/* ============================================================
   PORTAL MATERI KULIAH TEKNIK INFORMATIKA
   ============================================================ */

:root {
  /* Brand colors — Metallic Purple & White theme */
  --color-primary: #7C3AED;
  --color-primary-dark: #6D28D9;
  --color-primary-light: #8B5CF6;
  --color-white: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-border: #E6E1F5;
  --color-dark: #201A33;
  --color-text-muted: #6B6478;
  --color-text-faint: #A79FC0;

  /* Semantic  */
  --color-success: #16A34A;
  --color-warning: #D97706;

  /* Typography */
  --font-base: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(32, 26, 51, 0.05);
  --shadow-md: 0 4px 14px -2px rgba(124, 58, 237, 0.14), 0 2px 6px -2px rgba(32, 26, 51, 0.06);
  --shadow-lg: 0 16px 40px -8px rgba(124, 58, 237, 0.22), 0 6px 16px -4px rgba(32, 26, 51, 0.08);
  --shadow-navbar: 0 2px 18px rgba(32, 26, 51, 0.08);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --speed-fast: 180ms;
  --speed-mid: 320ms;

  /* ----------------------------------------------------------
     PURPLE METALLIC GRADIENT 
     ---------------------------------------------------------- */
  --bg-void: #140A2E;
  --bg-deep: #2E1065;
  --bg-indigo: #3B1670;
  --bg-royal: #4C1D95;
  --bg-glow-violet: rgba(167, 139, 250, 0.16);
  --bg-glow-blue: rgba(99, 102, 241, 0.14);
  --bg-glow-royal: rgba(46, 16, 101, 0.5);

  --text-on-metal: #F4F1FC;
  --text-on-metal-muted: rgba(244, 241, 252, 0.72);
  --text-on-metal-faint: rgba(244, 241, 252, 0.5);

  --glass-surface: rgba(255, 255, 255, 0.06);
  --glass-surface-strong: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.14);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg-void);
}

/* ============================================================
   PURPLE METALLIC GRADIENT 
   ============================================================ */
body {
  font-family: var(--font-base);
  color: var(--color-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 8%, var(--bg-glow-violet), transparent 42%),
    radial-gradient(circle at 88% 6%, var(--bg-glow-blue), transparent 40%),
    radial-gradient(circle at 50% 100%, var(--bg-glow-royal), transparent 60%),
    radial-gradient(ellipse at 50% 40%, transparent 55%, rgba(5, 2, 15, 0.35) 100%),
    linear-gradient(165deg, var(--bg-void) 0%, var(--bg-deep) 22%, var(--bg-indigo) 45%, var(--bg-royal) 65%, var(--bg-indigo) 85%, var(--bg-void) 100%);
  background-attachment: fixed;
  background-size: cover;
}

/* Canvas partikel dekoratif  */
#particles-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
  pointer-events: none;
}

a { text-decoration: none; }

.text-primary-brand { color: var(--color-primary) !important; }

.bg-soft {
  position: relative;
  background: radial-gradient(ellipse at top, rgba(167, 139, 250, 0.1), transparent 65%);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-base);
  font-weight: 600;
  color: var(--color-dark);
}

.fw-800 { font-weight: 800; }
.fw-700 { font-weight: 700; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #EDE9FE;
  background: var(--glass-surface-strong);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  color: var(--text-on-metal);
}

.section-subtitle {
  color: var(--text-on-metal-muted);
  font-size: 1rem;
  max-width: 620px;
}

.section-pad { padding: 88px 0; }
@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(165deg, var(--bg-void) 0%, var(--bg-indigo) 45%, var(--bg-royal) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
  animation: pulseLogo 1.6s ease-in-out infinite;
}

@keyframes pulseLogo {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.loading-text {
  font-size: 0.9rem;
  color: var(--text-on-metal-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
}

body.is-loading { overflow: hidden; }

.page-content {
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.page-content.is-visible { opacity: 1; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar-portal {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  transition: box-shadow var(--speed-mid) var(--ease), padding var(--speed-mid) var(--ease);
}

