:root {
  --color-primary: #15803D;
  --color-secondary: #22C55E;
  --color-accent: #CA8A04;
  --color-neutral-dark: #14532D;
  --color-neutral-light: #F0FDF4;
  --font-heading: 'Noto Serif KR', serif;
  --font-body: 'Noto Sans KR', sans-serif;
  --radius: 12px;
  --max-width: 1200px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-neutral-dark);
  background: var(--color-neutral-light);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-heading); color: var(--color-neutral-dark); line-height: 1.25; font-weight: 700; margin: 0 0 1rem; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; }

/* === Layout === */
.container { width: 100%; max-width: var(--max-width); margin-inline: auto; padding-inline: 1.25rem; }
.section { padding-block: 4rem; }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.narrow { max-width: 720px; }

/* === Header === */
.site-header {
  background: var(--color-neutral-light);
  border-bottom: 1px solid rgba(20,83,45,0.08);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 0.75rem; gap: 1rem; }
.logo img { height: 72px; width: auto; display: block; }
.nav-toggle {
  background: transparent; border: none; color: var(--color-neutral-dark);
  cursor: pointer; padding: 0.5rem; display: inline-flex;
}
.primary-nav { display: none; flex-direction: column; gap: 0.25rem; width: 100%; padding-block: 1rem; }
.primary-nav.is-open { display: flex; }
.primary-nav a {
  color: var(--color-neutral-dark); font-weight: 500; padding: 0.6rem 0.25rem;
  border-bottom: 1px solid rgba(20,83,45,0.08);
}
.primary-nav a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 768px) {
  .logo img { height: 96px; }
  .nav-toggle { display: none; }
  .primary-nav { display: flex; flex-direction: row; align-items: center; gap: 1.75rem; width: auto; padding-block: 0; }
  .primary-nav a { border-bottom: none; padding: 0.25rem 0; }
}

/* === Hero fullscreen === */
.hero-fullscreen {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; color: var(--color-neutral-light); text-align: center;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(rgba(20,83,45,0.45), rgba(20,83,45,0.65));
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; padding-block: 4rem; }
.hero-content h1 { color: var(--color-neutral-light); max-width: 24ch; margin-inline: auto; }
.hero-sub {
  color: rgba(240,253,244,0.92); font-size: 1.1rem;
  max-width: 48ch; margin: 1rem auto 2rem;
}

/* === Buttons === */
.btn {
  display: inline-block; padding: 0.9rem 2rem; border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
  border: none; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: #a4700a; }
.btn-accent { background: var(--color-neutral-light); color: var(--color-neutral-dark); }
.btn-accent:hover { background: #fff; }

/* === Intro section === */
.intro-section { background: #fff; }
.intro-section.alt { background: var(--color-neutral-light); }
.intro-grid { display: grid; gap: 2.5rem; align-items: center; }
.intro-image img { border-radius: var(--radius); aspect-ratio: 4/5; object-fit: cover; }
@media (min-width: 900px) {
  .intro-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

/* === Highlights === */
.highlights { background: var(--color-neutral-light); }
.grid { display: grid; gap: 1.5rem; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: #fff; padding: 2rem 1.5rem; border-radius: var(--radius);
  border: 1px solid rgba(20,83,45,0.08);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card .icon { color: var(--color-primary); margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; margin-bottom: 0; }
a.card-link { display: block; color: inherit; text-decoration: none; }
a.card-link:hover { transform: translateY(-3px); box-shadow: 0 12px 24px -12px rgba(20,83,45,0.25); text-decoration: none; }

/* === Testimonial === */
.testimonial-section { background: #fff; }
.testimonial {
  max-width: 780px; margin: 0 auto; text-align: center;
  font-family: var(--font-heading); position: relative; padding: 2rem 1rem;
}
.testimonial p { font-size: 1.35rem; line-height: 1.6; color: var(--color-neutral-dark); }
.testimonial cite { display: block; margin-top: 1.5rem; font-style: normal; font-family: var(--font-body); color: var(--color-primary); font-weight: 500; }

