/* der-sonntagsbrief.de — Design System */

:root {
  --bg: #fafaf7;
  --bg-soft: #f3f2ec;
  --ink: #1a1a1a;
  --ink-soft: #4a4a48;
  --ink-mute: #7a7a76;
  --line: #e5e3da;
  --accent: #e8b13a;
  --accent-dark: #c89222;
  --accent-soft: #fff5dc;
  --max: 680px;
  --max-wide: 920px;
  --serif: "Iowan Old Style", "Source Serif 4", Charter, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", Consolas, Menlo, monospace;
  --radius: 4px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

html { font-size: 17px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-dark); }

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: 2.4rem; line-height: 1.15; }
h2 { font-size: 1.7rem; margin-top: 2.4rem; }
h3 { font-size: 1.25rem; margin-top: 1.8rem; }

p { margin: 0 0 1.1em; }
p.lead { font-size: 1.15rem; color: var(--ink-soft); }

ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; }
li { margin-bottom: 0.4em; }

hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

small, .small { font-size: 0.88rem; color: var(--ink-mute); }

/* Layout */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.4rem; }
.wrap-wide { max-width: var(--max-wide); margin: 0 auto; padding: 0 1.4rem; }

header.site {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
header.site .wrap-wide {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand-mark { color: var(--accent-dark); }
nav.site a {
  text-decoration: none;
  margin-left: 1.4rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
nav.site a:hover { color: var(--ink); }
@media (max-width: 540px) {
  nav.site a { margin-left: 0; margin-right: 1rem; }
}

main { padding: 3.5rem 0 4rem; }

/* Hero */
.hero { padding: 1rem 0 2rem; }
.hero h1 { font-size: 2.6rem; }
.hero .kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 1rem;
}
.hero p.lead { font-size: 1.2rem; }

/* Optin-Box */
.optin {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  margin: 2.5rem 0;
}
.optin h3 {
  margin-top: 0;
  font-size: 1.4rem;
}
.optin form {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}
.optin input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ink-soft);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 1rem;
  background: #fff;
}
.optin input[type="email"]:focus {
  outline: 2px solid var(--accent-dark);
  outline-offset: 1px;
  border-color: var(--accent-dark);
}
.optin button {
  padding: 0.85rem 1.6rem;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.01em;
}
.optin button:hover { background: var(--accent-dark); color: var(--ink); }
.optin .privacy {
  margin-top: 0.9rem;
  margin-bottom: 0;
  font-size: 0.85rem;
  color: var(--ink-mute);
}

/* Card / Box */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  margin: 1.5rem 0;
}
.card h3 { margin-top: 0; }

.boxlist {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}
.boxlist li {
  padding: 1rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.6rem;
}
.boxlist strong { display: block; margin-bottom: 0.2em; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  background: var(--ink);
  color: var(--bg) !important;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
}
.btn:hover { background: var(--accent-dark); color: var(--ink) !important; }
.btn-ghost {
  background: transparent;
  color: var(--ink) !important;
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg) !important; }

/* Quote / Pullquote */
blockquote {
  margin: 2rem 0;
  padding: 0.4rem 0 0.4rem 1.4rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 2.2rem 0;
  margin-top: 5rem;
  font-size: 0.92rem;
  color: var(--ink-mute);
}
footer.site .wrap-wide {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
footer.site nav a {
  margin-right: 1.2rem;
  color: var(--ink-mute);
  text-decoration: none;
}
footer.site nav a:hover { color: var(--ink); }
footer.site .signature { font-family: var(--serif); font-style: italic; }

/* Utility */
.center { text-align: center; }
.muted { color: var(--ink-mute); }
.mt-0 { margin-top: 0; }
.mt-3 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.divider { border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* Legal pages — denser type */
.legal h1 { font-size: 1.8rem; }
.legal h2 { font-size: 1.2rem; margin-top: 2.2rem; }
.legal { font-size: 0.95rem; }
.legal address { font-style: normal; line-height: 1.5; margin-bottom: 1em; }

/* Responsive tweaks */
@media (max-width: 640px) {
  html { font-size: 16px; }
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.1rem; }
  .optin { padding: 1.5rem 1.3rem; }
  main { padding: 2.2rem 0 3rem; }
}