/* =========================================================
   SICHYALAYA — Components CSS
   Navbar, Footer, Course Card, Category Card, Testimonial
   ========================================================= */

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.navbar.scrolled {
  background: rgba(10,9,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.nav-logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: -0.04em;
  color: var(--text-primary);
}
.nav-logo-text span { color: var(--accent-primary); }

/* Categories dropdown trigger */
.nav-categories-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}
.nav-categories-btn:hover { color: var(--text-primary); }
.nav-categories-btn svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.nav-categories-btn.open svg { transform: rotate(180deg); }

/* Search Bar */
.nav-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.nav-search input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}
.nav-search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.nav-search-icon svg { width: 18px; height: 18px; }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}
.nav-link {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Mobile Menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(10,9,20,0.97);
  backdrop-filter: blur(20px);
  padding: var(--space-6) var(--container-pad) var(--space-8);
  border-top: 1px solid var(--border-subtle);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-3);
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-base);
}
.nav-mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.nav-mobile-menu .nav-link {
  font-size: var(--text-base);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
}

@media (max-width: 960px) {
  .nav-categories-btn, .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-actions .btn-ghost { display: none; }
}
@media (max-width: 640px) {
  .nav-search { display: none; }
}


/* ── COURSE CARD ── */
.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-accent);
  border-color: transparent;
}

.course-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-elevated);
}
.course-card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.course-card:hover .course-card-thumb img { transform: scale(1.05); }

.course-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.course-card:hover .course-card-overlay { opacity: 1; }
.play-btn {
  width: 52px; height: 52px;
  background: rgba(164,53,240,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform var(--transition-bounce), background var(--transition-fast);
  backdrop-filter: blur(4px);
}
.course-card:hover .play-btn { transform: scale(1); }
.play-btn svg { width: 22px; height: 22px; color: #fff; margin-left: 3px; }

.course-card-badge {
  position: absolute;
  top: 10px; left: 10px;
}

.course-card-body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-card-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-base);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-primary);
}

.course-card-instructor {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
  flex-wrap: wrap;
}

.course-card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
}
.course-card-rating .score {
  font-weight: 700;
  color: var(--accent-gold);
}
.course-card-rating .stars { font-size: 11px; color: var(--accent-gold); }
.course-card-rating .count { color: var(--text-muted); }

.course-card-footer {
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.course-card-price {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
}
.course-card-price.free { color: var(--accent-green); }
.course-card-price-orig {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 400;
}
.course-card-students {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.course-card-students svg { width: 14px; height: 14px; }


/* ── CATEGORY CARD ── */
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.category-card:hover::before { opacity: 1; }
.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.category-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
  position: relative;
  z-index: 1;
}
.category-card:hover .category-icon { transform: scale(1.15) rotate(-5deg); }

.category-info { position: relative; z-index: 1; }
.category-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: 4px;
}
.category-count { font-size: var(--text-xs); color: var(--text-muted); }


/* ── TESTIMONIAL CARD ── */
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px; right: 20px;
  font-size: 120px;
  color: rgba(164,53,240,0.1);
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}
.testimonial-card:hover { transform: translateY(-4px); }

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: var(--text-sm);
  position: relative;
  z-index: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-author-info { flex: 1; }
.testimonial-author-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}
.testimonial-author-role { font-size: var(--text-xs); color: var(--text-muted); }
.testimonial-stars {
  display: flex;
  gap: 2px;
  color: var(--accent-gold);
  margin-bottom: 4px;
}
.testimonial-stars svg { width: 13px; height: 13px; }


/* ── INSTRUCTOR CARD ── */
.instructor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
}
.instructor-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}
.instructor-card-cover {
  height: 80px;
  background: var(--grad-primary);
  position: relative;
}
.instructor-card-avatar {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 3px solid var(--bg-card);
  object-fit: cover;
}
.instructor-card-body {
  padding: var(--space-8) var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
}
.instructor-card-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
}
.instructor-card-title {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.instructor-card-stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-2);
}
.instructor-stat {
  text-align: center;
}
.instructor-stat-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--accent-primary);
}
.instructor-stat-label { font-size: var(--text-xs); color: var(--text-muted); }


/* ── FOOTER ── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand .nav-logo { margin-bottom: var(--space-4); }
.footer-tagline {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.social-link {
  width: 38px; height: 38px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.social-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: rgba(164,53,240,0.1);
}
.social-link svg { width: 18px; height: 18px; }

.footer-col-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-link {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: var(--accent-primary); }

.footer-newsletter-form {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.footer-newsletter-form input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}
.footer-newsletter-form input:focus { border-color: var(--accent-primary); }
.footer-newsletter-form input::placeholder { color: var(--text-muted); }

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-copy { color: var(--text-muted); font-size: var(--text-sm); }
.footer-legal {
  display: flex;
  gap: var(--space-6);
}
.footer-legal a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}
.footer-legal a:hover { color: var(--text-secondary); }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}


/* ── STAT BAR COMPONENT ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
}
.stat-item {
  text-align: center;
  padding: var(--space-4) var(--space-8);
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-subtle);
}
.stat-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: var(--text-3xl);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { color: var(--text-muted); font-size: var(--text-sm); }

@media (max-width: 600px) {
  .stat-item { padding: var(--space-4); }
  .stat-item + .stat-item::before { display: none; }
  .stat-value { font-size: var(--text-2xl); }
}


/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb-sep { color: var(--text-muted); }
.breadcrumb-current { color: var(--text-secondary); }


/* ── TAG FILTER PILLS ── */
.filter-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.filter-pill {
  padding: 8px 18px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}
.filter-pill:hover, .filter-pill.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}


/* ── EMPTY STATE ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-6);
  gap: var(--space-4);
}
.empty-state-icon {
  font-size: 64px;
  opacity: 0.5;
}
.empty-state h3 {
  font-size: var(--text-xl);
  color: var(--text-secondary);
}
.empty-state p { color: var(--text-muted); font-size: var(--text-sm); }