/* ============================================
   CAVALIER CONSULTING — Brand CSS System
   Freight Text Pro + Proxima Nova (Adobe Fonts)
   ============================================ */

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

:root {
  /* Brand Colors */
  --navy: #1C3A5F;
  --navy-deep: #0F2440;
  --verdigris: #4A7C6F;
  --cream: #F5F2EB;
  --cream-light: #FAF8F4;
  --gold: #C4A052;
  --gold-light: #D4B872;
  --burgundy: #6B2D3C;
  --slate: #6B7B8C;
  --slate-light: #8A97A5;
  --white: #FFFFFF;
  --black: #111111;

  /* Typography */
  --font-display: "freight-text-pro", "Garamond Premier Pro", Georgia, "Times New Roman", serif;
  --font-body: "proxima-nova", "Calibri", "Helvetica Neue", Arial, 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: 1280px;
  --max-width-narrow: 880px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--navy);
  background: var(--cream);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--verdigris); text-decoration: none; transition: color 0.3s var(--ease); }
a:hover { color: var(--gold); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: var(--max-width-narrow); margin: 0 auto; padding: 0 2rem; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; color: var(--navy); }
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); letter-spacing: -0.01em; }
h4 { font-size: 1.15rem; }

h1 em, h2 em { font-style: italic; color: var(--verdigris); }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}

.lead { font-size: 1.2rem; line-height: 1.65; color: var(--slate); max-width: 640px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1.05rem 2.4rem;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  text-decoration: none;
  line-height: 1.2;
}

.btn--primary {
  background: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy);
}
.btn--primary:hover {
  background: var(--navy-deep);
  color: #FFFFFF;
  border-color: var(--navy-deep);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn--outline:hover {
  background: var(--navy);
  color: #FFFFFF;
}

.btn--gold {
  background: var(--navy);
  color: var(--gold);
  border-color: var(--navy);
}
.btn--gold:hover {
  background: var(--navy-deep);
  color: #FFFFFF;
  border-color: var(--navy-deep);
}

/* White button for navy backgrounds */
.btn--white {
  background: #FFFFFF;
  color: var(--navy);
  border-color: #FFFFFF;
}
.btn--white:hover {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}

.btn--sm { padding: 0.7rem 1.6rem; font-size: 0.8rem; }

/* --- Navigation --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 242, 235, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(28, 58, 95, 0.08);
  transition: all 0.4s var(--ease);
}
.site-nav.scrolled {
  background: rgba(245, 242, 235, 0.97);
  box-shadow: 0 1px 20px rgba(28, 58, 95, 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}
.nav-logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy);
  font-variant: small-caps;
}
.nav-logo-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 1px;
}

.nav-links { display: flex; align-items: center; gap: 2.2rem; list-style: none; }
.nav-links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.35s var(--ease-out);
}
.nav-links a:hover { color: var(--verdigris); }
.nav-links a:hover::after { width: 100%; }

.nav-cta { margin-left: 0.5rem; }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: -1rem;
  background: var(--cream);
  border: 1px solid rgba(28,58,95,0.08);
  box-shadow: 0 12px 40px rgba(28,58,95,0.1);
  padding: 1rem 0;
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.3s var(--ease);
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 0.5rem 1.5rem;
  font-size: 0.82rem;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--navy);
}
.nav-dropdown-menu a:hover { color: var(--gold); background: rgba(28,58,95,0.03); }
.nav-dropdown-menu a::after { display: none; }

/* Mobile Nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: all 0.3s var(--ease);
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cream);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 1rem 0; font-size: 1rem; border-bottom: 1px solid rgba(28,58,95,0.06); }
  .nav-links a::after { display: none; }
  .nav-dropdown-menu {
    position: static; box-shadow: none; border: none; opacity: 1; visibility: visible;
    transform: none; padding: 0 0 0 1rem; min-width: auto;
  }
  .nav-cta { margin: 1rem 0 0; }
}

/* --- Hero --- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: -10%; width: 55%; height: 100%;
  background: linear-gradient(135deg, rgba(28,58,95,0.03) 0%, rgba(74,124,111,0.04) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 680px; }
.hero h1 { margin-bottom: 1.5rem; }
.hero .lead { margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- Marquee --- */
.marquee-section {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(28,58,95,0.06);
  border-bottom: 1px solid rgba(28,58,95,0.06);
  overflow: hidden;
  background: var(--cream-light);
}
.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
  white-space: nowrap;
  opacity: 0.7;
}
.marquee-track span::before {
  content: '◆';
  margin-right: 3rem;
  color: var(--gold);
  font-size: 0.5rem;
  vertical-align: middle;
}
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* --- Section Layouts --- */
.section { padding: var(--space-xl) 0; }
.section--lg { padding: var(--space-2xl) 0; }
.section--navy { background: var(--navy); color: var(--cream); }
.section--navy h2, .section--navy h3, .section--navy h4 { color: var(--cream); }
.section--navy .eyebrow { color: var(--gold); }
.section--navy .lead { color: var(--slate-light); }
.section--navy a { color: var(--gold); }
.section--cream-light { background: var(--cream-light); }

