/* 손사ON 솔루션 소개 사이트 — 블루 기반, 절제된 카드·아이콘, 가독성 우선 */
:root {
  --blue-950: #0a1a3a;
  --blue-900: #0f2a5c;
  --blue-800: #15397d;
  --blue-700: #1b4bb0;
  --blue-600: #2160e0;
  --blue-500: #3b7bf6;
  --blue-100: #e6efff;
  --blue-50: #f3f7ff;
  --ink: #16202e;
  --ink-2: #3b4757;
  --ink-3: #5f6b7c;
  --line: #dfe5ee;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --ok: #157f4f;
  --err: #b42318;
  --radius: 14px;
  --wrap: 1160px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.35; letter-spacing: -0.02em; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding-left: 1.2em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; }
:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 2px; }

/* 헤더 */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.brand small { font-weight: 500; font-size: .8rem; color: var(--ink-3); margin-left: 2px; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a { color: var(--ink-2); font-weight: 600; font-size: 1rem; padding: 8px 12px; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue-700); background: var(--blue-50); text-decoration: none; }
.nav .btn { margin-left: 8px; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font: inherit; font-size: .95rem; cursor: pointer; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; font-weight: 700; font-size: 1rem;
  border: 1px solid transparent; cursor: pointer; font-family: inherit; line-height: 1.2;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); }
.btn-line { background: #fff; color: var(--blue-700); border-color: #b9cdf5; }
.btn-line:hover { border-color: var(--blue-600); }
.btn-ghost-light { color: #fff; border-color: rgba(255,255,255,.4); background: transparent; }
.btn-ghost-light:hover { background: rgba(255,255,255,.1); }
.nav .btn { padding: 9px 16px; font-size: .95rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* 히어로 */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1100px 520px at 85% -10%, #2f6ff0 0%, transparent 60%), linear-gradient(160deg, var(--blue-950), var(--blue-900) 60%, var(--blue-800));
  color: #e9f0ff;
}
.hero .wrap { position: relative; padding-top: 104px; padding-bottom: 104px; }
.hero h1 { color: #fff; max-width: 15em; }
.hero .lead { font-size: clamp(1.08rem, 1.7vw, 1.25rem); color: #c9d8f5; max-width: 38em; margin-bottom: 2em; }
.eyebrow {
  display: inline-block; font-size: .9rem; font-weight: 700; letter-spacing: .04em;
  color: var(--blue-600); margin-bottom: 14px;
}
.hero .eyebrow { color: #9fc0ff; }
.hero-grid { position: absolute; inset: 0; pointer-events: none; opacity: .5; }
.hero-sub { padding-top: 80px !important; padding-bottom: 72px !important; }

/* 섹션 */
.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head p { color: var(--ink-2); font-size: 1.1rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* 원칙(가치) 목록 — 카드 대신 구분선 */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.pillar { padding: 32px 28px 8px 0; }
.pillar + .pillar { padding-left: 28px; border-left: 1px solid var(--line); }
.pillar .num { font-size: .95rem; font-weight: 800; color: var(--blue-600); margin-bottom: 10px; display: block; }
.pillar p { color: var(--ink-2); }

/* 제품 카드 */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: border-color .15s, box-shadow .15s;
}
.product:hover { border-color: #b9cdf5; box-shadow: 0 10px 30px -18px rgba(21,57,125,.45); }
.product .icon { width: 44px; height: 44px; margin-bottom: 20px; }
.product .for { font-size: .92rem; font-weight: 700; color: var(--blue-700); margin-bottom: 4px; }
.product h3 { font-size: 1.5rem; margin-bottom: 12px; }
.product p { color: var(--ink-2); }
.product ul { list-style: none; padding: 0; margin: 4px 0 24px; border-top: 1px solid var(--line); }
.product li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .98rem; color: var(--ink-2); }
.product .price { margin-top: auto; font-size: .95rem; color: var(--ink-3); margin-bottom: 18px; }
.product .price strong { font-size: 1.35rem; color: var(--ink); }
.product .more { font-weight: 700; }

/* 표 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 1rem; }
.compare th, .compare td { padding: 16px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { background: var(--blue-50); color: var(--blue-900); font-weight: 800; }
.compare tbody th { color: var(--ink-3); font-weight: 600; width: 18%; white-space: nowrap; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }

/* 기능 목록 */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.feature { padding: 28px 0; border-top: 1px solid var(--line); }
.feature h3 { display: flex; gap: 12px; align-items: baseline; }
.feature h3 .n { color: var(--blue-600); font-size: 1rem; font-weight: 800; min-width: 1.6em; }
.feature p { color: var(--ink-2); margin: 0; padding-left: calc(1.6em + 12px); }

/* 단계 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; list-style: none; padding: 0; }
.steps li { border-top: 3px solid var(--blue-600); padding-top: 18px; counter-increment: s; }
.steps li::before { content: "STEP " counter(s); display: block; font-size: .85rem; font-weight: 800; color: var(--blue-600); margin-bottom: 6px; letter-spacing: .04em; }
.steps strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
.steps span { color: var(--ink-2); font-size: .98rem; }

