/* ============================================================
   Stock Pathshala — Professional Institute Theme
   Sagar Chowdhury | NISM Research Analyst
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;800&display=swap');

:root {
  /* ── Default: Clean light finance theme ── */
  --bg-primary:    #f5f7fa;
  --bg-secondary:  #eef1f7;
  --bg-tertiary:   #e4e9f2;
  --bg-card:       #ffffff;
  --bg-glass:      rgba(255,255,255,0.92);

  --text-primary:  #0d1b2e;
  --text-secondary:#3a5068;
  --text-muted:    #7a95b0;

  --green:         #059669;
  --green-soft:    rgba(5,150,105,0.10);
  --green-border:  rgba(5,150,105,0.25);
  --red:           #dc2626;
  --red-soft:      rgba(220,38,38,0.10);
  --gold:          #d97706;
  --gold-soft:     rgba(217,119,6,0.10);

  --accent:        #059669;
  --accent-glow:   rgba(5,150,105,0.18);
  --gradient-green:linear-gradient(135deg, #059669 0%, #047857 100%);
  --gradient-hero: linear-gradient(160deg, #f0fdf6 0%, #f5f7fa 60%, #fdf4f4 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);

  --shadow-sm:  0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12);
  --shadow-glow:0 0 24px rgba(5,150,105,0.15);
  --shadow-card:0 2px 12px rgba(0,0,0,0.08);

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  --transition-fast:  150ms ease;
  --transition-base:  250ms ease;
  --transition-slow:  400ms ease;
}

/* ── Dark mode (toggled via .dark class) ── */
.dark {
  --bg-primary:    #060d18;
  --bg-secondary:  #0b1628;
  --bg-tertiary:   #0f1f38;
  --bg-card:       #0d1a30;
  --bg-glass:      rgba(13,26,48,0.85);
  --text-primary:  #e8f0fe;
  --text-secondary:#8da4c4;
  --text-muted:    #4a6280;
  --green:         #00d084;
  --green-soft:    rgba(0,208,132,0.12);
  --green-border:  rgba(0,208,132,0.25);
  --red:           #ff4d6d;
  --red-soft:      rgba(255,77,109,0.12);
  --gold:          #f0b429;
  --gold-soft:     rgba(240,180,41,0.12);
  --accent:        #00d084;
  --accent-glow:   rgba(0,208,132,0.2);
  --gradient-green:linear-gradient(135deg, #00d084 0%, #00a86b 100%);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow:0 0 30px rgba(0,208,132,0.15);
}

/* keep .light as alias for backward compat */
.light {
  --bg-primary:    #f5f7fa;
  --bg-secondary:  #eef1f7;
  --bg-tertiary:   #e4e9f2;
  --bg-card:       #ffffff;
  --text-primary:  #0d1b2e;
  --text-secondary:#3a5068;
  --text-muted:    #7a95b0;
  --green:         #059669;
  --green-soft:    rgba(5,150,105,0.10);
  --green-border:  rgba(5,150,105,0.25);
  --accent:        #059669;
  --shadow-sm:     0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* ── Layout ── */
.container { max-width: 1200px; margin: auto; padding: 100px 24px; position: relative; z-index: 2; }
section { margin-bottom: 100px; }
a { text-decoration: none; color: inherit; }

/* ── Typography ── */
h1 { font-family:'Playfair Display', serif; font-size: 52px; font-weight: 800; line-height: 1.15; }
h2 {
  font-size: 30px; font-weight: 700; margin-bottom: 48px; position: relative;
  display: inline-flex; align-items: center; gap: 12px;
}
h2::after {
  content: ""; display: block; width: 60px; height: 3px;
  background: var(--gradient-green); border-radius: 2px;
  position: absolute; bottom: -14px; left: 0;
}
h3 { font-size: 19px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
p, li { color: var(--text-secondary); line-height: 1.8; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius-full);
  border: 1.5px solid var(--accent); background: none; color: var(--accent);
  cursor: pointer; font-weight: 600; font-size: 14px; font-family: inherit;
  transition: all var(--transition-base); white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn.primary {
  background: var(--gradient-green); color: #fff; border: none;
  box-shadow: 0 4px 16px rgba(0,208,132,0.3);
}
.btn.primary:hover { box-shadow: 0 6px 24px rgba(0,208,132,0.45); }
.btn.outline-red   { color: var(--red);  border-color: var(--red);  }
.btn.outline-gold  { color: var(--gold); border-color: var(--gold); }

