/* ==========================================================================
   KEDIRIPROPERTI.ID - PORTAL RISET PROPERTI & LEGALITAS PERTANAHAN
   Optimized for Core Web Vitals (LCP, CLS, INP), E-E-A-T Clarity & Responsive UI
   ========================================================================== */

:root {
  --bg-dark: #0b1320;
  --bg-card: #131e32;
  --bg-elevated: #1c2b45;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-emerald: #10b981;
  --accent-emerald-hover: #059669;
  --accent-gold: #f59e0b;
  --accent-blue: #3b82f6;
  --accent-red: #ef4444;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-gold: rgba(245, 158, 11, 0.4);
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.65);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #fff;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Top Announcement Bar */
.top-bar {
  background: linear-gradient(90deg, #065f46, #047857, #065f46);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  padding: 0.55rem 1rem;
  letter-spacing: 0.3px;
}

/* Header & Navigation */
.site-header {
  background-color: rgba(11, 19, 32, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand-logo img {
  height: 52px;
  width: auto;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.4rem;
  align-items: center;
}

.main-nav a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
}

.main-nav a:hover, .main-nav a.active {
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.12);
}

.nav-cta {
  background: var(--accent-emerald) !important;
  color: #09131c !important;
  padding: 0.55rem 1.15rem !important;
  border-radius: var(--radius-sm);
  font-weight: 800 !important;
}

.nav-cta:hover {
  background: var(--accent-emerald-hover) !important;
  color: #fff !important;
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-elevated);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

/* Breadcrumbs */
.breadcrumb-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumb-list li+li::before {
  content: "/";
  margin-right: 0.5rem;
  color: #64748b;
}

.breadcrumb-list a {
  color: var(--text-muted);
}

.breadcrumb-list a:hover {
  color: var(--accent-gold);
}

.breadcrumb-list .current {
  color: var(--accent-gold);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  padding: 3rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.badge-pill {
  display: inline-block;
  background: rgba(16, 185, 129, 0.18);
  border: 1px solid var(--accent-emerald);
  color: #6ee7b7;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  letter-spacing: 0.6px;
}

.hero-title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  line-height: 1.22;
  font-weight: 800;
  margin-bottom: 1.1rem;
  color: #ffffff;
}

.hero-title span {
  color: var(--accent-gold);
}

.hero-lead {
  font-size: 1.06rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}

/* Article Header Card */
.article-header-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

.meta-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.meta-stats-row strong {
  color: #fff;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-emerald), #047857);
  color: #fff;
  font-weight: 700;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #34d399, #065f46);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--accent-gold);
  border: 1px solid var(--border-gold);
  font-weight: 700;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  text-align: center;
}

/* E-E-A-T Trust & Author Credentials Bar */
.eeat-credentials-bar {
  background: linear-gradient(180deg, #16243b 0%, #101a2c 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.eeat-person {
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.eeat-person img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.eeat-person-info {
  font-size: 0.88rem;
  line-height: 1.45;
}

.eeat-role {
  color: var(--accent-gold);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.eeat-name {
  color: #fff;
  font-weight: 700;
  font-size: 0.98rem;
  display: block;
}

.eeat-title {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Main Content Layout with Sticky TOC */
.content-layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 4rem;
}

.toc-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  position: sticky;
  top: 90px;
}

.toc-title {
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.85rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.toc-list {
  list-style: none;
  font-size: 0.88rem;
}

.toc-list li {
  margin-bottom: 0.55rem;
}

.toc-list a {
  color: #cbd5e1;
  display: block;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
}

.toc-list a:hover {
  background: var(--bg-elevated);
  color: var(--accent-gold);
}

/* Article Body Styling */
.article-body {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.article-body h2 {
  font-size: 1.6rem;
  color: #ffffff;
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(16, 185, 129, 0.5);
  line-height: 1.3;
}

.article-body h2:first-of-type {
  margin-top: 0;
}

.article-body h3 {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin: 1.6rem 0 0.75rem;
}

.article-body p {
  margin-bottom: 1.2rem;
  color: #e2e8f0;
  font-size: 1.02rem;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: #e2e8f0;
}

.article-body li {
  margin-bottom: 0.6rem;
}

.figure-box {
  margin: 1.8rem 0;
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  padding: 1rem;
  border-radius: var(--radius-md);
}

.figure-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
}

/* Callout & Alert Boxes */
.alert-box {
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  margin: 1.6rem 0;
  border-left: 5px solid;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.12);
  border-left-color: var(--accent-gold);
}

.alert-emerald {
  background: rgba(16, 185, 129, 0.12);
  border-left-color: var(--accent-emerald);
}

.alert-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  display: block;
  color: #fff;
}

/* Data Tables */
.table-responsive {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.data-table th {
  background: var(--bg-elevated);
  color: var(--accent-gold);
  padding: 0.9rem 1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: #e2e8f0;
}

.data-table tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Interactive Property & Legal Cost Simulator Widget */
.simulator-widget {
  background: linear-gradient(145deg, #18263e, #101a2c);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin: 2rem 0;
}

.sim-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.2rem 0;
}

.sim-select, .sim-input {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-dark);
  color: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.sim-result-box {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid var(--accent-emerald);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
}

/* Pros & Cons Grid */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.pros-card, .cons-card {
  background: var(--bg-elevated);
  padding: 1.35rem;
  border-radius: var(--radius-md);
}

.pros-card {
  border-top: 4px solid var(--accent-emerald);
}

.cons-card {
  border-top: 4px solid var(--accent-gold);
}

/* Card Grid for Categories */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
  margin: 2rem 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
}

.feature-card-body {
  padding: 1.5rem;
}

.feature-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

/* FAQ Section */
.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  background: var(--bg-elevated);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 1.1rem 1.25rem;
}

.faq-answer {
  padding: 0 1.25rem 1.15rem;
  color: #cbd5e1;
  font-size: 0.96rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0.9rem;
}

/* Author Bio Footer Box */
.author-bio-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 2.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.author-bio-card img {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: #070c15;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-heading {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

@media (max-width: 992px) {
  .hero-grid, .content-layout, .footer-grid {
    grid-template-columns: 1fr;
  }
  .toc-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .main-nav {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .pros-cons-grid, .sim-controls {
    grid-template-columns: 1fr;
  }
  .article-body {
    padding: 1.5rem;
  }
  .author-bio-card {
    flex-direction: column;
  }
}