/* =========================================================
   ICT COSI — design tokens
   Palette : encre bleu-nuit + ambre signal + teal réseau
   ========================================================= */
:root{
  --ink-950: #0D1218;
  --ink-900: #10151C;
  --ink-800: #161D27;
  --ink-700: #1E2733;
  --ink-600: #2B3644;
  --line: #2C3743;

  --text-hi: #EDEFF2;
  --text-mid: #B7C0CA;
  --text-low: #7C8794;

  --amber: #F2A93C;
  --amber-hi: #FFC569;
  --teal: #1CB8DE;
  --teal-hi: #57D3F0;
  --mint: #4FCB93;
  --mint-hi: #7BE0B2;

  --ok: #4FCB93;

  --font-display: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, Segoe UI, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --radius: 10px;
  --wrap: 1120px;
}

@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior: smooth; }
}

*, *::before, *::after{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }

body{
  background: var(--ink-900);
  background-image:
    radial-gradient(1100px 520px at 82% -10%, rgba(28,184,222,0.12), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(242,169,60,0.08), transparent 55%);
  color: var(--text-hi);
  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 24px; }

h1,h2,h3{ font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; color: var(--text-hi); }
h1{ font-size: clamp(2.1rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -0.01em; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3{ font-size: 1.05rem; }
p{ margin: 0 0 1em; color: var(--text-mid); }

.accent{ color: var(--amber); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal-hi);
  margin: 0 0 .9em;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--amber); color: var(--ink-950); padding: 10px 16px;
  border-radius: 0 0 8px 0; font-family: var(--font-mono); font-size: .85rem; z-index: 200;
}
.skip-link:focus{ left:0; top:0; }

a{ color: inherit; }
:focus-visible{ outline: 2px solid var(--amber-hi); outline-offset: 3px; border-radius: 4px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-size: .88rem; letter-spacing: .01em;
  padding: 13px 22px; border-radius: 999px; text-decoration:none;
  border: 1px solid transparent; transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--amber); color: var(--ink-950); font-weight: 600; }
.btn-primary:hover{ background: var(--amber-hi); }
.btn-secondary{ background: transparent; border-color: var(--line); color: var(--text-hi); }
.btn-secondary:hover{ border-color: var(--teal); color: var(--teal-hi); }
.btn-ghost{ background: transparent; color: var(--text-mid); border: 1px solid var(--line); font-size: .85rem; padding: 9px 16px; }
.btn-ghost:hover{ border-color: var(--teal); color: var(--teal-hi); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(13,18,24,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; gap: 28px; padding: 14px 24px; }
.brand{ display:flex; align-items:center; gap:14px; text-decoration:none; margin-right: auto; }
.brand-logo{ display:block; width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; }
.brand-domain{
  font-family: var(--font-mono); font-size: .92rem; letter-spacing: .01em; color: var(--text-mid);
}

.main-nav{ display:flex; gap: 26px; }
.main-nav a{ text-decoration:none; color: var(--text-mid); font-size: .93rem; transition: color .15s ease; }
.main-nav a:hover{ color: var(--text-hi); }

.header-call{ display:inline-flex; }
.nav-toggle{ display:none; }

.mobile-nav{
  display:none; flex-direction:column; padding: 6px 24px 18px;
  border-top: 1px solid var(--line);
}
.mobile-nav a{ padding: 12px 0; text-decoration:none; color: var(--text-mid); border-bottom: 1px solid var(--line); font-size: .95rem; }
.mobile-nav a:last-child{ border-bottom:none; color: var(--amber-hi); font-family: var(--font-mono); }

/* =========================================================
   HERO
   ========================================================= */
.hero{ padding: 76px 0 90px; }
.hero-inner{
  display:grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items:center;
}
.hero-lead{ max-width: 46ch; font-size: 1.05rem; }

.tagline{ border-left: 2px solid var(--line); padding-left: 18px; margin: 4px 0 32px; }
.tagline-line{ margin: 0 0 6px; line-height: 1.4; }
.tagline-line:last-child{ margin-bottom: 0; }
.tagline-ict{
  font-family: var(--font-mono); font-size: .84rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--teal-hi);
}
.tagline-cosi{
  font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; color: var(--mint-hi);
}

.hero-actions{ display:flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

/* --- signature element: diagnostic panel --- */
.diagnostic-panel{
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.6);
}
.panel-head{
  display:flex; align-items:center; gap:8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--ink-700);
}
.panel-dot{ width:9px; height:9px; border-radius:50%; background: var(--ink-600); }
.panel-title{ margin-left: 8px; font-family: var(--font-mono); font-size: .78rem; color: var(--text-low); }

