:root {
  --color-logo: #070770;
  --color-primary: #3157D5;
  --color-coral: #FF6B5E;
  --color-mint: #33BFA3;
  --color-sky: #EEF4FF;
  --color-ink: #172033;
  --color-muted: #667085;
  --color-paper: #fff;
  --color-border: #d8dfec;
  --container-width: 1180px;
  --section-spacing: 48px;
  --button-radius: 4px;
  --font-heading: 'Gmarket Sans', sans-serif;
  --font-body: 'Pretendard', sans-serif;
  --text-small: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-h3: clamp(1.25rem, 2vw, 1.5rem);
  --text-h2: clamp(1.5rem, 3vw, 2rem);
  --text-h1: clamp(1.75rem, 4vw, 2.75rem);
}
@media (max-width: 767px) {
  :root { --section-spacing: 32px; }
}

@font-face {
  font-family: 'Gmarket Sans';
  src: url('/fonts/GmarketSansMedium.woff2') format('woff2');
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Pretendard';
  src: url('/fonts/PretendardVariable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
* { box-sizing: border-box; }
html { scroll-padding-bottom: 88px; }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-body); line-height: 1.7; color: var(--color-ink); background: var(--color-paper); word-break: keep-all; overflow-wrap: anywhere; }
a { color: inherit; text-underline-offset: 0.2em; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
img { max-width: 100%; height: auto; }
.field-image-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 24px; margin-block: 24px; }
.field-image { min-width: 0; margin: 0; }
.field-image img { display: block; width: 100%; aspect-ratio: 8 / 5; object-fit: cover; }
.case-grid, .case-photo-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.case-card { display: block; min-width: 0; padding-bottom: 16px; border-bottom: 1px solid var(--color-border); text-decoration: none; }
.case-card img { display: block; width: 100%; aspect-ratio: 8 / 5; object-fit: cover; margin-bottom: 16px; }
.case-card h2 { font-size: var(--text-h3); }
.case-card p { color: var(--color-muted); }
.case-photo-groups { display: grid; gap: var(--section-spacing); }
.case-photo-group, .case-photo-grid figure { min-width: 0; }
.case-photo-grid figure { margin: 0; }
.case-photo-grid img { display: block; width: 100%; height: auto; }
.case-photo-grid figcaption { margin-top: 8px; font-size: var(--text-small); color: var(--color-muted); }
.case-facts { margin: 0; }
.case-facts > div { min-width: 0; padding-block: 16px; border-bottom: 1px solid var(--color-border); }
.case-facts dt { font-weight: 600; }
.case-facts dd { margin: 8px 0 0; }
.case-facts ul { margin: 0; padding-inline-start: 24px; }
@media (min-width: 768px) {
  .case-grid, .case-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1200px) {
  .case-grid, .case-photo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
h1, h2, h3 { font-family: var(--font-heading); font-weight: 500; line-height: 1.45; margin: 0 0 16px; }
h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
p { margin: 0 0 12px; }
.container { width: min(var(--container-width), calc(100% - 48px)); margin-inline: auto; }
main > section, .section { padding-block: var(--section-spacing); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 16px; transform: translateY(-160%); padding: 8px 16px; background: var(--color-paper); z-index: 100; }
.skip-link:focus { transform: translateY(0); }
header { border-bottom: 1px solid var(--color-border); background: var(--color-paper); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 88px; }
.brand { color: var(--color-logo); font-family: var(--font-heading); font-weight: 500; font-size: 1.375rem; text-decoration: none; flex-shrink: 0; }
.desktop-menu, .header-actions { display: flex; align-items: center; gap: 24px; }
.desktop-menu a, .header-actions a { text-decoration: none; }
.header-actions { gap: 12px; font-size: var(--text-small); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 16px; border-radius: var(--button-radius); background: var(--color-primary); color: var(--color-paper); text-decoration: none; font-weight: 600; }
.phone-action { font-weight: 600; }
.consultation-form { max-width: 900px; }
.consultation-form fieldset { min-width: 0; margin: 24px 0; padding: 16px; border: 1px solid var(--color-border); }
.consultation-form legend { font-weight: 600; }
.form-fields, .symptom-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px 24px; }
