:root {
  --navy: #444444;
  --green: #13a1e8;
  --green-dark: #087db8;
  --mint: #e4f5fd;
  --lime: #c8edfb;
  --cream: #f4fafd;
  --white: #fff;
  --ink: #444444;
  --muted: #707070;
  --line: #d9e8ef;
  --shadow: 0 18px 50px rgba(19, 161, 232, .13);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif; line-height: 1.7; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 999; padding: 10px 16px; background: var(--navy); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(217,232,239,.85); backdrop-filter: blur(14px); }
.header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { position: relative; width: 205px; height: 64px; display: inline-block; flex: 0 0 auto; overflow: hidden; background: url("../assets/logo-primary.png") no-repeat left center / contain; }
.brand > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.desktop-nav { display: flex; align-items: center; gap: 4px; }
.desktop-nav > a { padding: 12px 14px; font-size: 15px; font-weight: 650; border-radius: 999px; }
.desktop-nav > a:hover, .desktop-nav > a.active { color: var(--green); background: var(--mint); }
.desktop-nav .nav-donate { margin-left: 8px; padding-inline: 20px; color: #fff; background: var(--green); }
.desktop-nav .nav-donate:hover, .desktop-nav .nav-donate.active { color: #fff; background: var(--green-dark); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 12px; color: var(--navy); }
.mobile-nav { display: none; position: fixed; inset: 82px 0 0; padding: 24px 20px; background: #fff; }
.mobile-nav.open { display: flex; flex-direction: column; }
.mobile-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); font-weight: 700; }
.mobile-nav .nav-donate { margin-top: 16px; text-align: center; color: #fff; background: var(--green); border: 0; border-radius: 12px; }

.hero { position: relative; overflow: hidden; padding: 105px 0 110px; background: var(--cream); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 999px; }
.hero::before { width: 470px; height: 470px; right: -100px; top: -190px; background: var(--lime); opacity: .85; }
.hero::after { width: 360px; height: 360px; right: 10%; bottom: -240px; border: 70px solid var(--mint); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; color: var(--green-dark); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--green); }
.hero h1 { margin: 0 0 24px; max-width: 760px; font-size: clamp(42px, 6vw, 74px); line-height: 1.08; letter-spacing: -.065em; color: var(--navy); }
.hero h1 em { font-style: normal; color: var(--green); }
.hero-lead { max-width: 630px; margin: 0 0 34px; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 750; transition: .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--green); box-shadow: 0 10px 26px rgba(19,161,232,.22); }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { color: var(--navy); background: #fff; border-color: var(--line); }
.hero-visual { position: relative; min-height: 430px; }
.hero-card { position: absolute; border-radius: 32px; box-shadow: var(--shadow); }
.hero-card.main { inset: 25px 25px 20px 55px; padding: 42px; color: #fff; background: var(--navy); transform: rotate(3deg); }
.hero-card.main::after { content: "청년의 가능성"; position: absolute; right: -42px; bottom: 48px; color: var(--lime); font-size: 48px; font-weight: 850; letter-spacing: -.06em; transform: rotate(-90deg); opacity: .9; }
.hero-card.main .round { width: 86px; height: 86px; display: grid; place-items: center; margin-bottom: 70px; color: var(--navy); background: var(--lime); border-radius: 50%; font-size: 26px; font-weight: 900; }
.hero-card.main p { margin: 0; font-size: 22px; font-weight: 750; line-height: 1.45; }
.hero-card.note { left: 0; bottom: 0; padding: 16px 22px; background: #fff; transform: rotate(-4deg); font-weight: 800; color: var(--green-dark); }

