/* =====================================================
   ANGSA4D — style.css
   Blue Theme | Mobile First | Human-centered Design
   ===================================================== */

/* ── Accessibility: Skip Navigation ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--primary);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.3s ease;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

:root {
  --primary:        #1d4ed8;
  --primary-dark:   #1e3a8a;
  --primary-light:  #3b82f6;
  --primary-lighter:#bfdbfe;
  --primary-bg:     #eff6ff;
  --accent:         #0ea5e9;
  --gold:           #f59e0b;
  --gold-light:     #fef3c7;
  --success:        #10b981;
  --danger:         #ef4444;
  --text-dark:      #0f172a;
  --text-base:      #1e293b;
  --text-muted:     #64748b;
  --white:          #ffffff;
  --gray-50:        #f8fafc;
  --gray-100:       #f1f5f9;
  --border:         #e2e8f0;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.08);
  --shadow:         0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:      0 10px 30px rgba(0,0,0,0.12);
  --shadow-blue:    0 8px 25px rgba(29,78,216,0.28);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      20px;
  --transition:     all 0.3s ease;
  --max-width:      1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-base);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; transition: var(--transition); }
ul  { list-style: none; }

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 { line-height: 1.3; color: var(--text-dark); font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.05rem; }
p  { margin-bottom: 1rem; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

/* ── Layout ── */
.container    { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.section      { padding: 5rem 0; }
.section-sm   { padding: 3rem 0; }
.bg-light     { background: var(--gray-50); }
.bg-blue-light{ background: var(--primary-bg); }
.text-center  { text-align: center; }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { max-width: 600px; margin: 0.75rem auto 0; font-size: 1.05rem; }

.badge-label {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 0.875rem;
  border: 1px solid var(--primary-lighter);
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.75rem 1.75rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: var(--transition); border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary); color: var(--white);
  border-color: var(--primary); box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  background: var(--primary-dark); border-color: var(--primary-dark);
  transform: translateY(-2px); box-shadow: 0 12px 30px rgba(29,78,216,.35);
}
.btn-outline {
  background: transparent; color: var(--primary); border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary); color: var(--white); transform: translateY(-2px);
}
.btn-gold {
  background: var(--gold); color: var(--text-dark); border-color: var(--gold);
  box-shadow: 0 8px 25px rgba(245,158,11,.3);
}
.btn-gold:hover { background: #d97706; border-color: #d97706; transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-white:hover { background: var(--primary-bg); transform: translateY(-2px); }
.btn-lg  { padding: 1rem 2.25rem; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm  { padding: 0.5rem 1.25rem; font-size: 0.875rem; border-radius: var(--radius-sm); }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.875rem 1.5rem; max-width: var(--max-width); margin: 0 auto;
}
.nav-logo {
  display: flex; align-items: center;
  text-decoration: none; line-height: 1;
}
.nav-logo img { height: 38px; width: auto; display: block; }
.nav-menu { display: flex; align-items: center; gap: 0.125rem; }
.nav-link {
  padding: 0.5rem 0.875rem; font-size: 0.9rem; font-weight: 500;
  color: var(--text-base); border-radius: var(--radius-sm); transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-bg); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > .nav-link::after { content: ' ▾'; font-size: 0.7rem; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 0.5rem); left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  min-width: 190px; padding: 0.5rem;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: var(--transition); z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown-menu a {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0.875rem; color: var(--text-base);
  font-size: 0.875rem; border-radius: var(--radius-sm);
}
.nav-dropdown-menu a:hover { background: var(--primary-bg); color: var(--primary); }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

/* Language Toggle */
.lang-toggle {
  display: flex; align-items: center; background: var(--gray-100);
  border-radius: 100px; padding: 3px; gap: 2px;
}
.lang-btn {
  padding: 0.3rem 0.7rem; border-radius: 100px; font-size: 0.78rem;
  font-weight: 700; cursor: pointer; border: none; background: transparent;
  color: var(--text-muted); transition: var(--transition);
}
.lang-btn.active { background: var(--white); color: var(--primary); box-shadow: var(--shadow-sm); }

/* Mobile hamburger */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 0.5rem; background: none; border: none;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ── */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--accent) 100%);
  position: relative; overflow: hidden; color: white;
}
.hero::before {
  content: ''; position: absolute; top: -40%; right: -15%;
  width: 650px; height: 650px;
  background: radial-gradient(circle, rgba(255,255,255,.09) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -25%; left: -10%;
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(14,165,233,.2) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,.14); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.22);
  padding: 0.4rem 1rem; border-radius: 100px;
  font-size: 0.82rem; font-weight: 500; margin-bottom: 1.25rem; color: white;
}
.hero h1 { color: white; margin-bottom: 1.125rem; line-height: 1.2; }
.hero h1 span { color: var(--gold); }
.hero > .container > .hero-inner > .hero-text > p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.2); flex-wrap: wrap; }
.hero-stat .num { font-size: 1.75rem; font-weight: 800; color: white; line-height: 1; }
.hero-stat .lbl { font-size: 0.78rem; color: rgba(255,255,255,.7); margin-top: 0.2rem; }
.hero-img-card {
  background: rgba(255,255,255,.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
}
.hero-floating {
  position: absolute; background: rgba(255,255,255,.12); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius);
  padding: 0.625rem 1rem; font-size: 0.82rem; color: white; white-space: nowrap;
  display: flex; align-items: center; gap: 0.5rem;
}
.hero-floating.top-right { top: 15%; right: -5%; }
.hero-floating.bottom-left { bottom: 15%; left: -5%; }

