:root {
  --color-accent: #2CA089;
  --color-dark: #2A2E35;
  --color-bg: #F7F7F8;
  --color-text: #333333;
  --color-white: #ffffff;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}
a { color: inherit; }

/* Nav — mobile first: logo + hamburger, dropdown as a full-screen panel */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2);
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav__logo { font-weight: 700; font-size: 1.1rem; }
.nav__toggle {
  background: none; border: none; font-size: 1.5rem; cursor: pointer;
}
.nav__menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 56px;
  background: var(--color-white);
  padding: var(--space-3);
  overflow-y: auto;
}
.nav__menu.is-open { display: block; }
.nav__item { display: block; padding: var(--space-2) 0; border-bottom: 1px solid #eee; font-size: 1.1rem; cursor: pointer; }
.nav__item--give {
  background: var(--color-accent);
  color: var(--color-white);
  text-align: center;
  border-radius: 6px;
  border-bottom: none;
}

/* Dropdown (교회안내) — native <details>/<summary>, no JS needed */
.nav__dropdown summary { list-style: none; }
.nav__dropdown summary::-webkit-details-marker { display: none; }
.nav__dropdown summary::after { content: " ▾"; font-size: 0.8em; opacity: 0.6; }
.nav__dropdown-panel { padding-left: var(--space-2); }
.nav__dropdown-item { display: block; padding: var(--space-1) 0; font-size: 1rem; color: #555; }

/* Utility row — secondary links, visually lighter than the main nav */
.nav__utility {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid #eee;
}
.nav__utility-item { display: block; padding: var(--space-1) 0; font-size: 0.9rem; color: #777; }

@media (min-width: 900px) {
  .nav__toggle { display: none; }
  .nav__menu {
    display: flex; flex-direction: column; align-items: flex-end;
    position: static; inset: auto; padding: 0; background: none;
  }
  .nav__main { display: flex; align-items: center; }
  .nav__item { border-bottom: none; padding: 0 var(--space-2); font-size: 1rem; }
  .nav__dropdown { position: relative; }
  .nav__dropdown-panel {
    position: absolute; top: 100%; left: var(--space-2);
    background: var(--color-white); box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 6px; padding: var(--space-1) var(--space-2); min-width: 140px;
  }
  .nav__utility {
    margin-top: 4px; padding-top: 0; border-top: none;
    display: flex; gap: var(--space-2);
  }
  .nav__utility-item { padding: 0; font-size: 0.8rem; }
}

/* Footer — always-visible service info */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-4) var(--space-2);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  max-width: 1000px;
  margin: 0 auto;
}
@media (min-width: 900px) {
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
}
.footer__title { color: var(--color-accent); font-size: 0.85rem; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: var(--space-1); }