/* ================================================================
   napell.space — Aeroponic Coffee Cultivation System
   Shared stylesheet — dark theme, RTL support, responsive
   ================================================================ */

/* ─── Reset & Base ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --bg-modal: rgba(0, 0, 0, 0.85);
  --border-color: #2a2a2a;
  --border-hover: #3a3a3a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #6a6a6a;
  --accent: #1d9bf0;
  --accent-hover: #1a8cd8;
  --accent-dim: rgba(29, 155, 240, 0.1);
  --green: #00ba7c;
  --red: #f4212e;
  --orange: #ff7a00;
  --purple: #7856ff;
  --yellow: #ffd400;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans Arabic", "Noto Sans SC", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ─── RTL Support ─── */
body.rtl { direction: rtl; }
body.rtl .nav-links { flex-direction: row-reverse; }
body.rtl .lang-dropdown { left: 0; right: auto; }
body.rtl .kpi-card { text-align: right; }
body.rtl .data-table td:first-child,
body.rtl .data-table th:first-child { text-align: right; }

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ─── Container ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* ─── Navbar ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-brand:hover .nav-brand-name { filter: brightness(1.2); }
.nav-brand-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(29, 155, 240, 0.35));
}
.nav-brand-text { display: flex; flex-direction: column; justify-content: center; gap: 2px; }
.nav-brand-name {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
  color: #ffffff;
  background: linear-gradient(90deg, #ffffff 20%, #8fc7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  transition: filter var(--transition);
}
.nav-brand-tag { font-size: 11px; font-weight: 600; color: var(--accent); white-space: nowrap; }

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  list-style: none;
  flex: 1 1 auto;
  min-width: 0;
}
.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.nav-link.active { color: var(--accent); background: var(--accent-dim); }

/* ─── Language Switcher ─── */
.lang-switcher { position: relative; }
.lang-toggle {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-toggle:hover { border-color: var(--accent); background: var(--bg-card-hover); }
.lang-toggle svg { width: 16px; height: 16px; }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  overflow: hidden;
  z-index: 1001;
}
.lang-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.lang-option:hover { background: var(--bg-card-hover); }
.lang-option.active { background: var(--accent-dim); }
.lang-option-flag { font-size: 20px; }
.lang-option-text { display: flex; flex-direction: column; }
.lang-option-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.lang-option-desc { font-size: 11px; color: var(--text-muted); }

/* ─── Language Modal ─── */
.lang-modal {
  position: fixed;
  inset: 0;
  background: var(--bg-modal);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.lang-modal.active { opacity: 1; visibility: visible; }

.lang-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 560px;
  width: 90%;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.3s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.lang-modal.active .lang-modal-card { transform: scale(1); }

.lang-modal-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.lang-modal-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.lang-modal-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 32px; }

.lang-modal-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.lang-modal-option {
  padding: 24px 16px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.lang-modal-option:hover { border-color: var(--accent); transform: translateY(-2px); }
.lang-modal-option.selected { border-color: var(--accent); background: var(--accent-dim); }
.lang-modal-option-flag { font-size: 36px; margin-bottom: 12px; }
.lang-modal-option-name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.lang-modal-option-desc { font-size: 11px; color: var(--text-muted); }

.lang-modal-remember {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}
.lang-modal-remember input { accent-color: var(--accent); width: 16px; height: 16px; }

.lang-modal-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}
.lang-modal-btn:hover { background: var(--accent-hover); }
.lang-modal-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Hero Section ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
  position: relative;
  background: radial-gradient(ellipse at top, rgba(29, 155, 240, 0.08), transparent 60%);
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(29, 155, 240, 0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  text-align: center;
  max-width: 900px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(14px, 2vw, 18px);
  color: var(--text-secondary);
  text-align: center;
  max-width: 640px;
  margin-bottom: 40px;
}
.hero-cta-group { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-hover); color: #000; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--accent); background: var(--bg-card-hover); color: var(--text-primary); }

/* ─── KPI Grid ─── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 0 24px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.kpi-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.kpi-card:hover::before { opacity: 1; }
.kpi-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.kpi-value { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.kpi-unit { font-size: 14px; color: var(--text-secondary); font-weight: 400; }
.kpi-accent .kpi-value { color: var(--accent); }
.kpi-green .kpi-value { color: var(--green); }
.kpi-orange .kpi-value { color: var(--orange); }
.kpi-purple .kpi-value { color: var(--purple); }

