/* ==========================================================================
   INDO FOCUS PORTAL - DESIGN DNA: D-01D4EE-05
   Archetype: Archetype Editorial Magazine
   Layout System: Layout Wide Editorial
   Navigation: Nav Section Oriented
   Hero System: Hero Statistical
   Typography: Type Large Modern Sans
   Color System: Color Olive Cream
   Grid System: Grid Wide 12
   Card System: Cards Soft Panel
   Section System: Sections Alternating
   Density: Density Dense
   ========================================================================== */

:root {
  /* Colors */
  --color-bg: #F7F8F3;
  --color-surface: #FFFFFF;
  --color-text-primary: #2C3322;
  --color-text-secondary: #606655;
  --color-accent: #65A30D;
  --color-border: #DFE5D3;
  --color-bg-muted: #EFF2E6;
  --color-interactive: #4D7C0F;
  --color-focus: #4D7C0F;

  /* Typography */
  --font-sans: 'Inter', 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing Tokens (Dense Profile) */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 18px;
  --space-lg: 24px;
  --space-xl: 36px;
  --space-2xl: 48px;
  --space-3xl: 72px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Max widths */
  --max-width-wide: 1360px;
  --max-width-reading: 760px;
}

/* Bulletproof Global Reset & Sizing */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-bg);
}

body {
  font-family: var(--font-sans);
  font-size: 1.25rem; /* 20px - Spec: Body 1.25rem */
  line-height: 1.5;
  font-weight: 400;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Scale (Explicitly defined per spec) */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  margin-top: 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.05;
  font-weight: 800;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  max-width: 75ch; /* 65-75 chars for reading comfort */
}

p.lead {
  font-size: 1.35rem;
  color: var(--color-text-primary);
  line-height: 1.5;
}

a {
  color: var(--color-interactive);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-interactive);
  outline-offset: 3px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-text-primary);
  color: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.skip-link:focus {
  top: var(--space-md);
}

/* ==========================================================================
   STRUCTURAL SEMANTIC TAGS (Direct Tag Styling per Master Spec #34)
   ========================================================================== */

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(247, 248, 243, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  min-height: 64px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-text-primary);
  color: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-2xs);
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

nav a:hover, nav a[aria-current="page"] {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  color: var(--color-text-primary);
}

/* MAIN STRUCTURAL TAG */
main {
  width: 100%;
  min-height: 80vh;
  display: block;
}

/* SECTION STRUCTURAL TAG (Sections Alternating per Spec #19) */
section {
  width: 100%;
  padding: var(--space-3xl) var(--space-lg);
  position: relative;
}

/* Alternating Section Backgrounds */
section:nth-of-type(odd) {
  background-color: var(--color-bg);
}

section:nth-of-type(even) {
  background-color: var(--color-bg-muted);
}

section.section-surface {
  background-color: var(--color-surface);
}

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

.container-narrow {
  width: 100%;
  max-width: var(--max-width-reading);
  margin: 0 auto;
}

/* ARTICLE STRUCTURAL TAG (Article Step By Step per Spec #23) */
article {
  width: 100%;
}

.article-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

aside {
  position: sticky;
  top: 90px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.toc-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.toc-list a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: block;
  padding: var(--space-2xs) 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-xs);
  transition: all 0.2s ease;
}

.toc-list a:hover, .toc-list a.active {
  color: var(--color-interactive);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

/* FOOTER STRUCTURAL TAG (Footer Reference per Spec #26) */
footer {
  width: 100%;
  background-color: var(--color-text-primary);
  color: #D2D8C7;
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  font-size: 0.95rem;
  border-top: 3px solid var(--color-accent);
}

footer p {
  color: #A3AB97;
  max-width: 100%;
  margin-bottom: var(--space-sm);
}

footer a {
  color: #EFF2E6;
  text-decoration: none;
  transition: color 0.15s ease;
}

footer a:hover {
  color: #A3E635;
  text-decoration: underline;
}

.footer-reference-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(223, 229, 211, 0.15);
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-bottom {
  max-width: var(--max-width-wide);
  margin: var(--space-xl) auto 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: #8C947F;
}

