/* =============================================================================
   Single Course Page – BEM Stylesheet
   flatsome-child/assets/css/single-course.css
   ============================================================================= */

/* ── Design tokens ──────────────────────────────────────────────────────────── */
:root {
  --sc-primary:     #3b2fcc;
  --sc-secondary:   #6c47ff;
  --sc-accent:      #a78bfa;
  --sc-hero-from:   #1e1b4b;
  --sc-hero-mid:    #312e81;
  --sc-hero-to:     #4c1d95;
  --sc-white:       #ffffff;
  --sc-gray-50:     #f8fafc;
  --sc-gray-100:    #f1f5f9;
  --sc-gray-200:    #e2e8f0;
  --sc-gray-500:    #64748b;
  --sc-gray-700:    #334155;
  --sc-gray-800:    #1e293b;
  --sc-green:       #16a34a;
  --sc-r-sm:        8px;
  --sc-r-md:        16px;
  --sc-r-lg:        24px;
  --sc-shadow-sm:   0 2px 8px rgba(0,0,0,.06);
  --sc-shadow-md:   0 8px 24px rgba(0,0,0,.10);
  --sc-shadow-lg:   0 20px 60px rgba(0,0,0,.15);
  --sc-ease:        0.25s ease;
  --sc-max:         1200px;
}

body.single-courses #main {
  background-color: #F3F5F8;
}

/* ── Reset helpers ──────────────────────────────────────────────────────────── */
.sc-page { overflow-x: hidden; }

.sc-container {
  max-width: var(--sc-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ── Shared button ──────────────────────────────────────────────────────────── */
.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--sc-r-sm);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--sc-ease), transform var(--sc-ease), box-shadow var(--sc-ease);
  white-space: nowrap;
}

.sc-btn--hero {
  background: var(--sc-white);
  color: #0200B9;
  border-radius: 100px;
  padding: 6px 10px;
  font-size: 20px;
  font-weight: 700;
}

.sc-btn--enroll {
  background: linear-gradient(272.56deg, #0200B9 0.03%, #020160 53.49%, #020207 99.97%);
  color: #fff !important;
}

.sc-btn--full { width: 100%; justify-content: center; }

/* ── HERO ────────────────────────────────────────────────────────────────────── */
.sc-hero {
  background-image: url(https://ktech9.k-tech-services.com/project521/wp-content/uploads/2026/05/71c9d45….png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  padding-block: 4rem 5rem;
  position: relative;
  overflow: hidden;
  color: #fff;
  min-height: 650px;
  display: flex;
  align-items: center;
  justify-content: start;
}

.sc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(270deg, rgba(2, 0, 185, 0) 0%, rgba(2, 0, 185, 0.29) 35.33%, rgba(2, 0, 185, 0.64) 83.29%);
  pointer-events: none;
  width: 80%;
}

.sc-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .sc-hero__inner { grid-template-columns: 1fr 400px; }
}

/* Breadcrumb */
.sc-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .3rem .5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: .83rem;
}

.sc-breadcrumb__link {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  transition: color var(--sc-ease);
}

.sc-breadcrumb__link:hover { color: var(--sc-white); }

.sc-breadcrumb__item--current,
.sc-breadcrumb__sep { color: rgba(255,255,255,.45); }

/* Title */
.sc-hero__title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 10px;
  color: #fff;
}

/* Excerpt */
.sc-hero__excerpt {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.4;
  color: #fff;
  margin: 0 0 35px;
  width: 610px;
  max-width: 100%;
}

/* Rating */
.sc-hero__rating {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: 1rem;
  font-size: .9rem;
}

.sc-star { color: rgba(255,255,255,.28); }
.sc-star--on { color: #facc15; }

.sc-hero__rating-avg { font-weight: 700; font-size: 1rem; }
.sc-hero__rating-count { color: rgba(255,255,255,.65); }

/* Meta chips */
.sc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.25rem;
  margin-bottom: 1.25rem;
}

.sc-hero__meta-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .88rem;
  color: rgba(255,255,255,.82);
}

/* Instructor by-line */
.sc-hero__instructor {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.75rem;
}

.sc-hero__instructor-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.5);
  object-fit: cover;
  flex-shrink: 0;
}

