/* ============================================
   DigiAdapt — Premium Consulting Stylesheet
   McKinsey/Deloitte aesthetic
   ============================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Font loaded via preload in HTML for performance */

/* Font display swap — prevents invisible text during font load */
@font-face {
  font-family: 'DM Sans';
  font-display: swap;
}



/* === TOKENS === */
:root {
  --white:     #FFFFFF;
  --off-white: #F7F7F5;
  --charcoal:  #1F2328;
  --mid-grey:  #6B7280;
  --light-grey:#D1D5DB;
  --red:       #CC2B2B;
  --bronze:    #9A7B4F;
  --border:    rgba(31,35,40,0.10);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* === TYPOGRAPHY === */
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.015em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--mid-grey); line-height: 1.75; }
p.dark { color: var(--charcoal); }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
}

.label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze);
}

/* === LAYOUT === */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 40px;
}

section { padding: 96px 0; }
section.compact { padding: 64px 0; }

/* Bronze hairline — the signature element */
.hairline {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--bronze);
  margin-bottom: 32px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}
.btn-primary {
  background: var(--charcoal);
  color: var(--white);
}
.btn-primary:hover { background: #2d343b; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--charcoal);
  border: 1.5px solid var(--charcoal);
}
.btn-ghost:hover { background: var(--charcoal); color: var(--white); }

.btn-red {
  background: var(--red);
  color: var(--white);
}
.btn-red:hover { background: #b32424; transform: translateY(-1px); }

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img { height: 32px; width: auto; }
.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--mid-grey);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--charcoal); }
.nav-cta .btn { padding: 10px 22px; font-size: 0.85rem; }

/* === HERO === */
.hero {
  padding: 160px 0 96px;
  background: var(--white);
}
.hero-inner { max-width: 800px; }
.hero-eyebrow { margin-bottom: 24px; }
.hero h1 { margin-bottom: 24px; color: var(--charcoal); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--mid-grey);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 72px; }
.hero-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: 40px;
}
.logo-strip { }
.logo-strip-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--light-grey);
  margin-bottom: 20px;
}
.logo-strip-names {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.logo-strip-names span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--light-grey);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* === ABOUT INTRO === */
.about-intro { background: var(--off-white); }
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-intro h2 { margin-bottom: 24px; }
.about-intro p { margin-bottom: 16px; }

/* === SERVICES OVERVIEW === */
.services-overview { background: var(--white); }
.section-header { margin-bottom: 56px; }
.section-header p { margin-top: 16px; max-width: 560px; }
.services-list { }
.service-row {
  display: grid;
  grid-template-columns: 48px 1fr 1fr;
  gap: 24px 40px;
  align-items: start;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  transition: background 0.2s;
}
.service-row:last-child { border-bottom: 1px solid var(--border); }
.service-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bronze);
  letter-spacing: 0.05em;
  padding-top: 3px;
}
.service-title { font-size: 1.1rem; font-weight: 600; color: var(--charcoal); }
.service-desc { font-size: 0.92rem; color: var(--mid-grey); line-height: 1.65; }
.services-cta { margin-top: 48px; }

/* === STATS BAND === */
.stats-band { background: var(--charcoal); }
.stats-band h2 { color: var(--white); margin-bottom: 64px; }
.stats-band h2 span { color: var(--bronze); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 40px;
}
.stat-item { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 24px; }
.stat-num {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-num span { color: var(--red); }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.5; }
.stat-source { font-size: 0.75rem; color: var(--bronze); margin-top: 6px; font-weight: 500; }

/* === WHO WE WORK WITH === */
.clients { background: var(--off-white); }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 48px;
  background: var(--border);
}
.client-card {
  background: var(--off-white);
  padding: 40px;
}
.client-card h3 { margin-bottom: 12px; font-size: 1rem; }
.client-card p { font-size: 0.9rem; }

/* === FINAL CTA === */
.final-cta { background: var(--white); border-top: 1px solid var(--border); }
.final-cta-inner { max-width: 640px; }
.final-cta h2 { margin-bottom: 20px; }
.final-cta p { margin-bottom: 36px; }

/* === FOOTER === */
.footer {
  background: var(--charcoal);
  padding: 48px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo { font-size: 1rem; font-weight: 700; color: var(--white); letter-spacing: -0.01em; }
.footer-links { display: flex; gap: 32px; }
.footer-links a { font-size: 0.82rem; color: rgba(255,255,255,0.45); transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.3); }

/* === PAGE HERO (inner pages) === */
.page-hero {
  padding: 140px 0 72px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { max-width: 720px; }

