:root {
  --bg: #ffffff;
  --bg-dark: #212121;
  --text: #222222;
  --text-muted: #777;
  --accent: #1f6f43;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Literata', serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 14px;
}

.container.narrow {
  max-width: 760px;
}

.header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #ddd;
  z-index: 10;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 68px;
}

.logo {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.nav a {
  margin-left: 28px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.hero {
  position: relative;
  padding: 140px 0 120px;
  text-align: center;
  color: #ffffff;

  background-image: url("/images/parthenon.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 54px;
  line-height: 1.15;
  margin-bottom: 28px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}

.hero .subtitle {
  font-size: 26px;
  color: #e5e5e5;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}


.subtitle {
  font-size: 28px;
  color: var(--text-muted);
}

.section {
  padding: 48px 0;
}

.section-dark {
  background: var(--bg-dark);
  color: #f1f1f1;
}

.section-dark h2,
.section-dark h3 {
  color: #ffffff;
}

.section-dark .note {
  color: #bbb;
}

h2 {
  font-size: 38px;
  margin-bottom: 36px;
}

h3 {
  margin-top: 48px;
}

.lead {
  font-size: 22px;
}

blockquote {
  margin: 0 0 56px;
  padding-left: 28px;
  border-left: 4px solid var(--accent);
  font-style: italic;
}

blockquote cite {
  display: block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--accent);
}

.list {
  padding-left: 20px;
}

.list li {
  margin-bottom: 14px;
}

.note {
  font-size: 14px;
  margin-top: 32px;
}

.accent {
  color: var(--accent);
}

.footer {
  padding: 64px 0;
  background: #111;
  color: #eee;
  text-align: center;
}

.footer span {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: #aaa;
}