/* ============================================================
   서면 피부관리 — Article Page Common CSS
   ============================================================ */

/* ─── Variables (메인 사이트와 동일) ───────────────────────── */
:root {
  --clr-primary:    #8b6f5e;
  --clr-primary-dk: #6e5447;
  --clr-primary-lt: #c4a898;
  --clr-accent:     #c9a87c;
  --clr-accent-lt:  #e8d5b7;
  --clr-dark:       #1a1612;
  --clr-dark-2:     #2c2318;
  --clr-dark-3:     #3d302a;
  --clr-mid:        #7a6055;
  --clr-text:       #2c2318;
  --clr-text-muted: #7a6055;
  --clr-bg:         #faf8f5;
  --clr-bg-2:       #f4f0ea;
  --clr-white:      #ffffff;
  --clr-border:     #e8dfd5;
  --ff-serif: 'Noto Serif KR', 'Georgia', serif;
  --ff-sans:  'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --container: 820px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.14);
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--ff-sans);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ─── Container ─────────────────────────────────────────────── */
.container { width: 90%; max-width: var(--container); margin-inline: auto; }

/* ─── Site Header (공통) ────────────────────────────────────── */
.art-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(26,22,18,.95);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.art-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 5%;
  max-width: 1200px;
  margin-inline: auto;
  gap: 20px;
}
.art-header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.art-header__logo .logo-kr {
  font-family: var(--ff-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}
.art-header__logo .logo-en {
  font-size: .56rem;
  letter-spacing: .2em;
  color: var(--clr-accent-lt);
  text-transform: uppercase;
}
.art-header__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 50px;
  background: rgba(201,168,124,.15);
  border: 1px solid rgba(201,168,124,.3);
  color: var(--clr-accent-lt);
  font-size: .84rem;
  font-weight: 600;
  transition: var(--transition);
}
.art-header__back:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
  transform: translateX(-2px);
}
.art-header__back i { font-size: .8rem; }

/* ─── Hero Banner ───────────────────────────────────────────── */
.art-hero {
  position: relative;
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-dark-3) 100%);
  padding: 80px 5% 72px;
  overflow: hidden;
}
.art-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(201,168,124,.12) 0%, transparent 65%);
}
.art-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin-inline: auto;
}
.art-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.art-hero__breadcrumb a { color: var(--clr-accent-lt); transition: color var(--transition); }
.art-hero__breadcrumb a:hover { color: var(--clr-accent); }
.art-hero__breadcrumb i { font-size: .65rem; opacity: .6; }

.art-hero__badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 50px;
  background: rgba(201,168,124,.18);
  border: 1px solid rgba(201,168,124,.35);
  color: var(--clr-accent);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.art-hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
}
.art-hero__title em {
  font-style: normal;
  color: var(--clr-accent);
}
.art-hero__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}
.art-hero__meta span { display: flex; align-items: center; gap: 6px; }
.art-hero__meta i { color: var(--clr-accent); font-size: .8rem; }

/* ─── Thumbnail ─────────────────────────────────────────────── */
.art-thumb {
  width: 100%;
  max-width: var(--container);
  margin: -32px auto 0;
  position: relative;
  z-index: 2;
  padding: 0 5%;
}
.art-thumb img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/7;
  object-fit: cover;
}

/* ─── Article Body ──────────────────────────────────────────── */
.art-body {
  padding: 60px 5% 100px;
}
.art-body__inner {
  max-width: var(--container);
  margin-inline: auto;
}

/* ─── TOC (목차) ─────────────────────────────────────────────── */
.art-toc {
  background: var(--clr-bg-2);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 44px;
}
.art-toc__title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.art-toc ol {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.art-toc ol li { font-size: .9rem; color: var(--clr-text-muted); }
.art-toc ol li a {
  color: var(--clr-primary-dk);
  font-weight: 500;
  transition: color var(--transition);
}
.art-toc ol li a:hover { color: var(--clr-accent); }

/* ─── Content Typography ─────────────────────────────────────── */
.art-content { font-size: 1rem; line-height: 1.9; color: var(--clr-text); }

.art-content h2 {
  font-family: var(--ff-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin: 52px 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--clr-border);
  position: relative;
}
.art-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 48px; height: 2px;
  background: var(--clr-accent);
}
.art-content h3 {
  font-family: var(--ff-serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--clr-primary-dk);
  margin: 36px 0 12px;
}
.art-content p { margin-bottom: 20px; }
.art-content p:last-child { margin-bottom: 0; }

.art-content strong { color: var(--clr-primary-dk); font-weight: 700; }
.art-content em { color: var(--clr-accent); font-style: normal; font-weight: 600; }

/* ─── Highlight Box ──────────────────────────────────────────── */
.art-highlight {
  background: linear-gradient(135deg, #fff8f0 0%, #fdf3e7 100%);
  border: 1px solid var(--clr-accent-lt);
  border-left: 4px solid var(--clr-accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0;
}
.art-highlight p { margin: 0; font-size: .95rem; color: var(--clr-primary-dk); line-height: 1.85; }
.art-highlight strong { color: var(--clr-accent); }

/* ─── Info Cards ─────────────────────────────────────────────── */
.art-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 28px 0;
}
.art-card-item {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  text-align: center;
  transition: var(--transition);
}
.art-card-item:hover {
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.art-card-item__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent-lt), var(--clr-bg-2));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.2rem;
  color: var(--clr-primary);
}
.art-card-item h4 {
  font-family: var(--ff-serif);
  font-size: .95rem;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 8px;
}
.art-card-item p { font-size: .82rem; color: var(--clr-text-muted); margin: 0; line-height: 1.7; }

