:root {
  --paper: #f3f0e7;
  --paper-deep: #e7e1d3;
  --ink: #20332a;
  --forest: #214f3b;
  --moss: #71806a;
  --rust: #a65f3c;
  --line: #c9c2b3;
  --white: #fffdf7;
  --serif: "Iowan Old Style", "Noto Serif KR", "Batang", serif;
  --sans: "Pretendard", "Noto Sans KR", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.75;
}
a { color: inherit; }
img { max-width: 100%; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav, .wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  text-decoration: none;
}
.brand-mark { width: 38px; height: 40px; object-fit: contain; }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font: 700 1rem var(--serif); letter-spacing: .06em; }
.brand-copy small { margin-top: 4px; color: var(--moss); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; }
.nav-link { text-decoration: none; font-size: .9rem; }
.nav-link:hover, .nav-link.active { color: var(--rust); }
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: clamp(600px, calc(100svh - 72px), 760px);
  padding: 86px 0 112px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-slides {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: var(--paper-deep);
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  background-position: center;
  background-size: cover;
  transform: scale(1.015);
  transition: opacity 1.35s ease, transform 8s ease;
}
.hero-slide.is-active { opacity: 1; transform: scale(1.055); }
.hero-slide:nth-child(1) { background-image: url("/assets/hero/hero-01-dawn.jpg"); background-position: 58% center; }
.hero-slide:nth-child(2) { background-image: url("/assets/hero/hero-02-forest.jpg"); background-position: 64% center; }
.hero-slide:nth-child(3) { background-image: url("/assets/hero/hero-03-coast.jpg"); background-position: 58% center; }
.hero-slide:nth-child(4) { background-image: url("/assets/hero/hero-04-rain.jpg"); background-position: 60% center; }
.hero-slide:nth-child(5) { background-image: url("/assets/hero/hero-05-library.jpg"); background-position: 57% center; }
.hero-slide:nth-child(6) { background-image: url("/assets/hero/hero-06-field.jpg"); background-position: 61% center; }
.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(243, 240, 231, .97) 0%, rgba(243, 240, 231, .91) 38%, rgba(243, 240, 231, .62) 63%, rgba(243, 240, 231, .22) 100%),
    linear-gradient(0deg, rgba(243, 240, 231, .35), transparent 45%);
}
.hero-content { position: relative; }
.eyebrow { color: var(--rust); text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; font-weight: 700; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.25; }
h1 { max-width: 820px; margin: 14px 0 24px; font-size: clamp(2.8rem, 7vw, 6.4rem); font-weight: 500; letter-spacing: -.045em; }
.hero-copy { max-width: 660px; font-size: 1.1rem; color: #526158; }
.hero-controls {
  position: absolute;
  right: max(20px, calc((100% - 1120px) / 2));
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  color: var(--ink);
  background: rgba(255, 253, 247, .76);
  border: 1px solid rgba(32, 51, 42, .22);
  backdrop-filter: blur(12px);
}
.hero-arrow,
.hero-toggle,
.hero-dot {
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
  cursor: pointer;
}
.hero-arrow {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  font-size: 1rem;
}
.hero-dots { display: flex; align-items: center; gap: 7px; }
.hero-dot {
  width: 7px;
  height: 7px;
  background: rgba(32, 51, 42, .35);
  border-radius: 50%;
  transition: width .25s ease, border-radius .25s ease, background .25s ease;
}
.hero-dot.is-active { width: 22px; background: var(--forest); border-radius: 999px; }
.hero-toggle {
  min-width: 58px;
  padding: 4px 8px;
  border-left: 1px solid rgba(32, 51, 42, .2);
  font-size: .72rem;
}
.hero-arrow:hover,
.hero-toggle:hover { color: var(--rust); }
.hero-arrow:focus-visible,
.hero-toggle:focus-visible,
.hero-dot:focus-visible { outline: 2px solid var(--rust); outline-offset: 3px; }
.section { padding: 72px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-head h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.3rem); font-weight: 500; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  display: block;
  padding: 26px;
  min-height: 250px;
  color: inherit;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px #20332a14; }
.card h3 { font-size: 1.55rem; margin: 18px 0 10px; }
.card p { color: #5e695f; }
.meta { display: flex; gap: 12px; font-size: .78rem; color: var(--moss); }
.button {
  display: inline-block;
  padding: 11px 18px;
  background: var(--forest);
  color: white;
  border: 1px solid var(--forest);
  text-decoration: none;
  cursor: pointer;
}
.button.secondary { background: transparent; color: var(--forest); }
.prose { max-width: 760px; font-family: var(--serif); font-size: 1.08rem; }
.prose h2 { margin-top: 2.2em; }
.about-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: center; gap: 72px; }
.about-logo { margin: 0; padding: 22px; background: #f3f3f2; border: 1px solid var(--line); }
.about-logo img { display: block; width: 100%; height: auto; }
.form { max-width: 700px; display: grid; gap: 18px; }
label { display: grid; gap: 7px; font-size: .86rem; font-weight: 700; }
input, textarea, select {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0;
  font: inherit;
}
textarea { min-height: 180px; resize: vertical; }
.notice { padding: 14px 16px; background: #e3eadf; border-left: 3px solid var(--forest); margin-bottom: 20px; }
.honeypot { position: absolute; left: -9999px; }
.site-footer { padding: 42px 0; border-top: 1px solid var(--line); color: #687168; font-size: .85rem; }
@media (max-width: 760px) {
  .nav { flex-wrap: wrap; gap: 13px 20px; padding: 15px 0; }
  .brand { flex-basis: 100%; }
  .brand-mark { width: 34px; height: 36px; }
  .hero { min-height: 650px; padding: 68px 0 120px; }
  .hero::before {
    background:
      linear-gradient(90deg, rgba(243, 240, 231, .94), rgba(243, 240, 231, .72)),
      linear-gradient(0deg, rgba(243, 240, 231, .55), transparent 55%);
  }
  .hero-slide { background-position: 68% center; }
  .hero-copy { font-size: 1rem; }
  .hero-controls {
    right: 20px;
    bottom: 24px;
    left: 20px;
    justify-content: center;
  }
  .grid { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; gap: 34px; }
  .about-logo { width: min(260px, 100%); }
  .section { padding: 52px 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: none; transform: none; }
  .hero-slide.is-active { transform: none; }
  .hero-dot { transition: none; }
}