.sc-hero__instructor-name { font-size: .92rem; color: rgba(255,255,255,.8); }

/* Hero thumbnail (right) */
.sc-hero__right {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-hero__thumb-wrap {
  position: relative;
  z-index: 1;
  border-radius: var(--sc-r-lg);
  overflow: visible;
  box-shadow: var(--sc-shadow-lg);
  width: 100%;
  max-width: 440px;
}

.sc-hero__thumb-wrap > img {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--sc-r-lg);
}

.sc-hero__instructor-badge {
  position: absolute;
  bottom: -18px;
  left: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 3px solid var(--sc-white);
  overflow: hidden;
  box-shadow: var(--sc-shadow-md);
  z-index: 2;
}

.sc-hero__instructor-badge img { width: 100%; height: 100%; object-fit: cover; }

/* Blobs */
.sc-hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  opacity: .3;
  pointer-events: none;
  z-index: 0;
}

.sc-hero__blob--1 {
  width: 280px;
  height: 280px;
  background: var(--sc-secondary);
  top: -70px;
  right: -50px;
}

.sc-hero__blob--2 {
  width: 200px;
  height: 200px;
  background: var(--sc-accent);
  bottom: -30px;
  right: 60px;
}

/* ── MAIN LAYOUT ─────────────────────────────────────────────────────────────── */
.sc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: 2.5rem 4rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .sc-layout {
    grid-template-columns: 1fr 340px;
    gap: 3rem;
  }
}

/* ── SECTIONS ────────────────────────────────────────────────────────────────── */
.sc-section { 
  border-radius: 20px;
  padding: 20px;
  background-color: #FFFFFF;
  margin-bottom: 2.5rem; 
}
.sc-section:last-child { margin-bottom: 0; }

.sc-section--card {
  background: linear-gradient(135deg, #f0f4ff 0%, #f5f0ff 100%);
  border: 1px solid rgba(108,71,255,.12);
  border-radius: var(--sc-r-md);
  padding: 1.75rem;
}

.sc-section__heading {
  font-size: 32px;
  font-weight: 700;
  color: #020207;
  margin: 0 0 30px;
}

.sc-section-curriculum .sc-section__heading {
  color: #F1A61F;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.sc-section-curriculum .sc-section__subheading {
  font-weight: 700;
  font-size: 24px;
  line-height: 1.4;
  color: #30358B;
}

.sc-section__heading--nobar { border-bottom: none; padding-bottom: 0; }

/* Prose */
.sc-prose {
  font-size: .98rem;
  line-height: 1.82;
  color: var(--sc-gray-700);
}
.sc-prose p,
.sc-prose li { 
  font-size: 18px;
  font-weight: 400;
  color: #333333;
  margin-bottom: 1em; 
}
.sc-prose p:last-child { margin-bottom: 0; }
.sc-prose h2, .sc-prose h3, .sc-prose h4 { 
  color: #30358B; 
  font-weight: 700; 
  font-size: 24px;
  margin-bottom: 20px;
}
.sc-prose ul, 
.sc-prose ol { 
  font-size: 18px;
  font-weight: 400;
  padding-left: 1.4em; 
}

/* ── CHECKLISTS ──────────────────────────────────────────────────────────────── */
.sc-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.sc-checklist--grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
}

@media (min-width: 640px) {
  .sc-checklist--grid { grid-template-columns: 1fr 1fr; }
}

.sc-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .95rem;
  color: var(--sc-gray-700);
  line-height: 1.55;
}

.sc-checklist__icon {
  flex-shrink: 0;
  margin-top: .15rem;
  color: var(--sc-secondary);
}

/* ── ACCORDION ───────────────────────────────────────────────────────────────── */
.sc-accordion__item { border-bottom: 1px solid var(--sc-gray-200); }
.sc-accordion__item:last-child { border-bottom: none; }

.sc-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 0;
  margin: 0 0 20px;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: .97rem;
  font-weight: 600;
  color: var(--sc-gray-800);
}

.sc-accordion__icon { color: var(--sc-secondary); flex-shrink: 0; line-height: 0; }
.sc-accordion__header {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.sc-accordion__title {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  font-size: 20px;
  font-weight: 700;
  color: #000000;
  text-transform: none;
}