.section { padding: 100px 0; }
.section-soft { background: #f4fafd; }
.section-dark { color: #fff; background: var(--navy); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 44px; }
.section-heading.center { display: block; text-align: center; }
.section-heading h2 { margin: 0; color: var(--navy); font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.05em; }
.section-heading p { max-width: 520px; margin: 0; color: var(--muted); }
.section-dark .section-heading h2, .section-dark .section-heading p { color: #fff; }
.section-dark .section-heading p { opacity: .72; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: .2s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.icon-box { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 42px; color: var(--green-dark); background: var(--mint); border-radius: 16px; font-size: 24px; font-weight: 900; }
.feature-card h3 { margin: 0 0 12px; font-size: 21px; letter-spacing: -.03em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 15px; }
.feature-card .more { display: inline-block; margin-top: 22px; color: var(--green); font-weight: 800; }
.impact-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 1px; overflow: hidden; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); }
.impact-item { padding: 40px 32px; background: var(--navy); }
.impact-item strong { display: block; margin-bottom: 8px; color: var(--lime); font-size: 34px; line-height: 1; }
.impact-item span { color: rgba(255,255,255,.68); }
.board-preview { background: #fff; border-top: 2px solid var(--navy); }
.notice-row { display: grid; grid-template-columns: 90px 1fr 120px; align-items: center; gap: 24px; min-height: 74px; border-bottom: 1px solid var(--line); }
.notice-row:hover .notice-title { color: var(--green); }
.notice-tag { width: max-content; padding: 5px 10px; color: var(--green-dark); background: var(--mint); border-radius: 999px; font-size: 12px; font-weight: 800; }
.notice-title { overflow: hidden; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.notice-date { color: var(--muted); font-size: 14px; text-align: right; }
.cta { position: relative; overflow: hidden; padding: 56px 60px; color: #fff; background: var(--green); border-radius: 30px; }
.cta::after { content: "YOUTHRO"; position: absolute; right: -10px; bottom: -35px; color: rgba(255,255,255,.09); font-size: 90px; font-weight: 900; }
.cta h2 { position: relative; z-index: 1; max-width: 700px; margin: 0 0 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.05em; }
.cta p { position: relative; z-index: 1; margin: 0 0 28px; opacity: .85; }
.cta .btn { position: relative; z-index: 1; color: var(--green-dark); background: var(--lime); }

.page-hero { padding: 72px 0; background: var(--cream); }
.breadcrumbs { margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.page-hero h1 { margin: 0 0 12px; color: var(--navy); font-size: clamp(38px, 6vw, 62px); letter-spacing: -.06em; }
.page-hero p { max-width: 680px; margin: 0; color: var(--muted); font-size: 18px; }
.two-column { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
.quote-card { position: sticky; top: 120px; padding: 42px; background: var(--navy); color: #fff; border-radius: var(--radius); }
.quote-card strong { display: block; margin-bottom: 80px; color: var(--lime); font-size: 13px; letter-spacing: .1em; }
.quote-card blockquote { margin: 0 0 24px; font-size: 28px; font-weight: 800; line-height: 1.4; letter-spacing: -.04em; }
.prose h2 { margin: 0 0 18px; font-size: 32px; letter-spacing: -.04em; }
.prose h3 { margin: 42px 0 12px; font-size: 23px; }
.prose p { margin: 0 0 18px; color: var(--muted); }
.value-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.value b { display: block; margin-bottom: 8px; color: var(--green); font-size: 13px; letter-spacing: .08em; }
.value strong { display: block; margin-bottom: 8px; font-size: 20px; }
.value p { margin: 0; color: var(--muted); font-size: 14px; }
.timeline { max-width: 800px; margin: auto; }
.timeline-row { display: grid; grid-template-columns: 110px 1fr; gap: 32px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.timeline-row strong { color: var(--green); font-size: 22px; }
.timeline-row p { margin: 0; color: var(--muted); }

.program-card { display: grid; grid-template-columns: 92px 1fr; gap: 26px; padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.program-number { width: 72px; height: 72px; display: grid; place-items: center; color: var(--green-dark); background: var(--lime); border-radius: 50%; font-weight: 900; }
.program-card h3 { margin: 0 0 8px; font-size: 23px; }
.program-card p { margin: 0 0 16px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 11px; color: var(--green-dark); background: var(--mint); border-radius: 999px; font-size: 12px; font-weight: 700; }
.program-list { display: grid; gap: 20px; }

