/* ============================================================
   CTE-TOGO — Centre de Technologie et d'Énergie
   Design system: "panneau de contrôle" — industrial signage,
   circuit schematics, hazard-stripe accents.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Work+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:        #14171a;
  --ink-soft:   #262b2f;
  --paper:      #eef1f0;
  --paper-2:    #e2e7e4;
  --card:       #ffffff;
  --amber:      #f2a900;
  --amber-dark: #c78600;
  --teal:       #12726c;
  --teal-light: #1c948c;
  --rust:       #c1391f;
  --line:       rgba(20,23,26,0.14);

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

  --wrap: 1180px;
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; }
.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 28px; }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  background:var(--amber);
  display:inline-block;
}

/* ---------- hazard stripe band (signature element) ---------- */
.hazard{
  height:10px;
  background-image:repeating-linear-gradient(
    -45deg,
    var(--amber) 0 18px,
    var(--ink) 18px 36px
  );
}

/* ============ HEADER ============ */
.site-header{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 28px;
  max-width:var(--wrap);
  margin:0 auto;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--paper);
}
.brand img{
  width:38px; height:38px;
  object-fit:contain;
  filter:brightness(0) invert(1);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-text strong{
  font-family:var(--display);
  font-size:1.05rem;
  letter-spacing:.01em;
}
.brand-text span{
  font-family:var(--mono);
  font-size:.66rem;
  letter-spacing:.08em;
  color:var(--amber);
  text-transform:uppercase;
}
nav.main-nav{
  display:flex;
  gap:2px;
}
nav.main-nav a{
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--paper);
  padding:10px 14px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
nav.main-nav a:hover{ color:var(--amber); }
nav.main-nav a.is-active{
  border-color:var(--amber);
  color:var(--amber);
}
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--paper);
  color:var(--paper);
  width:42px; height:38px;
  cursor:pointer;
  border-radius:var(--radius);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  display:block;
  width:18px; height:2px;
  background:var(--paper);
  margin:0 auto;
  position:relative;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 880px){
  nav.main-nav{
    position:absolute;
    top:100%; left:0; right:0;
    background:var(--ink);
    flex-direction:column;
    padding:6px 28px 18px;
    display:none;
  }
  nav.main-nav.is-open{ display:flex; }
  nav.main-nav a{ padding:12px 0; border-bottom:1px solid rgba(255,255,255,.1); }
  .nav-toggle{ display:block; }
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--mono);
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase;
  text-decoration:none;
  padding:14px 24px;
  border-radius:var(--radius);
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .12s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{
  background:var(--amber);
  color:var(--ink);
  border-color:var(--amber);
}
.btn-primary:hover{ background:var(--ink); color:var(--amber); border-color:var(--amber); }
.btn-ghost{
  background:transparent;
  color:var(--paper);
  border-color:rgba(238,241,240,.4);
}
.btn-ghost:hover{ border-color:var(--amber); color:var(--amber); }
.btn-dark{
  background:var(--ink);
  color:var(--paper);
  border-color:var(--ink);
}
.btn-dark:hover{ background:var(--teal); border-color:var(--teal); }
.btn-block{ width:100%; justify-content:center; }

/* ============ HERO ============ */
.hero{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(238,241,240,.14) 1px, transparent 0);
  background-size:26px 26px;
}
.hero-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:72px 28px 60px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem, 4.4vw, 3.4rem);
  color:#fff;
}
.hero h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero p.lead{
  font-size:1.08rem;
  color:rgba(238,241,240,.82);
  max-width:46ch;
}
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:22px 0 30px;
}
.chip{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:1px solid rgba(238,241,240,.3);
  padding:7px 12px;
  border-radius:20px;
  color:var(--paper);
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-media{
  position:relative;
}
.hero-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border:3px solid var(--amber);
}
.hero-media .tag{
  position:absolute;
  bottom:-16px; left:-16px;
  background:var(--amber);
  color:var(--ink);
  font-family:var(--mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:10px 14px;
  border:3px solid var(--ink);
}
@media (max-width:880px){
  .hero-inner{ grid-template-columns:1fr; padding-top:44px; }
  .hero-media{ order:-1; max-width:340px; }
}