.section-header { margin-bottom: var(--space-lg); max-width: 700px; }
.section-header.centered { text-align: center; margin-left: auto; margin-right: auto; }

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: var(--space-lg) 0;
}
.stat { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--navy);
  line-height: 1;
}
.section--navy .stat-number { color: var(--gold); }
.stat-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 0.4rem;
}
.section--navy .stat-label { color: var(--slate-light); }
.stat-sub {
  font-size: 0.82rem;
  color: var(--slate);
  margin-top: 0.15rem;
}

@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

/* --- Cards / Service Grid --- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 2rem; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }

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

.card {
  background: var(--white);
  padding: 2.5rem;
  border: 1px solid rgba(28,58,95,0.06);
  transition: all 0.4s var(--ease);
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.card:hover { box-shadow: 0 8px 40px rgba(28,58,95,0.08); transform: translateY(-2px); }
.card:hover::before { transform: scaleX(1); }

.card .eyebrow { margin-bottom: 0.5rem; }
.card h3 { margin-bottom: 0.75rem; }
.card p { color: var(--slate); font-size: 0.95rem; line-height: 1.65; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.2rem;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--verdigris);
}
.card-link:hover { color: var(--gold); gap: 0.6rem; }
.card-link svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.card-link:hover svg { transform: translateX(3px); }

/* --- Who We Serve (Audience Cards) --- */
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
@media (max-width: 960px) { .audience-grid { grid-template-columns: 1fr; } }

.audience-card {
  padding: 3rem 2.5rem;
  border-right: 1px solid rgba(28,58,95,0.06);
  position: relative;
}
.audience-card:last-child { border-right: none; }
.audience-card .card-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3rem;
  color: rgba(196,160,82,0.15);
  line-height: 1;
  margin-bottom: 1rem;
}
.audience-card h3 { margin-bottom: 0.75rem; }
.audience-card p { color: var(--slate); font-size: 0.95rem; }
.audience-card:hover { background: var(--white); }

/* --- Case Study Feature --- */
.case-study-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid rgba(28,58,95,0.06);
  overflow: hidden;
}
@media (max-width: 768px) { .case-study-feature { grid-template-columns: 1fr; } }

.case-study-content { padding: 3rem; }
.case-study-content .eyebrow { margin-bottom: 0.5rem; }
.case-study-content h3 { margin-bottom: 1rem; }
.case-study-content p { color: var(--slate); margin-bottom: 2rem; }

.case-study-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.case-study-stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--verdigris);
  line-height: 1;
}
.case-study-stat-label {
  font-size: 0.78rem;
  color: var(--slate);
  margin-top: 0.3rem;
}

.case-study-visual {
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  min-height: 300px;
  position: relative;
  overflow: hidden;
}
.case-study-visual::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border: 1px solid rgba(196,160,82,0.12);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.case-study-visual::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1px solid rgba(196,160,82,0.08);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.case-study-visual .stat-number {
  color: var(--gold);
  font-size: 3.5rem;
  position: relative;
  z-index: 1;
}
.case-study-visual .stat-label {
  color: var(--cream);
  position: relative;
  z-index: 1;
  text-align: center;
}

/* --- Differentiator / Why Section --- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: start; }
@media (max-width: 768px) { .why-grid { grid-template-columns: 1fr; } }

.why-content h2 { margin-bottom: 1.5rem; }
.why-content p { color: var(--slate); margin-bottom: 1rem; }

.why-points { display: flex; flex-direction: column; gap: 1.5rem; }
.why-point {
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--gold);
  background: var(--white);
}
.why-point h4 { margin-bottom: 0.3rem; }
.why-point p { color: var(--slate); font-size: 0.92rem; margin: 0; }

/* --- CTA Section --- */
.cta-section {
  background: var(--navy);
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(74,124,111,0.08) 0%, transparent 60%);
}
.cta-section h2 { color: var(--cream); margin-bottom: 1rem; position: relative; }
.cta-section p { color: var(--slate-light); margin-bottom: 2rem; max-width: 560px; margin-left: auto; margin-right: auto; position: relative; }
.cta-section .btn { position: relative; }

/* --- Footer --- */
.site-footer {
  background: var(--navy-deep);
  color: var(--cream);
  padding: var(--space-lg) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: var(--space-lg);
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .nav-logo-name { color: var(--cream); font-size: 1.1rem; }
.footer-brand .nav-logo-sub { color: var(--slate); }
.footer-brand p { color: var(--slate-light); font-size: 0.88rem; margin-top: 1rem; max-width: 320px; }
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--gold);
  margin-top: 0.5rem;
  display: block;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a {
  color: var(--slate-light);
  font-size: 0.88rem;
  transition: color 0.3s var(--ease);
}
.footer-col a:hover { color: var(--cream); }

.footer-bottom {
  border-top: 1px solid rgba(245,242,235,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.78rem; color: var(--slate); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: 0.78rem; color: var(--slate); }

