/* ===================================================================
   NALAR LABS — FUTURISTIC CYBER-LEDGER DESIGN SYSTEM
   Typography: Spectral (Display Serif) + Inter (Sans) + IBM Plex Mono (Telemetry)
   Theme: Deep Obsidian (#070B12), Luminous Brass (#E5A93C), Quantum Teal (#00E5BC)
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=Spectral:ital,wght@0,300;0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Color Palette — Deep Obsidian & Precision Luminance */
  --bg-canvas: #070B12;
  --bg-canvas-subtle: #0C121F;
  --bg-card: rgba(14, 22, 38, 0.75);
  --bg-card-hover: rgba(19, 30, 52, 0.88);
  --bg-card-active: rgba(24, 39, 68, 0.95);
  --bg-ledger-row: rgba(12, 19, 34, 0.6);
  --bg-ledger-row-alt: rgba(16, 26, 46, 0.6);

  /* Borders & Hairlines */
  --border-hairline: rgba(229, 169, 60, 0.18);
  --border-hairline-teal: rgba(0, 229, 188, 0.22);
  --border-subtle: rgba(148, 163, 184, 0.12);
  --border-focus: rgba(229, 169, 60, 0.6);

  /* Typography Colors */
  --text-display: #F8FAFC;
  --text-body: #94A3B8;
  --text-body-bright: #CBD5E1;
  --text-muted: #64748B;
  --text-mono-dim: #54657E;

  /* Accents */
  --accent-brass: #E5A93C;
  --accent-brass-bright: #F59E0B;
  --accent-brass-glow: rgba(229, 169, 60, 0.35);
  --accent-brass-dim: rgba(229, 169, 60, 0.12);

  --accent-teal: #00E5BC;
  --accent-teal-deep: #0D9488;
  --accent-teal-glow: rgba(0, 229, 188, 0.35);
  --accent-teal-dim: rgba(0, 229, 188, 0.1);

  /* Fonts */
  --font-serif: 'Spectral', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Geometry & Physics */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===================================================================
   LIGHT MODE THEME: WARM LEDGER-PAPER & DEEP NAVY FOUNTAIN-PEN INK
   =================================================================== */
[data-theme="light"] {
  /* Color Palette — Warm Ledger-Paper & Deep Precision Ink */
  --bg-canvas: #FAF7EE;
  --bg-canvas-subtle: #F2ECE0;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #FFFFFF;
  --bg-card-active: #EFE7D8;
  --bg-ledger-row: rgba(247, 243, 233, 0.9);
  --bg-ledger-row-alt: rgba(255, 255, 255, 0.95);

  /* Borders & Hairlines */
  --border-hairline: rgba(184, 134, 11, 0.28);
  --border-hairline-teal: rgba(17, 75, 78, 0.28);
  --border-subtle: rgba(13, 21, 37, 0.12);
  --border-focus: rgba(184, 134, 11, 0.7);

  /* Typography Colors */
  --text-display: #0D1525;
  --text-body: #334155;
  --text-body-bright: #1E293B;
  --text-muted: #64748B;
  --text-mono-dim: #54657E;

  /* Accents — Burnished Brass & Deep Pine Teal */
  --accent-brass: #B8860B;
  --accent-brass-bright: #996515;
  --accent-brass-glow: rgba(184, 134, 11, 0.22);
  --accent-brass-dim: rgba(184, 134, 11, 0.12);

  --accent-teal: #0E5A5C;
  --accent-teal-deep: #0A3E40;
  --accent-teal-glow: rgba(14, 90, 92, 0.25);
  --accent-teal-dim: rgba(14, 90, 92, 0.1);
}

html[data-theme="light"] {
  color-scheme: light;
}

[data-theme="light"] body {
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(14, 90, 92, 0.05) 0%, transparent 60%),
    radial-gradient(circle at 100% 30%, rgba(184, 134, 11, 0.05) 0%, transparent 50%),
    radial-gradient(rgba(184, 134, 11, 0.14) 1px, transparent 1px);
}

[data-theme="light"] .telemetry-bar {
  background: rgba(245, 240, 230, 0.96);
  border-bottom: 1px solid rgba(13, 21, 37, 0.12);
}

