/* ==========================================================================
   NESYA CONSULTING — Polices auto-hébergées (aucune dépendance externe)
   ========================================================================== */
@font-face{
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/space-grotesk-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/space-grotesk-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Sans';
  src: url('../assets/fonts/ibm-plex-sans-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face{
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ==========================================================================
   NESYA CONSULTING — Design tokens
   Palette dérivée du logo : vert de marque, encre quasi-noire, blanc technique
   ========================================================================== */

:root{
  --green:        #5FCE8E;
  --green-deep:    #2F9A63;
  --green-pale:    #EAF7EF;
  --green-mist:    #DCF1E4;
  --ink:           #101112;
  --ink-soft:      #1B2320;
  --night:         #0B1712;   /* section sombre, dérivée du vert+noir */
  --paper:         #FAFAF8;
  --paper-dim:     #F1F3F1;
  --line:          #DDE3DF;
  --text:          #1A1D1B;
  --text-mute:     #55625B;
  --text-inverse:  #F4FBF6;
  --text-inverse-mute: #A9C4B5;

  --font-display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-pill: 999px;

  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
  color: var(--ink);
}
p{ margin: 0 0 1em; }

:focus-visible{
  outline: 3px solid var(--green-deep);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-deep);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 8px; height: 8px;
  background: var(--green);
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--ink); color: var(--text-inverse); }
.btn-primary:hover{ background: var(--green-deep); }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover{ background: var(--ink); color: var(--text-inverse); }
.btn-on-dark{ background: var(--green); color: var(--night); }
.btn-on-dark:hover{ background: var(--text-inverse); }
.btn-ghost-dark{ background: transparent; color: var(--text-inverse); border-color: rgba(244,251,246,.35); }
.btn-ghost-dark:hover{ border-color: var(--green); color: var(--green); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(250,250,248,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 84px;
}
.brand img{ height: 40px; width:auto; }
.main-nav{ display:flex; align-items:center; gap: 36px; }
.main-nav ul{ display:flex; gap: 30px; }
.main-nav a{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background: var(--green); transition: right .2s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ right:0; }
.main-nav a.active{ color: var(--green-deep); }
.nav-cta{ display:flex; align-items:center; gap: 20px; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width: 40px; height:40px; padding:0; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:8px; right:8px; height:2px; background: var(--ink);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }
.nav-open .nav-toggle span{ background: transparent; }
.nav-open .nav-toggle span::before{ transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span::after{ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px){
  .main-nav{
    position: fixed; inset: 84px 0 0 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; padding: 32px 28px;
    gap: 28px; transform: translateX(100%); transition: transform .3s ease;
    overflow-y:auto;
  }
  .nav-open .main-nav{ transform: translateX(0); }
  .main-nav ul{ flex-direction: column; gap: 22px; width:100%; }
  .main-nav a{ font-size: 20px; }
  .nav-cta{ flex-direction: column; align-items: flex-start; width:100%; }
  .nav-toggle{ display:block; }
}

/* ==========================================================================
   HERO / DATA-BLOCK SIGNATURE MOTIF
   ========================================================================== */
.hero{
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items:center;
}
.hero h1{ font-size: clamp(2.4rem, 4.4vw, 3.7rem); }
.hero .lede{ font-size: 1.15rem; color: var(--text-mute); max-width: 46ch; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 34px; }

.blockfield{
  position: relative; aspect-ratio: 1/1; width: 100%;
}
.blockfield .core{
  position:absolute; inset: 14% 14% 14% 14%;
  border: 1.5px solid var(--line);
  background: var(--paper-dim);
}
.blockfield .sq{
  position:absolute; background: var(--ink);
}
.blockfield .sq.green{ background: var(--green); }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .blockfield{ max-width: 320px; margin: 0 auto; }
}

/* ==========================================================================
   SECTIONS
   ========================================================================== */
.section{ padding: 84px 0; }
.section-tight{ padding: 56px 0; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p{ color: var(--text-mute); font-size: 1.05rem; }

.section-dark{ background: var(--night); color: var(--text-inverse); }
.section-dark h2, .section-dark h3, .section-dark h4{ color: var(--text-inverse); }
.section-dark p{ color: var(--text-inverse-mute); }
.section-dark .eyebrow{ color: var(--green); }

.divider-blocks{
  display:flex; gap:6px; margin: 0 0 40px;
}
.divider-blocks span{ width:8px; height:8px; background: var(--line); }
.divider-blocks span:nth-child(1){ background: var(--green); }
.divider-blocks span:nth-child(2){ background: var(--ink); }

/* pillars (Prévenir / Protéger / Réagir) */
.pillars{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: var(--line); border: 1px solid var(--line);
}
.pillar{
  background: var(--paper); padding: 36px 32px;
}
.pillar .idx{ font-family: var(--font-mono); font-size:13px; color: var(--green-deep); }
.pillar h3{ font-size: 1.3rem; margin-top: 10px; }
.pillar p{ color: var(--text-mute); font-size: .97rem; margin-bottom:0; }
@media (max-width: 800px){ .pillars{ grid-template-columns: 1fr; } }

/* service cards */
.card-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 980px){ .card-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .card-grid{ grid-template-columns: 1fr; } }

