/* CSS Variables - Design System */
:root {
  /* Color Palette */
  --color-primary: #2D3A4A;      /* Deep blue-gray for titles/main buttons */
  --color-secondary: #2E5D7A;    /* Stable blue for emphasis/links */
  --color-accent: #8C6D3F;       /* Bronze for hints/labels */
  
  /* Background Colors */
  --color-bg-primary: #F7F2EA;   /* Parchment - main background */
  --color-bg-card: #FFFFFF;      /* Pure white - card background */
  --color-border: #D9D1C4;       /* Border color */
  
  /* Interactive Colors */
  --color-link: #2E5D7A;
  --color-link-hover: #1F455B;
  --color-focus: #2E5D7A;
  --color-text: #2D3A4A;
  --color-text-light: #666666;
  
  /* Spacing Scale */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  
  /* Typography */
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-sans: "Arial", "Helvetica", sans-serif;
  
  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.1);
}

/* CSS Reset */
html, body, div, span, object, p, table, h1, h2, h3, blockquote, a, em, img, sub, sup, var, b, u, i, center, dl, dt, dd, ol, ul, li, form, label, tbody, tr, th, td, embed, menu, nav, output {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
}

/* Base Typography */
html, body {
  font-family: var(--font-sans);
  line-height: 1.7;
  font-size: 17px;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text);
  background-color: var(--color-bg-primary);
}

img {
  max-width: 100%;
  height: auto;
}

/* Enhanced Link Styles */
a:link {
  color: var(--color-link);
  text-decoration: none;
}

a:visited {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  transition: all 0.2s ease;
}

a:active {
  color: var(--color-link-hover);
  text-decoration: none;
}

a:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Enhanced Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  letter-spacing: 0.2px;
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  font-weight: bold;
  padding-top: var(--space-2);
  text-align: center;
  margin-bottom: var(--space-3);
}

h2 {
  font-size: 1.5rem;
  line-height: 1.2;
  font-weight: bold;
  margin-bottom: var(--space-2);
}

h3 {
  font-size: 1.25rem;
  line-height: 1.2;
  font-weight: bold;
  padding-top: var(--space-2);
  margin-bottom: var(--space-2);
}

/* Paragraph Styles */
p {
  margin: 0 0 1.2em 0;
  line-height: 1.7;
}

/* Card Design System */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-3);
  box-shadow: var(--shadow-card);
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.about-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-4);
  margin: var(--space-5) auto;
  max-width: 800px;
  box-shadow: var(--shadow-card);
}


/* Enhanced Navigation */
.topnav {
  width: 100%;
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.topnav #myLinks {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
}

.topnav #myLinks.show {
  max-height: 500px;
  opacity: 1;
}

.topnav a {
  color: var(--color-text);
  padding: var(--space-2) 0;
  text-decoration: none;
  font-size: 16px;
  display: block;
  text-align: center;
  font-weight: 500;
  transition: all 0.2s ease;
}

.topnav a:hover {
  background-color: var(--color-bg-primary);
  color: var(--color-primary);
}

.clear {
  clear: right;
}

.menuicon {
  float: right;
  vertical-align: top;
  padding-right: var(--space-2);
  padding-bottom: 3px;
  width: 33px;
  height: 33px;
  transition: transform 0.2s ease;
}

.menuicon:hover {
  transform: scale(1.05);
}

.linkcolor {
  background-color: var(--color-bg-card);
}

.brdbott {
  border-bottom: 1px solid var(--color-border);
}

/* Enhanced Search */
.cntsrch {
  text-align: center;
  padding: var(--space-3) 0;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}

.sinput {
  border: 2px solid var(--color-border);
  border-radius: 6px;
  width: min(280px, 100%);
  max-width: 360px;
  height: 44px;
  display: inline-block;
  font-size: 17px;
  padding: 0 var(--space-2);
  font-family: var(--font-sans);
  transition: all 0.2s ease;
}

.sinput:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-color: var(--color-focus);
}

.sbuttn {
  display: inline-block;
  -webkit-appearance: none;
  vertical-align: middle;
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
  color: white;
  padding: 0 var(--space-2);
  height: 44px;
  border-radius: 6px;
  margin-left: var(--space-1);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sbuttn:hover {
  background: var(--color-link-hover);
  border-color: var(--color-link-hover);
  transform: translateY(-1px);
}