.footer-disclaimer-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(223, 229, 211, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin-top: var(--space-xl);
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ==========================================================================
   HERO STATISTICAL (Spec #14: 3 massive data points + brief explanation)
   ========================================================================== */

.hero-statistical-wrap {
  width: 100%;
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.editorial-kicker {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-interactive);
  margin-bottom: var(--space-xs);
  display: block;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.stat-number span {
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin: 0;
}

.hero-intro-text {
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  max-width: 65ch;
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   GRID & CARD SYSTEM (Cards Soft Panel per Spec #18, Grid Wide 12 per Spec #17)
   ========================================================================== */

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* Cards Soft Panel */
.card-soft-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.card-soft-panel:hover {
  transform: translateY(-2px);
  border-color: #B4C2A3;
  box-shadow: 0 8px 20px rgba(44, 51, 34, 0.05);
}

.card-soft-panel .card-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-interactive);
  background: var(--color-bg-muted);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.card-soft-panel h3 {
  font-size: 1.4rem;
  line-height: 1.25;
  margin-bottom: var(--space-xs);
}

.card-soft-panel p {
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xs);
  margin-top: auto;
}

/* ==========================================================================
   IMAGE SYSTEM (Human Centered Documentary Style)
   ========================================================================== */

.media-feature-frame {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-muted);
  margin-bottom: var(--space-xl);
}

.media-feature-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 480px;
}

.media-caption {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-style: italic;
}

/* ==========================================================================
   CTA SYSTEM (Cta Contextual per Spec #25)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  min-height: 48px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  gap: var(--space-xs);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-interactive);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-muted);
  border-color: var(--color-interactive);
  text-decoration: none;
}

.cta-contextual-box {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
}

/* ==========================================================================
   ARTICLE STEP-BY-STEP & EDITORIAL BLOCKS (Spec #23)
   ========================================================================== */

.step-block {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-bg-muted);
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
}

.step-body {
  flex-grow: 1;
}

.editorial-quote {
  font-size: 1.35rem;
  line-height: 1.45;
  font-style: italic;
  color: var(--color-text-primary);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
}

.callout-box {
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.callout-title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Data Tables (Mobile Friendly) */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 1rem;
}

th, td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-bg-muted);
  color: var(--color-text-primary);
  font-weight: 700;
}

tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   FORMS & INTERACTIVE CONTROLS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-interactive);
  outline: none;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

/* Interactive Checklist Items */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.checklist-item:hover {
  background: #FCFDF9;
  border-color: #B8C7A5;
}

.checklist-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.checklist-score-card {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  margin: var(--space-xl) 0;
}

/* FAQ Details/Summary */
details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

details[open] {
  border-color: var(--color-accent);
}

summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.5;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.breadcrumbs a {
  text-decoration: none;
  color: var(--color-text-secondary);
}

.breadcrumbs a:hover {
  color: var(--color-text-primary);
  text-decoration: underline;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-xs);
  color: #A3AB97;
}

/* ==========================================================================
   MOBILE & RESPONSIVE RULES (Mobile Large Type per Spec #29)
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-reference-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  aside {
    position: static;
    margin-bottom: var(--space-xl);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Bulletproof Mobile Flex/Grid */
  .grid-12, .grid-3, .grid-2, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hero-stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-reference-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .nav-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl) var(--space-lg);
    display: none;
    overflow-y: auto;
    z-index: 999;
    border-top: 1px solid var(--color-border);
  }

  nav.nav-open {
    display: flex;
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-md);
  }

  nav a {
    font-size: 1.25rem;
    width: 100%;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
  }

  section {
    padding: var(--space-2xl) var(--space-md);
  }
}

/* Accessibility Reduced Motion */
@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;
  }
}