:root {
  --color-primary: #0f766e;
  --color-primary-dark: #115e59;
  --color-accent: #c2410c;
  --color-text: #172026;
  --color-text-muted: #52606d;
  --color-border: #d8e1e8;
  --color-surface: #f5f7f8;
  --color-surface-strong: #e6f1ef;
  --color-white: #ffffff;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.06);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 72px;
  --max-width: 1200px;
  --font-sans: Inter, Pretendard, system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
    linear-gradient(180deg, #fcfdfd 0%, #f4f7f7 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(194, 65, 12, 0.35);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -64px;
  transform: translateX(-50%);
  padding: 12px 18px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-md);
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: var(--space-3xl) 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.section-heading h2,
.page-hero h1,
.hero-copy h1 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
}

.page-hero h1,
.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.eyebrow {
  margin: 0 0 var(--space-md);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.hero-subtitle,
.section-lead,
.section-heading p,
.feature-card p,
.info-card p,
.trust-card p,
.process-step p,
.faq-item p,
.contact-card,
.form-note,
.site-footer p {
  color: var(--color-text-muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(252, 253, 253, 0.84);
  border-bottom: 1px solid rgba(216, 225, 232, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: 80px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark strong,
.footer-brand {
  display: block;
  font-size: 1.02rem;
}

.brand-mark small {
  color: var(--color-text-muted);
}

.brand-mark__badge {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
  box-shadow: var(--shadow-card);
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav a:not(.btn-secondary) {
  font-weight: 600;
  color: var(--color-text-muted);
}

.main-nav a[aria-current="page"] {
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: 10px;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-primary {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.25);
}

.btn-secondary {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.88);
  color: var(--color-text);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
}

.hero {
  padding: 64px 0 var(--space-3xl);
}

.hero-layout,
.split-section,
.contact-layout,
.footer-layout {
  display: grid;
  gap: var(--space-xl);
}

.hero-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  align-items: center;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.hero-stats,
.service-ticker,
.contact-list,
.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.hero-stats li,
.hero-panel__card,
.hero-panel__note,
.feature-card,
.info-card,
.metric-card,
.trust-card,
.process-step,
.cta-card,
.contact-card,
.contact-form,
.faq-item {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(216, 225, 232, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.hero-stats li {
  padding: 18px;
}

.hero-stats strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.6rem;
}

.hero-panel {
  display: grid;
  gap: var(--space-md);
}

.hero-panel__card,
.hero-panel__note,
.feature-card,
.info-card,
.metric-card,
.trust-card,
.process-step,
.contact-card,
.contact-form {
  padding: var(--space-lg);
}

.panel-label {
  margin: 0 0 10px;
  color: var(--color-accent);
  font-weight: 700;
}

.photo-card {
  display: grid;
  gap: 12px;
  padding: 12px;
  align-content: start;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(216, 225, 232, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.photo-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 6px);
}

.photo-card--portrait img {
  aspect-ratio: 4 / 5;
}

.photo-card figcaption {
  padding: 0 4px 2px;
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.inline-photo {
  display: grid;
  gap: 12px;
}

.inline-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

.inline-photo figcaption {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.service-ticker li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-ticker li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.service-ticker strong {
  color: var(--color-primary-dark);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-3,
.trust-grid,
.process-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.surface-section {
  background: linear-gradient(180deg, rgba(230, 241, 239, 0.65) 0%, rgba(245, 247, 248, 0) 100%);
}

.split-section {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}

.info-stack {
  display: grid;
  gap: var(--space-lg);
}

.trust-grid,
.process-grid {
  display: grid;
  gap: var(--space-lg);
}

.metric-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1;
}

.detail-list,
.check-list {
  padding-left: 1.2rem;
  color: var(--color-text-muted);
}

.detail-list li + li,
.check-list li + li {
  margin-top: 10px;
}

.business-note {
  margin-top: var(--space-lg);
}

.trust-card strong,
.process-step h3 {
  display: block;
  margin-bottom: 10px;
}

.process-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--color-surface-strong);
  color: var(--color-primary-dark);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: var(--space-md);
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0;
  padding: 0 24px 22px;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.95), rgba(17, 94, 89, 0.98)),
    var(--color-primary);
  color: var(--color-white);
}

.cta-card .eyebrow,
.cta-card h2,
.cta-card p,
.cta-card .btn-secondary {
  color: inherit;
}

.cta-card .btn-secondary {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.page-hero {
  padding: 80px 0 24px;
}

.contact-layout,
.footer-layout {
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fbfcfc;
  color: var(--color-text);
}

.form-feedback {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 118, 110, 0.16);
  background: rgba(230, 241, 239, 0.85);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer {
  padding: var(--space-xl) 0 var(--space-2xl);
  border-top: 1px solid rgba(216, 225, 232, 0.8);
  background: rgba(255, 255, 255, 0.72);
}

.footer-layout {
  align-items: start;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-meta {
  text-align: right;
}

@media (max-width: 960px) {
  .hero-layout,
  .split-section,
  .contact-layout,
  .footer-layout,
  .grid-3,
  .trust-grid,
  .process-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(var(--max-width), calc(100% - 32px));
  }

  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-soft);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 40px;
  }

  .section {
    padding: 56px 0;
  }
}