/* ==========================================================================
   Kriu Design System — site.css
   Leonardo da Vinci Chiaroscuro & Sfumato Architecture
   Atmospheric, tactile, high-craft stylesheet.
   No Tailwind CDN, zero bloated dependencies.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;0,8..60,700;1,8..60,400&display=swap');

:root {
  /* Da Vinci Studio Canvas */
  --bg-obsidian: #090a0d;
  --bg-panel: #111217;
  --bg-surface: #16171d;
  --bg-glass: rgba(18, 19, 25, 0.76);
  --bg-glass-elevated: rgba(24, 25, 33, 0.85);

  /* Classical Renaissance Pigments */
  --sanguine: #d95338;             /* Red chalk highlight */
  --sanguine-hover: #e66248;
  --sanguine-glow: rgba(217, 83, 56, 0.12);
  --sanguine-subtle: rgba(217, 83, 56, 0.05);

  --verdigris: #2ca58d;            /* Oxidized bronze green / Fast-track */
  --verdigris-glow: rgba(44, 165, 141, 0.12);
  --verdigris-border: rgba(44, 165, 141, 0.35);

  --vellum: #f4f0e8;               /* Antique Italian paper text */
  --vellum-bright: #ffffff;
  --silverpoint: #9c9990;          /* Sketch gray metadata */
  --silverpoint-dark: #625f57;

  /* Hairlines & Registration Marks */
  --border-vellum: rgba(244, 240, 232, 0.08);
  --border-vellum-strong: rgba(244, 240, 232, 0.18);
  --border-focus: rgba(217, 83, 56, 0.4);
  --line: rgba(244, 240, 232, 0.14);
  --line-strong: rgba(244, 240, 232, 0.24);
  --line-subtle: rgba(244, 240, 232, 0.08);

  /* Surface & Panel Canvas Tokens */
  --paper: #0c0d12;
  --paper-card: #13141b;
  --paper-subtle: #181922;

  /* Ink & Text Palette Tokens */
  --ink: #f4f0e8;
  --ink-2: #c8c5bc;
  --ink-muted: #8e8b82;

  /* Accent & Highlight Compatibility */
  --accent: #d95338;
  --accent-hover: #e66248;
  --accent-light: rgba(217, 83, 56, 0.14);

  /* Semantic Verification & Status Tokens */
  --good: #2ca58d;
  --good-bg: rgba(44, 165, 141, 0.12);
  --good-border: rgba(44, 165, 141, 0.35);
  --warn: #d99b38;
  --warn-bg: rgba(217, 155, 56, 0.12);
  --warn-border: rgba(217, 155, 56, 0.35);
  --bad: #e04545;
  --bad-bg: rgba(224, 69, 69, 0.12);
  --bad-border: rgba(224, 69, 69, 0.35);

  /* Status Colors */
  --status-fast-track: #2ca58d;
  --status-grill: #d95338;
  --status-skip: #e04545;

  /* Typography & Geometry Aliases */
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --serif: var(--font-serif);
  --sans: var(--font-sans);
  --mono: var(--font-mono);

  --radius: 10px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-width: 1180px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-obsidian);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(217, 83, 56, 0.045) 0%, transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(44, 165, 141, 0.035) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(217, 83, 56, 0.03) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--vellum);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

/* Procedural Film Grain Texture Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('../assets/grain.svg');
  opacity: 0.045;
  pointer-events: none;
  z-index: 999;
  mix-blend-mode: overlay;
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sanguine);
  margin-bottom: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.section-kicker::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--sanguine);
  border-radius: 50%;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--vellum-bright);
  margin-bottom: 1.25rem;
}

.section-title em {
  font-style: italic;
  color: var(--vellum);
  font-weight: 400;
}

.section-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--silverpoint);
  max-width: 680px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--vellum);
  color: var(--bg-obsidian);
  border-color: var(--vellum);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.btn-primary:hover {
  background: var(--vellum-bright);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(244, 240, 232, 0.15);
}