/* 가격 블록 */
.price-box { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.price-main { background: var(--blue-950); color: #dbe6fb; border-radius: var(--radius); padding: 40px; }
.price-main .tag { font-size: .95rem; color: #9fc0ff; font-weight: 700; }
.price-main .amount { font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: #fff; letter-spacing: -0.02em; line-height: 1.2; margin: 8px 0 4px; }
.price-main .amount small { font-size: 1rem; font-weight: 500; color: #a9bde3; margin-left: 6px; }
.price-main ul { margin-top: 20px; padding-left: 1.1em; }
.price-main li { margin: 6px 0; }
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding: 12px 0 12px 32px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.checklist li::before { content: ""; position: absolute; left: 4px; top: 21px; width: 12px; height: 7px; border-left: 2px solid var(--blue-600); border-bottom: 2px solid var(--blue-600); transform: rotate(-45deg); }
.note { font-size: .95rem; color: var(--ink-3); }

/* 흐름도(Mini Office) */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 16px; align-items: stretch; }
.flow .node { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; background: #fff; }
.flow .node .role { font-size: .9rem; font-weight: 800; color: var(--blue-600); }
.flow .arrow { align-self: center; color: var(--blue-500); font-size: 1.6rem; font-weight: 300; }

/* CTA 띠 */
.cta { background: linear-gradient(135deg, var(--blue-800), var(--blue-600)); color: #e7efff; border-radius: 20px; padding: 56px; display: flex; gap: 32px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: 8px; }
.cta p { margin: 0; color: #cfdcf7; }
.cta .btn-primary { background: #fff; color: var(--blue-800); }
.cta .btn-primary:hover { background: var(--blue-50); }

/* 폼 */
.form-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.form-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; background: #fff; box-shadow: 0 20px 40px -32px rgba(15,42,92,.5); }
.field { margin-bottom: 22px; }
.field > label, .field > legend { display: block; font-weight: 700; margin-bottom: 8px; font-size: 1rem; }
fieldset { border: 0; padding: 0; margin: 0; }
.input {
  width: 100%; font: inherit; font-size: 1.05rem; padding: 13px 16px;
  border: 1px solid #c7d1df; border-radius: 10px; background: #fff; color: var(--ink);
}
.input:focus { border-color: var(--blue-600); outline: 3px solid rgba(33,96,224,.18); outline-offset: 0; }
.choice-group { display: grid; gap: 10px; }
.choice { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--blue-600); background: var(--blue-50); }
.choice input { margin-top: 6px; accent-color: var(--blue-600); width: 18px; height: 18px; flex: none; }
.choice strong { display: block; }
.choice span { font-size: .93rem; color: var(--ink-3); }
.consent { border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 14px; background: var(--bg-soft); }
.consent label { display: flex; gap: 10px; align-items: flex-start; font-weight: 700; cursor: pointer; }
.consent input { margin-top: 6px; accent-color: var(--blue-600); width: 18px; height: 18px; flex: none; }
.consent dl { margin: 10px 0 0 28px; font-size: .92rem; color: var(--ink-2); display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; }
.consent dt { color: var(--ink-3); }
.consent dd { margin: 0; }
.consent p { margin: 8px 0 0 28px; font-size: .92rem; color: var(--ink-3); }
.field-error { display: block; color: var(--err); font-size: .93rem; margin-top: 6px; font-weight: 600; }
.alert { border-radius: 10px; padding: 16px 18px; margin-bottom: 22px; font-size: 1rem; }
.alert-error { background: #fdf0ef; color: var(--err); border: 1px solid #f4c7c3; }
.alert-ok { background: #ecf8f1; color: var(--ok); border: 1px solid #bfe5cf; }
.btn-block { width: 100%; padding: 16px; font-size: 1.08rem; }

/* 푸터 */
.site-footer { background: var(--blue-950); color: #a9bad6; padding: 56px 0 40px; font-size: .95rem; margin-top: 0; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.site-footer a { color: #cfdcf3; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; font-size: .88rem; color: #8597b7; }

/* 반응형 */
@media (max-width: 960px) {
  .products, .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 28px 0 8px; border-left: 0; border-bottom: 1px solid var(--line); }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .price-box, .form-layout { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow .arrow { transform: rotate(90deg); justify-self: center; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 16px 16px; }
  .nav.open { display: flex; }
  .nav .btn { margin: 8px 0 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .section { padding: 64px 0; }
  .hero .wrap { padding-top: 72px; padding-bottom: 72px; }
  .steps { grid-template-columns: 1fr; }
  .cta { padding: 36px 24px; }
  .form-card, .price-main { padding: 24px; }
  .btn-row .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* 상담 폼 스팸 방지 숨김 칸 */
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
select.input { appearance: auto; }
textarea.input { resize: vertical; min-height: 150px; line-height: 1.6; }