/* ClearBearing Advisory — Design System
   Aesthetic: Editorial / Refined Consulting
   Dark navy authority + warm gold conviction + generous whitespace */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600&display=swap');

:root {
  /* Color System */
  --cb-navy: #0B1D2E;
  --cb-navy-light: #132D44;
  --cb-navy-muted: #1A3A54;
  --cb-gold: #C8965A;
  --cb-gold-light: #D4A96E;
  --cb-gold-dim: rgba(200, 150, 90, 0.15);
  --cb-sand: #F5F0E8;
  --cb-sand-dark: #E8E0D4;
  --cb-white: #FAFAF7;
  --cb-text: #1A1A18;
  --cb-text-muted: #5A5A52;
  --cb-text-light: #8A8A82;
  --cb-border: #D8D4CC;
  --cb-red: #B8453A;
  --cb-yellow: #C8965A;
  --cb-green: #4A8B5C;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width: 1140px;
  --max-width-narrow: 780px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--cb-text);
  background: var(--cb-white);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  color: var(--cb-navy);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p {
  font-size: 1.05rem;
  max-width: 65ch;
}

a {
  color: var(--cb-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--cb-gold-light); }

/* Layout Primitives */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--hero {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.section--dark {
  background: var(--cb-navy);
  color: var(--cb-sand);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--cb-white);
}

.section--sand {
  background: var(--cb-sand);
}

/* CTA Button */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.8rem;
  border: 1.5px solid var(--cb-gold);
  color: var(--cb-gold);
  background: transparent;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.cta:hover {
  background: var(--cb-gold);
  color: var(--cb-navy);
}

.cta--solid {
  background: var(--cb-gold);
  color: var(--cb-navy);
}

.cta--solid:hover {
  background: var(--cb-gold-light);
  color: var(--cb-navy);
}

/* Eyebrow */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cb-gold);
  margin-bottom: var(--space-sm);
}

/* Divider */
.gold-rule {
  width: 3rem;
  height: 2px;
  background: var(--cb-gold);
  border: none;
  margin: var(--space-md) 0;
}

/* Service Cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.service-card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--cb-border);
  transition: all 0.3s ease;
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--cb-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  border-color: var(--cb-gold);
  transform: translateY(-2px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--cb-gold-dim);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.service-card h3 {
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--cb-text-muted);
  margin-bottom: var(--space-md);
}

.service-card a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Credibility Strip */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  text-align: center;
  padding: var(--space-lg) 0;
}

.cred-item__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--cb-gold);
  line-height: 1;
}

.cred-item__label {
  font-size: 0.85rem;
  color: var(--cb-text-muted);
  margin-top: var(--space-xs);
  letter-spacing: 0.02em;
}

/* Traffic Light */
.traffic-light {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.traffic-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.traffic-dot--red { background: var(--cb-red); }
.traffic-dot--yellow { background: var(--cb-yellow); }
.traffic-dot--green { background: var(--cb-green); }

/* Service Page Layout */
.service-header {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--cb-border);
}

.service-header h1 {
  margin-bottom: var(--space-sm);
}

.service-header .executive-question {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--cb-text-muted);
  max-width: 60ch;
}

.service-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.service-sidebar {
  position: sticky;
  top: var(--space-lg);
  align-self: start;
}

.service-sidebar__box {
  padding: var(--space-md);
  background: var(--cb-sand);
  border-left: 3px solid var(--cb-gold);
}

.service-sidebar__box dt {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cb-text-light);
  margin-top: var(--space-sm);
}

.service-sidebar__box dt:first-child {
  margin-top: 0;
}

.service-sidebar__box dd {
  font-weight: 500;
  color: var(--cb-navy);
  font-size: 1.05rem;
}

/* Boundaries / Scope list */
.scope-list {
  list-style: none;
  padding: 0;
}

.scope-list li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.scope-list li::before {
  position: absolute;
  left: 0;
  font-weight: 600;
}

.scope-list--included li::before {
  content: '—';
  color: var(--cb-gold);
}

.scope-list--excluded li::before {
  content: '✕';
  color: var(--cb-text-light);
  font-size: 0.8rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 29, 46, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200, 150, 90, 0.15);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cb-white);
  text-decoration: none;
}

.nav__logo span {
  color: var(--cb-gold);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--cb-sand-dark);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--cb-gold);
}

.nav__links .cta {
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
}

/* Mobile Nav */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cb-white);
  margin: 5px 0;
  transition: all 0.3s;
}

@media (max-width: 768px) {
  .nav__toggle { display: block; }

  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--cb-navy);
    flex-direction: column;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(200, 150, 90, 0.15);
  }

  .nav__links.active { display: flex; }

  .service-body {
    grid-template-columns: 1fr;
  }

  .cred-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* Footer */
.footer {
  background: var(--cb-navy);
  color: var(--cb-sand-dark);
  padding: var(--space-lg) 0;
  font-size: 0.85rem;
  border-top: 1px solid rgba(200, 150, 90, 0.1);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer__links a {
  color: var(--cb-sand-dark);
  font-size: 0.8rem;
}

/* Page padding for fixed nav */
.page-content {
  padding-top: 64px;
}

/* Insight cards */
.insight-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.insight-card {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--cb-border);
}

.insight-card__date {
  font-size: 0.8rem;
  color: var(--cb-text-light);
  margin-bottom: var(--space-xs);
}

.insight-card h3 {
  margin-bottom: var(--space-xs);
}

.insight-card h3 a {
  color: var(--cb-navy);
}

.insight-card h3 a:hover {
  color: var(--cb-gold);
}

.insight-card p {
  font-size: 0.95rem;
  color: var(--cb-text-muted);
}

/* About Page */
.about-narrative {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-narrative p + p {
  margin-top: var(--space-md);
}

.about-highlight {
  border-left: 3px solid var(--cb-gold);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--cb-navy-muted);
}