/* ================================================================
   STARLITE OXFORD COMPUTER — Premium Institute Design v4.0
   Aesthetic: Academic Prestige · Deep Navy · Gold · Clean White
   Inspired by: Oxford, IIT, premium global universities
   Fonts: Georgia (serif display) + system-ui (clean body)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=DM+Sans:wght@300;400;500;600;700&display=swap');

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

:root {
  /* Deep Academic Palette */
  --navy:       #0B1F3A;
  --navy-d:     #071528;
  --navy-m:     #1a3356;
  --navy-l:     #2A4A74;
  --gold:       #C8972A;
  --gold-l:     #E5B84A;
  --gold-xl:    #FDF3DC;
  --gold-pale:  #FFFBF0;
  --crimson:    #8B1A1A;
  --white:      #FFFFFF;
  --off-white:  #FAFAF8;
  --cream:      #F5F2EE;

  /* Neutrals */
  --ink:        #1A1A2E;
  --slate:      #3D4B5C;
  --mist:       #6B7A8D;
  --silver:     #B4BCC6;
  --cloud:      #E8EDF2;
  --fog:        #F2F4F7;

  /* Semantic */
  --ok:         #1A7A4A;
  --warn:       #C8740A;
  --err:        #8B1A1A;

  /* Fonts */
  --serif:      'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:       'DM Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Elevation */
  --sh-xs: 0 1px 3px rgba(11,31,58,.08);
  --sh-sm: 0 2px 8px rgba(11,31,58,.10);
  --sh:    0 4px 20px rgba(11,31,58,.12);
  --sh-lg: 0 12px 48px rgba(11,31,58,.16);
  --sh-xl: 0 24px 80px rgba(11,31,58,.20);

  /* Borders */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;
  --r-xl: 24px;

  --ease: cubic-bezier(.4,0,.2,1);
}

/* ---- BASE ---- */
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--navy-l); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }
h1,h2,h3,h4,h5 {
  font-family: var(--serif);
  line-height: 1.2;
  font-weight: 700;
  color: var(--navy);
}
p { margin: 0; }

/* ================================================================
   ANNOUNCEMENT BAR
   ================================================================ */
.sl-announce {
  background: var(--navy-d);
  color: rgba(255,255,255,.75);
  font-size: 12.5px;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: .3px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 32px;
}
.sl-announce .left { display: flex; align-items: center; gap: 18px; }
.sl-announce .right { display: flex; align-items: center; gap: 14px; }
.sl-announce a { color: var(--gold-l); transition: color .2s; }
.sl-announce a:hover { color: var(--white); }
.sl-announce .pipe { opacity: .3; }
.sl-acc-pill {
  background: var(--gold);
  color: var(--navy-d);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}

/* ================================================================
   HEADER — Prestigious University Style
   ================================================================ */
.sl-header {
  background: var(--white);
  padding: 0 32px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--cloud);
  position: relative;
}
/* Gold accent left bar */
.sl-header::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(to bottom, var(--gold), var(--gold-l), var(--gold));
}
.sl-logo {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
}
.sl-logo-seal {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 0 0 3px var(--gold), 0 0 0 6px rgba(200,151,42,.2);
}
.sl-logo-seal img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: contain;
}
.sl-logo-seal .seal-initials {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--gold);
  display: none;
}
.sl-logo-text .inst-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -.2px;
}
.sl-logo-text .inst-name em {
  font-style: italic;
  color: var(--gold);
}
.sl-logo-text .inst-sub {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--mist);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 3px;
  font-weight: 500;
}
.sl-header-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.sl-header-contact-box {
  text-align: right;
}
.sl-contact-num {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  display: block;
  line-height: 1.2;
}
.sl-contact-num i { color: var(--gold); font-size: 14px; margin-right: 4px; }
.sl-contact-email {
  font-size: 12px;
  color: var(--mist);
  margin-top: 2px;
}
.sl-header-cta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sl-btn-apply-now {
  background: var(--gold);
  color: var(--navy-d);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .22s;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(200,151,42,.35);
}
.sl-btn-apply-now:hover {
  background: var(--gold-l);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(200,151,42,.45);
  color: var(--navy-d);
}

