/* =============================================
   CIO Advisory Partners — Main Stylesheet
   ============================================= */

:root {
  --navy: #0d1f3c;
  --navy-mid: #1a3560;
  --navy-light: #2a4a7f;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gray-100: #f4f5f7;
  --gray-200: #e8eaee;
  --gray-400: #9aa0ad;
  --gray-600: #5a6270;
  --gray-800: #2c3240;
  --white: #ffffff;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-width: 1180px;
  --section-pad: 96px;
  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.22s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

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

/* ── TYPOGRAPHY ── */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { color: var(--gray-600); }
em { font-style: italic; color: var(--gold); }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover { background: var(--navy-mid); border-color: var(--navy-mid); }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-200);
}
.btn-ghost:hover { border-color: var(--navy); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
  font-size: 0.85rem;
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.btn-white:hover { background: var(--gray-100); }

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }

/* ── SECTION LABELS ── */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.section-title { margin-bottom: 1rem; }
.section-header { text-align: center; margin-bottom: 3.5rem; max-width: 640px; margin-left: auto; margin-right: auto; }

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

/* ══════════════════════════════════════
   HEADER / NAV
══════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(8px);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img-header {
  height: 48px;
  width: auto;
  display: block;
}
.logo-img-footer {
  height: 72px;
  width: auto;
  display: block;
  margin-bottom: 0.75rem;
}
.main-nav {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.main-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}
.main-nav a:hover { color: var(--navy); }
.nav-cta { margin-left: 1rem; }
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--navy);
  margin-left: auto;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--gray-200);
  padding: 1rem 2rem 1.5rem;
}
.mobile-nav a {
  padding: 0.6rem 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}
.mobile-nav .btn { margin-top: 1rem; text-align: center; }
.mobile-nav.open { display: flex; }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  padding: 100px 0 80px;
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}
.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
  max-width: 680px;
}
.hero-subtitle {
  color: rgba(255,255,255,0.72);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.hero-trust {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.hero-trust strong { color: rgba(255,255,255,0.8); }

.hero-graphic {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.grid-lines {
  position: absolute;
  right: -60px;
  top: -60px;
  width: 680px;
  height: 680px;
  background-image:
    linear-gradient(rgba(201,168,76,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  border-radius: 50%;
  transform: rotate(12deg);
}

/* ══════════════════════════════════════
   STATS BAND
══════════════════════════════════════ */
.stats-band {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  padding: 2.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
}

/* ══════════════════════════════════════
   VALUE SECTION
══════════════════════════════════════ */
.value-section { background: var(--white); }
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}
.value-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  transition: background var(--transition);
}
.value-card:hover { background: var(--gray-100); }
.value-icon {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-200);
  margin-bottom: 1.25rem;
  line-height: 1;
}
.value-card h3 { margin-bottom: 0.75rem; font-size: 1.1rem; }

/* ══════════════════════════════════════
   SERVICES PREVIEW
══════════════════════════════════════ */
.services-preview { background: var(--gray-100); }
.split-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 2rem;
}
.split-header .section-eyebrow { margin-bottom: 0.5rem; }
.split-header .section-title { margin-bottom: 0; }

.services-list { display: flex; flex-direction: column; }
.service-row {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--gray-200);
  transition: background var(--transition);
}
.service-row:last-child { border-bottom: 1px solid var(--gray-200); }
.service-row-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gray-200);
  font-weight: 700;
  min-width: 2.5rem;
  line-height: 1;
  padding-top: 0.2rem;
}
.service-row-content { flex: 1; }
.service-row-content h3 { margin-bottom: 0.5rem; }
.service-row-content p { font-size: 0.92rem; }
.service-row-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 0.3rem;
  transition: color var(--transition);
}
.service-row-link:hover { color: var(--navy); }

/* ══════════════════════════════════════
   CASE STUDY TEASERS
══════════════════════════════════════ */
.case-teaser-section { background: var(--white); }
.case-teaser-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5px;
  background: var(--gray-200);
  margin-top: 3rem;
}
.case-teaser-card {
  background: var(--white);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}
.case-teaser-card:hover { background: var(--gray-100); }
.case-teaser-card.featured {
  grid-row: span 2;
  background: var(--navy);
}
.case-teaser-card.featured h3 { color: var(--white); font-size: 1.6rem; margin-bottom: 1rem; }
.case-teaser-card.featured p { color: rgba(255,255,255,0.65); }
.case-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.case-teaser-card h3 { margin-bottom: 0.75rem; font-size: 1.1rem; }
.case-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  transition: color var(--transition);
}
.case-link:hover { color: var(--white); }

/* ══════════════════════════════════════
   CTA BAND
══════════════════════════════════════ */
.cta-band {
  background: var(--navy-mid);
  padding: 72px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.cta-text h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-text p { color: rgba(255,255,255,0.65); max-width: 520px; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer { background: var(--navy); padding: 64px 0 0; }
.footer-inner {
  display: flex;
  gap: 4rem;
  padding-bottom: 3rem;
}
.footer-brand { flex: 1; }
.footer-brand .logo { color: var(--white); margin-bottom: 1rem; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.45); }
.footer-links { display: flex; gap: 4rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.footer-col a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