/* ─── Page Content ─── */
.page-content { padding: 80px 24px 60px; max-width: 1200px; margin: 0 auto; }
.page-header { margin-bottom: 40px; }
.page-title { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.page-intro { font-size: 16px; color: var(--text-secondary); max-width: 800px; }

/* ─── Section ─── */
.section { margin-bottom: 64px; }
.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
}
.section-desc { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.7; }

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.card-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.card-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ─── Data Tables ─── */
.data-table-wrap { overflow-x: auto; margin-bottom: 24px; border-radius: var(--radius-md); border: 1px solid var(--border-color); }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-card-hover); }
.data-table .num { font-family: var(--font-mono); font-weight: 600; text-align: right; }
.data-table .subtotal td { font-weight: 700; background: var(--bg-secondary); border-top: 2px solid var(--border-color); }
.data-table .grand-total td { font-weight: 800; background: var(--accent-dim); border-top: 2px solid var(--accent); }
.data-table .note { font-size: 12px; color: var(--text-muted); }

/* ─── Progress Bars ─── */
.progress-row { margin-bottom: 16px; }
.progress-label { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 13px; }
.progress-track { height: 8px; background: var(--bg-secondary); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 4px; transition: width 0.8s ease; }

/* ─── Badge ─── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-active { background: rgba(0, 186, 124, 0.15); color: var(--green); }
.badge-planning { background: rgba(255, 122, 0, 0.15); color: var(--orange); }
.badge-future { background: rgba(120, 86, 255, 0.15); color: var(--purple); }

/* ─── Timeline ─── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 11px; top: 0; bottom: 0; width: 2px; background: var(--border-color); }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-primary);
}
.timeline-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.timeline-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 6px; }
.timeline-status { display: inline-block; }

/* ─── Info List ─── */
.info-list { list-style: none; padding: 0; }
.info-list li {
  padding: 10px 0;
  padding-left: 24px;
  position: relative;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}
.info-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.info-list li:last-child { border-bottom: none; }

/* ─── Tooltip ─── */
[data-tooltip] { position: relative; cursor: help; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: #1a1a1a;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  white-space: nowrap;
  max-width: 280px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 100;
  pointer-events: none;
}
[data-tooltip]:hover::after { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-8px); }

/* ─── Stat Blocks ─── */
.stat-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
}
.stat-block-value { font-size: 36px; font-weight: 800; }
.stat-block-label { font-size: 13px; color: var(--text-muted); }
.stat-block-danger .stat-block-value { color: var(--red); }
.stat-block-accent .stat-block-value { color: var(--accent); }
.stat-block-warn .stat-block-value { color: var(--orange); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }

/* ─── Dual-Currency (USD main · RMB reference) ─── */
.ref {
  font-family: var(--font-body);
  font-size: 0.78em;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 4px;
  white-space: nowrap;
  vertical-align: baseline;
}
.data-table .num .ref { font-family: var(--font-body); font-weight: 400; }
.kpi-value .ref,
.stat-block-value .ref {
  display: block;
  margin: 2px 0 0;
  font-size: 0.38em;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.fx-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  letter-spacing: 0.3px;
  opacity: 0.85;
}

/* ─── Value Point Card ─── */
.vp-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.vp-card:hover { border-color: var(--accent); transform: translateX(4px); }
body.rtl .vp-card:hover { transform: translateX(-4px); }
.vp-icon { font-size: 28px; flex-shrink: 0; }
.vp-content h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.vp-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ─── Comparison Table ─── */
.comp-table { width: 100%; border-collapse: collapse; }
.comp-table th, .comp-table td { padding: 14px 16px; border-bottom: 1px solid var(--border-color); text-align: left; }
.comp-table th { background: var(--bg-secondary); font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.comp-table .metric { font-weight: 600; color: var(--text-primary); }
.comp-table .trad { color: var(--text-secondary); }
.comp-table .aero { color: var(--accent); font-weight: 600; }