/* ================================================================
   NAVIGATION — Clean Academic
   ================================================================ */
.sl-nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(11,31,58,.25);
}
.sl-nav-wrap {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
}
.sl-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  flex: 1;
}
.sl-nav ul li a {
  display: flex;
  align-items: center;
  padding: 16px 18px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
  transition: all .2s;
  position: relative;
  white-space: nowrap;
}
.sl-nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0; right: 100%;
  height: 3px;
  background: var(--gold);
  transition: right .25s var(--ease);
}
.sl-nav ul li a:hover,
.sl-nav ul li a.active {
  color: var(--white);
  background: rgba(255,255,255,.06);
}
.sl-nav ul li a:hover::after,
.sl-nav ul li a.active::after { right: 0; }
.sl-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  padding: 16px 20px;
  cursor: pointer;
}

/* ================================================================
   NEWS TICKER — Refined
   ================================================================ */
.sl-ticker {
  background: var(--gold-pale);
  border-bottom: 1px solid rgba(200,151,42,.25);
  display: flex;
  align-items: stretch;
  height: 38px;
  overflow: hidden;
}
.sl-ticker-label {
  background: var(--gold);
  color: var(--navy-d);
  padding: 0 20px;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  flex-shrink: 0;
}
.sl-ticker-track { overflow: hidden; flex: 1; display: flex; align-items: center; }
.sl-ticker-inner {
  display: inline-block;
  white-space: nowrap;
  animation: tickerScroll 40s linear infinite;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  padding-left: 40px;
}
.sl-ticker-inner:hover { animation-play-state: paused; }
@keyframes tickerScroll { 0% { transform: translateX(100vw); } 100% { transform: translateX(-100%); } }
.sl-ticker-dot { color: var(--gold); margin: 0 14px; }

/* ================================================================
   HERO — Grand Academic
   ================================================================ */
.sl-hero {
  position: relative;
  background: var(--navy);
  min-height: 540px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}
/* Diagonal split background */
.sl-hero::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 42%;
  background: var(--navy-m);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
}
/* Gold decorative lines */
.sl-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-l) 50%, transparent 100%);
}
/* Pattern overlay */
.sl-hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(200,151,42,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.sl-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1240px;
  margin: 0 auto;
  padding: 80px 32px;
  display: flex;
  align-items: center;
  gap: 60px;
  width: 100%;
}
.sl-hero-left { flex: 1; }
.sl-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,151,42,.15);
  border: 1px solid rgba(200,151,42,.35);
  color: var(--gold-l);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.sl-hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
.sl-hero h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -.5px;
  margin-bottom: 18px;
}
.sl-hero h1 .gold { color: var(--gold-l); }
.sl-hero h1 .light { color: rgba(255,255,255,.6); font-weight: 400; font-style: italic; }
.sl-hero-sub {
  font-family: var(--sans);
  font-size: 16px;
  color: rgba(255,255,255,.65);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 300;
}
.sl-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.sl-hero-divider {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 30px;
}
.sl-hero-stats {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(8px);
  max-width: 480px;
}
.sl-hero-stat {
  flex: 1;
  padding: 18px 16px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
}
.sl-hero-stat:last-child { border-right: none; }
.sl-hero-stat .num {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-l);
  line-height: 1;
  display: block;
}
.sl-hero-stat .lbl {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,.45);
  letter-spacing: .8px;
  text-transform: uppercase;
  margin-top: 5px;
  display: block;
}
.sl-hero-right {
  width: 340px;
  flex-shrink: 0;
  position: relative;
}
.sl-hero-card-stack {
  position: relative;
}
.sl-hero-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--sh-xl);
}
.sl-hero-card h3 {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold-xl);
}
.sl-quick-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--fog);
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
}
.sl-quick-link:last-child { border-bottom: none; }
.sl-quick-link:hover { padding-left: 6px; }
.sl-quick-link:hover .ql-icon { background: var(--navy); color: var(--white); }
.sl-quick-link:hover .ql-label { color: var(--navy); }
.ql-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--fog);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  transition: all .2s;
}
.ql-text { flex: 1; }
.ql-label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
  display: block;
  line-height: 1.2;
  transition: color .2s;
}
.ql-sub {
  font-size: 11px;
  color: var(--mist);
  margin-top: 2px;
  display: block;
}
.ql-arrow {
  color: var(--silver);
  font-size: 12px;
  transition: all .2s;
}
.sl-quick-link:hover .ql-arrow { color: var(--gold); transform: translateX(3px); }