.form-field { min-width: 0; margin-bottom: 20px; }
.form-field > label { display: block; font-weight: 600; }
.consultation-form input:not([type=checkbox]), .consultation-form select, .consultation-form textarea { display: block; width: 100%; min-width: 0; min-height: 44px; padding: 10px; border: 1px solid var(--color-muted); border-radius: 4px; background: var(--color-paper); color: var(--color-ink); font: inherit; }
.consultation-form textarea { resize: vertical; }
.symptom-options label, .consent-label { display: flex; align-items: flex-start; gap: 8px; min-height: 44px; padding-block: 8px; }
.consultation-form .consent-label { display: flex; }
.consultation-form input[type=checkbox] { flex: none; width: 20px; height: 20px; margin-top: 4px; accent-color: var(--color-primary); }
.form-help { margin-top: 6px; font-size: var(--text-small); color: var(--color-muted); }
.form-error { color: var(--color-ink); font-weight: 600; }
.form-error:empty { display: none; }
.consultation-form [aria-invalid=true] { border-color: var(--color-coral); }
.consultation-form button { border: 0; font: inherit; cursor: pointer; }
.consultation-form button:disabled { opacity: 0.65; cursor: wait; }
.form-status { margin-top: 16px; font-weight: 600; }
.form-honeypot { display: none; }
.mobile-menu, .mobile-consult-bar { display: none; }
.page-title { padding-block: 32px; background: var(--color-sky); }
.page-title p { color: var(--color-muted); margin: 0; }
.desktop-menu a[aria-current="page"], .mobile-menu a[aria-current="page"] {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.4em;
}
.landing-content > section + section { border-top: 1px solid var(--color-border); }
.landing-content > section > p { max-width: 68ch; }
.section-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 24px;
}
.section-cards > article {
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-content: start;
  padding-block: 16px;
  border-top: 1px solid var(--color-border);
}
.section-cards > article > a { justify-self: start; }
footer { border-top: 1px solid var(--color-border); padding-block: var(--section-spacing) 24px; background: var(--color-sky); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 0.8fr; gap: 40px; }
.footer-grid > div { min-width: 0; }
.footer-grid h2 { font-size: var(--text-lead); }
.footer-grid p { font-size: var(--text-small); }
.footer-grid .brand { font-size: 1.375rem; }
.footer-grid a { display: block; width: fit-content; padding-block: 8px; }
.copyright { margin-top: 24px; font-size: var(--text-small); color: var(--color-muted); }
@media (max-width: 1023px) {
  .container { width: min(var(--container-width), calc(100% - 32px)); }
  .site-header { min-height: 72px; gap: 12px; }
  .desktop-menu { display: none; }
  .mobile-menu { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); padding-inline: 8px; border-top: 1px solid var(--color-border); }
  .mobile-menu a { display: flex; justify-content: center; align-items: center; min-height: 48px; padding: 8px 2px; font-size: var(--text-small); text-decoration: none; }
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }
  .mobile-consult-bar { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; background: var(--color-primary); padding-bottom: env(safe-area-inset-bottom, 0px); }
  .mobile-consult-bar a { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 60px; text-decoration: none; color: var(--color-paper); font-weight: 600; }
  .mobile-consult-bar .phone-action { background: var(--color-logo); }
}
@media (max-width: 767px) {
  .brand { font-size: 1.125rem; }
  .header-actions { gap: 8px; }
  .header-actions .phone-action { max-width: 4em; line-height: 1.4; }
  .button { padding-inline: 12px; }
  .page-title { padding-block: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

@media (min-width: 1024px) {
  :is(#water-tank, #septic, #dredging) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; align-content: start; }
  :is(#water-tank, #septic, #dredging) > * { grid-column: 1; min-width: 0; }
  :is(#water-tank, #septic, #dredging) > .field-image-gallery { grid-column: 2; grid-row: 1 / span 4; margin: 0; align-self: start; }
  #septic > * { grid-column: 2; }
  #septic > .field-image-gallery { grid-column: 1; }
}