/* ─── Pillar Card ─── */
.pillar-card {
  text-align: center;
  padding: 28px 20px;
}
.pillar-icon { font-size: 36px; margin-bottom: 12px; }
.pillar-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pillar-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  text-align: center;
}
.footer-brand { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.footer-text { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.footer-disclaimer { font-size: 11px; color: var(--text-muted); max-width: 600px; margin: 12px auto 0; line-height: 1.5; }

/* ─── Mobile Nav ─── */
.nav-mobile-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  transition: all var(--transition);
}
.nav-mobile-toggle:hover { border-color: var(--accent); background: var(--bg-card-hover); }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-brand-name { font-size: 28px; }
  .nav-brand-icon { width: 36px; height: 36px; }
  .nav-brand-icon svg { width: 36px; height: 36px; }
  .nav-brand-tag { font-size: 10px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    gap: 2px;
  }
  .nav-links.show { display: flex; }
  .nav-link {
    padding: 12px 16px;
    width: 100%;
    border-radius: var(--radius-sm);
  }
  .nav-link.active { background: var(--accent-dim); }
  .nav-mobile-toggle { display: block; }
  .lang-modal-options { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .page-title { font-size: 28px; }
  .hero-title { font-size: 32px; }
  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .hero-cta-group { flex-direction: column; width: 100%; }
  .hero-cta-group .btn { width: 100%; justify-content: center; }
}

/* ─── Animations ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }
.delay-5 { animation-delay: 0.5s; opacity: 0; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ─── Error Toast ─── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--red);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text-primary);
  z-index: 10000;
  transition: transform 0.3s ease;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast-success { border-color: var(--green); }

/* ─── Auth Login Modal ─── */
.auth-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.auth-modal.active { opacity: 1; visibility: visible; }

.auth-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.3s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.auth-modal.active .auth-modal-card { transform: scale(1); }

.auth-modal-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: rgba(244, 33, 46, 0.1);
  border: 1px solid rgba(244, 33, 46, 0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--red);
}

.auth-modal-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.auth-modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
}

.auth-field {
  margin-bottom: 20px;
  text-align: left;
}
.auth-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.auth-field input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  outline: none;
}
.auth-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.auth-field input::placeholder { color: var(--text-muted); }

.auth-error {
  display: none;
  padding: 10px 14px;
  margin-bottom: 16px;
  background: rgba(244, 33, 46, 0.1);
  border: 1px solid rgba(244, 33, 46, 0.3);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--red);
  text-align: center;
}

.auth-login-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}
.auth-login-btn:hover:not(:disabled) { background: var(--accent-hover); }
.auth-login-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Shake animation for failed login */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-10px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}
.shake { animation: shake 0.4s ease; }

/* Logout button */
.auth-logout-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  margin-bottom: 24px;
  background: rgba(244, 33, 46, 0.1);
  border: 1px solid rgba(244, 33, 46, 0.3);
  border-radius: 100px;
  color: var(--red);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.auth-logout-btn:hover {
  background: rgba(244, 33, 46, 0.2);
  border-color: var(--red);
}

/* Nav lock indicator */
.nav-link-locked::after {
  content: '\1F512';
  font-size: 10px;
  margin-left: 3px;
  opacity: 0.6;
  vertical-align: middle;
}

/* RTL adjustments for auth */
body.rtl .auth-field { text-align: right; }
body.rtl .auth-error { text-align: right; }

/* ─── Contact Page ─── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 32px 24px;
}
.contact-badge {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: #fff;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.35);
}
.contact-badge svg { width: 32px; height: 32px; }
.contact-badge-wa { background: #25d366; box-shadow: 0 0 24px rgba(37, 211, 102, 0.28); }
.contact-badge-wx { background: #07c160; box-shadow: 0 0 24px rgba(7, 193, 96, 0.28); }
.contact-badge-em { background: linear-gradient(135deg, var(--accent), var(--purple)); box-shadow: 0 0 24px rgba(29, 155, 240, 0.28); }
.contact-badge-wa svg { width: 36px; height: 36px; }
.contact-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.contact-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  letter-spacing: 0.2px;
  word-break: break-all;
}
.contact-value-em { font-size: 17px; }
.contact-note {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  min-height: 40px;
  margin-bottom: 14px;
}
.contact-card .btn { margin-top: auto; width: 100%; justify-content: center; }
.btn-wa { background: #25d366; color: #06281a; }
.btn-wa:hover { background: #1fb958; color: #06281a; }
.btn-wx { background: #07c160; color: #001b0c; }
.btn-wx:hover { background: #06ad55; color: #001b0c; }
.btn-em { background: var(--accent); color: #000; }
.btn-em:hover { background: var(--accent-hover); color: #000; }

