/* =========================================================
   2KC Services — stylesheet
   Palette drawn from the 2KC brand (logo + offer deck):
   navy #14205A / #1F3C88, orange #E96731, gold #EEB82E
   ========================================================= */

:root{
  --navy-900:#0B1220;
  --navy-800:#141C3A;
  --navy-700:#1F3C88;
  --navy-600:#2B4FA6;
  --orange-600:#E96731;
  --orange-500:#F0813F;
  --gold-500:#EEB82E;
  --ink:#1B1F2A;
  --gray-600:#5B6472;
  --gray-300:#D9DEE8;
  --bg-soft:#F5F7FB;
  --white:#FFFFFF;

  --gradient-accent:linear-gradient(135deg,#F7B733 0%,#E96731 55%,#D8451F 100%);
  --gradient-navy:linear-gradient(135deg,#1F3C88 0%,#141C3A 100%);

  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(20,28,58,.06);
  --shadow-md:0 12px 30px rgba(20,28,58,.10);
  --shadow-lg:0 24px 60px rgba(11,18,32,.18);

  --container-w:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Poppins',system-ui,sans-serif;
  line-height:1.2;
  margin:0 0 .5em;
  color:var(--navy-800);
}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}

.container{
  width:100%;
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  /*border:2px solid transparent;*/
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:var(--gradient-accent);
  color:var(--white);
  box-shadow:0 10px 24px rgba(233,103,49,.35);
}
.btn-primary:hover{box-shadow:0 14px 28px rgba(233,103,49,.45)}
.btn-outline{
  border-color:rgba(255,255,255,.55);
  color:var(--white);
  background:rgba(255,255,255,.06);
}
.btn-outline:hover{background:rgba(255,255,255,.16)}
.btn-sm{padding:10px 20px;font-size:.85rem}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid rgba(20,28,58,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  padding:12px 24px;
}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand img{height:50px;width:auto}
.brand-text{font-family:'Poppins',sans-serif;font-weight:600;color:var(--navy-800);font-size:1.05rem}
.brand-text strong{color:var(--orange-600)}

.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  font-weight:500;
  font-size:.95rem;
  color:var(--navy-800);
  position:relative;
  padding:6px 2px;
}
.main-nav a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;
  background:var(--gradient-accent);
  transition:width .2s ease;
}
.main-nav a:hover::after{width:100%}

.header-cta{margin-left:6px}
.nav-toggle{
  display:none;
  background:none;border:none;
  color:var(--navy-800);
  padding:6px;
}

/* ---------- hero ---------- */
.hero{
  background-size:cover;
  background-position:center;
  color:var(--white);
  padding:150px 0 110px;
  position:relative;
}
.hero-inner{max-width:720px}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-weight:600;
  font-size:.8rem;
  color:var(--gold-500);
  margin-bottom:14px;
}
.hero h1{
  font-size:clamp(2.2rem,5vw,3.4rem);
  color:var(--white);
  margin-bottom:.4em;
}
.hero h1 span{
  background:var(--gradient-accent);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:1.1rem;
  color:rgba(255,255,255,.86);
  max-width:600px;
  margin-bottom:2em;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-soft)}
.section-dark{
  background:var(--gradient-navy);
  color:rgba(255,255,255,.92);
}
.section-dark h2, .section-dark h3{color:var(--white)}

.section-head{max-width:680px;margin-bottom:56px}
.kicker{
  text-transform:uppercase;
  letter-spacing:.14em;
  font-weight:700;
  font-size:.78rem;
  color:var(--orange-600);
  margin-bottom:10px;
}
.kicker-light{color:var(--gold-500)}
.section-head h2{font-size:clamp(1.6rem,3.2vw,2.2rem)}
.section-intro{color:var(--gray-600);font-size:1.05rem;margin-bottom:0}
.section-intro.light{color:rgba(255,255,255,.75)}

/* ---------- entreprise / about ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
  margin-bottom:64px;
}
.lead-text{font-size:1.15rem;font-weight:500;color:var(--navy-800)}
.about-media img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  aspect-ratio:4/5;
  object-fit:cover;
  width:100%;
}

.values-row{display:grid;gap:22px;margin-top:32px}
.value-item{display:flex;gap:16px;align-items:flex-start}
.value-icon{
  flex:none;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--gradient-accent);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
}
.value-item h3{font-size:1.05rem;margin-bottom:.25em}
.value-item p{color:var(--gray-600);margin:0;font-size:.96rem}

.mv-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.mv-card{
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-sm);
}
.mv-card h3{color:var(--orange-600);font-size:1.15rem}
.mv-card p{color:var(--gray-600);margin:0}

