/* ============================================================ */
/* EDUPRO SUITE — PRODUCT PAGE CSS (Sidebar Layout)            */
/* Used by: ap-stats.html, ap-calc.html, trade-math.html       */
/* ============================================================ */

/* ---- PRODUCT LAYOUT: Sidebar + Main ---- */
.product-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
  gap: 32px;
  align-items: start;
}

/* ---- LEFT SIDEBAR ---- */
.product-sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-section {
  background: white;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-product-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
  display: inline-block;
}
.sidebar-product-badge.blue    { background: var(--blue-50); color: var(--blue-600); }
.sidebar-product-badge.indigo  { background: #eef2ff; color: #4f46e5; }
.sidebar-product-badge.green   { background: var(--green-50); color: var(--green-600); }

.sidebar-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--slate-900);
}

.sidebar-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}
.sidebar-price-old  { font-size: 16px; text-decoration: line-through; color: var(--slate-400); }
.sidebar-price-main { font-size: 32px; font-weight: 800; color: var(--slate-900); font-family: var(--font-display); }
.sidebar-price-period { font-size: 13px; color: var(--slate-500); }

.sidebar-trial {
  font-size: 12.5px;
  color: var(--green-600);
  font-weight: 600;
  background: var(--green-50);
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.sidebar-cta { font-size: 14px; font-weight: 700; }

/* ---- REFER WIDGET ---- */
.refer-widget {
  background: linear-gradient(135deg, #eff6ff, #eef2ff);
  border-color: var(--blue-100);
}

.refer-widget-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}
.refer-icon { font-size: 20px; }
.refer-widget-header strong { display: block; font-size: 14px; color: var(--slate-900); }
.refer-widget-header small { font-size: 11.5px; color: var(--slate-500); }

.refer-widget-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.rws {
  background: white;
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
  border: 1px solid var(--slate-200);
}
.rws strong { display: block; font-size: 22px; font-weight: 800; color: var(--blue-600); font-family: var(--font-display); }
.rws small  { font-size: 11px; color: var(--slate-500); }

/* ---- AFFILIATE WIDGET ---- */
.affiliate-widget {
  background: #fffbeb;
  border-color: #fde68a;
}
.affiliate-widget-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 14px; }
.affiliate-widget p { font-size: 12.5px; color: var(--slate-600); margin-bottom: 10px; }

/* ---- COUPON WIDGET ---- */
.coupon-widget { background: var(--slate-50); }
.coupon-widget-label { font-size: 11.5px; font-weight: 700; color: var(--slate-500); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.coupon-item { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 13px; }

/* ---- SIDEBAR TOC ---- */
.sidebar-toc-title { font-size: 11.5px; font-weight: 700; color: var(--slate-500); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.sidebar-toc { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.sidebar-toc li a { font-size: 13px; color: var(--slate-600); text-decoration: none; padding: 4px 8px; border-radius: 4px; display: block; transition: var(--transition); }
.sidebar-toc li a:hover { background: var(--blue-50); color: var(--blue-600); }

/* ---- PRODUCT MAIN ---- */
.product-main { min-width: 0; }

/* ---- PRODUCT HERO (per-track colors) ---- */
.product-hero {
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.blue-hero   { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 60%, #e0e7ff 100%); }
.indigo-hero { background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 60%, #ede9fe 100%); }
.green-hero  { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 60%, #f0fdf4 100%); }

.product-hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; }
.product-exam-tag { font-size: 12px; font-weight: 700; color: var(--blue-600); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 10px; }

.indigo-hero .product-exam-tag { color: #4f46e5; }
.green-hero  .product-exam-tag { color: var(--green-600); }

.product-title { font-family: var(--font-display); font-size: 36px; font-weight: 800; letter-spacing: -1px; color: var(--slate-900); margin-bottom: 14px; line-height: 1.15; }
.hero-highlight-indigo { background: linear-gradient(135deg, #4f46e5, #7c3aed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-highlight-green  { background: linear-gradient(135deg, #059669, #047857); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.product-subtitle { font-size: 15px; color: var(--slate-600); margin-bottom: 24px; line-height: 1.65; }

.product-stats-row {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}
.ps { padding: 12px 18px; text-align: center; }
.ps strong { display: block; font-size: 20px; font-weight: 800; color: var(--blue-600); font-family: var(--font-display); }
.ps span   { font-size: 10.5px; color: var(--slate-500); font-weight: 500; }
.ps-div    { width: 1px; background: var(--slate-200); flex-shrink: 0; }