.btn-secondary {
  background: rgba(244, 240, 232, 0.05);
  color: var(--vellum);
  border-color: var(--border-vellum-strong);
}

.btn-secondary:hover {
  background: rgba(244, 240, 232, 0.1);
  border-color: var(--vellum);
  color: var(--vellum-bright);
}

.btn-sanguine {
  background: var(--sanguine);
  color: #ffffff;
  border-color: var(--sanguine);
}

.btn-sanguine:hover {
  background: var(--sanguine-hover);
  box-shadow: 0 4px 20px var(--sanguine-glow);
}

.btn-accent {
  background: var(--sanguine);
  color: #ffffff;
  border-color: var(--sanguine);
  box-shadow: 0 4px 16px var(--sanguine-glow);
}

.btn-accent:hover {
  background: var(--sanguine-hover);
  border-color: var(--sanguine-hover);
  box-shadow: 0 6px 20px rgba(217, 83, 56, 0.28);
  transform: translateY(-1px);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Site Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(9, 10, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-vellum);
  z-index: 100;
  transition: background 0.2s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

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

.brand-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--silverpoint);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--vellum-bright);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--vellum);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-drawer {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-vellum-strong);
  padding: 1.5rem;
  flex-direction: column;
  gap: 1rem;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer a {
  color: var(--vellum);
  text-decoration: none;
  font-size: 1rem;
  padding: 0.5rem 0;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Hero Section: Dual Chiaroscuro Architecture
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 2.25rem 0 5rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 1.75rem 0 3.5rem;
  }
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -150px;
  left: 30%;
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, var(--sanguine-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.hero-copy h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4.4vw, 3.85rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--vellum-bright);
  margin-bottom: 1.4rem;
}

.hero-copy h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--vellum);
}

.hero-lead {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  color: var(--silverpoint);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.hero-subtext {
  font-size: 0.8125rem;
  color: var(--silverpoint-dark);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   Hero Floating Inspector Card (No dividing bars, authentic depth)
   -------------------------------------------------------------------------- */
.inspector-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 
    0 16px 40px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(217, 83, 56, 0.06);
  position: relative;
}

.inspector-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(244, 240, 232, 0.15), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-vellum);
}

.candidate-meta h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--vellum-bright);
  letter-spacing: -0.01em;
}

.candidate-meta span {
  font-size: 0.75rem;
  color: var(--silverpoint);
  font-family: var(--font-mono);
}

.verdict-stamp {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.verdict-stamp.grill {
  background: rgba(217, 83, 56, 0.14);
  color: var(--sanguine);
  border: 1px solid rgba(217, 83, 56, 0.35);
}

.verdict-stamp.fast-track {
  background: rgba(44, 165, 141, 0.14);
  color: var(--verdigris);
  border: 1px solid var(--verdigris-border);
}

.inspector-row {
  margin-bottom: 1.25rem;
}

.inspector-row-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--silverpoint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.claim-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--vellum);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.65rem 0.85rem;
  border-left: 2px solid var(--border-vellum-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0.65rem;
}

.finding-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--sanguine);
  background: var(--sanguine-subtle);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(217, 83, 56, 0.2);
}

.interview-kit-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
}

.interview-kit-box .kit-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silverpoint);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.interview-kit-box .question-text {
  font-size: 0.875rem;
  color: var(--vellum-bright);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0.65rem;
}

.interview-kit-box .depth-signals {
  font-size: 0.75rem;
  color: var(--silverpoint);
  line-height: 1.6;
}

.interview-kit-box .depth-signals strong {
  color: var(--verdigris);
}

.interview-kit-box .depth-signals .red-flag {
  color: var(--sanguine);
}

/* Hero Editorial Image (Lantern Style) */
.hero-editorial-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-vellum-strong);
  box-shadow: 
    0 24px 60px rgba(0, 0, 0, 0.7),
    0 0 70px rgba(217, 83, 56, 0.08);
  aspect-ratio: 4 / 3;
}

.hero-editorial-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.hero-editorial-wrap:hover .hero-editorial-img {
  transform: scale(1.02);
}

