/* ORVYT 소개 사이트 — 정적 파일만(분석·쿠키 없음). 설계.md 24절 */
:root {
	--bg: #0d0e12;
	--bg2: #15161c;
	--card: #1a1b22;
	--line: #2a2b35;
	--fg: #ecebf2;
	--muted: #9a99a8;
	--accent: #9b8cff;
	--accent2: #6fd3c5;
	--maxw: 1080px;
	color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', 'Segoe UI', sans-serif;
	font-size: 17px;
	line-height: 1.7;
	word-break: keep-all;
	-webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* 머리 */
header.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 800; letter-spacing: 0.14em; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
nav.menu { display: flex; align-items: center; gap: 22px; font-size: 15px; }
nav.menu a { color: var(--muted); }
nav.menu a:hover { color: var(--fg); text-decoration: none; }
nav.menu .lang { border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; color: var(--fg); }

/* 첫 화면 */
.hero { position: relative; overflow: hidden; padding: 120px 0 100px; }
.hero .orbit { position: absolute; right: -300px; top: 50%; width: 720px; height: 720px; transform: translateY(-50%); opacity: 0.45; pointer-events: none; }
.hero .wrap { position: relative; }
.hero .eyebrow { color: var(--accent2); font-size: 14px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.2; margin: 14px 0 22px; letter-spacing: -0.02em; max-width: 760px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { color: var(--muted); font-size: 19px; max-width: 620px; margin: 0 0 34px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 700; font-size: 16px; border: 1px solid var(--accent); }
.btn.primary { background: var(--accent); color: #12101f; }
.btn.ghost { color: var(--fg); border-color: var(--line); }
.btn:hover { text-decoration: none; filter: brightness(1.08); }

/* 구역 */
section.block { padding: 96px 0; border-top: 1px solid var(--line); }
section.block.alt { background: var(--bg2); }
.sec-head { max-width: 680px; margin-bottom: 48px; }
.sec-head .num { color: var(--accent); font-weight: 800; font-size: 14px; letter-spacing: 0.16em; }
.sec-head h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.3; margin: 10px 0 14px; letter-spacing: -0.01em; }
.sec-head p { color: var(--muted); margin: 0; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.pillar .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); margin-bottom: 18px; }
.pillar h3 { margin: 0 0 10px; font-size: 21px; }
.pillar p { color: var(--muted); margin: 0; font-size: 16px; }

.points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 40px; margin: 0; padding: 0; list-style: none; }
.points li { padding-left: 30px; position: relative; }
.points li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--accent2); }
.points b { display: block; font-size: 18px; }
.points span { color: var(--muted); font-size: 16px; }

.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; counter-reset: step; margin: 0; padding: 0; list-style: none; }
.flow li { counter-increment: step; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px; font-size: 15px; }
.flow li::before { content: counter(step, decimal-leading-zero); display: block; color: var(--accent); font-weight: 800; font-size: 13px; margin-bottom: 6px; }
.flow li b { display: block; font-size: 16px; margin-bottom: 4px; }
.flow li span { color: var(--muted); font-size: 14px; line-height: 1.55; display: block; }
.note { color: var(--muted); font-size: 14px; margin-top: 18px; }

.contact { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 18%, var(--card)), var(--card)); border: 1px solid var(--line); border-radius: 20px; padding: 40px; }
.contact h2 { margin: 0 0 6px; font-size: 28px; }
.contact p { margin: 0; color: var(--muted); }

/* 바닥 */
footer.bottom { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
footer.bottom .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer.bottom dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; margin: 0; }
footer.bottom dt { color: #6f6e7c; }
footer.bottom dd { margin: 0; }
footer.bottom .links { display: flex; gap: 18px; align-items: flex-start; }
footer.bottom .links a { color: var(--fg); }
footer.bottom .copy { margin-top: 22px; color: #6f6e7c; }

/* 문서(개인정보처리방침·약관) */
.doc { max-width: 780px; margin: 0 auto; padding: 64px 24px 96px; }
.doc h1 { font-size: 34px; margin: 0 0 8px; }
.doc .meta { color: var(--muted); margin: 0 0 40px; font-size: 15px; }
.doc h2 { font-size: 21px; margin: 42px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 17px; margin: 22px 0 8px; }
.doc p, .doc li { color: #d2d1dc; font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 10px 0; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--card); color: var(--fg); }
.doc .toc { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 22px; }
.doc .toc ol { margin: 0; }

@media (max-width: 860px) {
	.pillars, .points { grid-template-columns: 1fr; }
	.flow { grid-template-columns: 1fr 1fr; }
	nav.menu a:not(.lang) { display: none; }
	.hero { padding: 80px 0 64px; }
	.hero .orbit { width: 480px; height: 480px; right: -220px; opacity: 0.35; }
	section.block { padding: 64px 0; }
	.contact { padding: 28px; }
}
@media (max-width: 480px) {
	body { font-size: 16px; }
	.wrap { padding: 0 16px; }
	.flow { grid-template-columns: 1fr; }
	.doc { padding: 40px 16px 72px; }
	.doc table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: no-preference) {
	.hero .orbit .ring { transform-origin: 360px 360px; animation: spin 60s linear infinite; }
	@keyframes spin { to { transform: rotate(360deg); } }
}