/* Maketer John — 자사 사이트 스타일
   차가운 뉴트럴 + 버밀리언 단일 액센트. 라이트/다크 이중 테마. */

:root {
  color-scheme: light dark;

  /* 뉴트럴 — 차가운 바탕, 미세한 바이올렛 바이어스 */
  --paper:      #F1F1F4;
  --paper-2:    #FBFBFD;
  --card:       #FFFFFF;
  --ink:        #17161C;
  --ink-soft:   #3A3945;
  --muted:      #63626E;
  --line:       #E1E0E6;
  --line-strong:#CFCED6;

  /* 액센트 — 따뜻한 버밀리언 하나만 강하게 */
  --accent:     #FF5836;
  --accent-ink: #E23B18;
  --accent-soft:#FFEDE8;

  --shadow: 0 1px 2px rgba(23,22,28,.04), 0 8px 30px rgba(23,22,28,.06);

  --wrap: 1120px;
  --gutter: clamp(20px, 5vw, 56px);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard",
          "Apple SD Gothic Neo", "Noto Sans KR", Roboto, sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", "Menlo", monospace;

  --step--1: clamp(.78rem, .76rem + .1vw, .84rem);
  --step-0:  clamp(1rem, .97rem + .16vw, 1.08rem);
  --step-1:  clamp(1.2rem, 1.12rem + .4vw, 1.5rem);
  --step-2:  clamp(1.6rem, 1.4rem + 1vw, 2.3rem);
  --step-3:  clamp(2.3rem, 1.9rem + 2.1vw, 3.6rem);
  --step-4:  clamp(3rem, 2.2rem + 4vw, 5.4rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #131217;
    --paper-2:    #17161C;
    --card:       #1D1C24;
    --ink:        #ECEAF0;
    --ink-soft:   #C4C2CE;
    --muted:      #918FA0;
    --line:       #2A2932;
    --line-strong:#3A3945;
    --accent:     #FF6A47;
    --accent-ink: #FF8163;
    --accent-soft:#2A1B16;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 34px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"] {
  --paper:#131217; --paper-2:#17161C; --card:#1D1C24;
  --ink:#ECEAF0; --ink-soft:#C4C2CE; --muted:#918FA0;
  --line:#2A2932; --line-strong:#3A3945;
  --accent:#FF6A47; --accent-ink:#FF8163; --accent-soft:#2A1B16;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 34px rgba(0,0,0,.4);
}
:root[data-theme="light"] {
  --paper:#F1F1F4; --paper-2:#FBFBFD; --card:#FFFFFF;
  --ink:#17161C; --ink-soft:#3A3945; --muted:#63626E;
  --line:#E1E0E6; --line-strong:#CFCED6;
  --accent:#FF5836; --accent-ink:#E23B18; --accent-soft:#FFEDE8;
  --shadow: 0 1px 2px rgba(23,22,28,.04), 0 8px 30px rgba(23,22,28,.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

h1, h2, h3 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.03em; margin: 0; font-weight: 680; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.eyebrow {
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex; align-items: center; gap: .6em;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--accent);
}

/* ── nav ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: baseline; gap: .5ch; font-weight: 720; letter-spacing: -0.03em; font-size: 1.1rem; }
.brand b { color: var(--accent); font-weight: 720; }
.brand span { font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.nav__links { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav__links a { font-size: .92rem; color: var(--ink-soft); }
.nav__links a:hover { color: var(--accent-ink); }
.nav .cta-sm { display: none; }
@media (min-width: 720px) { .nav .cta-sm { display: inline-flex; } }
.nav__meta { display: none; }
@media (min-width: 560px) { .nav__meta { display: flex; } }

.theme-btn {
  appearance: none; border: 1px solid var(--line-strong); background: var(--card);
  color: var(--ink-soft); width: 34px; height: 34px; border-radius: 9px;
  cursor: pointer; font-size: .95rem; display: grid; place-items: center;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent-ink); }

/* ── buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 600; font-size: .95rem; letter-spacing: -0.01em;
  padding: .72em 1.25em; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-ink); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
.btn .arrow { transition: transform .18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ── hero ── */
.hero { padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(40px, 6vw, 80px); }
.hero__grid { display: grid; gap: clamp(32px, 5vw, 56px); grid-template-columns: 1fr; }
@media (min-width: 940px) { .hero__grid { grid-template-columns: 1.15fr .85fr; align-items: center; } }
.hero h1 { font-size: var(--step-4); font-weight: 720; margin-top: 22px; }
.hero h1 .hl { color: var(--accent); }
.hero__lead { margin-top: 24px; font-size: var(--step-1); color: var(--ink-soft); max-width: 30ch; line-height: 1.45; }
.hero__actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero__stats { margin-top: 40px; display: flex; gap: clamp(20px, 4vw, 40px); flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat b { font-size: var(--step-2); font-weight: 700; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.stat span { font-family: var(--mono); font-size: var(--step--1); color: var(--muted); letter-spacing: .04em; }

/* hero panel — 성장 그래프 */
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); padding: 22px; overflow: hidden;
}
.panel__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.panel__head .k { font-family: var(--mono); font-size: var(--step--1); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.panel__head .pill { font-family: var(--mono); font-size: .68rem; color: #fff; background: var(--accent); padding: .2em .6em; border-radius: 999px; letter-spacing: .04em; }
.panel__big { font-size: var(--step-3); font-weight: 720; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.panel__big small { font-size: .42em; color: var(--muted); font-weight: 600; margin-left: .4ch; letter-spacing: 0; }
.panel canvas { width: 100%; height: 132px; display: block; margin-top: 10px; }
.panel__legend { display: flex; gap: 16px; margin-top: 10px; font-family: var(--mono); font-size: var(--step--1); color: var(--muted); }
.panel__legend i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; margin-right: 6px; vertical-align: middle; }