/* === CTA band === */
.cta-band { background: var(--color-primary); color: var(--color-neutral-light); padding-block: 4rem; text-align: center; }
.cta-band h2 { color: var(--color-neutral-light); }
.cta-band p { color: rgba(240,253,244,0.9); margin-bottom: 2rem; max-width: 52ch; margin-inline: auto; }
.cta-inner .btn { margin-top: 0.5rem; }

/* === Contact band === */
.contact-band { background: var(--color-neutral-light); text-align: center; }
.contact-list { list-style: none; padding: 0; margin: 1.5rem auto 0; max-width: 560px; text-align: left; }
.contact-list li { padding: 0.5rem 0; border-bottom: 1px solid rgba(20,83,45,0.1); }
.contact-list strong { display: inline-block; min-width: 5rem; color: var(--color-primary); }

/* === Form === */
.form-section { background: #fff; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.contact-form label { display: flex; flex-direction: column; gap: 0.35rem; font-weight: 500; }
.contact-form input, .contact-form textarea {
  padding: 0.75rem 0.9rem; border: 1px solid rgba(20,83,45,0.2); border-radius: 8px;
  font: inherit; background: var(--color-neutral-light); color: var(--color-neutral-dark);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form-consent { flex-direction: row; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; font-weight: 400; }
.form-consent input { margin-top: 0.25rem; }

/* === FAQ === */
.faq-section { background: var(--color-neutral-light); }
.faq-section details {
  background: #fff; border-radius: 8px; padding: 1rem 1.25rem;
  margin-bottom: 0.75rem; border: 1px solid rgba(20,83,45,0.08);
}
.faq-section summary { font-weight: 600; cursor: pointer; font-family: var(--font-heading); }
.faq-section details[open] summary { margin-bottom: 0.75rem; color: var(--color-primary); }
.faq-section details p { margin-bottom: 0; }

/* === Footer === */
.site-footer { background: var(--color-neutral-dark); color: var(--color-neutral-light); padding-block: 3.5rem 1.5rem; }
.site-footer h3 { color: var(--color-neutral-light); font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: var(--color-neutral-light); }
.site-footer .logo img { height: 72px; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.tagline { color: rgba(240,253,244,0.75); font-size: 0.95rem; }
.footer-grid { display: grid; gap: 2rem; }
.footer-nav { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-contact p { margin-bottom: 0.5rem; color: rgba(240,253,244,0.85); font-size: 0.95rem; }
.legal-links { margin-top: 1rem; font-size: 0.85rem; color: rgba(240,253,244,0.7); }
.legal-links a { color: rgba(240,253,244,0.85); }
.copyright { border-top: 1px solid rgba(240,253,244,0.15); margin-top: 2.5rem; padding-top: 1.5rem; text-align: center; }
.copyright p { margin: 0; font-size: 0.85rem; color: rgba(240,253,244,0.65); }
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1.2fr; }
}

/* === Cookie banner === */
.cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem;
  display: none; z-index: 9999;
  background: var(--color-neutral-dark); color: var(--color-neutral-light);
  padding: 1.25rem 1.5rem; border-radius: 12px;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.4);
  max-width: 640px;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { margin: 0 0 1rem; font-size: 0.9rem; color: rgba(240,253,244,0.9); }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner__actions button {
  padding: 0.55rem 1rem; border-radius: 6px; border: 1px solid rgba(240,253,244,0.25);
  background: transparent; color: var(--color-neutral-light); font: inherit; cursor: pointer;
}
.cookie-banner__actions button[data-cookie-accept] { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.cookie-banner__prefs { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.cookie-banner__prefs label { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; }
.cookie-banner__prefs button {
  margin-left: auto; padding: 0.5rem 0.9rem; background: var(--color-primary);
  color: #fff; border: none; border-radius: 6px; cursor: pointer; font: inherit;
}
@media (min-width: 640px) { .cookie-banner { left: auto; right: 1.5rem; bottom: 1.5rem; } }