/* ── Cards ── */
.card { background: var(--bg-card); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg); padding: 28px; position: relative; overflow: hidden;
  transition: all var(--transition-slow); opacity: 0; transform: translateY(24px);
  box-shadow: var(--shadow-sm);
}
.dark .card { border-color: rgba(255,255,255,0.06); }
.card::before {
  content: ''; position: absolute; inset-block-start: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-green); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-base);
}
.card:hover { transform: translateY(-6px) !important; box-shadow: var(--shadow-glow); border-color: var(--green-border); }
.card:hover::before { transform: scaleX(1); }
.card.visible { opacity: 1; transform: translateY(0); }

/* ── Tags ── */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 12px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 700; letter-spacing: 0.4px;
  margin: 3px; text-transform: uppercase;
}
.tag.green { background: var(--green-soft); color: var(--green); border: 1px solid var(--green-border); }
.tag.red   { background: var(--red-soft);   color: var(--red);   border: 1px solid rgba(255,77,109,0.25); }
.tag.gold  { background: var(--gold-soft);  color: var(--gold);  border: 1px solid rgba(240,180,41,0.25); }
.tag.blue  { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.25); }

/* ── Stat Cards ── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px;
}
.stat-card {
  text-align: center; padding: 28px 20px;
  background: var(--bg-card); border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.dark .stat-card { border-color: rgba(255,255,255,0.06); }
.stat-card:hover { transform: translateY(-4px); border-color: var(--green-border); box-shadow: var(--shadow-glow); }
.stat-number { font-size: 40px; font-weight: 800; color: var(--green); display: block; margin-bottom: 6px; }
.stat-label  { font-size: 13px; color: var(--text-secondary); font-weight: 500; }

/* ── Grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }

/* ── Hero ── */
.hero {
  display: grid; grid-template-columns: 1.2fr 0.8fr;
  gap: 60px; align-items: center; padding-top: 20px;
}
.hero-right { display: flex; flex-direction: column; align-items: center; gap: 24px; }

/* NISM badge */
.nism-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0,208,132,0.15), rgba(0,168,107,0.1));
  border: 1.5px solid var(--green-border);
  color: var(--green); font-size: 13px; font-weight: 700;
  letter-spacing: 0.5px; margin-bottom: 16px;
  box-shadow: inset 0 0 20px rgba(0,208,132,0.05);
}
.nism-badge i { font-size: 16px; }

/* ── Logo Circle ── */
.logo-circle {
  width: 260px; height: 260px; border-radius: 50%;
  border: 3px solid var(--green);
  box-shadow: 0 0 0 8px rgba(0,208,132,0.06), 0 0 60px rgba(0,208,132,0.2);
  overflow: hidden; background: #fff;
  display: flex; align-items: center; justify-content: center;
  animation: logoPulse 4s ease-in-out infinite;
}
.logo-circle img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
@keyframes logoPulse {
  0%,100% { box-shadow: 0 0 0 8px rgba(0,208,132,0.06), 0 0 60px rgba(0,208,132,0.2); }
  50%      { box-shadow: 0 0 0 12px rgba(0,208,132,0.1), 0 0 80px rgba(0,208,132,0.3); }
}

/* css logo fallback */
.logo-text-wrap { display:flex;flex-direction:column;align-items:center;gap:2px;padding:20px; }
.logo-text-stock { font-size:28px; font-weight:900; color:#00d084; letter-spacing:-0.5px; }
.logo-text-path  { font-size:28px; font-weight:900; color:#ff4d6d; letter-spacing:-0.5px; }
.logo-text-bn    { font-size:15px; font-weight:700; color:#2d4a6e; margin-top:4px; }

/* ── Ticker ── */
.ticker-bar {
  background: var(--bg-card);
  border-bottom: 1px solid rgba(5,150,105,0.15);
  box-shadow: var(--shadow-sm);
  overflow: hidden; padding: 10px 0; position: relative;
}
.dark .ticker-bar { border-bottom-color: rgba(0,208,132,0.15); }
.ticker-bar::before, .ticker-bar::after {
  content:''; position:absolute; top:0; bottom:0; width:60px; z-index:3; pointer-events:none;
}
.ticker-bar::before { left:0;  background:linear-gradient(to right, var(--bg-card), transparent); }
.ticker-bar::after  { right:0; background:linear-gradient(to left,  var(--bg-card), transparent); }
.ticker-track {
  display: flex; gap: 50px; width: max-content;
  animation: ticker 30s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.t-item { display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:600; white-space:nowrap; }
.t-up   { color: var(--green); }
.t-down { color: var(--red); }
.t-label { color: var(--text-muted); font-weight:500; }
@keyframes ticker { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ── Services / Classes ── */
.service-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; color: #fff; margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}

