/* ================================================================
   CorpStack — Academy Section Styles
   Variablz Corporation
   ================================================================ */

/* ── Course Hero ─────────────────────────────────────────────────── */
.course-hero {
  background: linear-gradient(150deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  padding-top: 100px;
  padding-bottom: var(--space-12);
  position: relative;
  overflow: hidden;
  color: var(--color-white);
}

.course-hero--has-bg { min-height: 480px; }

.course-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.course-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0, 61, 107, 0.88) 0%, rgba(0, 120, 215, 0.75) 100%);
  z-index: 0;
}

.course-hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.course-hero__content .breadcrumbs,
.course-hero__content .breadcrumbs a { color: rgba(255, 255, 255, 0.7); }
.course-hero__content .breadcrumbs a:hover { color: var(--color-white); }

.course-hero__badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  margin-top: var(--space-4);
}

.course-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.course-badge--category { background: rgba(255,255,255,0.2); color: var(--color-white); }
.course-badge--type     { background: var(--color-highlight); color: var(--color-black); }
.course-badge--classroom{ background: #28a745; color: var(--color-white); }
.course-badge--live     { background: #ff6b35; color: var(--color-white); }
.course-badge--recorded { background: var(--color-primary); color: var(--color-white); }

.course-hero__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-5xl));
  color: var(--color-white);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.course-hero__excerpt {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-5);
  line-height: var(--leading-loose);
}

.course-hero__rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.course-hero__rating-value {
  font-weight: var(--font-weight-bold);
  color: var(--color-highlight);
}

.course-hero__rating-count {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.course-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.course-hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
}

/* ── Star Rating ─────────────────────────────────────────────────── */
.star-rating {
  display: inline-flex;
  gap: 2px;
}

.star-rating svg { display: inline-block; }

/* ── Course Layout (2-col content + sidebar) ─────────────────────── */
.course-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-12);
  align-items: start;
}

.course-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

/* ── What You'll Learn ───────────────────────────────────────────── */
.what-you-learn {
  background: var(--color-primary-10);
  border: 1px solid var(--color-primary-20);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.what-you-learn h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}

.what-you-learn__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.what-you-learn__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
}

.what-you-learn__icon {
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
}

/* Requirements */
.course-requirements {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-primary-20);
}

.course-requirements h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}

.course-requirements__list {
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Course Description ──────────────────────────────────────────── */
.course-description h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}

.course-description__body { font-size: var(--text-base); line-height: var(--leading-loose); }
.course-description__body p { margin-bottom: var(--space-4); }

/* ── Syllabus ────────────────────────────────────────────────────── */
.course-syllabus__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.course-syllabus__header h2 { font-size: var(--text-xl); margin: 0; }

.course-syllabus__modules {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.syllabus-module {
  border-bottom: 1px solid var(--color-border);
}

.syllabus-module:last-child { border-bottom: none; }

.syllabus-module__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  background: var(--color-white);
  transition: background var(--ease-fast);
  list-style: none;
  user-select: none;
}

.syllabus-module__header::-webkit-details-marker { display: none; }
.syllabus-module__header::marker { display: none; }

.syllabus-module[open] > .syllabus-module__header { background: var(--color-primary-10); }

.syllabus-module__header:hover { background: var(--color-shade); }

.syllabus-module__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--ease-fast);
  display: flex;
}

.syllabus-module[open] > .syllabus-module__header .syllabus-module__icon {
  transform: rotate(180deg);
}

.syllabus-module__title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  flex: 1;
}

.syllabus-module__meta {
  font-size: var(--text-xs);
  white-space: nowrap;
}

.syllabus-module__lessons {
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.syllabus-lesson {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5) var(--space-3) var(--space-10);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.syllabus-lesson:last-child { border-bottom: none; }

.syllabus-lesson__icon {
  flex-shrink: 0;
  display: flex;
  color: var(--color-text-muted);
}

.syllabus-lesson__icon--video    { color: var(--color-primary); }
.syllabus-lesson__icon--quiz     { color: var(--color-highlight); }
.syllabus-lesson__icon--live     { color: #ff6b35; }
.syllabus-lesson__icon--assignment { color: var(--color-support); }

