:root {
  --bg: #f6f6f4;
  --text: #111;
  --muted: #9a9a9a;
  --line: rgba(0,0,0,0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
}

/* NAV */
nav {
  position: fixed;
  width: 100%;
  top: 0;
  text-align: center;
  padding: 20px;
  font-size: 13px;
}

nav a {
  margin: 0 12px;
  color: var(--muted);
  text-decoration: none;
}

nav a:hover {
  color: var(--text);
}

/* HERO */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-inner {
  max-width: 480px;
}

h1 {
  font-family: 'Playfair Display', serif;
  font-size: 4em;
  margin: 0;
}

.line {
  width: 40px;
  height: 1px;
  background: var(--text);
  margin: 25px auto;
  opacity: 0.2;
}

.fade {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 1.5s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* SECTIONS */
section {
  max-width: 640px;
  margin: auto;
  padding: 140px 20px;
  border-top: 1px solid var(--line);
}

/* TEXT */
h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2em;
  margin-bottom: 30px;
}

p {
  margin-bottom: 20px;
}

/* BLOCK */
.block {
  border-left: 2px solid var(--text);
  padding-left: 15px;
  margin: 40px 0;
}

/* QUOTE */
.quote {
  text-align: center;
  color: var(--muted);
  font-style: italic;
  margin: 80px 0;
}

/* FOCUS */
.focus-mode * {
  opacity: 0.15;
}

.focus-mode .focus {
  opacity: 1;
}

/* BUTTON */
.focus-toggle {
  position: fixed;
  bottom: 25px;
  right: 25px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}