@import url("https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&display=swap");

:root {
  --paper: #faf7f0;
  --paper-deep: #f2eadc;
  --ink: #2b2621;
  --muted: #6f6258;
  --line: #e3d9ca;
  --green: #1f3a2e;
  --green-dark: #152b22;
  --card: #fffdf8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Gowun Batang", "Noto Serif KR", "Nanum Myeongjo", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.82;
  word-break: keep-all;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 5vw, 72px);
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: inherit;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  gap: 26px;
  font-size: 16px;
  color: var(--muted);
  letter-spacing: -0.02em;
}
.nav a:hover { color: var(--green); }

.hero {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  min-height: 680px;
  padding: clamp(40px, 6vw, 82px) clamp(20px, 5vw, 72px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.hero-text { max-width: 680px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
}

h1, h2, h3 { margin: 0; line-height: 1.28; letter-spacing: -0.045em; }
h1 {
  font-family: inherit;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
}

h2 {
  font-family: inherit;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 700;
}
h3 { font-size: 24px; font-weight: 700; }

.lead {
  margin: 28px 0 34px;
  max-width: 620px;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--muted);
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--green);
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--green); color: var(--paper); }
.btn.primary:hover { background: var(--green-dark); }
.btn.secondary { background: transparent; color: var(--green); }

.hero-image {
  min-height: 520px;
  border-radius: 28px;
  background: linear-gradient(90deg, rgba(250,247,240,.25), rgba(250,247,240,0)), url("assets/hero.png") center/cover no-repeat;
  border: 1px solid var(--line);
  box-shadow: 0 28px 80px rgba(43, 38, 33, 0.12);
}

.section {
  padding: clamp(72px, 9vw, 128px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}
.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 72px);
}
.copy p { margin: 0 0 22px; font-size: 19px; color: var(--muted); }
.section-heading { max-width: 840px; margin-bottom: 42px; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 18px; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.cards article, .note-card, .form-card, .process div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
}
.cards article { padding: 30px; min-height: 190px; }
.cards p, .note-card p { color: var(--muted); }

.warm { background: var(--paper-deep); }

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 36px;
}
.process div { padding: 24px; }
.process strong { display: block; font-size: 18px; margin-bottom: 8px; }
.process span { color: var(--muted); font-size: 15px; }

.form-card {
  padding: clamp(24px, 4vw, 42px);
  max-width: 980px;
}
.form-card h3 { margin-bottom: 24px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
label { display: grid; gap: 8px; margin-bottom: 16px; font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 13px 14px;
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
}
textarea { resize: vertical; }
.check { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 10px; font-weight: 500; color: var(--muted); }
.check input { width: auto; }

.notes { background: #fbf4e8; }
.note-card { padding: clamp(28px, 4vw, 42px); max-width: 840px; }
.note-card span { color: var(--green); font-weight: 700; font-size: 14px; }
.note-card h3 { margin-top: 12px; }

.footer {
  padding: 48px clamp(20px, 5vw, 72px);
  background: var(--green);
  color: var(--paper);
}
.footer strong { font-family: inherit; font-size: 28px; }
.footer p { color: rgba(250,247,240,0.82); max-width: 720px; }
.footer a { text-decoration: underline; text-underline-offset: 4px; }
.footer small { color: rgba(250,247,240,0.65); }

@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 18px 20px; }
  .nav { gap: 14px; flex-wrap: wrap; font-size: 14px; }
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-image { min-height: 360px; order: -1; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  h1 { font-size: 44px; }
  .cards, .process, .form-grid { grid-template-columns: 1fr; }
  .hero-image { min-height: 280px; border-radius: 20px; }
  .section { padding-top: 66px; padding-bottom: 66px; }
}

.form-message {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.form-message.info {
  background: #f3ede2;
  color: #3a332b;
  border: 1px solid #e5ded2;
}
.form-message.success {
  background: #e9f2ec;
  color: #1f3a2e;
  border: 1px solid #cdded3;
}
.form-message.error {
  background: #f7e8e5;
  color: #7a2f26;
  border: 1px solid #e2c4bd;
}
button[disabled] {
  opacity: 0.65;
  cursor: wait;
}