[data-theme="light"] .site-header {
  background: rgba(250, 247, 238, 0.92);
  border-bottom: 1px solid rgba(184, 134, 11, 0.25);
}

[data-theme="light"] .site-footer {
  background: #EFE8D8;
  border-top: 1px solid rgba(13, 21, 37, 0.14);
}

[data-theme="light"] .ledger-header {
  background: #EDE5D4;
}

[data-theme="light"] .trace-inspector,
[data-theme="light"] .estimator-output,
[data-theme="light"] .reasoning-visual-card,
[data-theme="light"] .latency-case-card,
[data-theme="light"] .estimator-card,
[data-theme="light"] .cta-box {
  box-shadow: 0 10px 30px -10px rgba(13, 21, 37, 0.08), 0 0 20px -8px rgba(184, 134, 11, 0.08);
}

[data-theme="light"] .trace-inspector {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(13, 21, 37, 0.14);
}

[data-theme="light"] .estimator-output {
  background: rgba(255, 255, 255, 0.96);
}

[data-theme="light"] .service-icon-wrap {
  background: #F4EDE0;
}

[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #D49B28 0%, #B8860B 100%);
  color: #FFFFFF;
  border-color: #A67512;
  box-shadow: 0 4px 14px rgba(184, 134, 11, 0.28);
}

[data-theme="light"] .btn-primary:hover {
  background: linear-gradient(135deg, #B8860B 0%, #996515 100%);
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
}

[data-theme="light"] .btn-outline {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-display);
  border-color: rgba(13, 21, 37, 0.2);
}

[data-theme="light"] .btn-outline:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: #FFFFFF;
}

[data-theme="light"] .hero-badge {
  background: rgba(255, 255, 255, 0.9);
}

/* Light Mode Navigation Toggles */
[data-theme="light"] .theme-toggle-btn {
  background: #FFFFFF;
  border-color: rgba(184, 134, 11, 0.35);
  color: #0D1525;
  box-shadow: 0 1px 4px rgba(13, 21, 37, 0.06);
}

[data-theme="light"] .theme-toggle-btn:hover {
  border-color: var(--accent-brass);
  color: var(--accent-brass);
  background: #FFFFFF;
}

[data-theme="light"] .lang-toggle-btn {
  background: #FFFFFF;
  border-color: rgba(184, 134, 11, 0.35);
  color: #0D1525;
  box-shadow: 0 1px 4px rgba(13, 21, 37, 0.06);
}

[data-theme="light"] .lang-toggle-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: #FFFFFF;
}

/* Light Mode Case Study Toggle (Legacy System vs Nalar Labs) */
[data-theme="light"] .case-toggle-btns {
  background: #EDE5D4;
  border: 1px solid rgba(184, 134, 11, 0.3);
  box-shadow: inset 0 1px 3px rgba(13, 21, 37, 0.06);
}

[data-theme="light"] .toggle-btn {
  color: #556477;
}

[data-theme="light"] .toggle-btn:hover {
  color: #0D1525;
  background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .toggle-btn.active {
  background: #FFFFFF;
  color: var(--accent-brass);
  border: 1px solid rgba(184, 134, 11, 0.4);
  box-shadow: 0 2px 6px rgba(13, 21, 37, 0.08);
}

/* Light Mode Waterfall Bars */
[data-theme="light"] .bar-track {
  background: rgba(13, 21, 37, 0.08);
}

[data-theme="light"] .bar-label {
  color: #0D1525;
  font-weight: 500;
}

[data-theme="light"] .bar-duration {
  color: #334155;
  font-weight: 600;
}

[data-theme="light"] .bar-fill.nalar {
  background: linear-gradient(90deg, #0E5A5C, #B8860B);
}

[data-theme="light"] .bar-fill.legacy {
  background: #DC2626;
}

[data-theme="light"] .chip-option {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-body);
}

[data-theme="light"] .chip-option.selected {
  background: var(--accent-brass-dim);
  border-color: var(--accent-brass);
  color: var(--accent-brass);
}