.navbar-portal.scrolled {
  box-shadow: var(--shadow-navbar);
  padding: 9px 0;
}

.navbar-brand-portal {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-dark) !important;
}

.navbar-brand-portal .brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.navbar-brand-portal .brand-text-sub {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  display: block;
  letter-spacing: 0.01em;
}

.navbar-portal .nav-link {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-dark);
  padding: 10px 16px !important;
  border-radius: 10px;
  position: relative;
  transition: color var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}

.navbar-portal .nav-link:hover {
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.06);
}

.navbar-portal .nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.navbar-portal .nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

@media (max-width: 991px) {
  .navbar-portal .nav-link.active::after { display: none; }
  .navbar-portal .nav-link.active { background: rgba(124, 58, 237, 0.08); }
}

.navbar-toggler-portal {
  border: none;
  padding: 6px;
}
.navbar-toggler-portal:focus { box-shadow: none; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-portal-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  padding: 13px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.94rem;
  transition: transform var(--speed-fast) var(--ease), box-shadow var(--speed-fast) var(--ease);
  box-shadow: 0 6px 18px -4px rgba(124, 58, 237, 0.4);
}
.btn-portal-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -4px rgba(124, 58, 237, 0.45);
  color: #fff;
}

.btn-portal-outline {
  background: transparent;
  color: var(--color-dark);
  border: 1.5px solid var(--color-border);
  padding: 13px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.94rem;
  transition: all var(--speed-fast) var(--ease);
}
.btn-portal-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.04);
}

.btn-portal-sm {
  padding: 8px 18px;
  font-size: 0.84rem;
  border-radius: 10px;
}

.btn-download {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-dark);
  font-weight: 500;
  font-size: 0.9rem;
  text-align: left;
  transition: all var(--speed-fast) var(--ease);
}
.btn-download:hover {
  border-color: var(--color-primary);
  background: rgba(124, 58, 237, 0.05);
  transform: translateX(3px);
}
.btn-download .dl-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.05rem;
}
.btn-download .dl-meta { flex: 1; }
.btn-download .dl-meta small { color: var(--color-text-muted); display: block; font-size: 0.74rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero-portal {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  color: #fff;
}

.hero-gradient-wrap {
  position: relative;
  overflow: hidden;
}

.section-on-dark .section-eyebrow {
  color: #EDE9FE;
  background: rgba(255, 255, 255, 0.14);
}
.section-on-dark .section-title { color: #fff; }
.section-on-dark .section-subtitle { color: rgba(255, 255, 255, 0.78); }
.section-on-dark .btn-portal-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.section-on-dark .btn-portal-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.hero-portal::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 900px 620px at 22% -10%, rgba(139, 92, 246, 0.5), transparent 65%),
    radial-gradient(ellipse 700px 520px at 100% 40%, rgba(167, 139, 250, 0.32), transparent 60%),
    radial-gradient(circle at 15% 20%, rgba(255,255,255,0.10) 0, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(255,255,255,0.08) 0, transparent 40%);
  pointer-events: none;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #EDE9FE;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.1rem, 1.3rem + 3.2vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 22px;
}

.hero-title .accent { color: #C4B5FD; }

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.84);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-hero-primary {
  background: #fff;
  color: var(--color-primary-dark);
  border: none;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 10px 30px -6px rgba(0,0,0,0.35);
  transition: transform var(--speed-fast) var(--ease);
}
.btn-hero-primary:hover { transform: translateY(-2px); color: var(--color-primary-dark); }

.btn-hero-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--speed-fast) var(--ease);
}
.btn-hero-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }

