/**
 * SA Skill Sphere - Courses Page Styles
 *
 * Dark theme with gold accents matching the design mockup.
 * All classes prefixed with .sass- to prevent theme conflicts.
 *
 * @package SA_Skill_Sphere
 * @since 1.0.0
 */

/* ============================================================
 * CSS Variables (Courses Scope)
 * ============================================================ */
.sass-courses-wrapper {
  --sass-c-primary: #0a1030;
  --sass-c-primary-dark: #060924;
  --sass-c-primary-light: #131a44;
  --sass-c-accent: #d4a835;
  --sass-c-accent-light: #f0c96e;
  --sass-c-accent-dark: #b8901f;
  --sass-c-text: #ffffff;
  --sass-c-text-muted: rgba(255, 255, 255, 0.7);
  --sass-c-text-dim: rgba(255, 255, 255, 0.5);
  --sass-c-card-bg: linear-gradient(145deg, #0f1638 0%, #0a1030 100%);
  --sass-c-card-border: rgba(212, 168, 53, 0.2);
  --sass-c-card-border-hover: rgba(212, 168, 53, 0.6);
  --sass-c-radius: 16px;
  --sass-c-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  --sass-c-shadow-hover: 0 12px 40px rgba(212, 168, 53, 0.25);
  --sass-c-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
 * Wrapper
 * ============================================================ */
.sass-courses-wrapper {
  position: relative;
  background: var(--sass-c-primary);
  background: linear-gradient(180deg, var(--sass-c-primary) 0%, var(--sass-c-primary-dark) 100%);
  color: var(--sass-c-text);
  padding: 80px 0 100px;
  font-family:
    'Poppins',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
  overflow: hidden;
  box-sizing: border-box;
}

.sass-courses-wrapper *,
.sass-courses-wrapper *::before,
.sass-courses-wrapper *::after {
  box-sizing: border-box;
}

/* ============================================================
 * Container
 * ============================================================ */
.sass-courses-wrapper .sass-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ============================================================
 * Background Effects
 * ============================================================ */
.sass-courses-wrapper .sass-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.sass-courses-wrapper .sass-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
}

.sass-courses-wrapper .sass-bg-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--sass-c-accent) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: sass-glow-float 15s ease-in-out infinite;
}

.sass-courses-wrapper .sass-bg-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--sass-c-accent) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
  animation: sass-glow-float 18s ease-in-out infinite reverse;
}

.sass-courses-wrapper .sass-bg-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(212, 168, 53, 0.3) 1px, transparent 2px),
    radial-gradient(circle at 60% 70%, rgba(212, 168, 53, 0.2) 1px, transparent 2px),
    radial-gradient(circle at 80% 20%, rgba(212, 168, 53, 0.25) 1px, transparent 2px),
    radial-gradient(circle at 30% 80%, rgba(212, 168, 53, 0.2) 1px, transparent 2px);
  background-size:
    300px 300px,
    400px 400px,
    350px 350px,
    500px 500px;
  opacity: 0.6;
}

@keyframes sass-glow-float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.1);
  }
}

/* ============================================================
 * Section Header
 * ============================================================ */
.sass-courses-wrapper .sass-section-header {
  text-align: center;
  margin-bottom: 60px;
}

.sass-courses-wrapper .sass-section-tag {
  display: inline-block;
  color: var(--sass-c-accent);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
}

.sass-courses-wrapper .sass-section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--sass-c-text);
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

/* ============================================================
 * Grid
 * ============================================================ */
.sass-courses-wrapper .sass-courses-grid {
  display: grid;
  gap: 24px;
}

.sass-courses-wrapper .sass-grid-cols-1 {
  grid-template-columns: 1fr;
}
.sass-courses-wrapper .sass-grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
.sass-courses-wrapper .sass-grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.sass-courses-wrapper .sass-grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}
.sass-courses-wrapper .sass-grid-cols-5 {
  grid-template-columns: repeat(5, 1fr);
}
.sass-courses-wrapper .sass-grid-cols-6 {
  grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 1100px) {
  .sass-courses-wrapper .sass-grid-cols-4,
  .sass-courses-wrapper .sass-grid-cols-5,
  .sass-courses-wrapper .sass-grid-cols-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .sass-courses-wrapper .sass-grid-cols-3,
  .sass-courses-wrapper .sass-grid-cols-4,
  .sass-courses-wrapper .sass-grid-cols-5,
  .sass-courses-wrapper .sass-grid-cols-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .sass-courses-wrapper .sass-courses-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ============================================================
 * Course Card
 * ============================================================ */
.sass-courses-wrapper .sass-course-card {
  background: var(--sass-c-card-bg);
  border: 1px solid var(--sass-c-card-border);
  border-radius: var(--sass-c-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--sass-c-transition);
  box-shadow: var(--sass-c-shadow);
  opacity: 1;
}

