/* gongback.com — tokens from Design System "gongback" (D-008) */
:root {
  --ground: #EEEFEA;
  --ink: #141414;
  --ink-2: #4A4A46;
  --sub: #5E5E5A;
  --line: #8A8A84;
  --night: #1E1E1E;
  --night-muted: #A3A39C;
  --accent: #3A5CC0;
  --max: 1180px;
  --col: 760px;
  --display: 'Inter Tight', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--ink); }
a:hover { color: var(--accent); }

.page { background: var(--ground); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

h1, h2 { font-family: var(--display); font-weight: 400; margin: 0; }
h1 { font-size: clamp(40px, 5vw, 64px); line-height: 1.08; letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -0.03em; }

/* header */
.top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding: 28px 0; }
.home { display: flex; align-items: center; text-decoration: none; }
.logo { display: block; height: 25px; width: auto; }
.btn { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border: 1px solid var(--ink); font-size: 14px; text-decoration: none; }
.btn-light { border-color: #FFFFFF; color: #FFFFFF; }
.btn-light:hover { color: #FFFFFF; background: rgba(255, 255, 255, .08); }
.arrow { display: block; }

/* hero */
.hero { padding: clamp(48px, 9vw, 96px) 0; }
.lead { margin: 24px 0 0; max-width: 720px; font-size: 18px; line-height: 1.6; color: var(--sub); }
.art { display: block; width: 100%; height: auto; }
.hero-art { margin-top: clamp(40px, 7vw, 72px); }

/* hero: selected-cell hover (CSS only) */
.hc { cursor: crosshair; }
.hc .hv { opacity: 0; transition: opacity .2s ease; }
.hc:hover .hv { opacity: 1; transition: opacity .05s ease; }

/* sections */
.block { padding: clamp(56px, 9vw, 96px) 0; border-top: 1px solid var(--line); }
.block h2 { margin-bottom: clamp(24px, 5vw, 48px); }
.col { max-width: var(--col); margin-left: auto; }
.intro { margin: 0 0 clamp(28px, 5vw, 48px); font-size: 18px; line-height: 1.6; }

/* Where We Fit: custom pointer (mouse only) */
.fit-art.is-tracking { cursor: none; }

/* How We Work */
.work-art { margin-bottom: 8px; }
.rules { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }
.rules li { display: flex; flex-direction: column; gap: 16px; padding-top: 20px; border-top: 1px solid var(--ink); }
.rules span { font-size: 13px; color: var(--ink-2); }
.rules p { margin: 0; font-size: 18px; line-height: 1.6; }

/* When We Talk + footer */
.band { background: var(--night); color: #FFFFFF; }
.band .wrap { padding-top: clamp(56px, 10vw, 100px); }
.band-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 24px; }
.talk { max-width: var(--col); margin: clamp(32px, 8vw, 80px) 0 0 auto; font-size: 18px; line-height: 1.6; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; margin-top: clamp(56px, 9vw, 96px); padding: clamp(40px, 6vw, 56px) 0 clamp(56px, 9vw, 96px); border-top: 1px solid var(--ink-2); font-size: 13px; }
.foot-main { display: flex; flex-direction: column; gap: 10px; }
.copy { font-size: 15px; }
.muted { color: var(--night-muted); }
.foot-links { display: flex; flex-wrap: wrap; gap: 48px; max-width: var(--col); flex: 0 1 var(--col); }
.foot-links div { display: flex; flex-direction: column; gap: 14px; }
.foot-links a { color: var(--night-muted); text-decoration: none; }
.foot-links a:hover { color: #FFFFFF; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (max-width: 640px) {
  .sub br { display: none; }
}

/* Privacy page */
.doc { border-top: 0; padding-top: clamp(32px, 6vw, 64px); }
.doc h1 { margin-bottom: clamp(24px, 5vw, 48px); font-size: clamp(32px, 4vw, 44px); letter-spacing: -0.03em; }
.doc .meta { margin: 0 0 32px; font-size: 13px; color: var(--ink-2); }
.doc p, .doc li { font-size: 16px; line-height: 1.7; }
.doc h3 { margin: 40px 0 8px; font-family: var(--display); font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.doc ul { padding-left: 20px; margin: 8px 0; }
.doc hr { margin: 56px 0 40px; border: 0; border-top: 1px solid var(--line); }
.doc .ko-title { font-size: 24px; margin-bottom: 16px; }
.doc [lang="ko"] { word-break: keep-all; }
.band-plain .wrap { padding-top: 0; }
.band-plain .foot { margin-top: 0; border-top: 0; }