/* Hero visual: layered "stack of knowledge" illustration */
.hero-visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orbit-card {
  position: absolute;
  background: rgba(255,255,255,0.97);
  border-radius: 16px;
  box-shadow: 0 20px 45px -10px rgba(0,0,0,0.35);
  padding: 16px 18px;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  animation: floatCard 5s ease-in-out infinite;
}
.hero-orbit-card .oc-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.hero-orbit-card.card-1 { top: 6%; left: 2%; animation-delay: 0s; }
.hero-orbit-card.card-2 { top: 38%; right: 0%; animation-delay: 1.2s; }
.hero-orbit-card.card-3 { bottom: 4%; left: 12%; animation-delay: 2.1s; }

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-center-disc {
  width: 270px;
  height: 270px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.35), rgba(255,255,255,0.05) 60%);
  border: 1px solid rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-center-disc::before {
  content: '';
  position: absolute;
  inset: -18px;
  border: 1px dashed rgba(255,255,255,0.3);
  border-radius: 50%;
  animation: spinSlow 26s linear infinite;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }

.hero-center-disc .center-icon {
  font-size: 4.2rem;
  color: #fff;
  opacity: 0.95;
}

@media (max-width: 991px) {
  .hero-visual { height: 320px; margin-top: 24px; }
  .hero-center-disc { width: 160px; height: 160px; }
  .hero-orbit-card { font-size: 0.72rem; padding: 9px 13px; }
  .hero-orbit-card .oc-icon { width: 30px; height: 30px; font-size: 0.85rem; }
  .hero-orbit-card.card-1 { top: 0%; left: 0%; }
  .hero-orbit-card.card-2 { top: 42%; right: -2%; }
  .hero-orbit-card.card-3 { bottom: 0%; left: 6%; }
}

/* ============================================================
   COURSE CARDS
   ============================================================ */
.course-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  height: 100%;
  transition: transform var(--speed-mid) var(--ease), box-shadow var(--speed-mid) var(--ease), border-color var(--speed-mid) var(--ease);
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--speed-mid) var(--ease);
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.course-card:hover::before { transform: scaleX(1); }

.course-card .course-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: rgba(124, 58, 237, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  transition: background var(--speed-fast) var(--ease), color var(--speed-fast) var(--ease);
}
.course-card:hover .course-icon {
  background: var(--color-primary);
  color: #fff;
}

.course-card .sks-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.08);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.course-card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.course-card p {
  color: var(--color-text-muted);
  font-size: 0.87rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.course-card .card-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.course-card .card-link i { transition: transform var(--speed-fast) var(--ease); }
.course-card:hover .card-link i { transform: translateX(4px); }

/* Compact card for full course grid (58 courses) */
.course-mini-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--color-dark);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--speed-fast) var(--ease);
}
.course-mini-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -10px rgba(124, 58, 237, 0.32), var(--shadow-sm);
}
.course-mini-card .mini-num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(124, 58, 237, 0.09);
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   STATS
   ============================================================ */
.stats-section {
  background: linear-gradient(135deg, var(--color-dark), #120C24);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35), transparent 70%);
}

.stat-item { text-align: center; position: relative; z-index: 1; }
.stat-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  color: #C4B5FD;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 16px;
}
.stat-number {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.65); }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-bar {
  background: var(--glass-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
}
.breadcrumb-portal {
  margin: 0;
  font-size: 0.86rem;
}
.breadcrumb-portal .breadcrumb-item a {
  color: var(--text-on-metal-muted);
  font-weight: 500;
}
.breadcrumb-portal .breadcrumb-item a:hover { color: #fff; }
.breadcrumb-portal .breadcrumb-item.active { color: #C4B5FD; font-weight: 600; }
.breadcrumb-portal .breadcrumb-item + .breadcrumb-item::before {
  content: "\f285";
  font-family: "bootstrap-icons";
  font-size: 0.7rem;
  color: var(--text-on-metal-faint);
}