.svc-card{
  border: 1px solid var(--line); background: var(--paper);
  padding: 30px 26px; position:relative;
  transition: border-color .2s ease, transform .2s ease;
  display:flex; flex-direction:column;
}
.svc-card:hover{ border-color: var(--green-deep); transform: translateY(-4px); }
.svc-card .tag{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--text-mute); text-transform:uppercase; margin-bottom: 18px;
}
.svc-card h3{ font-size: 1.18rem; margin-bottom: 10px; }
.svc-card p{ color: var(--text-mute); font-size: .95rem; flex-grow:1; }
.svc-card .more{
  margin-top:16px; font-family: var(--font-mono); font-size: 13px; color: var(--green-deep);
  display:inline-flex; align-items:center; gap:6px;
}

/* stat strip */
.stat-strip{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 1px;
  background: rgba(244,251,246,.15);
  border-top: 1px solid rgba(244,251,246,.15);
  border-bottom: 1px solid rgba(244,251,246,.15);
}
.stat{ background: var(--night); padding: 30px 20px; }
.stat .num{ font-family: var(--font-mono); font-size: 2.1rem; color: var(--green); }
.stat .label{ font-size: .88rem; color: var(--text-inverse-mute); margin-top:6px; }
@media (max-width: 760px){ .stat-strip{ grid-template-columns: repeat(2,1fr); } }

/* CTA banner */
.cta-banner{
  background: var(--green-pale); border: 1px solid var(--green-mist);
  padding: 56px; display:flex; justify-content:space-between; align-items:center; gap: 32px; flex-wrap:wrap;
}
.cta-banner h2{ font-size: 1.7rem; margin-bottom:6px; }
.cta-banner p{ color: var(--text-mute); margin:0; }

/* two column content */
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:start; }
@media (max-width: 860px){ .two-col{ grid-template-columns: 1fr; } }

/* process steps */
.steps{ counter-reset: step; }
.step{
  display:grid; grid-template-columns: 64px 1fr; gap: 22px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.step:first-child{ border-top: 1px solid var(--line); }
.step .n{
  font-family: var(--font-mono); font-size: 13px; color: var(--green-deep);
  padding-top: 4px;
}
.step h3{ font-size: 1.1rem; margin-bottom:6px; }
.step p{ color: var(--text-mute); margin:0; }

/* logos / trust strip */
.trust-strip{
  display:flex; flex-wrap:wrap; gap: 14px; align-items:center;
}
.trust-pill{
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing:.03em;
  border:1px solid var(--line); padding: 8px 16px; color: var(--text-mute);
}

/* quote block */
.quote-block{
  border-left: 3px solid var(--green); padding-left: 28px; margin: 0;
  font-family: var(--font-display); font-size: 1.25rem; color: var(--ink);
}
.quote-block cite{ display:block; font-family: var(--font-mono); font-style:normal; font-size:.85rem; color: var(--text-mute); margin-top:14px; }

/* founder card */
.founder-card{
  display:grid; grid-template-columns: 200px 1fr; gap: 36px; align-items:center;
  border: 1px solid var(--line); padding: 34px; background: var(--paper);
}
.founder-mark{ width: 100%; }
@media (max-width: 700px){ .founder-card{ grid-template-columns:1fr; text-align:left; } .founder-mark{ width: 96px; } }

/* contact page */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; } }
.contact-card{ border:1px solid var(--line); padding: 30px; background: var(--paper); }
.contact-card + .contact-card{ margin-top: 20px; }
.contact-card .label{ font-family: var(--font-mono); font-size:12px; color: var(--green-deep); text-transform:uppercase; letter-spacing:.08em; }
.contact-card .value{ font-size: 1.2rem; margin-top:6px; font-weight:600; }

form.contact-form{ display:flex; flex-direction:column; gap: 18px; }
.field label{ display:block; font-family: var(--font-mono); font-size: 13px; margin-bottom: 8px; color: var(--text-mute); }
.field input, .field select, .field textarea{
  width:100%; border: 1px solid var(--line); background: var(--paper);
  padding: 13px 14px; font-family: var(--font-body); font-size: 15px; color: var(--text);
  border-radius: var(--radius-sm);
}
.field textarea{ min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--green-deep); }

/* faq */
.faq-item{ border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq-item summary{ cursor:pointer; font-family: var(--font-display); font-weight:700; font-size:1.05rem; list-style:none; display:flex; justify-content:space-between; gap:20px; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-family: var(--font-mono); color: var(--green-deep); font-size: 1.3rem; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ color: var(--text-mute); margin-top: 14px; margin-bottom:0; max-width: 68ch; }

/* breadcrumb-ish page intro */
.page-intro{ padding: 60px 0 20px; }
.page-intro .eyebrow{ margin-bottom: 18px; }
.page-intro h1{ font-size: clamp(2rem,4vw,3rem); max-width: 18ch; }
.page-intro .lede{ color: var(--text-mute); font-size: 1.08rem; max-width: 60ch; }

/* footer */
.site-footer{ background: var(--night); color: var(--text-inverse-mute); padding: 70px 0 30px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(244,251,246,.12); }
.footer-grid h4{ color: var(--text-inverse); font-family: var(--font-mono); font-size:13px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:18px; }
.footer-grid li{ margin-bottom: 10px; font-size: .95rem; }
.footer-grid a:hover{ color: var(--green); }
.footer-bottom{ display:flex; justify-content:space-between; padding-top: 26px; font-size: .85rem; flex-wrap:wrap; gap: 12px; }
.footer-logo{ height: 34px; margin-bottom: 16px; }
.footer-about{ max-width: 34ch; font-size: .92rem; }

/* utility */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.text-center{ text-align:center; }