/* ── section frame ── */
.section { padding-block: clamp(56px, 9vw, 108px); border-top: 1px solid var(--line); }
.section__head { max-width: 60ch; margin-bottom: clamp(30px, 5vw, 52px); }
.section__head h2 { font-size: var(--step-3); margin-top: 16px; }
.section__head p { margin-top: 16px; color: var(--ink-soft); font-size: var(--step-1); line-height: 1.5; }

/* ── services ── */
.svc { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .svc { grid-template-columns: 1fr 1fr; } }
.svc__card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: clamp(24px, 3vw, 34px); display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s ease, transform .2s ease;
}
.svc__card:hover { border-color: var(--accent); transform: translateY(-3px); }
.svc__no { font-family: var(--mono); font-size: var(--step--1); color: var(--accent-ink); letter-spacing: .1em; }
.svc__card h3 { font-size: var(--step-2); font-weight: 680; }
.svc__card p { color: var(--muted); line-height: 1.55; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 8px; }
.svc__tags span {
  font-family: var(--mono); font-size: .72rem; color: var(--ink-soft);
  border: 1px solid var(--line-strong); border-radius: 7px; padding: .28em .6em;
}

/* ── process ── */
.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(18px, 3vw, 40px);
  padding-block: clamp(24px, 3vw, 34px); border-top: 1px solid var(--line);
  align-items: baseline;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__no { font-family: var(--mono); font-size: var(--step-1); color: var(--accent); font-weight: 500; font-variant-numeric: tabular-nums; }
.step__body h3 { font-size: var(--step-1); font-weight: 680; }
.step__body p { margin-top: 8px; color: var(--muted); max-width: 62ch; line-height: 1.55; }

/* ── business info / about ── */
.about { display: grid; gap: clamp(28px, 4vw, 48px); grid-template-columns: 1fr; }
@media (min-width: 860px) { .about { grid-template-columns: 1fr 1fr; align-items: start; } }
.about__lead { font-size: var(--step-1); color: var(--ink-soft); line-height: 1.55; }
.about__lead + .about__lead { margin-top: 18px; font-size: var(--step-0); color: var(--muted); }
.info {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: clamp(22px, 3vw, 32px); box-shadow: var(--shadow);
}
.info h3 { font-family: var(--mono); font-size: var(--step--1); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 18px; }
.info dl { display: grid; grid-template-columns: 8.5em 1fr; gap: 12px 16px; margin: 0; }
.info dt { color: var(--muted); font-size: .92rem; }
.info dd { margin: 0; color: var(--ink); font-size: .96rem; word-break: break-word; }
.info .todo { color: var(--accent-ink); font-family: var(--mono); font-size: .82rem; }

/* ── CTA ── */
.cta {
  background: var(--ink); color: var(--paper-2);
  border-radius: 22px; padding: clamp(36px, 6vw, 72px);
  display: grid; gap: 24px; text-align: center; justify-items: center;
}
:root[data-theme="dark"] .cta, .cta { }
.cta h2 { font-size: var(--step-3); color: #fff; }
:root[data-theme="light"] .cta h2 { color:#fff; }
.cta p { color: color-mix(in srgb, var(--paper-2) 70%, transparent); max-width: 46ch; }
.cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.cta .btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── footer ── */
.foot { border-top: 1px solid var(--line); padding-block: 46px; }
.foot__grid { display: flex; flex-wrap: wrap; gap: 28px 48px; justify-content: space-between; }
.foot__brand { max-width: 30ch; }
.foot__brand p { color: var(--muted); font-size: .9rem; margin-top: 10px; }
.foot__cols { display: flex; gap: clamp(32px, 6vw, 72px); flex-wrap: wrap; }
.foot__col h4 { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0 0 12px; }
.foot__col a, .foot__col span { display: block; color: var(--ink-soft); font-size: .9rem; margin-bottom: 8px; }
.foot__col a:hover { color: var(--accent-ink); }
.foot__legal { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; color: var(--muted); font-size: .82rem; font-family: var(--mono); }

/* ── legal pages ── */
.legal { padding-block: clamp(40px, 6vw, 72px); }
.legal__doc { max-width: 74ch; }
.legal h1 { font-size: var(--step-3); }
.legal .updated { font-family: var(--mono); font-size: var(--step--1); color: var(--muted); margin-top: 12px; letter-spacing: .04em; }
.legal h2 { font-size: var(--step-1); margin-top: 44px; padding-top: 8px; }
.legal h3 { font-size: var(--step-0); font-weight: 680; margin-top: 26px; }
.legal p, .legal li { color: var(--ink-soft); line-height: 1.7; margin-top: 12px; }
.legal ul { margin: 8px 0 0; padding-left: 1.2em; }
.legal li { margin-top: 6px; }
.legal .back { display: inline-flex; align-items: center; gap: .5ch; font-family: var(--mono); font-size: var(--step--1); color: var(--accent-ink); margin-bottom: 28px; letter-spacing: .04em; }
.legal table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: .92rem; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border: 1px solid var(--line); vertical-align: top; }
.legal th { background: var(--paper-2); font-weight: 600; color: var(--ink); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--accent); color:#fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
a:focus-visible, button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }