/* ============================================================================
   LearnSphere Scholars — Stylesheet
   Design system: "Admit Slip" — evokes the Pakistani board/entry-test roll
   number slip: perforated edges, serial numbers, stamped fields.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:        #16233F;
  --ink-soft:   #3B4A6B;
  --paper:      #F6F3EC;
  --paper-2:    #EFEADD;
  --line:       #D8D2C4;
  --gold:       #C89B3C;
  --gold-deep:  #A87E28;
  --green:      #2F6B4F;
  --maroon:     #8C2F39;
  --white:      #FFFFFF;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 4px;
  --shadow: 0 1px 2px rgba(22,35,63,0.06), 0 8px 24px -12px rgba(22,35,63,0.15);
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.container{
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--gold-deep);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------------------------------------------------------------------------
   Eyebrow / labels / mono utility text
   ------------------------------------------------------------------------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.mono{ font-family: var(--font-mono); }

/* ---------------------------------------------------------------------------
   Header / Nav
   ------------------------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,243,236,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 72px;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  white-space: nowrap;
}

.brand-mark{
  width: 34px; height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.nav-links{
  display:flex;
  align-items:center;
  gap: 28px;
}

.nav-links a{
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav-links a:hover, .nav-links a.active{
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.nav-cta{
  background: var(--ink);
  color: var(--paper) !important;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background .15s;
}
.nav-cta:hover{ background: var(--ink-soft); }

.nav-toggle{
  display:none;
  background:none; border:none;
  width: 40px; height: 40px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span{ display:block; width: 22px; height: 2px; background: var(--ink); }

@media (max-width: 860px){
  .nav-links{
    position: absolute;
    top: 72px; left:0; right:0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 24px 20px;
    gap: 14px;
    display: none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }
}

/* ---------------------------------------------------------------------------
   Hero — "Admit Slip"
   ------------------------------------------------------------------------- */
.hero{
  padding: 64px 0 56px;
}

.slip{
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow);
  padding: 40px 40px 32px;
  overflow: hidden;
}

.slip::before{
  content:"";
  position:absolute;
  left:0; right:0; top:128px;
  border-top: 2px dashed var(--line);
}

@media (max-width: 700px){
  .slip::before{ display:none; }
}

.slip-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 24px;
  padding-bottom: 28px;
  flex-wrap: wrap;
}

.slip-serial{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  text-align:right;
}
.slip-serial b{ color: var(--ink); display:block; font-size:13px; letter-spacing:0.04em; }

.hero-eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--maroon);
  margin-bottom: 14px;
  display:inline-block;
}

.hero h1{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 760px;
  margin-bottom: 18px;
}

.hero h1 em{
  font-style: italic;
  color: var(--gold-deep);
}

.hero p.lede{
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 560px;
  margin-bottom: 28px;
}

.hero-actions{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .12s ease, background .15s, border-color .15s;
}
.btn:active{ transform: translateY(1px); }

.btn-primary{
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover{ background: var(--ink-soft); }

.btn-outline{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover{ background: var(--ink); color: var(--paper); }

.btn-gold{
  background: var(--gold);
  color: var(--ink);
}
.btn-gold:hover{ background: var(--gold-deep); color: var(--white); }

/* Stamped fields row (the three sections as slip fields) */
.slip-fields{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.slip-field{
  padding: 20px 18px;
  border-right: 1px solid var(--line);
  transition: background .15s;
}
.slip-field:last-child{ border-right:none; }
.slip-field:hover{ background: var(--paper); }

.slip-field .field-label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display:block;
  margin-bottom: 6px;
}

.slip-field .field-value{
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.slip-field .field-arrow{
  color: var(--gold-deep);
  transition: transform .15s;
}
.slip-field:hover .field-arrow{ transform: translateX(3px); }

@media (max-width: 700px){
  .slip-fields{ grid-template-columns: 1fr; }
  .slip-field{ border-right:none; border-bottom: 1px solid var(--line); }
  .slip-field:last-child{ border-bottom:none; }
}

/* ---------------------------------------------------------------------------
   Sections / generic page structure
   ------------------------------------------------------------------------- */
.section{ padding: 56px 0; }
.section-tight{ padding: 32px 0; }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.section-head h2{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: -0.01em;
}

.section-head p{
  color: var(--ink-soft);
  max-width: 480px;
  font-size: 15px;
}

.breadcrumb{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.breadcrumb a{ color: var(--ink-soft); border-bottom: 1px dotted var(--ink-soft); }
.breadcrumb a:hover{ color: var(--ink); }
.breadcrumb .sep{ margin: 0 6px; opacity:.5; }
.breadcrumb .current{ color: var(--ink); }

