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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: #0f172a;
  color: #e5eefc;
  line-height: 1.7;
  word-break: keep-all;
}

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

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.92);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand {
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 12px;
  color: #b8c4d9;
}

.main-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  color: #d8e2f0;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a:hover {
  color: #ffffff;
}

.header-call,
.big-phone,
.btn-primary,
.cta-strip a,
.footer-phone a,
.post-box a,
.call-box a {
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  color: #08111f;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(34, 211, 238, 0.18);
}

.header-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  height: 48px;
  border-radius: 999px;
  padding: 0 18px;
  font-size: 14px;
}

/* hero */
.hero-section {
  padding: 38px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
}

.hero-copy,
.hero-panel-card,
.content-card,
.symptom-card,
.reason-card,
.process-card,
.post-box,
.cta-strip,
.sidebar-panel,
.call-box {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(2, 8, 23, 0.28);
}

.hero-copy {
  padding: 40px;
  background:
    radial-gradient(circle at top right, rgba(96,165,250,0.20), transparent 28%),
    linear-gradient(180deg, rgba(17,24,39,0.98), rgba(15,23,42,0.98));
}

.eyebrow,
.label-badge,
.post-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.eyebrow {
  margin-bottom: 18px;
  background: rgba(96,165,250,0.14);
  color: #d7e7ff;
  border: 1px solid rgba(96,165,250,0.16);
}

.hero-copy h1 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -1.4px;
}

.lead {
  margin: 0;
  font-size: 17px;
  color: #d7e1ee;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  height: 52px;
  border-radius: 14px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 900;
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
}

.quick-tags,
.region-tags,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.quick-tags span,
.region-tags span,
.tag-row span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  color: #d9e5f5;
  font-size: 13px;
  font-weight: 800;
}

.hero-panel-card {
  padding: 26px;
  height: 100%;
}

.hero-panel-card h2 {
  margin: 0 0 14px;
  font-size: 28px;
  color: #fff;
}

.check-list {
  margin: 0 0 18px;
  padding-left: 20px;
  color: #d7e1ee;
}

.check-list li + li {
  margin-top: 8px;
}

.big-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  border-radius: 16px;
  font-size: 22px;
}

.panel-note {
  margin: 12px 0 0;
  color: #b6c4d8;
  font-size: 13px;
}

/* common layout */
.page-main {
  padding: 8px 0 80px;
}

.content-section {
  margin-top: 28px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2,
.content-card h1,
.content-card h2,
.content-card h3 {
  margin: 0 0 10px;
  color: #fff;
  line-height: 1.3;
  letter-spacing: -0.4px;
}

.section-head h2 {
  font-size: 34px;
}

.section-head p,
.content-card p {
  margin: 0;
  color: #d7e1ee;
  font-size: 15px;
}

.label-badge {
  margin-bottom: 12px;
  background: rgba(34,211,238,0.10);
  color: #c4f5ff;
  border: 1px solid rgba(34,211,238,0.14);
}

/* index cards */
.symptom-grid,
.reason-grid,
.process-grid,
.posts-grid {
  display: grid;
  gap: 18px;
}

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

.reason-grid,
.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.symptom-card,
.reason-card,
.process-card,
.post-box,
.content-card {
  padding: 24px;
}

.symptom-card strong,
.reason-card strong,
.process-card strong,
.post-box h3 {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
  color: #fff;
}

.symptom-card p,
.reason-card p,
.process-card p,
.post-box p {
  color: #d7e1ee;
  font-size: 15px;
}

.process-card b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 12px;
  color: #08111f;
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  font-weight: 900;
}

.post-kicker {
  margin-bottom: 12px;
  background: rgba(96,165,250,0.14);
  color: #d6e7ff;
}

.post-box a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  height: 42px;
  border-radius: 12px;
  margin-top: 14px;
  padding: 0 16px;
  font-size: 13px;
}