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-box-wrap {
  position: relative;
  max-width: 480px;
}
.search-box-wrap input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: 12px;
  border: 1.5px solid var(--color-border);
  font-size: 0.94rem;
  font-family: var(--font-base);
  transition: border-color var(--speed-fast) var(--ease), box-shadow var(--speed-fast) var(--ease);
}
.search-box-wrap input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}
.search-box-wrap i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  font-size: 1.05rem;
}
.search-result-count {
  font-size: 0.84rem;
  color: var(--text-on-metal-muted);
  margin-top: 10px;
}
.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-on-metal-muted);
}
.no-results i { font-size: 2.6rem; color: var(--text-on-metal-faint); margin-bottom: 14px; display: block; }
.no-results h3 { color: var(--text-on-metal); }

/* ============================================================
   DETAIL PAGE: BANNER
   ============================================================ */
.course-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}
.course-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 90% 15%, rgba(255,255,255,0.12), transparent 45%);
}
.course-banner .banner-sks {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.course-banner h1 {
  color: #fff;
  font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.3rem);
  font-weight: 700;
}
.course-banner p { color: rgba(255,255,255,0.85); max-width: 600px; margin-top: 10px; }

.info-pill-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.info-pill {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   DOSEN PROFILE WITHIN DETAIL
   ============================================================ */
.dosen-mini-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  
}
.dosen-mini-card img,
.avatar-ph {
  width: 64px; height: 64px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  
}

/* ============================================================
   MATERI LIST (5 materi pembelajaran)
   ============================================================ */
.materi-list { list-style: none; padding: 0; margin: 0; }
.materi-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 12px;
  transition: all var(--speed-fast) var(--ease);
}
.materi-list li:hover {
  border-color: var(--color-primary);
  box-shadow: 0 10px 24px -10px rgba(124, 58, 237, 0.32);
}
.materi-list .materi-num {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.09);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.materi-list .materi-title { font-weight: 500; flex: 1; }
.materi-list .materi-status {
  font-size: 0.74rem;
  color: var(--color-success);
  background: rgba(22, 163, 74, 0.1);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

/* ============================================================
   DOSEN CARDS PAGE
   ============================================================ */
.dosen-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  text-align: center;
  height: 100%;
  transition: all var(--speed-mid) var(--ease);
}
.dosen-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.dosen-card .dosen-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px;

  border: 3px solid var(--color-primary-light);
  padding: 4px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.25);
  transition: all .3s ease;
}

.dosen-card .dosen-photo:hover {
  transform: scale(1.05);
  border-color: var(--color-primary-dark);
}
.dosen-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.dosen-card .dosen-field {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 14px;
}
.dosen-card .dosen-courses {
  text-align: left;
  background: var(--color-bg-soft);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
}
.dosen-card .dosen-courses small {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}
.dosen-card .dosen-courses ul { padding-left: 18px; margin: 0; font-size: 0.84rem; }
.dosen-card .dosen-courses li { margin-bottom: 3px; }

/* ============================================================
   TEAM / ANGGOTA CARDS
   ============================================================ */
.team-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  height: 100%;
  transition: all var(--speed-mid) var(--ease);
  position: relative;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.team-card .team-photo {
  width: 96px; height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 4px solid var(--color-bg-soft);
}
.team-card h3 { font-size: 1rem; margin-bottom: 2px; }
.team-card .team-nim { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 8px; }
.team-card .team-role {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
}

.vmt-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  height: 100%;
}
.vmt-card .vmt-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.vmt-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.vmt-card p, .vmt-card li { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; }

.contribution-row {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.contribution-row:last-child {
  border-bottom: none;
}

.contribution-row img {
  width: 120px;
  height: 120px;
  border-radius: 18px;
  object-fit: cover;
  flex-shrink: 0;
  border: 4px solid rgba(124, 58, 237, 0.12);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
  transition: .3s ease;
}

.contribution-row img:hover {
  transform: scale(1.05);
}

.contribution-row h4 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.contribution-row p {
  font-size: .95rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
}