/* Enhanced Bottom Navigation */
.btnav {
  width: 100%;
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-5);
}

.bottnav {
  text-align: center;
  font-size: 1em;
  padding-bottom: var(--space-3);
}

.bottsitelk {
  font-size: 0.9em;
  padding-top: var(--space-3);
  padding-bottom: var(--space-4);
  text-align: center;
  color: var(--color-text-light);
}

/* Enhanced Main Content */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-3);
}

/* Grid Layout for Series */
.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
  padding: var(--space-3);
  background: var(--color-bg-card);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.series-item {
  text-align: center;
  padding: var(--space-2);
  border-radius: 6px;
  transition: all 0.2s ease;
  min-height: 44px;
}

.series-item:hover {
  background: var(--color-bg-primary);
  transform: translateY(-2px);
}

.series-item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.3;
  text-decoration: none;
  padding: var(--space-1);
}

.series-item a:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}

.series-item a:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.series-item img {
  width: 90px;
  height: 90px;
  border-radius: 4px;
  display: block;
  object-fit: cover;
}

.series-item span {
  display: block;
  color: var(--color-link);
  font-weight: 600;
}

.subqcntr {font-size:1em; font-weight: bold;padding-top:0.1em;text-align:center;}

div.refcenter {text-align:center;padding-bottom:1em;}
.addstdy {font-size:1em;font-weight: bold;text-align:center;padding-top:0.3em;padding-bottom:0.5em;}
.bottrefdiv {font-size:1em;padding-bottom:1em;text-align:center;}
.bottreflst {font-size:1em;padding-bottom:1.5em;text-align:center;}
.socialmed {text-align: center;padding-bottom:1em;}
.next-step {
  max-width: 760px;
  margin: var(--space-3) auto var(--space-2);
  padding: var(--space-2);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 6px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.next-step p {
  margin: 0.4em 0;
}


/* Enhanced Breadcrumbs */
.crumbs {
  width: 100%;
  padding: var(--space-2);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  margin: var(--space-2) 0;
}

.crumblist {
  padding-left: var(--space-2);
  font-size: 0.9em;
  padding-top: var(--space-1);
}

.crumbinline {
  display: inline;
}

a.undrlne:link {
  text-decoration: underline;
}

.delimiter {
  font-weight: bold;
  color: var(--color-text-light);
}

/* Specialized Header Classes */
.undad {
  font-size: 1.25rem;
  font-weight: bold;
  padding-top: var(--space-4);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

h2.undadcnt {
  font-size: 1.25rem;
  font-weight: bold;
  padding-top: var(--space-3);
  text-align: center;
  padding-bottom: var(--space-2);
  line-height: 1.2;
}

h2.sechead {
  font-size: 1.25rem;
  font-weight: bold;
  text-align: center;
  padding-bottom: var(--space-2);
  padding-top: var(--space-1);
  line-height: 1.2;
}

h2.sechdtop {
  font-size: 1.25rem;
  font-weight: bold;
  text-align: center;
  padding-bottom: var(--space-2);
  line-height: 1.2;
}

h2.topsp {
  font-size: 1.25rem;
  font-weight: bold;
  padding-top: var(--space-3);
  line-height: 1.2;
}

h2.topxsp {
  font-size: 1.25rem;
  font-weight: bold;
  padding-top: var(--space-3);
  text-align: center;
  line-height: 1.2;
}

h2.midbold {
  font-size: 1.25rem;
  font-weight: bold;
  text-align: center;
  line-height: 1.2;
}

h2.midbldpd {
  font-size: 1.25rem;
  font-weight: bold;
  text-align: center;
  padding-bottom: var(--space-2);
  line-height: 1.2;
}

/* Page-specific styles */
h1.mnpg {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  padding-bottom: var(--space-2);
  padding-top: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.h2ctbdmg1 {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  padding-top: var(--space-3);
  padding-bottom: var(--space-1);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.h2ctbdmg {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.h2ctbdmg4 {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  padding-top: var(--space-4);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.h2ctbdmg2 {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  color: var(--color-primary);
  font-family: var(--font-serif);
  margin-bottom: var(--space-3);
}

.h2ctbdmg3 {
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  padding-bottom: var(--space-2);
  padding-top: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-serif);
}

