/* ============================================
   ANTIQUE POCKET WATCH - Main Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:        #b8860b;
  --gold-light:  #d4a017;
  --gold-pale:   #f5ecd7;
  --brown-dark:  #2c1a0e;
  --brown-mid:   #5a3a1a;
  --brown-light: #8b5e3c;
  --cream:       #fdf8f0;
  --cream-dark:  #f0e6cc;
  --text:        #2c1a0e;
  --text-light:  #6b4c2a;
  --white:       #ffffff;
  --border:      #d4b896;
  --shadow:      rgba(44,26,14,0.15);
  --max-width:   1140px;
  --nav-height:  64px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.7;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: 'Georgia', serif;
  color: var(--brown-dark);
  line-height: 1.3;
}
h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); margin-bottom: .8rem; border-bottom: 2px solid var(--gold); padding-bottom: .4rem; }
h2.no-border { border-bottom: none; padding-bottom: 0; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); margin-bottom: .6rem; color: var(--brown-mid); }
h4 { font-size: 1rem; color: var(--brown-light); margin-bottom: .4rem; }

p { margin-bottom: 1rem; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); text-decoration: underline; }

ul, ol { padding-left: 1.4rem; margin-bottom: 1rem; }
li { margin-bottom: .35rem; }

strong { color: var(--brown-dark); }
em { font-style: italic; }

hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* --- Layout --- */
.site-wrapper { display: flex; flex-direction: column; min-height: 100vh; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 2rem;
  align-items: start;
}

.content-grid.reversed {
  grid-template-columns: 260px 1fr;
}

@media (max-width: 860px) {
  .content-grid,
  .content-grid.reversed { grid-template-columns: 1fr; }
}

/* --- Header --- */
.site-header {
  background: var(--brown-dark);
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px var(--shadow);
}

/* Header banner image — sits above the nav bar */
.site-header-banner {
  width: 100%;
  max-height: 149px;
  overflow: hidden;
  display: block;
  line-height: 0;
}

.site-header-banner img {
  width: 100%;
  height: 149px;
  object-fit: cover;
  object-position: center;
  display: block;
}

@media (max-width: 780px) {
  .site-header-banner img {
    height: 80px;
  }
}
@media (max-width: 480px) {
  .site-header-banner img {
    height: 56px;
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .main { font-size: 1.1rem; font-weight: bold; color: var(--gold-light); letter-spacing: .03em; }
.logo-text .sub  { font-size: .7rem; color: var(--cream-dark); letter-spacing: .08em; text-transform: uppercase; }

/* --- Nav --- */
.main-nav { display: flex; align-items: center; gap: .1rem; }

.main-nav a {
  color: var(--cream-dark);
  font-size: .82rem;
  padding: .45rem .7rem;
  border-radius: 4px;
  transition: background .2s, color .2s;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: .03em;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(180,130,0,.25);
  color: var(--gold-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: .35rem .6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--brown-dark);
    flex-direction: column;
    align-items: stretch;
    padding: .5rem 1rem 1rem;
    border-bottom: 2px solid var(--gold);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .6rem .5rem; border-bottom: 1px solid rgba(212,160,23,.15); }
}

/* --- Hero Banner --- */
.hero {
  background: linear-gradient(135deg, var(--brown-dark) 0%, #3d2510 60%, #1a0d05 100%);
  color: var(--cream);
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(184,134,11,.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cg fill='none' stroke='%23b8860b' stroke-width='1'%3E%3Ccircle cx='40' cy='40' r='28'/%3E%3Ccircle cx='40' cy='40' r='20'/%3E%3Ccircle cx='40' cy='40' r='3'/%3E%3Cline x1='40' y1='8' x2='40' y2='14'/%3E%3Cline x1='40' y1='66' x2='40' y2='72'/%3E%3Cline x1='8' y1='40' x2='14' y2='40'/%3E%3Cline x1='66' y1='40' x2='72' y2='40'/%3E%3Cline x1='17' y1='17' x2='21.2' y2='21.2'/%3E%3Cline x1='58.8' y1='58.8' x2='63' y2='63'/%3E%3Cline x1='63' y1='17' x2='58.8' y2='21.2'/%3E%3Cline x1='21.2' y1='58.8' x2='17' y2='63'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 80px 80px;
  opacity: 0.045;
  pointer-events: none;
}

.hero-ornament {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  display: block;
  line-height: 1;
}

.hero h1 {
  color: var(--gold-light);
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: .75rem;
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--cream-dark);
  max-width: 660px;
  margin: 0 auto 1.5rem;
}

.hero-cta {
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: .65rem 1.5rem;
  border-radius: 4px;
  font-family: Georgia, serif;
  font-size: .92rem;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--brown-dark);
  border-color: var(--gold);
  font-weight: bold;
}
.btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--brown-dark); text-decoration: none; }

.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border-color: var(--gold);
}
.btn-outline:hover { background: rgba(184,134,11,.15); text-decoration: none; }

/* --- Breadcrumb --- */
.breadcrumb {
  background: var(--cream-dark);
  border-bottom: 1px solid var(--border);
  padding: .6rem 0;
  font-size: .82rem;
  color: var(--text-light);
}
.breadcrumb a { color: var(--gold); }
.breadcrumb span { margin: 0 .4rem; color: var(--border); }