[data-theme="light"] .tech-tag {
  background: #F4EDE0;
  border-color: rgba(13, 21, 37, 0.12);
  color: var(--text-body);
}

[data-theme="light"] .brand-logo-text {
  fill: #0D1525;
}

[data-theme="light"] .brand-logo-frame {
  fill: #F4EDE0;
  stroke: rgba(184, 134, 11, 0.4);
}

/* ===================================================================
   RESET & BASE
   =================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-body);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 229, 188, 0.04) 0%, transparent 60%),
    radial-gradient(circle at 100% 30%, rgba(229, 169, 60, 0.03) 0%, transparent 50%),
    radial-gradient(rgba(229, 169, 60, 0.06) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-canvas);
}
::-webkit-scrollbar-thumb {
  background: rgba(229, 169, 60, 0.25);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-brass);
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Section Common Spacing */
.section {
  padding: 100px 0;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

/* Header & Section Titles */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent-teal);
  text-transform: uppercase;
  background: var(--accent-teal-dim);
  border: 1px solid var(--border-hairline-teal);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-tag.brass {
  color: var(--accent-brass);
  background: var(--accent-brass-dim);
  border-color: var(--border-hairline);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  color: var(--text-display);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-body);
  max-width: 680px;
  line-height: 1.7;
}

/* ===================================================================
   TOP TELEMETRY BAR
   =================================================================== */
.telemetry-bar {
  background: rgba(8, 14, 24, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 6px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.telemetry-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.telemetry-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
  animation: pulse-glow 2s infinite;
}

.pulse-dot.brass {
  background-color: var(--accent-brass);
  box-shadow: 0 0 8px var(--accent-brass);
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ===================================================================
   NAVIGATION HEADER
   =================================================================== */
.site-header {
  position: sticky;
  top: 31px;
  z-index: 90;
  background: rgba(11, 17, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  padding: 16px 0;
  transition: all var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 34px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body-bright);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover {
  color: var(--accent-brass);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-brass);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(14, 22, 38, 0.6);
  border: 1px solid var(--border-hairline);
  color: var(--text-display);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
  user-select: none;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-brass);
  color: var(--accent-brass);
  transform: translateY(-1px);
}

.theme-toggle-btn .theme-icon {
  font-size: 0.85rem;
  line-height: 1;
}

/* Language Toggle Button */
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: rgba(14, 22, 38, 0.6);
  border: 1px solid var(--border-hairline);
  color: var(--text-display);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: all var(--transition-fast);
  user-select: none;
}

.lang-toggle-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: translateY(-1px);
}

[data-theme="light"] .lang-toggle-btn {
  background: #FFFFFF;
  border-color: rgba(184, 134, 11, 0.35);
  color: #0D1525;
  box-shadow: 0 1px 4px rgba(13, 21, 37, 0.06);
}

[data-theme="light"] .lang-toggle-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: #FFFFFF;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-display);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

[data-theme="light"] .mobile-toggle {
  border-color: rgba(13, 21, 37, 0.2);
  color: #0D1525;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #E5A93C 0%, #D97706 100%);
  color: #070B12;
  border: 1px solid #F59E0B;
  box-shadow: 0 0 16px rgba(229, 169, 60, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #F59E0B 0%, #E5A93C 100%);
  box-shadow: 0 0 24px rgba(229, 169, 60, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(14, 22, 38, 0.6);
  color: var(--text-display);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  box-shadow: 0 0 16px rgba(0, 229, 188, 0.2);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.775rem;
}

/* ===================================================================
   HERO SECTION
   =================================================================== */
.hero {
  padding: 120px 0 100px;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
  background: 
    radial-gradient(ellipse 60% 40% at 50% -10%, rgba(229, 169, 60, 0.07), transparent 70%),
    radial-gradient(ellipse 50% 30% at 85% 60%, rgba(0, 229, 188, 0.05), transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(14, 22, 38, 0.8);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-brass);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.85rem);
  font-weight: 600;
  line-height: 1.12;
  color: var(--text-display);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  color: var(--accent-brass);
  font-weight: 400;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-specs-list {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  width: 100%;
}

