/* ============ Worlenix — Conseil stratégique d'altitude ============ */
:root{
  --concrete:#F5F6F8;
  --concrete-2:#EAEDF2;
  --sky:#D6E4F5;
  --cobalt:#1B4DD6;
  --cobalt-deep:#0A2A8C;
  --aluminum:#9AA7B8;
  --ink:#0C1424;
  --ink-soft:#3A4458;
  --white:#FFFFFF;
  --line:rgba(12,20,36,.12);
  --shadow:0 18px 48px -24px rgba(10,42,140,.45);
  --r:14px;
  --maxw:1180px;
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--concrete);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.08;letter-spacing:-.02em;font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.32em;
  font-size:.72rem;
  font-weight:600;
  color:var(--cobalt);
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--cobalt)}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:.25s ease;
}
.btn-primary{background:var(--cobalt);color:#fff}
.btn-primary:hover{background:var(--cobalt-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--cobalt);color:var(--cobalt)}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,246,248,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:700;font-size:1.22rem;letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:.2s}
.nav-links a:hover{color:var(--cobalt)}
.nav-cta{display:flex;align-items:center;gap:8px}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.burger span{width:24px;height:2px;background:var(--ink);display:block;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:90px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);margin:22px 0 20px}
.hero h1 em{font-style:normal;color:var(--cobalt)}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:30em;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:520px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
.altitude-tag{
  position:absolute;left:-18px;bottom:34px;
  background:#fff;border-radius:16px;padding:18px 22px;
  box-shadow:var(--shadow);border:1px solid var(--line);
  display:flex;align-items:center;gap:16px;
}
.altitude-tag .num{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--cobalt);line-height:1}
.altitude-tag .lbl{font-size:.78rem;color:var(--ink-soft);max-width:11em}

/* ---------- Trust strip ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--concrete-2)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:34px 0}
.strip-grid .cell{text-align:center;border-right:1px solid var(--line)}
.strip-grid .cell:last-child{border-right:none}
.strip-grid .num{font-family:var(--font-display);font-size:2.2rem;font-weight:700;color:var(--ink)}
.strip-grid .lbl{font-size:.82rem;color:var(--ink-soft);letter-spacing:.04em}

/* ---------- Section base ---------- */
section{padding:96px 0}
.sec-head{max-width:46em;margin-bottom:54px}
.sec-head h2{font-size:clamp(2rem,3.6vw,2.9rem);margin:18px 0 16px}
.sec-head p{color:var(--ink-soft);font-size:1.06rem}

/* ---------- Services ---------- */
.services{background:var(--white)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{
  border:1px solid var(--line);border-radius:var(--r);padding:30px;
  background:var(--concrete);transition:.3s;position:relative;overflow:hidden;
}
.svc::before{content:attr(data-alt);position:absolute;top:18px;right:22px;font-family:var(--font-display);font-size:.74rem;letter-spacing:.18em;color:var(--aluminum)}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.svc .ico{width:52px;height:52px;border-radius:12px;background:var(--sky);display:grid;place-items:center;margin-bottom:18px}
.svc .ico svg{width:26px;height:26px;stroke:var(--cobalt-deep)}
.svc h3{font-size:1.28rem;margin-bottom:10px}
.svc p{color:var(--ink-soft);font-size:.96rem}

/* ---------- Approach / process ---------- */
.approach{background:var(--ink);color:var(--concrete)}
.approach .eyebrow{color:var(--sky)}
.approach .eyebrow::before{background:var(--sky)}
.approach .sec-head h2{color:#fff}
.approach .sec-head p{color:#B9C4D8}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden}
.step{background:var(--ink);padding:34px 26px;transition:.3s}
.step:hover{background:#10192e}
.step .alt{font-family:var(--font-display);font-size:.78rem;letter-spacing:.16em;color:var(--sky)}
.step h3{color:#fff;font-size:1.18rem;margin:14px 0 10px}
.step p{color:#9FB0C9;font-size:.92rem}

/* ---------- Split feature ---------- */
.split{background:var(--white)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{width:100%;height:460px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}
.split ul{list-style:none;margin-top:24px;display:grid;gap:16px}
.split li{display:flex;gap:14px;align-items:flex-start}
.split li svg{flex:0 0 22px;width:22px;height:22px;stroke:var(--cobalt);margin-top:3px}
.split li b{font-family:var(--font-display);display:block;margin-bottom:2px}
.split li span{color:var(--ink-soft);font-size:.95rem}

