/* ============================================================
   KIFLOW — design tokens
   ============================================================ */
:root{
  --ink:      #1B2A44;
  --ink-70:   rgba(27,42,68,.7);
  --paper:    #EDEBE2;
  --paper-hi: #F8F7F2;
  --slate:    #46484F;
  --seal:     #A6362C;
  --brass:    #8F7A47;
  --line:     #D8D4C6;
  --line-strong: #C2BDAC;

  --font-display: "Libre Caslon Display", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --wrap: 1140px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

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

h1,h2,h3{
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 400;
  margin: 0 0 .5em;
  letter-spacing: .002em;
}
h1{ font-size: clamp(2.4rem, 4.6vw, 3.6rem); line-height: 1.08; }
h2{ font-size: clamp(1.7rem, 3vw, 2.35rem); line-height: 1.18; max-width: 26ch; }
h3{ font-size: 1.28rem; }

p{ margin: 0 0 1em; }
a{ color: inherit; }

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

/* faint paper grain */
.grain{
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: .035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* eyebrow / reference label */
.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-70);
  display: flex;
  align-items: center;
  gap: .6em;
  margin-bottom: .9em;
}
.eyebrow-code{
  color: var(--seal);
  border: 1px solid var(--seal);
  padding: .18em .55em;
  border-radius: 2px;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(237,235,226,.88);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display: flex; align-items: center; gap: 28px;
  height: 68px;
}
.mark{
  display: flex; align-items: center; gap: .55em;
  text-decoration: none; color: var(--ink);
}
.mark-seal{
  font-family: var(--font-mono);
  font-size: .72rem; font-weight: 500;
  width: 30px; height: 30px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid; place-items: center;
}
.mark-word{
  font-family: var(--font-display);
  font-size: 1.18rem; letter-spacing: .03em;
}
.site-nav{
  display: flex; gap: 26px;
  margin-left: 8px;
  font-size: .92rem;
}
.site-nav a{
  text-decoration: none; color: var(--slate);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .15s ease, color .15s ease;
}
.site-nav a:hover, .site-nav a:focus-visible{
  color: var(--ink); border-color: var(--brass);
}
.header-tag{
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .74rem; letter-spacing: .08em;
  color: var(--ink-70);
  white-space: nowrap;
}
.nav-toggle{
  display: none;
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  width: 34px; height: 34px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span{ width: 20px; height: 1.5px; background: var(--ink); display: block; }
.mobile-nav{
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
  background: var(--paper-hi);
}
.mobile-nav a{
  padding: 14px 28px;
  text-decoration: none; color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.mobile-nav.open{ display: flex; }

@media (max-width: 780px){
  .site-nav, .header-tag{ display: none; }
  .nav-toggle{ display: flex; }
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--seal);
  outline-offset: 3px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  text-decoration: none;
  padding: .85em 1.5em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{
  background: var(--ink); color: var(--paper-hi);
}
.btn-primary:hover{ background: var(--seal); transform: translateY(-1px); }
.btn-ghost{
  border-color: var(--line-strong); color: var(--ink);
}
.btn-ghost:hover{ border-color: var(--ink); transform: translateY(-1px); }

/* ============================================================
   HERO
   ============================================================ */
.hero{ padding: 84px 0 60px; }
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: start;
}
.hero-lede{
  font-size: 1.1rem; color: var(--slate); max-width: 46ch;
}
.hero-cta{ display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 40px; }

.hero-facts{
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 34px; flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.hero-facts li{
  display: flex; flex-direction: column-reverse;
  font-size: .82rem; color: var(--ink-70); max-width: 12ch;
}
.hero-facts span{
  font-family: var(--font-display);
  font-size: 1.7rem; color: var(--ink); line-height: 1.1;
}

.hero-flow{
  border: 1px solid var(--line-strong);
  background: var(--paper-hi);
  padding: 26px 22px;
  margin-top: 8px;
}
.flow-label{
  font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-70); margin-bottom: 18px;
}
.flow{
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 0;
  position: relative;
}
.flow li{
  position: relative;
  padding: 12px 0 12px 26px;
  font-size: .95rem; color: var(--ink);
  border-left: 1.5px solid var(--line-strong);
}
.flow li:first-child{ padding-top: 0; }
.flow li:last-child{ padding-bottom: 0; border-left-color: transparent; }
.flow-dot{
  position: absolute; left: -5.5px; top: 15px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper-hi);
  border: 1.5px solid var(--brass);
}
.flow li:first-child .flow-dot{ background: var(--seal); border-color: var(--seal); }