/* ================================================================
   LAYOUT UTILITIES
   ================================================================ */
.sl-container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.sl-section { padding: 72px 32px; }
.sl-section-sm { padding: 40px 32px; }
.sl-section.cream { background: var(--cream); }
.sl-section.fog { background: var(--fog); }
.sl-section.navy { background: var(--navy); }

/* Section heading — editorial style */
.sl-sh {
  margin-bottom: 56px;
}
.sl-sh-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sl-sh-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--gold);
}
.sl-sh h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.3px;
  line-height: 1.2;
}
.sl-sh h2 em { font-style: italic; color: var(--gold); }
.sl-sh p {
  font-size: 15px;
  color: var(--mist);
  max-width: 540px;
  margin-top: 12px;
  font-weight: 300;
  line-height: 1.75;
}
.sl-sh.center { text-align: center; }
.sl-sh.center .sl-sh-eyebrow { justify-content: center; }
.sl-sh.center .sl-sh-eyebrow::before { display: none; }
.sl-sh.center .sl-sh-eyebrow::after { content: ''; display: inline-block; width: 28px; height: 2px; background: var(--gold); }
.sl-sh.center p { margin-left: auto; margin-right: auto; }

/* Grid */
.sl-g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.sl-g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.sl-g4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ================================================================
   FEATURE / PILLAR CARDS
   ================================================================ */
.sl-pillar {
  background: var(--white);
  border: 1px solid var(--cloud);
  border-radius: var(--r-lg);
  padding: 34px 26px;
  position: relative;
  overflow: hidden;
  transition: all .3s var(--ease);
}
.sl-pillar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.sl-pillar:hover { box-shadow: var(--sh-lg); transform: translateY(-5px); border-color: var(--gold-xl); }
.sl-pillar:hover::before { transform: scaleX(1); }
.sl-pillar-num {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 900;
  color: var(--cloud);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -2px;
}
.sl-pillar h4 {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 10px;
}
.sl-pillar p { font-size: 13.5px; color: var(--mist); line-height: 1.7; }
.sl-pillar-icon {
  position: absolute;
  top: 26px; right: 26px;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--gold-pale);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* ================================================================
   COURSE CARDS — Premium
   ================================================================ */
.sl-course {
  background: var(--white);
  border: 1px solid var(--cloud);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all .3s var(--ease);
  display: flex;
  flex-direction: column;
}
.sl-course:hover { box-shadow: var(--sh-lg); transform: translateY(-4px); }
.sl-course-head {
  background: var(--navy);
  padding: 28px 24px 22px;
  position: relative;
  overflow: hidden;
}
.sl-course-head::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 20px;
  background: var(--white);
  clip-path: ellipse(52% 100% at 50% 100%);
}
.sl-course-head .abbr {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}
.sl-course-head .full-name {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,.55);
  letter-spacing: .5px;
}
.sl-course-head .bg-letter {
  position: absolute;
  right: 16px; top: 10px;
  font-family: var(--serif);
  font-size: 80px;
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  user-select: none;
}
.sl-course-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.sl-course-desc { font-size: 13.5px; color: var(--mist); line-height: 1.65; margin-bottom: 18px; flex: 1; }
.sl-course-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.sl-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
  padding: 4px 12px;
  border-radius: 100px;
}
.sl-chip-gold { background: var(--gold-xl); color: var(--warn); border: 1px solid rgba(200,151,42,.2); }
.sl-chip-navy { background: var(--fog); color: var(--navy-l); border: 1px solid var(--cloud); }
.sl-chip-ok   { background: #ECFDF5; color: var(--ok); border: 1px solid #A7F3D0; }

