/* ===== EcoNumériK — style.css ===== */
/* Palette : verts "environnement" + rouge carmin du logo (lotus) en accent */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* fonds "papier" naturel */
  --paper: #F4F1E6;
  --paper-alt: #E9E4D2;

  /* encre / texte */
  --ink: #1C231D;

  /* verts environnement (palette principale) */
  --forest-dark: #16281E;
  --forest: #1F3D2C;
  --moss: #3C6B4A;
  --leaf: #5C8C63;
  --sage: #AABFA0;

  /* turquoise — repris du bandeau de la charte EcoNumériK (accent technique / data) */
  --teal: #0B7596;
  --teal-light: #4EB0D3;

  /* bleu marine — repris du texte du logo EcoNumériK */
  --navy: #0A1E40;
  --navy-dark: #061530;

  /* rouge carmin — repris du pictogramme du logo EcoNumériK (fleur de lotus) */
  --brand-red: #C8184A;
  --brand-red-dark: #8C1030;
  --brand-red-light: #E11554;

  --line: #D6D0BB;

  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

a{ color: var(--teal); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--brand-red);
  outline-offset: 3px;
}

h1,h2,h3{
  font-family: var(--font-head);
  color: var(--forest-dark);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 700; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3{ font-size: 1.15rem; }

p{ margin: 0 0 1.1em; max-width: 62ch; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 40;
  background: rgba(244,241,230,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content: space-between;
  padding-top: 0.85rem; padding-bottom: 0.85rem;
}
.logo{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--forest-dark);
  display:flex; align-items:center; gap:0.6rem;
}
.logo:hover{ text-decoration:none; }
.logo-mark{ height: 2.3rem; width:auto; flex-shrink:0; }

nav.main-nav ul{
  list-style:none; display:flex; gap: clamp(1rem,2.5vw,2rem);
  margin:0; padding:0;
}
nav.main-nav a{
  color: var(--ink);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a[aria-current="page"]{
  color: var(--forest-dark);
  border-bottom-color: var(--brand-red);
  text-decoration: none;
}

.nav-toggle{ display:none; }

@media (max-width: 720px){
  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width: 2.4rem; height:2.4rem;
    background:none; border:1px solid var(--line); border-radius: 4px;
    cursor:pointer;
    color: var(--forest-dark);
  }
  .nav-toggle svg{ width:1.2rem; height:1.2rem; }
  nav.main-nav{
    position:absolute; top:100%; left:0; right:0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    max-height:0; overflow:hidden;
    transition: max-height 0.25s ease;
  }
  nav.main-nav.open{ max-height: 20rem; }
  nav.main-nav ul{ flex-direction:column; padding: 1rem clamp(1.25rem,4vw,2.5rem) 1.5rem; gap:0.9rem; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  overflow:hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #F7F4EA 0%, var(--paper) 55%);
}
.hero .container{
  position:relative; z-index:2;
  padding-top: clamp(1.5rem, 3vw, 2.75rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  display:grid;
  grid-template-columns: minmax(0,1.1fr) minmax(0,0.9fr);
  gap: 3rem;
  align-items:center;
}
.hero-contours{
  position:absolute; inset:0; z-index:1;
  opacity: 0.55;
}
.hero-eyebrow{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal);
  letter-spacing: 0.02em;
  margin-bottom: 0.9rem;
}
.hero-lede{
  font-size: 1.15rem;
  color: var(--forest);
  max-width: 46ch;
}
.hero-actions{ display:flex; gap: 1rem; flex-wrap:wrap; margin-top: 1.6rem; }

.hero-note{
  margin: 1.8rem 0 0;
  max-width: 46ch;
  font-size: 0.92rem;
  color: var(--forest-dark);
  background: rgba(255,255,255,0.55);
  border-left: 3px solid var(--brand-red);
  padding: 0.75rem 1rem;
  border-radius: 0 3px 3px 0;
}
.hero-note strong{ color: var(--brand-red); }
.hero-note a{ font-weight: 600; white-space: nowrap; }

.btn{
  display:inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: 3px;
  border: 1px solid var(--forest-dark);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ text-decoration:none; }
.btn-primary{
  background: var(--brand-red);
  color: #FBF3EF;
  border-color: var(--brand-red);
}
.btn-primary:hover{ background: var(--brand-red-dark); border-color: var(--brand-red-dark); }
.btn-secondary{
  background: transparent;
  color: var(--forest-dark);
}
.btn-secondary:hover{ background: var(--forest-dark); color: var(--paper); }

