/* COCO 베이스 — Reset + Type + Layout primitives */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--coco-ink);
  background: var(--coco-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(900px 600px at 100% -10%, rgba(201,169,97,.08), transparent 60%),
    radial-gradient(800px 600px at -10% 110%, rgba(31,78,61,.07), transparent 60%),
    var(--coco-bg);
}

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }

/* ===== Type scale ===== */
.h-display {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.01em;
}
.h-display em {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--coco-palm);
}
.h-1 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.005em;
}
.h-2 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.18;
}
.h-eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--coco-mute);
}
.lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.7;
  color: var(--coco-ink-soft);
  max-width: var(--maxw-text);
}
.kr { font-family: 'Pretendard', var(--ff-sans); }

/* ===== Layout primitives ===== */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: var(--pad-section) 0; position: relative; }
.section--warm { background: var(--coco-bg-warm); }

.divider {
  height: 1px; background: var(--coco-line); border: 0; width: 100%;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 500; letter-spacing: 0.02em;
  border: 1px solid var(--coco-line-strong);
  background: var(--coco-paper);
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--coco-ink); color: var(--coco-bg); border-color: var(--coco-ink);
}
.btn--primary:hover { background: var(--coco-palm); border-color: var(--coco-palm); }
.btn--gold {
  background: var(--coco-gold); color: var(--coco-ink); border-color: var(--coco-gold-deep);
}
.btn--ghost { background: transparent; }
.btn .arrow { font-family: var(--ff-mono); font-size: 13px; }

/* ===== Reveal ===== */
.rev { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rev.is-in { opacity: 1; transform: translateY(0); }
.rev-d1 { transition-delay: .08s; }
.rev-d2 { transition-delay: .16s; }
.rev-d3 { transition-delay: .24s; }
.rev-d4 { transition-delay: .32s; }

/* ===== Header ===== */
.coco-nav {
  position: sticky; top: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad);
  background: rgba(248, 244, 236, .82);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--coco-line);
}
.coco-nav__brand {
  font-family: var(--ff-display);
  font-size: 24px;
  letter-spacing: .04em;
  display: flex; align-items: center; gap: 10px;
}
.coco-nav__brand .badge {
  font-family: var(--ff-mono); font-size: 10px; letter-spacing: .14em;
  padding: 4px 8px; border-radius: var(--r-pill);
  background: var(--coco-palm); color: var(--coco-bg);
}
.coco-nav__menu {
  display: flex; align-items: center; gap: clamp(10px, 1.4vw, 18px);
}
.coco-nav__link {
  font-size: 13px; letter-spacing: .04em;
  padding: 10px 14px; border-radius: var(--r-pill);
}
.coco-nav__link:hover { background: var(--coco-bg-warm); }
.coco-nav__cta {
  border: 1px solid var(--coco-ink); padding: 10px 16px; border-radius: var(--r-pill);
  font-size: 13px; font-weight: 500;
}
.coco-nav__cta:hover { background: var(--coco-ink); color: var(--coco-bg); }
.coco-nav__burger { display: none; width: 38px; height: 38px; border: 1px solid var(--coco-line-strong); border-radius: var(--r-pill); align-items: center; justify-content: center; }
.coco-nav__burger span { display: block; width: 16px; height: 2px; background: var(--coco-ink); position: relative; }
.coco-nav__burger span::before, .coco-nav__burger span::after {
  content: ''; position: absolute; left: 0; width: 100%; height: 2px; background: var(--coco-ink);
}
.coco-nav__burger span::before { top: -6px; }
.coco-nav__burger span::after { top: 6px; }

@media (max-width: 880px) {
  .coco-nav__menu { display: none; }
  .coco-nav__burger { display: inline-flex; }
}

/* ===== Footer ===== */
.coco-foot {
  margin-top: 40px;
  padding: 60px var(--pad) 40px;
  border-top: 1px solid var(--coco-line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px 40px;
  background: var(--coco-bg-warm);
}
.coco-foot__brand { font-family: var(--ff-display); font-size: 28px; }
.coco-foot__cols { display: flex; flex-wrap: wrap; gap: 28px 48px; }
.coco-foot__col h4 { margin: 0 0 10px; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--coco-mute); font-weight: 500; }
.coco-foot__col a { display: block; font-size: 14px; padding: 6px 0; }
.coco-foot__small { grid-column: 1 / -1; font-size: 12px; color: var(--coco-mute); padding-top: 24px; border-top: 1px solid var(--coco-line); }
@media (max-width: 720px) { .coco-foot { grid-template-columns: 1fr; } }

/* ===== Skip link ===== */
.skip { position: absolute; left: -9999px; top: -9999px; }
.skip:focus { left: 12px; top: 12px; padding: 8px 14px; background: var(--coco-ink); color: var(--coco-bg); border-radius: var(--r-pill); z-index: 100; }