/* ============================================================
   Pax Culturama — 문화와 사랑의 평화
   Shared stylesheet
   Design language: parchment ground · deep ink · sunrise gold
   "선한 태양" — a benevolent, luminous, dignified manifesto
   ============================================================ */

:root {
  --ink:        #1c1a17;   /* deep ink text            */
  --ink-soft:   #46413a;   /* secondary text           */
  --paper:      #f6f1e7;   /* parchment ground         */
  --paper-2:    #efe8da;   /* raised parchment         */
  --line:       #ddd2bd;   /* hairline                 */
  --gold:       #b8893b;   /* sunrise gold accent      */
  --gold-deep:  #8a5d22;   /* deep gold                */
  --sun:        #e8b84b;   /* the benevolent sun       */
  --crimson:    #8c2f2a;   /* the incumbent order      */
  --serif-ko: "Nanum Myeongjo", "Noto Serif KR", serif;
  --sans-ko:  "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  --serif-la: "Cormorant Garamond", Georgia, serif;
  --maxw: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-ko);
  font-size: 19px;
  line-height: 1.95;
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle paper grain via layered radial light (the sun, top) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 520px at 50% -8%, rgba(232,184,75,0.18), rgba(232,184,75,0) 70%);
  z-index: 0;
}

.wrap { position: relative; z-index: 1; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(18px, 5vw, 40px);
  background: rgba(246,241,231,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar a { text-decoration: none; color: var(--ink); }
.brand {
  font-family: var(--serif-la);
  font-size: 21px; font-weight: 600; letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 10px;
}
.brand .dot {
  width: 13px; height: 13px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe39a, var(--sun) 55%, var(--gold-deep));
  box-shadow: 0 0 14px rgba(232,184,75,0.7);
}
.topbar nav { display: flex; gap: clamp(14px, 3vw, 28px); font-family: var(--sans-ko); font-size: 14px; }
.topbar nav a { color: var(--ink-soft); }
.topbar nav a:hover { color: var(--gold-deep); }

/* ---------- hero / cover ---------- */
.cover {
  min-height: 86vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 8vh clamp(20px, 6vw, 48px) 10vh;
}
.sun-emblem {
  width: 132px; height: 132px; border-radius: 50%;
  margin-bottom: 38px;
  background: radial-gradient(circle at 38% 34%, #fff2c8, var(--sun) 46%, var(--gold) 78%, var(--gold-deep));
  box-shadow: 0 0 0 1px rgba(138,93,34,0.25), 0 0 64px rgba(232,184,75,0.55), inset -8px -10px 26px rgba(138,93,34,0.35);
  position: relative;
}
.sun-emblem::after {
  /* faint ray ring */
  content: ""; position: absolute; inset: -26px; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(232,184,75,0.0) 0 6deg, rgba(232,184,75,0.16) 6deg 7deg, rgba(232,184,75,0) 7deg 18deg);
}
.cover h1 {
  font-family: var(--serif-la);
  font-weight: 600;
  font-size: clamp(48px, 11vw, 104px);
  line-height: 1.0;
  letter-spacing: 0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}
.cover .ko-title {
  font-family: var(--serif-ko);
  font-size: clamp(18px, 4.5vw, 27px);
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  margin-bottom: 30px;
}
.cover .tagline {
  max-width: 560px;
  font-size: clamp(17px, 3.4vw, 21px);
  color: var(--ink-soft);
  line-height: 1.85;
}
.cover .scroll-cue {
  margin-top: 56px; font-family: var(--sans-ko); font-size: 12.5px; letter-spacing: 0.3em;
  color: var(--gold-deep); text-transform: uppercase;
}

/* ---------- reading column ---------- */
main { padding: 0 clamp(20px, 6vw, 40px); }
.col { max-width: var(--maxw); margin: 0 auto; }

