/* ====== Variables y base ====== */
:root{
  --bg:#0B1517; --ink:#E7EFED; --muted:#9FB3C8; --teal:#16C7B3;
  --card:#0F1E21; --maxw:1100px; --line:#182428; --error:#ff6b6b; --ok:#28c76f;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:var(--teal); text-decoration:none}
a:hover{opacity:.9}

/* ====== Layout ====== */
.container{max-width:var(--maxw); margin:auto; padding:0 20px}
header{position:sticky; top:0; z-index:10; backdrop-filter:saturate(120%) blur(6px)}
.nav{
  display:flex; align-items:center; gap:18px; padding:14px 20px;
  border-bottom:1px solid rgba(255,255,255,.06);
  background:linear-gradient(to bottom, rgba(11,21,23,.85), rgba(11,21,23,.55));
}
.brand{font-weight:800; letter-spacing:.4px}


.nav { flex-wrap: nowrap; }
.nav-links{
  margin-left:auto; flex:1 1 auto; display:flex; gap:16px; min-width:0;
  overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{ display:none }
.nav-links a{ white-space:nowrap; font-size:14px }
.lang{ margin-left:auto; flex:0 0 auto }
select{
  background:#0f1f22; color:#e7efed; border:1px solid rgba(255,255,255,.12);
  border-radius:10px; padding:6px 10px
}

/* ====== Hero ====== */
.hero{display:grid; place-items:center; text-align:center; padding:72px 0 40px}
.hero h1{margin:18px 0 8px; font-size:clamp(28px,3.6vw,44px); line-height:1.15; font-weight:800}
.hero p{margin:0 auto 8px; max-width:780px; color:var(--muted)}
.dots{letter-spacing:.5em; color:var(--muted); font-weight:700; margin-top:10px}
.hero-img{max-width:780px; width:100%; height:auto; display:block; margin:auto}

/* ====== Secciones ====== */
.section{padding:26px 0}
.grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; margin:36px 0 72px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.card{
  background:var(--card); border:1px solid rgba(255,255,255,.06);
  border-radius:14px; padding:22px; min-height:180px
}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0; color:var(--muted)}

/* ====== KPIs ====== */
.kpis{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin-top:12px}
.k{background:#0c2225; border:1px solid rgba(255,255,255,.06); border-radius:12px; padding:14px}
.k strong{display:block; font-size:20px}

/* ====== Casos ====== */
.cases{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px}
@media (max-width:900px){.cases{grid-template-columns:1fr}}
.case{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:14px; padding:18px}
.case h4{margin:0 0 6px}
.badge{
  display:inline-block; font-size:12px; padding:4px 8px;
  border:1px solid rgba(255,255,255,.12); border-radius:999px; color:var(--muted)
}

/* ====== Formulario ====== */
form{display:grid; grid-template-columns:1fr 1fr; gap:12px}
form .full{grid-column:1/-1}
label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px}
input,textarea{
  width:100%; background:#0f1f22; color:#e7efed; border:1px solid rgba(255,255,255,.12);
  border-radius:10px; padding:10px 12px
}
textarea{min-height:120px; resize:vertical}
.actions{display:flex; gap:12px; margin-top:8px}
button{
  background:var(--teal); border:0; color:#042826; font-weight:800;
  padding:12px 16px; border-radius:12px; cursor:pointer
}
button.secondary{background:#113b40; color:#a8d9d2}
.note{color:var(--muted); font-size:13px; margin-top:8px}
.toast{margin-top:10px; font-size:14px}
.ok{color:var(--ok)} .err{color:var(--error)}

/* ====== Footer ====== */
footer{border-top:1px solid rgba(255,255,255,.06); color:var(--muted)}
.footer-wrap{max-width:var(--maxw); margin:auto; padding:26px 20px}

/* ====== Mobile polish ====== */
@media (max-width: 640px){
  .nav{ row-gap:8px }
  .nav-links{ gap:14px }
  .hero{ padding:48px 0 28px }
  .grid, .cases{ grid-template-columns:1fr; gap:14px; margin:24px 0 48px }
  form{ grid-template-columns:1fr }
  .actions{ flex-direction:column }
  .actions button{ width:100% }
}

/* Accesibilidad / reduce motion */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important }
}

/* Utilidades */
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
hr.sep{border:0;border-top:1px solid var(--line);margin:0}


.nav{ position: relative; }
.nav-links{ padding-right: 88px; }
.lang{
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}

.lang select{
  appearance: none;
  background: #0f1f22;
  color: #e7efed;
  border: 2px solid var(--teal);
  border-radius: 999px;
  padding: 8px 28px 8px 12px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 0 0 2px rgba(22,199,179,.15);
}

.lang::after{
  content: "▾";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--teal);
  font-size: 12px;
}


@media (max-width: 640px){
  .nav-links{ gap: 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .nav-links a{ white-space: nowrap; padding: 8px 0; }
}


html[data-lang="es"] .nav-links,
html[data-lang="de"] .nav-links{
  padding-right: 140px;     /* antes 88px */
}


@media (max-width: 480px){
  .nav-links{ gap: 10px; }
  .nav-links a{ font-size: 13px; }
  .lang{ right: 10px; }     /* ajusta pill más al borde */
  .lang select{ padding: 6px 24px 6px 10px; font-size: 13px; }
}

.footer-wrap{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.legal-links a{color:var(--muted)}
.legal-links a:hover{color:var(--ink)}

/* Tagline bajo el H1 */
.tagline{
  margin: 6px 0 8px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
  opacity: .9;
  font-size: clamp(14px, 2vw, 18px);
}


@media (max-width: 640px){
  .tagline{
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
  }
}