/* Divider — torn-edge motif */
.torn-divider{
  height: 1px;
  background-image: linear-gradient(to right, var(--line) 60%, transparent 0%);
  background-size: 10px 1px;
  background-repeat: repeat-x;
  margin: 8px 0 0;
}

/* ---------------------------------------------------------------------------
   Card grids
   ------------------------------------------------------------------------- */
.grid{
  display:grid;
  gap: 18px;
}
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-5{ grid-template-columns: repeat(5, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

@media (max-width: 960px){
  .grid-3, .grid-5{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px){
  .grid-3, .grid-5, .grid-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  display:block;
  position:relative;
}
.card:hover{ border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow); }

.card .card-code{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: 0.08em;
  display:block;
  margin-bottom: 10px;
}

.card h3{
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card p{
  font-size: 14px;
  color: var(--ink-soft);
}

.card .card-foot{
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  display:flex;
  align-items:center;
  gap: 6px;
}

/* Tag pill */
.tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid currentColor;
}
.tag-green{ color: var(--green); }
.tag-maroon{ color: var(--maroon); }
.tag-gold{ color: var(--gold-deep); }

/* ---------------------------------------------------------------------------
   Home — "why us" / how it works
   ------------------------------------------------------------------------- */
.stat-row{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  margin: 8px 0 0;
}
.stat{ text-align:left; }
.stat .num{
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
}
.stat .label{
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 2px;
}
@media (max-width: 700px){
  .stat-row{ grid-template-columns: repeat(2, 1fr); }
}

/* ---------------------------------------------------------------------------
   Resource list (notes / textbooks / past papers / past tests)
   ------------------------------------------------------------------------- */
.resource-tabs{
  display:flex;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
  overflow-x:auto;
}
.resource-tab{
  background:none; border:none;
  padding: 12px 4px;
  margin-right: 22px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.resource-tab.active{
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.resource-list{ display:flex; flex-direction:column; gap: 0; }

.resource-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.resource-row:hover{ background: rgba(200,155,60,0.06); }

.resource-info h4{
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.resource-meta{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 3px;
}

.subject-group{ margin-bottom: 22px; }
.subject-group:last-child{ margin-bottom: 0; }

.subject-heading{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
  padding: 10px 4px 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2px;
}

.resource-row-locked{
  background: rgba(140,47,57,0.05);
}
.resource-row-locked:hover{ background: rgba(140,47,57,0.1); }
.resource-row-locked h4{ color: var(--maroon); display:flex; align-items:center; gap:6px; }

.resource-empty{
  padding: 32px 4px;
  color: var(--ink-soft);
  font-size: 14px;
  font-style: italic;
}

/* Quick facts / test date slips */
.fact-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  margin-bottom: 8px;
}
.fact{
  background: var(--white);
  padding: 16px 18px;
}
.fact .field-label{
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display:block;
  margin-bottom: 4px;
}
.fact .field-value{ font-size: 14.5px; font-weight: 600; color: var(--ink); }
@media (max-width:600px){ .fact-grid{ grid-template-columns: 1fr; } }

.date-slip{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--maroon);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.date-slip .dl{ font-size: 14.5px; font-weight: 600; }
.date-slip .dn{ font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.date-slip .dd{ font-family: var(--font-mono); font-size: 14px; color: var(--maroon); font-weight: 600; white-space:nowrap; }

/* ---------------------------------------------------------------------------
   CTA banner
   ------------------------------------------------------------------------- */
.cta-band{
  background: var(--ink);
  color: var(--paper);
  border-radius: 6px;
  padding: 44px 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h3{
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  max-width: 460px;
}
.cta-band p{ color: #C7CEDE; margin-top: 8px; font-size: 14.5px; }

/* ---------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer{
  background: var(--ink);
  color: var(--paper);
  margin-top: 64px;
  padding: 56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(246,243,236,0.15);
}
@media (max-width: 700px){
  .footer-grid{ grid-template-columns: 1fr; }
}
.footer-brand{
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin-bottom: 10px;
}
.footer-tagline{ color: #AEB7CC; font-size: 14px; max-width: 320px; }

.footer-col h5{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.footer-col a, .footer-col p{
  display:block;
  color: #C7CEDE;
  font-size: 14.5px;
  margin-bottom: 10px;
  transition: color .15s;
}
.footer-col a:hover{ color: var(--paper); }

.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 12.5px;
  color: #8994AC;
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------------------------
   How-to-post note box (shown on section pages to remind the owner)
   ------------------------------------------------------------------------- */
.owner-note{
  border: 1px dashed var(--gold-deep);
  background: rgba(200,155,60,0.08);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.owner-note b{ color: var(--ink); }

/* Utility */
.mt-8{ margin-top:8px;} .mt-16{ margin-top:16px;} .mt-24{ margin-top:24px;} .mt-40{ margin-top:40px;}
.text-center{ text-align:center; }

.sr-only{
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}