@charset "UTF-8";

/* ==========================================================================
   Dublingoo — Enterprise Digital Engineering & Product Consultancy
   Bespoke Executive Design System
   Palette: Rich Navy Onyx (#0b1329 / #0f172a), Classic Corporate Blue (#1e40af / #2563eb),
   Warm Slate (#475569), Clean Alabaster White (#ffffff), and Crisp Rule Dividers (#e2e8f0).
   ========================================================================== */

:root {
  /* Architectural Colors */
  --navy-950: #080d1a;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  
  --corporate-blue: #1d4ed8;
  --corporate-blue-hover: #1e40af;
  --corporate-blue-light: #eff6ff;
  --corporate-blue-border: #bfdbfe;

  --accent-emerald: #059669;
  --accent-emerald-light: #ecfdf5;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  --bg-pure: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-subtle-2: #f1f5f9;
  --bg-footer: #080d1a;

  --border-strong: #cbd5e1;
  --border-default: #e2e8f0;
  --border-light: #f1f5f9;

  /* Typography */
  --font-serif: "Newsreader", Georgia, Cambria, "Times New Roman", Times, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 2px 8px rgba(15, 23, 42, 0.04), 0 0 0 1px var(--border-default);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-pure);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

::selection {
  background: var(--navy-900);
  color: #ffffff;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.top-bar-notice {
  background: var(--navy-900);
  color: #94a3b8;
  font-size: 12.5px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-notice a {
  color: #e2e8f0;
  text-decoration: underline;
}

.site-nav {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
  padding: 16px 0;
  transition: all 0.2s ease;
  z-index: 1030;
}

.site-nav.scrolled {
  padding: 12px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.brand-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand-dot {
  width: 7px;
  height: 7px;
  background: var(--corporate-blue);
  border-radius: 50%;
  display: inline-block;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary) !important;
  padding: 6px 14px !important;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--corporate-blue) !important;
}

/* Corporate Buttons */
.btn-corp-primary {
  background: var(--navy-900);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--navy-900);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.btn-corp-primary:hover {
  background: var(--corporate-blue);
  border-color: var(--corporate-blue);
  color: #ffffff;
}

.btn-corp-secondary {
  background: #ffffff;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.btn-corp-secondary:hover {
  background: var(--bg-subtle);
  border-color: var(--text-primary);
}

/* ==========================================================================
   Typography & Editorial Accents
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  letter-spacing: -0.03em;
  font-weight: 700;
  line-height: 1.2;
}

.font-editorial {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
}

.eyebrow-rule {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--corporate-blue);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.eyebrow-rule::after {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--corporate-blue);
}

.section-head {
  margin-bottom: 54px;
}

.section-title {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-executive {
  padding: 100px 0 70px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-default);
}

.hero-headline {
  font-size: clamp(38px, 4.6vw, 60px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text-primary);
  margin-bottom: 22px;
}

.hero-paragraph {
  font-size: clamp(17px, 1.2vw, 19px);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 660px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-metrics-grid {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.metric-cell {
  padding: 24px;
  border-bottom: 1px solid var(--border-default);
}

.metric-cell:last-child {
  border-bottom: none;
}

.metric-value {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-caption {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   Client Proof Bar (Standards)
   ========================================================================== */

.client-standards-bar {
  padding: 24px 0;
  background: var(--bg-subtle-2);
  border-bottom: 1px solid var(--border-default);
}

.standards-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.standard-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.standard-badge i {
  color: var(--corporate-blue);
  font-size: 14px;
}

/* ==========================================================================
   Section Layouts & White Paper Grids
   ========================================================================== */

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-default);
}

.section-subtle {
  background: var(--bg-subtle);
}

.white-paper-card {
  background: #ffffff;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 34px 30px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.white-paper-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.card-num-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 14px;
}

/* ==========================================================================
   Firm Governance & Comparison
   ========================================================================== */

.governance-table {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: #ffffff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.gov-row {
  display: grid;
  grid-template-columns: 240px 1fr 1fr;
  border-bottom: 1px solid var(--border-default);
}

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

.gov-header {
  background: var(--bg-subtle-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 16px 24px;
}

.gov-topic {
  background: var(--bg-subtle);
  padding: 20px 24px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  border-right: 1px solid var(--border-default);
  display: flex;
  align-items: center;
}

.gov-agency {
  padding: 20px 24px;
  font-size: 14px;
  color: #991b1b;
  background: #fffafa;
  border-right: 1px solid var(--border-default);
}

.gov-dublingoo {
  padding: 20px 24px;
  font-size: 14px;
  color: var(--text-primary);
  background: #ffffff;
  font-weight: 500;
}

@media (max-width: 900px) {
  .gov-row {
    grid-template-columns: 1fr;
  }
  .gov-topic {
    border-right: none;
    border-bottom: 1px solid var(--border-default);
  }
  .gov-agency {
    border-right: none;
    border-bottom: 1px solid var(--border-default);
  }
}

/* ==========================================================================
   Case Studies / Deliverable Portfolios
   ========================================================================== */

.case-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-sector {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--corporate-blue);
  font-weight: 600;
  margin-bottom: 10px;
}

.case-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.case-narrative {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.case-metric-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 20px;
}

.case-metric-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.case-metric-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   Engineering 7-Phase Delivery
   ========================================================================== */

