:root{
  --brand:#FF6B00; --brand-600:#E55F00; --ink:#0B1320;
  --muted:#F7F7F9; --card:#FFFFFF; --line:#E9EAEE;
  --ok:#116149; --focus:3px solid #2228;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--ink); background:#fff; text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased;
}

.container{width:min(1100px,92%);margin-inline:auto}
.section{padding:72px 0}
.section.muted{background:var(--muted)}
.section-title{font-size:clamp(1.6rem,1.1rem + 2vw,2.2rem);line-height:1.2;margin:0 0 8px}
.section-subtitle{margin:0 0 28px;color:#4A5160}

/* Header */
.site-header{position:sticky;top:0;width:100%;z-index:50;background:#fff8;backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid #fff0}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{text-decoration:none;color:inherit;display:flex;align-items:center;gap:10px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo .divider{font-weight:700;color:var(--brand)}
.logo-progest,.logo-ceg{height:24px}
.main-nav ul{display:flex;gap:16px;align-items:center;list-style:none;margin:0;padding:0}
.main-nav a{color:#212938;text-decoration:none;font-weight:600}
.main-nav a:hover{color:var(--brand)}
.nav-toggle{display:none;background:none;border:none;font-size:22px}

/* Hero (amb degradat/overlay quan no hi ha vídeo) */
.hero{position:relative;min-height:78vh;display:grid;align-items:center;color:#fff;isolation:isolate;
  background:linear-gradient(135deg,#101522 0%,#1a2033 40%,#fff 100%);
}
.video-bg{position:absolute;inset:0;z-index:-2;overflow:hidden}
.video-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,#0008 0%,#0006 38%,#0004 60%,#0008 100%),linear-gradient(120deg,var(--brand)20%,transparent 60%);
  z-index:1}
.video-bg video,.video-bg img{width:100%;height:100%;object-fit:cover;display:block}
.hero-inner{padding:96px 0}
.hero h1{font-size:clamp(2rem,1.2rem + 3vw,3rem);margin:0 0 8px}
.lead{font-size:clamp(1.05rem,.9rem + .7vw,1.25rem);max-width:60ch;margin:0 0 18px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.trust ul{display:flex;gap:18px;flex-wrap:wrap;padding:0;margin:22px 0 0;list-style:none}
.trust li{padding:6px 10px;border:1px solid #fff3;border-radius:999px;font-weight:600;font-size:.95rem}

/* Cards & grid */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 18px 16px;
  box-shadow:0 6px 20px #0000000b;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 30px #0000001a;border-color:#00000014}
.card h3{margin:4px 0 6px;font-size:1.1rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;position:relative}
.badge{--s:36px;height:var(--s);width:var(--s);border-radius:999px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:800;position:absolute;top:-14px;left:-14px;box-shadow:0 6px 20px #FF6B0030}

/* Casos */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.case{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.case blockquote{margin:0 0 10px;font-style:italic}

/* CTA / Form */
.cta-section{background:linear-gradient(180deg,#FFF 0,#FFF6F0 100%)}
.cta-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 50px #FF6B0014;padding:24px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-grid .full{grid-column:1/-1}
label{display:grid;gap:6px;font-weight:600}
input,textarea{border:1px solid #D9DCE3;border-radius:12px;padding:12px 12px;font:inherit;background:#fff}
input:focus,textarea:focus{outline:var(--focus);border-color:#2226}
.check{display:flex;align-items:center;gap:10px;font-weight:500}
.small{font-size:.9rem;color:#5A6170}
#form-msg{margin-top:10px;color:var(--ok)}

/* Botons */
.btn{--pad:12px 16px;display:inline-flex;align-items:center;gap:8px;padding:var(--pad);text-decoration:none;border-radius:999px;
  font-weight:700;cursor:pointer;border:1px solid transparent}
.btn-solid{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-solid:hover{background:var(--brand-600);border-color:var(--brand-600)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:#FFF3EB}
.btn-ghost{background:#fff;color:#111;border-color:#0000}
.btn-ghost:hover{background:#fff8}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:30px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-legal{color:#5A6170}

/* Navegació mòbil */
@media (max-width:860px){
  .grid-6{grid-template-columns:1fr 1fr}
  .steps,.cases{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .main-nav ul{
    position:absolute;right:4%;top:66px;background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:10px;display:none;flex-direction:column;gap:8px;width:min(260px,92%);box-shadow:0 16px 40px #0000001c
  }
  .main-nav ul.open{display:flex}
}

/* A11y + animacions */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:12px;top:12px;width:auto;height:auto;background:#fff;padding:8px 10px;border-radius:10px;border:1px solid var(--line)}
.reveal{opacity:0;transform:translateY(10px);transition:opacity .5s,transform .5s}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}
/* ===== Assistent flotant ===== */
.asst-fab{position:fixed;right:18px;bottom:18px;z-index:60}
.asst{
  position:fixed;right:18px;bottom:84px;width:min(380px,92vw);max-height:72vh;
  background:#fff;border:1px solid #e7e7e7;border-radius:16px;box-shadow:0 12px 32px rgba(0,0,0,.12);
  display:flex;flex-direction:column;overflow:hidden;z-index:60
}
.asst[hidden]{display:none}
.asst-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.8rem 1rem;font-weight:700;border-bottom:1px solid #eee;background:#fff}
.asst-close{background:transparent;border:0;font-size:20px;line-height:1;cursor:pointer;padding:.2rem .4rem;border-radius:10px}
.asst-close:hover{background:#f3f3f3}
.asst-body{padding:1rem;overflow:auto;display:flex;flex-direction:column;gap:.5rem;border-top:1px solid #f6f6f6}
.msg{padding:.6rem .8rem;border-radius:12px;max-width:85%}
.msg.user{align-self:flex-end;background:#eef2ff}
.msg.bot{align-self:flex-start;background:#f5f5f5}
.asst-form{display:flex;gap:.5rem;padding:.8rem;border-top:1px solid #eee;background:#fff}
.asst-form input{flex:1;padding:.7rem .9rem;border:1px solid #ddd;border-radius:12px;font:inherit}