/* ==========================================================================
   Klear — Pascal Delvenne · Turnaround & Transformation Advisory
   Avenir-stack typography, Klear blue palette
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Klear brand palette */
  --klear-blue:       #66CCFF;
  --klear-blue-deep:  #1E96D0;
  --klear-blue-soft:  #E6F5FF;
  --klear-blue-line:  #B8E2F5;

  --paper:        #FFFFFF;
  --paper-soft:   #F5FAFD;
  --ink:          #0F1E2D;
  --ink-soft:     #2C3E50;
  --muted:        #6B7C8E;
  --rule:         #DCE7EF;

  /* Typography — Avenir-first stack with web fallback */
  --sans:  'Avenir Next', 'Avenir', 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Type scale */
  --fs-xs:   0.78rem;
  --fs-sm:   0.875rem;
  --fs-base: 1.0625rem;
  --fs-md:   1.25rem;
  --fs-lg:   1.625rem;
  --fs-xl:   2.25rem;
  --fs-2xl:  3.5rem;
  --fs-3xl:  5rem;

  /* Spacing */
  --gutter:  clamp(1.5rem, 4vw, 4rem);
  --section: clamp(4rem, 9vw, 8rem);

  /* Layout */
  --max:     1240px;
  --measure: 64ch;
}

/* Reset + base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: border-color 180ms ease, color 180ms ease;
}
a:hover { border-color: var(--klear-blue-deep); color: var(--klear-blue-deep); }
a.bare { border: 0; }
a.bare:hover { color: var(--klear-blue-deep); }

.shell { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; }
.section--soft { background: var(--paper-soft); }

.kicker {
  font-family: var(--sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--klear-blue-deep);
  margin-bottom: 1.25rem;
}

h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 {
  font-size: clamp(2.4rem, 6vw, var(--fs-3xl));
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  font-weight: 500;
}
h1 em { font-style: italic; color: var(--klear-blue-deep); font-weight: 500; }

h2 {
  font-size: clamp(1.8rem, 4vw, var(--fs-2xl));
  line-height: 1.1;
  margin-bottom: 1.25rem;
  font-weight: 500;
}
h2 em { font-style: italic; color: var(--klear-blue-deep); font-weight: 500; }

h3 {
  font-size: clamp(1.3rem, 2.4vw, var(--fs-lg));
  line-height: 1.25;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

h4 {
  font-size: var(--fs-md);
  line-height: 1.3;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

p { margin-bottom: 1rem; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

.lede {
  font-family: var(--sans);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.45;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 38ch;
  margin-bottom: 2rem;
}
.lede em { font-style: italic; color: var(--klear-blue-deep); font-weight: 400; }

/* ============= Header ============= */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  z-index: 50;
}
.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand { border: 0; display: inline-flex; align-items: center; }
.brand img { height: 56px; width: auto; }

nav.primary { display: flex; gap: 2rem; align-items: center; }
nav.primary a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink-soft);
  border: 0;
  letter-spacing: 0.02em;
}
nav.primary a:hover { color: var(--klear-blue-deep); }
nav.primary a.active { color: var(--klear-blue-deep); }
nav.primary a.cta {
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: var(--fs-sm);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 500;
}
nav.primary a.cta:hover { background: var(--klear-blue-deep); border-color: var(--klear-blue-deep); color: var(--paper); }

@media (max-width: 720px) {
  nav.primary { gap: 1.1rem; }
  nav.primary a:not(.cta) { display: none; }
  .brand img { height: 44px; }
}

/* ============= Hero ============= */
.hero { padding: clamp(4rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 6rem); }
.hero h1 { max-width: 18ch; }
.hero .lede { margin-top: 1.5rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.7rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  background: var(--ink);
  color: var(--paper);
  transition: all 180ms ease;
}
.btn:hover { background: var(--klear-blue-deep); border-color: var(--klear-blue-deep); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ============= Stats ============= */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
}
.stat .num {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--klear-blue-deep);
  display: block;
  line-height: 1;
}
.stat .label { font-size: var(--fs-sm); color: var(--muted); margin-top: 0.6rem; display: block; max-width: 24ch; line-height: 1.4; }

/* ============= Section title ============= */
.section-title {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  align-items: end;
}
.section-title .right { max-width: 45ch; }
@media (max-width: 720px) { .section-title { grid-template-columns: 1fr; gap: 1rem; } .service-grid { grid-template-columns: 1fr; } }

