@import url("./variables.css");

body {
  font-family: Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  width: min(92%, var(--container-width));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 70%;
  max-width: 150px;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.nav-links a.btn-primary {
  color: white;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.open span:nth-child(2) {
  opacity: 0;
}

.burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-weight: bold;
  text-decoration: none;
}

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

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

@media (max-width: 768px) {
  .navbar {
    min-height: 60px;
  }

  .logo {
    max-width: 110px;
  }

  .burger {
    display: flex;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    z-index: 150;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-links.open {
    max-height: 400px;
  }

  .nav-links a {
    padding: 14px 24px;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .nav-links a:last-child {
    border-bottom: none;
    margin: 12px 24px;
    padding: 12px 0;
    text-align: center;
    border-radius: var(--radius-md);
  }

  .section {
    padding-top: 90px;
  }
}