* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2a37;
  background: #ffffff;
}

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid #e5e7eb;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.logo img {
  height: 92px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: #163d7a;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.nav a:hover {
  color: #f0a62b;
}

.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9, 35, 74, 0.72) 0%, rgba(9, 35, 74, 0.48) 38%, rgba(9, 35, 74, 0.12) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-text {
  max-width: 560px;
  color: #ffffff;
  padding: 80px 0 80px 28px;
}

.hero-text h1 {
  margin: 0 0 18px;
  font-size: 54px;
  line-height: 1.05;
  font-weight: 800;
}

.hero-text p {
  margin: 0 0 28px;
  font-size: 22px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.92);
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  background: #f0a62b;
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn:hover {
  background: #db931b;
  transform: translateY(-1px);
}

.section {
  padding: 82px 0;
}

.section.light {
  background: #f5f8fc;
}

.section h2 {
  margin: 0 0 18px;
  font-size: 36px;
  color: #163d7a;
}

.section-text {
  max-width: 860px;
  margin: 0;
  font-size: 18px;
  line-height: 1.7;
  color: #4b5563;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.card h3 {
  margin: 0 0 14px;
  font-size: 22px;
  color: #163d7a;
}

.card p {
  margin: 0;
  color: #4b5563;
  line-height: 1.7;
  font-size: 16px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.tags span {
  display: inline-flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: 999px;
  background: #eef4ff;
  border: 1px solid #d7e4ff;
  color: #163d7a;
  font-weight: 600;
  font-size: 15px;
}

.contact-box {
  margin-top: 26px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.contact-box p {
  margin: 0 0 12px;
  font-size: 17px;
  color: #374151;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

.footer {
  padding: 26px 0;
  background: #163d7a;
}

.footer p {
  margin: 0;
  color: #ffffff;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 980px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .hero {
    min-height: 540px;
  }

  .hero-text h1 {
    font-size: 42px;
  }

  .hero-text p {
    font-size: 19px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    min-height: 500px;
  }

  .hero-text {
    padding: 56px 16px 56px 16px;
  }

  .hero-text h1 {
    font-size: 34px;
  }

  .hero-text p {
    font-size: 17px;
  }

  .section {
    padding: 64px 0;
  }

  .section h2 {
    font-size: 30px;
  }

  .logo img {
    height: 68px;
  }
}