 1.1rem;
  line-height: 1;
}

.lang-option .check {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  padding: 140px 0 80px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}


.hero .container {
  position: relative;
  z-index: 1;
  padding: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.15);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #2ecc71;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
  color: #fff;
}

.hero h1 span {
  color: #fff;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 32px;
}

.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

.hero-stat p {
  font-size: 0.85rem;
  margin-bottom: 0;
  color: rgba(255,255,255,0.6);
}

.hero-visual {
  position: relative;
}

.hero-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  padding: 40px;
}

.hero-image-placeholder svg {
  opacity: 0.6;
}

.hero-image-placeholder p {
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
  margin: 0;
}

/* Floating cards */
.floating-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-800);
  font-weight: 600;
  font-size: 0.85rem;
  animation: float 3s ease-in-out infinite;
}

.floating-card-1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-card-2 {
  bottom: 15%;
  left: -10%;
  animation-delay: 1.5s;
}

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

.hero-carousel {
  position: relative;
  min-height: 600px;
  padding: 0;
}

.carousel-slides {
  position: absolute;
  inset: 0;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  background-color: #0c1421;
}

.carousel-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #0c1421;
  opacity: 0.55;
  z-index: 0;
}

.carousel-slide.active {
  opacity: 1;
}

.hero-content-fixed {
  position: relative;
  z-index: 2;
  padding: 140px 0 80px;
}

/* Video follows slide 3 */
.hero-slide-video {
  position: absolute;
  z-index: 1;
  right: 5%;
  top: 50%;
  transform: translateY(-50%) scale(1.2);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
  max-width: 45%;
  transform-origin: center center;
}

.hero-slide-video.visible {
  opacity: 1;
}

.slide3-gif {
  display: block;
  width: 100%;
  max-height: 400px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  object-fit: contain;
}

.carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.2);
}

.carousel-dot:hover {
  background: rgba(255,255,255,0.6);
}

.carousel-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}

/* ===== Fixed content padding ===== */
.hero-content-text {
  padding-left: 0;
}

.hero-content-text h1 span {
  display: block;
}

/* ===== Slide 3 Video ===== */
.slide3-video {
  display: block;
  max-height: 400px;
  max-width: 42vw;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}


/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--gray-50);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9rem;
}

.trust-item svg {
  flex-shrink: 0;
}

/* ===== Section Shared ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  background: rgba(202, 69, 26, 0.1);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== Services Section ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(202, 69, 26, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-link:hover {
  gap: 8px;
}

/* ===== Why Us Section ===== */
.why-us {
  background: var(--gray-50);
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-us-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-us-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.why-us-video-sound-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.why-us-video-sound-btn:hover {
  background: rgba(0,0,0,0.7);
}

.why-us-features {
  display: grid;
  gap: 24px;
}

.why-us-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
}

.feature-text h4 {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.feature-text p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Quote CTA Section ===== */
.quote-cta {
  background: url('../images/背景色2.jpg') center center / cover no-repeat;
  color: var(--white);
  text-align: center;
}

.quote-cta h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.quote-cta p {
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

.quote-cta .btn {
  margin: 0 8px;
}

/* ===== Industries Section ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.industry-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.industry-item:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.industry-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 12px;
}

.industry-icon {
  font-size: 2rem;
}

/* ===== Process Section ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: '0' counter(step);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(202, 69, 26, 0.1);
  display: block;
  margin-bottom: 12px;
  line-height: 1;
}

.process-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.process-step p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Testimonials ===== */

/* ===== Footer ===== */
.site-footer {
  background: url('../images/背景色2.jpg') center center / cover no-repeat;
  color: #ffffff;
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--white);
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
}

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

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact li svg {
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: #ffffff;
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Page Header (inner pages) ===== */
.page-header {
  padding: 140px 0 60px;
  background: url('../images/背景色2.jpg') center center / cover no-repeat;
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== About Page ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--gray-200), var(--gray-300));
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 60px 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.about-stat-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.about-stat-card .number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
}

.about-stat-card p {
  color: var(--gray-600);
  margin-top: 8px;
  font-size: 0.95rem;
}

.cert-badges {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 40px;
}

.cert-badge {
  padding: 12px 24px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
}

/* ===== Services Page ===== */
.services-detail-grid {
  display: grid;
  gap: 40px;
}

.service-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.service-detail-card:nth-child(even) {
  direction: rtl;
  text-align: left;
}

.service-detail-card:nth-child(even) > * {
  direction: ltr;
}

.service-detail-image {
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--gray-200), var(--gray-300));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
}

.service-detail-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-detail-card p {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-detail-card ul {
  margin-bottom: 20px;
}

.service-detail-card ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.service-detail-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-list {
  display: grid;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(202, 69, 26, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-item h4 {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--gray-50);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(202, 69, 26, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ===== Quote Page ===== */
.quote-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.quote-step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.quote-step-card .step-num {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}

.quote-step-card h4 {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.quote-step-card p {
  color: var(--gray-600);
  font-size: 0.85rem;
}

.quote-form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--white);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Animations ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .why-us-grid,
  .about-intro,
  .contact-grid,
  .footer-grid,
  .service-detail-card,
  .service-detail-card:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .service-detail-card:nth-child(even) > * {
    direction: ltr;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

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

  .quote-steps {
    grid-template-columns: 1fr;
  }

  .floating-card {
    display: none;
  }

  .about-stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    gap: 16px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    color: var(--gray-700);
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: var(--primary);
  }

  .lang-switcher {
    width: 100%;
  }

  .lang-switcher-btn {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
    background: var(--gray-50);
    border-color: var(--gray-200);
    color: var(--gray-700);
  }

  .lang-dropdown {
    width: 100%;
    position: static;
    box-shadow: none;
    border: 1px solid var(--gray-200);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    margin-top: 4px;
  }

  .lang-switcher.open .lang-dropdown {
    display: block;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-grid,
  .why-us-grid {
    grid-template-columns: 1fr !important;
    gap: 30px;
  }

  .hero-stat h3 {
    font-size: 1.5rem;
  }

  .hero-stats {
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero-stat p {
    font-size: 0.75rem;
  }

  .hero-content-text {
    margin-left: 0;
    padding-left: 20px;
  }

  .hero-carousel {
    min-height: 500px;
  }

  .hero-slide-video {
    position: static;
    transform: none;
    max-width: 60%;
    margin: 0 auto;
    text-align: center;
  }

  .carousel-slide,
  .hero-content-fixed {
    padding: 100px 0 60px;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .quote-cta h2 {
    font-size: 1.8rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .quote-form-wrap {
    padding: 28px;
  }

  .contact-form {
    padding: 28px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  .hero p {
    font-size: 0.9rem;
  }
  .btn-lg {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  .container {
    padding: 0 12px;
  }
  .site-header .header-inner {
    padding: 0 12px;
  }
  .hero-content-text {
    padding-left: 12px;
  }
  .why-us-image {
    aspect-ratio: 4/3;
  }
}