.hero-spec-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-spec-item strong {
  color: var(--accent-teal);
  font-weight: 500;
}

/* ===================================================================
   HERO VISUAL: THE REASONING TRACE (SVG CIRCUIT)
   =================================================================== */
.reasoning-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 
    0 20px 40px -15px rgba(0, 0, 0, 0.7),
    0 0 30px -10px rgba(229, 169, 60, 0.1);
  position: relative;
  overflow: hidden;
}

.visual-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.visual-card-title {
  color: var(--text-display);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.visual-card-meta {
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  gap: 6px;
}

.trace-svg-container {
  width: 100%;
  min-height: 380px;
  position: relative;
}

.trace-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* SVG Trace Nodes Theming */
.trace-node-base {
  fill: #0A1120;
  transition: fill var(--transition-fast);
}

.trace-node-label {
  fill: #CBD5E1;
  transition: fill var(--transition-fast);
}

[data-theme="light"] .trace-node-base {
  fill: #FFFFFF;
}

[data-theme="light"] .trace-node-label {
  fill: #0D1525;
}

[data-theme="light"] #path-guard-ai,
[data-theme="light"] #path-ai-reconcile {
  stroke: #0E5A5C;
  stroke-opacity: 0.7;
}

[data-theme="light"] #path-guard-fintech,
[data-theme="light"] #path-fintech-reconcile {
  stroke: #B8860B;
  stroke-opacity: 0.7;
}

.trace-inspector {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(7, 11, 18, 0.85);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-brass);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.inspector-label {
  color: var(--accent-brass);
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inspector-desc {
  color: var(--text-body-bright);
  line-height: 1.5;
}

/* ===================================================================
   SECTION: KENAPA NALAR LABS (LEDGER-ROW STYLE)
   =================================================================== */
.ledger-table-wrap {
  margin-top: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.ledger-header {
  display: grid;
  grid-template-columns: 80px 240px 1fr 1fr;
  padding: 14px 24px;
  background: rgba(8, 13, 23, 0.95);
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.ledger-row {
  display: grid;
  grid-template-columns: 80px 240px 1fr 1fr;
  padding: 24px;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
  transition: background var(--transition-fast);
}

.ledger-row:nth-child(even) {
  background: var(--bg-ledger-row);
}

.ledger-row:nth-child(odd) {
  background: var(--bg-ledger-row-alt);
}

.ledger-row:last-child {
  border-bottom: none;
}

.ledger-row:hover {
  background: rgba(229, 169, 60, 0.04);
}

.ledger-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-brass);
  font-weight: 600;
}

.ledger-concept {
  padding-right: 16px;
}

.ledger-concept h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text-display);
  margin-bottom: 6px;
  line-height: 1.3;
}

.ledger-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--accent-teal-dim);
  color: var(--accent-teal);
  border: 1px solid var(--border-hairline-teal);
}

.ledger-nalar {
  padding-right: 24px;
}

.ledger-nalar-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-teal);
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ledger-nalar p {
  color: var(--text-display);
  font-size: 0.925rem;
  line-height: 1.6;
}

.ledger-other {
  padding-right: 8px;
}

.ledger-other-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.ledger-other p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===================================================================
   SECTION: GRID LAYANAN (4 MODULAR CARDS)
   =================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-hairline), transparent);
  transition: all var(--transition-smooth);
}

.service-card:hover {
  border-color: var(--border-hairline);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -10px rgba(0, 0, 0, 0.6), 0 0 24px -8px rgba(229, 169, 60, 0.15);
}

.service-card:hover::before {
  background: linear-gradient(90deg, transparent, var(--accent-brass), transparent);
}

.service-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.service-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(7, 11, 18, 0.85);
  border: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.service-icon-wrap img {
  width: 100%;
  height: 100%;
}

.service-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-teal);
  letter-spacing: 0.08em;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-display);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-body);
  margin-bottom: 24px;
}

.service-deliverables {
  list-style: none;
  margin-bottom: 28px;
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-deliverables li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-body-bright);
}

.service-deliverables li::before {
  content: '▸';
  color: var(--accent-brass);
  font-family: var(--font-mono);
}