/* ════════════════════════════════════════════════════════════════════
   Riyadh Deployment subpage (costs-to-innovation / napell.space)
   ════════════════════════════════════════════════════════════════════ */

/* Entry banner on the Costs page */
.riyadh-entry {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  margin: -12px 0 40px;
  border: 1px solid rgba(29, 155, 240, 0.4);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(29, 155, 240, 0.12), rgba(120, 86, 255, 0.08) 55%, rgba(0, 186, 124, 0.06));
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition);
}
.riyadh-entry:hover { border-color: var(--accent); background: linear-gradient(135deg, rgba(29, 155, 240, 0.2), rgba(120, 86, 255, 0.12) 55%, rgba(0, 186, 124, 0.1)); }
.riyadh-entry-badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #000;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.riyadh-entry-body { flex: 1; min-width: 0; }
.riyadh-entry-title { font-size: 19px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.2px; }
.riyadh-entry-desc { font-size: 13.5px; color: var(--text-secondary); line-height: 1.55; margin-top: 3px; }
.riyadh-entry-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}
body.rtl .riyadh-entry-cta svg { transform: scaleX(-1); }
@media (max-width: 640px) {
  .riyadh-entry { flex-wrap: wrap; }
  .riyadh-entry-cta { width: 100%; }
}

/* Riyadh page building blocks */
.ry-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 22px;
}
.ry-back:hover { color: #fff; }

.ry-fx { padding: 18px 20px; }
.ry-fx-t { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.ry-fx-v { font-size: 24px; font-weight: 800; color: var(--text-primary); font-family: var(--font-mono); margin: 6px 0 2px; }
.ry-fx-n { font-size: 12.5px; color: var(--text-secondary); }

.ry-route { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 6px; }
.ry-route-step {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 7px 14px;
}
.ry-route-step:first-child { border-color: rgba(29,155,240,0.5); color: var(--accent); }
.ry-route-step:last-child { border-color: rgba(0,186,124,0.5); color: var(--green); }
.ry-route-arr { color: var(--text-muted); font-weight: 700; }

/* Amount cells: SAR main + US$/¥ reference */
.ry-main { display: block; font-family: var(--font-mono); font-weight: 700; }
.ry-ref {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-sans);
  margin-top: 1px;
  white-space: nowrap;
}
.data-table .num .ry-ref { font-family: var(--font-sans); font-weight: 400; }
.ry-fac {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.ry-fac-up { color: var(--accent); border: 1px solid rgba(29,155,240,0.45); background: rgba(29,155,240,0.08); }
.ry-fac-down { color: var(--green); border: 1px solid rgba(0,186,124,0.45); background: rgba(0,186,124,0.08); }
.ry-fac-eq { color: var(--text-muted); border: 1px solid var(--border-color); background: var(--bg-card); }
.ry-vat-row td { font-size: 12.5px; color: var(--text-muted); background: rgba(255, 122, 0, 0.05); }
.ry-margin { font-size: 14px; font-weight: 700; color: var(--green); margin-top: 10px; }
.ry-stat-note { font-size: 12px; color: var(--text-muted); margin-top: 6px; line-height: 1.5; }

.ry-assump { list-style: none; display: grid; gap: 10px; }
.ry-assump li {
  position: relative;
  padding: 12px 14px 12px 34px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}
.ry-assump li::before {
  content: "◆";
  position: absolute;
  left: 14px;
  top: 12px;
  font-size: 9px;
  color: var(--accent);
}
body.rtl .ry-assump li { padding: 12px 34px 12px 14px; }
body.rtl .ry-assump li::before { left: auto; right: 14px; }

@media (max-width: 760px) {
  .data-table { min-width: 640px; }
}