/* ─── RESET & BASE ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Georgia', 'Times New Roman', serif;
  color: #212121;
  background: #fff;
  line-height: 1.85;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }

/* ─── VARIABLES ─────────────────────────────────── */
:root {
  --brown-dark:    #4E2B10;
  --brown-primary: #7B4A1E;
  --brown-medium:  #A0622D;
  --brown-light:   #C8813A;
  --cream:         #FFF8F0;
  --cream-pale:    #FDF5EC;
  --orange-accent: #E07A2F;
  --green-accent:  #5A8C3C;
  --black:         #212121;
  --white:         #FFFFFF;
  --gray-100:      #F5F5F5;
  --gray-200:      #EEEEEE;
  --gray-400:      #BDBDBD;
  --gray-600:      #757575;
  --radius:        8px;
  --shadow:        0 2px 16px rgba(0,0,0,0.09);
  --shadow-hover:  0 6px 24px rgba(0,0,0,0.15);
}

/* ─── UTILITY ────────────────────────────────────── */
.container     { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; color: var(--black); margin-bottom: 8px; }
.section-sub   { color: var(--gray-600); font-size: 1.05rem; margin-bottom: 40px; font-style: italic; }
.badge {
  display: inline-block; padding: 4px 12px;
  background: var(--cream); color: var(--brown-dark);
  border-radius: 30px; font-size: .78rem; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  margin-bottom: 14px; font-family: 'Helvetica Neue', Arial, sans-serif;
}
.btn-primary {
  display: inline-block; padding: 14px 32px;
  background: var(--brown-primary); color: var(--white);
  border-radius: var(--radius); font-weight: 700;
  font-size: 1rem; font-family: 'Helvetica Neue', Arial, sans-serif;
  transition: background .2s, transform .15s;
  letter-spacing: .3px;
}
.btn-primary:hover { background: var(--brown-dark); transform: translateY(-2px); }
.btn-outline {
  display: inline-block; padding: 13px 30px;
  border: 2px solid rgba(255,255,255,.55); color: var(--white);
  border-radius: var(--radius); font-weight: 600;
  font-size: 1rem; font-family: 'Helvetica Neue', Arial, sans-serif;
  transition: border-color .2s, background .2s;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.1); }

/* ─── HEADER ─────────────────────────────────────── */
header {
  background: var(--white);
  border-bottom: 2px solid var(--brown-primary);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px; gap: 24px;
}
header .logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.1rem;
  color: var(--brown-dark); white-space: nowrap;
}
header .logo img { height: 38px; width: 38px; border-radius: 50%; object-fit: cover; }
header .logo span { color: var(--brown-dark); }
header nav { flex: 1; }
header nav ul {
  display: flex; gap: 6px; list-style: none;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}
header nav a {
  font-size: .88rem; font-weight: 600; color: var(--black);
  padding: 7px 12px; border-radius: 6px;
  transition: background .15s, color .15s;
}
header nav a:hover { background: var(--cream); color: var(--brown-primary); }
.nav-cta {
  background: var(--brown-primary); color: var(--white);
  border: none; cursor: pointer;
  padding: 10px 22px; border-radius: var(--radius);
  font-weight: 700; font-size: .9rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  transition: background .2s;
  text-decoration: none; display: inline-block;
}
.nav-cta:hover { background: var(--brown-dark); }

/* ─── HAMBURGER / MOBILE NAV ──────────────────────── */
.menu-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 10px;
  flex-direction: column; justify-content: center; gap: 5px;
  flex-shrink: 0; z-index: 101;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--brown-dark);
  transition: transform .3s, opacity .3s; border-radius: 2px;
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-cta { display: none; }
  header nav ul {
    display: none; position: fixed;
    top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 2px solid var(--brown-primary);
    flex-direction: column; padding: 8px 0; gap: 0;
    z-index: 99; box-shadow: 0 4px 12px rgba(0,0,0,.15);
  }
  header nav ul.open { display: flex; }
  header nav li { border-bottom: 1px solid #eee; }
  header nav li:last-child { border-bottom: none; }
  header nav a { display: block; padding: 14px 24px; font-size: 1rem; border-radius: 0; color: var(--black); }
  header nav a:hover { background: var(--cream); }
}