.sass-courses-wrapper.sass-animations-on .sass-course-card {
  opacity: 0;
  transform: translateY(30px);
  animation: sass-card-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: var(--sass-anim-delay, 0s);
}

@keyframes sass-card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sass-courses-wrapper.sass-hover-on .sass-course-card:hover {
  transform: translateY(-8px);
  border-color: var(--sass-c-card-border-hover);
  box-shadow: var(--sass-c-shadow-hover);
}

/* Gold gradient border on hover */
.sass-courses-wrapper .sass-course-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--sass-c-radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--sass-c-accent) 50%, transparent 60%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.sass-courses-wrapper.sass-hover-on .sass-course-card:hover::before {
  opacity: 1;
}

/* Card Image */
.sass-courses-wrapper .sass-card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--sass-c-primary-light);
}

.sass-courses-wrapper .sass-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.sass-courses-wrapper.sass-hover-on .sass-course-card:hover .sass-card-image {
  transform: scale(1.05);
}

.sass-courses-wrapper .sass-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(10, 16, 48, 0.85);
  backdrop-filter: blur(8px);
  color: var(--sass-c-accent);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--sass-c-card-border);
}

/* Card Body */
.sass-courses-wrapper .sass-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sass-courses-wrapper .sass-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--sass-c-text);
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.2px;
}

.sass-courses-wrapper .sass-card-desc {
  color: var(--sass-c-text-muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

.sass-courses-wrapper .sass-card-desc p {
  margin: 0 0 8px 0;
}

.sass-courses-wrapper .sass-card-desc p:last-child {
  margin-bottom: 0;
}

/* Skills List */
.sass-courses-wrapper .sass-card-skills {
  list-style: none;
  margin: 4px 0 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sass-courses-wrapper .sass-skill-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sass-c-text-muted);
}

.sass-courses-wrapper .sass-skill-item svg {
  color: var(--sass-c-accent);
  flex-shrink: 0;
}

/* Card Footer */
.sass-courses-wrapper .sass-card-footer {
  padding: 0 20px 20px;
  margin-top: auto;
}

/* Buttons */
.sass-courses-wrapper .sass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--sass-c-transition);
  letter-spacing: 0.2px;
  line-height: 1.2;
}

.sass-courses-wrapper .sass-btn-block {
  display: flex;
  width: 100%;
}

.sass-courses-wrapper .sass-btn-primary {
  background: linear-gradient(135deg, var(--sass-c-accent) 0%, var(--sass-c-accent-dark) 100%);
  color: var(--sass-c-primary);
  box-shadow: 0 4px 12px rgba(212, 168, 53, 0.3);
}

.sass-courses-wrapper .sass-btn-primary:hover {
  background: linear-gradient(135deg, var(--sass-c-accent-light) 0%, var(--sass-c-accent) 100%);
  box-shadow: 0 6px 20px rgba(212, 168, 53, 0.5);
  transform: translateY(-2px);
  color: var(--sass-c-primary);
}

.sass-courses-wrapper .sass-btn-primary:focus-visible {
  outline: 2px solid var(--sass-c-accent-light);
  outline-offset: 3px;
}

.sass-courses-wrapper .sass-btn-arrow {
  transition: transform 0.3s;
}

.sass-courses-wrapper .sass-btn:hover .sass-btn-arrow {
  transform: translateX(4px);
}

/* ============================================================
 * Empty State
 * ============================================================ */
.sass-courses-wrapper .sass-empty-message {
  text-align: center;
  padding: 60px 20px;
  color: var(--sass-c-text-muted);
}

.sass-courses-wrapper .sass-empty-icon {
  color: var(--sass-c-accent);
  margin-bottom: 20px;
  opacity: 0.7;
}

.sass-courses-wrapper .sass-empty-message h3 {
  color: var(--sass-c-text);
  font-size: 22px;
  margin: 0 0 8px 0;
}

.sass-courses-wrapper .sass-empty-message p {
  margin: 0;
  font-size: 15px;
}

/* ============================================================
 * Reduced Motion
 * ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .sass-courses-wrapper *,
  .sass-courses-wrapper *::before,
  .sass-courses-wrapper *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .sass-courses-wrapper .sass-course-card {
    opacity: 1 !important;
    transform: none !important;
  }
}