.sc-accordion__summary {
  font-size: 18px;
  font-weight: 400;
  color: #5C5D67;
  line-height: 1.5;
  text-transform: none;
  white-space: normal;
}

.sc-accordion__count {
  font-size: .78rem;
  font-weight: 500;
  color: var(--sc-gray-500);
  white-space: nowrap;
  background: var(--sc-gray-100);
  padding: .25rem .55rem;
  border-radius: 999px;
}

.sc-accordion__chevron {
  transition: transform .3s ease;
  flex-shrink: 0;
  color: var(--sc-gray-500);
  line-height: 0;
}

.sc-accordion__item--open > .sc-accordion__trigger .sc-accordion__chevron {
  transform: rotate(180deg);
}

.sc-accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s cubic-bezier(.4,0,.2,1);
}

/* ── LESSON LIST ─────────────────────────────────────────────────────────────── */
.sc-lesson-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sc-lesson-list__item {
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 0;
  margin: 0;
  font-size: 18px;
  color: #5C5D67;
}

.sc-lesson-list__icon { flex-shrink: 0; color: var(--sc-accent); line-height: 0; }
.sc-lesson-list__title { 
  font-size: 18px;
  font-weight: 400;
  color: #5C5D67;
  flex: 1; 
}
.sc-lesson-list__duration { font-size: .8rem; color: var(--sc-gray-500); white-space: nowrap; }

/* ── SIDEBAR ─────────────────────────────────────────────────────────────────── */
.sc-sidebar { position: relative; }

@media (min-width: 1024px) {
  .sc-sidebar {
    position: sticky;
    top: 2rem;
  }
}

.sc-sidebar__card {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid #30358B;
  overflow: hidden;
  background-color: #fff;
}

.sc-sidebar__thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 18px;
}

.sc-sidebar__body { 
  padding: 20px 0 0; 
}

.sc-sidebar__title {
  font-size: 23px;
  font-weight: 700;
  color: #202020;
  margin: 0 0 20px;
  line-height: 1.3;
}

.sc-sidebar__price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sc-primary);
  margin-bottom: 1rem;
}

.sc-price-free { color: var(--sc-green); }

/* Progress */
.sc-sidebar__progress { margin-bottom: 1.25rem; }

.sc-progress-bar {
  height: 6px;
  background: var(--sc-gray-200);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: .4rem;
}

.sc-progress-bar__fill {
  height: 100%;
  background: linear-gradient(272.56deg, #0200B9 0.03%, #020160 53.49%, #020207 99.97%);
  border-radius: 999px;
  transition: width .6s ease;
}

.sc-progress-bar__label { 
  font-size: 16px;
  color: #6F6D6D;
  font-weight: 400;
}

/* Sidebar meta */
.sc-sidebar__meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.sc-sidebar__meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 16px;
  color: #6F6D6D;
  font-weight: 400;
  margin-bottom: 0;
}

.sc-sidebar__meta-item svg { color: var(--sc-secondary); flex-shrink: 0; }

/* Ensure Tutor enroll button fits */
.sc-sidebar__cta .tutor-btn,
.sc-sidebar__cta .tutor-course-enroll-btn,
.sc-sidebar__cta input[type="submit"],
.sc-sidebar__cta button[type="submit"] {
  width: 100% !important;
  border-radius: var(--sc-r-sm) !important;
  margin: 0 !important;
}
.sc-sidebar__cta button[type="submit"] {
  margin-top: 20px !important;
}
/* ── SUGGESTED COURSES ───────────────────────────────────────────────────────── */
.sc-suggested {
  padding-bottom: 50px;
}

.sc-suggested__heading {
  font-size: 35px;
  font-weight: 700;
  margin: 0 0 40px;
  text-align: center;
  background: linear-gradient(321.04deg, #0200B9 22.36%, #020207 77.64%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;

}

/* ── Suggested card grid ──────────────────────────────────────────────────── */
.sc-sug-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .sc-sug-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .sc-sug-cards { grid-template-columns: repeat(3, 1fr); }
}

/* ── Suggested card ──────────────────────────────────────────────────────── */
.sc-sug-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid #30358B;
  padding: 20px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

