/* 가온제이에이치 — 하드웨어 B팀 */
:root {
  --paper: #F4F5F2;
  --surface: #FFFFFF;
  --ink: #15191C;
  --muted: #545D63;
  --line: #DDE1DD;
  --blue: #1E4FA0;          /* 레이아웃 블루(가공 금긋기 도료 색) */
  --blue-soft: #E2E9F5;
  --dark: #121619;
  --dark-ink: #E8ECEA;
  --dark-muted: #A4AFB3;
  --dark-line: #2B3337;
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 32px; }

/* 머리 */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(244, 245, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 4px;
  background: var(--blue); color: #fff;
  font-family: var(--mono); font-weight: 500; font-size: 17px;
}
.brand-name { font-weight: 700; font-size: 17px; }
.brand-name small { font-family: var(--mono); font-weight: 400; font-size: 12px; color: var(--muted); letter-spacing: .08em; margin-left: 6px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.nav .nav-cta { color: #fff; background: var(--ink); padding: 7px 16px; border-radius: 4px; }
.nav .nav-cta:hover { color: #fff; background: var(--blue); }

/* 첫 화면 */
.hero { padding-block: 148px 136px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 96px; align-items: end; }
.eyebrow { margin: 0 0 24px; color: var(--blue); }
h1 {
  margin: 0;
  font-size: clamp(36px, 5.6vw, 64px);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.lede { margin: 32px 0 0; max-width: 30em; color: var(--muted); font-size: 18px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 48px; }
.btn {
  display: inline-flex; align-items: center;
  padding: 14px 24px; border-radius: 4px;
  font-weight: 600; font-size: 16px; text-decoration: none;
}
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: #163E80; }
.btn-line { border: 1px solid var(--ink); color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; }

.spec { margin: 0; border-top: 1px solid var(--ink); }
.spec div { display: flex; justify-content: space-between; gap: 16px; padding: 16px 2px; border-bottom: 1px solid var(--line); }
.spec dt { font-size: 14px; color: var(--muted); }
.spec dd { margin: 0; font-weight: 600; text-align: right; }

/* 띠 */
.band { padding-block: 144px; }
.band-alt { background: var(--surface); }
.band-dark { background: var(--dark); color: var(--dark-ink); }
.band-dark .section-note { color: var(--dark-muted); }
h2 {
  margin: 0 0 20px;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.3;
  letter-spacing: -0.025em;
  font-weight: 800;
  text-wrap: balance;
}
h3 { margin: 0 0 12px; font-size: 19px; line-height: 1.5; font-weight: 700; text-wrap: balance; }
p { margin: 0; }
.section-note { color: var(--muted); max-width: 40em; }

.cards { display: grid; gap: 32px; margin-top: 64px; }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 40px 36px;
}
.band-alt .card { background: var(--paper); border-color: transparent; }
.card p { color: var(--muted); font-size: 16px; }
.card h3:last-child { margin-bottom: 0; }
.reasons article { padding-top: 28px; border-top: 2px solid var(--ink); }
.reasons p { color: var(--muted); font-size: 16px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 120px; align-items: start; }

.tiles {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px;
  border-top: 1px solid var(--line);
}
.tiles li {
  padding: 22px 0 22px 18px; font-weight: 700;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.tiles li::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; margin-top: -3px; border-radius: 50%;
  background: var(--blue);
}

/* A팀·B팀 */
.hl { color: var(--blue); }
.ab { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-top: 64px; }
.ab-col { border: 1px solid var(--line); border-radius: 8px; padding: 48px 48px 52px; background: var(--surface); }
.ab-b { background: var(--blue); border-color: var(--blue); color: #fff; }
.ab-tag { display: block; margin-bottom: 24px; font-size: 14px; font-weight: 600; color: var(--muted); }
.ab-b .ab-tag { color: #C9D7F0; }
.ab ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 21px; font-weight: 700; }

/* 진행 방식 */
.stages {
  list-style: none; margin: 64px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--dark-line);
}
.stages li { padding: 40px 40px 8px 0; }
.stages li + li { padding-left: 40px; border-left: 1px solid var(--dark-line); }
.stage-no { display: inline-block; margin-bottom: 16px; font-size: 13px; color: #9DB7E6; }
.stages p { color: var(--dark-muted); font-size: 16px; }

/* 해 온 일 */
.timeline { margin-top: 64px; border-top: 1px solid var(--line); }
.period { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.years { font-family: var(--mono); font-size: 15px; color: var(--ink); font-variant-numeric: tabular-nums; padding-top: 2px; }
.period ul { margin: 0; padding-left: 1.1em; display: grid; gap: 12px; color: var(--muted); }
.period li b { color: var(--ink); font-weight: 700; margin-right: 10px; }

/* 원래 하던 일 */
.chips { list-style: none; margin: 64px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li {
  padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); font-size: 15px; color: var(--muted);
}

/* 연락 */
.contact-list { margin: 0; border-top: 1px solid var(--dark-line); }
.contact-list div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--dark-line); }
.contact-list dt { font-size: 13px; color: var(--dark-muted); padding-top: 3px; }
.contact-list dd { margin: 0; font-weight: 600; }
.contact-list a { text-decoration-color: #4B6FB0; text-underline-offset: 4px; }

.foot { padding-block: 40px; font-size: 14px; color: var(--muted); }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* 좁은 화면 */
@media (max-width: 880px) {
  .hero { padding-block: 96px 88px; }
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); gap: 56px; }
  .cards.three, .stages { grid-template-columns: minmax(0, 1fr); }
  .cards { gap: 20px; margin-top: 48px; }
  .stages li, .stages li + li { padding: 28px 0 16px; border-left: 0; border-bottom: 1px solid var(--dark-line); }
  .band { padding-block: 96px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 20px; }
  .nav { gap: 14px; font-size: 14px; }
  .nav a:not(.nav-cta) { display: none; }
  .tiles, .ab { grid-template-columns: minmax(0, 1fr); }
  .ab { gap: 20px; margin-top: 48px; }
  .ab-col { padding: 32px 28px 36px; }
  .ab ul { font-size: 18px; }
  .card { padding: 32px 28px; }
  .period, .contact-list div { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .period { padding: 28px 0; }
}
@media (max-width: 420px) { .brand-name small { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* 한글 라벨은 고정폭 글꼴에 한글이 없어 자간이 벌어지므로 본문 글꼴로 쓴다 */
.eyebrow, .spec dt, .contact-list dt, .stage-no {
  font-family: var(--sans);
  letter-spacing: .02em;
  font-weight: 600;
}
.eyebrow { font-size: 14px; }