/* ─── ARTICLE LAYOUT ─────────────────────────────── */
.article-page { background: #fff; }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
  padding: 40px 0 60px;
}
.breadcrumb {
  font-size: 0.82rem;
  color: #757575;
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--brown-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.article-header { margin-bottom: 24px; }
.article-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 12px;
}
.article-meta {
  font-size: 0.85rem;
  color: #757575;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.article-excerpt {
  font-size: 1.08rem;
  color: #424242;
  line-height: 1.7;
  border-left: 4px solid var(--brown-primary);
  padding-left: 18px;
  margin-bottom: 28px;
}
.article-body h2 {
  font-size: clamp(1.2rem, 4vw, 1.45rem);
  color: var(--brown-dark);
  margin: 40px 0 14px;
  padding-top: 8px;
  border-bottom: 2px solid var(--cream);
  padding-bottom: 8px;
}
.article-body h3 {
  font-size: clamp(1rem, 3vw, 1.1rem);
  color: var(--black);
  margin: 26px 0 10px;
}
.article-body p { line-height: 1.75; margin-bottom:1.5rem; color: #333; }
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 18px;
}
.article-body li { line-height: 1.75; margin-bottom: 6px; color: #333; }
.article-body a { color: var(--brown-primary); }

/* ─── TABLES ─────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 20px 0 28px; }
.care-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.care-table th {
  background: var(--brown-dark);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}
.care-table td { padding: 9px 14px; border-bottom: 1px solid #E0E0E0; }
.care-table tr:nth-child(even) td { background: var(--cream-pale); }

/* ─── CALLOUT BOXES ──────────────────────────────── */
.box {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 22px 0;
  font-size: 0.95rem;
  line-height: 1.65;
}
.box strong { display: block; margin-bottom: 4px; font-size: 1rem; }
.box-info  { background: var(--cream-pale); border-left: 4px solid var(--brown-primary); color: #4E2B10; }
.box-warn  { background: #FFFDE7; border-left: 4px solid #F9A825; color: #5D4037; }
.box-danger{ background: #FFEBEE; border-left: 4px solid #C62828; color: #5D1A1A; }
.box-tip   { background: #E8F5E9; border-left: 4px solid #2E7D32; color: #1A3A1A; }

/* ─── PRODUCT CALLOUT ─────────────────────────────── */
.product-callout {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: center;
  background: var(--cream-pale);
  border: 1px solid #E5C9A8;
  border-radius: var(--radius);
  padding: 16px;
  margin: 24px 0;
}
.product-callout-img {
  width: 80px; height: 80px;
  background: var(--cream);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}
.product-callout-body h4 { margin: 0 0 4px; font-size: 1rem; color: var(--black); }
.product-callout-body p  { margin: 0 0 10px; font-size: 0.88rem; color: #555; }
.product-callout-body a.btn-primary { font-size: 0.85rem; padding: 7px 16px; text-decoration: none; }

/* ─── CHECKLIST ──────────────────────────────────── */
.checklist { list-style: none; padding-left: 0; }
.checklist li {
  padding: 7px 0 7px 30px;
  position: relative;
  border-bottom: 1px solid #F0F0F0;
  color: #333;
  line-height: 1.6;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brown-primary);
  font-weight: 700;
}

/* ─── FAQ ────────────────────────────────────────── */
.faq-section { margin: 40px 0; }
.faq-item { border-bottom: 1px solid #E0E0E0; padding: 18px 0; }
.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
}
.faq-answer { color: #424242; line-height: 1.7; }

