/* ---------- Tokens ---------- */
:root{
  --bg: #F7F5F1;
  --bg-alt: #EFEBE3;
  --surface: #FFFFFF;
  --ink: #1A2B3C;
  --ink-dim: #4A5A68;
  --ink-faint: #8B95A0;
  --accent: #3C5D48;
  --accent-2: #B08D57;
  --border: rgba(26,43,60,0.12);

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --wrap: 1140px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

a{ color: inherit; text-decoration: none; }

::selection{ background: var(--accent); color: #fff; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247,245,241,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}
.logo-text{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
}
.logo-sep{
  color: var(--accent);
  font-style: italic;
  padding: 0 2px;
}
.main-nav{
  display: flex;
  gap: 34px;
}
.main-nav a{
  font-size: 0.9rem;
  color: var(--ink-dim);
  transition: color 0.15s ease;
}
.main-nav a:hover{ color: var(--ink); }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span{
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle.is-active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2){ opacity: 0; }
.nav-toggle.is-active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 0;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: max-height 0.3s ease, border-color 0.3s ease;
}
.mobile-nav.is-open{
  max-height: 600px;
  border-bottom-color: var(--border);
}
.mobile-nav a{
  padding: 14px 28px;
  font-size: 1rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--border);
}
.mobile-nav a:hover{ color: var(--ink); background: var(--bg-alt); }
.mobile-nav-cta{
  margin: 14px 28px 20px;
  border-top: none !important;
}

body.nav-open{ overflow: hidden; }

@media (max-width: 900px){
  .main-nav{ display: none; }
  .btn-nav{ display: none; }
  .nav-toggle{ display: flex; }
}
@media (min-width: 901px){
  .mobile-nav{ display: none; }
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover{ background: var(--accent); }
.btn-outline{
  border-color: var(--ink);
  color: var(--ink);
}
.btn-outline:hover{ background: var(--ink); color: var(--bg); }
.btn-ghost{
  border-color: var(--border);
  color: var(--ink);
  padding: 10px 22px;
  font-size: 0.85rem;
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */
.hero{
  padding: 100px 0 0;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 26px;
}
.hero h1{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 28px;
  max-width: 14ch;
}
.accent-ital{
  font-style: italic;
  color: var(--accent);
}
.hero-lead{
  font-size: 1.1rem;
  color: var(--ink-dim);
  max-width: 50ch;
  margin: 0 0 44px;
}
.hero-actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

/* ---------- Ledger (signature element) ---------- */
.ledger{
  margin: 0;
  padding-top: 28px;
  border-top: 1px solid var(--ink);
}
.ledger-row{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.ledger-row dt{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  padding-top: 2px;
}
.ledger-row dd{
  margin: 0;
  font-size: 1rem;
  color: var(--ink-dim);
  max-width: 52ch;
}
.ledger-vertical{
  border-top: none;
  padding-top: 0;
}

@media (max-width: 700px){
  .ledger-row{ grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- Sections ---------- */
.section{
  padding: 110px 0;
}
.section-alt{
  background: var(--bg-alt);
}
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}
.section-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 60px;
  max-width: 18ch;
}

/* ---------- Service grid ---------- */
.service-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card{
  background: var(--bg);
  padding: 44px 40px;
}
.service-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  margin-bottom: 20px;
}
.service-card h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 14px;
}
.service-card p{
  color: var(--ink-dim);
  font-size: 0.96rem;
  margin: 0;
  max-width: 46ch;
}

@media (max-width: 780px){
  .service-grid{ grid-template-columns: 1fr; }
}

/* ---------- Methode ---------- */
.methode-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
}
.methode-copy{ align-self: start; position: sticky; top: 120px; }
.methode-lead{
  color: var(--ink-dim);
  font-size: 1.02rem;
  max-width: 42ch;
}

@media (max-width: 900px){
  .methode-grid{ grid-template-columns: 1fr; gap: 40px; }
  .methode-copy{ position: static; }
}

/* ---------- Timeline (méthode) ---------- */
.timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline-step{
  display: flex;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.timeline-step:last-child{ border-bottom: 1px solid var(--border); }
.timeline-num{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-2);
  flex-shrink: 0;
  padding-top: 3px;
}
.timeline-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.timeline-head h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  margin: 0;
}
.timeline-duration{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  white-space: nowrap;
}
.timeline-body p{
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 52ch;
}

/* ---------- Testimonials ---------- */
.testimonial-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 28px;
}
.testimonial-card{
  margin: 0;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent-2);
}
.testimonial-card blockquote{
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--ink);
}
.testimonial-card blockquote::before{ content: '“'; }
.testimonial-card blockquote::after{ content: '”'; }
.testimonial-card figcaption{
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.86rem;
}
.testimonial-name{ font-weight: 600; color: var(--ink); }
.testimonial-role{ color: var(--ink-faint); font-family: var(--font-mono); font-size: 0.78rem; }

@media (max-width: 900px){
  .testimonial-grid{ grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq-list{
  max-width: 780px;
}
.faq-item{
  border-top: 1px solid var(--border);
  padding: 6px 0;
}
.faq-item:last-child{ border-bottom: 1px solid var(--border); }
.faq-item summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after{ content: '−'; }
.faq-item p{
  margin: 0 0 20px;
  color: var(--ink-dim);
  font-size: 0.96rem;
  max-width: 62ch;
}

/* ---------- Audience ---------- */
.audience-row{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 48px;
}
.audience-item{
  border-top: 2px solid var(--ink);
  padding-top: 24px;
}
.audience-item h3{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.18rem;
  margin: 0 0 12px;
}
.audience-item p{
  color: var(--ink-dim);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 780px){
  .audience-row{ grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- CTA / Contact ---------- */
.section-cta{
  background: var(--ink);
  color: var(--bg);
}
.section-cta .section-eyebrow{ color: var(--accent-2); }
.section-cta .methode-lead{ color: rgba(247,245,241,0.72); margin-bottom: 50px; }

.contact-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}
.contact-card{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 26px;
  background: rgba(247,245,241,0.06);
  border: 1px solid rgba(247,245,241,0.16);
  border-radius: 2px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
a.contact-card:hover{
  border-color: var(--accent-2);
  background: rgba(247,245,241,0.1);
}
.contact-card-static{ cursor: default; }
.contact-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-2);
}
.contact-value{
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--bg);
}

@media (max-width: 780px){
  .contact-grid{ grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer{
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}
.footer-inner{
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p{
  color: var(--ink-faint);
  font-size: 0.88rem;
  margin: 12px 0 0;
}
.footer-legal{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
  line-height: 1.9;
}
.footer-legal p{ margin: 0; }
.footer-legal strong{ color: var(--ink); }

.footer-bottom{
  border-top: 1px solid var(--border);
  padding: 22px 0;
}
.footer-bottom p{
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-faint);
}

@media (max-width: 700px){
  .footer-inner{ grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Small-screen tuning ---------- */
@media (max-width: 600px){
  .wrap{ padding: 0 20px; }
  .hero{ padding-top: 64px; }
  .hero-actions{ margin-bottom: 56px; }
  .hero-actions .btn{ width: 100%; }
  .section{ padding: 72px 0; }
  .section-title{ margin-bottom: 40px; }
  .service-card{ padding: 32px 24px; }
  .timeline-step{ gap: 16px; }
  .timeline-head{ flex-direction: column; align-items: flex-start; gap: 4px; }
  .contact-grid{ gap: 12px; }
  .header-inner{ height: 68px; }
}