.hero-editorial-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(9, 10, 13, 0.6) 100%);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Section 2: Horizontal 4-Step Sequential Pipeline (Atmospheric Backdrop)
   -------------------------------------------------------------------------- */
.pipeline-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-vellum);
  border-bottom: 1px solid var(--border-vellum);
  background: var(--bg-panel);
}

.pipeline-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  mix-blend-mode: luminosity;
  pointer-events: none;
  z-index: 0;
}

.pipeline-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 20%, var(--bg-obsidian) 85%);
  pointer-events: none;
  z-index: 1;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-vellum);
  border: 1px solid var(--border-vellum-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 3.5rem;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

@media (max-width: 900px) {
  .pipeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
  }
}

.pipeline-step {
  background: var(--bg-surface);
  padding: 2.25rem 1.75rem;
  position: relative;
  transition: background 0.2s ease;
}

.pipeline-step:hover {
  background: rgba(22, 23, 29, 0.95);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--sanguine);
  margin-bottom: 1rem;
}

.step-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--vellum-bright);
  margin-bottom: 0.65rem;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--silverpoint);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Section 3: Evidence Deck (Floating Contrast Cards)
   -------------------------------------------------------------------------- */
.evidence-deck {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}

@media (max-width: 860px) {
  .evidence-deck {
    grid-template-columns: 1fr;
  }
}

.deck-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.deck-card.grill-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--sanguine-glow) 0%, transparent 70%);
  pointer-events: none;
}

.deck-card.fasttrack-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--verdigris-glow) 0%, transparent 70%);
  pointer-events: none;
}

.deck-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.deck-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silverpoint);
}

.deck-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--vellum-bright);
  margin-bottom: 0.5rem;
}

.deck-subtitle {
  font-size: 0.875rem;
  color: var(--silverpoint);
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-vellum);
}

.deck-evidence-block {
  margin-bottom: 1.5rem;
}

.deck-evidence-block p {
  font-size: 0.9375rem;
  color: var(--vellum);
  line-height: 1.6;
}

.deck-action-strip {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-vellum);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--silverpoint);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Section 4: Division of Labor (Atmospheric Ambient Backdrop)
   -------------------------------------------------------------------------- */
.division-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-vellum);
  border-bottom: 1px solid var(--border-vellum);
}

.division-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  mix-blend-mode: luminosity;
  pointer-events: none;
  z-index: 0;
}

.division-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, transparent 20%, var(--bg-obsidian) 80%);
  pointer-events: none;
  z-index: 1;
}

.division-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border-vellum);
  border: 1px solid var(--border-vellum-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: 3.5rem;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@media (max-width: 800px) {
  .division-grid {
    grid-template-columns: 1fr;
  }
}

.division-col {
  background: rgba(14, 15, 20, 0.88);
  padding: 3rem 2.5rem;
}

.division-col-header {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-vellum);
}

.division-col.kriu .division-col-header {
  color: var(--verdigris);
}

.division-col.team .division-col-header {
  color: var(--sanguine);
}

.division-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.division-list li {
  font-size: 1.05rem;
  color: var(--vellum);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.division-list li .bullet {
  width: 6px;
  height: 6px;
  border-radius: 1px;
}

.division-col.kriu .bullet {
  background: var(--verdigris);
}

.division-col.team .bullet {
  background: var(--sanguine);
}

/* --------------------------------------------------------------------------
   Section 5: Transparent Pricing Table
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (max-width: 960px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pricing-card:hover {
  border-color: var(--border-vellum-strong);
  transform: translateY(-2px);
}

.pricing-card.popular {
  border-color: var(--sanguine);
  background: var(--bg-surface);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4), 0 0 40px var(--sanguine-glow);
}

.popular-tag {
  position: absolute;
  top: -12px;
  right: 2rem;
  background: var(--sanguine);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.tier-name {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silverpoint);
  margin-bottom: 0.75rem;
}

.tier-price {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--vellum-bright);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.tier-price span {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--silverpoint);
}

.tier-eval-count {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--sanguine);
  margin-bottom: 1.5rem;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-vellum);
}