.hero-figure{
  border: 1px solid var(--line);
  background: var(--paper-alt);
  aspect-ratio: 4/3;
  position:relative;
}

/* ---------- Sections ---------- */
section{ padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt{ background: var(--paper-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* Bandeau marine — clin d'œil au texte du logo, pour mettre en avant la plateforme */
.section-navy{
  background: var(--navy);
  color: #E7E9ED;
  border-top: 1px solid var(--navy-dark);
  border-bottom: 1px solid var(--navy-dark);
}
.section-navy h2{ color: #FFFFFF; }
.section-navy .section-head{ border-bottom-color: rgba(231,233,237,0.18); }
.section-navy .section-index{ color: var(--teal-light); }
.section-navy p{ color: rgba(231,233,237,0.82); }

.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap: 2rem; flex-wrap:wrap;
  margin-bottom: 2.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.2rem;
}
.section-index{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--brand-red);
  white-space: nowrap;
}

.domain-list{
  display:grid; grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.domain-item{
  padding: 1.6rem 1.8rem 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.domain-item:nth-child(odd){ border-right: 1px solid var(--line); padding-right: 1.8rem; }
.domain-item:nth-child(even){ padding-left: 1.8rem; }
.domain-item h3{ color: var(--forest-dark); margin-bottom:0.4rem; }
.domain-item p{ margin-bottom:0; font-size: 0.98rem; }
.domain-tag{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--teal);
  display:block;
  margin-bottom: 0.5rem;
}

@media (max-width: 680px){
  .hero .container{ grid-template-columns: 1fr; }
  .hero-figure{ order:-1; }
  .domain-list{ grid-template-columns: 1fr; }
  .domain-item:nth-child(odd){ border-right:none; padding-right:0; }
  .domain-item:nth-child(even){ padding-left:0; }
}

.approach-grid{
  display:grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.6rem;
}
.approach-item{ border-left: 2px solid var(--brand-red); padding-left: 1rem; }
.approach-item h3{ font-size: 1rem; }
.approach-item p{ font-size: 0.94rem; margin-bottom:0; }

@media (max-width: 860px){
  .approach-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 480px){
  .approach-grid{ grid-template-columns: 1fr; }
}

blockquote.mission{
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 500;
  color: var(--forest-dark);
  line-height:1.35;
  max-width: 42ch;
  margin: 0;
  padding-left: 1.3rem;
  border-left: 3px solid var(--teal);
}

/* ---------- Chiffres clés / stats ---------- */
.stat-grid{
  display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.8rem;
  margin-top: 2rem;
}
.stat-item{ }
.stat-num{
  font-family: var(--font-head);
  font-weight:700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--brand-red);
  display:block;
  margin-bottom: 0.3rem;
}
.stat-label{ font-size: 0.92rem; color: var(--forest); max-width: 30ch; }
@media (max-width: 680px){ .stat-grid{ grid-template-columns: 1fr; } }

/* ---------- Cartes plateforme (accueil) ---------- */
.platform-grid{
  display:grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.4rem;
  margin-top: 2rem;
}
.platform-card{
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--moss);
  padding: 1.6rem 1.5rem;
  border-radius: 4px;
}
.platform-card h3{ margin-bottom: 0.5rem; }
.platform-card p{ font-size: 0.96rem; margin-bottom:0; max-width: none; }
@media (max-width: 860px){ .platform-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .platform-grid{ grid-template-columns: 1fr; } }

.section-navy .platform-card{
  background: rgba(255,255,255,0.04);
  border-color: rgba(231,233,237,0.18);
  border-top-color: var(--teal-light);
}
.section-navy .platform-card h3{ color: #FFFFFF; }
.section-navy .platform-card p{ color: rgba(231,233,237,0.82); }
.section-navy .tag-list li{
  background: rgba(255,255,255,0.06);
  border-color: rgba(231,233,237,0.2);
  color: #E7E9ED;
}

/* ---------- Tags / listes de modules ---------- */
.tag-list{ display:flex; flex-wrap:wrap; gap:0.6rem; margin: 1.4rem 0 0; padding:0; list-style:none; }
.tag-list li{
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--forest-dark);
  background: var(--paper-alt);
  border: 1px solid var(--line);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