@media (prefers-reduced-motion: no-preference){
  .flow-dot{ animation: pulse 5.5s ease-in-out infinite; }
  .flow li:nth-child(2) .flow-dot{ animation-delay: .9s; }
  .flow li:nth-child(3) .flow-dot{ animation-delay: 1.8s; }
  .flow li:nth-child(4) .flow-dot{ animation-delay: 2.7s; }
  .flow li:nth-child(5) .flow-dot{ animation-delay: 3.6s; }
  .flow li:nth-child(6) .flow-dot{ animation-delay: 4.5s; }
}
@keyframes pulse{
  0%, 82%, 100%{ box-shadow: 0 0 0 0 rgba(166,54,44,0); }
  90%{ box-shadow: 0 0 0 6px rgba(166,54,44,.14); }
}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   SECTIONS — shared
   ============================================================ */
.section{ padding: 84px 0; border-top: 1px solid var(--line); }
.section-alt{ background: var(--paper-hi); }
.piece-head{ margin-bottom: 48px; }
.piece-head h2{ margin: 0; }

/* ============================================================
   CONSULTANT
   ============================================================ */
.consultant-grid{
  display: grid; grid-template-columns: 260px 1fr; gap: 56px; align-items: start;
}
.seal-block{ text-align: center; }
.seal{ color: var(--ink); }
.seal svg{ width: 100%; max-width: 220px; height: auto; }
.seal-caption{
  font-size: .85rem; color: var(--ink-70); margin-top: 14px; line-height: 1.5;
}
.consultant-bio p{ max-width: 62ch; }
.credential-chips{
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px;
}
.credential-chips span{
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .02em;
  border: 1px solid var(--line-strong);
  padding: .5em .8em;
  color: var(--ink-70);
  background: var(--paper-hi);
}

@media (max-width: 700px){
  .consultant-grid{ grid-template-columns: 1fr; }
  .seal-block{ display: flex; align-items: center; gap: 18px; text-align: left; }
  .seal svg{ max-width: 96px; }
}

/* ============================================================
   PRESTATIONS
   ============================================================ */
.services-grid{
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.service-card{
  background: var(--paper-hi);
  padding: 34px 32px;
}
.service-ref{
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .07em;
  color: var(--seal); margin-bottom: .8em;
}
.service-card p:not(.service-ref){ max-width: 48ch; color: var(--slate); }
.service-card ul{
  margin: 1.1em 0 0; padding: 0; list-style: none;
}
.service-card li{
  position: relative; padding-left: 1.2em; margin-bottom: .55em;
  font-size: .92rem; color: var(--ink-70);
}
.service-card li::before{
  content: "—"; position: absolute; left: 0; color: var(--brass);
}

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

/* ============================================================
   REPÈRES — timeline
   ============================================================ */
.timeline{
  display: grid; gap: 0;
  border-left: 1.5px solid var(--line-strong);
  max-width: 760px;
}
.timeline-item{
  position: relative;
  padding: 0 0 40px 32px;
}
.timeline-item::before{
  content: ""; position: absolute; left: -5.5px; top: 4px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 1.5px solid var(--seal);
}
.timeline-item:last-child{ padding-bottom: 0; }
.timeline-date{
  font-family: var(--font-mono); font-size: .82rem; color: var(--ink);
  letter-spacing: .03em; margin-bottom: .3em;
}
.timeline-body{ max-width: 56ch; color: var(--slate); margin: 0; }

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact{ background: var(--ink); color: var(--paper); }
.section-contact .eyebrow{ color: rgba(237,235,226,.65); }
.section-contact .eyebrow-code{ color: #E0A79C; border-color: #E0A79C; }
.section-contact h2{ color: var(--paper-hi); }
.contact-lede{ color: rgba(237,235,226,.78); max-width: 48ch; }
.contact-grid{
  display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: start;
}
.section-contact .btn-primary{ background: var(--seal); color: var(--paper-hi); }
.section-contact .btn-primary:hover{ background: #C24A3D; }
.contact-card{
  border: 1px solid rgba(237,235,226,.25);
  padding: 28px;
  font-size: .92rem;
}
.contact-card p{ margin: 0 0 .4em; color: rgba(237,235,226,.82); }
.contact-card-title{
  font-family: var(--font-display); font-size: 1.15rem; color: var(--paper-hi); margin-bottom: .5em;
}
.contact-card-note{
  margin-top: .9em; font-family: var(--font-mono); font-size: .74rem;
  color: rgba(237,235,226,.55);
}

@media (max-width: 700px){
  .contact-grid{ grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background: var(--ink); color: rgba(237,235,226,.6); }
.footer-inner{
  display: flex; align-items: center; gap: 10px;
  padding: 22px 28px;
  font-size: .82rem;
  border-top: 1px solid rgba(237,235,226,.15);
}
.footer-inner a{ text-decoration: none; color: rgba(237,235,226,.8); }
.footer-inner a:hover{ color: var(--paper-hi); }
.footer-sep{ opacity: .5; }