/* Su&Yu 회사 사이트. 외부 글꼴·스크립트·추적 없음. */
:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --surface-2: #efece4;
  --ink: #14202b;
  --ink-2: #33414e;
  --muted: #5a6a78;
  --line: #e0dbcf;
  --accent: #1d5c69;
  --accent-ink: #ffffff;
  --gold: #a9834a;
  --focus: #1d5c69;
  --shadow: 0 1px 2px rgba(20, 32, 43, .06), 0 8px 24px rgba(20, 32, 43, .06);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif KR", serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b131a;
    --surface: #111d26;
    --surface-2: #16252f;
    --ink: #e8eff4;
    --ink-2: #cbd8e1;
    --muted: #9db0bd;
    --line: #22343f;
    --accent: #86c3cf;
    --accent-ink: #08121a;
    --gold: #d4b27a;
    --focus: #86c3cf;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--bg); padding: 10px 14px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.wrap { width: min(1080px, 100% - 40px); margin-inline: auto; }

/* 헤더 */
.site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { font: 600 26px/1 var(--serif); color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.brand i { font-style: italic; font-weight: 500; color: var(--gold); padding: 0 .06em; }
nav { display: flex; gap: 4px; }
nav a { color: var(--ink-2); text-decoration: none; font-size: 15.5px; font-weight: 500; padding: 8px 12px; border-radius: 8px; }
nav a:hover { background: var(--surface-2); color: var(--ink); }
nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }

/* 공통 */
section { padding: 72px 0; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.18; letter-spacing: -.005em; margin: 0; color: var(--ink); }
h1 { font-size: clamp(36px, 6vw, 60px); }
h2 { font-size: clamp(26px, 3.6vw, 36px); margin-bottom: 14px; }
h3 { font-size: 21px; margin-bottom: 8px; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--ink-2); max-width: 46em; }
.sub { color: var(--muted); max-width: 44em; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1.5px solid var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { color: var(--accent); background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }

/* 홈: 히어로 */
.hero { padding: 96px 0 64px; }
.hero h1 { max-width: 14em; }
.hero .lead { margin-top: 22px; }

/* 제품 카드 */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 36px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card-art { height: 200px; position: relative; display: grid; place-items: center; }
.card-art.skyler { background: #04090d url("/assets/skyler-galaxy.webp") center / cover; }
.card-art.skyler img { width: 84px; height: 84px; }
.card-art.hompier { background: linear-gradient(135deg, #e9f1ee, #dfeaf0); }
@media (prefers-color-scheme: dark) { .card-art.hompier { background: linear-gradient(135deg, #12303a, #16232d); } }
.card-art.hompier img { width: 92px; height: 92px; }
.card-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card-body p { color: var(--ink-2); }
.card-foot { margin-top: auto; padding-top: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag { font-size: 12.5px; font-weight: 600; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); }
.tag.status { color: var(--gold); border-color: color-mix(in srgb, var(--gold) 45%, var(--line)); background: transparent; }
.more { font-weight: 600; text-decoration: none; }
.more::after { content: " →"; }

/* 접근 방식 */
.band { background: var(--surface-2); border-block: 1px solid var(--line); }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 32px; }
.trio p { color: var(--ink-2); margin: 0; }
.trio .num { font: 600 15px var(--serif); color: var(--gold); letter-spacing: .08em; margin-bottom: 10px; }

/* 연락 띠 */
.contact-band { text-align: center; }
.contact-band .lead { margin-inline: auto; }
.mail { font: 600 clamp(22px, 3.4vw, 30px) var(--serif); }

/* 제품·본문 페이지 */
.page-head { padding: 72px 0 40px; border-bottom: 1px solid var(--line); }
.page-head .lead { margin-top: 18px; }
.status-note { margin-top: 24px; padding: 14px 18px; border-left: 3px solid var(--gold); background: var(--surface-2); border-radius: 0 10px 10px 0; color: var(--ink-2); max-width: 46em; font-size: 16px; }
.prose > * { max-width: 44em; }
.prose h2 { margin-top: 2.2em; font-size: 28px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .5em; }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 14px; margin: 24px 0 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; margin: 0; }
.steps li::before { content: counter(s); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font: 600 18px var(--serif); color: var(--accent); border: 1.5px solid var(--accent); }
.facts { display: grid; grid-template-columns: 11em 1fr; border-top: 1px solid var(--line); margin: 24px 0; max-width: 44em; }
.facts dt, .facts dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: 15px; }
.notice { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; max-width: 44em; box-shadow: var(--shadow); }
.notice h3 { font-size: 19px; margin-top: 0; }
.notice ul { margin: 8px 0 0; padding-left: 1.2em; color: var(--ink-2); }
.updated { color: var(--muted); font-size: 15px; margin-bottom: 28px; }

/* 푸터 */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 36px; background: var(--surface-2); font-size: 15.5px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-id p { color: var(--muted); margin: 14px 0 0; }
.site-footer h2 { font: 600 13px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
.copy { color: var(--muted); margin: 36px 0 0; font-size: 14px; }

/* 작은 화면 */
@media (max-width: 820px) {
  section { padding: 52px 0; }
  .hero { padding: 64px 0 40px; }
  .cards, .trio { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-id { grid-column: 1 / -1; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { padding-bottom: 0; border-bottom: 0; }
  .facts dd { padding-top: 4px; }
}
@media (max-width: 460px) {
  body { font-size: 16.5px; }
  nav a { padding: 8px 9px; font-size: 15px; }
  .brand { font-size: 23px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.tight-top { padding-top: 24px; }