.contact-links{
    display:flex;
    flex-direction:column;
    gap:8px;
    margin-top:8px;
}
.contact-links a{
    text-decoration:none;
    color:var(--color-dark);
    font-size:.95rem;
    display:flex;
    align-items:center;
    gap:10px;
    transition:.3s;
}
.contact-links a i{
    color:var(--color-primary);
    width:20px;
    text-align:center;
    font-size:1.05rem;
}
.contact-links a:hover{
    color:var(--color-primary);
    transform:translateX(6px);
}

/* ============================================================
   ABOUT PAGE GOALS LIST
   ============================================================ */
.goal-list { list-style: none; padding: 0; }
.goal-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
}
.goal-list li strong { color: var(--text-on-metal); }
.goal-list .goal-check {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--glass-surface-strong);
  border: 1px solid var(--glass-border);
  color: #C4B5FD;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-portal {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 24px;
}
.footer-portal h5 { color: #fff; font-weight: 600; font-size: 1rem; margin-bottom: 18px; }
.footer-portal .footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; color: #fff; font-size: 1.05rem; margin-bottom: 14px;
}
.footer-portal .footer-brand .brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.footer-portal p { font-size: 0.88rem; line-height: 1.7; }
.footer-portal ul { list-style: none; padding: 0; margin: 0; }
.footer-portal ul li { margin-bottom: 10px; }
.footer-portal ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  transition: color var(--speed-fast) var(--ease), padding-left var(--speed-fast) var(--ease);
}
.footer-portal ul li a:hover { color: #fff; padding-left: 4px; }
.footer-divider { border-color: rgba(255,255,255,0.1); margin: 32px 0 20px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--speed-fast) var(--ease);
}
.footer-social a:hover { background: var(--color-primary); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
#backToTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--speed-mid) var(--ease);
  z-index: 999;
}
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { background: var(--color-primary-dark); transform: translateY(-3px); }

/* ============================================================
   UTILITIES
   ============================================================ */
.divider-soft { border-color: var(--color-border); }

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 44px;
}

.bg-pattern-dots {
  background-image: radial-gradient(circle, var(--color-border) 1px, transparent 1px);
  background-size: 18px 18px;
}

.text-muted { color: var(--text-on-metal-muted) !important; }

::selection { background: rgba(124, 58, 237, 0.2); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   DETAIL PAGE V2 — REDESAIN HALAMAN MATERI DETAIL
   ============================================================ */

/* --- Hero / Banner --- */
.course-hero-v2 {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 68px 0 46px;
}
.course-hero-v2::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 820px 560px at 50% -15%, rgba(167, 139, 250, 0.45), transparent 65%),
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.14), transparent 42%),
    radial-gradient(circle at 6% 100%, rgba(139, 92, 246, 0.32), transparent 48%);
}
.course-hero-v2::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 75%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 75%);
  pointer-events: none;
}
.course-hero-v2 h1 { color: #fff; font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.3rem); font-weight: 700; }
.course-hero-v2 p.hero-desc { color: rgba(255, 255, 255, 0.85); max-width: 600px; margin-top: 10px; }

.hero-icon-badge {
  width: 124px;
  height: 124px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: #fff;
  margin: 0 auto;
  position: relative;
}
.hero-icon-badge::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 36px;
  border: 1px dashed rgba(255, 255, 255, 0.25);
}

.course-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 36px;
  position: relative;
}
@media (max-width: 767px) {
  .course-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
.stat-card-mini {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform var(--speed-fast) var(--ease), background var(--speed-fast) var(--ease);
}
.stat-card-mini:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.16); }
.stat-card-mini i { font-size: 1.25rem; color: #fff; opacity: 0.92; flex-shrink: 0; }
.stat-card-mini strong { display: block; font-size: 0.9rem; font-weight: 700; line-height: 1.25; }
.stat-card-mini span { display: block; font-size: 0.72rem; color: rgba(255, 255, 255, 0.7); margin-top: 2px; }

