/*
DNA Preset
- Style: Professional Friendly (정돈된 그리드 + 부드러운 라운드 + 선명한 타이포)
- Color Strategy: Cool Professional + Friendly Tint (네이비/슬레이트 기반 + 스카이블루 포인트 1색 + 라이트민트 틴트)
- Layout Pattern: Asymmetric Hero + Timeline Process + Testimonial Strip
- Section Order: Header > Hero > Trust Metrics > Service Focus > Process Timeline > Service Area & Directions > Contact Form > Business Info > Footer
- Icon Style: Duotone Line Icons
- Background Pattern: Subtle Diagonal Waves (CSS)
*/

:root {
  --navy: #1c2b3a;
  --slate: #334252;
  --sky: #5bb7ff;
  --mint: #e6f4f1;
  --white: #ffffff;
  --ink: #0f1720;
  --muted: #5d6b78;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 16px 40px rgba(28, 43, 58, 0.12);
  --shadow-soft: 0 12px 24px rgba(28, 43, 58, 0.08);
  --font: "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 18px;
  --space-4: 24px;
  --space-5: 36px;
  --space-6: 54px;
  --space-7: 80px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background-color: #f7fafb;
  line-height: 1.6;
}

.wave-bg {
  background-image:
    repeating-linear-gradient(135deg, rgba(91, 183, 255, 0.08) 0 12px, rgba(230, 244, 241, 0.18) 12px 24px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(230, 244, 241, 0.7));
  background-attachment: fixed;
}

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

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

.container {
  width: min(1160px, 90vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--sky);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(51, 66, 82, 0.08);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo {
  width: 44px;
  height: 44px;
}

.brand-name {
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  font-weight: 600;
  color: var(--slate);
}

.site-nav a {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.site-nav a:focus,
.site-nav a:hover {
  background: var(--mint);
  color: var(--navy);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(51, 66, 82, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px;
}

.menu-lines {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate);
  position: relative;
}

.menu-lines::before,
.menu-lines::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--slate);
}

.menu-lines::before {
  top: -7px;
}

.menu-lines::after {
  top: 7px;
}

.hero {
  padding: var(--space-7) 0 var(--space-6);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1.2fr 0.9fr;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 12px 0 16px;
  letter-spacing: -0.03em;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--slate);
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
}

.btn.primary {
  background: var(--sky);
  color: #0f2230;
  box-shadow: var(--shadow-soft);
}

.btn.secondary {
  background: transparent;
  border-color: rgba(28, 43, 58, 0.2);
  color: var(--navy);
}

.btn:focus-visible {
  outline: 3px solid rgba(91, 183, 255, 0.4);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-note {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  color: var(--slate);
}

.hero-art {
  background: var(--mint);
  padding: 18px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transform: translateY(10px);
}

.section-header {
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.trust-metrics {
  padding: var(--space-6) 0;
}

.metric-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.metric-card {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.metric-card h3 {
  margin: 14px 0 8px;
}

.testimonial-strip {
  margin-top: var(--space-5);
  padding: 16px 22px;
  border-radius: var(--radius-md);
  background: var(--navy);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
}

.strip-label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.service {
  padding: var(--space-6) 0;
}

.service-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.service-detail {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.clean-list {
  padding-left: 18px;
  margin: 12px 0 0;
  color: var(--slate);
}

.checklist {
  margin-top: var(--space-3);
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--mint);
  border: 1px solid rgba(91, 183, 255, 0.2);
}

.checklist h4 {
  margin: 0 0 8px;
}

.service-tip {
  margin-top: var(--space-3);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--slate);
}

.process {
  padding: var(--space-6) 0;
  background: rgba(255, 255, 255, 0.8);
}

.timeline {
  display: grid;
  gap: var(--space-4);
}

.timeline-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  background: var(--white);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.timeline-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--mint);
  border: 1px solid rgba(91, 183, 255, 0.3);
}

.area {
  padding: var(--space-6) 0;
}

.area-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.area-card {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.address {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  color: var(--slate);
  align-items: flex-start;
}

.contact {
  padding: var(--space-6) 0;
  position: relative;
}

.contact-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.badge {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-bottom: var(--space-3);
}

.contact-info {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--slate);
}

.recent-inquiry {
  margin-top: var(--space-4);
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--mint);
  border: 1px solid rgba(91, 183, 255, 0.2);
}

.recent-inquiry .empty {
  color: var(--muted);
  margin: 0;
}

.summary-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--slate);
  font-size: 0.95rem;
}

.summary-card p {
  margin: 6px 0;
}

.contact-form {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  color: var(--slate);
}

input,
textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(28, 43, 58, 0.2);
  font-family: var(--font);
  font-size: 1rem;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(91, 183, 255, 0.35);
  border-color: var(--sky);
}

.form-hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--navy);
  color: var(--white);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.business {
  padding: var(--space-6) 0 var(--space-7);
}

.business-table {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.business-table .row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(28, 43, 58, 0.08);
}

.business-table .row:last-child {
  border-bottom: none;
}

.site-footer {
  background: var(--navy);
  color: var(--white);
  padding: var(--space-5) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.95rem;
}

.icon {
  width: 22px;
  height: 22px;
  color: var(--sky);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon.duotone {
  color: var(--slate);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    transform: none;
  }

  .testimonial-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .business-table .row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-nav {
    position: absolute;
    top: 72px;
    right: 16px;
    background: var(--white);
    padding: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

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

  .header-inner {
    position: relative;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .reveal,
  .toast {
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}