.syllabus-lesson__title { flex: 1; }

.syllabus-lesson__duration {
  font-size: var(--text-xs);
  white-space: nowrap;
}

/* ── Trainer Bio ─────────────────────────────────────────────────── */
.trainer-bio h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

.trainer-bio__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.trainer-bio__card {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: 0;
}

.trainer-bio__card + .trainer-bio__card {
  margin-top: var(--space-8);
}

.trainer-bio__photo {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-border);
}

.trainer-bio__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trainer-bio__photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trainer-bio__details { flex: 1; }

.trainer-bio__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.trainer-bio__name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.trainer-bio__role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.trainer-bio__social {
  display: flex;
  gap: var(--space-2);
}

.trainer-bio__stats {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.trainer-bio__stat {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.trainer-bio__stat strong {
  display: block;
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-black);
}

.trainer-bio__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

.trainer-bio__excerpt p { margin: 0; }

/* ── Course Sidebar ──────────────────────────────────────────────── */
.course-sidebar {
  position: sticky;
  top: 100px;
}

.course-sidebar__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.course-sidebar__thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.course-sidebar__body {
  padding: var(--space-6);
}

.course-sidebar__price {
  margin-bottom: var(--space-4);
}

.course-sidebar__price-value {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
}

.course-sidebar__price-free {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-black);
  color: var(--color-support);
  line-height: 1;
}

/* Course details key-value list */
.course-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
}

.course-details-list__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.course-details-list__item:last-child { border-bottom: none; }

.course-details-list__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  display: flex;
}

.course-details-list__label {
  flex: 1;
  color: var(--color-text-muted);
}

.course-details-list__value {
  font-weight: var(--font-weight-semibold);
}

/* Course includes */
.course-includes {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.course-includes__title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.course-includes__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-includes__list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.course-includes__list svg { flex-shrink: 0; color: var(--color-primary); }

/* ── Related Courses ─────────────────────────────────────────────── */
.related-courses.bg-shade { background-color: var(--color-shade); }

/* ── Course Tools ────────────────────────────────────────────────── */
.course-tools {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-primary-20);
}
.course-tools h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}
.course-tools__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.course-tools__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-white);
  border: 1.5px solid var(--color-primary-20);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: var(--ease-fast);
}
.course-tools__chip:hover {
  background: var(--color-primary-10);
  border-color: var(--color-primary);
}

/* ── Course FAQ ──────────────────────────────────────────────────── */
.course-faq__header {
  margin-bottom: var(--space-8);
}
.course-faq__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.course-faq__header h2 {
  font-size: var(--text-2xl);
  margin: 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: none; }

.faq-item__details { background: var(--color-white); }

.faq-item__summary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--ease-fast);
}
.faq-item__summary::-webkit-details-marker { display: none; }
.faq-item__summary:hover { background: var(--color-primary-10); }

.faq-item__details[open] .faq-item__summary { background: var(--color-primary-10); }

.faq-item__num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: var(--color-primary-20);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item__details[open] .faq-item__num {
  background: var(--color-primary);
  color: var(--color-white);
}

.faq-item__question {
  flex: 1;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.faq-item__toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-white);
  transition: var(--ease-fast);
}
.faq-item__summary:hover .faq-item__toggle { border-color: var(--color-primary); }

.faq-item__icon-minus { display: none; }
.faq-item__details[open] .faq-item__icon-plus  { display: none; }
.faq-item__details[open] .faq-item__icon-minus { display: block; }
.faq-item__details[open] .faq-item__toggle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.faq-item__body {
  padding: 0 var(--space-6) var(--space-5) calc(var(--space-6) + 28px + var(--space-4));
  background: var(--color-white);
}
.faq-item__body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
  margin: 0;
}

