/* ==========================================================================
   Chapter Five Consulting — Design tokens
   Colors verified pixel-for-pixel from Chapter5_BrandManual.pptx
   ========================================================================== */

:root {
  /* Primary */
  --c5-teal:        #16647c;
  --c5-cyan:        #2fa5bf;
  --c5-white:       #ffffff;

  /* Secondary */
  --c5-navy:        #002748;
  --c5-sage:        #9dc9b1;
  --c5-pale-green:  #d9e9c6;

  /* Gray scale */
  --c5-gray-900:    #414042;
  --c5-gray-600:    #808285;
  --c5-gray-400:    #a7a9ac;
  --c5-gray-200:    #d1d3d4;
  --c5-gray-100:    #f2f4f5;
  --c5-gray-50:     #f8faf9;

  /* Supportive palette — one assigned per service, used sparingly */
  --c5-sup-blue:    #1c4695;
  --c5-sup-teal:    #419caa;
  --c5-sup-purple:  #662d91;
  --c5-sup-coral:   #e96f50;
  --c5-sup-green:   #9ec23a;
  --c5-sup-orange:  #f5a361;
  --c5-sup-pink:    #dc1868;
  --c5-sup-lime:    #d8e02f;

  /* Gradient (brand title-slide gradient) */
  --c5-gradient: linear-gradient(115deg, var(--c5-navy) 0%, var(--c5-teal) 55%, var(--c5-cyan) 100%);

  /* Typography */
  --font-display: "Hanken Grotesk", "Segoe UI", Arial, sans-serif;
  --font-accent:  "Roboto Slab", Georgia, serif;
  --font-body:    "Hanken Grotesk", "Segoe UI", Arial, sans-serif;

  /* Layout */
  --container-max: 1180px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-soft: 0 4px 24px rgba(0, 39, 72, 0.08);
  --shadow-med: 0 12px 40px rgba(0, 39, 72, 0.14);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c5-navy);
  background: var(--c5-white);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, p, figure { margin: 0; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c5-navy);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); }
h4 { font-size: 1.1rem; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 var(--space-2); }
}

/* ==========================================================================
   Utility
   ========================================================================== */

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c5-cyan);
  display: inline-block;
  margin-bottom: var(--space-2);
}
.eyebrow.on-dark { color: var(--c5-sage); }

.lede {
  font-size: 1.2rem;
  color: var(--c5-gray-900);
  max-width: 46rem;
}

.text-center { text-align: center; margin-left: auto; margin-right: auto; }

section { padding: var(--space-7) 0; }
@media (max-width: 780px) { section { padding: var(--space-6) 0; } }

.section-head { max-width: 44rem; margin-bottom: var(--space-5); }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }

.bg-tint { background: var(--c5-gray-50); }
.bg-sage-tint { background: var(--c5-pale-green); }
.bg-navy { background: var(--c5-navy); color: var(--c5-white); }
.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--c5-white); }
.bg-gradient { background: var(--c5-gradient); color: var(--c5-white); }
.bg-gradient h1, .bg-gradient h2, .bg-gradient h3 { color: var(--c5-white); }

/* Dot-ring motif — echoes the logo mark, used as a subtle repeating accent */
.dot-ring {
  position: absolute;
  width: 220px;
  height: 220px;
  opacity: 0.16;
  pointer-events: none;
}
.bg-navy .dot-ring, .bg-gradient .dot-ring { opacity: 0.22; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--c5-cyan);
  color: var(--c5-navy);
}
.btn-primary:hover { background: var(--c5-teal); color: var(--c5-white); box-shadow: var(--shadow-soft); }

.btn-outline {
  border-color: currentColor;
  color: var(--c5-navy);
}
.btn-outline:hover { background: var(--c5-navy); color: var(--c5-white); }

.on-dark.btn-outline { color: var(--c5-white); }
.on-dark.btn-outline:hover { background: var(--c5-white); color: var(--c5-navy); }

.btn-arrow::after { content: "\2192"; transition: transform .15s ease; }
.btn-arrow:hover::after { transform: translateX(3px); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c5-white);
  border-bottom: 1px solid var(--c5-gray-200);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 116px;
}
.logo img { height: 80px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-links a {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--c5-navy);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { border-color: var(--c5-cyan); color: var(--c5-teal); }
.nav-links .btn-primary { display: none; }

.has-dropdown { position: relative; }
.has-dropdown > a { display: inline-flex; align-items: center; gap: 0.35rem; }
.has-dropdown > a::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  opacity: 0.6;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 190px;
  background: var(--c5-white);
  border: 1px solid var(--c5-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-med);
  padding: 0.5rem;
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
  z-index: 60;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  border-bottom: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c5-navy);
  white-space: nowrap;
}
.dropdown-menu a:hover { background: var(--c5-gray-50); color: var(--c5-teal); }

.nav-right { display: flex; align-items: center; gap: var(--space-4); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--c5-navy);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 116px 0 0 0;
    background: var(--c5-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-3);
    gap: var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
    border-bottom: 1px solid var(--c5-gray-200);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 1.15rem; }
  .nav-right .btn-primary { display: none; }
  .nav-links .btn-primary { display: inline-flex; margin-top: var(--space-2); }
  .nav-links li { width: 100%; }
  .has-dropdown > a::after { display: none; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0.25rem 0 0 1rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .dropdown-menu a { font-size: 1rem; padding: 0.2rem 0; }
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 { margin-bottom: var(--space-3); }
.hero .lede { margin-bottom: var(--space-4); }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.hero-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  backdrop-filter: blur(4px);
}
.hero-panel ol { counter-reset: step; display: flex; flex-direction: column; gap: 0.9rem; }
.hero-panel li {
  counter-increment: step;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-accent);
  font-size: 0.98rem;
}
.hero-panel li::before {
  content: counter(step);
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--c5-cyan);
  color: var(--c5-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
@media (max-width: 900px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--c5-white);
  border: 1px solid var(--c5-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }

.service-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-weight: 600;
  color: var(--c5-white);
  margin-bottom: var(--space-3);
  font-size: 1.05rem;
}

.card h3 { margin-bottom: 0.7rem; font-size: 1.2rem; }
.card p { color: var(--c5-gray-900); font-size: 0.98rem; }
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-2);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--c5-teal);
}

/* ==========================================================================
   Pillars / icon rows
   ========================================================================== */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 900px) { .pillar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .pillar-grid { grid-template-columns: 1fr; } }

.pillar {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.pillar-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--c5-pale-green);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillar-icon svg { width: 26px; height: 26px; stroke: var(--c5-teal); }
.pillar h4 { font-size: 1.1rem; }
.pillar p { color: var(--c5-gray-900); font-size: 0.96rem; }

/* ==========================================================================
   Quote / stat blocks
   ========================================================================== */

.quote-block {
  font-family: var(--font-accent);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  line-height: 1.45;
  color: var(--c5-navy);
  max-width: 50rem;
}
.quote-block cite {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c5-teal);
  margin-top: var(--space-3);
}

.stat-row { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.stat { min-width: 140px; }
.stat .num {
  font-family: var(--font-accent);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--c5-cyan);
  display: block;
  line-height: 1;
}
.stat .label { color: var(--c5-gray-900); font-size: 0.92rem; margin-top: 0.4rem; display: block; }

/* ==========================================================================
   Case study
   ========================================================================== */

.case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 900px) { .case-study { grid-template-columns: 1fr; } }
.case-study-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: var(--c5-gradient);
  position: relative;
  overflow: hidden;
}
.case-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
@media (max-width: 620px) { .case-cols { grid-template-columns: 1fr; } }
.case-cols h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c5-teal); margin-bottom: 0.5rem; }
.case-cols p { font-size: 0.95rem; color: var(--c5-gray-900); }

/* ==========================================================================
   Team
   ========================================================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
@media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .team-grid { grid-template-columns: 1fr; } }

.team-card { text-align: center; }
.team-card figure {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--c5-gray-100);
  margin: 0 auto var(--space-2);
}
.team-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.team-card h4 { font-size: 1.02rem; }
.team-card .role { color: var(--c5-teal); font-size: 0.9rem; font-weight: 600; }
.tbd-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c5-gray-600);
  background: var(--c5-gray-100);
  border: 1px dashed var(--c5-gray-400);
  border-radius: 3px;
  padding: 0.15rem 0.5rem;
  margin-top: 0.4rem;
}

/* ==========================================================================
   Logo strip (partners / certifications)
   ========================================================================== */

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  justify-content: space-between;
}
.logo-strip img {
  max-height: 42px;
  width: auto;
  transition: transform .2s ease;
}
.logo-strip img:hover { transform: translateY(-2px); }

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band h2 { max-width: 34rem; margin: 0 auto var(--space-3); }
.cta-band p { max-width: 34rem; margin: 0 auto var(--space-4); color: rgba(255,255,255,0.85); }
.cta-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

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

.site-footer {
  background: var(--c5-navy);
  color: rgba(255, 255, 255, 0.82);
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-contact-block { margin-top: var(--space-4); }
.footer-services-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-3);
}
@media (max-width: 400px) {
  .footer-services-cols { grid-template-columns: 1fr; }
}
.footer-grid h5 {
  font-family: var(--font-display);
  color: var(--c5-white);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.footer-grid a { display: block; padding: 0.3rem 0; font-size: 0.95rem; }
.footer-grid a:hover { color: var(--c5-cyan); }
.footer-logo img { height: 34px; margin-bottom: var(--space-3); }
.footer-tagline {
  font-family: var(--font-accent);
  font-size: 1.15rem;
  line-height: 1.5;
  max-width: 30rem;
  color: rgba(255,255,255,0.94);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* ==========================================================================
   Misc page components
   ========================================================================== */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.check-list li {
  position: relative;
  padding-left: 1.9rem;
  margin-bottom: 0.9rem;
  color: var(--c5-gray-900);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c5-pale-green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2316647c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3 8l3.2 3.2L13 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-2);
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--c5-cyan); }

.page-hero {
  padding: var(--space-6) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}
.page-hero .lede { margin-top: var(--space-2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: var(--c5-gray-50);
  border: 1px solid var(--c5-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.contact-card .label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c5-teal); font-weight: 600; margin-bottom: 0.3rem; }
.contact-card .value { font-size: 1.15rem; font-weight: 600; margin-bottom: var(--space-3); }
.contact-card .value a { display: inline-flex; align-items: center; gap: 0.6rem; }
.contact-card .value.value-block { display: flex; align-items: flex-start; gap: 0.6rem; }
.contact-card .value svg { flex: none; color: var(--c5-teal); }
.contact-card .value.value-block svg { margin-top: 0.25rem; }

.footer-contact-block a { display: flex; align-items: center; gap: 0.55rem; }
.footer-contact-block a svg { flex: none; opacity: 0.85; }

form.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--c5-navy); }
.field input, .field select, .field textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--c5-gray-200);
  border-radius: var(--radius);
  background: var(--c5-white);
  color: var(--c5-navy);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c5-cyan);
}
.field textarea { resize: vertical; min-height: 120px; }

.two-col-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 780px) { .two-col-text { grid-template-columns: 1fr; } }