/* ================================================================
   PAGE BANNER — Academic Prestige
   ================================================================ */
.sl-page-banner {
  background: var(--navy);
  padding: 48px 32px;
  position: relative;
  overflow: hidden;
}
.sl-page-banner::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 30%;
  background: linear-gradient(135deg, transparent, rgba(200,151,42,.08));
}
.sl-page-banner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-l), transparent);
}
.sl-page-banner-inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; }
.sl-page-banner h2 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.3px;
}
.sl-page-banner h2 em { font-style: italic; color: var(--gold-l); }
.sl-breadcrumb-nav {
  font-family: var(--sans);
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sl-breadcrumb-nav a { color: var(--gold-l); }
.sl-breadcrumb-nav span { opacity: .4; }

/* ================================================================
   BUTTONS
   ================================================================ */
.sl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .3px;
  padding: 12px 26px;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .22s var(--ease);
  text-decoration: none;
  line-height: 1;
}
/* Gold — Primary */
.sl-btn-gold {
  background: var(--gold);
  color: var(--navy-d);
  border-color: var(--gold);
  box-shadow: 0 3px 14px rgba(200,151,42,.35);
}
.sl-btn-gold:hover {
  background: var(--gold-l);
  border-color: var(--gold-l);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(200,151,42,.45);
  color: var(--navy-d);
}
/* Navy — Secondary */
.sl-btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.sl-btn-navy:hover { background: var(--navy-m); border-color: var(--navy-m); transform: translateY(-2px); color: var(--white); }
/* Ghost White */
.sl-btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.sl-btn-ghost:hover { background: rgba(255,255,255,.1); border-color: var(--white); color: var(--white); }
/* Ghost Gold */
.sl-btn-ghost-gold {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.sl-btn-ghost-gold:hover { background: var(--gold); color: var(--navy-d); }
/* Ghost Navy */
.sl-btn-ghost-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.sl-btn-ghost-navy:hover { background: var(--navy); color: var(--white); }

.sl-btn-sm { padding: 8px 16px; font-size: 12px; }
.sl-btn-lg { padding: 14px 32px; font-size: 15px; border-radius: var(--r); }

/* ================================================================
   FORMS — Clean Academic
   ================================================================ */
.sl-form-group { margin-bottom: 20px; }
.sl-form-group label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.sl-required { color: var(--crimson); }
.sl-form-control {
  width: 100%;
  padding: 11px 15px;
  border: 1.5px solid var(--cloud);
  border-radius: var(--r-sm);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--white);
  transition: all .2s;
  appearance: none;
}
.sl-form-control:focus {
  outline: none;
  border-color: var(--navy-l);
  box-shadow: 0 0 0 3px rgba(42,74,116,.12);
  background: var(--white);
}
.sl-form-control::placeholder { color: var(--silver); }
textarea.sl-form-control { min-height: 100px; resize: vertical; }
select.sl-form-control { cursor: pointer; }
.sl-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sl-form-serial {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold-pale);
  border: 1.5px solid rgba(200,151,42,.3);
  color: var(--navy);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}
.sl-form-serial i { color: var(--gold); }

/* Card */
.sl-card {
  background: var(--white);
  border: 1px solid var(--cloud);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--sh-xs);
  margin-bottom: 22px;
}
.sl-card-title {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--navy);
  margin-bottom: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--fog);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sl-card-title i { color: var(--gold); font-size: 16px; }

/* ================================================================
   TABLES
   ================================================================ */
.sl-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--cloud);
  box-shadow: var(--sh-xs);
}
.sl-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--white); }
.sl-table thead tr { background: var(--navy); }
.sl-table thead th {
  padding: 13px 16px;
  text-align: left;
  color: rgba(255,255,255,.8);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  white-space: nowrap;
}
.sl-table thead th:first-child { border-left: 3px solid var(--gold); }
.sl-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--fog);
  vertical-align: middle;
  font-family: var(--sans);
  color: var(--slate);
}
.sl-table tbody tr:last-child td { border-bottom: none; }
.sl-table tbody tr:hover td { background: var(--gold-pale); }
.sl-table tbody tr:nth-child(even) td { background: var(--off-white); }
.sl-table tbody tr:nth-child(even):hover td { background: var(--gold-pale); }