.tier-features li {
  font-size: 0.875rem;
  color: var(--silverpoint);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tier-features li::before {
  content: "✓";
  color: var(--verdigris);
  font-weight: 700;
}

.topup-strip {
  background: rgba(217, 83, 56, 0.04);
  border: 1px dashed rgba(217, 83, 56, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: var(--vellum);
}

.topup-strip strong {
  color: var(--sanguine);
}

/* --------------------------------------------------------------------------
   Section 6: Trust Center & Compliance (Boardroom Light Shafts)
   -------------------------------------------------------------------------- */
.trust-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-vellum);
  border-bottom: 1px solid var(--border-vellum);
  background: var(--bg-obsidian);
}

.trust-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  mix-blend-mode: luminosity;
  pointer-events: none;
  z-index: 0;
}

.trust-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, transparent 10%, var(--bg-obsidian) 75%);
  pointer-events: none;
  z-index: 1;
}

.trust-content {
  position: relative;
  z-index: 2;
}

.badges-bar {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(18, 19, 25, 0.85);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sanguine);
  border: 1px solid rgba(217, 83, 56, 0.4);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.badge-text strong {
  display: block;
  font-size: 0.875rem;
  color: var(--vellum-bright);
}

.badge-text span {
  font-size: 0.6875rem;
  color: var(--silverpoint);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trust-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .trust-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .trust-pillars-grid {
    grid-template-columns: 1fr;
  }
}

.pillar-card {
  background: rgba(18, 19, 25, 0.82);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.4rem;
  backdrop-filter: blur(14px);
}

.pillar-card h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--vellum-bright);
  margin-bottom: 0.65rem;
}

.pillar-card p {
  font-size: 0.8125rem;
  color: var(--silverpoint);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Section 7: FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 800px;
  margin: 3.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-vellum);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item:hover {
  border-color: var(--border-vellum-strong);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.4rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--vellum-bright);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--silverpoint);
  transition: transform 0.2s ease;
}

.faq-answer {
  display: none;
  padding: 0 1.75rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--silverpoint);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--sanguine);
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-vellum);
  background: var(--bg-obsidian);
  padding: 5rem 0 3rem;
  font-size: 0.875rem;
  color: var(--silverpoint);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (max-width: 800px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--silverpoint);
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vellum-bright);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  color: var(--silverpoint);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-col ul a:hover {
  color: var(--vellum-bright);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-vellum);
  font-size: 0.8125rem;
  color: var(--silverpoint-dark);
}

.footer-bottom a {
  color: var(--silverpoint-dark);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--silverpoint);
}

/* --------------------------------------------------------------------------
   Blog & Editorial Articles
   -------------------------------------------------------------------------- */
.blog-card {
  background: linear-gradient(
    180deg,
    rgba(22, 23, 31, 0.92) 0%,
    rgba(16, 17, 23, 0.96) 100%
  ) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.45),
    0 1px 3px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(244, 240, 232, 0.07);
  backdrop-filter: blur(8px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong) !important;
  box-shadow: 
    0 12px 32px rgba(0, 0, 0, 0.55),
    0 0 20px rgba(217, 83, 56, 0.08),
    inset 0 1px 0 rgba(244, 240, 232, 0.12) !important;
}

.article-body {
  color: var(--ink-2);
  line-height: 1.8;
  font-size: 1.0625rem;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--vellum-bright);
  font-family: var(--font-serif);
  margin-top: 2rem;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.article-body h2 {
  font-size: 1.65rem;
}

.article-body h3 {
  font-size: 1.3rem;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-body li {
  color: var(--ink-2);
}

.article-body a {
  color: var(--sanguine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--sanguine-hover);
}

.article-body blockquote {
  border-left: 3px solid var(--sanguine);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(217, 83, 56, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--vellum);
}

.article-body pre,
.article-body code {
  font-family: var(--font-mono);
  background: var(--paper-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.article-body code {
  padding: 0.2rem 0.4rem;
  font-size: 0.875em;
  color: var(--vellum);
}

.article-body pre {
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
}