/* --- Main Content Area --- */
.page-main { padding: 2.5rem 0; flex: 1; }

.content-body { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 2rem; box-shadow: 0 2px 8px var(--shadow); }

.content-body img { max-width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--border); }

.img-left  { float: left;  margin: 0 1.5rem 1rem 0; max-width: 220px; }
.img-right { float: right; margin: 0 0 1rem 1.5rem;  max-width: 220px; }
.img-center { display: block; margin: 1.5rem auto; max-width: 100%; }
.clearfix::after { content: ''; display: table; clear: both; }

/* --- Cards / Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 6px var(--shadow);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}

.card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px var(--shadow); }

.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--cream-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-body { padding: 1rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 1rem; margin-bottom: .4rem; }
.card-body p  { font-size: .85rem; color: var(--text-light); margin-bottom: .75rem; flex: 1; }
.card-body a  { font-size: .85rem; }

/* --- Sidebar --- */
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

.sidebar-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 6px var(--shadow);
}

.sidebar-box-title {
  background: var(--brown-dark);
  color: var(--gold-light);
  padding: .65rem 1rem;
  font-size: .88rem;
  font-weight: bold;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.sidebar-box-body { padding: 1rem; }
.sidebar-box-body ul { padding-left: 0; list-style: none; }
.sidebar-box-body li { padding: .35rem 0; border-bottom: 1px solid var(--cream-dark); font-size: .88rem; }
.sidebar-box-body li:last-child { border-bottom: none; }
.sidebar-box-body li a { color: var(--brown-mid); }
.sidebar-box-body li a:hover { color: var(--gold); }

/* --- AdSense placeholders --- */
.adsense-block {
  background: var(--cream-dark);
  border: 1px dashed var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: var(--text-light);
  text-align: center;
  padding: .5rem;
}
.adsense-leaderboard { width: 100%; min-height: 90px; }
.adsense-rectangle  { width: 100%; min-height: 250px; }
.adsense-inline     { width: 100%; min-height: 100px; margin: 1.5rem 0; }

/* AdSense inside sidebar */
.sidebar .adsense-block { min-height: 250px; }

/* --- Serial Number Tables --- */
.serial-table { width: 100%; border-collapse: collapse; font-size: .88rem; margin: 1.5rem 0; }
.serial-table th { background: var(--brown-dark); color: var(--gold-light); padding: .55rem .75rem; text-align: left; }
.serial-table td { padding: .45rem .75rem; border-bottom: 1px solid var(--cream-dark); }
.serial-table tr:nth-child(even) td { background: var(--cream); }
.serial-table tr:hover td { background: var(--gold-pale); }
.serial-table caption { font-size: .8rem; color: var(--text-light); margin-bottom: .5rem; text-align: left; }

/* --- Info / Callout Boxes --- */
.callout {
  background: var(--gold-pale);
  border-left: 4px solid var(--gold);
  border-radius: 0 4px 4px 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: .95rem;
}

.callout-info  { border-color: #4a90d9; background: #eef5fd; }
.callout-warn  { border-color: #c97a00; background: #fff8ea; }
.callout-tip   { border-color: #2a8a4a; background: #edfbf1; }

/* --- Parts / Glossary list --- */
.glossary-list { columns: 2; column-gap: 2rem; }
@media (max-width: 600px) { .glossary-list { columns: 1; } }
.glossary-list li { break-inside: avoid; font-size: .88rem; }
.glossary-list li a { color: var(--brown-mid); }

/* --- Page index / TOC --- */
.toc { background: var(--cream-dark); border: 1px solid var(--border); border-radius: 6px; padding: 1rem 1.25rem; margin: 1.5rem 0; }
.toc h4 { margin-bottom: .5rem; color: var(--brown-dark); }
.toc ol  { margin-bottom: 0; }
.toc li  { font-size: .88rem; margin-bottom: .2rem; }

/* --- Footer --- */
.site-footer {
  background: var(--brown-dark);
  color: var(--cream-dark);
  padding: 2.5rem 0 1rem;
  border-top: 3px solid var(--gold);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 { color: var(--gold-light); font-size: .9rem; margin-bottom: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: .35rem; }
.footer-col a  { color: var(--cream-dark); font-size: .85rem; text-decoration: none; }
.footer-col a:hover { color: var(--gold-light); }
.footer-col p { font-size: .85rem; line-height: 1.6; color: #b09070; }

.footer-bottom {
  border-top: 1px solid rgba(212,160,23,.3);
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .78rem;
  color: #7a5c40;
}

.footer-bottom a { color: #9a7c5a; }

/* --- Responsive tweaks --- */
@media (max-width: 600px) {
  .content-body { padding: 1.25rem; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .img-left, .img-right { float: none; margin: 0 0 1rem; max-width: 100%; }
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-gold   { color: var(--gold); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.tag {
  display: inline-block;
  background: var(--gold-pale);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: .75rem;
  padding: .15rem .45rem;
  color: var(--brown-mid);
  margin: .1rem;
}

/* Print */
@media print {
  .site-header, .site-footer, .sidebar, .adsense-block, .nav-toggle { display: none; }
  .content-grid { grid-template-columns: 1fr; }
  body { background: #fff; color: #000; }
}