/* ================================================================
   ALERTS / MESSAGES
   ================================================================ */
.sl-msg { display: block; padding: 12px 16px; border-radius: var(--r-sm); font-family: var(--sans); font-size: 13.5px; margin: 12px 0; font-weight: 500; }
.sl-msg.success { background: #ECFDF5; color: #065F46; border-left: 3px solid var(--ok); }
.sl-msg.error   { background: #FEF2F2; color: var(--crimson); border-left: 3px solid var(--crimson); }
.sl-msg.info    { background: var(--gold-pale); color: var(--navy); border-left: 3px solid var(--gold); }
.sl-msg.warning { background: #FFFBEB; color: #92400E; border-left: 3px solid var(--warn); }

/* ================================================================
   UPI / PAYMENT
   ================================================================ */
.sl-upi-box {
  text-align: center;
  border: 2px dashed rgba(200,151,42,.4);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  background: var(--gold-pale);
}
.sl-upi-id {
  display: inline-block;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  background: var(--white);
  border: 1.5px solid rgba(200,151,42,.3);
  padding: 10px 24px;
  border-radius: var(--r-sm);
  letter-spacing: 1px;
  margin: 12px 0;
  box-shadow: var(--sh-xs);
}
.sl-receipt {
  background: var(--off-white);
  border: 1px solid var(--cloud);
  border-radius: var(--r-lg);
  padding: 28px;
  max-width: 540px;
  box-shadow: var(--sh-sm);
}
.sl-receipt-header {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--gold-xl);
}
.sl-receipt-header h4 { font-family: var(--serif); font-size: 17px; color: var(--navy); }
.sl-receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--fog);
  font-family: var(--sans);
  font-size: 14px;
}
.sl-receipt-row:last-child { border-bottom: none; font-weight: 700; font-size: 15px; color: var(--navy); }
.sl-receipt-row span:first-child { color: var(--mist); font-weight: 500; }

/* ================================================================
   ADMIN LOGIN
   ================================================================ */
.admin-login-wrap {
  min-height: 100vh;
  background: var(--navy-d);
  display: flex;
  align-items: stretch;
}
.admin-login-left {
  width: 45%;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 56px;
  position: relative;
  overflow: hidden;
}
.admin-login-left::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
}
.admin-login-left .brand {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}
.admin-login-left .brand em { color: var(--gold-l); font-style: italic; }
.admin-login-left .tagline {
  font-family: var(--sans);
  font-size: 14px;
  color: rgba(255,255,255,.45);
  font-weight: 300;
  line-height: 1.7;
  max-width: 320px;
}
.admin-login-left .seal {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  color: var(--gold);
  font-size: 32px;
}
.admin-login-bg-text {
  position: absolute;
  bottom: -20px; right: -20px;
  font-family: var(--serif);
  font-size: 160px;
  font-weight: 900;
  color: rgba(255,255,255,.02);
  line-height: 1;
  user-select: none;
}
.admin-login-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 56px;
}
.admin-login-box {
  width: 100%;
  max-width: 400px;
}
.admin-login-box h2 {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--white);
  margin-bottom: 6px;
}
.admin-login-box .sub {
  font-family: var(--sans);
  font-size: 14px;
  color: rgba(255,255,255,.4);
  margin-bottom: 36px;
  font-weight: 300;
}
.admin-login-input { margin-bottom: 20px; }
.admin-login-input label {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 8px;
}
.admin-login-input input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-sm);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--white);
  transition: all .2s;
}
.admin-login-input input:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255,255,255,.1);
  box-shadow: 0 0 0 3px rgba(200,151,42,.15);
}
.admin-login-input input::placeholder { color: rgba(255,255,255,.25); }
.admin-login-btn {
  width: 100%;
  padding: 14px;
  background: var(--gold);
  color: var(--navy-d);
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .5px;
  cursor: pointer;
  transition: all .22s;
  margin-top: 8px;
  box-shadow: 0 4px 18px rgba(200,151,42,.4);
}
.admin-login-btn:hover {
  background: var(--gold-l);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(200,151,42,.5);
}
.admin-login-footer {
  text-align: center;
  margin-top: 24px;
  font-family: var(--sans);
  font-size: 13px;
  color: rgba(255,255,255,.3);
}
.admin-login-footer a { color: rgba(255,255,255,.6); }
.admin-login-footer a:hover { color: var(--gold-l); }
.admin-err-msg {
  background: rgba(139,26,26,.2);
  border: 1px solid rgba(139,26,26,.4);
  color: #FCA5A5;
  border-radius: var(--r-sm);
  padding: 11px 15px;
  font-size: 13px;
  margin-bottom: 20px;
  font-family: var(--sans);
  display: none;
}