.kicker {
  font-family: var(--sans-ko);
  font-size: 13px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--gold-deep); margin-bottom: 14px;
}

section.chapter { padding: clamp(56px, 11vw, 110px) 0; border-top: 1px solid var(--line); }
section.chapter:first-of-type { border-top: none; }

h2.chapter-title {
  font-family: var(--serif-ko); font-weight: 700;
  font-size: clamp(28px, 6.4vw, 44px); line-height: 1.3;
  margin: 0 0 8px; letter-spacing: -0.01em;
}
h2.chapter-title .sub { display:block; font-size: 0.52em; font-weight: 400; color: var(--ink-soft); letter-spacing: 0.04em; margin-top: 14px; }

h3 {
  font-family: var(--serif-ko); font-weight: 700;
  font-size: clamp(20px, 4.6vw, 27px); line-height: 1.45;
  margin: 2.4em 0 0.7em;
}
h3 .num {
  font-family: var(--serif-la); color: var(--gold); font-weight: 600;
  margin-right: 0.5em;
}

p { margin: 0 0 1.35em; }
.lead { font-size: 1.08em; color: var(--ink); }

strong, b { color: var(--gold-deep); font-weight: 700; }

ul.refined { list-style: none; padding: 0; margin: 1.4em 0; }
ul.refined > li {
  position: relative; padding: 0 0 0 1.6em; margin: 0 0 1.15em;
}
ul.refined > li::before {
  content: ""; position: absolute; left: 0; top: 0.78em;
  width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--sun), var(--gold-deep));
}
ul.refined > li b { color: var(--ink); }

/* pull quote / declaration */
blockquote {
  margin: 2.2em 0; padding: 1.4em 1.6em;
  border-left: 3px solid var(--gold);
  background: var(--paper-2);
  font-size: 1.04em; color: var(--ink);
  border-radius: 0 8px 8px 0;
}
blockquote.declaration {
  text-align: center; border: none; background: transparent;
  font-size: clamp(19px, 4.4vw, 25px); line-height: 1.85; color: var(--ink);
  padding: 1em 0;
}
blockquote.declaration cite { display:block; margin-top: 1em; font-style: normal; font-family: var(--sans-ko); font-size: 14px; letter-spacing: 0.1em; color: var(--gold-deep); }

.callout {
  margin: 2em 0; padding: 1.3em 1.5em 1.35em;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(232,184,75,0.07), rgba(232,184,75,0));
  border-radius: 10px;
}
.callout .label {
  font-family: var(--sans-ko); font-size: 12.5px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--gold-deep); margin-bottom: 8px;
}
.callout p:last-child { margin-bottom: 0; }

/* two-giant comparison */
.giants { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 2em 0; }
.giant { padding: 1.3em 1.4em; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-2); }
.giant h4 { margin: 0 0 0.5em; font-family: var(--serif-ko); font-size: 1.1em; }
.giant .tag { font-family: var(--sans-ko); font-size: 12px; letter-spacing: 0.18em; color: var(--crimson); text-transform: uppercase; display:block; margin-bottom: 0.7em; }
.giant p { font-size: 0.96em; margin: 0; color: var(--ink-soft); }
@media (max-width: 620px) { .giants { grid-template-columns: 1fr; } }

/* TOC */
.toc { max-width: var(--maxw); margin: 0 auto; padding: clamp(40px,8vw,80px) 0; }
.toc a { display:flex; gap: 18px; align-items: baseline; text-decoration: none; color: var(--ink);
  padding: 20px 4px; border-bottom: 1px solid var(--line); transition: padding-left .2s ease; }
.toc a:hover { padding-left: 12px; color: var(--gold-deep); }
.toc .t-num { font-family: var(--serif-la); font-size: 1.3em; color: var(--gold); min-width: 3.4em; }
.toc .t-body .t-title { font-family: var(--serif-ko); font-weight: 700; font-size: 1.12em; }
.toc .t-body .t-desc { font-size: 0.92em; color: var(--ink-soft); margin-top: 4px; }

/* chapter footer nav */
.chap-nav { max-width: var(--maxw); margin: 0 auto; display:flex; justify-content: space-between; gap: 14px;
  padding: clamp(40px,8vw,72px) 0; border-top: 1px solid var(--line); font-family: var(--sans-ko); font-size: 14px; }
.chap-nav a { text-decoration: none; color: var(--gold-deep); display:flex; flex-direction: column; gap: 4px; max-width: 46%; }
.chap-nav a .dir { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.chap-nav a.next { text-align: right; align-items: flex-end; }
.chap-nav a:hover { color: var(--ink); }