/* ─── RELATED ARTICLES ───────────────────────────── */
.related-section { margin: 50px 0 20px; }
.related-section h2 { font-size: 1.3rem; margin-bottom: 20px; border-bottom: 2px solid var(--cream); padding-bottom: 8px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.related-card {
  border: 1px solid #E0E0E0;
  border-radius: var(--radius);
  padding: 16px;
  text-decoration: none;
  color: var(--black);
  transition: box-shadow 0.2s, transform 0.2s;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.related-card-tag { font-size: 0.75rem; color: var(--brown-primary); font-weight: 600; text-transform: uppercase; margin-bottom: 6px; }
.related-card h4 { font-size: 0.95rem; margin: 0; line-height: 1.4; }

/* ─── ARTICLE DISCLOSURE ──────────────────────────── */
.article-disclosure {
  background: var(--cream-pale);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.82rem;
  color: #5D3A1A;
  margin: 30px 0;
  line-height: 1.6;
}

/* ─── SIDEBAR ────────────────────────────────────── */
.article-sidebar { position: sticky; top: 90px; }
.sidebar-toc {
  background: var(--cream-pale);
  border: 1px solid #E5C9A8;
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.sidebar-toc h3 { font-size: 0.95rem; color: var(--brown-dark); margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.05em; }
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { margin-bottom: 2px; }
.toc-list a {
  font-size: 0.85rem;
  color: #424242;
  text-decoration: none;
  display: block;
  padding: 5px 8px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  line-height: 1.4;
}
.toc-list a:hover { background: var(--cream); color: var(--brown-dark); }
.sidebar-product {
  background: #fff;
  border: 1px solid #E0E0E0;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  font-size: 0.88rem;
}
.sidebar-product h4 { margin: 0 0 6px; font-size: 0.92rem; }
.sidebar-product p  { margin: 0 0 10px; color: #555; line-height: 1.5; }
.sidebar-product a.btn-primary { font-size: 0.82rem; padding: 7px 14px; text-decoration: none; }
.sidebar-disclosure { font-size: 0.78rem; color: #757575; line-height: 1.55; }
.sidebar-disclosure a { color: var(--brown-primary); }

/* ─── FOOTER ──────────────────────────────────────── */
footer {
  background: #2A1506;
  color: rgba(255,255,255,.75);
  padding: 56px 0 0;
  margin-top: 4rem;
}
.ftr-wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.ftr-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.ftr-brand img { height: 52px; width: auto; margin-bottom: 16px; display: block; }
.ftr-brand p { font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.55); font-style: italic; }
.ftr-disc {
  margin-top: 18px; padding: 14px 16px;
  background: rgba(255,255,255,.05);
  border-left: 3px solid var(--orange-accent);
  border-radius: 0 4px 4px 0;
  font-size: .8rem; color: rgba(255,255,255,.5); line-height: 1.6;
}
.ftr-col h4 {
  font-size: .8rem; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  color: rgba(255,255,255,.4); margin-bottom: 16px;
}
.ftr-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ftr-col ul li a { font-size: .88rem; color: rgba(255,255,255,.65); text-decoration: none; transition: color .15s; }
.ftr-col ul li a:hover { color: var(--orange-accent); }
.ftr-btm {
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
  font-size: .8rem; color: rgba(255,255,255,.35);
}
.ftr-btm a { display: inline-block; color: rgba(255,255,255,.35); margin-right: 16px; }
.ftr-btm a:hover { color: rgba(255,255,255,.7); }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .ftr-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .product-callout { grid-template-columns: 1fr; }
  .product-callout-img { width: 60px; height: 60px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-meta { gap: 10px; }
  .ftr-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .ftr-wrap  { padding: 0 14px; }
  .article-layout { padding: 20px 0 40px; }
  .article-body h2 { margin: 28px 0 10px; }
  .article-body p  { font-size: 0.97rem; }
  .article-body li { font-size: 0.97rem; }
  .breadcrumb { white-space: normal; word-break: break-word; }
  .care-table { font-size: 0.82rem; }
  .care-table th, .care-table td { padding: 8px 10px; }
  .btn-primary { padding: 14px 20px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .faq-question { font-size: 1rem; }
  .article-disclosure { padding: 12px 14px; font-size: 0.8rem; }
  .ftr-btm { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ftr-btm a { margin-right: 0; }
  .box { padding: 14px 16px; }
}