/* ── YouTube Carousel ── */
.yt-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
}
.yt-channel-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; background: rgba(255,0,0,0.1);
  border: 1px solid rgba(255,0,0,0.3); border-radius: var(--radius-full);
  color: #ff4444; font-weight: 700; font-size: 14px;
  transition: all var(--transition-base);
}
.yt-channel-pill:hover { background: rgba(255,0,0,0.18); transform: translateY(-2px); }

.carousel-container { position: relative; }
.carousel-track-wrap {
  overflow: hidden; border-radius: var(--radius-lg);
}
.carousel-track {
  display: flex; gap: 20px;
  transition: transform 0.45s cubic-bezier(0.25,0.46,0.45,0.94);
}
.yt-card {
  flex: 0 0 calc(33.333% - 14px);
  background: var(--bg-card); border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: var(--shadow-sm);
  overflow: hidden; transition: all var(--transition-base);
  cursor: pointer;
}
.dark .yt-card { border-color: rgba(255,255,255,0.06); }
.yt-card:hover { transform: translateY(-6px); border-color: rgba(255,0,0,0.35); box-shadow: 0 8px 30px rgba(255,0,0,0.15); }
.yt-thumb {
  position: relative; padding-bottom: 56.25%; overflow: hidden;
  background: #0a0a0a;
}
.yt-thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition: transform 0.4s ease; }
.yt-card:hover .yt-thumb img { transform: scale(1.05); }
.yt-play-btn {
  position: absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background: rgba(0,0,0,0.3); opacity:0; transition: opacity var(--transition-base);
}
.yt-card:hover .yt-play-btn { opacity:1; }
.yt-play-btn i { font-size:52px; color:#fff; filter:drop-shadow(0 2px 8px rgba(0,0,0,0.5)); }
.yt-duration {
  position:absolute; bottom:8px; right:8px; background:rgba(0,0,0,0.85);
  color:#fff; font-size:11px; font-weight:700; padding:2px 7px; border-radius:4px;
}
.yt-card-body { padding: 16px 18px 20px; }
.yt-card-title {
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  line-height: 1.5; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.yt-card-meta { display:flex; align-items:center; gap:12px; font-size:12px; color: var(--text-muted); }
.yt-card-meta span { display:inline-flex; align-items:center; gap:4px; }

/* Carousel controls */
.carousel-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-top: 28px;
}
.carousel-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-card); border: 1.5px solid rgba(255,255,255,0.1);
  color: var(--text-primary); cursor: pointer; font-size: 16px;
  display:flex; align-items:center; justify-content:center;
  transition: all var(--transition-base);
}
.carousel-btn:hover:not(:disabled) { background: var(--green); color:#fff; border-color:var(--green); transform:scale(1.1); }
.carousel-btn:disabled { opacity:0.3; cursor:not-allowed; }
.carousel-dots { display:flex; gap:6px; align-items:center; }
.carousel-dot {
  width:8px; height:8px; border-radius:50%;
  background: var(--text-muted); cursor:pointer;
  transition: all var(--transition-base);
}
.carousel-dot.active { background: var(--green); transform:scale(1.3); }

/* Loading / error states */
.yt-loading { display:flex; align-items:center; justify-content:center;
  gap:12px; padding:60px; color:var(--text-muted); font-size:16px; }
.yt-error { text-align:center; padding:40px; color:var(--text-muted); }

/* ── Social links ── */
.social-row { display:flex; gap:10px; flex-wrap:wrap; margin-top:20px; }
.soc-btn {
  display:inline-flex; align-items:center; gap:7px;
  padding:9px 18px; border-radius:var(--radius-full);
  font-size:13px; font-weight:700; transition:all var(--transition-base);
  border: 1.5px solid transparent;
}
.soc-btn:hover { transform:translateY(-3px); box-shadow:var(--shadow-md); }
.soc-li { background:rgba(10,102,194,0.12); border-color:rgba(10,102,194,0.35); color:#4d9de0; }
.soc-yt { background:rgba(255,0,0,0.1);    border-color:rgba(255,0,0,0.3);     color:#ff4444; }
.soc-fb { background:rgba(24,119,242,0.1); border-color:rgba(24,119,242,0.3);  color:#5b9bd5; }
.soc-ig { background:rgba(225,48,108,0.1); border-color:rgba(225,48,108,0.3);  color:#e1306c; }
.soc-wa { background:rgba(37,211,102,0.1); border-color:rgba(37,211,102,0.3);  color:#25d366; }