/* Thumbnail */
.sc-sug-card__thumb-link {
  display: block;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: 16px;
}

.sc-sug-card__thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 16px;
  transition: transform 0.3s ease;
}

.sc-sug-card:hover .sc-sug-card__thumb {
  transform: scale(1.05);
}

.sc-sug-card__thumb--empty {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--sc-gray-100);
}

/* Discount badge */
.sc-sug-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(30, 30, 30, 0.72);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 6px;
  line-height: 1.4;
  backdrop-filter: blur(4px);
}

/* Card body */
.sc-sug-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.sc-sug-card__title {
  font-size: 23px;
  font-weight: 700;
  line-height: 1.4;
  color: #202020;
  margin-top: 20px !important;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sc-sug-card__title a {
  color: #1a1a2e;
  text-decoration: none;
  transition: color 0.2s ease;
}

.sc-sug-card__title a:hover {
  color: var(--sc-primary);
}

.sc-sug-card__excerpt {
  font-size: 0.85rem;
  color: var(--sc-gray-500);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── "Xem thêm" button ───────────────────────────────────────────────────── */
.sc-suggested__more {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.sc-suggested__more-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(272.56deg, #0200B9 0.03%, #020160 53.49%, #020207 99.97%);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  padding: 13px 20px 13px 28px;
  border-radius: 100px;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.sc-suggested__more-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  color: #fff;
}

.sc-suggested__more-btn svg {
  flex-shrink: 0;
}

/* ── MOBILE STICKY BAR ───────────────────────────────────────────────────────── */
.sc-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--sc-white);
  box-shadow: 0 -4px 24px rgba(0,0,0,.12);
  z-index: 200;
  padding: .75rem 1.25rem calc(.75rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--sc-gray-200);
}

@media (max-width: 1023px) {
  .sc-sticky-bar { display: block; }
}

.sc-sticky-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--sc-max);
  margin-inline: auto;
}

.sc-sticky-bar__price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--sc-primary);
  white-space: nowrap;
}

.sc-sticky-bar .tutor-btn,
.sc-sticky-bar .tutor-course-enroll-btn,
.sc-sticky-bar input[type="submit"],
.sc-sticky-bar button[type="submit"] {
  border-radius: var(--sc-r-sm) !important;
  flex-shrink: 0;
}

/* ── Responsive tweaks ───────────────────────────────────────────────────────── */
@media (max-width: 639px) {
  .sc-hero { padding-block: 2.5rem 3.5rem; }
  .sc-section--card { padding: 1.25rem; }
}

/* ── Save Course (Wishlist) Button ────────────────────────────────────────── */

.sc-save-course-wrapper {
    margin-top: 10px;
}

.sc-save-course-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: transparent;
    border: 1.5px solid #d1d5db;
    border-radius: 10px;
    color: #6b7280;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    line-height: 1;
}

.sc-save-course-button:hover {
    border-color: #0200B9;
    color: #0200B9;
    background: rgba(2, 0, 185, 0.04);
}

/* Saved state */
.sc-save-course-button--saved {
    border-color: #0200B9;
    color: #0200B9;
    background: rgba(2, 0, 185, 0.06);
}

.sc-save-course-button--saved .sc-save-course-icon path {
    fill: #0200B9;
    stroke: #0200B9;
}

.sc-save-course-icon {
    flex-shrink: 0;
    transition: fill 0.2s ease, stroke 0.2s ease;
}

/* Disabled / loading state */
.sc-save-course-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 768px) {
  .sc-container .sc-hero__left {
    max-width: 100%;
    min-width: 100%;
  }
  .sc-hero__title {
    font-size: 20px;
    line-height: 1.3;
  }
  .sc-hero__excerpt {
    font-size: 14px;
    line-height: 1.4;
  }
  .sc-hero {
    min-height: 204px;
  }
  .sc-btn--hero {
    font-size: 14px;
  }
  .sc-layout {
    display: flex;
    flex-direction: column-reverse;
  }
  .sc-section__heading {
    margin-bottom: 12px;
  }
  .sc-prose h2, 
  .sc-prose h3, 
  .sc-prose h4 {
    margin-bottom: 8px;
  }
}