:root {
  --bg: rgb(255, 255, 255);
  --text: rgb(110, 113, 116);
  --accent: rgb(180, 207, 176);
  --soft: rgb(244, 235, 215);
  --line: rgb(150, 150, 150);
  --fs-body: 18px;
  --fs-small: 15px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: var(--fs-body);
}

.site-main {
  background: linear-gradient(90deg, rgb(255, 255, 255) 0%, rgb(182, 206, 178) 100%);
  padding: 52px 0 64px;
  min-height: 58vh;
}

.wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  padding-top: 12px;
  background: #fff;
}

.header-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 0 12px;
}

.logo-link {
  text-align: center;
  display: block;
  text-decoration: none;
}

.logo-wordmark {
  color: var(--text);
  font-size: clamp(28px, 2.4vw, 44px);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: lowercase;
}

.main-nav-frame {
  width: 100%;
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.main-nav > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  text-decoration: none;
  color: var(--text);
  text-transform: lowercase;
  font-size: 17px;
  letter-spacing: 0.01em;
  font-weight: 500;
  padding: 8px 2px;
  transition: color 0.2s ease;
  display: block;
}

.main-nav li.active > a,
.main-nav a:hover {
  color: var(--accent);
}

.main-nav li ul {
  list-style: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
  padding: 10px 12px;
  display: none;
  z-index: 90;
}

.main-nav li:hover > ul,
.main-nav li:focus-within > ul {
  display: block;
}

.main-nav li ul a {
  font-size: var(--fs-small);
  padding: 6px 0;
}

.page {
  padding: 10px 0 0;
}

.page-header h1,
.page-content h1 {
  margin: 12px 0 24px;
  font-size: clamp(42px, 3.2vw, 62px);
  line-height: 1.15;
  text-transform: lowercase;
  font-weight: 400;
}

.page-content h2 {
  font-size: clamp(30px, 2.1vw, 42px);
  line-height: 1.2;
  margin: 0 0 18px;
  font-weight: 400;
}

.page-content h3 {
  font-size: clamp(22px, 1.7vw, 30px);
  line-height: 1.2;
  margin: 28px 0 12px;
  font-weight: 400;
}

.page-content p,
.page-content li {
  font-size: var(--fs-body);
}

.page-content p {
  margin: 0 0 18px;
}

.page-content ul,
.page-content ol {
  margin: 0 0 24px;
  padding-left: 24px;
}

.page-content li {
  margin-bottom: 10px;
}

.page-content img {
  width: 100%;
  height: auto;
  display: block;
  margin: 24px 0;
}

.page-content a {
  color: var(--text);
}

.page-content code {
  background: var(--soft);
  border: 1px solid rgba(150, 150, 150, 0.25);
  padding: 0.06rem 0.32rem;
  border-radius: 0;
  font-family: "Courier New", Courier, monospace;
}

.page-content pre {
  background: #fff;
  border: 1px solid rgba(150, 150, 150, 0.45);
  padding: 14px;
  overflow: auto;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  background: #fff;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  color: #222;
  text-transform: lowercase;
}

.footer-meta {
  font-size: var(--fs-small);
}

@media (max-width: 900px) {
  .main-nav li ul {
    position: static;
    display: block;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: 0 0 0 14px;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(1040px, calc(100% - 28px));
  }

  .logo-wordmark {
    font-size: clamp(24px, 8vw, 34px);
  }

  .main-nav > ul {
    gap: 18px;
    padding: 6px 0;
  }

  .main-nav a {
    font-size: 15px;
  }

  .main-nav-frame {
    min-height: 44px;
  }

  .page-content p,
  .page-content li {
    font-size: 16px;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-brand {
    font-size: 16px;
  }
}