/* PRODUCT MOCKUP CARD */
.product-mockup-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--slate-200);
}
.mockup-cover {
  padding: 28px 24px;
  position: relative;
  min-height: 180px;
  display: flex;
  align-items: center;
}
.blue-cover   { background: linear-gradient(160deg, #1e3a8a, #2563eb); }
.indigo-cover { background: linear-gradient(160deg, #312e81, #4f46e5); }
.green-cover  { background: linear-gradient(160deg, #064e3b, #059669); }

.mockup-cover-inner { position: relative; z-index: 2; }
.mc-badge    { display: inline-block; background: rgba(255,255,255,0.2); color: white; font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-bottom: 8px; letter-spacing: 0.5px; }
.mc-title    { font-size: 15px; font-weight: 800; color: white; line-height: 1.3; margin-bottom: 6px; }
.mc-subtitle { font-size: 11px; color: rgba(255,255,255,0.7); margin-bottom: 10px; }
.mc-watermark { font-size: 9px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 1px; }
.mc-pages    { margin-top: 8px; background: rgba(255,255,255,0.15); display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; color: white; font-weight: 600; }

.mockup-details { padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.mockup-feature { font-size: 12.5px; color: var(--slate-600); }
.free-feature   { color: var(--green-600); font-weight: 600; }

/* ---- PRODUCT SECTIONS ---- */
.product-section { padding: 40px 0; border-bottom: 1px solid var(--slate-100); }
.product-section:last-child { border-bottom: none; }
.bg-light-section { background: var(--slate-50); border-radius: var(--radius-lg); padding: 32px; margin-bottom: 8px; }
.product-section-title { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--slate-900); margin-bottom: 8px; }
.product-section-desc  { font-size: 15px; color: var(--slate-500); margin-bottom: 24px; }

/* ---- INCLUDED GRID ---- */
.included-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.included-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
}
.included-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.ic-icon { font-size: 24px; margin-bottom: 10px; }
.included-card h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 6px; color: var(--slate-900); }
.included-card p  { font-size: 12.5px; color: var(--slate-500); line-height: 1.55; }

/* ---- FREE RESOURCES ROW ---- */
.free-resources-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 24px; }
.free-resource-card {
  background: white;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.free-resource-card:hover { border-color: var(--green-600); }
.frc-icon { font-size: 28px; display: block; margin-bottom: 8px; }
.free-resource-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.free-resource-card p  { font-size: 12px; color: var(--slate-500); margin-bottom: 10px; }
.frc-badge { background: var(--green-600); color: white; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 20px; }

/* ---- FREE SIGNUP FORM ---- */
.free-signup-form { background: white; border: 1px solid var(--slate-200); border-radius: var(--radius-lg); padding: 24px; }
.free-signup-form form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: end; }
.free-signup-form .btn { white-space: nowrap; height: 46px; align-self: end; flex-direction: row; }

/* ---- PRICING GRID FOR PRODUCT PAGES ---- */
.pricing-grid-product { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 24px; }

/* ---- PAYPAL BUTTON WRAPPER ---- */
.paypal-btn-wrap { min-height: 44px; margin-bottom: 8px; }
.paypal-success {
  background: var(--green-50);
  border: 1px solid #6ee7b7;
  color: var(--green-600);
  font-size: 13px;
  font-weight: 600;
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

/* ---- REFER REMINDER BAR ---- */
.refer-reminder-bar {
  background: linear-gradient(90deg, #eff6ff, #eef2ff);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 14px;
  color: var(--slate-700);
}
.refer-reminder-bar a { color: var(--blue-600); font-weight: 600; text-decoration: none; }

/* ---- FAQ ---- */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--blue-600); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--slate-800);
}
.faq-arrow { transition: var(--transition); opacity: 0.5; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  font-size: 13.5px;
  color: var(--slate-600);
  line-height: 1.65;
  transition: all 0.3s ease;
}
.faq-item.open .faq-a    { max-height: 200px; padding: 0 20px 16px; }
.faq-item.open .faq-arrow { transform: rotate(180deg); opacity: 1; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .product-layout { grid-template-columns: 260px 1fr; }
  .product-hero-inner { grid-template-columns: 1fr; }
  .product-hero-right { display: none; }
}

@media (max-width: 768px) {
  .product-layout { grid-template-columns: 1fr; padding: 16px; }
  .product-sidebar { position: static; }
  .included-grid { grid-template-columns: 1fr 1fr; }
  .free-resources-row { grid-template-columns: 1fr; }
  .pricing-grid-product { grid-template-columns: 1fr; }
  .free-signup-form form { grid-template-columns: 1fr; }
  .product-hero { padding: 28px 20px; }
  .product-title { font-size: 26px; }
  .refer-widget-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .included-grid { grid-template-columns: 1fr; }
}