/* ---------- Nos clients ---------- */
.client-group-label{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand-red);
  margin: 2.2rem 0 0;
}
.client-grid{
  display:grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.1rem;
  margin-top: 1rem;
}
.client-card{
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.3rem 1rem 1.1rem;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 0.8rem;
  text-align:center;
}
.client-card img{
  max-width: 100%;
  max-height: 3.4rem;
  width:auto; height:auto;
  object-fit: contain;
}
.client-name{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--forest);
  line-height: 1.3;
}
.client-grid-other{
  grid-template-columns: minmax(0,1fr) minmax(0,2fr);
  align-items: stretch;
}
.client-card-note{
  background: var(--paper-alt);
  border-style: dashed;
  align-items: flex-start;
  text-align: left;
}
.client-card-note p{
  margin: 0;
  font-size: 0.92rem;
  color: var(--forest);
  max-width: none;
}
@media (max-width: 900px){ .client-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 560px){
  .client-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .client-grid-other{ grid-template-columns: 1fr; }
}

/* ---------- Partenaires ---------- */
.partner-list{
  list-style:none; margin: 1.6rem 0 0; padding:0;
  display:grid; grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0.9rem 2rem;
}
.partner-list li{
  padding-left: 1rem;
  border-left: 2px solid var(--brand-red);
  font-size: 0.98rem;
}
.partner-list strong{ color: var(--forest-dark); font-family: var(--font-head); font-weight:600; }
@media (max-width: 680px){ .partner-list{ grid-template-columns: 1fr; } }

/* ---------- Services : texte + illustration ---------- */
.service-split{
  display:grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr);
  gap: 2.5rem;
  align-items: center;
}
.service-media img{
  width:100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #FFFFFF;
}
.service-split-reverse .service-media{ order: -1; }
@media (max-width: 860px){
  .service-split{ grid-template-columns: 1fr; }
  .service-split-reverse .service-media{ order: 0; }
  .service-media{ order: -1; }
}

/* ---------- Contact / Forms ---------- */
.contact-grid{
  display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1.2fr);
  gap: 3rem;
}
@media (max-width: 780px){ .contact-grid{ grid-template-columns: 1fr; } }

.info-block{ margin-bottom: 1.6rem; }
.info-block dt{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal);
  margin-bottom: 0.2rem;
}
.info-block dd{ margin:0; font-size: 1.05rem; }

form.contact-form{ display:flex; flex-direction:column; gap: 1.1rem; }
form.contact-form label{
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--forest-dark);
  display:block; margin-bottom: 0.4rem;
}
form.contact-form input, form.contact-form textarea{
  width:100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 3px;
}
form.contact-form input:focus, form.contact-form textarea:focus{
  outline: 2px solid var(--brand-red);
  outline-offset: 1px;
}
form.contact-form textarea{ resize: vertical; min-height: 8rem; }
.form-note{ font-size: 0.85rem; color: var(--moss); margin-top:-0.3rem; }

/* ---------- Legal page ---------- */
.legal-table{
  width:100%; border-collapse: collapse; margin: 1.5rem 0 2.5rem;
  font-size: 0.98rem;
}
.legal-table th, .legal-table td{
  text-align:left; padding: 0.65rem 1rem 0.65rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.legal-table th{
  font-family: var(--font-mono);
  font-weight:500; color: var(--teal);
  width: 40%;
}
.legal-note{
  font-size: 0.92rem; color: var(--moss);
}

/* ---------- Footer ---------- */
footer.site-footer{
  border-top: 1px solid var(--line);
  background: var(--forest-dark);
  color: var(--paper);
}
footer.site-footer .container{
  padding-top: 2.5rem; padding-bottom: 2.5rem;
  display:flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; flex-wrap:wrap;
}
footer.site-footer a{ color: var(--paper); }
footer.site-footer .footer-brand{
  font-family: var(--font-head); font-weight:700; font-size:1.1rem;
  margin-bottom: 0.4rem;
  display:flex; align-items:center; gap:0.5rem;
}
footer.site-footer .footer-brand img{ height:1.6rem; width:auto; }
footer.site-footer .footer-meta{
  font-family: var(--font-mono); font-size: 0.78rem; opacity:0.75;
}
footer.site-footer nav ul{
  list-style:none; margin:0; padding:0; display:flex; gap:1.4rem; flex-wrap:wrap;
}
footer.site-footer nav a{ font-size: 0.92rem; opacity: 0.9; }
footer.site-footer nav a:hover{ opacity:1; }

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

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}