/* ============ SECTION ============ */
section{ padding:74px 0; }
.section-head{
  max-width:640px;
  margin-bottom:40px;
}
.section-head h2{ font-size:clamp(1.7rem,3vw,2.3rem); margin-top:.4em; }
.section-alt{ background:var(--card); }
.section-dark{ background:var(--ink); color:var(--paper); }
.section-dark .eyebrow{ color:var(--amber); }
.section-dark .eyebrow::before{ background:var(--teal-light); }

/* ============ STATS METER ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{
  padding:30px 24px;
  text-align:center;
  border-right:1px solid var(--line);
}
.stat:last-child{ border-right:none; }
.stat .num{
  font-family:var(--mono);
  font-weight:600;
  font-size:clamp(2rem,4vw,2.8rem);
  color:var(--teal);
  font-variant-numeric:tabular-nums;
}
.stat .label{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:6px;
}
@media (max-width:640px){
  .stat-strip{ grid-template-columns:1fr; }
  .stat{ border-right:none; border-bottom:1px solid var(--line); }
  .stat:last-child{ border-bottom:none; }
}

/* ============ POLE GRID (formation areas) ============ */
.pole-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.pole{
  background:var(--card);
  padding:26px 22px;
  min-height:150px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.pole .ic{ font-size:1.6rem; }
.pole h3{
  font-family:var(--display);
  font-size:1.02rem;
  margin:14px 0 0;
}
@media (max-width:880px){ .pole-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .pole-grid{ grid-template-columns:1fr; } }

/* ============ TWO COL FEATURE ============ */
.split{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:56px;
  align-items:center;
}
.split.reverse .split-media{ order:2; }
.split-media img{
  border:1px solid var(--line);
}
.split ul.checklist{ margin-top:18px; }
.checklist li{
  list-style:none;
  padding:10px 0 10px 30px;
  position:relative;
  border-top:1px solid var(--line);
  font-size:.98rem;
}
.checklist li:first-child{ border-top:none; }
.checklist li::before{
  content:"⚡";
  position:absolute;
  left:0; top:9px;
  color:var(--amber-dark);
}
@media (max-width:880px){
  .split{ grid-template-columns:1fr; }
  .split.reverse .split-media{ order:0; }
}

/* ============ VALUES CARDS ============ */
.value-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.value-card{
  background:var(--card);
  border:1px solid var(--line);
  border-top:4px solid var(--teal);
  padding:24px 20px;
}
.value-card h3{ font-size:1rem; margin-top:.3em; }
.value-card p{ font-size:.92rem; color:var(--ink-soft); margin-bottom:0; }
@media (max-width:880px){ .value-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .value-grid{ grid-template-columns:1fr; } }

/* ============ FILIERE (formation cards) ============ */
.filiere{
  background:var(--card);
  border:1px solid var(--line);
  padding:34px;
  position:relative;
}
.filiere + .filiere{ margin-top:22px; }
.filiere-num{
  font-family:var(--mono);
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--amber-dark);
  text-transform:uppercase;
}
.filiere h3{ font-size:1.4rem; margin:.3em 0 .2em; }
.filiere .duration{
  font-family:var(--mono);
  font-size:.82rem;
  color:var(--teal);
  margin-bottom:16px;
  display:block;
}
.filiere ul{ margin-bottom:20px; }
.filiere ul li{
  list-style:none;
  padding-left:22px;
  position:relative;
  margin-bottom:8px;
}
.filiere ul li::before{
  content:"—";
  position:absolute; left:0; color:var(--amber-dark);
}

.notice-band{
  background:var(--amber);
  color:var(--ink);
  font-family:var(--mono);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.03em;
  text-align:center;
  padding:14px 20px;
}