/* ---------- Pricing ---------- */
.pricing{background:var(--concrete-2)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 30px;
  display:flex;flex-direction:column;transition:.3s;position:relative;
}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plan.featured{border-color:var(--cobalt);box-shadow:var(--shadow)}
.plan .tier{font-family:var(--font-display);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;color:var(--cobalt)}
.plan .badge{position:absolute;top:-13px;left:30px;background:var(--cobalt);color:#fff;font-family:var(--font-display);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:100px}
.plan .price{font-family:var(--font-display);font-size:2.7rem;font-weight:700;margin:16px 0 4px;color:var(--ink)}
.plan .price small{font-size:1rem;font-weight:500;color:var(--ink-soft)}
.plan .desc{color:var(--ink-soft);font-size:.92rem;margin-bottom:22px;min-height:42px}
.plan ul{list-style:none;display:grid;gap:12px;margin-bottom:28px}
.plan li{display:flex;gap:10px;font-size:.93rem;color:var(--ink-soft)}
.plan li svg{width:18px;height:18px;stroke:var(--cobalt);flex:0 0 18px;margin-top:3px}
.plan .btn{justify-content:center;margin-top:auto;width:100%}
.price-note{text-align:center;margin-top:26px;color:var(--ink-soft);font-size:.88rem}

/* ---------- Contact ---------- */
.contact{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.contact-info .item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.contact-info .item svg{width:24px;height:24px;stroke:var(--cobalt);flex:0 0 24px;margin-top:3px}
.contact-info .item b{font-family:var(--font-display);display:block}
.contact-info .item span,.contact-info .item a{color:var(--ink-soft);font-size:.95rem}
.contact-info .item a:hover{color:var(--cobalt)}
form{display:grid;gap:18px;background:var(--concrete);padding:34px;border-radius:18px;border:1px solid var(--line)}
.field{display:grid;gap:7px}
.field label{font-family:var(--font-display);font-size:.82rem;font-weight:500}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:.95rem;padding:13px 15px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px rgba(27,77,214,.12)}
.field textarea{resize:vertical;min-height:110px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--ink-soft)}
.consent input{margin-top:4px}
.form-msg{font-size:.9rem;padding:12px 16px;border-radius:10px;display:none}
.form-msg.ok{display:block;background:var(--sky);color:var(--cobalt-deep)}
.form-msg.err{display:block;background:#fdecec;color:#9c2c2c}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#9FB0C9;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid .brand{color:#fff;margin-bottom:14px}
.foot-about{font-size:.92rem;max-width:26em;color:#9FB0C9}
.foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.foot-col a{display:block;font-size:.92rem;margin-bottom:10px;color:#9FB0C9;transition:.2s}
.foot-col a:hover{color:var(--sky)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem}

/* ---------- Cookie banner ---------- */
.cookie{
  position:fixed;left:24px;right:24px;bottom:24px;z-index:80;
  max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);padding:24px;transform:translateY(160%);
  transition:transform .45s cubic-bezier(.16,1,.3,1);
}
.cookie.show{transform:none}
.cookie h4{font-size:1.05rem;margin-bottom:8px}
.cookie p{font-size:.88rem;color:var(--ink-soft);margin-bottom:16px}
.cookie p a{color:var(--cobalt);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-wrap:wrap}
.cookie-actions .btn{padding:11px 20px;font-size:.88rem}

/* ---------- Legal pages ---------- */
.legal{padding:70px 0 90px;background:var(--white);min-height:60vh}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:8px}
.legal .updated{color:var(--aluminum);font-size:.85rem;margin-bottom:36px;font-family:var(--font-display)}
.legal h2{font-size:1.4rem;margin:34px 0 12px;color:var(--ink)}
.legal p,.legal li{color:var(--ink-soft);margin-bottom:12px;font-size:.98rem}
.legal ul{padding-left:22px;margin-bottom:14px}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--cobalt);font-family:var(--font-display);font-weight:600;font-size:.9rem;margin-bottom:30px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.split-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .hero-visual img{height:340px}
  .svc-grid,.price-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .strip-grid{grid-template-columns:1fr 1fr;gap:24px 8px}
  .strip-grid .cell:nth-child(2){border-right:none}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .nav-links,.nav-cta .btn-ghost{display:none}
  .burger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .altitude-tag{left:0}
  section{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}