/* ================================================================
   GALLERY
   ================================================================ */
.sl-gallery-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(210px,1fr)); gap: 18px; }
.sl-gallery-item { border-radius: var(--r); overflow: hidden; border: 1px solid var(--cloud); box-shadow: var(--sh-xs); transition: all .28s var(--ease); }
.sl-gallery-item:hover { box-shadow: var(--sh-lg); transform: scale(1.02); }
.sl-gallery-item img { width: 100%; height: 165px; object-fit: cover; display: block; }
.sl-gallery-item p { padding: 10px 14px; font-family: var(--sans); font-size: 12px; color: var(--mist); font-weight: 600; background: var(--white); }

/* ================================================================
   FOOTER — Rich & Authoritative
   ================================================================ */
.sl-footer {
  background: var(--navy-d);
  color: rgba(255,255,255,.55);
  padding: 64px 32px 0;
  position: relative;
}
.sl-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-l), transparent);
}
.sl-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 48px;
  max-width: 1240px;
  margin: 0 auto;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.sl-footer-brand {
  margin-bottom: 18px;
}
.sl-footer-brand .name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.sl-footer-brand .name em { font-style: italic; color: var(--gold-l); }
.sl-footer-brand .sub {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  margin-top: 4px;
}
.sl-footer h5 {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.sl-footer ul { list-style: none; }
.sl-footer ul li { margin-bottom: 10px; }
.sl-footer ul li a {
  font-family: var(--sans);
  font-size: 13.5px;
  color: rgba(255,255,255,.45);
  transition: color .2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sl-footer ul li a::before { content: '›'; color: var(--gold); font-size: 14px; }
.sl-footer ul li a:hover { color: var(--gold-l); }
.sl-footer-upi {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(200,151,42,.25);
  border-radius: var(--r);
  padding: 18px;
  text-align: center;
}
.sl-footer-upi .title {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.sl-footer-upi-id {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  background: rgba(200,151,42,.12);
  border: 1px solid rgba(200,151,42,.25);
  padding: 8px 18px;
  border-radius: var(--r-sm);
  display: inline-block;
  letter-spacing: .5px;
  margin: 8px 0 14px;
}
.sl-footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--sans);
  font-size: 12px;
  color: rgba(255,255,255,.28);
  flex-wrap: wrap;
  gap: 10px;
}
.sl-footer-bottom a { color: rgba(255,255,255,.4); }
.sl-footer-bottom a:hover { color: var(--gold-l); }
.sl-footer-social { display: flex; gap: 8px; }
.sl-footer-social a {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.4);
  font-size: 13px; font-weight: 700;
  transition: all .2s;
}
.sl-footer-social a:hover { background: var(--gold); color: var(--navy-d); border-color: var(--gold); }

/* ================================================================
   SCROLL TO TOP
   ================================================================ */
#sl-to-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--navy);
  border: 1px solid var(--gold);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  box-shadow: var(--sh);
  opacity: 0; transition: opacity .3s, transform .3s;
  pointer-events: none; z-index: 999; text-decoration: none;
  transform: translateY(8px);
}
#sl-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#sl-to-top:hover { background: var(--gold); color: var(--navy-d); }