.board-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; }
.board-toolbar p { margin: 0; color: var(--muted); }
.search-form { display: flex; gap: 8px; }
.field, .search-form input, .search-form select { min-height: 46px; padding: 10px 14px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.search-form button { min-height: 46px; padding: 10px 18px; border: 0; border-radius: 10px; color: #fff; background: var(--green); font-weight: 750; }
.board-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--navy); }
.board-table th, .board-table td { padding: 18px 16px; border-bottom: 1px solid var(--line); text-align: center; }
.board-table th { color: var(--muted); background: #f7fbfd; font-size: 13px; }
.board-table .title { text-align: left; font-weight: 650; }
.board-table .title a:hover { color: var(--green); }
.pagination { display: flex; justify-content: center; gap: 7px; margin-top: 34px; }
.pagination a, .pagination span { min-width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; }
.pagination .current { color: #fff; background: var(--green); border-color: var(--green); }

.donation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.donation-card { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.donation-card.featured { color: #fff; background: var(--green); border-color: var(--green); transform: translateY(-8px); box-shadow: var(--shadow); }
.donation-card .label { color: var(--green); font-size: 13px; font-weight: 850; }
.donation-card.featured .label { color: var(--lime); }
.donation-card h3 { margin: 14px 0 8px; font-size: 24px; }
.donation-card p { margin: 0 0 25px; color: var(--muted); }
.donation-card.featured p { color: rgba(255,255,255,.78); }
.account-box { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; margin-top: 30px; padding: 28px 32px; background: var(--cream); border-radius: 18px; }
.account-box p { margin: 0; color: var(--muted); }
.account-box strong { display: block; margin-top: 5px; color: var(--navy); font-size: 22px; }
.copy-button { padding: 10px 16px; color: #fff; background: var(--navy); border: 0; border-radius: 10px; font-weight: 700; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
.process-step { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.process-step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 30px; color: var(--green); font-weight: 900; }
.process-step strong { display: block; margin-bottom: 5px; }
.process-step span { color: var(--muted); font-size: 14px; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; }
.contact-info { padding: 38px; color: #fff; background: var(--navy); border-radius: var(--radius); }
.contact-info h2 { margin: 0 0 26px; font-size: 30px; }
.info-item { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.info-item span { display: block; margin-bottom: 4px; color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: grid; gap: 7px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; font-weight: 750; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 10px; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(19,161,232,.12); }
.form-group textarea { min-height: 150px; resize: vertical; }
.form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 13px; }

.site-footer { padding: 62px 0 26px; color: rgba(255,255,255,.72); background: #444444; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 60px; }
.site-footer .brand { width: 255px; height: 120px; background-image: url("../assets/logo-white.png"); }
.footer-about { max-width: 540px; margin: 20px 0 0; font-size: 14px; }
.footer-title { margin: 0 0 18px; color: #fff; font-size: 14px; }
.footer-links { display: grid; gap: 9px; font-size: 14px; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .hero-grid, .two-column, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 380px; max-width: 520px; }
  .card-grid, .value-list, .donation-grid { grid-template-columns: 1fr 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .quote-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 30px), var(--max)); }
  .header-inner { height: 72px; }
  .mobile-nav { inset-block-start: 72px; }
  .hero { padding: 72px 0 80px; }
  .hero h1 { font-size: 43px; }
  .hero-visual { min-height: 320px; }
  .hero-card.main { inset: 20px 5px 20px 30px; padding: 30px; }
  .hero-card.main .round { margin-bottom: 50px; }
  .hero-card.main::after { font-size: 36px; right: -55px; }
  .section { padding: 74px 0; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 14px; }
  .card-grid, .value-list, .donation-grid, .process { grid-template-columns: 1fr; }
  .donation-card.featured { transform: none; }
  .notice-row { grid-template-columns: 70px 1fr; gap: 10px; }
  .notice-date { display: none; }
  .cta { padding: 40px 28px; }
  .page-hero { padding: 52px 0; }
  .timeline-row { grid-template-columns: 75px 1fr; gap: 18px; }
  .program-card { grid-template-columns: 1fr; }
  .board-toolbar { align-items: stretch; flex-direction: column; }
  .search-form { display: grid; grid-template-columns: 100px 1fr; }
  .search-form button { grid-column: 1 / -1; }
  .board-table th:first-child, .board-table td:first-child, .board-table th:last-child, .board-table td:last-child { display: none; }
  .account-box { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}