/* --- Sidebar --- */
.detail-sidebar { position: sticky; top: 96px; }

.dosen-card-v2 {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.dosen-card-v2 img {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--color-bg-soft);
  box-shadow: var(--shadow-md);
}
.dosen-card-v2 .dosen-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.dosen-card-v2 h3 { font-size: 1rem; margin-bottom: 4px; }
.dosen-card-v2 p { color: var(--color-text-muted); font-size: 0.82rem; margin-bottom: 18px; line-height: 1.5; }

.resource-box {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-top: 20px;
  box-shadow: var(--shadow-sm);
}
.resource-box-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.resource-box-header .resource-box-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.resource-box-header h3 { font-size: 0.96rem; margin: 0; }
.resource-box-header p { font-size: 0.76rem; color: var(--color-text-muted); margin: 2px 0 0; }

/* --- Capaian Pembelajaran (goal grid) --- */
.goal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 575px) {
  .goal-grid { grid-template-columns: 1fr; }
}
.goal-card-v2 {
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  gap: 12px;
  transition: all var(--speed-fast) var(--ease);
}
.goal-card-v2:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.goal-card-v2 .goal-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}
.goal-card-v2 p { margin: 0; font-size: 0.87rem; line-height: 1.55; color: var(--color-dark); }

/* --- Materi pembelajaran: timeline --- */
.materi-timeline { position: relative; list-style: none; padding: 0; margin: 0 0 0 4px; }
.materi-timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--color-border);
}
.materi-timeline li { position: relative; display: flex; gap: 18px; padding: 9px 0; }
.materi-timeline .materi-num {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--speed-fast) var(--ease);
}
.materi-timeline li:hover .materi-num { background: var(--color-primary); color: #fff; transform: scale(1.08); }
.materi-timeline .materi-body { flex: 1; background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: 14px; padding: 16px 18px; display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; transition: all var(--speed-fast) var(--ease); }
.materi-timeline .materi-text { flex: 1; }
.materi-timeline .materi-desc { display: block; font-size: 0.8rem; color: var(--color-text-muted); font-weight: 400; margin-top: 4px; line-height: 1.5; }
.materi-timeline li:hover .materi-body { border-color: var(--color-primary); background: #fff; box-shadow: var(--shadow-sm); }
.materi-timeline .materi-title { font-weight: 600; font-size: 0.93rem; }
.materi-timeline .materi-status {
  font-size: 0.72rem;
  color: var(--color-success);
  background: rgba(22, 163, 74, 0.1);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.materi-progress-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 16px 18px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.materi-progress-bar { flex: 1; height: 8px; border-radius: 99px; background: var(--color-border); overflow: hidden; }
.materi-progress-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light)); border-radius: 99px; }
.materi-progress-wrap strong { font-size: 0.84rem; white-space: nowrap; color: var(--color-dark); }

/* --- Ringkasan materi (versi sederhana, 2 kartu) --- */
.materi-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 575px) {
  .materi-summary-grid { grid-template-columns: 1fr; }
}
.materi-summary-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--speed-fast) var(--ease);
}
.materi-summary-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.materi-summary-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.materi-summary-card h3 { font-size: 0.98rem; font-weight: 600; margin-bottom: 8px; }
.materi-summary-card p { font-size: 0.86rem; color: var(--color-text-muted); line-height: 1.6; margin: 0; }

/* --- Kartu materi: ringkasan + PDF + tombol download (versi final) --- */
.materi-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 767px) {
  .materi-card-grid { grid-template-columns: 1fr; }
}

.materi-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--speed-mid) var(--ease), box-shadow var(--speed-mid) var(--ease), border-color var(--speed-mid) var(--ease);
}
.materi-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.materi-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.materi-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(220, 38, 38, 0.1);
  color: #DC2626;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.materi-card-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.materi-card-head h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.materi-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}

.materi-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.file-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  border-radius: 999px;
}
.file-badge i { color: #DC2626; }

.btn-unduh-materi {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  transition: all var(--speed-fast) var(--ease);
}
.btn-unduh-materi:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}