.milestone-timeline {
  border-top: 1px solid var(--border-default);
}

.milestone-item {
  display: grid;
  grid-template-columns: 100px 240px 1fr 200px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-default);
  align-items: baseline;
  gap: 24px;
}

@media (max-width: 991px) {
  .milestone-item {
    grid-template-columns: 60px 1fr;
  }
}

.milestone-idx {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--corporate-blue);
}

.milestone-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.milestone-timing {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.milestone-details {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.milestone-audit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-subtle-2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
}

/* ==========================================================================
   Architecture & Infrastructure
   ========================================================================== */

.infra-board {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 28px;
}

.infra-header {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 12px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
}

.infra-tier {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--bg-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.infra-tier.tier-prod {
  background: #ffffff;
  border-color: var(--navy-900);
  border-width: 1.5px;
}

/* ==========================================================================
   Commercial Scopes / Milestone Tiers
   ========================================================================== */

.commercial-card {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 38px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.commercial-card.featured-card {
  border: 2px solid var(--navy-900);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.featured-ribbon-tag {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--navy-900);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.commercial-phase {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--corporate-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.commercial-name {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 6px;
}

.commercial-duration {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.commercial-deliverables-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 30px;
  border-top: 1px solid var(--border-default);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.commercial-deliverables-list li {
  font-size: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--text-secondary);
}

.commercial-deliverables-list li i {
  color: var(--corporate-blue);
  font-size: 12px;
}

/* ==========================================================================
   Executive FAQs
   ========================================================================== */

.faq-group {
  border-top: 1px solid var(--border-default);
}

.faq-row {
  border-bottom: 1px solid var(--border-default);
}

.faq-trigger {
  width: 100%;
  padding: 22px 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-indicator {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 400;
}

.faq-body {
  padding-bottom: 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 720px;
}

/* ==========================================================================
   Consultation Contact Form
   ========================================================================== */

.consult-box {
  background: #ffffff;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-label-corp {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.form-input-corp {
  width: 100%;
  padding: 10px 14px;
  font-size: 14.5px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input-corp:focus {
  border-color: var(--navy-900);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-foot {
  background: var(--bg-footer);
  color: #94a3b8;
  padding: 70px 0 36px;
  font-size: 13.5px;
}

.foot-heading {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #e2e8f0;
  margin-bottom: 16px;
  font-weight: 600;
}

.foot-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-list a {
  color: #94a3b8;
}

.foot-list a:hover {
  color: #ffffff;
}

.foot-entity {
  margin: 40px 0 0;
  font-style: normal;
  font-size: 13px;
}

.foot-baseline a:hover, .foot-entity a:hover { color: #ffffff; }

/* ==========================================================================
   Mobile menu, quotes, case links, samples
   ========================================================================== */

.nav-toggle {
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 40px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.nav-toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 0.2s ease;
}

.nav-toggle.is-open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle.is-open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

.mobile-menu {
  border-top: 1px solid var(--border-default);
  margin-top: 14px;
  padding: 8px 0 20px;
}

.mobile-menu a:not(.btn-corp-primary) {
  display: block;
  padding: 14px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
}

.how-strip {
  padding: 56px 0;
  background: var(--navy-900);
  color: #cbd5e1;
}

.how-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  color: #ffffff;
  margin-bottom: 28px;
}

.how-step span {
  display: inline-flex;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid #475569;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #93c5fd;
  margin-bottom: 14px;
}

.how-step h3 {
  color: #ffffff;
  font-size: 17px;
  margin-bottom: 6px;
}

.how-step p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
}

.tech-note {
  border-top: 1px solid var(--border-default);
  padding-top: 12px;
}

.tech-note summary {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
}

.tech-note summary:hover { color: var(--corporate-blue); }

.tech-note p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 10px 0 0;
}

.case-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--corporate-blue);
}

.case-link:hover { color: var(--navy-900); }

.quote-card {
  margin: 0;
  height: 100%;
  border-left: 3px solid var(--corporate-blue);
  background: var(--bg-subtle);
  padding: 28px 32px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.quote-card blockquote {
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1.45;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.quote-card figcaption {
  font-size: 13.5px;
  color: var(--text-muted);
}

.sample-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.sample-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-default);
  font-size: 15px;
  color: var(--text-primary);
  display: flex;
  gap: 12px;
  align-items: center;
}

.sample-list i { color: var(--corporate-blue); width: 18px; }

@media (max-width: 575px) {
  .section { padding: 64px 0; }
  .hero-executive { padding: 56px 0 48px; }
  .consult-box { padding: 26px 20px; }
  .infra-tier { flex-direction: column; align-items: flex-start; gap: 10px; }
  .infra-header { flex-direction: column; gap: 4px; }
}

/* ==========================================================================
   Sub pages (case studies, legal)
   ========================================================================== */

.page-head {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border-default);
}

.page-body {
  padding: 56px 0 96px;
  max-width: 760px;
}

.page-body h2 {
  font-size: 24px;
  margin: 44px 0 12px;
}

.page-body p, .page-body li { font-size: 16.5px; color: var(--text-secondary); }

.fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 32px;
}

.fact-row div span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.fact-row div strong { font-size: 16px; color: var(--text-primary); }

.draft-note {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  font-size: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
}

.foot-baseline {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}