/* === SERVICES PAGE === */
.service-detail {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}
.service-detail-meta h2 { font-size: 1.6rem; margin-bottom: 16px; }
.service-detail-meta .label { margin-bottom: 12px; }
.service-detail-body p { margin-bottom: 20px; }
.service-detail-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 32px;
}
.service-detail-col h4 { margin-bottom: 16px; font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--bronze); }
.service-detail-col ul { list-style: none; }
.service-detail-col ul li {
  font-size: 0.9rem;
  color: var(--mid-grey);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}
.right-for-you {
  background: var(--off-white);
  padding: 20px 24px;
  border-left: 3px solid var(--bronze);
  margin-top: 32px;
  font-size: 0.92rem;
  color: var(--charcoal);
  line-height: 1.65;
}
.right-for-you strong { display: block; margin-bottom: 6px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--bronze); }

/* === WORK PAGE === */
.achievement {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}
.achievement-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
}
.achievement-meta { }
.achievement-meta .label { margin-bottom: 8px; display: block; }
.achievement-meta h2 { font-size: 1.4rem; margin-bottom: 20px; line-height: 1.3; }
.achievement-metrics { margin-top: 24px; }
.metric-tag {
  display: inline-block;
  background: var(--charcoal);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 2px;
  margin: 4px 4px 4px 0;
  letter-spacing: 0.03em;
}
.achievement-body p { margin-bottom: 16px; }

/* === ABOUT PAGE === */
.bio-section { background: var(--white); }
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.bio-col p { margin-bottom: 20px; }
.timeline { margin-top: 16px; }
.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.timeline-year { color: var(--bronze); font-weight: 600; font-size: 0.8rem; }
.timeline-role { color: var(--charcoal); }
.expertise-tags { margin-top: 16px; }
.tag {
  display: inline-block;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 2px;
  margin: 4px;
  color: var(--mid-grey);
}

/* === CONTACT PAGE === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}
.contact-details { }
.contact-item { margin-bottom: 32px; }
.contact-item .label { margin-bottom: 6px; display: block; }
.contact-item a, .contact-item p { font-size: 1rem; color: var(--charcoal); font-weight: 500; }
.contact-item a:hover { color: var(--red); }
.contact-form { }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--charcoal); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--charcoal);
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 3px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--charcoal); background: var(--white); }
.form-group textarea { min-height: 140px; resize: vertical; }


/* === FOUNDER GRID (about page photo + bio) === */
.founder-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 72px;
}


/* === INSIGHTS LISTING === */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}
.insight-card {
  border: 1px solid var(--border);
  padding: 40px;
  border-radius: 3px;
  transition: border-color 0.2s;
}
.insight-card:hover { border-color: var(--bronze); }
.insight-card .label { margin-bottom: 12px; display: block; }
.insight-card h3 { margin-bottom: 16px; font-size: 1.3rem; }
.insight-card h3 a { color: var(--charcoal); }
.insight-card h3 a:hover { color: var(--red); }
.insight-card p { margin-bottom: 20px; }
.insight-card .insight-meta { font-size: 0.82rem; color: var(--mid-grey); }
.insight-more { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--border); color: var(--mid-grey); font-size: 0.9rem; }

/* === INSIGHT ARTICLE === */
.article-back { display: inline-block; margin-bottom: 24px; font-size: 0.9rem; color: var(--mid-grey); }
.article-back:hover { color: var(--red); }
.article-meta { display: flex; gap: 16px; align-items: center; margin-top: 20px; flex-wrap: wrap; }
.article-body { max-width: 720px; }
.article-body p { color: var(--charcoal); margin-bottom: 22px; font-size: 1.05rem; }
.article-lede { color: var(--charcoal); font-size: 1.2rem; font-weight: 500; margin-bottom: 30px; }
.article-body a { color: var(--red); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--charcoal); }

/* === MOBILE HAMBURGER NAV === */
.nav-hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  transition: all 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
body.nav-open { overflow: hidden; }
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--navy, #1F2328);
  padding: 16px 24px 24px;
  z-index: 99;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a.active { color: var(--red, #CC2B2B); }
.mobile-nav a.nav-cta-mobile {
  color: var(--red, #CC2B2B);
  font-weight: 600;
  border-bottom: none;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
}

/* === MOBILE === */
@media (max-width: 768px) {
  .container { padding: 0 24px; }
  section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .about-intro-grid, .bio-grid, .founder-grid, .contact-grid,
  .achievement-grid, .service-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid, .clients-grid { grid-template-columns: 1fr 1fr; }
  .service-row { grid-template-columns: 36px 1fr; }
  .service-desc { grid-column: 2; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .service-detail-cols { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
}