/* ============= Services grid ============= */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}
.service-grid > article {
  background: var(--paper);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 200ms ease;
}
.service-grid > article:hover { background: var(--klear-blue-soft); }
.service-grid .num-tag { font-family: var(--sans); font-size: var(--fs-xs); letter-spacing: 0.18em; color: var(--klear-blue-deep); text-transform: uppercase; font-weight: 700; }
.service-grid h3 { margin-bottom: 0.25rem; }
.service-grid p { color: var(--ink-soft); font-size: var(--fs-sm); line-height: 1.6; }

/* ============= Approach ============= */
.approach-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2.5rem 2rem; }
.approach-step .step-num { font-family: var(--sans); font-weight: 500; font-size: var(--fs-md); color: var(--klear-blue-deep); display: block; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.approach-step h4 { margin-bottom: 0.5rem; }
.approach-step p { color: var(--ink-soft); font-size: var(--fs-sm); line-height: 1.6; }

/* ============= Mandate cards ============= */
.mandate-list { display: flex; flex-direction: column; }
.mandate-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  transition: background 200ms ease;
}
.mandate-card:last-child { border-bottom: 1px solid var(--rule); }
.mandate-card:hover { background: linear-gradient(to right, var(--klear-blue-soft), transparent 60%); }
.mandate-card .meta { display: flex; flex-direction: column; gap: 0.5rem; }
.mandate-card .year { font-size: var(--fs-sm); color: var(--klear-blue-deep); letter-spacing: 0.04em; font-weight: 600; }
.mandate-card h3 { margin: 0.25rem 0 0.4rem; }
.mandate-card .role { font-size: var(--fs-sm); color: var(--ink-soft); margin-bottom: 0.3rem; }
.mandate-card .tags { font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.mandate-card .summary { color: var(--ink-soft); font-size: var(--fs-base); }
.mandate-card .more { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1rem; font-size: var(--fs-sm); border: 0; color: var(--klear-blue-deep); font-weight: 600; }
.mandate-card .more:hover { color: var(--ink); }
.mandate-card .more::after { content: "→"; transition: transform 200ms ease; }
.mandate-card .more:hover::after { transform: translateX(3px); }

@media (max-width: 720px) { .mandate-card { grid-template-columns: 1fr; gap: 0.75rem; } }

/* ============= Mandate detail page ============= */
.case-header { padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: clamp(2rem, 4vw, 3rem); }
.case-header .breadcrumbs { font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1.5rem; font-weight: 600; }
.case-header .breadcrumbs a { border: 0; color: var(--muted); }
.case-header .breadcrumbs a:hover { color: var(--klear-blue-deep); }
.case-header h1 { font-size: clamp(2rem, 5vw, var(--fs-2xl)); max-width: 22ch; }
.case-header .role-line { font-size: var(--fs-md); color: var(--ink-soft); margin-top: 1rem; }
.case-header .tags { font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 0.5rem; font-weight: 600; }
.case-header .year-line { font-size: var(--fs-sm); color: var(--klear-blue-deep); margin-bottom: 1rem; letter-spacing: 0.04em; font-weight: 700; }

.case-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--rule);
}
.case-body h3 { font-family: var(--sans); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.18em; font-weight: 700; color: var(--klear-blue-deep); margin-bottom: 0; font-weight: 600; }
.case-body .body-content p { font-size: var(--fs-md); line-height: 1.6; color: var(--ink-soft); margin-bottom: 1.25rem; max-width: 60ch; }
.case-body .body-content p:last-child { margin-bottom: 0; }
.case-body .body-content strong { color: var(--ink); font-weight: 700; }

@media (max-width: 720px) { .case-body { grid-template-columns: 1fr; gap: 1rem; } }

.case-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rule);
}
.case-metrics .metric .value { font-family: var(--sans); font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 500; color: var(--klear-blue-deep); letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 0.75rem; }
.case-metrics .metric .value em { font-style: italic; color: var(--klear-blue-deep); font-weight: 500; }
.case-metrics .metric .desc { font-size: var(--fs-sm); color: var(--muted); line-height: 1.45; }