/* --- Page Header (interior pages) --- */
.page-header {
  padding: calc(72px + var(--space-xl)) 0 var(--space-lg);
  background: var(--cream-light);
  border-bottom: 1px solid rgba(28,58,95,0.06);
}
.page-header .breadcrumb {
  font-size: 0.78rem;
  color: var(--slate);
  margin-bottom: 1.5rem;
}
.page-header .breadcrumb a { color: var(--slate); }
.page-header .breadcrumb a:hover { color: var(--gold); }
.page-header h1 { margin-bottom: 1rem; }
.page-header .lead { max-width: 640px; }

/* --- Service Detail --- */
.service-block {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(28,58,95,0.06);
}
.service-block:last-child { border-bottom: none; }

.service-header { display: flex; gap: 2rem; align-items: flex-start; margin-bottom: 2rem; }
.service-icon {
  width: 56px; height: 56px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.service-icon svg { width: 28px; height: 28px; stroke: var(--gold); fill: none; }

.service-includes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 2rem;
  margin: 1.5rem 0;
}
@media (max-width: 600px) { .service-includes { grid-template-columns: 1fr; } }
.service-includes li {
  list-style: none;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--slate);
}
.service-includes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px; height: 6px;
  background: var(--gold);
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid rgba(28,58,95,0.08);
  padding: 1.5rem 0;
}
.faq-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after {
  content: '+';
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.5rem;
  color: var(--gold);
  transition: transform 0.3s var(--ease);
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  color: var(--slate);
  font-size: 0.95rem;
}
.faq-item.open .faq-answer { max-height: 500px; padding-top: 1rem; }

/* --- Industry Page Specific --- */
.industry-hero {
  padding: calc(72px + var(--space-xl)) 0 var(--space-lg);
  position: relative;
}
.industry-hero--navy { background: var(--navy); }
.industry-hero--navy h1 { color: var(--cream); }
.industry-hero--navy .lead { color: var(--slate-light); }

.pain-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 2rem; }
@media (max-width: 600px) { .pain-points { grid-template-columns: 1fr; } }
.pain-point {
  padding: 1.5rem;
  background: rgba(28,58,95,0.04);
  border-left: 3px solid var(--burgundy);
}
.pain-point p { font-size: 0.92rem; color: var(--slate); margin: 0; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info h3 { margin-bottom: 1rem; }
.contact-detail { margin-bottom: 2rem; }
.contact-detail h4 { color: var(--gold); margin-bottom: 0.3rem; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--font-body); font-weight: 600; }
.contact-detail p { color: var(--slate); font-size: 0.95rem; }
.contact-detail a { color: var(--verdigris); }

.calendly-embed {
  min-height: 650px;
  background: var(--white);
  border: 1px solid rgba(28,58,95,0.06);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* --- Divider --- */
.divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 2rem 0;
}
.divider--center { margin-left: auto; margin-right: auto; }

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* --- Schema / SEO hidden --- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Case Study Detail Pages --- */
.cs-hero {
  padding: calc(72px + var(--space-xl)) 0 var(--space-lg);
  background: var(--navy);
}
.cs-hero h1 { color: var(--cream); max-width: 700px; }
.cs-hero .lead { color: var(--slate-light); }
.cs-hero .breadcrumb a { color: var(--slate-light); }
.cs-hero .breadcrumb { color: var(--slate); }

.cs-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(196,160,82,0.2);
}
@media (max-width: 600px) { .cs-stats-row { grid-template-columns: 1fr; gap: 1rem; } }
.cs-stat-big {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--gold);
  line-height: 1;
}
.cs-stat-desc {
  font-size: 0.82rem;
  color: var(--slate-light);
  margin-top: 0.25rem;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  background: var(--cream-light);
  border: 1px solid rgba(28,58,95,0.06);
  margin-bottom: var(--space-lg);
}
.cs-meta-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.cs-meta-item p { color: var(--slate); font-size: 0.9rem; margin: 0; }

.cs-section { margin-bottom: var(--space-lg); }
.cs-section h2 { margin-bottom: 1rem; }
.cs-section p { color: var(--slate); margin-bottom: 1rem; }

.cs-findings {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 600px) { .cs-findings { grid-template-columns: 1fr; } }
.cs-finding {
  padding: 1.5rem;
  background: var(--cream-light);
  border-left: 3px solid var(--burgundy);
}
.cs-finding h4 { margin-bottom: 0.3rem; color: var(--navy); }
.cs-finding p { color: var(--slate); font-size: 0.92rem; margin: 0; }

.cs-outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
@media (max-width: 600px) { .cs-outcomes { grid-template-columns: 1fr; } }
.cs-outcome {
  padding: 2rem;
  background: var(--white);
  border: 1px solid rgba(28,58,95,0.06);
}
.cs-outcome .cs-stat-big { color: var(--verdigris); margin-bottom: 0.3rem; }
.cs-outcome h4 { margin-bottom: 0.5rem; }
.cs-outcome p { color: var(--slate); font-size: 0.92rem; margin: 0; }

.cs-callout {
  padding: 2rem;
  background: var(--navy);
  color: var(--cream);
  margin: 2rem 0;
}
.cs-callout h4 { color: var(--gold); margin-bottom: 0.5rem; }
.cs-callout p { color: var(--slate-light); margin: 0; font-size: 0.95rem; }