.service-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  background: rgba(7, 11, 18, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

/* Highlight 4th Service (Technical Consulting) */
.service-card.highlight {
  border-color: rgba(229, 169, 60, 0.35);
  background: linear-gradient(180deg, rgba(19, 30, 52, 0.8) 0%, rgba(14, 22, 38, 0.75) 100%);
}

.service-card.highlight .service-icon-wrap {
  border-color: var(--accent-brass);
  box-shadow: 0 0 12px var(--accent-brass-dim);
}

[data-theme="light"] .service-card.highlight {
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF5EA 100%);
  border-color: rgba(184, 134, 11, 0.45);
  box-shadow: 0 12px 28px -10px rgba(184, 134, 11, 0.18);
}

[data-theme="light"] .service-card.highlight:hover {
  background: #FFFFFF;
  border-color: var(--accent-brass);
}

[data-theme="light"] .service-card.highlight .service-icon-wrap {
  background: #FDF9F0;
  border-color: var(--accent-brass);
}

/* ===================================================================
   SECTION: METODOLOGI 4 LANGKAH (SEQUENTIAL TIMELINE)
   =================================================================== */
.methodology-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
  position: relative;
}

.methodology-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition-smooth);
}

.methodology-step:hover {
  border-color: var(--accent-teal);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -8px rgba(0, 229, 188, 0.15);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-brass);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-phase {
  font-size: 0.7rem;
  color: var(--accent-teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-display);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-body);
}

.step-artifacts {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ===================================================================
   SECTION: CREDIBILITY METRICS (TELEMETRY HUD & CASE ANALYSIS)
   =================================================================== */
.metrics-hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: left;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.metric-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 32px;
  height: 32px;
  background: radial-gradient(circle at top right, var(--accent-brass-glow), transparent 70%);
}

.metric-card.teal::after {
  background: radial-gradient(circle at top right, var(--accent-teal-glow), transparent 70%);
}

.metric-value {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--text-display);
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.metric-value .accent {
  color: var(--accent-brass);
}

.metric-value.teal .accent {
  color: var(--accent-teal);
}

.metric-label {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body-bright);
  margin-bottom: 4px;
}

.metric-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Deep Dive Case: Latency Waterfall Comparison */
.latency-case-card {
  margin-top: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.case-title-group h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-display);
  margin-bottom: 4px;
}

.case-title-group p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.case-toggle-btns {
  display: flex;
  background: rgba(7, 11, 18, 0.8);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  gap: 4px;
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: var(--bg-card-active);
  color: var(--accent-brass);
  font-weight: 600;
  border: 1px solid var(--border-hairline);
}

#toggle-legacy.active {
  color: #EF4444;
  border-color: rgba(239, 68, 68, 0.4);
}

[data-theme="light"] #toggle-legacy.active {
  background: #FFFFFF;
  color: #DC2626;
  border-color: rgba(220, 38, 38, 0.4);
}

[data-theme="light"] #toggle-nalar.active {
  background: #FFFFFF;
  color: var(--accent-brass);
  border-color: rgba(184, 134, 11, 0.4);
}

.waterfall-display {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.waterfall-bar-row {
  display: grid;
  grid-template-columns: 220px 1fr 90px;
  align-items: center;
  gap: 16px;
}

.bar-label {
  color: var(--text-body-bright);
}

.bar-track {
  height: 12px;
  background: rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.bar-fill.legacy {
  background: #EF4444;
}

.bar-fill.nalar {
  background: linear-gradient(90deg, #00E5BC, #E5A93C);
}

.bar-duration {
  color: var(--text-muted);
  text-align: right;
}

/* ===================================================================
   SECTION: INTERACTIVE SCOPE & INQUIRY CALCULATOR
   =================================================================== */
.estimator-card {
  margin-top: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}

.estimator-inputs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.input-block-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-brass);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.chip-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-option {
  background: rgba(7, 11, 18, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-body);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.chip-option:hover {
  border-color: var(--border-hairline);
  color: var(--text-display);
}