/* ─── Ordered / Unordered Lists ─────────────────────────────── */
.art-content ul,
.art-content ol {
  margin: 18px 0 22px 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.art-content ul li,
.art-content ol li {
  position: relative;
  padding-left: 26px;
  font-size: .97rem;
  color: var(--clr-text);
  line-height: 1.75;
}
.art-content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: .65em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-accent);
}
.art-content ol { counter-reset: ol-counter; }
.art-content ol li { counter-increment: ol-counter; }
.art-content ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0; top: .1em;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--clr-accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}

/* ─── Step Process ───────────────────────────────────────────── */
.art-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 28px 0;
  position: relative;
}
.art-steps::before {
  content: '';
  position: absolute;
  left: 23px; top: 28px; bottom: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-primary-lt));
}
.art-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 20px 20px 0;
  position: relative;
  z-index: 1;
}
.art-step__num {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--clr-accent);
  color: #fff;
  font-family: var(--ff-serif);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(201,168,124,.4);
}
.art-step__body h4 {
  font-family: var(--ff-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 6px;
}
.art-step__body p { font-size: .9rem; color: var(--clr-text-muted); margin: 0; line-height: 1.75; }

/* ─── CTA Box ────────────────────────────────────────────────── */
.art-cta {
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-dark-3) 100%);
  border-radius: var(--radius-lg);
  padding: 52px 44px;
  text-align: center;
  margin-top: 64px;
  position: relative;
  overflow: hidden;
}
.art-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(201,168,124,.15) 0%, transparent 65%);
}
.art-cta__inner { position: relative; z-index: 1; }
.art-cta h3 {
  font-family: var(--ff-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.4;
}
.art-cta h3 em { font-style: normal; color: var(--clr-accent); }
.art-cta p { color: rgba(255,255,255,.65); font-size: .95rem; margin-bottom: 32px; }
.art-cta__btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.art-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--ff-sans);
  font-size: .93rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.art-btn--primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 6px 24px rgba(201,168,124,.4);
}
.art-btn--primary:hover { background: var(--clr-primary); transform: translateY(-2px); }
.art-btn--ghost {
  background: transparent;
  color: rgba(255,255,255,.8);
  border: 1.5px solid rgba(255,255,255,.3);
}
.art-btn--ghost:hover { background: rgba(255,255,255,.1); color: #fff; transform: translateY(-2px); }

/* ─── Related Articles ──────────────────────────────────────── */
.art-related {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 2px solid var(--clr-border);
}
.art-related__title {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.art-related__title::before {
  content: '';
  width: 22px; height: 2px;
  background: var(--clr-accent);
  flex-shrink: 0;
}
.art-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.art-related-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-white);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}
.art-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary-lt);
}
.art-related-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.art-related-card__body {
  padding: 14px 16px;
}
.art-related-card__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--clr-accent-lt);
  color: var(--clr-primary-dk);
  font-size: .7rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.art-related-card h4 {
  font-family: var(--ff-serif);
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-dark);
  line-height: 1.45;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.art-footer {
  background: var(--clr-dark);
  padding: 40px 5%;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.06);
}
.art-footer p { font-size: .82rem; color: rgba(255,255,255,.35); margin-bottom: 6px; }
.art-footer a { color: var(--clr-accent-lt); }
.art-footer a:hover { color: var(--clr-accent); }

/* ─── Floating CTA ───────────────────────────────────────────── */
.art-float {
  position: fixed;
  right: 22px; bottom: 30px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.art-float-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border-radius: 50px;
  color: #fff;
  font-family: var(--ff-sans);
  font-weight: 700;
  font-size: .84rem;
  box-shadow: 0 6px 24px rgba(0,0,0,.22);
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.art-float-btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 10px 32px rgba(0,0,0,.28); }
.art-float-btn--call { background: linear-gradient(135deg, #4caf6e, #2e7d45); }
.art-float-btn--sms  { background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary)); }
.art-float-btn i { font-size: .95rem; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  .art-hero { padding: 60px 5% 56px; }
  .art-hero__title { font-size: 1.6rem; }
  .art-cta { padding: 36px 24px; }
  .art-cta h3 { font-size: 1.3rem; }
  .art-float { right: 12px; bottom: 20px; }
  .art-float-btn { padding: 11px 16px; font-size: .8rem; }
  .art-related__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .art-related__grid { grid-template-columns: 1fr; }
  .art-cards { grid-template-columns: 1fr 1fr; }
}

/* ─── Data Table ─────────────────────────────────────────────── */
.art-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-family: var(--ff-sans);
  font-size: .9rem;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(44,35,24,.07);
}
.art-table caption {
  font-family: var(--ff-serif);
  font-size: .85rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-align: left;
  padding: 0 0 10px 4px;
  caption-side: top;
}
.art-table thead th {
  background: var(--clr-dark);
  color: var(--clr-accent-lt);
  padding: 14px 18px;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .04em;
  text-align: left;
}
.art-table tbody tr {
  border-bottom: 1px solid var(--clr-border, #ede8e0);
  transition: background .15s;
}
.art-table tbody tr:last-child { border-bottom: none; }
.art-table tbody tr:hover { background: var(--clr-bg-2, #f4f0ea); }
.art-table tbody td {
  padding: 13px 18px;
  color: var(--clr-text);
  vertical-align: top;
  line-height: 1.6;
}
.art-table tbody td strong { color: var(--clr-primary-dk); }
@media (max-width: 600px) {
  .art-table { font-size: .8rem; }
  .art-table thead th,
  .art-table tbody td { padding: 10px 12px; }
}