.case-nav { display: flex; justify-content: space-between; padding: 2rem 0; border-top: 1px solid var(--rule); font-size: var(--fs-sm); color: var(--muted); }
.case-nav a { border: 0; color: var(--ink-soft); font-weight: 600; }
.case-nav a:hover { color: var(--klear-blue-deep); }
.case-nav .label { display: block; font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--klear-blue-deep); margin-bottom: 0.25rem; font-weight: 700; }

/* ============= About ============= */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(2rem, 5vw, 5rem); }
.about-grid .portrait { position: sticky; top: 6rem; align-self: start; }
.about-grid .portrait img { border-radius: 8px; border: 1px solid var(--rule); }
.about-grid .portrait figcaption { margin-top: 1rem; font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.06em; font-weight: 600; }
.about-body p { font-size: var(--fs-md); line-height: 1.65; color: var(--ink-soft); margin-bottom: 1.25rem; max-width: 60ch; }
.about-body p strong { color: var(--ink); font-weight: 700; }
.about-body h3 { margin-top: 2.5rem; margin-bottom: 1rem; font-size: var(--fs-lg); color: var(--klear-blue-deep); }

.cred-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--rule); }
.cred-grid h4 { font-family: var(--sans); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.18em; color: var(--klear-blue-deep); margin-bottom: 0.5rem; font-weight: 700; }
.cred-grid p { font-size: var(--fs-sm); margin: 0; }

@media (max-width: 720px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-grid .portrait { position: static; max-width: 320px; }
}

/* ============= Contact ============= */
.contact-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.contact-block .email-link {
  font-family: var(--sans);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--klear-blue-deep);
  border: 0;
  display: inline-block;
  margin-top: 1rem;
  letter-spacing: -0.02em;
  word-break: break-word;
}
.contact-block .email-link:hover { color: var(--ink); }
.contact-meta { font-size: var(--fs-sm); color: var(--ink-soft); }
.contact-meta dt { font-family: var(--sans); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.18em; color: var(--klear-blue-deep); margin-top: 1.5rem; margin-bottom: 0.3rem; font-weight: 700; }
.contact-meta dt:first-child { margin-top: 0; }
.contact-meta dd { margin: 0; }

@media (max-width: 720px) { .contact-block { grid-template-columns: 1fr; } }

/* ============= Footer ============= */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 5vw, 4rem) 0 clamp(2rem, 3vw, 3rem);
  margin-top: clamp(4rem, 8vw, 7rem);
  background: var(--paper-soft);
}
.site-footer .shell { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; align-items: start; }
.footer-brand-img { height: 52px; width: auto; margin-bottom: 0.75rem; }
.footer-tagline { font-size: var(--fs-sm); color: var(--muted); max-width: 32ch; }
.site-footer h5 { font-family: var(--sans); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.18em; color: var(--klear-blue-deep); margin-bottom: 1rem; font-weight: 600; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 0.5rem; }
.site-footer ul a { font-size: var(--fs-sm); color: var(--ink-soft); border: 0; }
.site-footer ul a:hover { color: var(--klear-blue-deep); }
.copyright { grid-column: 1 / -1; padding-top: 2rem; margin-top: 1rem; border-top: 1px solid var(--rule); font-size: var(--fs-xs); color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; letter-spacing: 0.04em; }

@media (max-width: 720px) { .site-footer .shell { grid-template-columns: 1fr; } }

/* ============= Animations ============= */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(8px); animation: reveal 700ms cubic-bezier(0.2, 0.6, 0.2, 1) forwards; }
  .reveal-1 { animation-delay: 60ms; }
  .reveal-2 { animation-delay: 160ms; }
  .reveal-3 { animation-delay: 260ms; }
  .reveal-4 { animation-delay: 360ms; }
  @keyframes reveal { to { opacity: 1; transform: translateY(0); } }
}

.dash { color: var(--klear-blue); padding: 0 0.2em; font-weight: 600; }

/* ============= Dark navy stats band (homepage) ============= */
.stats-band {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
}
.stats-band .stats {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.stats-band .stat .num { color: var(--klear-blue); font-weight: 500; }
.stats-band .stat .label { color: rgba(255, 255, 255, 0.65); }

/* Subtle gradient backdrop on hero */
.hero {
  background: linear-gradient(135deg, transparent 0%, transparent 50%, rgba(102, 204, 255, 0.10) 100%);
}