/* ── Page Header (inner pages) ── */
.page-header {
  padding: 7rem 0 4rem;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white; text-align: center;
}
.page-header h1 { color: white; margin-bottom: 0.875rem; }
.page-header p  { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; margin-bottom: 1.25rem; font-size: 0.85rem;
}
.breadcrumb a   { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: white; }
.breadcrumb .sep { color: rgba(255,255,255,.35); }

/* ── Cards ── */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-lighter); }
.card-icon {
  width: 54px; height: 54px; background: var(--primary-bg);
  border-radius: var(--radius); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; margin-bottom: 1.125rem;
}
.card h3 { margin-bottom: 0.625rem; }

/* Game Cards */
.game-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow); transition: var(--transition);
  border: 1px solid var(--border);
}
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-blue); }
.game-card-img { aspect-ratio: 16/9; position: relative; overflow: hidden; }
.game-card-img img { width: 100%; height: 100%; object-fit: cover; }
.game-card-body { padding: 1.375rem; }
.game-tag {
  font-size: 0.72rem; font-weight: 700; color: var(--primary);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.375rem;
}
.game-card-body h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.game-card-body p  { font-size: 0.875rem; margin-bottom: 1rem; }

/* Step Cards */
.step-card { text-align: center; padding: 2rem 1.5rem; }
.step-num {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; color: white;
  margin: 0 auto 1.125rem; box-shadow: var(--shadow-blue);
}

/* ── Image Placeholder ── */
.img-ph {
  width: 100%; min-height: 220px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 60%, var(--accent) 100%);
  border-radius: var(--radius); display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,.65); position: relative; overflow: hidden;
}
.img-ph::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(255,255,255,.03) 15px, rgba(255,255,255,.03) 30px);
}
.img-ph .ph-ico { font-size: 2.5rem; margin-bottom: 0.5rem; position: relative; z-index: 1; }
.img-ph .ph-txt { font-size: 0.78rem; position: relative; z-index: 1; text-align: center; padding: 0 1rem; }

/* ── Promo Banner ── */
.promo-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white; padding: 4.5rem 0; text-align: center; position: relative; overflow: hidden;
}
.promo-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='%23fff' stroke-opacity='.04' stroke-width='1'/%3E%3C/svg%3E") repeat;
}
.promo-banner h2 { color: white; margin-bottom: 1rem; position: relative; }
.promo-banner p  { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 2rem; position: relative; }
.btn-group       { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.stat-card {
  text-align: center; padding: 2rem 1rem;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.stat-card .num { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 0.4rem; }
.stat-card .lbl { font-size: 0.875rem; color: var(--text-muted); }

/* ── Testimonials ── */
.testi-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-sm);
}
.testi-stars   { color: var(--gold); font-size: 0.95rem; margin-bottom: 0.875rem; }
.testi-text    { font-size: 0.925rem; color: var(--text-base); line-height: 1.75; margin-bottom: 1.375rem; font-style: italic; }
.testi-author  { display: flex; align-items: center; gap: 0.75rem; }
.testi-avatar  {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.95rem; flex-shrink: 0;
}
.testi-author .name { font-weight: 600; font-size: 0.875rem; color: var(--text-dark); }
.testi-author .city { font-size: 0.78rem; color: var(--text-muted); }

/* ── Trust / Payment ── */
.trust-badges { display: flex; flex-wrap: wrap; gap: 0.875rem; justify-content: center; margin-top: 2rem; }
.trust-badge {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.45rem 1.125rem;
  font-size: 0.82rem; font-weight: 500; color: var(--text-base);
  box-shadow: var(--shadow-sm);
}
.trust-badge .ico { color: var(--success); }

.payment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 1rem; }
.payment-item {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 0.875rem;
  text-align: center; transition: var(--transition); box-shadow: var(--shadow-sm);
}
.payment-item:hover { border-color: var(--primary-lighter); box-shadow: var(--shadow); transform: translateY(-2px); }
.payment-item .pi  { font-size: 1.875rem; margin-bottom: 0.4rem; }
.payment-item .pn  { font-size: 0.78rem; font-weight: 600; color: var(--text-base); }

