@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Space+Grotesk:wght@400;500;600&display=swap");

:root {
  --bg: #f6f1ea;
  --bg-accent: #e8f0ee;
  --surface: #ffffff;
  --ink: #1b1b1b;
  --muted: #5a5f66;
  --accent: #0f766e;
  --accent-strong: #0a4f4a;
  --border: #e1d8cf;
  --shadow: 0 20px 60px rgba(16, 24, 40, 0.15);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1214;
    --bg-accent: #0e1c1a;
    --surface: #12181b;
    --ink: #f4f6f8;
    --muted: #b2bac2;
    --accent: #5eead4;
    --accent-strong: #2dd4bf;
    --border: #223036;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  }

  html {
    color-scheme: dark;
  }
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(1.02rem, 0.96rem + 0.35vw, 1.2rem);
  line-height: 1.7;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at -10% -20%, #fff8ef 0%, transparent 60%),
    radial-gradient(900px 700px at 110% 10%, var(--bg-accent) 0%, transparent 55%),
    var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--accent-strong);
  border-bottom-color: var(--accent-strong);
}

img,
svg,
video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

/* Org mode wrapper */
#content {
  max-width: 72rem;
  margin: 4rem auto;
  padding: 3.5rem 4rem;
  background: var(--surface);
  border-radius: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.title {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(2.2rem, 1.6rem + 2.5vw, 3.6rem);
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  text-align: left;
}

h2 {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem);
  margin: 2.75rem 0 1rem;
  letter-spacing: -0.01em;
}

h3,
h4 {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

p {
  margin: 0 0 1.25rem;
}

ul,
ol {
  padding-left: 1.3rem;
  margin: 0 0 1.5rem;
}

li {
  margin: 0.35rem 0;
}

blockquote {
  margin: 2rem 0;
  padding: 1.4rem 1.8rem;
  background: #f4fbf9;
  border-left: 4px solid var(--accent);
  border-radius: 14px;
  color: var(--muted);
}

blockquote p {
  margin: 0 0 0.9rem;
}

blockquote p:last-child {
  margin-bottom: 0;
}

pre,
code {
  font-family: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.95em;
}

pre {
  background: #f2f4f7;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  border: 1px solid #e4e7ec;
}

hr {
  border: 0;
  height: 1px;
  background: color-mix(in srgb, var(--border) 70%, transparent);
  margin: 2.5rem 0;
}

.outline-2 {
  padding-top: 0.25rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.outline-2:first-of-type {
  border-top: 0;
}

.figure {
  margin: 2.25rem 0;
}

.figure > p {
  margin: 0;
}

.figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.figure p:last-child {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
}

#postamble,
#preamble {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  body {
    background:
      radial-gradient(1200px 600px at -10% -20%, rgba(94, 234, 212, 0.12) 0%, transparent 60%),
      radial-gradient(900px 700px at 110% 10%, rgba(15, 118, 110, 0.18) 0%, transparent 55%),
      var(--bg);
  }

  img,
  svg,
  video {
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45);
  }

  blockquote {
    background: rgba(16, 185, 129, 0.08);
  }

  pre {
    background: #0f1417;
    border-color: #1f2a30;
  }
}

@media (max-width: 900px) {
  #content {
    margin: 2.5rem 1.5rem;
    padding: 2.5rem 2.2rem;
  }
}

@media (max-width: 640px) {
  #content {
    margin: 1.5rem 1rem;
    padding: 1.75rem 1.4rem;
    border-radius: 20px;
  }

  .title {
    text-align: left;
  }

  img,
  svg,
  video {
    border-radius: 12px;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.15);
  }
}