/* ── Course Testimonials ─────────────────────────────────────────── */
.course-testimonials {
  background: var(--color-shade);
  padding: var(--space-10);
  border-radius: var(--radius-xl);
}
.course-testimonials h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}
.course-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.course-testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.course-testimonial-card__quote {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-loose);
  font-style: italic;
  flex: 1;
  margin: 0;
}
.course-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}
.course-testimonial-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.course-testimonial-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.course-testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  display: block;
}
.course-testimonial-card__role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.course-testimonial-card__linkedin {
  color: #0a66c2;
  display: flex;
  align-items: center;
}
.course-testimonial-card__linkedin:hover { opacity: 0.8; }

/* ── Academy Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .course-layout { grid-template-columns: 1fr; }
  .course-sidebar { position: static; }
  .course-sidebar__card { max-width: 480px; }
}

@media (max-width: 768px) {
  .what-you-learn__grid { grid-template-columns: 1fr; }
  .trainer-bio__card    { flex-direction: column; }
  .trainer-bio__header  { flex-direction: column; }
}

@media (max-width: 640px) {
  .course-hero__meta { flex-direction: column; gap: var(--space-3); align-items: flex-start; text-align: left; }
}

/* ── Course Type Pills (sidebar) ─────────────────────────────────── */
.course-type-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 20px;
  margin-bottom: var(--space-4);
}

.course-type-pill--live {
  background: #fff3f3;
  color: #c0392b;
  border: 1px solid #ffc9c9;
}

.course-type-pill--classroom {
  background: #f0f4ff;
  color: #2563eb;
  border: 1px solid #bfcfff;
}

.course-type-pill--self-paced {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

/* ── Course Batch / Venue Info block (sidebar) ───────────────────── */
.course-batch-info {
  background: var(--color-bg-alt, #f8f9fa);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.course-batch-info__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.course-batch-info__row svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

.course-batch-info__label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  margin-bottom: 2px;
}

.course-batch-info__val {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  line-height: 1.3;
}

/* ── Hero meta highlight (next batch date) ───────────────────────── */
.course-hero__meta-item--highlight {
  color: #ffd166;
  font-weight: var(--font-weight-semibold);
}

/* ── Course type badge colours in hero ───────────────────────────── */
.course-badge--online-live,
.course-badge--live       { background: rgba(192,57,43,0.15); color: #ffd5d0; }
.course-badge--classroom  { background: rgba(37,99,235,0.15); color: #c7d8ff; }
.course-badge--self-paced,
.course-badge--recorded   { background: rgba(22,163,74,0.15); color: #bbf7d0; }

/* ── Registration Modal ──────────────────────────────────────────── */
.reg-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}
.reg-modal[hidden] { display: none; }

.reg-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.reg-modal__box {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  border-radius: var(--radius-xl, 16px);
  padding: var(--space-8);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
  animation: reg-slide-up 0.3s cubic-bezier(0.22,1,0.36,1) both;
}

@keyframes reg-slide-up {
  from { opacity:0; transform:translateY(24px) scale(0.97); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}

.reg-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-shade);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
  transition: var(--ease-fast);
}
.reg-modal__close:hover { background: var(--color-border); }

.reg-modal__header { margin-bottom: var(--space-6); }
.reg-modal__title  { font-size: var(--text-xl); margin-bottom: var(--space-1); }
.reg-modal__course-name {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.reg-modal__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.reg-modal__field--full { grid-column: 1 / -1; }

.reg-modal__field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-1);
  color: var(--color-black);
}
.reg-modal__field label span { color: var(--color-primary); }

.reg-modal__field input,
.reg-modal__field textarea {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  transition: border-color 0.2s;
}
.reg-modal__field input:focus,
.reg-modal__field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.reg-modal__field textarea { resize: vertical; min-height: 80px; }

.reg-modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.reg-modal__status { font-size: var(--text-sm); flex: 1; margin: 0; }
.reg-modal__status--success { color: #2e7d32; }
.reg-modal__status--error   { color: #c62828; }

@media (max-width: 540px) {
  .reg-modal__fields { grid-template-columns: 1fr; }
  .reg-modal__box    { padding: var(--space-6); }
  .reg-modal__footer { flex-direction: column-reverse; align-items: stretch; }
  .reg-modal__footer .btn { width: 100%; justify-content: center; }
}