/* Uncodemy — Selenium Training Course pages */

:root {
  --primary: #FF5421;
  --primary-dark: #E2431A;
  --primary-light: #FFEDE6;
  --ink: #1E1F2B;
  --ink-soft: #5B5D6E;
  --bg: #F7F7FB;
  --white: #FFFFFF;
  --border: #ECEBF3;
  --shadow: 0 10px 30px rgba(30, 31, 43, 0.06);
  --shadow-soft: 0 4px 14px rgba(30, 31, 43, 0.05);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3, .brand-name, .card-title {
  font-family: 'Poppins', 'Inter', sans-serif;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; }
li { list-style: none; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}

.topbar-logo { display: flex; align-items: center; gap: 10px; }
.topbar-logo img { height: 36px; width: auto; }

.back-course-btn {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}
.back-course-btn:hover { background: #FFDFD1; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  max-width: 1440px;
  margin: 18px auto 0;
  padding: 0 24px;
  font-size: 13px;
  color: var(--ink-soft);
}
.breadcrumb strong { color: var(--primary-dark); font-weight: 600; }

/* ---------- Layout ---------- */
.layout {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 24px 64px;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

/* ---------- Left sidebar ---------- */
.sidebar-left {
  position: sticky;
  top: 76px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
}
.sidebar-left h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 14px;
  font-weight: 600;
}
.topic-nav li { margin-bottom: 4px; }
.topic-nav .group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #A7A9BC;
  padding: 14px 12px 6px;
  list-style: none;
}
.topic-nav li.group-header:first-child .group-title { padding-top: 0; }
.topic-nav a {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.topic-nav a:hover { background: var(--primary-light); color: var(--primary-dark); }
.topic-nav .num {
  font-size: 12px;
  font-weight: 700;
  color: #C7C8D6;
  min-width: 18px;
}
.topic-nav li.active a {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}
.topic-nav li.active .num { color: rgba(255,255,255,0.75); }

/* ---------- Main article ---------- */
.main-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px 44px;
}
.main-card h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 22px;
  color: var(--ink);
}
.main-card h2 {
  font-size: 21px;
  font-weight: 600;
  margin: 34px 0 12px;
  color: var(--ink);
}
.main-card p { margin: 0 0 14px; color: var(--ink-soft); font-size: 15.5px; }
.main-card ul.styled-list { margin: 12px 0 18px; }
.main-card ul.styled-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 15.5px;
}
.main-card ul.styled-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 22px;
  font-size: 14.5px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.data-table th, .data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) td { background: #FBFBFD; }

.bridge-note {
  border-left: 3px solid var(--primary);
  background: var(--primary-light);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14.5px;
  color: var(--ink);
  margin: 26px 0;
}

/* CTA box */
.cta-box {
  margin-top: 30px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  padding: 28px 32px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cta-box h3 { margin: 0 0 6px; font-size: 20px; font-weight: 700; }
.cta-box p { margin: 0; color: rgba(255,255,255,0.9); font-size: 14px; }
.cta-btn {
  background: var(--white);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: transform 0.15s ease;
}
.cta-btn:hover { transform: translateY(-2px); }

/* Pagination */
.pagination {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.pagination a {
  flex: 1;
  max-width: 280px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.15s ease;
}
.pagination a:hover { border-color: var(--primary); }
.pagination .dir { display: block; font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; font-weight: 600; }
.pagination .next { text-align: right; margin-left: auto; }

/* ---------- Right sidebar ---------- */
.sidebar-right { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 20px; }

.batch-card, .help-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px;
}
.batch-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}
.batch-card h3 { font-size: 17px; margin: 0 0 14px; font-weight: 700; }
.batch-meta { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 16px; }
.batch-meta div span { display: block; color: var(--ink-soft); font-size: 11.5px; margin-bottom: 2px; }
.batch-meta div strong { font-size: 14px; }

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.countdown .unit {
  background: var(--bg);
  border-radius: var(--radius-sm);
  text-align: center;
  padding: 10px 4px;
}
.countdown .unit strong { display: block; font-size: 20px; font-family: 'Poppins', sans-serif; color: var(--primary-dark); }
.countdown .unit span { font-size: 10px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.04em; }

.perks { margin-bottom: 16px; }
.perks li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  margin-bottom: 8px;
  color: var(--ink-soft);
}
.perks li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 700;
}

.seats-badge {
  display: block;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.landing-btn {
  display: block;
  text-align: center;
  background: var(--primary);
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  padding: 13px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}
.landing-btn:hover { background: var(--primary-dark); }

.help-card h4 { margin: 0 0 12px; font-size: 15px; font-weight: 700; }
.help-links { display: flex; flex-direction: column; gap: 10px; }
.help-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.help-links a.phone:hover { border-color: var(--primary); }
.help-links a.whatsapp:hover { border-color: #25D366; }

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 26px 24px 40px;
  font-size: 13px;
  color: var(--ink-soft);
}
footer a { color: var(--primary-dark); font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .layout { grid-template-columns: 220px minmax(0,1fr) 260px; }
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar-left, .sidebar-right { position: static; max-height: none; }
  .main-card { padding: 28px 22px; order: 1; }
  .sidebar-left { order: 0; }
  .sidebar-right { order: 2; }
  .main-card h1 { font-size: 26px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .pagination { flex-direction: column; }
  .pagination .next { text-align: left; margin-left: 0; }
}

@media (max-width: 480px) {
  .topbar { padding: 10px 14px; }
  .back-course-btn { padding: 8px 12px; font-size: 13px; }
  .main-card { padding: 22px 16px; }
}