html {
  scroll-behavior: smooth
}


img {
  display: block;
  max-width: 100%
}

a {
  color: inherit;
  text-decoration: none
}

/* NAV */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background .3s, box-shadow .3s
}

.header.scrolled {
  background: rgba(17, 20, 24, .97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, .5);
  backdrop-filter: blur(10px)
}

.nav__logo-main {
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-primary)
}

.nav__logo-sub {
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--clr-light);
  opacity: .7;
  text-transform: uppercase
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px
}

.nav__links a {
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--clr-light);
  opacity: .8;
  transition: .3s
}

.nav__links a:hover,
.nav__links a.active {
  opacity: 1;
  color: var(--clr-primary)
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 11px 24px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: .3s
}

.btn--primary {
  background: var(--clr-primary);
  color: #111
}

.btn--primary:hover {
  background: var(--clr-primary-dk);
  transform: translateY(-2px)
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px
}

.nav__hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--clr-light)
}

.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(17, 20, 24, .98);
  padding: 20px 24px;
  border-top: 1px solid var(--clr-border)
}

.nav__mobile.open {
  display: block
}

.nav__mobile a {
  display: block;
  font-family: var(--ff-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--clr-light);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: .3s
}

.nav__mobile a:hover {
  color: var(--clr-primary);
  padding-left: 8px
}

/* ARTICLE HERO */
.art-hero {
  padding: 130px 24px 60px;
  position: relative;
  overflow: hidden;
  /* IMAGE: Ganti background gambar artikel (1920x600px)
       background-image:url('images/blog/nama-gambar.jpg'); */
  background: linear-gradient(135deg, #0a0c0f 0%, #1a1f2e 60%, #0a0c0f 100%);
}

.art-hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 148, 26, .1) 0%, transparent 70%)
}

.art-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center
}

.art-hero__breadcrumb {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px
}

.art-hero__breadcrumb a {
  color: var(--clr-text);
  transition: .3s
}

.art-hero__breadcrumb a:hover {
  color: var(--clr-primary)
}

.art-hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px
}

.art-tag{
  display:inline-block;
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #111;
  padding: 4px 12px;
  border-radius: 3px;
  background:#2980B9 !important;
  display:inline-block;
}

.art-meta-item {
  font-size: .82rem;
  color: var(--clr-text)
}

.art-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--clr-light);
  line-height: 1.1;
  margin-bottom: 20px
}

.art-hero__lead {
  font-size: 1.05rem;
  color: var(--clr-text);
  max-width: 640px;
  margin: 0 auto
}

/* THUMBNAIL */
.art-thumbnail {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px
}

.art-thumbnail img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: -30px;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, .05)
}

.art-thumbnail-placeholder {
  width: 100%;
  height: 420px;
  background: var(--clr-dark-3);
  border-radius: var(--radius);
  margin-top: -30px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 2px dashed var(--clr-border);
  color: var(--clr-text);
  font-family: var(--ff-display);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center
}

/* ARTICLE LAYOUT */
.art-layout {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start
}

.art-body {
  min-width: 0
}

/* ARTICLE CONTENT */
.art-body h2 {
  font-family: var(--ff-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--clr-light);
  margin: 40px 0 16px;
  line-height: 1.2
}

.art-body h3 {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-light);
  margin: 28px 0 12px
}

.art-body p {
  font-size: .97rem;
  margin-bottom: 18px;
  line-height: 1.8
}

.art-body ul,
.art-body ol {
  padding-left: 20px;
  margin-bottom: 18px
}

.art-body li {
  font-size: .97rem;
  margin-bottom: 8px;
  line-height: 1.7
}

.art-body ul li {
  list-style: none;
  padding-left: 16px;
  position: relative
}

.art-body ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--clr-primary)
}

.art-body ol li {
  list-style: decimal
}

.art-body ol li::marker {
  color: var(--clr-primary);
  font-weight: 700
}

.art-body strong {
  color: var(--clr-light);
  font-weight: 600
}

.art-body a {
  color: black;
  text-decoration: underline;
  text-underline-offset: 3px
}

.art-body a:hover {
  color: black;
}

/* callout / highlight box */
.art-callout {
  background: rgba(212, 148, 26, .08);
  border-left: 4px solid var(--clr-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin: 28px 0
}

.art-callout p {
  margin: 0;
  font-size: .95rem
}

/* info table */
.art-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: .9rem
}

.art-table th {
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(212, 148, 26, .08);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--clr-border)
}

.art-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  color: var(--clr-text);
  vertical-align: top
}