.panel-lines{ list-style:none; margin:0; padding: 22px 20px 26px; min-height: 190px; }
.panel-lines li{
  font-family: var(--font-mono); font-size: .92rem; color: var(--text-low);
  white-space: pre; overflow:hidden; width: 0; margin-bottom: 10px;
}
.panel-lines li[data-status="ok"]{ color: var(--teal-hi); }
.panel-lines li[data-status="ready"]{ color: var(--ok); font-weight: 600; margin-top: 6px; }

/* typing reveal, driven by JS adding .run */
.panel-lines.run li{
  animation: reveal-line .55s steps(30, end) forwards;
  border-right: 2px solid var(--amber);
}
.panel-lines.run li:nth-child(1){ animation-delay: .1s; }
.panel-lines.run li:nth-child(2){ animation-delay: .8s; }
.panel-lines.run li:nth-child(3){ animation-delay: 1.35s; }
.panel-lines.run li:nth-child(4){ animation-delay: 1.9s; }
.panel-lines.run li:nth-child(5){ animation-delay: 2.45s; }
.panel-lines.run li:nth-child(6){ animation-delay: 3.05s; }

@keyframes reveal-line{
  to{ width: 100%; border-right-color: transparent; }
}

/* reduced-motion / no-js fallback: show full text immediately */
.panel-lines:not(.run) li,
.no-js .panel-lines li{
  width: auto;
}

/* =========================================================
   TRUST STRIP
   ========================================================= */
.trust-strip{ background: var(--ink-800); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip-inner{
  display:flex; flex-wrap:wrap; justify-content:center; gap: 10px 28px;
  padding: 18px 24px; font-family: var(--font-mono); font-size: .84rem; color: var(--text-mid);
}
.trust-item{ display:flex; align-items:center; gap: 8px; white-space: nowrap; }
.trust-check{ color: var(--mint-hi); font-size: .8rem; }

/* =========================================================
   POURQUOI ICT COSI
   ========================================================= */
.why{ padding: 84px 0; border-bottom: 1px solid var(--line); }
.why-inner{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items:center; }
.why-text h2{ max-width: 20ch; }
.why-text p{ max-width: 52ch; }

.why-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 14px; }
.why-list li{
  display:flex; align-items:center; gap: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; color: var(--text-hi);
  background: var(--ink-800); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px;
}
.why-check{
  display:inline-flex; align-items:center; justify-content:center;
  width: 26px; height: 26px; border-radius: 50%; flex-shrink:0;
  background: rgba(79,203,147,0.15); color: var(--mint-hi); font-size: .95rem;
}

/* =========================================================
   SERVICES
   ========================================================= */
.services{ padding: 40px 0 100px; border-top: 1px solid var(--line); }
.services h2{ max-width: 26ch; }

.service-category{ margin-top: 48px; }
.service-category:first-of-type{ margin-top: 40px; }
.category-title{
  display:flex; align-items:center; gap: 12px;
  font-family: var(--font-mono); font-size: .95rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--teal-hi); font-weight: 500; margin-bottom: 20px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.category-index{
  font-size: .8rem; color: var(--text-low); border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 9px;
}

.category-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.category-grid-2{ grid-template-columns: repeat(2, 1fr); }
.category-grid-3{ grid-template-columns: repeat(3, 1fr); }

.service-card{
  background: var(--ink-800); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; position:relative; transition: border-color .15s ease, transform .15s ease;
}
.service-card:hover{ border-color: var(--teal); transform: translateY(-2px); }
.status-dot{
  display:inline-block; width:8px; height:8px; border-radius:50%;
  background: var(--ok); margin-bottom: 12px; box-shadow: 0 0 0 3px rgba(79,203,147,0.15);
}
.service-card h4{ font-family: var(--font-display); font-weight: 600; font-size: 1rem; margin: 0 0 .4em; color: var(--text-hi); }
.service-card p{ font-size: .91rem; margin:0; }

/* =========================================================
   CONSULTANCE
   ========================================================= */
.consultance{ padding: 80px 0; background: var(--ink-800); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.consultance-inner{ display:grid; grid-template-columns: 1.3fr .7fr; gap: 50px; align-items:start; }
.consultance-text h2{ max-width: 22ch; }
.consultance-text p{ max-width: 58ch; }

.link-arrow{ font-family: var(--font-mono); font-size: .9rem; text-decoration:none; color: var(--amber-hi); display:inline-block; margin-top: 6px; }
.link-arrow:hover{ color: var(--amber); }

.consultance-tags{ display:flex; flex-direction:column; gap: 10px; padding-top: 8px; }
.consultance-tags span{
  font-family: var(--font-mono); font-size: .82rem; color: var(--teal-hi);
  border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px; text-align:center;
}

/* =========================================================
   ORGANISATION / ITIL
   ========================================================= */
.organisation{ padding: 90px 0; }
.organisation-lead{ max-width: 62ch; font-size: 1.02rem; }

