:root {
  /* Бизнес-палитра: Изумрудный (доверие) и Золотой (успех) */
  --primary: #064E3B; /* Глубокий зеленый */
  --primary-light: #047857; /* Изумрудный */
  --accent: #D97706; /* Золотистый/янтарный */
  --dark: #111827;
  --gray: #6B7280;
  --light-bg: #F9FAFB;
  --white: #FFFFFF;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background-color: var(--white);
}

h1, h2, h3 {
  font-family: 'Playfair Display', serif;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 5%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--white);
}

.logo-main {
  font-family: 'Inter', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
}

.logo-sub {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 2px;
  color: #FDE68A; /* Светло-золотой */
}

.nav-links {
  display: none;
}

.nav-links a {
  color: var(--white);
  text-decoration: none;
  margin: 0 16px;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #FDE68A;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.lang-switch button {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: color 0.2s;
}

.lang-switch button:hover,
.lang-switch button.active {
  color: var(--white);
}

/* Hero Section */
.hero {
  position: relative;
  height: 90vh;
  min-height: 650px;
  display: flex;
  align-items: center;
  padding: 0 5%;
  /* Бизнес-фон: конференц-зал / переговоры */
  background: linear-gradient(rgba(17, 24, 39, 0.8), rgba(6, 78, 59, 0.85)), 
              url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
}

.hero-content {
  max-width: 800px;
  color: var(--white);
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
  color: #FDE68A;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 20px;
  font-weight: 300;
  color: #E5E7EB;
  margin-bottom: 40px;
  max-width: 600px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 4px;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background: #B45309;
  transform: translateY(-2px);
}

/* Sections Base */
section {
  padding: 100px 5%;
}

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

.section-header h2 {
  font-size: 36px;
  margin-bottom: 16px;
  color: var(--primary);
}

.section-header p {
  color: var(--gray);
  font-size: 18px;
}

/* Services */
.services {
  background-color: var(--white);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: var(--white);
  padding: 48px 32px;
  border-radius: 8px;
  border: 1px solid #E5E7EB;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--primary-light);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-color: transparent;
  border-top-color: var(--accent);
}

.service-card i {
  font-size: 40px;
  color: var(--primary-light);
  margin-bottom: 24px;
}

.service-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray);
  font-size: 15px;
}

/* Why Choose Us */
.why-us {
  background-color: var(--light-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.feature-item i {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 16px;
  background: var(--white);
  padding: 16px;
  border-radius: 50%;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.feature-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}

.feature-item p {
  color: var(--gray);
  font-size: 15px;
}

/* How It Works */
.process {
  background-color: var(--white);
}

.process-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  gap: 32px;
}

.step {
  flex: 1;
  min-width: 250px;
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.step h4 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--primary);
}

.step p {
  color: var(--gray);
  font-size: 15px;
}

/* About */
.about {
  background-color: var(--light-bg);
}

.about-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about h2 {
  font-size: 36px;
  margin-bottom: 24px;
  color: var(--primary);
}

.about p {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 32px;
  line-height: 1.8;
}

/* D-U-N-S Box */
.duns-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  color: var(--dark);
  font-size: 14px;
  margin-top: 24px;
}

.duns-box i {
  color: var(--accent);
  font-size: 20px;
}

/* FAQ */
.faq {
  background-color: var(--white);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.faq-item {
  border-bottom: 1px solid #E5E7EB;
  padding-bottom: 24px;
}

.faq-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--dark);
}

.faq-item p {
  color: var(--gray);
  font-size: 16px;
}

/* Contact */
.contact {
  background-color: var(--primary);
  color: var(--white);
  text-align: center;
}

.contact h2 {
  font-size: 36px;
  margin-bottom: 12px;
  color: var(--white);
}

.contact-sub {
  color: #A7F3D0;
  margin-bottom: 48px;
  font-size: 18px;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 64px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.contact-item i {
  font-size: 32px;
  color: #FDE68A;
}

.contact-item p {
  font-size: 16px;
}

.contact-item a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: border-color 0.3s;
}

.contact-item a:hover {
  border-bottom-color: var(--white);
}

/* Footer */
footer {
  background: #0F172A;
  color: #9CA3AF;
  padding: 60px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-left .logo {
  color: var(--white);
  margin-bottom: 12px;
}

.footer-left p {
  font-size: 14px;
}

.footer-right {
  display: flex;
  gap: 24px;
}

.footer-right a {
  color: #9CA3AF;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }
  .hero {
    padding-top: 120px;
    padding-bottom: 80px;
    height: auto;
  }
  .contact-info {
    flex-direction: column;
    gap: 32px;
  }
  footer {
    flex-direction: column;
    text-align: center;
  }
  .footer-right {
    justify-content: center;
  }
}