/* ================================================================
   CTA BAND
   ================================================================ */
.sl-cta-band {
  background: var(--navy);
  padding: 64px 32px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.sl-cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(200,151,42,.12) 0%, transparent 70%);
}
.sl-cta-band h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
}
.sl-cta-band h2 em { font-style: italic; color: var(--gold-l); }
.sl-cta-band p {
  font-family: var(--sans);
  font-size: 15px;
  color: rgba(255,255,255,.6);
  margin-bottom: 30px;
  font-weight: 300;
  position: relative;
}
.sl-cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ================================================================
   PRINT
   ================================================================ */
@media print { .sl-nav,.sl-announce,.sl-header,.sl-footer,.sl-btn,.sl-hamburger,#sl-to-top { display: none !important; } }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width:1100px) {
  .sl-footer-grid { grid-template-columns: 1fr 1fr; }
  .sl-hero-right { display: none; }
  .sl-hero-content { justify-content: center; }
  .sl-hero-left { max-width: 680px; }
}
@media (max-width:768px) {
  .sl-announce { display: none; }
  .sl-header { padding: 14px 20px; min-height: unset; flex-wrap: wrap; gap: 12px; }
  .sl-header::before { display: none; }
  .sl-header-right { flex-wrap: wrap; gap: 12px; }
  .sl-btn-apply-now { display: none; }
  .sl-nav ul { display: none; flex-direction: column; background: var(--navy-m); position: absolute; top: 100%; left: 0; right: 0; z-index: 999; box-shadow: var(--sh-lg); }
  .sl-nav ul.open { display: flex; }
  .sl-nav ul li a { padding: 14px 20px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .sl-hamburger { display: block; }
  .sl-nav-wrap { position: relative; }
  .sl-hero { min-height: auto; }
  .sl-hero-content { padding: 50px 20px; }
  .sl-hero-stats { max-width: 100%; }
  .sl-section { padding: 48px 20px; }
  .sl-g2,.sl-g3,.sl-g4 { grid-template-columns: 1fr; }
  .sl-form-row { grid-template-columns: 1fr; }
  .sl-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .sl-footer-bottom { flex-direction: column; text-align: center; }
  .sl-page-banner { padding: 36px 20px; }
  .sl-page-banner h2 { font-size: 24px; }
  .admin-login-wrap { flex-direction: column; }
  .admin-login-left { width: 100%; padding: 40px 28px; }
  .admin-login-right { padding: 36px 24px; }
}
@media (max-width:480px) {
  .sl-logo-text .inst-name { font-size: 17px; }
  .sl-hero h1 { font-size: 26px; }
  .sl-hero-stat .num { font-size: 22px; }
  .sl-card { padding: 22px; }
}

/* ================================================================
   LOGO CIRCLE STYLES — Premium Circular Institute Seal
   ================================================================ */
.sl-logo-link { display: flex; align-items: center; text-decoration: none; }

.sl-logo-seal {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 3px solid var(--gold);
  box-shadow:
    0 0 0 1px rgba(200,151,42,.25),
    0 4px 20px rgba(11,31,58,.2),
    inset 0 0 0 2px rgba(255,255,255,.9);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
  position: relative;
}
.sl-logo-seal:hover {
  border-color: var(--gold-l);
  box-shadow:
    0 0 0 1px rgba(200,151,42,.4),
    0 6px 28px rgba(11,31,58,.25),
    inset 0 0 0 2px rgba(255,255,255,.9);
  transform: scale(1.04);
}
.sl-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.seal-initials {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 900;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* Admin MasterPage logo circle */
.sl-admin-logo-seal {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  overflow: hidden;
  background: var(--white);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sl-admin-logo-seal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Footer logo circle */
.sl-footer-logo-seal {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid rgba(200,151,42,.5);
  overflow: hidden;
  background: rgba(255,255,255,.1);
  flex-shrink: 0;
  margin-bottom: 14px;
}
.sl-footer-logo-seal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Hero - large logo seal */
.sl-hero-seal {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 4px solid rgba(200,151,42,.6);
  box-shadow:
    0 0 0 8px rgba(200,151,42,.1),
    0 0 0 16px rgba(200,151,42,.05),
    0 12px 48px rgba(0,0,0,.3);
  overflow: hidden;
  background: var(--white);
  margin: 0 auto 24px;
  animation: sealGlow 3s ease-in-out infinite;
}
.sl-hero-seal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
@keyframes sealGlow {
  0%, 100% { box-shadow: 0 0 0 8px rgba(200,151,42,.1), 0 0 0 16px rgba(200,151,42,.05), 0 12px 48px rgba(0,0,0,.3); }
  50%       { box-shadow: 0 0 0 10px rgba(200,151,42,.18), 0 0 0 20px rgba(200,151,42,.08), 0 16px 56px rgba(0,0,0,.35); }
}

/* Admin login seal */
.sl-admin-login-seal {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}