/* make_some_money — design tokens & shared styles
   방향: 따뜻한 에디토리얼 + 실용 / 물·제습 teal 모티프 / 라이트 */

:root {
  /* palette (oklch) */
  --bg: oklch(98.5% 0.008 220);
  --bg-warm: oklch(97% 0.018 80);
  --surface: oklch(100% 0 0);
  --surface-2: oklch(96.5% 0.012 220);
  --ink: oklch(24% 0.03 240);
  --ink-soft: oklch(48% 0.02 240);
  --ink-faint: oklch(62% 0.015 240);
  --line: oklch(90% 0.012 240);
  --accent: oklch(58% 0.12 220);        /* water teal-blue */
  --accent-deep: oklch(46% 0.13 230);
  --accent-soft: oklch(94% 0.04 220);
  --dry: oklch(72% 0.15 60);            /* warm "dry" contrast */
  --ok: oklch(62% 0.15 150);

  /* type scale */
  --text-xs: 0.78rem;
  --text-sm: 0.9rem;
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.8vw, 3.4rem);
  --text-mega: clamp(2.6rem, 1.4rem + 5.4vw, 5rem);

  /* rhythm */
  --space-section: clamp(3rem, 2rem + 5vw, 6.5rem);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px oklch(24% 0.03 240 / 0.06), 0 2px 6px oklch(24% 0.03 240 / 0.05);
  --shadow-md: 0 6px 18px oklch(24% 0.03 240 / 0.08), 0 2px 6px oklch(24% 0.03 240 / 0.05);
  --shadow-lg: 0 18px 50px oklch(24% 0.06 240 / 0.14);

  --dur: 220ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard",
    "Segoe UI", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 110% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, var(--bg-warm), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: min(100% - 2.4rem, 940px); margin-inline: auto; }
.wrap--narrow { width: min(100% - 2.4rem, 720px); }

a { color: var(--accent-deep); text-underline-offset: 3px; }

/* ---- header ---- */
.site-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 0; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--ink); text-decoration: none; font-size: 1.02rem; }
.brand .drop {
  width: 1.4rem; height: 1.4rem; border-radius: 50% 50% 50% 4px;
  background: linear-gradient(160deg, var(--accent), var(--accent-deep));
  transform: rotate(-12deg); box-shadow: inset 0 -3px 6px oklch(46% 0.13 230 / .5);
}
.site-head nav { font-size: var(--text-sm); color: var(--ink-soft); }

/* ---- hero / headings ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-deep); background: var(--accent-soft);
  padding: .34rem .7rem; border-radius: 999px;
}
h1 { font-size: var(--text-2xl); line-height: 1.08; letter-spacing: -0.03em; margin: .8rem 0 .5rem; }
h2 { font-size: var(--text-xl); line-height: 1.15; letter-spacing: -0.02em; margin: 2.6rem 0 .8rem; }
h3 { font-size: var(--text-lg); letter-spacing: -0.01em; margin: 1.6rem 0 .4rem; }
.lede { font-size: var(--text-lg); color: var(--ink-soft); max-width: 46ch; }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }

/* ---- buttons ---- */
.btn {
  --b: var(--accent-deep);
  display: inline-flex; align-items: center; gap: .5rem;
  font: inherit; font-weight: 650; font-size: var(--text-sm);
  padding: .8rem 1.15rem; border-radius: 12px; border: 1px solid transparent;
  background: var(--b); color: #fff; text-decoration: none; cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--line); box-shadow: none; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-deep); }

/* ---- footer ---- */
.site-foot {
  margin-top: var(--space-section); padding: 2rem 0 3rem;
  border-top: 1px solid var(--line); color: var(--ink-faint); font-size: var(--text-sm);
}
.site-foot .disclosure {
  background: var(--surface-2); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: .85rem 1rem; margin-bottom: 1rem; color: var(--ink-soft); font-size: var(--text-xs);
}

/* ---- utility ---- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.stack > * + * { margin-top: 1rem; }