/* article page */
.article-hero {
  margin-bottom: 24px;
}

.article-hero h1 {
  font-size: 40px;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.section-block + .section-block {
  margin-top: 28px;
}

.info-list {
  display: flex;
  flex-direction: column;
}

.info-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.info-item:last-child {
  border-bottom: 0;
}

.info-item strong {
  color: #fff;
  font-size: 15px;
}

.bullet-list {
  margin: 0;
  padding-left: 20px;
  color: #d7e1ee;
}

.bullet-list li + li {
  margin-top: 8px;
}

/* sidebar */
.sidebar-wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-panel {
  padding: 22px;
  position: sticky;
  top: 96px;
}

.sidebar-panel h3 {
  margin: 0 0 12px;
  font-size: 22px;
  color: #fff;
}

.sidebar-links {
  display: grid;
  gap: 10px;
}

.sidebar-links a {
  display: block;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: #d7e1ee;
}

.call-box {
  padding: 18px;
}

.call-box strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 18px;
}

.call-box a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  border-radius: 12px;
  font-size: 15px;
}

/* faq */
.faq-card {
  margin-top: 28px;
}

.faq-list {
  display: grid;
  gap: 18px;
}

.faq-item {
  padding-top: 18px;
  border-top: 1px dashed rgba(255,255,255,0.12);
}

.faq-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 21px;
  color: #fff;
}

/* cta */
.cta-strip {
  margin-top: 28px;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-left: 6px solid #22d3ee;
}

.cta-strip h2 {
  margin: 0 0 6px;
  font-size: 30px;
  color: #fff;
}

.cta-strip p {
  margin: 0;
  color: #d7e1ee;
}

.cta-strip a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  min-height: 58px;
  padding: 0 24px;
  border-radius: 14px;
  font-size: 20px;
}

/* footer */
.site-footer {
  margin-top: 42px;
  padding: 34px 0 40px;
  background: rgba(7,12,23,0.92);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.footer-info strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 18px;
}

.footer-info p {
  margin: 4px 0;
  color: #b8c4d9;
  font-size: 14px;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}

.footer-menu a {
  color: #d7e1ee;
  font-size: 14px;
}

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

.footer-phone a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  height: 54px;
  border-radius: 12px;
  padding: 0 20px;
  font-size: 18px;
}

.footer-phone p {
  margin: 10px 0 0;
  color: #b8c4d9;
  font-size: 13px;
}

/* responsive */
@media (max-width: 1180px) {
  .symptom-grid,
  .posts-grid {
    grid-template-columns: 1fr 1fr;
  }

  .reason-grid,
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1100px) {
  .hero-grid,
  .article-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .sidebar-panel {
    position: static;
  }

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

  .hero-copy h1 {
    font-size: 42px;
  }

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 12px 0;
  }

  .brand-wrap {
    align-items: center;
    text-align: center;
  }

  .main-nav {
    justify-content: center;
    gap: 14px;
  }

  .hero-section {
    padding: 24px 0 18px;
  }

  .hero-copy,
  .hero-panel-card,
  .content-card,
  .symptom-card,
  .reason-card,
  .process-card,
  .post-box,
  .cta-strip,
  .sidebar-panel,
  .call-box {
    padding: 22px;
  }

  .hero-copy h1,
  .article-hero h1 {
    font-size: 32px;
  }

  .lead,
  .section-head p,
  .symptom-card p,
  .reason-card p,
  .process-card p,
  .post-box p,
  .faq-item p,
  .bullet-list li {
    font-size: 14px;
  }

  .symptom-grid,
  .reason-grid,
  .process-grid,
  .posts-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .cta-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn,
  .header-call,
  .big-phone,
  .cta-strip a,
  .footer-phone a {
    width: 100%;
    min-width: 100%;
  }

  .section-head h2,
  .cta-strip h2 {
    font-size: 24px;
  }

  .post-box h3,
  .faq-item h3 {
    font-size: 20px;
  }

  .info-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}