.sublstpd {
  font-size: 1em;
  text-align: center;
  padding-bottom: var(--space-2);
}

.undrlinks {
  text-align: center;
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
  font-weight: 600;
}

.undrlinks a {
  color: var(--color-link);
  text-decoration: none;
  transition: all 0.2s ease;
}

.undrlinks a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

.stogtbl {
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  width: 280px;
  margin: var(--space-3) auto;
  padding: var(--space-2);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-card);
}

.stogtxt {
  font-size: 0.95em;
  text-align: center;
  line-height: 1.5;
}

a.stogadlk:link {
  color: var(--color-text);
  text-decoration: none;
}

a.stogadlk:visited {
  color: var(--color-text);
  text-decoration: none;
}

a.stogadlk:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

a.stogadlk:active {
  color: var(--color-text);
  text-decoration: none;
}

.mainsoc {
  text-align: center;
  padding: var(--space-3) 0;
}

.mainsoc a {
  display: inline-block;
  margin: 0 var(--space-1);
  transition: transform 0.2s ease;
}

.mainsoc a:hover {
  transform: scale(1.1);
}

.logoln {
  float: left;
  padding-left: var(--space-1);
}

.respimg {
  display: block;
  width: 116px;
  height: 25px;
  padding-top: 4px;
}

.srchbut {
  vertical-align: top;
  border: none;
  display: inline-block;
  -webkit-appearance: none;
  border-radius: 0;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.srchbut:hover {
  opacity: 0.8;
}

/* for divs and p */

div.cntrbld {text-align:center; font-weight: bold;}
div.bld {font-weight: bold;}
div.refcntrhd {text-align:center; font-weight: bold;padding-bottom:1em;}

div.centered {text-align:center;}
div.rghtsm {text-align: right; font-size:0.9em;}
div.cntersml {text-align:center;font-size:0.9em;margin:0.5em 0;}
div.seriestbl {text-align:center;font-size:1em;margin:0.5em 0;}
div.sertbl {text-align: center;margin-top:0.3em;margin-bottom:0.5em}
.seriesm {text-align:center;font-size:0.9em;padding-bottom:0.5em;}


div.justfy {text-align:justify;margin:1em 0;}
div.justsm {text-align:justify;font-size:0.9em;}
div.cntrsm {text-align:center; font-size:0.7em;}
div.justnomrg {text-align:justify;}
div.cntbldmrg {text-align:center; font-weight: bold;padding-bottom:0.7em;}

p {margin:1em 0;}
p.bld {font-weight: bold; margin:1em 0;}
p.centered, td.centered, th.centered, h2.centered {text-align: center;}
p.justfy {text-align:justify;margin:1em 0;}
p.cntrbld {text-align: center;font-weight: bold; margin:1em 0;}
p.cntsm {text-align: center;font-size:0.9em;margin:1em 0;}
p.cntsmlr {text-align: center;font-size:0.8em;margin:1em 0;}
p.justsm {text-align:justify;margin:1em 0;font-size:0.9em;}
p.small {margin:1em 0;font-size:0.9em;}
p.smlr {margin:1em 0;font-size:0.8em;}
p.cntrbldsm {text-align: center;font-size:0.9em; font-weight: bold;margin:1em 0;}
p.smcntmrgn {text-align: center;font-size:1em;margin:0 0 1.5em 0;}
p.midbdsmg {font-size:1em; font-weight: bold;text-align: center;padding-bottom:0.2em;}

p.sechead {font-size:1.1em; font-weight: bold;text-align: center;margin:0.7em 0;}


/* for tables */

table {vertical-align: top;}

table.seriesref {margin-left:auto;margin-right:auto;text-align:center;width:360px;}

td {vertical-align:top;}
td.td34 {vertical-align:middle;text-align:center;width:34%;}

table.center {margin-left:auto;margin-right:auto;}
.main100 {margin-left: auto;margin-right:auto;width:100%;border-spacing:0;}
.main100cnt {margin-left: auto;margin-right:auto;width:100%;border-spacing:0;text-align: center;}
table.centrall85{margin-left: auto;margin-right:auto;text-align: center;width:85%;}
td.center {text-align: center;}

