/* 반칙 장기 (Rulebreak Janggi) — 앱 아이콘(MCG_ios1024.png) 팔레트 4색만:
   먹 #171210 · 상아 #F4E6CC · 옥 #137A5E · 주홍 #FF5A36.
   모티프 = 아이콘의 팔각 장기알(상아 판·옥 한자)과 판을 가르는 주홍 균열(먹 테두리)·파편 삼각형.
   구조는 products/wareureu 카드형 컴포넌트, 값만 교체. 앱이 다크 테마라 고정 다크. */

@font-face {
  font-family: "East Sea Dokdo";
  src: url("./fonts/EastSeaDokdo-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Pixelify Sans";
  src: url("./fonts/PixelifySans-subset.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --muk: #171210;        /* 먹 — 아이콘 바탕 */
  --sang: #f4e6cc;       /* 상아 — 장기알 판. 먹 위 15.07:1 */
  --jade: #137a5e;       /* 옥 — 卒 글자. 상아 위 4.29:1(큰 글자·도형만), 먹 위 3.51:1(도형만) */
  --ju: #ff5a36;         /* 주홍 — 균열. 먹 위 5.99:1, 상아 위 2.52:1(글자 금지) */
  --bg: #171210;
  --ink: #f4e6cc;
  --muted: #b2a694;      /* 상아 70% + 먹 — bg 7.76:1, surface 6.82:1 */
  --accent: #ff5a36;
  --accent-strong: #f4e6cc;
  --jade-text: #6da58a;  /* 옥 60% + 상아 — bg 6.55:1, surface 5.75:1 */
  --surface: #241f1b;    /* 상아 6% + 먹 */
  --surface-soft: #2d2723; /* 상아 10% + 먹 */
  --line: #484139;       /* 상아 22% + 먹 — 장식 테두리 */
  --rule: rgb(244 230 204 / 14%);
  --on-sang-muted: #4e473f; /* 먹 75% + 상아 — 상아 위 7.42:1 */
  --shadow: 6px 6px 0 var(--ju);
  --shadow-sm: 3px 3px 0 var(--muk);
  --cut: 26px;
  --display: "East Sea Dokdo", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --pixel: "Pixelify Sans", ui-monospace, "SF Mono", Menlo, monospace;
  --body: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* East Sea Dokdo 는 한 굵기뿐 — 400 고정(가짜 볼드 금지). 큰 제목에만 쓴다. */
h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0;
}

h3 {
  font-family: var(--body);
  font-weight: 800;
}

a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.site-header {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
}

main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

/* 히어로 — 상아 장기알 판(팔각으로 깎은 모서리) + 주홍 오프셋 그림자 */
.hero-wrap {
  position: relative;
  margin: 12px 6px 14px 0;
}

.hero-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(6px, 6px);
  background: var(--ju);
  clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut));
}

.hero {
  position: relative;
  padding: 48px 44px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 36px;
  align-items: center;
  background: var(--sang);
  color: var(--muk);
  clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut));
}

.hero a {
  color: var(--muk);
}

.hero h1 {
  font-size: clamp(60px, 10vw, 104px);
  line-height: 0.95;
  margin: 0 0 18px;
}

.hero h1 .crack {
  color: var(--muk);
  background: linear-gradient(transparent 62%, var(--ju) 62%, var(--ju) 88%, transparent 88%);
  padding: 0 4px;
}

.hero p.lead {
  font-size: clamp(16px, 2.2vw, 18px);
  max-width: 540px;
  margin: 0 0 24px;
}

.wordmark {
  display: block;
  font-family: var(--pixel);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--on-sang-muted);
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--muk);
  color: var(--sang);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}

.badge::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--ju);
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  font-size: 15px;
  border: 2px solid var(--muk);
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--muk);
}

.hero .btn-primary,
.btn-primary {
  background: var(--ju);
  color: var(--muk);
}

.hero .btn-ghost,
.btn-ghost {
  background: var(--sang);
  color: var(--muk);
}

.store-note {
  font-size: 13.5px;
  color: var(--on-sang-muted);
  margin: 16px 0 0;
}

.hero-art {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hero-icon {
  width: min(260px, 70%);
  height: auto;
  display: block;
  filter: drop-shadow(6px 6px 0 var(--ju));
}

.hero-art .tile-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

/* 반칙 카드 이름표 — 앱의 카드 손패를 흉내 내지 않고 이름만 */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--muk);
  color: var(--sang);
  border-radius: 8px;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 700;
}

.chip::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ju);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

section {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
}

.hero-wrap + section {
  border-top: 0;
}

section h2 {
  font-size: clamp(40px, 6vw, 58px);
  line-height: 1.05;
  margin: 0 0 12px;
}

section > p.section-lead {
  color: var(--muted);
  max-width: 660px;
  margin: 0 0 30px;
}