.chip-option.selected {
  background: var(--accent-brass-dim);
  border-color: var(--accent-brass);
  color: var(--accent-brass);
  font-weight: 600;
}

.estimator-output {
  background: rgba(7, 11, 18, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.output-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-teal);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.output-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-display);
  margin-bottom: 8px;
}

.output-summary {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 20px;
}

.output-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-body-bright);
  margin-bottom: 24px;
}

.output-spec-list li::before {
  content: '✓ ';
  color: var(--accent-teal);
}

/* ===================================================================
   SECTION: CTA & CONTACT
   =================================================================== */
.cta-section {
  padding: 120px 0;
  text-align: center;
  position: relative;
  background: 
    radial-gradient(circle at 50% 50%, rgba(229, 169, 60, 0.08), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(0, 229, 188, 0.04), transparent 50%);
}

.cta-box {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600;
  color: var(--text-display);
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 36px;
}

.cta-channels {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===================================================================
   FOOTER & SYSTEM STATUS
   =================================================================== */
.site-footer {
  background: #05080E;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-brass);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-body);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   =================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .ledger-header {
    display: none;
  }
  .ledger-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .methodology-track {
    grid-template-columns: 1fr 1fr;
  }
  .metrics-hud {
    grid-template-columns: 1fr 1fr;
  }
  .estimator-card {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .telemetry-content {
    justify-content: center;
  }
  .nav-menu {
    display: none;
  }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-canvas-subtle);
    padding: 24px;
    border-bottom: 1px solid var(--border-hairline);
    gap: 16px;
  }
  .mobile-toggle {
    display: block;
  }
  .hero {
    padding: 80px 0 60px;
  }
  .methodology-track {
    grid-template-columns: 1fr;
  }
  .metrics-hud {
    grid-template-columns: 1fr;
  }
  .waterfall-bar-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .bar-duration {
    text-align: left;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Focused agency landing page */
.site-header { top: 0; }
.focus-hero { min-height: 610px; }
.focus-hero .hero-grid { grid-template-columns: 1fr 1fr; }
.focus-hero .hero-title { max-width: 590px; }
.focus-points { display: flex; flex-wrap: wrap; gap: 10px; color: var(--text-body-bright); font-size: .82rem; }
.focus-points span { padding: 8px 12px; border: 1px solid var(--border-subtle); border-radius: 999px; background: var(--bg-card); }
.product-visual { padding: 26px; border: 1px solid var(--border-hairline-teal); border-radius: 18px; background: linear-gradient(145deg, var(--bg-card), rgba(0, 229, 188, .04)); box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.product-visual-top { display: flex; align-items: center; gap: 9px; padding-bottom: 18px; border-bottom: 1px solid var(--border-subtle); font: 600 .7rem var(--font-mono); letter-spacing: .08em; color: var(--text-body-bright); }
.product-visual-top .flow-status { margin-left: auto; color: var(--accent-teal); font-size: .65rem; }
.product-flow { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 56px 0; }
.flow-node { display: flex; flex: 1; min-width: 0; flex-direction: column; gap: 9px; padding: 16px 12px; border: 1px solid var(--border-subtle); border-radius: 12px; background: var(--bg-canvas-subtle); }
.flow-node.active { border-color: var(--accent-teal); box-shadow: 0 0 28px var(--accent-teal-dim); }
.flow-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--accent-teal-dim); color: var(--accent-teal); font: 600 .7rem var(--font-mono); }