td.half {width:50%;}
td.third {width:33%;}
td.quarter {width:25%;}
td.forty {width:40%;}
td.fifth {width:20%;}
table.centrall95 {margin-left: auto;margin-right:auto;text-align: center;width:95%;}

td.thirty {width:30%;}
td.tenth {width:10%;text-align: center;}
table.center100 {margin-left: auto;margin-right:auto;text-align: center;width:100%;font-size:0.9em;}

td.halfpd {width:50%;padding-bottom:0.5em;}
td.thirdpd {width:33%;padding-bottom:0.5em;}
td.halfpd1 {width:50%;padding-bottom:1em;}
td.fullpd {width:100%;padding-bottom:0.5em;}


/* RAW text sizes and spacing */

.cntr {text-align:center;}

.padtop {font-size:1em;padding-top:0.5em; }
.sublst {font-size:1em;text-align:center;padding-bottom:0.7em; }
.sublstbd {font-size:1em;text-align:center;font-weight: bold;padding-bottom:0.7em; }
.sublst1em {font-size:1em;text-align:center;padding-bottom:1em; }
.sublst15em {font-size:1em;text-align:center;padding-bottom:1.5em; }
.sublst1lf {font-size:1em;padding-bottom:1em; }

.bldmgn {font-size:1em;font-weight:bold;padding-bottom:0.3em;}
.extmgn {font-size:1em;padding-bottom:0.3em;}

.cntbld9 {font-size:0.9em;text-align:center;font-weight:bold;}
.cntrsmlr {font-size:0.7em;text-align: center;}
.cntrsmtext {font-size:0.9em;text-align: center;}
.cntrtx8bld {font-size:0.8em;text-align: center;font-weight: bold;}
.cntrtxpt9 {font-size:0.9em;text-align: center;}
.onlybld {font-weight: bold;}
.pixtxt {font-size:0.9em;text-align: center;margin:0em;}
.pixtxtbld {font-size:0.9em;text-align: center;margin:0em;font-weight: bold;}
.txtpt9bld {font-size:0.9em;font-weight: bold;}
.txtszpt9 {font-size:0.9em;}

.tblist {font-size:1em; text-align:center;font-weight: bold;padding-bottom:0.5em; }
.tblistsm {font-size:0.9em; text-align:center;padding-bottom:1em; }

.cnt15mrgn {text-align:center;font-size:1em;margin:1.5em 0 1.5em 0;}

/* for grey colored AD word */
.greytxt8 {font-size:0.8em;color: grey;}

.pixmgn {text-align:center;padding-top:0.7em;padding-bottom:0.7em;}
.cntbldbotmg {text-align:center; font-weight: bold;padding-bottom:0.5em;}

blockquote {
padding-right:2em;
padding-left:2em;
}

.ulindent {padding-left:2em;}
.olindent {padding-left:2em;}


/* test to improve page views */
.bottrefdiv {font-size:1.1em;padding-bottom:1em;text-align:center;}


/* Responsive Design - Mobile First */

/* Small screens (480px+) */
@media (min-width: 480px) {
  html, body {
    font-size: 17px;
    line-height: 1.6;
  }

  .main {
    padding: var(--space-4) var(--space-3);
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  .crumblist {
    font-size: 0.85em;
  }

  .sinput {
    width: 300px;
  }
}

/* Medium screens (641px+) */
@media (min-width: 641px) {
  html, body {
    font-size: 18px;
    line-height: 1.6;
  }

  .main {
    padding: var(--space-4) var(--space-4);
  }

  .series-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-4);
  }

  .sinput {
    width: 320px;
  }
}

/* Large screens (768px+) */
@media (min-width: 768px) {
  html, body {
    font-size: 18px;
  }

  .main {
    padding: var(--space-5) var(--space-4);
  }

  .sinput {
    width: 340px;
  }
}

/* Extra large screens (1024px+) */
@media (min-width: 1024px) {
  html, body {
    font-size: 19px;
  }

  .main {
    padding: var(--space-5) var(--space-5);
  }

  .sinput {
    width: 360px;
  }
}

/* XXL screens (1201px+) */
@media (min-width: 1201px) {
  html, body {
    font-size: 20px;
  }
}

/* XXXL screens (1401px+) */
@media (min-width: 1401px) {
  .main {
    max-width: 1200px;
  }
}