/* ---------- activités / tabs ---------- */
.activ-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
}
.activ-tab{
  display:flex;align-items:center;gap:10px;
  background:var(--white);
  border:1.5px solid var(--gray-300);
  color:var(--navy-800);
  padding:12px 20px 12px 14px;
  border-radius:999px;
  font-weight:600;
  font-size:.92rem;
  position:relative;
  transition:all .18s ease;
}
.tab-icon{
  width:30px;height:30px;
  border-radius:50%;
  background:var(--bg-soft);
  color:var(--navy-700);
  display:flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.activ-tab:hover{border-color:var(--orange-500);color:var(--orange-600)}
.activ-tab.is-active{
  background:var(--gradient-navy);
  border-color:transparent;
  color:var(--white);
  box-shadow:var(--shadow-md);
}
.activ-tab.is-active .tab-icon{background:rgba(255,255,255,.15);color:var(--white)}
.tab-badge{
  background:var(--gradient-accent);
  color:var(--white);
  font-size:.68rem;
  font-weight:700;
  padding:2px 8px;
  border-radius:999px;
  margin-left:2px;
}

.activ-panel{display:none}
.activ-panel.is-active{display:block;animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

.panel-head{
  display:flex;
  gap:20px;
  align-items:center;
  margin-bottom:32px;
  padding-bottom:28px;
  border-bottom:1px solid var(--gray-300);
}
.panel-icon{
  flex:none;
  width:64px;height:64px;
  border-radius:18px;
  background:var(--gradient-navy);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
}
.panel-icon-accent{background:var(--gradient-accent)}
.panel-head h3{font-size:1.5rem;margin-bottom:.15em;display:flex;align-items:center;gap:10px}
.panel-head p{color:var(--gray-600);margin:0}
.tag-new{
  font-size:.62rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  background:var(--gradient-accent);
  color:var(--white);
  padding:3px 9px;
  border-radius:999px;
  font-weight:700;
  vertical-align:middle;
}

.panel-cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:22px;
}
.panel-card{
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:var(--radius-md);
  padding:24px;
  transition:box-shadow .18s ease, transform .18s ease;
}
.panel-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.panel-card h4{font-size:1.02rem;margin-bottom:.6em;color:var(--navy-800)}
.card-sub{display:block;font-size:.72rem;font-weight:500;color:var(--gray-600);margin-top:2px}
.panel-card ul li{
  position:relative;
  padding-left:20px;
  font-size:.9rem;
  color:var(--gray-600);
  margin-bottom:8px;
}
.panel-card ul li:last-child{margin-bottom:0}
.panel-card ul li::before{
  content:"";
  position:absolute;left:0;top:.55em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--gradient-accent);
}

/* ---------- pourquoi 2kc ---------- */
.why-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.why-card{
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
}
.why-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:var(--bg-soft);
  color:var(--orange-600);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.why-card h3{font-size:1.05rem}
.why-card p{color:var(--gray-600);font-size:.92rem;margin:0}

/* ---------- contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:64px;
  align-items:start;
}
.contact-list{margin:32px 0 40px;display:grid;gap:16px}
.contact-list li{display:flex;align-items:center;gap:14px}
.contact-ico{
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  color:var(--gold-500);
  display:flex;align-items:center;justify-content:center;
  flex:none;
}
.contact-list a{font-weight:600;font-size:1.02rem}
.contact-list a:hover{color:var(--gold-500)}
.footer-logo img{opacity:.9}

.contact-form{
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:var(--shadow-lg);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{margin-bottom:18px}
.form-field label{
  display:block;
  font-size:.85rem;
  font-weight:600;
  color:var(--navy-800);
  margin-bottom:6px;
}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:12px 14px;
  border:1.5px solid var(--gray-300);
  border-radius:var(--radius-sm);
  font:inherit;
  color:var(--ink);
  background:var(--white);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--orange-500);
  box-shadow:0 0 0 3px rgba(233,103,49,.15);
}
.form-field textarea{resize:vertical}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-status{
  margin:14px 0 0;
  font-size:.9rem;
  font-weight:600;
  min-height:1.2em;
}
.form-status.ok{color:#1f9d55}
.form-status.err{color:#d64545}

/* ---------- footer ---------- */
.site-footer{
  background:var(--navy-900);
  color:rgba(255,255,255,.6);
  padding:26px 0;
  font-size:.85rem;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.footer-links{display:flex;gap:20px;margin:0}
.footer-links a:hover{color:var(--white)}

.back-to-top{
  position:fixed;
  right:22px;bottom:22px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--gradient-navy);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:all .25s ease;
  z-index:90;
}
.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:960px){
  .about-grid{grid-template-columns:1fr}
  .about-media{order:-1}
  .mv-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:40px}
}

@media (max-width:800px){
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(78vw,320px);
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:100px 32px 32px;
    box-shadow:-10px 0 40px rgba(11,18,32,.15);
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav a{padding:12px 0;font-size:1.05rem;width:100%}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding:130px 0 80px}
  .section{padding:72px 0}
  .why-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:26px}
}

@media (max-width:520px){
  .header-inner{padding:10px 16px}
  .brand-text{display:none}
  .hero-actions{flex-direction:column;align-items:stretch}
  .activ-tabs{gap:8px}
  .activ-tab{padding:10px 16px 10px 10px;font-size:.85rem}
}

/* print-friendly nicety */
@media print{
  .site-header,.back-to-top,.nav-toggle{display:none}
}