/* ============ DOWNLOAD LIST ============ */
.doc-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.doc-item{
  background:var(--card);
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.94rem;
}
.doc-item .dl{
  font-family:var(--mono);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.05em;
  color:var(--teal);
  text-decoration:none;
  white-space:nowrap;
}
.doc-item .dl:hover{ color:var(--amber-dark); }
@media (max-width:640px){ .doc-list{ grid-template-columns:1fr; } }

/* ============ FORMS ============ */
form.panel{
  background:var(--card);
  border:1px solid var(--line);
  padding:34px;
}
.field-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{ margin-bottom:18px; }
.field.full{ grid-column:1/-1; }
.field label{
  display:block;
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-bottom:6px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:var(--body);
  font-size:.98rem;
  padding:12px 14px;
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--ink);
  border-radius:var(--radius);
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--teal);
  background:#fff;
}
.radio-row{ display:flex; gap:20px; }
.radio-row label{
  display:flex; align-items:center; gap:8px;
  font-family:var(--body); font-size:.94rem;
  text-transform:none; letter-spacing:0; color:var(--ink);
}
.radio-row input{ width:auto; }
.form-note{
  font-size:.82rem;
  color:var(--ink-soft);
  margin-top:14px;
}
@media (max-width:640px){ .field-grid{ grid-template-columns:1fr; } }

/* ============ GALLERY ============ */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.gallery-grid figure{
  margin:0;
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
}
.gallery-grid img{
  width:100%; height:100%;
  aspect-ratio:4/3.4;
  object-fit:cover;
  transition:transform .3s ease;
}
.gallery-grid a:hover img{ transform:scale(1.05); }
.gallery-grid figcaption{
  position:absolute; left:0; right:0; bottom:0;
  background:linear-gradient(to top, rgba(20,23,26,.85), transparent);
  color:#fff;
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:22px 14px 12px;
}
@media (max-width:880px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .gallery-grid{ grid-template-columns:1fr; } }

/* ============ LOCATION ============ */
.loc-card{
  background:var(--card);
  border:1px solid var(--line);
  padding:30px;
}
.loc-card h3{ font-size:1.1rem; }

/* ============ CTA BAND ============ */
.cta-band{
  background:var(--teal);
  color:#fff;
  text-align:center;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:rgba(255,255,255,.85); max-width:56ch; margin-left:auto; margin-right:auto; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:26px; }

/* ============ FOOTER ============ */
footer.site-footer{
  background:var(--ink);
  color:rgba(238,241,240,.78);
  padding:56px 0 22px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .8fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(238,241,240,.14);
}
.footer-brand{
  display:flex; align-items:center; gap:10px;
  color:#fff; font-family:var(--display); font-size:1.05rem; margin-bottom:14px;
}
.footer-brand img{ width:30px; filter:brightness(0) invert(1); }
.footer-col h4{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--amber);
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  text-decoration:none;
  color:inherit;
  font-size:.92rem;
  margin-bottom:10px;
}
.footer-col a:hover{ color:var(--amber); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  padding-top:20px;
  font-size:.8rem;
}
.social-row{ display:flex; gap:14px; }
.social-row a{
  width:34px; height:34px;
  border:1px solid rgba(238,241,240,.3);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.social-row img{ width:16px; height:16px; }
@media (max-width:880px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

/* ============ MISC PAGE HEADER (interior pages) ============ */
.page-hero{
  background:var(--ink);
  color:#fff;
  padding:56px 0 44px;
}
.page-hero h1{ color:#fff; font-size:clamp(1.9rem,4vw,2.7rem); margin-top:.35em; }
.page-hero p{ color:rgba(238,241,240,.78); max-width:60ch; }

/* misc text helpers */
.lede{ font-size:1.06rem; color:var(--ink-soft); max-width:62ch; }
.two-col-text{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
@media (max-width:760px){ .two-col-text{ grid-template-columns:1fr; } }