.flow-node strong { color: var(--text-display); font-size: .82rem; }
.flow-node small { color: var(--text-muted); font-size: .7rem; }
.flow-arrow { color: var(--accent-brass); }
.flow-caption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 15px; border-top: 1px solid var(--border-subtle); color: var(--text-body); font-size: .8rem; }
.flow-caption span:last-child { color: var(--accent-teal); font-size: 1rem; }
.focus-section { padding-bottom: 72px; }
.focus-services { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.focus-services .service-card { min-height: 250px; }
.focus-services .service-desc { margin-bottom: 0; }
.focus-process { background: var(--bg-canvas-subtle); }
.process-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 36px; }
.process-steps article { padding: 4px 22px 18px 0; border-top: 1px solid var(--border-hairline); }
.process-steps article > span { display: inline-block; padding: 14px 0 18px; color: var(--accent-brass); font: 600 .75rem var(--font-mono); }
.process-steps h3 { margin-bottom: 8px; color: var(--text-display); font-family: var(--font-serif); font-size: 1.3rem; }
.process-steps p { color: var(--text-body); font-size: .9rem; line-height: 1.6; }
.footer-simple { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 28px; padding-bottom: 28px; }
.footer-logo img { width: 145px; height: auto; }
.footer-simple p { max-width: 340px; margin: 0; color: var(--text-body); font-size: .85rem; }
.footer-simple > span { color: var(--text-muted); font-size: .78rem; }
.portfolio-section { background: var(--bg-canvas); }
.portfolio-list { margin-top: 28px; }
.work-entry { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(30px, 6vw, 78px); padding: 54px 0; border-bottom: 1px solid var(--border-subtle); }
.work-entry:first-child { border-top: 1px solid var(--border-subtle); }
.work-entry--reverse .work-visual { order: 2; }
.work-entry--reverse .work-copy { order: 1; }
.work-visual { display: grid; min-height: 370px; place-items: center; padding: 28px; overflow: hidden; border-radius: 3px; background: radial-gradient(ellipse at 70% 20%, rgba(0,229,188,.15), transparent 45%), linear-gradient(145deg, var(--bg-canvas-subtle), var(--bg-card)); }
.work-entry:nth-child(2) .work-visual { background: radial-gradient(ellipse at 25% 85%, rgba(229,169,60,.16), transparent 45%), linear-gradient(145deg, var(--bg-card), var(--bg-canvas-subtle)); }
.work-screen { position: relative; width: min(100%, 560px); min-height: 290px; overflow: hidden; border: 1px solid var(--border-hairline); border-radius: 12px; background: rgba(7,11,18,.92); box-shadow: 0 24px 55px rgba(0,0,0,.28); }
.screen-top { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-bottom: 1px solid var(--border-subtle); color: var(--text-muted); font: 500 .56rem var(--font-mono); }
.screen-top i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-brass); opacity: .7; }
.screen-top i:nth-child(2) { background: var(--accent-teal); }
.screen-top i:nth-child(3) { background: var(--text-muted); }
.screen-top span { margin-left: 8px; }
.screen-content { display: grid; grid-template-columns: 22% 1fr; gap: 14px; min-height: 255px; padding: 18px; }
.screen-side { border-radius: 5px; background: repeating-linear-gradient(to bottom, rgba(148,163,184,.18) 0 3px, transparent 3px 17px); }
.screen-main { display: flex; flex-direction: column; gap: 11px; }
.screen-main > b { width: 54%; height: 7px; border-radius: 5px; background: rgba(248,250,252,.45); }
.screen-main > b + b { width: 32%; height: 4px; background: rgba(148,163,184,.25); }
.screen-panel { display: flex; align-items: end; gap: 8px; height: 90px; margin-top: 4px; padding: 12px; border: 1px solid var(--border-subtle); border-radius: 6px; }
.screen-panel i { flex: 1; height: 38%; border-radius: 3px 3px 0 0; background: var(--accent-teal-deep); }
.screen-panel i:nth-child(2) { height: 78%; background: var(--accent-brass); }
.screen-panel i:nth-child(3) { height: 56%; background: var(--accent-teal); }
.screen-lines { display: grid; gap: 6px; }
.screen-lines i { width: 100%; height: 4px; border-radius: 4px; background: rgba(148,163,184,.2); }
.screen-lines i:last-child { width: 65%; }
.screen-chat { display: flex; flex-direction: column; gap: 12px; width: 78%; margin: 24px auto; }