/* ══════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════ */
.page-hero {
  background: var(--navy);
  padding: 72px 0 64px;
}
.page-hero .section-eyebrow { margin-bottom: 0.75rem; }
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 4vw, 3rem); }
.page-hero .subtitle {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-top: 1rem;
  max-width: 560px;
}

/* ══════════════════════════════════════
   SERVICES PAGE
══════════════════════════════════════ */
.services-page { padding: var(--section-pad) 0; }
.service-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding: 3.5rem 0;
  border-top: 1px solid var(--gray-200);
  align-items: start;
}
.service-block:last-child { border-bottom: 1px solid var(--gray-200); }
.service-block-meta { position: sticky; top: 88px; }
.service-block-num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--gray-200);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.service-block h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.service-block .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,168,76,0.1);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  margin-top: 0.75rem;
}
.service-block-body h3 { font-size: 1rem; margin: 1.5rem 0 0.5rem; color: var(--navy); }
.service-block-body p { font-size: 0.95rem; }
.service-block-body ul {
  list-style: none;
  margin: 0.75rem 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.service-block-body ul li {
  font-size: 0.92rem;
  color: var(--gray-600);
  padding-left: 1.2rem;
  position: relative;
}
.service-block-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ══════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════ */
.about-section { padding: var(--section-pad) 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.bio-block { display: flex; flex-direction: column; gap: 1.25rem; }
.bio-block p { font-size: 0.95rem; }
.credentials {
  margin-top: 2rem;
  padding: 2rem;
  background: var(--gray-100);
  border-left: 3px solid var(--gold);
}
.credentials h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.credentials ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.credentials ul li { font-size: 0.88rem; color: var(--gray-600); padding-left: 1rem; position: relative; }
.credentials ul li::before { content: '■'; position: absolute; left: 0; font-size: 0.5rem; color: var(--gold); top: 0.35rem; }
.about-aside { display: flex; flex-direction: column; gap: 1.5rem; }
.aside-card {
  background: var(--gray-100);
  padding: 2rem;
  border-top: 3px solid var(--navy);
}
.aside-card h3 { margin-bottom: 0.5rem; font-size: 1.05rem; }
.aside-card p { font-size: 0.9rem; }
.approach-section {
  background: var(--navy);
  padding: var(--section-pad) 0;
}
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.1);
  margin-top: 3rem;
}
.approach-card {
  background: var(--navy);
  padding: 2.5rem 2rem;
}
.approach-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(255,255,255,0.1);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
}
.approach-card h3 { color: var(--white); margin-bottom: 0.75rem; }
.approach-card p { color: rgba(255,255,255,0.6); font-size: 0.92rem; }

/* ══════════════════════════════════════
   CASE STUDIES PAGE
══════════════════════════════════════ */
.case-studies-section { padding: var(--section-pad) 0; }
.case-study-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  padding: 3.5rem 0;
  border-top: 1px solid var(--gray-200);
  align-items: start;
}
.case-study-block:last-child { border-bottom: 1px solid var(--gray-200); }
.case-sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.case-industry {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.case-sidebar h2 { font-size: 1.5rem; }
.case-result-box {
  background: var(--navy);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.case-result-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.case-result-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.case-result-desc { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.case-body h3 { font-size: 1rem; color: var(--navy); margin: 1.5rem 0 0.5rem; }
.case-body h3:first-child { margin-top: 0; }
.case-body p { font-size: 0.93rem; }
.case-body ul {
  list-style: none;
  margin: 0.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.case-body ul li {
  font-size: 0.9rem;
  color: var(--gray-600);
  padding-left: 1.2rem;
  position: relative;
}
.case-body ul li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }

/* ══════════════════════════════════════
   CONTACT PAGE
══════════════════════════════════════ */
.contact-section { padding: var(--section-pad) 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h3 { margin-bottom: 0.75rem; }
.contact-info > p { margin-bottom: 2rem; font-size: 0.95rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem; }
.contact-item .ci-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.2rem;
}
.contact-item .ci-value { font-size: 0.95rem; color: var(--gray-800); }
.contact-item .ci-note { font-size: 0.82rem; color: var(--gray-400); margin-top: 0.2rem; }

.contact-form-wrap {
  background: var(--gray-100);
  padding: 3rem;
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 2rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--navy); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa0ad' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; }
.form-submit { width: 100%; margin-top: 0.5rem; }
.form-disclaimer { font-size: 0.78rem; color: var(--gray-400); margin-top: 1rem; text-align: center; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 900px) {
  .value-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .case-teaser-grid { grid-template-columns: 1fr; }
  .case-teaser-card.featured { grid-row: span 1; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .service-block { grid-template-columns: 1fr; gap: 2rem; }
  .service-block-meta { position: static; }
  .case-study-block { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .approach-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .footer-inner { flex-direction: column; gap: 2.5rem; }
  .split-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .value-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .main-nav, .nav-cta { display: none; }
  .mobile-menu-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 2rem; }
  .contact-form-wrap { padding: 2rem 1.5rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}