.itil-list{
  list-style:none; margin: 34px 0 0; padding:0;
  display:grid; grid-template-columns: 1fr 1fr; gap: 0 40px;
  border-top: 1px solid var(--line);
}
.itil-list li{
  font-size: .95rem; color: var(--text-mid);
  padding: 16px 0; border-bottom: 1px solid var(--line);
  position: relative; padding-left: 22px;
}
.itil-list li::before{
  content: ""; position:absolute; left:0; top: 24px;
  width: 8px; height: 1px; background: var(--teal);
}

/* =========================================================
   QR CODES
   ========================================================= */
.qr-section{ padding: 90px 0; border-top: 1px solid var(--line); }
.qr-inner{ display:grid; grid-template-columns: 1fr auto; gap: 50px; align-items:center; }
.qr-intro{ max-width: 48ch; }
.qr-intro h2{ max-width: 20ch; }

.qr-cards{ display:flex; gap: 22px; }
.qr-card{
  background: var(--ink-800); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display:flex; flex-direction:column; align-items:center; gap: 10px;
  min-width: 200px; transition: border-color .15s ease, transform .15s ease;
}
.qr-card:hover{ border-color: var(--teal); transform: translateY(-2px); }
.qr-image{
  background: #FFFFFF; border-radius: 8px; padding: 12px; line-height: 0;
}
.qr-image img{ display:block; width: 150px; height: 150px; }
.qr-label{ font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--teal-hi); margin-top: 6px; }
.qr-value{ font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--text-hi); }

/* =========================================================
   CONTACT
   ========================================================= */
.contact{ padding: 90px 0 100px; border-top: 1px solid var(--line); background: var(--ink-800); }
.contact-intro{ max-width: 56ch; margin-bottom: 44px; }

.contact-cards{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-card{
  display:flex; flex-direction:column; gap: 8px;
  background: var(--ink-900); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 20px 22px; text-decoration:none; transition: border-color .15s ease, transform .15s ease;
}
a.contact-card:hover{ border-color: var(--amber); transform: translateY(-2px); }
.contact-label{ font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-low); }
.contact-value{ font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--text-hi); }
.contact-card-static{ cursor: default; }

/* =========================================================
   LEGAL PAGES
   ========================================================= */
.legal-page{ padding: 64px 0 90px; }
.legal-wrap{ max-width: 760px; }
.legal-wrap h1{ font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin-bottom: .6em; }
.legal-wrap section{ margin-bottom: 36px; }
.legal-wrap h2{ font-size: 1.1rem; color: var(--teal-hi); margin-bottom: .5em; }
.legal-wrap p{ font-size: .96rem; }
.legal-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 8px; }
.legal-list li{ font-size: .96rem; color: var(--text-mid); }
.legal-list strong{ color: var(--text-hi); font-weight: 500; }
.legal-updated{ font-family: var(--font-mono); font-size: .8rem; color: var(--text-low); margin-top: 40px; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ padding: 26px 0 40px; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 14px; }
.footer-inner{ font-family: var(--font-mono); font-size: .8rem; color: var(--text-low); }
.footer-inner a{ text-decoration:none; color: var(--text-low); }
.footer-inner a:hover{ color: var(--teal-hi); }
.footer-links{ display:flex; gap: 20px; flex-wrap: wrap; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .why-inner{ grid-template-columns: 1fr; }
  .category-grid, .category-grid-2, .category-grid-3{ grid-template-columns: repeat(2, 1fr); }
  .consultance-inner{ grid-template-columns: 1fr; }
  .consultance-tags{ flex-direction:row; flex-wrap: wrap; }
  .consultance-tags span{ flex: 1 1 auto; }
  .contact-cards{ grid-template-columns: repeat(2, 1fr); }
  .qr-inner{ grid-template-columns: 1fr; }
  .qr-cards{ justify-content: center; }
}

@media (max-width: 720px){
  .main-nav{ display:none; }
  .header-call{ display:none; }
  .brand-domain{ display:none; }
  .brand-logo{ width: 48px; height: 48px; }
  .nav-toggle{
    display:flex; flex-direction:column; justify-content:center; gap:5px;
    width: 38px; height: 38px; background:none; border: 1px solid var(--line); border-radius: 8px; cursor:pointer;
  }
  .nav-toggle span{ display:block; width: 18px; height: 2px; background: var(--text-hi); margin: 0 auto; }
  .mobile-nav.open{ display:flex; }
  .itil-list{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .category-grid, .category-grid-2, .category-grid-3{ grid-template-columns: 1fr; }
  .contact-cards{ grid-template-columns: 1fr; }
  .hero{ padding: 50px 0 60px; }
  .qr-cards{ flex-direction: column; width: 100%; }
  .qr-card{ width: 100%; }
}