/* footer */
footer { text-align: center; padding: 56px 20px 72px; color: var(--ink-soft);
  font-family: var(--sans-ko); font-size: 13px; letter-spacing: 0.04em; border-top: 1px solid var(--line); }
footer .mark { font-family: var(--serif-la); font-size: 16px; color: var(--gold-deep); letter-spacing: 0.08em; }
footer a { color: var(--gold-deep); text-decoration: none; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } html{scroll-behavior:auto;} }

/* ============================================================
   Executive Summary layout (bilingual KO/EN)
   ============================================================ */

/* language toggle */
.lang-toggle { display:flex; gap:0; border:1px solid var(--line); border-radius:999px; overflow:hidden; font-family:var(--sans-ko); }
.lang-toggle button {
  appearance:none; border:0; background:transparent; cursor:pointer;
  padding:7px 15px; font-size:13px; letter-spacing:.04em; color:var(--ink-soft);
}
.lang-toggle button.active { background:var(--gold); color:#fff; }

/* show/hide by language */
body.lang-ko .en { display:none; }
body.lang-en .ko { display:none; }

/* meta line under hero */
.cover .definition-line {
  max-width:640px; margin-top:26px; font-size:clamp(15px,3.2vw,18px);
  color:var(--ink-soft); line-height:1.85;
}

/* summary sections */
.exec { max-width:860px; margin:0 auto; padding:0 clamp(20px,6vw,40px); }
.es-block { padding:clamp(40px,7vw,64px) 0; border-top:1px solid var(--line); display:grid; grid-template-columns:200px 1fr; gap:clamp(20px,5vw,48px); }
.es-block:first-child { border-top:none; }
@media (max-width:720px){ .es-block{ grid-template-columns:1fr; gap:14px; } }

.es-head { position:relative; }
.es-num { font-family:var(--serif-la); font-size:30px; color:var(--gold); line-height:1; }
.es-title { font-family:var(--serif-ko); font-weight:700; font-size:clamp(21px,4.4vw,27px); margin-top:10px; line-height:1.3; }
.es-title .en-label { display:block; font-family:var(--sans-ko); font-weight:500; font-size:13px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold-deep); margin-top:6px; }
.es-body { font-size:17.5px; line-height:1.9; }
.es-body p { margin:0 0 1.1em; }
.es-body p:last-child { margin-bottom:0; }
.es-body strong { color:var(--gold-deep); }

/* effect / direction lists */
ul.es-list { list-style:none; margin:.4em 0 0; padding:0; }
ul.es-list li { position:relative; padding:0 0 0 1.5em; margin:0 0 .9em; }
ul.es-list li::before { content:""; position:absolute; left:0; top:.72em; width:7px; height:7px; border-radius:50%; background:radial-gradient(circle at 35% 35%, var(--sun), var(--gold-deep)); }
ul.es-list li b { color:var(--ink); }

/* mechanism flow chips */
.flow { display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-top:6px; }
.flow .step { padding:9px 14px; border:1px solid var(--line); border-radius:10px; background:var(--paper-2); font-size:14.5px; font-family:var(--sans-ko); }
.flow .step b { display:block; font-family:var(--serif-ko); font-size:16px; color:var(--ink); margin-bottom:2px; }
.flow .arrow { color:var(--gold); font-size:18px; }
@media (max-width:520px){ .flow{flex-direction:column;align-items:stretch;} .flow .arrow{display:none;} .flow .step{text-align:center;} }

/* contrast mini table */
.contrast { width:100%; border-collapse:collapse; margin-top:8px; font-size:15.5px; }
.contrast td, .contrast th { border-bottom:1px solid var(--line); padding:11px 10px; text-align:left; vertical-align:top; }
.contrast th { font-family:var(--sans-ko); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); font-weight:500; }
.contrast .old { color:var(--crimson); }
.contrast .new { color:var(--gold-deep); font-weight:600; }