/* ── FAQ ── */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 0.875rem; }
.faq-q {
  width: 100%; text-align: left; padding: 1.125rem 1.375rem;
  background: var(--white); border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 0.925rem; color: var(--text-dark); transition: var(--transition);
}
.faq-q:hover { background: var(--primary-bg); color: var(--primary); }
.faq-q .fq-ico { font-size: 1.1rem; transition: var(--transition); flex-shrink: 0; }
.faq-item.open .fq-ico { transform: rotate(45deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 1.375rem 1.125rem; }
.faq-a-inner p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

/* ── Article ── */
.article-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; align-items: start; }
.article-content h2 { font-size: 1.4rem; margin: 2rem 0 0.875rem; color: var(--primary-dark); }
.article-content h3 { font-size: 1.15rem; margin: 1.5rem 0 0.625rem; }
.article-content p  { color: var(--text-base); font-size: 0.975rem; line-height: 1.8; margin-bottom: 1.125rem; }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin-bottom: 1.125rem; color: var(--text-base); }
.article-content li { margin-bottom: 0.5rem; line-height: 1.7; font-size: 0.95rem; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-meta {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  padding: 1.125rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin-bottom: 2rem; font-size: 0.85rem; color: var(--text-muted);
}
.article-img { margin: 1.5rem 0; border-radius: var(--radius); overflow: hidden; }

.sidebar-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.375rem; margin-bottom: 1.375rem; }
.sidebar-card h4 { margin-bottom: 0.875rem; color: var(--text-dark); font-size: 0.95rem; }
.sidebar-links li { margin-bottom: 0.5rem; }
.sidebar-links a  { font-size: 0.875rem; color: var(--primary); display: flex; align-items: center; gap: 0.4rem; }
.sidebar-links a:hover { color: var(--primary-dark); }

/* ── Highlight boxes ── */
.info-box {
  background: var(--primary-bg); border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.125rem 1.375rem; margin: 1.375rem 0;
}
.info-box p { margin: 0; color: var(--primary-dark); font-size: 0.925rem; }
.warn-box {
  background: var(--gold-light); border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.125rem 1.375rem; margin: 1.375rem 0;
}
.warn-box p { margin: 0; color: #92400e; font-size: 0.925rem; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { background: var(--primary); color: white; padding: 0.875rem 1rem; text-align: left; font-weight: 600; }
td { padding: 0.875rem 1rem; border-bottom: 1px solid var(--border); color: var(--text-base); }
tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: var(--gray-50); }

/* ── Feature list ── */
.feat-list { display: flex; flex-direction: column; gap: 0.875rem; margin: 1.5rem 0; }
.feat-item { display: flex; align-items: flex-start; gap: 0.875rem; }
.feat-item .fi { font-size: 1.125rem; flex-shrink: 0; margin-top: 2px; }
.feat-item .ft { font-size: 0.925rem; color: var(--text-base); }
.feat-item .ft strong { color: var(--text-dark); }

/* ── Footer ── */
.footer { background: var(--primary-dark); color: rgba(255,255,255,.7); padding: 4rem 0 2rem; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand h3 { color: white; margin-bottom: 0.875rem; font-size: 1.3rem; }
.footer-brand p  { color: rgba(255,255,255,.6); font-size: 0.875rem; line-height: 1.7; }
.footer-col h4   { color: white; font-size: 0.9rem; margin-bottom: 1.125rem; font-weight: 600; }
.footer-links    { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a  { color: rgba(255,255,255,.6); font-size: 0.85rem; transition: var(--transition); }
.footer-links a:hover { color: white; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.75rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,.45); margin: 0; }

/* ── Language ── */
.lang-en       { display: none; }
.lang-id       { display: inline; }
body.lang-en .lang-en { display: inline; }
body.lang-en .lang-id { display: none; }

.lang-en-block { display: none; }
.lang-id-block { display: block; }
body.lang-en .lang-en-block { display: block; }
body.lang-en .lang-id-block { display: none; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease forwards; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary-lighter); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .stats-grid  { grid-template-columns: repeat(2,1fr); }
  .hero-inner  { grid-template-columns: 1fr; text-align: center; }
  .hero-actions{ justify-content: center; }
  .hero-stats  { justify-content: center; }
  .article-wrap{ grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav-menu   { display: none; }
  .nav-actions{ display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.open {
    display: flex; flex-direction: column;
    position: fixed; top: 63px; left: 0; right: 0;
    background: white; padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border);
    z-index: 999; gap: 0.125rem;
    max-height: calc(100vh - 63px); overflow-y: auto;
  }
  .nav-actions.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    background: white; padding: 1rem 1.5rem; gap: 0.75rem;
    box-shadow: 0 -4px 12px rgba(0,0,0,.08); border-top: 1px solid var(--border);
    z-index: 998;
  }
  .nav-dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0.5rem; background: var(--gray-50); border-radius: var(--radius-sm); margin: 0.25rem 0; }
  .hero { padding: 6.5rem 0 3.5rem; }
  .hero-inner { gap: 2rem; }
  .hero-image { display: none; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.35rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats  { flex-direction: column; gap: 0.875rem; align-items: center; }
  .btn-lg      { padding: 0.875rem 1.75rem; }
}