.art-table tr:hover td {
  background: rgba(255, 255, 255, .02)
}

/* divider */
.art-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--clr-primary), transparent);
  margin: 36px 0;
  opacity: .4
}

/* article thumbnail in body */
.art-body-img {
  width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
  border: 1px solid rgba(255, 255, 255, .05)
}

.art-body-img-cap {
  font-size: .78rem;
  text-align: center;
  color: var(--clr-text);
  opacity: .7;
  margin-top: -16px;
  margin-bottom: 24px
}

/* CTA box in article */
.art-cta {
  background: linear-gradient(135deg, rgba(212, 148, 26, .12), rgba(212, 148, 26, .04));
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin: 40px 0
}

.art-cta__title {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-light);
  margin-bottom: 10px
}

.art-cta__sub {
  font-size: .92rem;
  margin-bottom: 20px
}

/* author box */
.art-author {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--clr-dark-3);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 48px
}

.art-author__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: #111;
  flex-shrink: 0
}

.art-author__name {
  font-family: var(--ff-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-light)
}

.art-author__bio {
  font-size: .85rem;
  margin-top: 4px
}

/* tags */
.art-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px
}

.art-tag-item {
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--clr-text);
  background: var(--clr-dark-3);
  border: 1px solid rgba(255, 255, 255, .07);
  padding: 6px 12px;
  border-radius: 3px;
  transition: .3s
}

.art-tag-item:hover {
  border-color: var(--clr-border);
  color: var(--clr-primary)
}

/* related articles */
.art-related {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .07)
}

.art-related__title {
  font-family: var(--ff-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-light);
  margin-bottom: 20px
}

.art-related__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px
}

.art-related-card {
  background: var(--clr-dark-3);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  padding: 18px;
  transition: .3s
}

.art-related-card:hover {
  border-color: var(--clr-border);
  transform: translateY(-2px)
}

.art-related-card__tag {
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 6px
}

.art-related-card__title {
  font-family: var(--ff-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--clr-light);
  line-height: 1.3;
  transition: .3s
}

.art-related-card:hover .art-related-card__title {
  color: var(--clr-primary)
}

/* SIDEBAR */
.art-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 90px
}

.sidebar-widget {
  background: var(--clr-dark-2);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  padding: 22px
}

.sidebar-widget__title {
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-light);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .07)
}

.sidebar-toc {
  display: flex;
  flex-direction: column;
  gap: 8px
}

.sidebar-toc a {
  font-size: .85rem;
  color: var(--clr-text);
  padding: 6px 10px;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: .3s
}

.sidebar-toc a:hover,
.sidebar-toc a.active {
  color: var(--clr-primary);
  border-left-color: var(--clr-primary);
  background: rgba(212, 148, 26, .06);
  padding-left: 14px
}

.sidebar-recent {
  display: flex;
  flex-direction: column;
  gap: 12px
}

.sidebar-recent-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .05)
}

.sidebar-recent-item:last-child {
  border-bottom: none;
  padding-bottom: 0
}

.sidebar-recent-item__tag {
  font-family: var(--ff-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--clr-primary)
}

.sidebar-recent-item__title {
  font-size: .83rem;
  color: var(--clr-light);
  line-height: 1.4;
  transition: .3s
}

.sidebar-recent-item:hover .sidebar-recent-item__title {
  color: var(--clr-primary)
}

.sidebar-cta {
  background: linear-gradient(135deg, rgba(212, 148, 26, .12), rgba(212, 148, 26, .04));
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center
}

.sidebar-cta__title {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--clr-light);
  margin-bottom: 8px
}

.sidebar-cta__sub {
  font-size: .83rem;
  margin-bottom: 16px
}

/* WA FLOAT */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .4);
  transition: .3s;
  animation: pulse 2s infinite
}

.wa-float:hover {
  transform: scale(1.1)
}

.wa-float svg {
  width: 26px;
  height: 26px;
  fill: white
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, .4)
  }

  50% {
    box-shadow: 0 4px 40px rgba(37, 211, 102, .7)
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px)
  }

  to {
    opacity: 1;
    transform: none
  }
}

/* RESPONSIVE */
@media(max-width:900px) {
  .art-layout {
    grid-template-columns: 1fr
  }

  .art-sidebar {
    position: static
  }
}

@media(max-width:640px) {

  .nav__links,
  .nav__cta .btn {
    display: none
  }

  .nav__hamburger {
    display: flex
  }

  .art-related__grid {
    grid-template-columns: 1fr
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr
  }
}