/* ── Contact ── */
.contact-grid { display:grid; grid-template-columns:1fr 1.6fr; gap:36px; align-items:start; }
.contact-info { display:flex; flex-direction:column; gap:16px; }
.contact-card {
  background:var(--bg-card); padding:20px 24px; border-radius:var(--radius-lg);
  border:1px solid rgba(0,0,0,0.08); box-shadow:var(--shadow-sm);
  display:flex; align-items:center; gap:16px;
  transition:all var(--transition-base);
}
.dark .contact-card { border-color:rgba(255,255,255,0.06); }
.contact-card:hover { border-color:var(--green-border); transform:translateX(4px); }
.contact-icon-wrap {
  width:48px; height:48px; border-radius:var(--radius-md); flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:22px;
}
.contact-form-wrap { background:var(--bg-card); padding:36px; border-radius:var(--radius-lg);
  border:1px solid rgba(0,0,0,0.08); box-shadow:var(--shadow-sm); }
.dark .contact-form-wrap { border-color:rgba(255,255,255,0.06); }
.form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.form-group label { font-size:12px; font-weight:700; color:var(--text-secondary);
  text-transform:uppercase; letter-spacing:0.6px; }
.form-group input, .form-group textarea, .form-group select {
  padding:12px 16px; background:var(--bg-tertiary);
  border:1.5px solid rgba(0,0,0,0.10); border-radius:var(--radius-md);
  color:var(--text-primary); font-size:14px; font-family:inherit;
  transition:border-color var(--transition-fast);
}
.dark .form-group input, .dark .form-group textarea, .dark .form-group select {
  background:var(--bg-tertiary); border-color:rgba(255,255,255,0.08);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize:vertical; min-height:110px; }
.form-message { padding:12px 16px; border-radius:var(--radius-md); font-size:14px;
  text-align:center; display:none; margin-top:16px; }
.form-message.success { background:rgba(0,208,132,0.1); color:var(--green);
  border:1px solid var(--green-border); display:block; }
.form-message.error { background:var(--red-soft); color:var(--red);
  border:1px solid rgba(255,77,109,0.25); display:block; }

/* ── Nav ── */
.nav-link { opacity:0.75; transition:all var(--transition-fast); font-size:14px; text-decoration:none; }
.nav-link:hover { opacity:1; color:var(--accent)!important; }
.nav-link.active { opacity:1; color:var(--accent)!important; font-weight:700 !important; padding-bottom:3px; border-bottom:2.5px solid var(--accent); }

/* ── Footer ── */
footer { }
.dark footer .footer-col-grid { border-top-color: rgba(255,255,255,0.06); }

@media(max-width:900px) {
  footer .footer-col-grid,
  footer [style*="grid-template-columns:2fr"] {
    grid-template-columns: 1fr 1fr !important;
  }
}
@media(max-width:560px) {
  footer [style*="grid-template-columns:2fr"] {
    grid-template-columns: 1fr !important;
  }
}
.footer-social { display:flex; justify-content:center; gap:20px; margin-bottom:20px; }
.footer-soc { width:42px; height:42px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:18px; border:1.5px solid transparent;
  transition:all var(--transition-base); }
.footer-soc:hover { transform:translateY(-3px) scale(1.1); }

/* ── Market chart decorative ── */
.chart-deco {
  position:absolute; right:0; top:50%; transform:translateY(-50%);
  width:260px; opacity:0.06; pointer-events:none;
}

/* ── Responsive ── */
@media(max-width:960px) {
  .hero       { grid-template-columns:1fr; }
  .grid-2     { grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  h1          { font-size:36px; }
  .logo-circle{ width:200px; height:200px; }
  .yt-card    { flex:0 0 calc(50% - 10px); }
}
@media(max-width:640px) {
  h1   { font-size:28px; }
  h2   { font-size:22px; }
  .container { padding:80px 16px; }
  .yt-card { flex:0 0 calc(100%); }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
}

/* ── Facebook Page Section ── */
.fb-page-wrap {
  width: 500px;
  max-width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(24,119,242,0.15);
  box-shadow: var(--shadow-md);
}

.fb-page-wrap iframe {
  display: block;
  width: 500px !important;
  max-width: 100%;
  min-height: 600px;
}

@media (max-width: 900px) {
  #facebook > div[style*="grid-template-columns"] {
    display: flex !important;
    flex-direction: column !important;
  }
  .fb-page-wrap,
  .fb-page-wrap iframe {
    width: 100% !important;
    min-height: 420px;
  }
}