/* 영문 눈썹 — 앱 HUD 의 Pixelify Sans(STAGE · 1 / TURN)와 같은 서체, 파편 삼각형 머리 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-family: var(--pixel);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 8px;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--ju);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* 한 턴의 흐름 */
.loop {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.loop-step {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.step-no {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--sang);
  color: var(--muk);
  font-family: var(--pixel);
  font-weight: 700;
  font-size: 18px;
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
  margin-bottom: 12px;
}

.loop-step h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.loop-step p {
  color: var(--muted);
  font-size: 14.5px;
  margin: 0;
}

/* 반칙 카드 예시 — 규칙 도식(인라인 SVG) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-top: 8px solid var(--ju);
  border-radius: 18px;
  padding: 22px;
}

.feature-card.is-jade {
  border-top-color: var(--jade);
}

.feature-card h3 {
  font-size: 19px;
  margin: 0 0 4px;
}

.feature-card .tag {
  display: block;
  color: var(--jade-text);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--muted);
  font-size: 14.5px;
  margin: 0;
}

.diagram {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  margin: 4px auto 16px;
}

.art-note {
  color: var(--muted);
  font-size: 12.5px;
  margin: 18px 0 0;
}

/* 한 판의 길 — 국면 8칸 + 장군전 */
.run-track {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 6px;
}

.run-track li {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: var(--surface);
  border: 2px solid var(--line);
  color: var(--ink);
  font-family: var(--pixel);
  font-weight: 700;
  font-size: clamp(13px, 2.4vw, 20px);
  clip-path: polygon(28% 0, 72% 0, 100% 28%, 100% 72%, 72% 100%, 28% 100%, 0 72%, 0 28%);
}

.run-track li.t2 {
  background: var(--surface-soft);
}

.run-track li.t3 {
  background: var(--line);
}

.run-track li.boss {
  background: var(--ju);
  color: var(--muk);
  border-color: var(--ju);
}

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.principle {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.principle strong {
  display: block;
  margin-bottom: 4px;
}

.principle span {
  color: var(--muted);
  font-size: 14px;
}

.principle a {
  color: var(--ink);
}

.faq-list details {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
}

.faq-list details[open] {
  border-color: var(--muted);
  box-shadow: 4px 4px 0 var(--ju);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15.5px;
}

.faq-list p {
  color: var(--ink);
  margin: 10px 0 0;
  font-size: 14.5px;
}

.contact-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  max-width: 520px;
}

.contact-card a {
  font-size: 18px;
  font-weight: 700;
}

.support-form {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  display: grid;
  gap: 16px;
  max-width: 520px;
}

.support-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
}

.support-form select,
.support-form input,
.support-form textarea {
  background: var(--bg);
  border: 2px solid var(--muted);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 400;
  font-family: inherit;
}

.support-form button {
  justify-self: start;
  background: var(--ju);
  color: var(--muk);
  border: 2px solid var(--muk);
  border-radius: 12px;
  box-shadow: 3px 3px 0 var(--sang);
  padding: 11px 24px;
  font-weight: 800;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
}

.support-form button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--sang);
}

.support-form button:disabled {
  opacity: 0.6;
  cursor: default;
}

#form-status {
  font-size: 13.5px;
  color: var(--muted);
  min-height: 1.2em;
  margin: 0;
}

.form-note {
  color: var(--muted);
  font-size: 14px;
  max-width: 640px;
}

footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  border-top: 1px solid var(--rule);
  padding: 28px 0 44px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

footer a {
  color: var(--muted);
}

/* Breadcrumb — 화면 표시와 BreadcrumbList 스키마를 1:1로 맞춘다. */
.breadcrumb {
  font-size: 13px;
  line-height: 1.5;
}

.breadcrumb ol {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 4px 0 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
}

.breadcrumb a {
  color: inherit;
}

.page-title {
  font-size: clamp(52px, 8vw, 72px);
  line-height: 1;
  margin: 0 0 6px;
}

.page-title + h2 {
  margin-top: 28px;
}

/* 방침 본문 — 긴 글이라 읽기 폭을 좁힌다. */
.policy {
  max-width: 780px;
  padding: 28px 0 48px;
}

.policy .meta-date {
  color: var(--muted);
  font-size: 13.5px;
  margin: 0 0 28px;
}

.policy h2 {
  font-family: var(--body);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.4;
  margin: 32px 0 8px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

.policy ol,
.policy ul {
  padding-left: 1.4em;
}

.policy li + li {
  margin-top: 6px;
}

.policy table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 2px solid var(--line);
  font-size: 14px;
  margin: 12px 0;
  display: block;
  overflow-x: auto;
}

.policy th,
.policy td {
  border: 1px solid var(--line);
  padding: 9px 11px;
  text-align: left;
  vertical-align: top;
}

.policy th {
  background: var(--surface-soft);
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 36px 24px 40px;
    gap: 28px;
  }

  .loop {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --cut: 18px;
  }

  .run-track {
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}