.screen-chat b, .screen-chat i { display: block; width: 70%; height: 28px; border: 1px solid var(--border-subtle); border-radius: 8px 8px 8px 2px; background: rgba(148,163,184,.1); }
.screen-chat i { align-self: end; width: 58%; border-color: var(--border-hairline-teal); background: var(--accent-teal-dim); }
.screen-dashboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 22px; }
.screen-dashboard > div:not(.screen-chart) { height: 64px; border: 1px solid var(--border-subtle); border-radius: 6px; background: linear-gradient(160deg, rgba(148,163,184,.15), rgba(148,163,184,.03)); }
.screen-chart { grid-column: 1 / -1; display: flex; align-items: end; gap: 10px; height: 125px; padding: 15px; border: 1px solid var(--border-subtle); border-radius: 6px; }
.screen-chart i { flex: 1; height: 35%; background: var(--accent-teal-deep); border-radius: 3px 3px 0 0; }
.screen-chart i:nth-child(2) { height: 70%; }
.screen-chart i:nth-child(3) { height: 52%; background: var(--accent-brass); }
.screen-chart i:nth-child(4) { height: 84%; background: var(--accent-teal); }
.screen-chart i:nth-child(5) { height: 62%; }
.visual-placeholder { position: absolute; right: 12px; bottom: 12px; padding: 6px 9px; border: 1px dashed var(--border-hairline-teal); border-radius: 999px; color: var(--accent-teal); background: var(--bg-canvas); font: 600 .58rem var(--font-mono); letter-spacing: .06em; }
.work-meta { display: flex; align-items: center; gap: 12px; color: var(--accent-teal); font: 600 .68rem var(--font-mono); letter-spacing: .05em; }
.work-meta span:first-child { color: var(--accent-brass); }
.work-meta span:last-child { margin-left: auto; color: var(--text-muted); }
.work-copy h3 { margin: 19px 0 24px; color: var(--text-display); font: 600 clamp(1.8rem, 3vw, 2.6rem)/1.1 var(--font-serif); }
.work-details { display: grid; gap: 15px; margin: 0; }
.work-details div { display: grid; grid-template-columns: 96px 1fr; gap: 12px; }
.work-details dt { color: var(--text-body-bright); font-size: .76rem; font-weight: 600; }
.work-details dd { margin: 0; color: var(--text-body); font-size: .8rem; line-height: 1.5; }
.portfolio-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.portfolio-tags span { padding: 5px 8px; border: 1px solid var(--border-subtle); border-radius: 999px; color: var(--text-muted); font: 500 .62rem var(--font-mono); }
.portfolio-tags span { padding: 5px 8px; border: 1px solid var(--border-subtle); border-radius: 999px; color: var(--text-muted); font: 500 .62rem var(--font-mono); }
.process-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.faq-section { padding-top: 80px; padding-bottom: 80px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(36px, 8vw, 100px); }
.faq-list details { border-bottom: 1px solid var(--border-subtle); }
.faq-list details:first-child { border-top: 1px solid var(--border-subtle); }
.faq-list summary { position: relative; padding: 20px 34px 20px 0; color: var(--text-display); font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 2px; color: var(--accent-teal); font-size: 1.2rem; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 58ch; margin: 0; padding: 0 24px 20px 0; color: var(--text-body); font-size: .9rem; line-height: 1.65; }
@media (max-width: 1024px) {
  .focus-hero .hero-grid { grid-template-columns: 1fr; }
  .focus-hero .hero-content { max-width: 720px; }
  .process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-entry { gap: 28px; padding: 40px 0; }
  .faq-layout { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 768px) {
  .focus-hero { min-height: 0; }
  .product-visual { padding: 18px; }
  .product-flow { padding: 30px 0; gap: 6px; }
  .flow-node { padding: 12px 8px; }
  .flow-node strong { font-size: .72rem; }
  .flow-node small { font-size: .62rem; }
  .flow-arrow { font-size: .75rem; }
  .focus-services, .process-steps { grid-template-columns: 1fr; }
  .work-entry { grid-template-columns: 1fr; gap: 22px; padding: 32px 0; }
  .work-entry--reverse .work-visual, .work-entry--reverse .work-copy { order: initial; }
  .work-visual { min-height: 260px; padding: 16px; }
  .work-screen { min-height: 230px; }
  .screen-content { min-height: 195px; }
  .focus-services .service-card { min-height: 0; }
  .footer-simple { align-items: flex-start; flex-direction: column; gap: 14px; }
}