@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,500..700,100&family=Manrope:wght@400;500;600;700&display=swap");

:root {
  --green: #00875A; --green-deep: #005C3D; --green-tint: #DCF2E7; --mint: #7CF0BE;
  --ink: #0E1A1D; --ink2: #3B4A50; --muted: #5A6970; --line: #D3DAD8;
  --ground: #F1F3F2; --surface: #FFFFFF; --th: #F1F3F2;
  --purple-tint: #ECE4FF; --purple-text: #4A1FB0; --red-tint: #FDE2E5; --red-text: #A8162B;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --green-deep: #4CC995; --green-tint: #10372A;
    --ink: #E8EEEC; --ink2: #B4C0BD; --muted: #8C9A97; --line: #26312F;
    --ground: #0B1315; --surface: #141E21; --th: #1B2629;
    --purple-tint: #2A2150; --purple-text: #B7A0FF; --red-tint: #41161E; --red-text: #FF8F9D;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--ground); color: var(--ink2); font: 400 16px/1.7 Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--green-deep); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.site-header .inner { max-width: 880px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand span { font: 600 22px/1 Fraunces, Georgia, serif; font-variation-settings: "SOFT" 100, "opsz" 40; color: var(--ink); letter-spacing: -0.3px; }
nav { display: flex; gap: 6px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--ink2); font-weight: 600; font-size: 14px; padding: 7px 12px; border-radius: 8px; }
nav a:hover { background: var(--ground); }
nav a[aria-current="page"] { background: var(--green-tint); color: var(--green-deep); }

main { max-width: 880px; margin: 0 auto; padding: 40px 20px 64px; }
.doc { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 44px 48px; }
@media (max-width: 640px) { .doc { padding: 26px 20px; border-radius: 14px; } main { padding: 20px 16px 48px; } body { font-size: 15.5px; } }

.doc h1 { font: 600 clamp(32px, 5vw, 44px)/1.1 Fraunces, Georgia, serif; font-variation-settings: "SOFT" 100, "opsz" 72; color: var(--ink); margin: 0 0 10px; letter-spacing: -0.5px; }
.meta { display: flex; gap: 8px 22px; flex-wrap: wrap; font-size: 14px; color: var(--muted); margin: 0 0 28px; padding-bottom: 22px; border-bottom: 2px solid var(--green); }
.meta b { color: var(--ink); font-weight: 600; }

h2 { font: 700 21px/1.3 Manrope, sans-serif; color: var(--ink); margin: 40px 0 10px; }
h2 .n { color: var(--green); margin-right: 8px; }
h3 { font: 600 17px/1.4 Manrope, sans-serif; color: var(--ink); margin: 26px 0 6px; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 6px; }
li::marker { color: var(--green); }
strong { color: var(--ink); font-weight: 600; }

.summary { background: var(--green-tint); border-radius: 14px; padding: 20px 22px; margin: 0 0 26px; }
.summary h3 { margin-top: 0; color: var(--green-deep); }
.summary ul { margin-bottom: 0; }
.callout { border-radius: 14px; padding: 16px 18px; margin: 14px 0 20px; }
.callout.purple { background: var(--purple-tint); color: var(--purple-text); }
.callout.red { background: var(--red-tint); color: var(--red-text); }
.callout strong, .callout a { color: inherit; }

.table-wrap { overflow-x: auto; margin: 10px 0 20px; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 14.5px; line-height: 1.55; }
th { text-align: left; font-weight: 700; color: var(--ink); background: var(--th); padding: 10px 12px; border-bottom: 1px solid var(--line); }
td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; color: var(--ink); width: 24%; }

.toc { columns: 2; column-gap: 32px; padding-left: 22px; font-size: 15px; }
.toc li { break-inside: avoid; margin-bottom: 4px; }
.toc a { text-decoration: none; color: var(--ink2); }
.toc a:hover { color: var(--green-deep); text-decoration: underline; }
@media (max-width: 560px) { .toc { columns: 1; } }

.site-footer { max-width: 880px; margin: 0 auto; padding: 0 20px 40px; font-size: 13.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

.hero { text-align: center; padding: 40px 0 8px; }
.hero svg { width: 96px; height: 96px; }
.hero h1 { font: 600 48px/1.05 Fraunces, Georgia, serif; font-variation-settings: "SOFT" 100, "opsz" 72; color: var(--ink); margin: 14px 0 6px; }
.hero p { color: var(--muted); margin: 0 0 32px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; text-decoration: none; color: var(--ink2); }
.card:hover { border-color: var(--green); }
.card strong { display: block; font-size: 18px; margin-bottom: 4px; }